./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/no-data-race.prp --file ../../../trunk/examples/svcomp/pthread/stack-2.i --full-output --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations DEFORE --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version b8dbc81d Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../../../trunk/examples/svcomp/pthread/stack-2.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 1c5d098180a5596f0a60d3177354c69a5ee6da68b8191dc75b6c33b291ef0421 --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations DEFORE --- Real Ultimate output --- This is Ultimate 0.2.3-?-b8dbc81 [2023-08-29 03:59:25,606 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-29 03:59:25,608 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-29 03:59:25,647 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-29 03:59:25,647 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-29 03:59:25,648 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-29 03:59:25,649 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-29 03:59:25,651 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-29 03:59:25,653 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-29 03:59:25,654 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-29 03:59:25,654 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-29 03:59:25,656 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-29 03:59:25,656 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-29 03:59:25,657 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-29 03:59:25,658 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-29 03:59:25,659 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-29 03:59:25,660 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-29 03:59:25,660 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-29 03:59:25,662 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-29 03:59:25,679 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-29 03:59:25,683 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-29 03:59:25,686 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-29 03:59:25,686 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-29 03:59:25,687 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-29 03:59:25,689 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-29 03:59:25,694 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-29 03:59:25,694 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-29 03:59:25,695 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-29 03:59:25,695 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-29 03:59:25,696 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-29 03:59:25,696 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-29 03:59:25,697 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-29 03:59:25,697 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-29 03:59:25,698 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-29 03:59:25,698 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-29 03:59:25,698 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-29 03:59:25,699 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-29 03:59:25,699 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-29 03:59:25,699 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-29 03:59:25,700 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-29 03:59:25,700 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-29 03:59:25,702 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-08-29 03:59:25,716 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-29 03:59:25,732 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-29 03:59:25,733 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-29 03:59:25,733 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-29 03:59:25,734 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-29 03:59:25,734 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-29 03:59:25,734 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-29 03:59:25,734 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-29 03:59:25,734 INFO L138 SettingsManager]: * Use SBE=true [2023-08-29 03:59:25,734 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-29 03:59:25,734 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-29 03:59:25,735 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-29 03:59:25,735 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-29 03:59:25,735 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-29 03:59:25,735 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-29 03:59:25,735 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-29 03:59:25,735 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-29 03:59:25,735 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-29 03:59:25,735 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-08-29 03:59:25,735 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-29 03:59:25,735 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-29 03:59:25,735 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-29 03:59:25,735 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-29 03:59:25,736 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-29 03:59:25,736 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-29 03:59:25,736 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-29 03:59:25,736 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 03:59:25,736 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-29 03:59:25,736 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-29 03:59:25,736 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-29 03:59:25,736 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-29 03:59:25,736 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-29 03:59:25,736 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-29 03:59:25,736 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-29 03:59:25,736 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-29 03:59:25,737 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-29 03:59:25,737 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-29 03:59:25,737 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1c5d098180a5596f0a60d3177354c69a5ee6da68b8191dc75b6c33b291ef0421 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> DEFORE [2023-08-29 03:59:26,041 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-29 03:59:26,059 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-29 03:59:26,061 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-29 03:59:26,062 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-29 03:59:26,063 INFO L275 PluginConnector]: CDTParser initialized [2023-08-29 03:59:26,064 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread/stack-2.i [2023-08-29 03:59:27,152 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-29 03:59:27,383 INFO L351 CDTParser]: Found 1 translation units. [2023-08-29 03:59:27,384 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/stack-2.i [2023-08-29 03:59:27,431 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7192f37b1/a9ff8d03f61e4a9e93b3731c4c039dc3/FLAGbb2db90f8 [2023-08-29 03:59:27,451 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7192f37b1/a9ff8d03f61e4a9e93b3731c4c039dc3 [2023-08-29 03:59:27,453 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-29 03:59:27,454 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-29 03:59:27,457 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-29 03:59:27,457 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-29 03:59:27,460 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-29 03:59:27,461 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 03:59:27" (1/1) ... [2023-08-29 03:59:27,464 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@41c64d16 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:59:27, skipping insertion in model container [2023-08-29 03:59:27,464 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 03:59:27" (1/1) ... [2023-08-29 03:59:27,470 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-29 03:59:27,524 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-29 03:59:27,912 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread/stack-2.i[41520,41533] [2023-08-29 03:59:27,943 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 03:59:27,953 INFO L203 MainTranslator]: Completed pre-run [2023-08-29 03:59:27,987 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread/stack-2.i[41520,41533] [2023-08-29 03:59:27,999 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 03:59:28,064 INFO L208 MainTranslator]: Completed translation [2023-08-29 03:59:28,065 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:59:28 WrapperNode [2023-08-29 03:59:28,065 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-29 03:59:28,066 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-29 03:59:28,066 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-29 03:59:28,066 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-29 03:59:28,072 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:59:28" (1/1) ... [2023-08-29 03:59:28,086 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:59:28" (1/1) ... [2023-08-29 03:59:28,118 INFO L138 Inliner]: procedures = 277, calls = 44, calls flagged for inlining = 12, calls inlined = 12, statements flattened = 208 [2023-08-29 03:59:28,118 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-29 03:59:28,118 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-29 03:59:28,118 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-29 03:59:28,119 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-29 03:59:28,124 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:59:28" (1/1) ... [2023-08-29 03:59:28,125 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:59:28" (1/1) ... [2023-08-29 03:59:28,128 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:59:28" (1/1) ... [2023-08-29 03:59:28,128 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:59:28" (1/1) ... [2023-08-29 03:59:28,137 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:59:28" (1/1) ... [2023-08-29 03:59:28,140 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:59:28" (1/1) ... [2023-08-29 03:59:28,141 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:59:28" (1/1) ... [2023-08-29 03:59:28,142 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:59:28" (1/1) ... [2023-08-29 03:59:28,145 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-29 03:59:28,145 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-29 03:59:28,145 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-29 03:59:28,145 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-29 03:59:28,146 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:59:28" (1/1) ... [2023-08-29 03:59:28,154 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 03:59:28,169 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-29 03:59:28,178 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) [2023-08-29 03:59:28,183 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 [2023-08-29 03:59:28,208 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2023-08-29 03:59:28,209 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2023-08-29 03:59:28,209 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2023-08-29 03:59:28,209 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2023-08-29 03:59:28,209 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-29 03:59:28,209 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-29 03:59:28,210 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-29 03:59:28,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-29 03:59:28,210 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-08-29 03:59:28,210 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-29 03:59:28,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-29 03:59:28,212 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-29 03:59:28,212 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-29 03:59:28,213 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-08-29 