/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-VariableLbe.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-dev-b8dbc81 [2023-01-27 18:22:47,579 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-01-27 18:22:47,581 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-01-27 18:22:47,611 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-01-27 18:22:47,611 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-01-27 18:22:47,613 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-01-27 18:22:47,615 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-01-27 18:22:47,617 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-01-27 18:22:47,618 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-01-27 18:22:47,621 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-01-27 18:22:47,622 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-01-27 18:22:47,623 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-01-27 18:22:47,624 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-01-27 18:22:47,625 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-01-27 18:22:47,626 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-01-27 18:22:47,629 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-01-27 18:22:47,629 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-01-27 18:22:47,630 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-01-27 18:22:47,631 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-01-27 18:22:47,635 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-01-27 18:22:47,635 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-01-27 18:22:47,636 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-01-27 18:22:47,637 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-01-27 18:22:47,638 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-01-27 18:22:47,642 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-01-27 18:22:47,642 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-01-27 18:22:47,642 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-01-27 18:22:47,643 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-01-27 18:22:47,644 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-01-27 18:22:47,644 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-01-27 18:22:47,644 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-01-27 18:22:47,644 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-01-27 18:22:47,645 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-01-27 18:22:47,646 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-01-27 18:22:47,646 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-01-27 18:22:47,646 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-01-27 18:22:47,647 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-01-27 18:22:47,647 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-01-27 18:22:47,647 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-01-27 18:22:47,647 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-01-27 18:22:47,648 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-01-27 18:22:47,649 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-VariableLbe.epf [2023-01-27 18:22:47,669 INFO L113 SettingsManager]: Loading preferences was successful [2023-01-27 18:22:47,669 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-01-27 18:22:47,670 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-01-27 18:22:47,670 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-01-27 18:22:47,671 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-01-27 18:22:47,671 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-01-27 18:22:47,671 INFO L138 SettingsManager]: * Use SBE=true [2023-01-27 18:22:47,671 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-01-27 18:22:47,671 INFO L138 SettingsManager]: * sizeof long=4 [2023-01-27 18:22:47,671 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-01-27 18:22:47,672 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-01-27 18:22:47,672 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-01-27 18:22:47,672 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-01-27 18:22:47,672 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-01-27 18:22:47,672 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-01-27 18:22:47,672 INFO L138 SettingsManager]: * sizeof long double=12 [2023-01-27 18:22:47,672 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-01-27 18:22:47,673 INFO L138 SettingsManager]: * Use constant arrays=true [2023-01-27 18:22:47,673 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-01-27 18:22:47,673 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-01-27 18:22:47,673 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-01-27 18:22:47,673 INFO L138 SettingsManager]: * To the following directory=./dump/ [2023-01-27 18:22:47,673 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-01-27 18:22:47,673 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-01-27 18:22:47,673 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-01-27 18:22:47,673 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-01-27 18:22:47,673 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-01-27 18:22:47,673 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-01-27 18:22:47,673 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-01-27 18:22:47,674 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-01-27 18:22:47,674 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-01-27 18:22:47,674 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-01-27 18:22:47,853 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-01-27 18:22:47,872 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-01-27 18:22:47,873 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-01-27 18:22:47,874 INFO L271 PluginConnector]: Initializing CDTParser... [2023-01-27 18:22:47,875 INFO L275 PluginConnector]: CDTParser initialized [2023-01-27 18:22:47,875 INFO L432 ainManager$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 [2023-01-27 18:22:48,884 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-01-27 18:22:49,210 INFO L351 CDTParser]: Found 1 translation units. [2023-01-27 18:22:49,211 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 [2023-01-27 18:22:49,234 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b2e010531/40b09fb3f7c941ca986e600d465db38d/FLAG7d8531c64 [2023-01-27 18:22:49,245 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b2e010531/40b09fb3f7c941ca986e600d465db38d [2023-01-27 18:22:49,247 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-01-27 18:22:49,248 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2023-01-27 18:22:49,249 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-01-27 18:22:49,249 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-01-27 18:22:49,251 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-01-27 18:22:49,251 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.01 06:22:49" (1/1) ... [2023-01-27 18:22:49,252 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60dfc643 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 06:22:49, skipping insertion in model container [2023-01-27 18:22:49,252 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.01 06:22:49" (1/1) ... [2023-01-27 18:22:49,257 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-01-27 18:22:49,329 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-01-27 18:22:50,216 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] [2023-01-27 18:22:50,331 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-01-27 18:22:50,363 INFO L203 MainTranslator]: Completed pre-run [2023-01-27 18:22:50,578 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] [2023-01-27 18:22:50,589 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-01-27 18:22:50,639 WARN L667 CHandler]: The function __xchg_wrong_size is called, but not defined or handled by StandardFunctionHandler. [2023-01-27 18:22:50,639 WARN L667 CHandler]: The function __bad_percpu_size is called, but not defined or handled by StandardFunctionHandler. [2023-01-27 18:22:50,644 INFO L208 MainTranslator]: Completed translation [2023-01-27 18:22:50,644 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 06:22:50 WrapperNode [2023-01-27 18:22:50,644 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-01-27 18:22:50,645 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-01-27 18:22:50,645 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-01-27 18:22:50,645 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-01-27 18:22:50,650 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 06:22:50" (1/1) ... [2023-01-27 18:22:50,698 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 06:22:50" (1/1) ... [2023-01-27 18:22:50,845 INFO L138 Inliner]: procedures = 286, calls = 1747, calls flagged for inlining = 461, calls inlined = 521, statements flattened = 6251 [2023-01-27 18:22:50,845 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-01-27 18:22:50,846 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-01-27 18:22:50,846 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-01-27 18:22:50,846 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-01-27 18:22:50,853 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 06:22:50" (1/1) ... [2023-01-27 18:22:50,854 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 06:22:50" (1/1) ... [2023-01-27 18:22:50,868 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 06:22:50" (1/1) ... [2023-01-27 18:22:50,868 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 06:22:50" (1/1) ... [2023-01-27 18:22:50,979 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 06:22:50" (1/1) ... [2023-01-27 18:22:51,002 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 06:22:50" (1/1) ... [2023-01-27 18:22:51,020 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 06:22:50" (1/1) ... [2023-01-27 18:22:51,034 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 06:22:50" (1/1) ... [2023-01-27 18:22:51,058 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-01-27 18:22:51,059 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-01-27 18:22:51,059 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-01-27 18:22:51,059 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-01-27 18:22:51,060 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 06:22:50" (1/1) ... [2023-01-27 18:22:51,064 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-01-27 18:22:51,073 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-01-27 18:22:51,086 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) [2023-01-27 18:22:51,119 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 [2023-01-27 18:22:51,132 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2023-01-27 18:22:51,132 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_insmod_4 [2023-01-27 18:22:51,132 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_insmod_4 [2023-01-27 18:22:51,132 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-01-27 18:22:51,133 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_scenario_3 [2023-01-27 18:22:51,133 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_scenario_3 [2023-01-27 18:22:51,133 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-01-27 18:22:51,133 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-01-27 18:22:51,133 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-01-27 18:22:51,133 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-01-27 18:22:51,133 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-01-27 18:22:51,133 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-01-27 18:22:51,133 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-01-27 18:22:51,133 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-01-27 18:22:51,133 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-01-27 18:22:51,133 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2023-01-27 18:22:51,133 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_character_driver_scenario_2 [2023-01-27 18:22:51,134 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_character_driver_scenario_2 [2023-01-27 18:22:51,134 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-01-27 18:22:51,134 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-01-27 18:22:51,134 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-01-27 18:22:51,138 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-01-27 18:22:51,590 INFO L236 CfgBuilder]: Building ICFG [2023-01-27 18:22:51,592 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-01-27 18:22:54,951 INFO L277 CfgBuilder]: Performing block encoding [2023-01-27 18:22:54,985 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-01-27 18:22:54,986 INFO L302 CfgBuilder]: Removed 29 assume(true) statements. [2023-01-27 18:22:54,994 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.01 06:22:54 BoogieIcfgContainer [2023-01-27 18:22:54,994 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-01-27 18:22:54,996 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-01-27 18:22:54,997 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-01-27 18:22:54,999 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-01-27 18:22:54,999 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.01 06:22:49" (1/3) ... [2023-01-27 18:22:55,000 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6568b912 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.01 06:22:55, skipping insertion in model container [2023-01-27 18:22:55,000 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 06:22:50" (2/3) ... [2023-01-27 18:22:55,000 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6568b912 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.01 06:22:55, skipping insertion in model container [2023-01-27 18:22:55,000 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.01 06:22:54" (3/3) ... [2023-01-27 18:22:55,001 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14--drivers--usb--misc--adutux.ko.cil.i [2023-01-27 18:22:55,014 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-01-27 18:22:55,015 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-01-27 18:22:55,015 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-01-27 18:22:55,797 INFO L144 ThreadInstanceAdder]: Constructed 9 joinOtherThreadTransitions. [2023-01-27 18:22:55,875 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 6288 places, 6624 transitions, 13284 flow [2023-01-27 18:23:08,966 INFO L130 PetriNetUnfolder]: 600/10428 cut-off events. [2023-01-27 18:23:08,967 INFO L131 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2023-01-27 18:23:09,436 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10451 conditions, 10428 events. 600/10428 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 33. Compared 57265 event pairs, 0 based on Foata normal form. 0/9820 useless extension candidates. Maximal degree in co-relation 9609. Up to 24 conditions per place. [2023-01-27 18:23:09,436 INFO L82 GeneralOperation]: Start removeDead. Operand has 6288 places, 6624 transitions, 13284 flow [2023-01-27 18:23:09,557 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 6244 places, 6578 transitions, 13180 flow [2023-01-27 18:23:09,560 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-01-27 18:23:09,565 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 6244 places, 6578 transitions, 13180 flow [2023-01-27 18:23:09,567 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 6244 places, 6578 transitions, 13180 flow [2023-01-27 18:23:09,567 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 6244 places, 6578 transitions, 13180 flow [2023-01-27 18:23:21,353 INFO L130 PetriNetUnfolder]: 600/10428 cut-off events. [2023-01-27 18:23:21,353 INFO L131 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2023-01-27 18:23:21,854 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10451 conditions, 10428 events. 600/10428 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 33. Compared 57272 event pairs, 0 based on Foata normal form. 0/9820 useless extension candidates. Maximal degree in co-relation 9609. Up to 24 conditions per place. [2023-01-27 18:23:24,712 INFO L119 LiptonReduction]: Number of co-enabled transitions 14691956 [2023-01-27 18:27:54,662 WARN L222 SmtUtils]: Spent 6.99s on a formula simplification that was a NOOP. DAG size: 780 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-01-27 18:28:01,566 WARN L222 SmtUtils]: Spent 6.90s on a formula simplification that was a NOOP. DAG size: 780 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-01-27 18:28:09,591 WARN L222 SmtUtils]: Spent 8.02s on a formula simplification. DAG size of input: 789 DAG size of output: 787 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-01-27 18:28:14,884 WARN L222 SmtUtils]: Spent 5.29s on a formula simplification that was a NOOP. DAG size: 786 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-01-27 18:28:22,563 WARN L222 SmtUtils]: Spent 5.16s on a formula simplification that was a NOOP. DAG size: 1063 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-01-27 18:28:27,670 WARN L222 SmtUtils]: Spent 5.11s on a formula simplification that was a NOOP. DAG size: 1063 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-01-27 18:28:32,750 WARN L222 SmtUtils]: Spent 5.08s on a formula simplification that was a NOOP. DAG size: 1063 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-01-27 18:28:37,896 WARN L222 SmtUtils]: Spent 5.14s on a formula simplification that was a NOOP. DAG size: 1063 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-01-27 18:28:45,476 WARN L222 SmtUtils]: Spent 7.57s on a formula simplification