./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/no-data-race.prp --file ../../../trunk/examples/svcomp/pthread/stack-1.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-1.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 a5e93db72222dd521789305cbf7823ac91f269c62c97020d54f95f5ba14d3fd2 --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 03:59:18,017 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-29 03:59:18,020 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-29 03:59:18,058 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-29 03:59:18,059 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-29 03:59:18,062 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-29 03:59:18,065 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-29 03:59:18,067 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-29 03:59:18,070 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-29 03:59:18,071 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-29 03:59:18,072 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-29 03:59:18,074 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-29 03:59:18,075 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-29 03:59:18,079 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-29 03:59:18,080 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-29 03:59:18,085 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-29 03:59:18,086 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-29 03:59:18,088 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-29 03:59:18,089 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-29 03:59:18,094 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-29 03:59:18,095 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-29 03:59:18,096 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-29 03:59:18,097 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-29 03:59:18,098 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-29 03:59:18,104 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-29 03:59:18,104 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-29 03:59:18,104 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-29 03:59:18,111 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-29 03:59:18,111 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-29 03:59:18,112 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-29 03:59:18,112 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-29 03:59:18,114 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-29 03:59:18,115 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-29 03:59:18,116 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-29 03:59:18,117 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-29 03:59:18,117 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-29 03:59:18,117 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-29 03:59:18,117 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-29 03:59:18,118 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-29 03:59:18,118 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-29 03:59:18,119 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-29 03:59:18,120 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-08-29 03:59:18,152 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-29 03:59:18,153 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-29 03:59:18,154 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-29 03:59:18,154 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-29 03:59:18,155 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-29 03:59:18,155 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-29 03:59:18,155 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-29 03:59:18,156 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-29 03:59:18,156 INFO L138 SettingsManager]: * Use SBE=true [2023-08-29 03:59:18,156 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-29 03:59:18,157 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-29 03:59:18,157 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-29 03:59:18,157 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-29 03:59:18,157 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-29 03:59:18,157 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-29 03:59:18,158 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-29 03:59:18,158 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-29 03:59:18,158 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-29 03:59:18,158 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-08-29 03:59:18,158 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-29 03:59:18,158 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-29 03:59:18,159 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-29 03:59:18,159 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-29 03:59:18,159 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-29 03:59:18,159 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-29 03:59:18,159 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-29 03:59:18,160 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 03:59:18,160 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-29 03:59:18,160 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-29 03:59:18,160 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-29 03:59:18,160 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-29 03:59:18,160 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-29 03:59:18,161 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-29 03:59:18,161 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-29 03:59:18,161 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-29 03:59:18,161 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-29 03:59:18,161 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-29 03:59:18,162 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a5e93db72222dd521789305cbf7823ac91f269c62c97020d54f95f5ba14d3fd2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> DEFORE [2023-08-29 03:59:18,460 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-29 03:59:18,481 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-29 03:59:18,484 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-29 03:59:18,485 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-29 03:59:18,485 INFO L275 PluginConnector]: CDTParser initialized [2023-08-29 03:59:18,487 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread/stack-1.i [2023-08-29 03:59:19,631 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-29 03:59:19,873 INFO L351 CDTParser]: Found 1 translation units. [2023-08-29 03:59:19,875 