03:59:28,391 INFO L236 CfgBuilder]: Building ICFG [2023-08-29 03:59:28,393 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-29 03:59:28,720 INFO L277 CfgBuilder]: Performing block encoding [2023-08-29 03:59:28,726 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-29 03:59:28,726 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-08-29 03:59:28,728 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 03:59:28 BoogieIcfgContainer [2023-08-29 03:59:28,728 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-29 03:59:28,729 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-29 03:59:28,730 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-29 03:59:28,732 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-29 03:59:28,732 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.08 03:59:27" (1/3) ... [2023-08-29 03:59:28,732 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@374bc244 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 03:59:28, skipping insertion in model container [2023-08-29 03:59:28,732 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:59:28" (2/3) ... [2023-08-29 03:59:28,733 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@374bc244 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 03:59:28, skipping insertion in model container [2023-08-29 03:59:28,733 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 03:59:28" (3/3) ... [2023-08-29 03:59:28,734 INFO L112 eAbstractionObserver]: Analyzing ICFG stack-2.i [2023-08-29 03:59:28,739 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-29 03:59:28,744 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-29 03:59:28,745 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 14 error locations. [2023-08-29 03:59:28,745 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-29 03:59:28,845 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-08-29 03:59:28,849 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.IllegalArgumentException: No enum constant de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TraceAbstractionPreferenceInitializer.InsufficientError.DEFORE at java.base/java.lang.Enum.valueOf(Enum.java:240) at de.uni_freiburg.informatik.ultimate.core.preferences.RcpPreferenceProvider.getEnum(RcpPreferenceProvider.java:117) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TAPreferences.insufficientThreadErrorsVsProgramErrors(TAPreferences.java:218) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.partitionErrorLocations(TraceAbstractionStarter.java:394) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:280) 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) [2023-08-29 03:59:28,854 INFO L158 Benchmark]: Toolchain (without parser) took 1398.67ms. Allocated memory was 60.8MB in the beginning and 73.4MB in the end (delta: 12.6MB). Free memory was 36.8MB in the beginning and 44.7MB in the end (delta: -7.9MB). Peak memory consumption was 29.0MB. Max. memory is 16.1GB. [2023-08-29 03:59:28,854 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 48.2MB. Free memory was 26.5MB in the beginning and 26.4MB in the end (delta: 37.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-08-29 03:59:28,855 INFO L158 Benchmark]: CACSL2BoogieTranslator took 607.79ms. Allocated memory was 60.8MB in the beginning and 73.4MB in the end (delta: 12.6MB). Free memory was 36.5MB in the beginning and 48.9MB in the end (delta: -12.4MB). Peak memory consumption was 16.6MB. Max. memory is 16.1GB. [2023-08-29 03:59:28,856 INFO L158 Benchmark]: Boogie Procedure Inliner took 52.21ms. Allocated memory is still 73.4MB. Free memory was 48.9MB in the beginning and 45.8MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-29 03:59:28,856 INFO L158 Benchmark]: Boogie Preprocessor took 26.37ms. Allocated memory is still 73.4MB. Free memory was 45.8MB in the beginning and 43.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-29 03:59:28,856 INFO L158 Benchmark]: RCFGBuilder took 582.70ms. Allocated memory is still 73.4MB. Free memory was 43.7MB in the beginning and 40.6MB in the end (delta: 3.1MB). Peak memory consumption was 17.0MB. Max. memory is 16.1GB. [2023-08-29 03:59:28,857 INFO L158 Benchmark]: TraceAbstraction took 123.06ms. Allocated memory is still 73.4MB. Free memory was 39.8MB in the beginning and 44.7MB in the end (delta: -4.9MB). Peak memory consumption was 16.4MB. Max. memory is 16.1GB. [2023-08-29 03:59:28,863 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 48.2MB. Free memory was 26.5MB in the beginning and 26.4MB in the end (delta: 37.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 607.79ms. Allocated memory was 60.8MB in the beginning and 73.4MB in the end (delta: 12.6MB). Free memory was 36.5MB in the beginning and 48.9MB in the end (delta: -12.4MB). Peak memory consumption was 16.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 52.21ms. Allocated memory is still 73.4MB. Free memory was 48.9MB in the beginning and 45.8MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 26.37ms. Allocated memory is still 73.4MB. Free memory was 45.8MB in the beginning and 43.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 582.70ms. Allocated memory is still 73.4MB. Free memory was 43.7MB in the beginning and 40.6MB in the end (delta: 3.1MB). Peak memory consumption was 17.0MB. Max. memory is 16.1GB. * TraceAbstraction took 123.06ms. Allocated memory is still 73.4MB. Free memory was 39.8MB in the beginning and 44.7MB in the end (delta: -4.9MB). Peak memory consumption was 16.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: IllegalArgumentException: No enum constant de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TraceAbstractionPreferenceInitializer.InsufficientError.DEFORE de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: IllegalArgumentException: No enum constant de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TraceAbstractionPreferenceInitializer.InsufficientError.DEFORE: java.base/java.lang.Enum.valueOf(Enum.java:240) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-08-29 03:59:28,881 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... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../../../trunk/examples/svcomp/pthread/stack-2.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 1c5d098180a5596f0a60d3177354c69a5ee6da68b8191dc75b6c33b291ef0421 --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations DEFORE --- Real Ultimate output --- This is Ultimate 0.2.3-?-b8dbc81 [2023-08-29 03:59:30,408 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-29 03:59:30,409 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-29 03:59:30,427 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-29 03:59:30,427 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-29 03:59:30,428 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-29 03:59:30,429 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-29 03:59:30,430 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-29 03:59:30,431 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-29 03:59:30,432 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-29 03:59:30,433 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-29 03:59:30,434 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-29 03:59:30,434 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-29 03:59:30,435 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-29 03:59:30,435 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-29 03:59:30,436 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-29 03:59:30,437 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-29 03:59:30,437 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-29 03:59:30,438 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-29 03:59:30,439 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-29 03:59:30,449 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-29 03:59:30,450 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-29 03:59:30,451 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-29 03:59:30,452 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-29 03:59:30,454 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-29 03:59:30,454 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-29 03:59:30,454 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-29 03:59:30,455 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-29 03:59:30,455 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-29 03:59:30,456 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-29 03:59:30,456 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-29 03:59:30,457 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-29 03:59:30,457 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-29 03:59:30,458 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-29 03:59:30,459 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-29 03:59:30,459 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-29 03:59:30,459 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-29 03:59:30,459 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-29 03:59:30,460 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-29 03:59:30,460 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-29 03:59:30,461 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-29 03:59:30,463 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Bitvector.epf [2023-08-29 03:59:30,479 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-29 03:59:30,479 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-29 03:59:30,479 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-29 03:59:30,479 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-29 03:59:30,480 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-29 03:59:30,480 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-29 03:59:30,480 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-29 03:59:30,480 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-29 03:59:30,481 INFO L138 SettingsManager]: * Use SBE=true [2023-08-29 03:59:30,481 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-29 03:59:30,481 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-29 03:59:30,481 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-29 03:59:30,481 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-29 03:59:30,481 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-29 03:59:30,482 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-29 03:59:30,482 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-29 03:59:30,482 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-29 03:59:30,482 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-08-29 03:59:30,482 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2023-08-29 03:59:30,482 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-08-29 03:59:30,482 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-29 03:59:30,483 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-29 03:59:30,483 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-29 03:59:30,483 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-29 03:59:30,483 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-29 03:59:30,483 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-29 03:59:30,483 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-29 03:59:30,483 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 03:59:30,484 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-29 03:59:30,484 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-29 03:59:30,484 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-29 03:59:30,484 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2023-08-29 03:59:30,484 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-08-29 03:59:30,484 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-29 03:59:30,484 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-29 03:59:30,485 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-29 03:59:30,485 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-29 03:59:30,485 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2023-08-29 03:59:30,485 