/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf -tc ../../../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 0.2.3-wip.dk.dpor-99e0210 [2023-03-23 19:25:56,927 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-03-23 19:25:56,929 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-03-23 19:25:56,951 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-03-23 19:25:56,951 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-03-23 19:25:56,952 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-03-23 19:25:56,957 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-03-23 19:25:56,959 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-03-23 19:25:56,961 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-03-23 19:25:56,965 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-03-23 19:25:56,966 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-03-23 19:25:56,967 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-03-23 19:25:56,967 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-03-23 19:25:56,971 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-03-23 19:25:56,971 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-03-23 19:25:56,972 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-03-23 19:25:56,973 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-03-23 19:25:56,973 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-03-23 19:25:56,975 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-03-23 19:25:56,979 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-03-23 19:25:56,980 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-03-23 19:25:56,981 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-03-23 19:25:56,982 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-03-23 19:25:56,983 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-03-23 19:25:56,990 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2023-03-23 19:25:56,996 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-03-23 19:25:56,997 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-03-23 19:25:56,997 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-03-23 19:25:56,998 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2023-03-23 19:25:57,026 INFO L113 SettingsManager]: Loading preferences was successful [2023-03-23 19:25:57,026 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-03-23 19:25:57,026 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-03-23 19:25:57,026 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-03-23 19:25:57,027 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-03-23 19:25:57,028 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-03-23 19:25:57,028 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-03-23 19:25:57,028 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-03-23 19:25:57,028 INFO L138 SettingsManager]: * Use SBE=true [2023-03-23 19:25:57,028 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-03-23 19:25:57,029 INFO L138 SettingsManager]: * sizeof long=4 [2023-03-23 19:25:57,029 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-03-23 19:25:57,029 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-03-23 19:25:57,029 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-03-23 19:25:57,029 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-03-23 19:25:57,029 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-03-23 19:25:57,030 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-03-23 19:25:57,030 INFO L138 SettingsManager]: * sizeof long double=12 [2023-03-23 19:25:57,030 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-03-23 19:25:57,030 INFO L138 SettingsManager]: * Use constant arrays=true [2023-03-23 19:25:57,030 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-03-23 19:25:57,030 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-03-23 19:25:57,030 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-03-23 19:25:57,030 INFO L138 SettingsManager]: * To the following directory=./dump/ [2023-03-23 19:25:57,030 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-03-23 19:25:57,030 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-23 19:25:57,030 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-03-23 19:25:57,030 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-03-23 19:25:57,031 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-03-23 19:25:57,031 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-03-23 19:25:57,031 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-03-23 19:25:57,031 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-03-23 19:25:57,031 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-03-23 19:25:57,031 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-03-23 19:25:57,031 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-03-23 19:25:57,031 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2023-03-23 19:25:57,031 INFO L138 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/UAutomizer-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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-03-23 19:25:57,226 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-03-23 19:25:57,238 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-03-23 19:25:57,240 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-03-23 19:25:57,240 INFO L271 PluginConnector]: Initializing CDTParser... [2023-03-23 19:25:57,241 INFO L275 PluginConnector]: CDTParser initialized [2023-03-23 19:25:57,241 INFO L432 ainManager$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 [2023-03-23 19:25:58,314 