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/stack-1.i [2023-08-29 03:59:19,887 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d9896ac13/15ef8754c8e04d4e82f7f87aefc04210/FLAGa1fade14a [2023-08-29 03:59:19,901 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d9896ac13/15ef8754c8e04d4e82f7f87aefc04210 [2023-08-29 03:59:19,904 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-29 03:59:19,905 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-29 03:59:19,906 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-29 03:59:19,906 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-29 03:59:19,908 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-29 03:59:19,909 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 03:59:19" (1/1) ... [2023-08-29 03:59:19,909 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1eeff8a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:59:19, skipping insertion in model container [2023-08-29 03:59:19,910 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 03:59:19" (1/1) ... [2023-08-29 03:59:19,915 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-29 03:59:19,975 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-29 03:59:20,285 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-1.i[41520,41533] [2023-08-29 03:59:20,322 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 03:59:20,336 INFO L203 MainTranslator]: Completed pre-run [2023-08-29 03:59:20,378 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-1.i[41520,41533] [2023-08-29 03:59:20,402 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 03:59:20,478 INFO L208 MainTranslator]: Completed translation [2023-08-29 03:59:20,479 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:59:20 WrapperNode [2023-08-29 03:59:20,479 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-29 03:59:20,480 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-29 03:59:20,480 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-29 03:59:20,480 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-29 03:59:20,486 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:59:20" (1/1) ... [2023-08-29 03:59:20,512 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:59:20" (1/1) ... [2023-08-29 03:59:20,546 INFO L138 Inliner]: procedures = 277, calls = 43, calls flagged for inlining = 11, calls inlined = 11, statements flattened = 197 [2023-08-29 03:59:20,546 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-29 03:59:20,547 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-29 03:59:20,547 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-29 03:59:20,547 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-29 03:59:20,557 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:59:20" (1/1) ... [2023-08-29 03:59:20,557 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:59:20" (1/1) ... [2023-08-29 03:59:20,573 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:59:20" (1/1) ... [2023-08-29 03:59:20,573 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:59:20" (1/1) ... [2023-08-29 03:59:20,589 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:59:20" (1/1) ... [2023-08-29 03:59:20,593 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:59:20" (1/1) ... [2023-08-29 03:59:20,595 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:59:20" (1/1) ... [2023-08-29 03:59:20,597 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:59:20" (1/1) ... [2023-08-29 03:59:20,600 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-29 03:59:20,607 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-29 03:59:20,607 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-29 03:59:20,607 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-29 03:59:20,608 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:59:20" (1/1) ... [2023-08-29 03:59:20,614 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 03:59:20,623 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-29 03:59:20,634 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 03:59:20,648 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 03:59:20,670 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2023-08-29 03:59:20,670 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2023-08-29 03:59:20,670 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2023-08-29 03:59:20,672 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2023-08-29 03:59:20,672 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-29 03:59:20,672 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-29 03:59:20,672 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-29 03:59:20,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-29 03:59:20,672 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-08-29 03:59:20,672 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-29 03:59:20,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-29 03:59:20,673 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-29 03:59:20,673 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-29 03:59:20,674 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 03:59:20,859 INFO L236 CfgBuilder]: Building ICFG [2023-08-29 03:59:20,861 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-29 03:59:21,176 INFO L277 CfgBuilder]: Performing block encoding [2023-08-29 03:59:21,184 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-29 03:59:21,184 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-08-29 03:59:21,186 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 03:59:21 BoogieIcfgContainer [2023-08-29 03:59:21,187 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-29 03:59:21,188 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-29 03:59:21,189 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-29 03:59:21,191 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-29 03:59:21,191 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.08 03:59:19" (1/3) ... [2023-08-29 03:59:21,192 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@173c5a05 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 03:59:21, skipping insertion in model container [2023-08-29 03:59:21,192 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:59:20" (2/3) ... [2023-08-29 03:59:21,192 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@173c5a05 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 03:59:21, skipping insertion in model container [2023-08-29 03:59:21,192 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 03:59:21" (3/3) ... [2023-08-29 03:59:21,194 INFO L112 eAbstractionObserver]: Analyzing ICFG stack-1.i [2023-08-29 03:59:21,201 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-29 03:59:21,210 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-29 03:59:21,210 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 13 error locations. [2023-08-29 03:59:21,210 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-29 03:59:21,345 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-08-29 03:59:21,351 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 03:59:21,357 INFO L158 Benchmark]: Toolchain (without parser) took 1451.71ms. Allocated memory was 69.2MB in the beginning and 86.0MB in the end (delta: 16.8MB). Free memory was 32.9MB in the beginning and 56.4MB in the end (delta: -23.5MB). Peak memory consumption was 15.1MB. Max. memory is 16.1GB. [2023-08-29 03:59:21,358 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 69.2MB. Free memory is still 46.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-08-29 03:59:21,359 INFO L158 Benchmark]: CACSL2BoogieTranslator took 573.80ms. Allocated memory was 69.2MB in the beginning and 86.0MB in the end (delta: 16.8MB). Free memory was 32.5MB in the beginning and 55.1MB in the end (delta: -22.5MB). Peak memory consumption was 6.6MB. Max. memory is 16.1GB. [2023-08-29 03:59:21,359 INFO L158 Benchmark]: Boogie Procedure Inliner took 66.10ms. Allocated memory is still 86.0MB. Free memory was 55.1MB in the beginning and 52.0MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-29 03:59:21,360 INFO L158 Benchmark]: Boogie Preprocessor took 52.90ms. Allocated memory is still 86.0MB. Free memory was 52.0MB in the beginning and 50.0MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-29 03:59:21,361 INFO L158 Benchmark]: RCFGBuilder took 579.94ms. Allocated memory is still 86.0MB. Free memory was 49.6MB in the beginning and 49.3MB in the end (delta: 357.8kB). Peak memory consumption was 14.8MB. Max. memory is 16.1GB. [2023-08-29 03:59:21,362 INFO L158 Benchmark]: TraceAbstraction took 167.20ms. Allocated memory is still 86.0MB. Free memory was 48.7MB in the beginning and 56.4MB in the end (delta: -7.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-08-29 03:59:21,368 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 69.2MB. Free memory is still 46.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 573.80ms. Allocated memory was 69.2MB in the beginning and 86.0MB in the end (delta: 16.8MB). Free memory was 32.5MB in the beginning and 55.1MB in the end (delta: -22.5MB). Peak memory consumption was 6.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 66.10ms. Allocated memory is still 86.0MB. Free memory was 55.1MB in the beginning and 52.0MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 52.90ms. Allocated memory is still 86.0MB. Free memory was 52.0MB in the beginning and 50.0MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 579.94ms. Allocated memory is still 86.0MB. Free memory was 49.6MB in the beginning and 49.3MB in the end (delta: 357.8kB). Peak memory consumption was 14.8MB. Max. memory is 16.1GB. * TraceAbstraction took 167.20ms. Allocated memory is still 86.0MB. Free memory was 48.7MB in the beginning and 56.4MB in the end (delta: -7.7MB). Peak memory consumption was 12.6MB. 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 03:59:21,393 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-1.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 a5e93db72222dd521789305cbf7823ac91f269c62c97020d54f95f5ba14d3fd2 --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 03:59:23,244 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-29 03:59:23,245 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-29 03:59:23,271 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-29 03:59:23,271 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-29 03:59:23,272 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-29 03:59:23,273 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-29 03:59:23,275 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-29 03:59:23,276 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-29 03:59:23,277 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-29 03:59:23,278 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-29 03:59:23,279 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-29 03:59:23,279 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-29 03:59:23,280 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-29 03:59:23,281 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-29 03:59:23,282 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-29 03:59:23,282 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-29 03:59:23,283 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-29 03:59:23,285 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-29 03:59:23,295 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-29 03:59:23,302 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-29 03:59:23,306 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-29 03:59:23,307 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-29 03:59:23,310 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-29 03:59:23,314 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-29 03:59:23,318 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-29 03:59:23,318 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-29 03:59:23,320 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-29 03:59:23,321 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-29 03:59:23,322 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-29 03:59:23,322 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-29 03:59:23,323 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-29 03:59:23,324 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-29 03:59:23,325 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-29 03:59:23,326 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-29 03:59:23,327 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-29 03:59:23,328 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-29 03:59:23,328 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-29 03:59:23,328 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-29 03:59:23,329 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-29 03:59:23,329 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-29 03:59:23,331 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Bitvector.epf [2023-08-29 03:59:23,369 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-29 03:59:23,369 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-29 03:59:23,370 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-29 03:59:23,370 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-29 03:59:23,371 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-29 03:59:23,371 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-29 03:59:23,372 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-29 03:59:23,372 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-29 03:59:23,372 INFO L138 SettingsManager]: * Use SBE=true [2023-08-29 03:59:23,372 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-29 03:59:23,373 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-29 03:59:23,373 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-29 03:59:23,373 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-29 03:59:23,374 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-29 03:59:23,374 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-29 03:59:23,374 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-29 03:59:23,374 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-29 03:59:23,374 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-08-29 03:59:23,374 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2023-08-29 03:59:23,375 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-08-29 03:59:23,375 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-29 03:59:23,375 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-29 03:59:23,375 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-29 03:59:23,375 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-29 03:59:23,376 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-29 03:59:23,376 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-29 03:59:23,376 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-29 03:59:23,376 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 03:59:23,376 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-29 03:59:23,377 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-29 03:59:23,377 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-29 03:59:23,377 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2023-08-29 03:59:23,377 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-08-29 03:59:23,378 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-29 03:59:23,378 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-29 03:59:23,378 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-29 03:59:23,378 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-29 03:59:23,378 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2023-08-29 03:59:23,379 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-29 03:59:23,379 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a5e93db72222dd521789305cbf7823ac91f269c62c97020d54f95f5ba14d3fd2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> DEFORE [2023-08-29 03:59:23,696 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-29 03:59:23,713 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-29 03:59:23,715 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-29 03:59:23,716 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-29 03:59:23,716 INFO L275 PluginConnector]: CDTParser initialized [2023-08-29 03:59:23,717 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread/stack-1.i [2023-08-29 03:59:24,805 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-29 03:59:25,073 INFO L351 CDTParser]: Found 1 translation units. [2023-08-29 03:59:25,073 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/stack-1.i [2023-08-29 03:59:25,095 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3648039eb/b7d6c51369244db0b5749f7349cf7fdc/FLAG6e54fc8f3 [2023-08-29 03:59:25,114 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3648039eb/b7d6c51369244db0b5749f7349cf7fdc [2023-08-29 03:59:25,116 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-29 03:59:25,118 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-29 03:59:25,121 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-29 03:59:25,121 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-29 03:59:25,125 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-29 03:59:25,125 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 03:59:25" (1/1) ... [2023-08-29 03:59:25,126 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e281d31 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:59:25, skipping insertion in model container [2023-08-29 03:59:25,126 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 03:59:25" (1/1) ... [2023-08-29 03:59:25,132 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-29 03:59:25,168 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-29 03:59:25,503 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-1.i[41520,41533] [2023-08-29 03:59:25,539 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 03:59:25,554 INFO L203 MainTranslator]: Completed pre-run [2023-08-29 03:59:25,611 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-1.i[41520,41533] [2023-08-29 03:59:25,636 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 03:59:25,697 INFO L208 MainTranslator]: Completed translation [2023-08-29 03:59:25,697 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:59:25 WrapperNode [2023-08-29 03:59:25,697 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-29 03:59:25,699 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-29 03:59:25,699 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-29 03:59:25,699 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-29 03:59:25,705 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:59:25" (1/1) ... [2023-08-29 03:59:25,735 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:59:25" (1/1) ... [2023-08-29 03:59:25,759 INFO L138 Inliner]: procedures = 281, calls = 43, calls flagged for inlining = 11, calls inlined = 11, statements flattened = 194 [2023-08-29 03:59:25,760 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-29 03:59:25,760 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-29 03:59:25,761 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-29 03:59:25,761 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-29 03:59:25,768 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:59:25" (1/1) ... [2023-08-29 03:59:25,768 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:59:25" (1/1) ... [2023-08-29 03:59:25,773 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:59:25" (1/1) ... [2023-08-29 03:59:25,773 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:59:25" (1/1) ... [2023-08-29 03:59:25,786 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:59:25" (1/1) ... [2023-08-29 03:59:25,792 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:59:25" (1/1) ... [2023-08-29 03:59:25,795 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:59:25" (1/1) ... [2023-08-29 03:59:25,797 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:59:25" (1/1) ... [2023-08-29 03:59:25,801 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-29 03:59:25,802 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-29 03:59:25,802 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-29 03:59:25,803 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-29 03:59:25,803 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:59:25" (1/1) ... [2023-08-29 03:59:25,809 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 03:59:25,822 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-29 03:59:25,841 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 03:59:25,847 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 03:59:25,869 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-08-29 03:59:25,870 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2023-08-29 03:59:25,870 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2023-08-29 03:59:25,870 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2023-08-29 03:59:25,870 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2023-08-29 03:59:25,870 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-29 03:59:25,870 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-29 03:59:25,871 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-08-29 03:59:25,871 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-08-29 03:59:25,871 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-08-29 03:59:25,871 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-08-29 03:59:25,871 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-29 03:59:25,871 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-29 03:59:25,872 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-29 03:59:25,873 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 03:59:26,046 INFO L236 CfgBuilder]: Building ICFG [2023-08-29 03:59:26,048 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-29 03:59:26,513 INFO L277 CfgBuilder]: Performing block encoding [2023-08-29 03:59:26,523 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-29 03:59:26,523 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-08-29 03:59:26,525 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 03:59:26 BoogieIcfgContainer [2023-08-29 03:59:26,525 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-29 03:59:26,527 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-29 03:59:26,527 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-29 03:59:26,530 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-29 03:59:26,530 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.08 03:59:25" (1/3) ... [2023-08-29 03:59:26,531 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23dff5d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 03:59:26, skipping insertion in model container [2023-08-29 03:59:26,531 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:59:25" (2/3) ... [2023-08-29 03:59:26,532 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23dff5d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 03:59:26, skipping insertion in model container [2023-08-29 03:59:26,532 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 03:59:26" (3/3) ... [2023-08-29 03:59:26,533 INFO L112 eAbstractionObserver]: Analyzing ICFG stack-1.i [2023-08-29 03:59:26,541 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-29 03:59:26,549 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-29 03:59:26,549 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 13 error locations. [2023-08-29 03:59:26,550 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-29 03:59:26,683 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-08-29 03:59:26,689 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 03:59:26,695 INFO L158 Benchmark]: Toolchain (without parser) took 1576.67ms. Allocated memory was 69.2MB in the beginning and 94.4MB in the end (delta: 25.2MB). Free memory was 43.3MB in the beginning and 45.5MB in the end (delta: -2.1MB). Peak memory consumption was 21.4MB. Max. memory is 16.1GB. [2023-08-29 03:59:26,696 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 69.2MB. Free memory is still 47.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-08-29 03:59:26,697 INFO L158 Benchmark]: CACSL2BoogieTranslator took 576.73ms. Allocated memory was 69.2MB in the beginning and 94.4MB in the end (delta: 25.2MB). Free memory was 43.1MB in the beginning and 58.7MB in the end (delta: -15.6MB). Peak memory consumption was 20.0MB. Max. memory is 16.1GB. [2023-08-29 03:59:26,697 INFO L158 Benchmark]: Boogie Procedure Inliner took 61.36ms. Allocated memory is still 94.4MB. Free memory was 58.7MB in the beginning and 56.0MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-29 03:59:26,698 INFO L158 Benchmark]: Boogie Preprocessor took 41.17ms. Allocated memory is still 94.4MB. Free memory was 55.5MB in the beginning and 52.9MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-29 03:59:26,699 INFO L158 Benchmark]: RCFGBuilder took 722.78ms. Allocated memory is still 94.4MB. Free memory was 52.9MB in the beginning and 66.5MB in the end (delta: -13.5MB). Peak memory consumption was 22.4MB. Max. memory is 16.1GB. [2023-08-29 03:59:26,700 INFO L158 Benchmark]: TraceAbstraction took 166.38ms. Allocated memory is still 94.4MB. Free memory was 65.6MB in the beginning and 45.5MB in the end (delta: 20.1MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-08-29 03:59:26,707 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 69.2MB. Free memory is still 47.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 576.73ms. Allocated memory was 69.2MB in the beginning and 94.4MB in the end (delta: 25.2MB). Free memory was 43.1MB in the beginning and 58.7MB in the end (delta: -15.6MB). Peak memory consumption was 20.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 61.36ms. Allocated memory is still 94.4MB. Free memory was 58.7MB in the beginning and 56.0MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 41.17ms. Allocated memory is still 94.4MB. Free memory was 55.5MB in the beginning and 52.9MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 722.78ms. Allocated memory is still 94.4MB. Free memory was 52.9MB in the beginning and 66.5MB in the end (delta: -13.5MB). Peak memory consumption was 22.4MB. Max. memory is 16.1GB. * TraceAbstraction took 166.38ms. Allocated memory is still 94.4MB. Free memory was 65.6MB in the beginning and 45.5MB in the end (delta: 20.1MB). Peak memory consumption was 18.9MB. 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 03:59:26,730 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