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-29 03:59:30,485 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1c5d098180a5596f0a60d3177354c69a5ee6da68b8191dc75b6c33b291ef0421 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> DEFORE [2023-08-29 03:59:30,732 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-29 03:59:30,746 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-29 03:59:30,747 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-29 03:59:30,748 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-29 03:59:30,749 INFO L275 PluginConnector]: CDTParser initialized [2023-08-29 03:59:30,750 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread/stack-2.i [2023-08-29 03:59:31,673 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-29 03:59:31,934 INFO L351 CDTParser]: Found 1 translation units. [2023-08-29 03:59:31,935 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/stack-2.i [2023-08-29 03:59:31,943 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/80396b9ad/b68e9e71f9ec4241a625ef188cba3a9a/FLAG40818c8a2 [2023-08-29 03:59:31,952 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/80396b9ad/b68e9e71f9ec4241a625ef188cba3a9a [2023-08-29 03:59:31,953 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-29 03:59:31,954 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-29 03:59:31,955 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-29 03:59:31,955 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-29 03:59:31,964 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-29 03:59:31,965 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 03:59:31" (1/1) ... [2023-08-29 03:59:31,966 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ec76914 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:59:31, skipping insertion in model container [2023-08-29 03:59:31,966 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 03:59:31" (1/1) ... [2023-08-29 03:59:31,974 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-29 03:59:32,010 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-29 03:59:32,268 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread/stack-2.i[41520,41533] [2023-08-29 03:59:32,297 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 03:59:32,323 INFO L203 MainTranslator]: Completed pre-run [2023-08-29 03:59:32,356 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread/stack-2.i[41520,41533] [2023-08-29 03:59:32,364 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 03:59:32,414 INFO L208 MainTranslator]: Completed translation [2023-08-29 03:59:32,415 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:59:32 WrapperNode [2023-08-29 03:59:32,415 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-29 03:59:32,416 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-29 03:59:32,416 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-29 03:59:32,416 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-29 03:59:32,420 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:59:32" (1/1) ... [2023-08-29 03:59:32,447 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:59:32" (1/1) ... [2023-08-29 03:59:32,485 INFO L138 Inliner]: procedures = 281, calls = 44, calls flagged for inlining = 12, calls inlined = 12, statements flattened = 204 [2023-08-29 03:59:32,485 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-29 03:59:32,486 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-29 03:59:32,486 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-29 03:59:32,486 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-29 03:59:32,492 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:59:32" (1/1) ... [2023-08-29 03:59:32,492 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:59:32" (1/1) ... [2023-08-29 03:59:32,495 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:59:32" (1/1) ... [2023-08-29 03:59:32,495 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:59:32" (1/1) ... [2023-08-29 03:59:32,505 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:59:32" (1/1) ... [2023-08-29 03:59:32,508 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:59:32" (1/1) ... [2023-08-29 03:59:32,510 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:59:32" (1/1) ... [2023-08-29 03:59:32,512 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:59:32" (1/1) ... [2023-08-29 03:59:32,516 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-29 03:59:32,517 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-29 03:59:32,517 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-29 03:59:32,517 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-29 03:59:32,518 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:59:32" (1/1) ... [2023-08-29 03:59:32,530 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 03:59:32,543 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-29 03:59:32,558 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) [2023-08-29 03:59:32,560 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 [2023-08-29 03:59:32,582 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-08-29 03:59:32,582 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2023-08-29 03:59:32,582 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2023-08-29 03:59:32,582 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2023-08-29 03:59:32,583 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2023-08-29 03:59:32,583 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-29 03:59:32,583 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-29 03:59:32,583 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-08-29 03:59:32,583 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-08-29 03:59:32,583 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-08-29 03:59:32,584 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-08-29 03:59:32,584 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-29 03:59:32,584 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-29 03:59:32,584 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-29 03:59:32,585 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-08-29 03:59:32,720 INFO L236 CfgBuilder]: Building ICFG [2023-08-29 03:59:32,722 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-29 03:59:33,120 INFO L277 CfgBuilder]: Performing block encoding [2023-08-29 03:59:33,130 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-29 03:59:33,131 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-08-29 03:59:33,132 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 03:59:33 BoogieIcfgContainer [2023-08-29 03:59:33,132 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-29 03:59:33,135 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-29 03:59:33,135 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-29 03:59:33,137 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-29 03:59:33,137 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.08 03:59:31" (1/3) ... [2023-08-29 03:59:33,137 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63664787 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 03:59:33, skipping insertion in model container [2023-08-29 03:59:33,138 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:59:32" (2/3) ... [2023-08-29 03:59:33,138 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63664787 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 03:59:33, skipping insertion in model container [2023-08-29 03:59:33,138 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 03:59:33" (3/3) ... [2023-08-29 03:59:33,139 INFO L112 eAbstractionObserver]: Analyzing ICFG stack-2.i [2023-08-29 03:59:33,145 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-29 03:59:33,151 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-29 03:59:33,151 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 14 error locations. [2023-08-29 03:59:33,151 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-29 03:59:33,272 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-08-29 03:59:33,277 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.IllegalArgumentException: No enum constant de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TraceAbstractionPreferenceInitializer.InsufficientError.DEFORE at java.base/java.lang.Enum.valueOf(Enum.java:240) at de.uni_freiburg.informatik.ultimate.core.preferences.RcpPreferenceProvider.getEnum(RcpPreferenceProvider.java:117) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TAPreferences.insufficientThreadErrorsVsProgramErrors(TAPreferences.java:218) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.partitionErrorLocations(TraceAbstractionStarter.java:394) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:280) 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) [2023-08-29 03:59:33,281 INFO L158 Benchmark]: Toolchain (without parser) took 1326.67ms. Allocated memory is still 79.7MB. Free memory was 55.8MB in the beginning and 47.6MB in the end (delta: 8.2MB). Peak memory consumption was 34.9MB. Max. memory is 16.1GB. [2023-08-29 03:59:33,282 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 60.8MB. Free memory is still 38.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-08-29 03:59:33,282 INFO L158 Benchmark]: CACSL2BoogieTranslator took 460.30ms. Allocated memory is still 79.7MB. Free memory was 55.6MB in the beginning and 42.3MB in the end (delta: 13.3MB). Peak memory consumption was 19.8MB. Max. memory is 16.1GB. [2023-08-29 03:59:33,283 INFO L158 Benchmark]: Boogie Procedure Inliner took 69.14ms. Allocated memory is still 79.7MB. Free memory was 42.3MB in the beginning and 39.0MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-08-29 03:59:33,284 INFO L158 Benchmark]: Boogie Preprocessor took 30.66ms. Allocated memory is still 79.7MB. Free memory was 39.0MB in the beginning and 36.5MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-29 03:59:33,284 INFO L158 Benchmark]: RCFGBuilder took 615.68ms. Allocated memory is still 79.7MB. Free memory was 36.5MB in the beginning and 41.3MB in the end (delta: -4.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-08-29 03:59:33,285 INFO L158 Benchmark]: TraceAbstraction took 145.90ms. Allocated memory is still 79.7MB. Free memory was 40.6MB in the beginning and 47.6MB in the end (delta: -7.0MB). Peak memory consumption was 15.9MB. Max. memory is 16.1GB. [2023-08-29 03:59:33,290 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 60.8MB. Free memory is still 38.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 460.30ms. Allocated memory is still 79.7MB. Free memory was 55.6MB in the beginning and 42.3MB in the end (delta: 13.3MB). Peak memory consumption was 19.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 69.14ms. Allocated memory is still 79.7MB. Free memory was 42.3MB in the beginning and 39.0MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 30.66ms. Allocated memory is still 79.7MB. Free memory was 39.0MB in the beginning and 36.5MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 615.68ms. Allocated memory is still 79.7MB. Free memory was 36.5MB in the beginning and 41.3MB in the end (delta: -4.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 145.90ms. Allocated memory is still 79.7MB. Free memory was 40.6MB in the beginning and 47.6MB in the end (delta: -7.0MB). Peak memory consumption was 15.9MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: IllegalArgumentException: No enum constant de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TraceAbstractionPreferenceInitializer.InsufficientError.DEFORE de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: IllegalArgumentException: No enum constant de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TraceAbstractionPreferenceInitializer.InsufficientError.DEFORE: java.base/java.lang.Enum.valueOf(Enum.java:240) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-08-29 03:59:33,329 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: IllegalArgumentException: No enum constant de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TraceAbstractionPreferenceInitializer.InsufficientError.DEFORE