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-03-23 19:25:58,635 INFO L351 CDTParser]: Found 1 translation units. [2023-03-23 19:25:58,635 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.14-races/linux-3.14--drivers--usb--misc--adutux.ko.cil.i [2023-03-23 19:25:58,657 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/32fa190f8/c9f2cd75a29c4162a29c735b21164ddc/FLAGac992d198 [2023-03-23 19:25:58,671 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/32fa190f8/c9f2cd75a29c4162a29c735b21164ddc [2023-03-23 19:25:58,673 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-03-23 19:25:58,675 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2023-03-23 19:25:58,676 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-03-23 19:25:58,676 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-03-23 19:25:58,678 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-03-23 19:25:58,679 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.03 07:25:58" (1/1) ... [2023-03-23 19:25:58,679 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c79035c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 07:25:58, skipping insertion in model container [2023-03-23 19:25:58,680 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.03 07:25:58" (1/1) ... [2023-03-23 19:25:58,685 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-03-23 19:25:58,750 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-03-23 19:25:59,693 WARN L247 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] [2023-03-23 19:25:59,866 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-23 19:25:59,901 INFO L203 MainTranslator]: Completed pre-run [2023-03-23 19:26:00,091 WARN L247 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] [2023-03-23 19:26:00,099 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-23 19:26:00,153 WARN L667 CHandler]: The function __xchg_wrong_size is called, but not defined or handled by StandardFunctionHandler. [2023-03-23 19:26:00,153 WARN L667 CHandler]: The function __bad_percpu_size is called, but not defined or handled by StandardFunctionHandler. [2023-03-23 19:26:00,158 INFO L208 MainTranslator]: Completed translation [2023-03-23 19:26:00,158 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 07:26:00 WrapperNode [2023-03-23 19:26:00,158 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-03-23 19:26:00,159 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-03-23 19:26:00,159 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-03-23 19:26:00,159 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-03-23 19:26:00,164 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 07:26:00" (1/1) ... [2023-03-23 19:26:00,230 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 07:26:00" (1/1) ... [2023-03-23 19:26:00,398 INFO L138 Inliner]: procedures = 286, calls = 1747, calls flagged for inlining = 461, calls inlined = 521, statements flattened = 6251 [2023-03-23 19:26:00,398 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-03-23 19:26:00,399 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-03-23 19:26:00,399 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-03-23 19:26:00,399 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-03-23 19:26:00,406 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 07:26:00" (1/1) ... [2023-03-23 19:26:00,406 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 07:26:00" (1/1) ... [2023-03-23 19:26:00,431 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 07:26:00" (1/1) ... [2023-03-23 19:26:00,432 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 07:26:00" (1/1) ... [2023-03-23 19:26:00,503 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 07:26:00" (1/1) ... [2023-03-23 19:26:00,523 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 07:26:00" (1/1) ... [2023-03-23 19:26:00,544 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 07:26:00" (1/1) ... [2023-03-23 19:26:00,561 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 07:26:00" (1/1) ... [2023-03-23 19:26:00,585 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-03-23 19:26:00,587 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-03-23 19:26:00,588 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-03-23 19:26:00,588 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-03-23 19:26:00,588 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 07:26:00" (1/1) ... [2023-03-23 19:26:00,592 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-23 19:26:00,599 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-23 19:26:00,613 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) [2023-03-23 19:26:00,637 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 [2023-03-23 19:26:00,662 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2023-03-23 19:26:00,662 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_insmod_4 [2023-03-23 19:26:00,662 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_insmod_4 [2023-03-23 19:26:00,662 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-03-23 19:26:00,662 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_scenario_3 [2023-03-23 19:26:00,662 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_scenario_3 [2023-03-23 19:26:00,662 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-03-23 19:26:00,662 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-03-23 19:26:00,662 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-03-23 19:26:00,663 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-03-23 19:26:00,663 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-03-23 19:26:00,663 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-03-23 19:26:00,663 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-03-23 19:26:00,663 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-03-23 19:26:00,663 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-03-23 19:26:00,664 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2023-03-23 19:26:00,664 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_character_driver_scenario_2 [2023-03-23 19:26:00,664 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_character_driver_scenario_2 [2023-03-23 19:26:00,664 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-03-23 19:26:00,664 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-03-23 19:26:00,664 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-03-23 19:26:00,667 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-03-23 19:26:01,158 INFO L236 CfgBuilder]: Building ICFG [2023-03-23 19:26:01,160 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-03-23 19:26:04,647 INFO L277 CfgBuilder]: Performing block encoding [2023-03-23 19:26:04,669 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-03-23 19:26:04,669 INFO L302 CfgBuilder]: Removed 29 assume(true) statements. [2023-03-23 19:26:04,674 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.03 07:26:04 BoogieIcfgContainer [2023-03-23 19:26:04,675 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-03-23 19:26:04,676 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-03-23 19:26:04,676 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-03-23 19:26:04,678 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-03-23 19:26:04,678 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.03 07:25:58" (1/3) ... [2023-03-23 19:26:04,679 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e294337 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.03 07:26:04, skipping insertion in model container [2023-03-23 19:26:04,679 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.03 07:26:00" (2/3) ... [2023-03-23 19:26:04,679 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e294337 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.03 07:26:04, skipping insertion in model container [2023-03-23 19:26:04,679 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.03 07:26:04" (3/3) ... [2023-03-23 19:26:04,680 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14--drivers--usb--misc--adutux.ko.cil.i [2023-03-23 19:26:04,685 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-03-23 19:26:04,692 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-03-23 19:26:04,692 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-03-23 19:26:04,692 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-03-23 19:26:05,548 INFO L144 ThreadInstanceAdder]: Constructed 9 joinOtherThreadTransitions. [2023-03-23 19:26:05,636 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-03-23 19:26:05,637 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-03-23 19:26:05,637 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-23 19:26:05,639 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) [2023-03-23 19:26:05,651 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 [2023-03-23 19:26:05,674 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-03-23 19:26:05,694 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ldv_character_driver_scenario_2Thread1of1ForFork2 ======== [2023-03-23 19:26:05,699 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=LoopsAndPotentialCycles, 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;@49767e51, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-03-23 19:26:05,700 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. Received shutdown request... [2023-03-23 19:35:28,302 WARN L619 AbstractCegarLoop]: Verification canceled: while executing DepthFirstTraversal. [2023-03-23 19:35:28,304 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ldv_character_driver_scenario_2Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-03-23 19:35:28,306 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-03-23 19:35:28,322 INFO L445 BasicCegarLoop]: Path program histogram: [] [2023-03-23 19:35:28,323 INFO L307 ceAbstractionStarter]: Result for error location ldv_character_driver_scenario_2Thread1of1ForFork2 was TIMEOUT (1/3) [2023-03-23 19:35:28,324 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-03-23 19:35:28,325 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-03-23 19:35:28,326 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.03 07:35:28 BasicIcfg [2023-03-23 19:35:28,326 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-03-23 19:35:28,327 INFO L158 Benchmark]: Toolchain (without parser) took 569652.20ms. Allocated memory was 349.2MB in the beginning and 2.9GB in the end (delta: 2.6GB). Free memory was 281.3MB in the beginning and 1.8GB in the end (delta: -1.5GB). Peak memory consumption was 2.5GB. Max. memory is 8.0GB. [2023-03-23 19:35:28,327 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 183.5MB. Free memory is still 132.4MB. There was no memory consumed. Max. memory is 8.0GB. [2023-03-23 19:35:28,327 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1482.91ms. Allocated memory is still 349.2MB. Free memory was 281.0MB in the beginning and 202.8MB in the end (delta: 78.2MB). Peak memory consumption was 79.3MB. Max. memory is 8.0GB. [2023-03-23 19:35:28,327 INFO L158 Benchmark]: Boogie Procedure Inliner took 239.08ms. Allocated memory is still 349.2MB. Free memory was 202.8MB in the beginning and 284.2MB in the end (delta: -81.4MB). Peak memory consumption was 27.7MB. Max. memory is 8.0GB. [2023-03-23 19:35:28,328 INFO L158 Benchmark]: Boogie Preprocessor took 187.13ms. Allocated memory is still 349.2MB. Free memory was 284.2MB in the beginning and 257.5MB in the end (delta: 26.7MB). Peak memory consumption was 26.2MB. Max. memory is 8.0GB. [2023-03-23 19:35:28,328 INFO L158 Benchmark]: RCFGBuilder took 4087.15ms. Allocated memory was 349.2MB in the beginning and 617.6MB in the end (delta: 268.4MB). Free memory was 257.0MB in the beginning and 497.3MB in the end (delta: -240.4MB). Peak memory consumption was 187.5MB. Max. memory is 8.0GB. [2023-03-23 19:35:28,330 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 [2023-03-23 19:35:28,330 INFO L158 Benchmark]: TraceAbstraction took 563650.39ms. Allocated memory was 617.6MB in the beginning and 2.9GB in the end (delta: 2.3GB). Free memory was 496.3MB in the beginning and 1.8GB in the end (delta: -1.3GB). Peak memory consumption was 2.4GB. Max. memory is 8.0GB. [2023-03-23 19:35:28,339 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 183.5MB. Free memory is still 132.4MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 1482.91ms. Allocated memory is still 349.2MB. Free memory was 281.0MB in the beginning and 202.8MB in the end (delta: 78.2MB). Peak memory consumption was 79.3MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 239.08ms. Allocated memory is still 349.2MB. Free memory was 202.8MB in the beginning and 284.2MB in the end (delta: -81.4MB). Peak memory consumption was 27.7MB. Max. memory is 8.0GB. * Boogie Preprocessor took 187.13ms. Allocated memory is still 349.2MB. Free memory was 284.2MB in the beginning and 257.5MB in the end (delta: 26.7MB). Peak memory consumption was 26.2MB. Max. memory is 8.0GB. * RCFGBuilder took 4087.15ms. Allocated memory was 349.2MB in the beginning and 617.6MB in the end (delta: 268.4MB). Free memory was 257.0MB in the beginning and 497.3MB in the end (delta: -240.4MB). Peak memory consumption was 187.5MB. Max. memory is 8.0GB. * TraceAbstraction took 563650.39ms. Allocated memory was 617.6MB in the beginning and 2.9GB in the end (delta: 2.3GB). Free memory was 496.3MB in the beginning and 1.8GB in the end (delta: -1.3GB). Peak memory consumption was 2.4GB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 26287053, independent: 26277059, independent conditional: 81639, independent unconditional: 26195420, dependent: 9482, dependent conditional: 7203, dependent unconditional: 2279, unknown: 512, unknown conditional: 127, unknown unconditional: 385] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 26280612, independent: 26277059, independent conditional: 81639, independent unconditional: 26195420, dependent: 3041, dependent conditional: 762, dependent unconditional: 2279, unknown: 512, unknown conditional: 127, unknown unconditional: 385] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 26280612, independent: 26277059, independent conditional: 81639, independent unconditional: 26195420, dependent: 3041, dependent conditional: 762, dependent unconditional: 2279, unknown: 512, unknown conditional: 127, unknown unconditional: 385] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 26280612, independent: 26277059, independent conditional: 0, independent unconditional: 26277059, dependent: 3041, dependent conditional: 0, dependent unconditional: 3041, unknown: 512, unknown conditional: 0, unknown unconditional: 512] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 26280612, independent: 26277059, independent conditional: 0, independent unconditional: 26277059, dependent: 3041, dependent conditional: 0, dependent unconditional: 3041, unknown: 512, unknown conditional: 0, unknown unconditional: 512] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 26280612, independent: 26277059, independent conditional: 0, independent unconditional: 26277059, dependent: 3041, dependent conditional: 0, dependent unconditional: 3041, unknown: 512, unknown conditional: 0, unknown unconditional: 512] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 8398708, independent: 8396044, independent conditional: 0, independent unconditional: 8396044, dependent: 2279, dependent conditional: 0, dependent unconditional: 2279, unknown: 385, unknown conditional: 0, unknown unconditional: 385] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 8398708, independent: 8394704, independent conditional: 0, independent unconditional: 8394704, dependent: 4004, dependent conditional: 0, dependent unconditional: 4004, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 4004, independent: 1340, independent conditional: 0, independent unconditional: 1340, dependent: 2279, dependent conditional: 0, dependent unconditional: 2279, unknown: 385, unknown conditional: 0, unknown unconditional: 385] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 4004, independent: 1340, independent conditional: 0, independent unconditional: 1340, dependent: 2279, dependent conditional: 0, dependent unconditional: 2279, unknown: 385, unknown conditional: 0, unknown unconditional: 385] , SemanticIndependenceRelation.Query Time [ms]: [ total: 509082, independent: 1818, independent conditional: 0, independent unconditional: 1818, dependent: 107312, dependent conditional: 0, dependent unconditional: 107312, unknown: 399952, unknown conditional: 0, unknown unconditional: 399952] , Protected Queries: 0 ], Cache Queries: [ total: 26280612, independent: 17881015, independent conditional: 0, independent unconditional: 17881015, dependent: 762, dependent conditional: 0, dependent unconditional: 762, unknown: 8398835, unknown conditional: 0, unknown unconditional: 8398835] , Statistics on independence cache: Total cache size (in pairs): 8398323, Positive cache size: 8396044, Positive conditional cache size: 0, Positive unconditional cache size: 8396044, Negative cache size: 2279, Negative conditional cache size: 0, Negative unconditional cache size: 2279, Unknown cache size: 385, Unknown conditional cache size: 0, Unknown unconditional cache size: 385, Eliminated conditions: 0, Maximal queried relation: 0, Independence queries for same thread: 6441 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 550.3s, Number of persistent set computation: 74652, Number of trivial persistent sets: 44574, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 26198084, independent: 26195420, independent conditional: 0, independent unconditional: 26195420, dependent: 2279, dependent conditional: 0, dependent unconditional: 2279, unknown: 385, unknown conditional: 0, unknown unconditional: 385] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 26287053, independent: 26277059, independent conditional: 81639, independent unconditional: 26195420, dependent: 9482, dependent conditional: 7203, dependent unconditional: 2279, unknown: 512, unknown conditional: 127, unknown unconditional: 385] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 26280612, independent: 26277059, independent conditional: 81639, independent unconditional: 26195420, dependent: 3041, dependent conditional: 762, dependent unconditional: 2279, unknown: 512, unknown conditional: 127, unknown unconditional: 385] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 26280612, independent: 26277059, independent conditional: 81639, independent unconditional: 26195420, dependent: 3041, dependent conditional: 762, dependent unconditional: 2279, unknown: 512, unknown conditional: 127, unknown unconditional: 385] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 26280612, independent: 26277059, independent conditional: 0, independent unconditional: 26277059, dependent: 3041, dependent conditional: 0, dependent unconditional: 3041, unknown: 512, unknown conditional: 0, unknown unconditional: 512] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 26280612, independent: 26277059, independent conditional: 0, independent unconditional: 26277059, dependent: 3041, dependent conditional: 0, dependent unconditional: 3041, unknown: 512, unknown conditional: 0, unknown unconditional: 512] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 26280612, independent: 26277059, independent conditional: 0, independent unconditional: 26277059, dependent: 3041, dependent conditional: 0, dependent unconditional: 3041, unknown: 512, unknown conditional: 0, unknown unconditional: 512] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 8398708, independent: 8396044, independent conditional: 0, independent unconditional: 8396044, dependent: 2279, dependent conditional: 0, dependent unconditional: 2279, unknown: 385, unknown conditional: 0, unknown unconditional: 385] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 8398708, independent: 8394704, independent conditional: 0, independent unconditional: 8394704, dependent: 4004, dependent conditional: 0, dependent unconditional: 4004, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 4004, independent: 1340, independent conditional: 0, independent unconditional: 1340, dependent: 2279, dependent conditional: 0, dependent unconditional: 2279, unknown: 385, unknown conditional: 0, unknown unconditional: 385] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 4004, independent: 1340, independent conditional: 0, independent unconditional: 1340, dependent: 2279, dependent conditional: 0, dependent unconditional: 2279, unknown: 385, unknown conditional: 0, unknown unconditional: 385] , SemanticIndependenceRelation.Query Time [ms]: [ total: 509082, independent: 1818, independent conditional: 0, independent unconditional: 1818, dependent: 107312, dependent conditional: 0, dependent unconditional: 107312, unknown: 399952, unknown conditional: 0, unknown unconditional: 399952] , Protected Queries: 0 ], Cache Queries: [ total: 26280612, independent: 17881015, independent conditional: 0, independent unconditional: 17881015, dependent: 762, dependent conditional: 0, dependent unconditional: 762, unknown: 8398835, unknown conditional: 0, unknown unconditional: 8398835] , Statistics on independence cache: Total cache size (in pairs): 8398323, Positive cache size: 8396044, Positive conditional cache size: 0, Positive unconditional cache size: 8396044, Negative cache size: 2279, Negative conditional cache size: 0, Negative unconditional cache size: 2279, Unknown cache size: 385, Unknown conditional cache size: 0, Unknown unconditional cache size: 385, Eliminated conditions: 0, Maximal queried relation: 0, Independence queries for same thread: 6441 - TimeoutResultAtElement [Line: 7269]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while executing DepthFirstTraversal. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ldv_character_driver_scenario_2Thread1of1ForFork2 with 1 thread instances CFG has 7 procedures, 11685 locations, 7 error locations. Started 1 CEGAR loops. OverallTime: 562.7s, OverallIterations: 0, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 562.6s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 0, 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: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown