/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 --traceabstraction.cegar.restart.behaviour ONE_CEGAR_PER_THREAD_INSTANCE --traceabstraction.maximal.amount.of.steps.the.threads.are.allowed.to.take.successively 1 --traceabstraction.enable.heuristic.with.loops.as.step.type false --traceabstraction.considered.threads.and.their.maximal.amount.of.steps X --traceabstraction.defines.what.statements.are.considered.a.step.in.por LOOP -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 0.2.2-wip.dk.orders-218013a [2023-05-04 19:49:16,839 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-05-04 19:49:16,840 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-05-04 19:49:16,872 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-05-04 19:49:16,873 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-05-04 19:49:16,876 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-05-04 19:49:16,878 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-05-04 19:49:16,880 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-05-04 19:49:16,881 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-05-04 19:49:16,885 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-05-04 19:49:16,885 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-05-04 19:49:16,887 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-05-04 19:49:16,887 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-05-04 19:49:16,889 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-05-04 19:49:16,890 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-05-04 19:49:16,891 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-05-04 19:49:16,891 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-05-04 19:49:16,892 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-05-04 19:49:16,893 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-05-04 19:49:16,897 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-05-04 19:49:16,899 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-05-04 19:49:16,899 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-05-04 19:49:16,901 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-05-04 19:49:16,901 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-05-04 19:49:16,907 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-05-04 19:49:16,907 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-05-04 19:49:16,907 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-05-04 19:49:16,908 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-05-04 19:49:16,908 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-05-04 19:49:16,909 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-05-04 19:49:16,909 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-05-04 19:49:16,910 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-05-04 19:49:16,911 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-05-04 19:49:16,912 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-05-04 19:49:16,912 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-05-04 19:49:16,912 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-05-04 19:49:16,913 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-05-04 19:49:16,913 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-05-04 19:49:16,913 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-05-04 19:49:16,914 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-05-04 19:49:16,914 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-05-04 19:49:16,915 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2023-05-04 19:49:16,939 INFO L113 SettingsManager]: Loading preferences was successful [2023-05-04 19:49:16,939 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-05-04 19:49:16,939 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-05-04 19:49:16,939 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-05-04 19:49:16,940 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-05-04 19:49:16,940 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-05-04 19:49:16,940 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-05-04 19:49:16,941 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-05-04 19:49:16,941 INFO L138 SettingsManager]: * Use SBE=true [2023-05-04 19:49:16,941 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-05-04 19:49:16,941 INFO L138 SettingsManager]: * sizeof long=4 [2023-05-04 19:49:16,941 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-05-04 19:49:16,942 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-05-04 19:49:16,942 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-05-04 19:49:16,942 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-05-04 19:49:16,942 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-05-04 19:49:16,942 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-05-04 19:49:16,942 INFO L138 SettingsManager]: * sizeof long double=12 [2023-05-04 19:49:16,942 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-05-04 19:49:16,942 INFO L138 SettingsManager]: * Use constant arrays=true [2023-05-04 19:49:16,942 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-05-04 19:49:16,942 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-05-04 19:49:16,942 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-05-04 19:49:16,942 INFO L138 SettingsManager]: * To the following directory=./dump/ [2023-05-04 19:49:16,943 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-05-04 19:49:16,943 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-04 19:49:16,943 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-05-04 19:49:16,943 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-05-04 19:49:16,943 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-05-04 19:49:16,943 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-05-04 19:49:16,943 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2023-05-04 19:49:16,943 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-05-04 19:49:16,943 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-05-04 19:49:16,943 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-05-04 19:49:16,944 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-05-04 19:49:16,944 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-05-04 19:49:16,944 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_THREAD_INSTANCE Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Maximal amount of steps the threads are allowed to take successively -> 1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Enable heuristic with loops as step type -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Considered threads and their maximal amount of steps -> X Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Defines what statements are considered a step in POR -> LOOP [2023-05-04 19:49:17,148 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-05-04 19:49:17,164 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-05-04 19:49:17,166 