that was a NOOP. DAG size: 1295 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-01-27 18:28:52,920 WARN L222 SmtUtils]: Spent 7.44s on a formula simplification that was a NOOP. DAG size: 1295 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-01-27 18:29:02,188 WARN L222 SmtUtils]: Spent 9.26s on a formula simplification that was a NOOP. DAG size: 1301 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-01-27 18:29:11,451 WARN L222 SmtUtils]: Spent 9.26s on a formula simplification that was a NOOP. DAG size: 1301 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-01-27 18:29:23,005 WARN L222 SmtUtils]: Spent 11.52s on a formula simplification that was a NOOP. DAG size: 1512 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-01-27 18:29:34,417 WARN L222 SmtUtils]: Spent 11.41s on a formula simplification that was a NOOP. DAG size: 1512 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-01-27 18:29:46,071 WARN L222 SmtUtils]: Spent 11.65s on a formula simplification that was a NOOP. DAG size: 1512 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-01-27 18:29:57,513 WARN L222 SmtUtils]: Spent 11.44s on a formula simplification that was a NOOP. DAG size: 1512 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-01-27 18:35:38,167 WARN L222 SmtUtils]: Spent 5.67m on a formula simplification that was a NOOP. DAG size: 2719 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) Received shutdown request... [2023-01-27 18:35:50,163 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 [2023-01-27 18:35:50,384 WARN L238 SmtUtils]: Removed 1028 from assertion stack [2023-01-27 18:35:50,385 INFO L256 ToolchainWalker]: Toolchain cancelled while executing plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction. Reason: Timeout or Toolchain cancelled by user [2023-01-27 18:35:50,386 INFO L158 Benchmark]: Toolchain (without parser) took 781138.45ms. Allocated memory was 371.2MB in the beginning and 11.8GB in the end (delta: 11.4GB). Free memory was 311.9MB in the beginning and 4.6GB in the end (delta: -4.3GB). Peak memory consumption was 10.3GB. Max. memory is 16.0GB. [2023-01-27 18:35:50,387 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 255.9MB. Free memory was 214.4MB in the beginning and 214.2MB in the end (delta: 160.8kB). There was no memory consumed. Max. memory is 16.0GB. [2023-01-27 18:35:50,387 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1395.63ms. Allocated memory is still 371.2MB. Free memory was 311.6MB in the beginning and 301.7MB in the end (delta: 9.9MB). Peak memory consumption was 76.4MB. Max. memory is 16.0GB. [2023-01-27 18:35:50,388 INFO L158 Benchmark]: Boogie Procedure Inliner took 200.17ms. Allocated memory is still 371.2MB. Free memory was 301.7MB in the beginning and 295.6MB in the end (delta: 6.1MB). Peak memory consumption was 21.4MB. Max. memory is 16.0GB. [2023-01-27 18:35:50,388 INFO L158 Benchmark]: Boogie Preprocessor took 212.40ms. Allocated memory was 371.2MB in the beginning and 511.7MB in the end (delta: 140.5MB). Free memory was 295.6MB in the beginning and 433.6MB in the end (delta: -138.0MB). Peak memory consumption was 35.7MB. Max. memory is 16.0GB. [2023-01-27 18:35:50,389 INFO L158 Benchmark]: RCFGBuilder took 3935.43ms. Allocated memory was 511.7MB in the beginning and 817.9MB in the end (delta: 306.2MB). Free memory was 433.6MB in the beginning and 636.2MB in the end (delta: -202.6MB). Peak memory consumption was 134.6MB. Max. memory is 16.0GB. [2023-01-27 18:35:50,389 INFO L158 Benchmark]: TraceAbstraction took 775389.28ms. Allocated memory was 817.9MB in the beginning and 11.8GB in the end (delta: 11.0GB). Free memory was 636.2MB in the beginning and 4.6GB in the end (delta: -4.0GB). Peak memory consumption was 10.2GB. Max. memory is 16.0GB. [2023-01-27 18:35:50,391 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 255.9MB. Free memory was 214.4MB in the beginning and 214.2MB in the end (delta: 160.8kB). There was no memory consumed. Max. memory is 16.0GB. * CACSL2BoogieTranslator took 1395.63ms. Allocated memory is still 371.2MB. Free memory was 311.6MB in the beginning and 301.7MB in the end (delta: 9.9MB). Peak memory consumption was 76.4MB. Max. memory is 16.0GB. * Boogie Procedure Inliner took 200.17ms. Allocated memory is still 371.2MB. Free memory was 301.7MB in the beginning and 295.6MB in the end (delta: 6.1MB). Peak memory consumption was 21.4MB. Max. memory is 16.0GB. * Boogie Preprocessor took 212.40ms. Allocated memory was 371.2MB in the beginning and 511.7MB in the end (delta: 140.5MB). Free memory was 295.6MB in the beginning and 433.6MB in the end (delta: -138.0MB). Peak memory consumption was 35.7MB. Max. memory is 16.0GB. * RCFGBuilder took 3935.43ms. Allocated memory was 511.7MB in the beginning and 817.9MB in the end (delta: 306.2MB). Free memory was 433.6MB in the beginning and 636.2MB in the end (delta: -202.6MB). Peak memory consumption was 134.6MB. Max. memory is 16.0GB. * TraceAbstraction took 775389.28ms. Allocated memory was 817.9MB in the beginning and 11.8GB in the end (delta: 11.0GB). Free memory was 636.2MB in the beginning and 4.6GB in the end (delta: -4.0GB). Peak memory consumption was 10.2GB. Max. memory is 16.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResult: Timeout (de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction) Toolchain cancelled while CegarLoopFactory was constructing initial abstraction,while PetriNetLargeBlockEncoding was applying PetriNetLargeBlockEncoding to Petri net that has 6244 places, 6578 transitions, 13180 flow,while LiptonReduction was applying LiptonReduction to Petri net that has 6244 places, 6578 transitions, 13180 flow and 258292 co-enabled transitions pairs.,while SimplifyDDAWithTimeout was simplifying term of DAG size 2719 for 12213ms.. RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown