/root/.sdkman/candidates/java/current/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP --traceabstraction.additional.conditional.commutativity.checking IA --traceabstraction.criterion.for.conditional.commutativity.checking RANDOM --traceabstraction.probability.for.random.criterion 20 --traceabstraction.seed.for.random.criterion 213 -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/ldv-linux-3.14-races/linux-3.14--drivers--usb--misc--adutux.ko.cil.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.conditional-comm-3774817-m [2024-04-04 11:51:11,504 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-04-04 11:51:11,566 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2024-04-04 11:51:11,572 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-04-04 11:51:11,572 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-04-04 11:51:11,601 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-04-04 11:51:11,601 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-04-04 11:51:11,601 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-04-04 11:51:11,602 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-04-04 11:51:11,605 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-04-04 11:51:11,605 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-04-04 11:51:11,605 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-04-04 11:51:11,606 INFO L153 SettingsManager]: * Use SBE=true [2024-04-04 11:51:11,607 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-04-04 11:51:11,607 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-04-04 11:51:11,607 INFO L153 SettingsManager]: * sizeof long=4 [2024-04-04 11:51:11,607 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-04-04 11:51:11,608 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-04-04 11:51:11,608 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-04-04 11:51:11,608 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-04-04 11:51:11,608 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-04-04 11:51:11,608 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-04-04 11:51:11,608 INFO L153 SettingsManager]: * sizeof long double=12 [2024-04-04 11:51:11,609 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-04-04 11:51:11,609 INFO L153 SettingsManager]: * Use constant arrays=true [2024-04-04 11:51:11,609 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-04-04 11:51:11,609 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-04-04 11:51:11,609 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-04-04 11:51:11,609 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-04-04 11:51:11,610 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-04-04 11:51:11,611 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-04-04 11:51:11,611 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-04-04 11:51:11,611 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-04-04 11:51:11,611 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-04-04 11:51:11,611 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2024-04-04 11:51:11,621 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-04-04 11:51:11,621 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-04-04 11:51:11,621 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-04-04 11:51:11,621 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-04-04 11:51:11,621 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> IA Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> RANDOM Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: probability for random criterion as percentage -> 20 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: seed for random criterion -> 213 [2024-04-04 11:51:11,840 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-04-04 11:51:11,862 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-04-04 11:51:11,864 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-04-04 11:51:11,865 INFO L270 PluginConnector]: Initializing CDTParser... [2024-04-04 11:51:11,865 INFO L274 PluginConnector]: CDTParser initialized [2024-04-04 11:51:11,866 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/ldv-linux-3.14-races/linux-3.14--drivers--usb--misc--adutux.ko.cil.i [2024-04-04 11:51:12,938 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-04-04 11:51:13,295 INFO L384 CDTParser]: Found 1 translation units. [2024-04-04 11:51:13,295 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 [2024-04-04 11:51:13,330 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/f9a2314c4/86b7cb8998e54b05bfa1f856ac8d3790/FLAG950e7f1a1 [2024-04-04 11:51:13,351 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/f9a2314c4/86b7cb8998e54b05bfa1f856ac8d3790 [2024-04-04 11:51:13,353 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-04-04 11:51:13,355 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-04-04 11:51:13,357 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-04-04 11:51:13,357 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-04-04 11:51:13,361 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-04-04 11:51:13,361 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.04 11:51:13" (1/1) ... [2024-04-04 11:51:13,362 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34c4f791 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 11:51:13, skipping insertion in model container [2024-04-04 11:51:13,362 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.04 11:51:13" (1/1) ... [2024-04-04 11:51:13,456 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-04-04 11:51:14,562 WARN L240 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] [2024-04-04 11:51:14,681 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-04-04 11:51:14,716 INFO L202 MainTranslator]: Completed pre-run [2024-04-04 11:51:14,822 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("bt %2,%1\n\tsbb %0,%0": "=r" (oldbit): "m" (*((unsigned long *)addr)), "Ir" (nr)); [3628-3629] [2024-04-04 11:51:14,826 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& current_task)); [3662] [2024-04-04 11:51:14,826 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [3665] [2024-04-04 11:51:14,826 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [3668] [2024-04-04 11:51:14,826 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [3671] [2024-04-04 11:51:14,859 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %b0, %1\n": "+q" (__ret), "+m" (tmp___12->state): : "memory", "cc"); [4769-4770] [2024-04-04 11:51:14,860 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %w0, %1\n": "+r" (__ret), "+m" (tmp___13->state): : "memory", "cc"); [4776-4777] [2024-04-04 11:51:14,860 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0, %1\n": "+r" (__ret), "+m" (tmp___14->state): : "memory", "cc"); [4783-4784] [2024-04-04 11:51:14,860 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %q0, %1\n": "+r" (__ret), "+m" (tmp___15->state): : "memory", "cc"); [4790-4791] [2024-04-04 11:51:14,860 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %b0, %1\n": "+q" (__ret___0), "+m" (tmp___17->state): : "memory", "cc"); [4837-4838] [2024-04-04 11:51:14,861 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %w0, %1\n": "+r" (__ret___0), "+m" (tmp___18->state): : "memory", "cc"); [4844-4845] [2024-04-04 11:51:14,861 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0, %1\n": "+r" (__ret___0), "+m" (tmp___19->state): : "memory", "cc"); [4851-4852] [2024-04-04 11:51:14,861 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %q0, %1\n": "+r" (__ret___0), "+m" (tmp___20->state): : "memory", "cc"); [4858-4859] [2024-04-04 11:51:14,875 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %b0, %1\n": "+q" (__ret), "+m" (tmp___1->state): : "memory", "cc"); [5071-5072] [2024-04-04 11:51:14,875 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %w0, %1\n": "+r" (__ret), "+m" (tmp___2->state): : "memory", "cc"); [5078-5079] [2024-04-04 11:51:14,875 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0, %1\n": "+r" (__ret), "+m" (tmp___3->state): : "memory", "cc"); [5085-5086] [2024-04-04 11:51:14,875 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %q0, %1\n": "+r" (__ret), "+m" (tmp___4->state): : "memory", "cc"); [5092-5093] [2024-04-04 11:51:14,878 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %b0, %1\n": "+q" (__ret___0), "+m" (tmp___6->state): : "memory", "cc"); [5152-5153] [2024-04-04 11:51:14,878 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %w0, %1\n": "+r" (__ret___0), "+m" (tmp___7->state): : "memory", "cc"); [5159-5160] [2024-04-04 11:51:14,878 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0, %1\n": "+r" (__ret___0), "+m" (tmp___8->state): : "memory", "cc"); [5166-5167] [2024-04-04 11:51:14,878 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %q0, %1\n": "+r" (__ret___0), "+m" (tmp___9->state): : "memory", "cc"); [5173-5174] [2024-04-04 11:51:14,881 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %b0, %1\n": "+q" (__ret___1), "+m" (tmp___15->state): : "memory", "cc"); [5263-5264] [2024-04-04 11:51:14,881 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %w0, %1\n": "+r" (__ret___1), "+m" (tmp___16->state): : "memory", "cc"); [5270-5271] [2024-04-04 11:51:14,882 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0, %1\n": "+r" (__ret___1), "+m" (tmp___17->state): : "memory", "cc"); [5277-5278] [2024-04-04 11:51:14,882 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %q0, %1\n": "+r" (__ret___1), "+m" (tmp___18->state): : "memory", "cc"); [5284-5285] [2024-04-04 11:51:14,926 WARN L240 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] [2024-04-04 11:51:14,935 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-04-04 11:51:14,975 WARN L675 CHandler]: The function __xchg_wrong_size is called, but not defined or handled by StandardFunctionHandler. [2024-04-04 11:51:14,975 WARN L675 CHandler]: The function __bad_percpu_size is called, but not defined or handled by StandardFunctionHandler. [2024-04-04 11:51:14,981 INFO L206 MainTranslator]: Completed translation [2024-04-04 11:51:14,981 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 11:51:14 WrapperNode [2024-04-04 11:51:14,981 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-04-04 11:51:14,982 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-04-04 11:51:14,983 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-04-04 11:51:14,983 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-04-04 11:51:14,988 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 11:51:14" (1/1) ... [2024-04-04 11:51:15,060 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 11:51:14" (1/1) ... [2024-04-04 11:51:15,246 INFO L138 Inliner]: procedures = 287, calls = 1760, calls flagged for inlining = 461, calls inlined = 521, statements flattened = 6390 [2024-04-04 11:51:15,246 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-04-04 11:51:15,246 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-04-04 11:51:15,247 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-04-04 11:51:15,247 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-04-04 11:51:15,254 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 11:51:14" (1/1) ... [2024-04-04 11:51:15,255 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 11:51:14" (1/1) ... [2024-04-04 11:51:15,288 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 11:51:14" (1/1) ... [2024-04-04 11:51:15,288 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 11:51:14" (1/1) ... [2024-04-04 11:51:15,356 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 11:51:14" (1/1) ... [2024-04-04 11:51:15,386 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 11:51:14" (1/1) ... [2024-04-04 11:51:15,404 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 11:51:14" (1/1) ... [2024-04-04 11:51:15,420 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 11:51:14" (1/1) ... [2024-04-04 11:51:15,448 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-04-04 11:51:15,449 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-04-04 11:51:15,449 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-04-04 11:51:15,450 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-04-04 11:51:15,451 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 11:51:14" (1/1) ... [2024-04-04 11:51:15,456 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-04-04 11:51:15,463 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 11:51:15,475 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-04-04 11:51:15,478 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-04-04 11:51:15,515 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2024-04-04 11:51:15,515 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_insmod_4 [2024-04-04 11:51:15,515 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_insmod_4 [2024-04-04 11:51:15,515 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-04-04 11:51:15,516 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_scenario_3 [2024-04-04 11:51:15,516 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_scenario_3 [2024-04-04 11:51:15,516 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-04-04 11:51:15,516 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-04-04 11:51:15,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-04-04 11:51:15,516 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-04-04 11:51:15,516 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-04-04 11:51:15,517 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-04-04 11:51:15,517 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-04-04 11:51:15,517 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-04-04 11:51:15,517 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-04-04 11:51:15,517 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-04-04 11:51:15,517 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2024-04-04 11:51:15,517 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_character_driver_scenario_2 [2024-04-04 11:51:15,517 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_character_driver_scenario_2 [2024-04-04 11:51:15,517 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-04-04 11:51:15,517 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-04-04 11:51:15,517 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-04-04 11:51:15,521 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-04-04 11:51:15,985 INFO L241 CfgBuilder]: Building ICFG [2024-04-04 11:51:15,987 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-04-04 11:51:19,541 INFO L282 CfgBuilder]: Performing block encoding [2024-04-04 11:51:19,602 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-04-04 11:51:19,602 INFO L309 CfgBuilder]: Removed 29 assume(true) statements. [2024-04-04 11:51:19,606 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.04 11:51:19 BoogieIcfgContainer [2024-04-04 11:51:19,606 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-04-04 11:51:19,607 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-04-04 11:51:19,608 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-04-04 11:51:19,610 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-04-04 11:51:19,610 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.04 11:51:13" (1/3) ... [2024-04-04 11:51:19,610 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@cf40657 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.04 11:51:19, skipping insertion in model container [2024-04-04 11:51:19,611 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 11:51:14" (2/3) ... [2024-04-04 11:51:19,611 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@cf40657 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.04 11:51:19, skipping insertion in model container [2024-04-04 11:51:19,611 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.04 11:51:19" (3/3) ... [2024-04-04 11:51:19,612 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14--drivers--usb--misc--adutux.ko.cil.i [2024-04-04 11:51:19,618 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-04-04 11:51:19,625 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-04-04 11:51:19,625 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-04-04 11:51:19,625 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-04-04 11:51:20,655 INFO L144 ThreadInstanceAdder]: Constructed 9 joinOtherThreadTransitions. [2024-04-04 11:51:20,733 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-04-04 11:51:20,734 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-04-04 11:51:20,734 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 11:51:20,736 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-04-04 11:51:20,743 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-04-04 11:51:20,774 INFO L184 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-04-04 11:51:20,784 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 11:51:20,786 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-04-04 11:51:20,792 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=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;@60549ba4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=IA, mConComCheckerCriterion=RANDOM, mConComCheckerLimitedChecksCriterion=false, mConComCheckerCriterionLimit=1, mConComCheckerRandomProb=20, mConComCheckerRandomSeed=213 [2024-04-04 11:51:20,792 INFO L358 AbstractCegarLoop]: Starting to check reachability of 7 error locations.