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-05-04 19:49:17,167 INFO L271 PluginConnector]: Initializing CDTParser... [2023-05-04 19:49:17,168 INFO L275 PluginConnector]: CDTParser initialized [2023-05-04 19:49:17,169 INFO L432 ainManager$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 [2023-05-04 19:49:17,211 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/15ab8ee63/f014c99902144024a76143ca8f0ee4eb/FLAGe39c60449 [2023-05-04 19:49:17,831 INFO L306 CDTParser]: Found 1 translation units. [2023-05-04 19:49:17,832 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-linux-3.14-races/linux-3.14--drivers--usb--misc--adutux.ko.cil.i [2023-05-04 19:49:17,864 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/15ab8ee63/f014c99902144024a76143ca8f0ee4eb/FLAGe39c60449 [2023-05-04 19:49:18,022 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/15ab8ee63/f014c99902144024a76143ca8f0ee4eb [2023-05-04 19:49:18,024 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-05-04 19:49:18,025 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2023-05-04 19:49:18,027 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-05-04 19:49:18,027 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-05-04 19:49:18,030 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-05-04 19:49:18,031 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.05 07:49:18" (1/1) ... [2023-05-04 19:49:18,032 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@59850163 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 07:49:18, skipping insertion in model container [2023-05-04 19:49:18,033 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.05 07:49:18" (1/1) ... [2023-05-04 19:49:18,037 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-05-04 19:49:18,115 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-05-04 19:49:19,213 WARN L230 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] [2023-05-04 19:49:19,339 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-05-04 19:49:19,365 INFO L203 MainTranslator]: Completed pre-run [2023-05-04 19:49:19,517 WARN L230 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] [2023-05-04 19:49:19,524 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-05-04 19:49:19,577 INFO L208 MainTranslator]: Completed translation [2023-05-04 19:49:19,577 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 07:49:19 WrapperNode [2023-05-04 19:49:19,577 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-05-04 19:49:19,578 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-05-04 19:49:19,578 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-05-04 19:49:19,578 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-05-04 19:49:19,583 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 07:49:19" (1/1) ... [2023-05-04 19:49:19,626 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 07:49:19" (1/1) ... [2023-05-04 19:49:19,760 INFO L138 Inliner]: procedures = 286, calls = 1704, calls flagged for inlining = 418, calls inlined = 483, statements flattened = 5769 [2023-05-04 19:49:19,760 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-05-04 19:49:19,761 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-05-04 19:49:19,761 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-05-04 19:49:19,761 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-05-04 19:49:19,779 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 07:49:19" (1/1) ... [2023-05-04 19:49:19,779 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 07:49:19" (1/1) ... [2023-05-04 19:49:19,790 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 07:49:19" (1/1) ... [2023-05-04 19:49:19,790 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 07:49:19" (1/1) ... [2023-05-04 19:49:19,851 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 07:49:19" (1/1) ... [2023-05-04 19:49:19,862 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 07:49:19" (1/1) ... [2023-05-04 19:49:19,873 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 07:49:19" (1/1) ... [2023-05-04 19:49:19,884 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 07:49:19" (1/1) ... [2023-05-04 19:49:19,899 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-05-04 19:49:19,900 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-05-04 19:49:19,900 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-05-04 19:49:19,900 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-05-04 19:49:19,901 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 07:49:19" (1/1) ... [2023-05-04 19:49:19,905 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-04 19:49:19,911 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 19:49:19,920 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) [2023-05-04 19:49:19,991 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 [2023-05-04 19:49:20,021 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2023-05-04 19:49:20,021 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_insmod_4 [2023-05-04 19:49:20,021 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_insmod_4 [2023-05-04 19:49:20,021 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-05-04 19:49:20,021 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_scenario_3 [2023-05-04 19:49:20,021 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_scenario_3 [2023-05-04 19:49:20,022 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-05-04 19:49:20,022 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-05-04 19:49:20,022 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-05-04 19:49:20,022 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-05-04 19:49:20,022 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-05-04 19:49:20,022 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-05-04 19:49:20,022 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-05-04 19:49:20,022 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-05-04 19:49:20,022 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-05-04 19:49:20,022 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2023-05-04 19:49:20,022 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_character_driver_scenario_2 [2023-05-04 19:49:20,022 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_character_driver_scenario_2 [2023-05-04 19:49:20,022 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-05-04 19:49:20,022 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-05-04 19:49:20,022 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-05-04 19:49:20,025 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2023-05-04 19:49:20,411 INFO L235 CfgBuilder]: Building ICFG [2023-05-04 19:49:20,412 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-05-04 19:49:23,431 INFO L276 CfgBuilder]: Performing block encoding [2023-05-04 19:49:23,451 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-05-04 19:49:23,451 INFO L300 CfgBuilder]: Removed 29 assume(true) statements. [2023-05-04 19:49:23,455 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.05 07:49:23 BoogieIcfgContainer [2023-05-04 19:49:23,455 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-05-04 19:49:23,457 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-05-04 19:49:23,457 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-05-04 19:49:23,459 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-05-04 19:49:23,459 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.05 07:49:18" (1/3) ... [2023-05-04 19:49:23,460 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e72ff0f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.05 07:49:23, skipping insertion in model container [2023-05-04 19:49:23,460 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 07:49:19" (2/3) ... [2023-05-04 19:49:23,460 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e72ff0f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.05 07:49:23, skipping insertion in model container [2023-05-04 19:49:23,460 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.05 07:49:23" (3/3) ... [2023-05-04 19:49:23,461 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14--drivers--usb--misc--adutux.ko.cil.i [2023-05-04 19:49:23,466 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-05-04 19:49:23,471 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-05-04 19:49:23,472 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-05-04 19:49:23,472 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-05-04 19:49:24,239 INFO L144 ThreadInstanceAdder]: Constructed 9 joinOtherThreadTransitions. [2023-05-04 19:49:24,336 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-04 19:49:24,336 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-05-04 19:49:24,336 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 19:49:24,343 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) [2023-05-04 19:49:24,344 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 [2023-05-04 19:49:24,365 INFO L162 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-05-04 19:49:24,390 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.NullPointerException at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.ParameterizedPreferenceOrderUtils.computeEffectiveGlobalVars(ParameterizedPreferenceOrderUtils.java:145) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.ParameterizedPreferenceOrderUtils.(ParameterizedPreferenceOrderUtils.java:62) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.PartialOrderReductionFacade.getPreferenceOrder(PartialOrderReductionFacade.java:207) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.PartialOrderReductionFacade.(PartialOrderReductionFacade.java:164) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.concurrency.PartialOrderCegarLoop.(PartialOrderCegarLoop.java:181) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopFactory.constructCegarLoop(CegarLoopFactory.java:178) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:414) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:302) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:225) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:173) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-05-04 19:49:24,394 INFO L158 Benchmark]: Toolchain (without parser) took 6367.42ms. Allocated memory was 198.2MB in the beginning and 419.4MB in the end (delta: 221.2MB). Free memory was 156.4MB in the beginning and 141.5MB in the end (delta: 15.0MB). Peak memory consumption was 235.1MB. Max. memory is 8.0GB. [2023-05-04 19:49:24,394 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 198.2MB. Free memory is still 152.3MB. There was no memory consumed. Max. memory is 8.0GB. [2023-05-04 19:49:24,394 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1550.18ms. Allocated memory was 198.2MB in the beginning and 248.5MB in the end (delta: 50.3MB). Free memory was 156.0MB in the beginning and 103.6MB in the end (delta: 52.4MB). Peak memory consumption was 103.8MB. Max. memory is 8.0GB. [2023-05-04 19:49:24,395 INFO L158 Benchmark]: Boogie Procedure Inliner took 182.19ms. Allocated memory is still 248.5MB. Free memory was 103.6MB in the beginning and 192.8MB in the end (delta: -89.2MB). Peak memory consumption was 47.6MB. Max. memory is 8.0GB. [2023-05-04 19:49:24,395 INFO L158 Benchmark]: Boogie Preprocessor took 138.54ms. Allocated memory is still 248.5MB. Free memory was 192.8MB in the beginning and 166.6MB in the end (delta: 26.2MB). Peak memory consumption was 25.2MB. Max. memory is 8.0GB. [2023-05-04 19:49:24,395 INFO L158 Benchmark]: RCFGBuilder took 3555.22ms. Allocated memory was 248.5MB in the beginning and 419.4MB in the end (delta: 170.9MB). Free memory was 166.6MB in the beginning and 229.5MB in the end (delta: -62.9MB). Peak memory consumption was 139.0MB. Max. memory is 8.0GB. [2023-05-04 19:49:24,396 INFO L158 Benchmark]: TraceAbstraction took 935.56ms. Allocated memory is still 419.4MB. Free memory was 227.9MB in the beginning and 142.0MB in the end (delta: 85.9MB). Peak memory consumption was 84.3MB. Max. memory is 8.0GB. [2023-05-04 19:49:24,398 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 198.2MB. Free memory is still 152.3MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 1550.18ms. Allocated memory was 198.2MB in the beginning and 248.5MB in the end (delta: 50.3MB). Free memory was 156.0MB in the beginning and 103.6MB in the end (delta: 52.4MB). Peak memory consumption was 103.8MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 182.19ms. Allocated memory is still 248.5MB. Free memory was 103.6MB in the beginning and 192.8MB in the end (delta: -89.2MB). Peak memory consumption was 47.6MB. Max. memory is 8.0GB. * Boogie Preprocessor took 138.54ms. Allocated memory is still 248.5MB. Free memory was 192.8MB in the beginning and 166.6MB in the end (delta: 26.2MB). Peak memory consumption was 25.2MB. Max. memory is 8.0GB. * RCFGBuilder took 3555.22ms. Allocated memory was 248.5MB in the beginning and 419.4MB in the end (delta: 170.9MB). Free memory was 166.6MB in the beginning and 229.5MB in the end (delta: -62.9MB). Peak memory consumption was 139.0MB. Max. memory is 8.0GB. * TraceAbstraction took 935.56ms. Allocated memory is still 419.4MB. Free memory was 227.9MB in the beginning and 142.0MB in the end (delta: 85.9MB). Peak memory consumption was 84.3MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: NullPointerException: null de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: NullPointerException: null: de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.ParameterizedPreferenceOrderUtils.computeEffectiveGlobalVars(ParameterizedPreferenceOrderUtils.java:145) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-05-04 19:49:24,422 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 [2023-05-04 19:49:24,643 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...