/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 --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations BEFORE -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 [2023-01-28 00:50:55,751 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-01-28 00:50:55,753 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-01-28 00:50:55,781 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-01-28 00:50:55,781 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-01-28 00:50:55,783 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-01-28 00:50:55,785 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-01-28 00:50:55,787 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-01-28 00:50:55,788 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-01-28 00:50:55,792 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-01-28 00:50:55,793 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-01-28 00:50:55,794 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-01-28 00:50:55,794 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-01-28 00:50:55,796 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-01-28 00:50:55,796 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-01-28 00:50:55,798 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-01-28 00:50:55,799 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-01-28 00:50:55,799 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-01-28 00:50:55,800 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-01-28 00:50:55,804 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-01-28 00:50:55,804 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-01-28 00:50:55,805 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-01-28 00:50:55,806 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-01-28 00:50:55,807 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-01-28 00:50:55,812 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2023-01-28 00:50:55,817 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-01-28 00:50:55,817 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-01-28 00:50:55,818 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-01-28 00:50:55,819 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 [2023-01-28 00:50:55,839 INFO L113 SettingsManager]: Loading preferences was successful [2023-01-28 00:50:55,839 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-01-28 00:50:55,840 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-01-28 00:50:55,840 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-01-28 00:50:55,840 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-01-28 00:50:55,840 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-01-28 00:50:55,841 INFO L138 SettingsManager]: * Use SBE=true [2023-01-28 00:50:55,841 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-01-28 00:50:55,841 INFO L138 SettingsManager]: * sizeof long=4 [2023-01-28 00:50:55,841 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-01-28 00:50:55,841 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-01-28 00:50:55,841 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-01-28 00:50:55,841 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-01-28 00:50:55,842 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-01-28 00:50:55,842 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-01-28 00:50:55,842 INFO L138 SettingsManager]: * sizeof long double=12 [2023-01-28 00:50:55,842 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-01-28 00:50:55,842 INFO L138 SettingsManager]: * Use constant arrays=true [2023-01-28 00:50:55,842 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-01-28 00:50:55,842 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-01-28 00:50:55,842 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-01-28 00:50:55,842 INFO L138 SettingsManager]: * To the following directory=./dump/ [2023-01-28 00:50:55,842 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-01-28 00:50:55,842 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-01-28 00:50:55,842 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-01-28 00:50:55,843 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-01-28 00:50:55,843 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-01-28 00:50:55,843 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-01-28 00:50:55,843 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-01-28 00:50:55,843 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-01-28 00:50:55,843 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-01-28 00:50:55,843 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> BEFORE [2023-01-28 00:50:56,026 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-01-28 00:50:56,045 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-01-28 00:50:56,047 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-01-28 00:50:56,048 INFO L271 PluginConnector]: Initializing CDTParser... [2023-01-28 00:50:56,048 INFO L275 PluginConnector]: CDTParser initialized [2023-01-28 00:50:56,049 INFO L432 ainManager$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 [2023-01-28 00:50:56,966 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-01-28 00:50:57,295 INFO L351 CDTParser]: Found 1 translation units. [2023-01-28 00:50:57,295 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 [2023-01-28 00:50:57,321 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d5ba1240a/fcd72f0ca06d48fc8611e8185f33f623/FLAG5c543a9d2 [2023-01-28 00:50:57,336 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d5ba1240a/fcd72f0ca06d48fc8611e8185f33f623 [2023-01-28 00:50:57,337 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-01-28 00:50:57,338 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2023-01-28 00:50:57,339 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-01-28 00:50:57,339 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-01-28 00:50:57,341 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-01-28 00:50:57,341 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.01 12:50:57" (1/1) ... [2023-01-28 00:50:57,342 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16d504fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 12:50:57, skipping insertion in model container [2023-01-28 00:50:57,342 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.01 12:50:57" (1/1) ... [2023-01-28 00:50:57,346 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-01-28 00:50:57,407 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-01-28 00:50:58,430 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] [2023-01-28 00:50:58,528 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-01-28 00:50:58,559 INFO L203 MainTranslator]: Completed pre-run [2023-01-28 00:50:58,748 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] [2023-01-28 00:50:58,756 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-01-28 00:50:58,804 WARN L667 CHandler]: The function __xchg_wrong_size is called, but not defined or handled by StandardFunctionHandler. [2023-01-28 00:50:58,805 WARN L667 CHandler]: The function __bad_percpu_size is called, but not defined or handled by StandardFunctionHandler. [2023-01-28 00:50:58,809 INFO L208 MainTranslator]: Completed translation [2023-01-28 00:50:58,810 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 12:50:58 WrapperNode [2023-01-28 00:50:58,810 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-01-28 00:50:58,811 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-01-28 00:50:58,811 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-01-28 00:50:58,811 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-01-28 00:50:58,815 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 12:50:58" (1/1) ... [2023-01-28 00:50:58,871 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 12:50:58" (1/1) ... [2023-01-28 00:50:59,029 INFO L138 Inliner]: procedures = 286, calls = 1747, calls flagged for inlining = 461, calls inlined = 521, statements flattened = 6251 [2023-01-28 00:50:59,029 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-01-28 00:50:59,030 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-01-28 00:50:59,030 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-01-28 00:50:59,030 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-01-28 00:50:59,037 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 12:50:58" (1/1) ... [2023-01-28 00:50:59,037 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 12:50:58" (1/1) ... [2023-01-28 00:50:59,063 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 12:50:58" (1/1) ... [2023-01-28 00:50:59,064 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 12:50:58" (1/1) ... [2023-01-28 00:50:59,134 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 12:50:58" (1/1) ... [2023-01-28 00:50:59,151 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 12:50:58" (1/1) ... [2023-01-28 00:50:59,169 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 12:50:58" (1/1) ... [2023-01-28 00:50:59,183 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 12:50:58" (1/1) ... [2023-01-28 00:50:59,206 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-01-28 00:50:59,207 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-01-28 00:50:59,207 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-01-28 00:50:59,207 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-01-28 00:50:59,208 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 12:50:58" (1/1) ... [2023-01-28 00:50:59,212 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-01-28 00:50:59,219 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-01-28 00:50:59,229 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) [2023-01-28 00:50:59,246 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 [2023-01-28 00:50:59,265 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2023-01-28 00:50:59,265 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_insmod_4 [2023-01-28 00:50:59,265 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_insmod_4 [2023-01-28 00:50:59,265 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-01-28 00:50:59,265 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_scenario_3 [2023-01-28 00:50:59,265 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_scenario_3 [2023-01-28 00:50:59,265 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-01-28 00:50:59,292 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-01-28 00:50:59,292 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-01-28 00:50:59,292 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-01-28 00:50:59,292 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-01-28 00:50:59,293 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-01-28 00:50:59,293 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-01-28 00:50:59,293 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-01-28 00:50:59,293 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-01-28 00:50:59,293 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2023-01-28 00:50:59,293 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_character_driver_scenario_2 [2023-01-28 00:50:59,293 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_character_driver_scenario_2 [2023-01-28 00:50:59,293 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-01-28 00:50:59,293 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-01-28 00:50:59,293 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-01-28 00:50:59,296 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-01-28 00:50:59,718 INFO L236 CfgBuilder]: Building ICFG [2023-01-28 00:50:59,719 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-01-28 00:51:02,599 INFO L277 CfgBuilder]: Performing block encoding [2023-01-28 00:51:02,621 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-01-28 00:51:02,621 INFO L302 CfgBuilder]: Removed 29 assume(true) statements. [2023-01-28 00:51:02,626 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.01 12:51:02 BoogieIcfgContainer [2023-01-28 00:51:02,626 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-01-28 00:51:02,627 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-01-28 00:51:02,627 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-01-28 00:51:02,629 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-01-28 00:51:02,629 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.01 12:50:57" (1/3) ... [2023-01-28 00:51:02,630 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6699c4f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.01 12:51:02, skipping insertion in model container [2023-01-28 00:51:02,630 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 12:50:58" (2/3) ... [2023-01-28 00:51:02,630 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6699c4f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.01 12:51:02, skipping insertion in model container [2023-01-28 00:51:02,630 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.01 12:51:02" (3/3) ... [2023-01-28 00:51:02,631 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14--drivers--usb--misc--adutux.ko.cil.i [2023-01-28 00:51:02,642 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-01-28 00:51:02,642 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-01-28 00:51:02,642 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-01-28 00:51:03,365 INFO L144 ThreadInstanceAdder]: Constructed 9 joinOtherThreadTransitions. [2023-01-28 00:51:03,453 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 6288 places, 6624 transitions, 13284 flow [2023-01-28 00:51:15,933 INFO L130 PetriNetUnfolder]: 600/10428 cut-off events. [2023-01-28 00:51:15,934 INFO L131 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2023-01-28 00:51:16,378 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. [2023-01-28 00:51:16,378 INFO L82 GeneralOperation]: Start removeDead. Operand has 6288 places, 6624 transitions, 13284 flow [2023-01-28 00:51:16,497 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 6244 places, 6578 transitions, 13180 flow [2023-01-28 00:51:16,500 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-01-28 00:51:16,507 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 6244 places, 6578 transitions, 13180 flow [2023-01-28 00:51:16,518 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 6244 places, 6578 transitions, 13180 flow [2023-01-28 00:51:16,519 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 6244 places, 6578 transitions, 13180 flow [2023-01-28 00:51:27,939 INFO L130 PetriNetUnfolder]: 600/10428 cut-off events. [2023-01-28 00:51:27,939 INFO L131 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2023-01-28 00:51:28,416 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. [2023-01-28 00:51:31,296 INFO L119 LiptonReduction]: Number of co-enabled transitions 14691956 [2023-01-28 00:56:07,021 WARN L222 SmtUtils]: Spent 6.91s 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) [2023-01-28 00:56:13,965 WARN L222 SmtUtils]: Spent 6.94s 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) [2023-01-28 00:56:21,811 WARN L222 SmtUtils]: Spent 7.84s 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) [2023-01-28 00:56:27,076 WARN L222 SmtUtils]: Spent 5.26s 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) [2023-01-28 00:56:34,675 WARN L222 SmtUtils]: Spent 5.11s 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) [2023-01-28 00:56:40,121 WARN L222 SmtUtils]: Spent 5.45s 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) [2023-01-28 00:56:45,265 WARN L222 SmtUtils]: Spent 5.14s 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) [2023-01-28 00:56:50,410 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) [2023-01-28 00:56:58,069 WARN L222 SmtUtils]: Spent 7.65s 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) [2023-01-28 00:57:05,775 WARN L222 SmtUtils]: Spent 7.71s 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) [2023-01-28 00:57:15,578 WARN L222 SmtUtils]: Spent 9.80s 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) [2023-01-28 00:57:25,162 WARN L222 SmtUtils]: Spent 9.58s 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) [2023-01-28 00:57:36,934 WARN L222 SmtUtils]: Spent 11.74s 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) [2023-01-28 00:57:48,717 WARN L222 SmtUtils]: Spent 11.78s 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) [2023-01-28 00:58:00,862 WARN L222 SmtUtils]: Spent 12.14s 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) [2023-01-28 00:58:12,740 WARN L222 SmtUtils]: Spent 11.88s 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) Received shutdown request... [2023-01-28 01:03:53,963 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 [2023-01-28 01:03:54,056 WARN L238 SmtUtils]: Removed 21 from assertion stack [2023-01-28 01:03:54,057 INFO L256 ToolchainWalker]: Toolchain cancelled while executing plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction. Reason: Timeout or Toolchain cancelled by user [2023-01-28 01:03:54,058 INFO L158 Benchmark]: Toolchain (without parser) took 776720.21ms. Allocated memory was 352.3MB in the beginning and 10.7GB in the end (delta: 10.4GB). Free memory was 313.6MB in the beginning and 6.2GB in the end (delta: -5.9GB). Peak memory consumption was 9.5GB. Max. memory is 16.0GB. [2023-01-28 01:03:54,059 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 255.9MB. Free memory is still 213.5MB. There was no memory consumed. Max. memory is 16.0GB. [2023-01-28 01:03:54,059 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1471.30ms. Allocated memory is still 352.3MB. Free memory was 313.6MB in the beginning and 276.6MB in the end (delta: 37.0MB). Peak memory consumption was 97.4MB. Max. memory is 16.0GB. [2023-01-28 01:03:54,060 INFO L158 Benchmark]: Boogie Procedure Inliner took 218.94ms. Allocated memory was 352.3MB in the beginning and 434.1MB in the end (delta: 81.8MB). Free memory was 276.6MB in the beginning and 372.5MB in the end (delta: -96.0MB). Peak memory consumption was 50.7MB. Max. memory is 16.0GB. [2023-01-28 01:03:54,060 INFO L158 Benchmark]: Boogie Preprocessor took 175.85ms. Allocated memory is still 434.1MB. Free memory was 372.5MB in the beginning and 346.3MB in the end (delta: 26.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.0GB. [2023-01-28 01:03:54,060 INFO L158 Benchmark]: RCFGBuilder took 3419.11ms. Allocated memory was 434.1MB in the beginning and 585.1MB in the end (delta: 151.0MB). Free memory was 346.3MB in the beginning and 463.8MB in the end (delta: -117.4MB). Peak memory consumption was 215.2MB. Max. memory is 16.0GB. [2023-01-28 01:03:54,061 INFO L158 Benchmark]: TraceAbstraction took 771430.64ms. Allocated memory was 585.1MB in the beginning and 10.7GB in the end (delta: 10.1GB). Free memory was 462.7MB in the beginning and 6.2GB in the end (delta: -5.7GB). Peak memory consumption was 9.4GB. Max. memory is 16.0GB. [2023-01-28 01:03:54,064 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 255.9MB. Free memory is still 213.5MB. There was no memory consumed. Max. memory is 16.0GB. * CACSL2BoogieTranslator took 1471.30ms. Allocated memory is still 352.3MB. Free memory was 313.6MB in the beginning and 276.6MB in the end (delta: 37.0MB). Peak memory consumption was 97.4MB. Max. memory is 16.0GB. * Boogie Procedure Inliner took 218.94ms. Allocated memory was 352.3MB in the beginning and 434.1MB in the end (delta: 81.8MB). Free memory was 276.6MB in the beginning and 372.5MB in the end (delta: -96.0MB). Peak memory consumption was 50.7MB. Max. memory is 16.0GB. * Boogie Preprocessor took 175.85ms. Allocated memory is still 434.1MB. Free memory was 372.5MB in the beginning and 346.3MB in the end (delta: 26.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.0GB. * RCFGBuilder took 3419.11ms. Allocated memory was 434.1MB in the beginning and 585.1MB in the end (delta: 151.0MB). Free memory was 346.3MB in the beginning and 463.8MB in the end (delta: -117.4MB). Peak memory consumption was 215.2MB. Max. memory is 16.0GB. * TraceAbstraction took 771430.64ms. Allocated memory was 585.1MB in the beginning and 10.7GB in the end (delta: 10.1GB). Free memory was 462.7MB in the beginning and 6.2GB in the end (delta: -5.7GB). Peak memory consumption was 9.4GB. 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 TransFormulaUtils was doing sequential composition of 2 TransFormulas,while SimplifyDDAWithTimeout was simplifying term of DAG size 2719 for 340872ms.. RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown