./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/valid-memsafety.prp --file ../../../trunk/examples/svcomp/weaver/chl-simpl-str-trans.wvr.c --full-output --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations DEFORE --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) 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/AutomizerMemDerefMemtrack.xml -i ../../../trunk/examples/svcomp/weaver/chl-simpl-str-trans.wvr.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-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 valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0b48bde914fb7ebeda4cbd6fd329f7fd1281e3c3e233b6f5149c7b66a2f709ab --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 [2023-08-30 02:02:56,356 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-30 02:02:56,357 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-30 02:02:56,390 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-30 02:02:56,390 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-30 02:02:56,391 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-30 02:02:56,392 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-30 02:02:56,393 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-30 02:02:56,394 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-30 02:02:56,395 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-30 02:02:56,396 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-30 02:02:56,396 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-30 02:02:56,397 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-30 02:02:56,397 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-30 02:02:56,398 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-30 02:02:56,399 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-30 02:02:56,399 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-30 02:02:56,400 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-30 02:02:56,401 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-30 02:02:56,402 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-30 02:02:56,403 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-30 02:02:56,404 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-30 02:02:56,404 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-30 02:02:56,405 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-30 02:02:56,407 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-30 02:02:56,407 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-30 02:02:56,407 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-30 02:02:56,408 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-30 02:02:56,408 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-30 02:02:56,409 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-30 02:02:56,409 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-30 02:02:56,410 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-30 02:02:56,410 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-30 02:02:56,411 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-30 02:02:56,411 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-30 02:02:56,411 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-30 02:02:56,412 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-30 02:02:56,412 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-30 02:02:56,412 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-30 02:02:56,413 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-30 02:02:56,413 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-30 02:02:56,414 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2023-08-30 02:02:56,431 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-30 02:02:56,431 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-30 02:02:56,432 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-30 02:02:56,432 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-30 02:02:56,432 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-30 02:02:56,436 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-30 02:02:56,437 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-30 02:02:56,437 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-30 02:02:56,437 INFO L138 SettingsManager]: * Use SBE=true [2023-08-30 02:02:56,438 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-30 02:02:56,438 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-30 02:02:56,438 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-30 02:02:56,438 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-30 02:02:56,438 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-30 02:02:56,439 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-30 02:02:56,439 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-08-30 02:02:56,439 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2023-08-30 02:02:56,439 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-08-30 02:02:56,439 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-30 02:02:56,439 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-08-30 02:02:56,439 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-30 02:02:56,440 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-30 02:02:56,440 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-30 02:02:56,440 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-30 02:02:56,440 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-30 02:02:56,440 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 02:02:56,440 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-30 02:02:56,441 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-30 02:02:56,441 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-30 02:02:56,441 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-30 02:02:56,441 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-30 02:02:56,441 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-30 02:02:56,441 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-30 02:02:56,441 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-30 02:02:56,442 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0b48bde914fb7ebeda4cbd6fd329f7fd1281e3c3e233b6f5149c7b66a2f709ab Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> DEFORE [2023-08-30 02:02:56,847 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-30 02:02:56,868 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-30 02:02:56,870 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-30 02:02:56,871 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-30 02:02:56,871 INFO L275 PluginConnector]: CDTParser initialized [2023-08-30 02:02:56,875 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/chl-simpl-str-trans.wvr.c [2023-08-30 02:02:58,016 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-30 02:02:58,169 INFO L351 CDTParser]: Found 1 translation units. [2023-08-30 02:02:58,170 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-simpl-str-trans.wvr.c [2023-08-30 02:02:58,174 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b1640d0b0/cbf3cef1fe7c405c8649ca8df49d20da/FLAGd7db89097 [2023-08-30 02:02:58,188 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b1640d0b0/cbf3cef1fe7c405c8649ca8df49d20da [2023-08-30 02:02:58,190 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-30 02:02:58,191 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-30 02:02:58,200 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-30 02:02:58,207 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-30 02:02:58,209 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-30 02:02:58,209 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 02:02:58" (1/1) ... [2023-08-30 02:02:58,210 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@33d88512 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:02:58, skipping insertion in model container [2023-08-30 02:02:58,212 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 02:02:58" (1/1) ... [2023-08-30 02:02:58,216 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-30 02:02:58,226 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-30 02:02:58,334 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-simpl-str-trans.wvr.c[2514,2527] [2023-08-30 02:02:58,340 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 02:02:58,347 INFO L203 MainTranslator]: Completed pre-run [2023-08-30 02:02:58,362 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-simpl-str-trans.wvr.c[2514,2527] [2023-08-30 02:02:58,364 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 02:02:58,374 INFO L208 MainTranslator]: Completed translation [2023-08-30 02:02:58,375 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:02:58 WrapperNode [2023-08-30 02:02:58,375 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-30 02:02:58,376 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-30 02:02:58,376 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-30 02:02:58,376 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-30 02:02:58,381 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:02:58" (1/1) ... [2023-08-30 02:02:58,387 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:02:58" (1/1) ... [2023-08-30 02:02:58,415 INFO L138 Inliner]: procedures = 23, calls = 30, calls flagged for inlining = 8, calls inlined = 12, statements flattened = 169 [2023-08-30 02:02:58,416 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-30 02:02:58,417 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-30 02:02:58,417 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-30 02:02:58,417 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-30 02:02:58,424 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:02:58" (1/1) ... [2023-08-30 02:02:58,424 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:02:58" (1/1) ... [2023-08-30 02:02:58,437 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:02:58" (1/1) ... [2023-08-30 02:02:58,438 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:02:58" (1/1) ... [2023-08-30 02:02:58,445 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:02:58" (1/1) ... [2023-08-30 02:02:58,447 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:02:58" (1/1) ... [2023-08-30 02:02:58,448 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:02:58" (1/1) ... [2023-08-30 02:02:58,449 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:02:58" (1/1) ... [2023-08-30 02:02:58,451 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-30 02:02:58,451 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-30 02:02:58,452 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-30 02:02:58,452 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-30 02:02:58,452 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:02:58" (1/1) ... [2023-08-30 02:02:58,470 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 02:02:58,479 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-30 02:02:58,490 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) [2023-08-30 02:02:58,522 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 [2023-08-30 02:02:58,530 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-30 02:02:58,530 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-08-30 02:02:58,531 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-08-30 02:02:58,531 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-08-30 02:02:58,531 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-08-30 02:02:58,531 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-08-30 02:02:58,531 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-08-30 02:02:58,531 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-30 02:02:58,532 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-30 02:02:58,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-30 02:02:58,532 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-30 02:02:58,532 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-30 02:02:58,532 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-30 02:02:58,532 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-30 02:02:58,533 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-08-30 02:02:58,660 INFO L236 CfgBuilder]: Building ICFG [2023-08-30 02:02:58,673 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-30 02:02:58,931 INFO L277 CfgBuilder]: Performing block encoding [2023-08-30 02:02:58,939 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-30 02:02:58,939 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-08-30 02:02:58,941 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 02:02:58 BoogieIcfgContainer [2023-08-30 02:02:58,941 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-30 02:02:58,942 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-30 02:02:58,942 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-30 02:02:58,945 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-30 02:02:58,945 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.08 02:02:58" (1/3) ... [2023-08-30 02:02:58,945 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@409051cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 02:02:58, skipping insertion in model container [2023-08-30 02:02:58,945 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:02:58" (2/3) ... [2023-08-30 02:02:58,946 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@409051cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 02:02:58, skipping insertion in model container [2023-08-30 02:02:58,946 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 02:02:58" (3/3) ... [2023-08-30 02:02:58,947 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-simpl-str-trans.wvr.c [2023-08-30 02:02:58,960 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-30 02:02:58,961 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 14 error locations. [2023-08-30 02:02:58,961 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-30 02:02:59,064 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2023-08-30 02:02:59,069 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) [2023-08-30 02:02:59,073 INFO L158 Benchmark]: Toolchain (without parser) took 881.70ms. Allocated memory is still 83.9MB. Free memory was 62.3MB in the beginning and 36.4MB in the end (delta: 26.0MB). Peak memory consumption was 27.2MB. Max. memory is 16.1GB. [2023-08-30 02:02:59,074 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 62.9MB. Free memory was 41.0MB in the beginning and 40.9MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-08-30 02:02:59,075 INFO L158 Benchmark]: CACSL2BoogieTranslator took 175.79ms. Allocated memory is still 83.9MB. Free memory was 62.3MB in the beginning and 51.0MB in the end (delta: 11.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-08-30 02:02:59,075 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.21ms. Allocated memory is still 83.9MB. Free memory was 51.0MB in the beginning and 49.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-30 02:02:59,076 INFO L158 Benchmark]: Boogie Preprocessor took 34.17ms. Allocated memory is still 83.9MB. Free memory was 49.0MB in the beginning and 47.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-30 02:02:59,076 INFO L158 Benchmark]: RCFGBuilder took 489.55ms. Allocated memory is still 83.9MB. Free memory was 47.4MB in the beginning and 48.9MB in the end (delta: -1.6MB). Peak memory consumption was 8.3MB. Max. memory is 16.1GB. [2023-08-30 02:02:59,077 INFO L158 Benchmark]: TraceAbstraction took 129.59ms. Allocated memory is still 83.9MB. Free memory was 48.6MB in the beginning and 36.4MB in the end (delta: 12.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-08-30 02:02:59,082 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 62.9MB. Free memory was 41.0MB in the beginning and 40.9MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 175.79ms. Allocated memory is still 83.9MB. Free memory was 62.3MB in the beginning and 51.0MB in the end (delta: 11.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.21ms. Allocated memory is still 83.9MB. Free memory was 51.0MB in the beginning and 49.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 34.17ms. Allocated memory is still 83.9MB. Free memory was 49.0MB in the beginning and 47.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 489.55ms. Allocated memory is still 83.9MB. Free memory was 47.4MB in the beginning and 48.9MB in the end (delta: -1.6MB). Peak memory consumption was 8.3MB. Max. memory is 16.1GB. * TraceAbstraction took 129.59ms. Allocated memory is still 83.9MB. Free memory was 48.6MB in the beginning and 36.4MB in the end (delta: 12.3MB). 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. [2023-08-30 02:02:59,101 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/AutomizerMemDerefMemtrack.xml -i ../../../trunk/examples/svcomp/weaver/chl-simpl-str-trans.wvr.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-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 valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0b48bde914fb7ebeda4cbd6fd329f7fd1281e3c3e233b6f5149c7b66a2f709ab --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 [2023-08-30 02:03:00,983 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-30 02:03:00,984 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-30 02:03:01,017 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-30 02:03:01,017 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-30 02:03:01,018 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-30 02:03:01,019 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-30 02:03:01,020 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-30 02:03:01,043 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-30 02:03:01,047 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-30 02:03:01,048 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-30 02:03:01,054 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-30 02:03:01,054 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-30 02:03:01,055 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-30 02:03:01,057 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-30 02:03:01,061 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-30 02:03:01,061 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-30 02:03:01,062 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-30 02:03:01,072 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-30 02:03:01,075 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-30 02:03:01,076 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-30 02:03:01,077 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-30 02:03:01,078 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-30 02:03:01,079 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-30 02:03:01,082 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-30 02:03:01,082 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-30 02:03:01,082 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-30 02:03:01,083 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-30 02:03:01,084 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-30 02:03:01,084 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-30 02:03:01,084 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-30 02:03:01,086 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-30 02:03:01,087 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-30 02:03:01,087 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-30 02:03:01,088 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-30 02:03:01,088 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-30 02:03:01,088 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-30 02:03:01,088 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-30 02:03:01,088 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-30 02:03:01,089 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-30 02:03:01,089 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-30 02:03:01,095 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2023-08-30 02:03:01,136 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-30 02:03:01,136 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-30 02:03:01,142 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-30 02:03:01,142 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-30 02:03:01,143 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-30 02:03:01,143 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-30 02:03:01,143 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-30 02:03:01,143 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-30 02:03:01,144 INFO L138 SettingsManager]: * Use SBE=true [2023-08-30 02:03:01,144 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-30 02:03:01,144 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-30 02:03:01,144 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-30 02:03:01,144 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-30 02:03:01,145 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-30 02:03:01,145 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-30 02:03:01,145 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-08-30 02:03:01,145 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2023-08-30 02:03:01,145 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-08-30 02:03:01,145 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-30 02:03:01,145 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-08-30 02:03:01,145 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2023-08-30 02:03:01,145 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-08-30 02:03:01,145 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-30 02:03:01,145 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-30 02:03:01,145 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-30 02:03:01,145 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-30 02:03:01,146 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-30 02:03:01,146 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 02:03:01,146 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-30 02:03:01,146 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-30 02:03:01,146 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2023-08-30 02:03:01,146 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-08-30 02:03:01,146 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-30 02:03:01,146 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-30 02:03:01,146 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-30 02:03:01,146 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2023-08-30 02:03:01,146 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-30 02:03:01,147 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0b48bde914fb7ebeda4cbd6fd329f7fd1281e3c3e233b6f5149c7b66a2f709ab Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> DEFORE [2023-08-30 02:03:01,554 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-30 02:03:01,577 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-30 02:03:01,578 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-30 02:03:01,579 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-30 02:03:01,579 INFO L275 PluginConnector]: CDTParser initialized [2023-08-30 02:03:01,580 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/chl-simpl-str-trans.wvr.c [2023-08-30 02:03:02,674 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-30 02:03:02,835 INFO L351 CDTParser]: Found 1 translation units. [2023-08-30 02:03:02,836 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-simpl-str-trans.wvr.c [2023-08-30 02:03:02,840 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dbffcc6f3/0a7aea7c7f024fcd92c665353cfdd454/FLAG2fa2ec476 [2023-08-30 02:03:02,852 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dbffcc6f3/0a7aea7c7f024fcd92c665353cfdd454 [2023-08-30 02:03:02,855 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-30 02:03:02,857 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-30 02:03:02,857 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-30 02:03:02,858 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-30 02:03:02,860 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-30 02:03:02,860 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 02:03:02" (1/1) ... [2023-08-30 02:03:02,861 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c1f320f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:03:02, skipping insertion in model container [2023-08-30 02:03:02,861 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 02:03:02" (1/1) ... [2023-08-30 02:03:02,865 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-30 02:03:02,880 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-30 02:03:03,028 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-simpl-str-trans.wvr.c[2514,2527] [2023-08-30 02:03:03,034 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 02:03:03,049 INFO L203 MainTranslator]: Completed pre-run [2023-08-30 02:03:03,080 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-simpl-str-trans.wvr.c[2514,2527] [2023-08-30 02:03:03,081 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 02:03:03,092 INFO L208 MainTranslator]: Completed translation [2023-08-30 02:03:03,094 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:03:03 WrapperNode [2023-08-30 02:03:03,094 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-30 02:03:03,095 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-30 02:03:03,095 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-30 02:03:03,095 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-30 02:03:03,099 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:03:03" (1/1) ... [2023-08-30 02:03:03,114 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:03:03" (1/1) ... [2023-08-30 02:03:03,137 INFO L138 Inliner]: procedures = 25, calls = 30, calls flagged for inlining = 8, calls inlined = 12, statements flattened = 160 [2023-08-30 02:03:03,138 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-30 02:03:03,138 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-30 02:03:03,139 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-30 02:03:03,139 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-30 02:03:03,144 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:03:03" (1/1) ... [2023-08-30 02:03:03,145 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:03:03" (1/1) ... [2023-08-30 02:03:03,158 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:03:03" (1/1) ... [2023-08-30 02:03:03,158 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:03:03" (1/1) ... [2023-08-30 02:03:03,166 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:03:03" (1/1) ... [2023-08-30 02:03:03,172 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:03:03" (1/1) ... [2023-08-30 02:03:03,173 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:03:03" (1/1) ... [2023-08-30 02:03:03,177 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:03:03" (1/1) ... [2023-08-30 02:03:03,179 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-30 02:03:03,182 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-30 02:03:03,182 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-30 02:03:03,182 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-30 02:03:03,183 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:03:03" (1/1) ... [2023-08-30 02:03:03,187 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 02:03:03,196 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-30 02:03:03,227 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) [2023-08-30 02:03:03,251 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 [2023-08-30 02:03:03,270 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-30 02:03:03,270 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-08-30 02:03:03,271 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-08-30 02:03:03,271 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-08-30 02:03:03,271 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-08-30 02:03:03,271 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-08-30 02:03:03,271 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-08-30 02:03:03,271 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-08-30 02:03:03,271 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-30 02:03:03,271 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-08-30 02:03:03,272 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-30 02:03:03,272 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-30 02:03:03,272 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-30 02:03:03,272 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-08-30 02:03:03,273 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-08-30 02:03:03,349 INFO L236 CfgBuilder]: Building ICFG [2023-08-30 02:03:03,351 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-30 02:03:03,793 INFO L277 CfgBuilder]: Performing block encoding [2023-08-30 02:03:03,801 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-30 02:03:03,801 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-08-30 02:03:03,803 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 02:03:03 BoogieIcfgContainer [2023-08-30 02:03:03,803 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-30 02:03:03,805 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-30 02:03:03,805 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-30 02:03:03,807 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-30 02:03:03,807 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.08 02:03:02" (1/3) ... [2023-08-30 02:03:03,808 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14234901 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 02:03:03, skipping insertion in model container [2023-08-30 02:03:03,808 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:03:03" (2/3) ... [2023-08-30 02:03:03,808 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14234901 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 02:03:03, skipping insertion in model container [2023-08-30 02:03:03,809 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 02:03:03" (3/3) ... [2023-08-30 02:03:03,810 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-simpl-str-trans.wvr.c [2023-08-30 02:03:03,822 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-30 02:03:03,823 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 14 error locations. [2023-08-30 02:03:03,823 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-30 02:03:03,910 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2023-08-30 02:03:03,915 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) [2023-08-30 02:03:03,918 INFO L158 Benchmark]: Toolchain (without parser) took 1060.90ms. Allocated memory was 69.2MB in the beginning and 92.3MB in the end (delta: 23.1MB). Free memory was 34.6MB in the beginning and 67.1MB in the end (delta: -32.5MB). Peak memory consumption was 17.5MB. Max. memory is 16.1GB. [2023-08-30 02:03:03,919 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 69.2MB. Free memory is still 46.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-08-30 02:03:03,919 INFO L158 Benchmark]: CACSL2BoogieTranslator took 236.64ms. Allocated memory is still 69.2MB. Free memory was 34.4MB in the beginning and 42.3MB in the end (delta: -7.9MB). Peak memory consumption was 5.3MB. Max. memory is 16.1GB. [2023-08-30 02:03:03,919 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.24ms. Allocated memory is still 69.2MB. Free memory was 42.3MB in the beginning and 40.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-30 02:03:03,920 INFO L158 Benchmark]: Boogie Preprocessor took 42.80ms. Allocated memory is still 69.2MB. Free memory was 40.2MB in the beginning and 38.5MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-30 02:03:03,920 INFO L158 Benchmark]: RCFGBuilder took 621.48ms. Allocated memory was 69.2MB in the beginning and 92.3MB in the end (delta: 23.1MB). Free memory was 38.5MB in the beginning and 57.4MB in the end (delta: -18.9MB). Peak memory consumption was 10.3MB. Max. memory is 16.1GB. [2023-08-30 02:03:03,921 INFO L158 Benchmark]: TraceAbstraction took 112.36ms. Allocated memory is still 92.3MB. Free memory was 57.1MB in the beginning and 67.1MB in the end (delta: -10.0MB). Peak memory consumption was 18.6MB. Max. memory is 16.1GB. [2023-08-30 02:03:03,923 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 69.2MB. Free memory is still 46.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 236.64ms. Allocated memory is still 69.2MB. Free memory was 34.4MB in the beginning and 42.3MB in the end (delta: -7.9MB). Peak memory consumption was 5.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 43.24ms. Allocated memory is still 69.2MB. Free memory was 42.3MB in the beginning and 40.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 42.80ms. Allocated memory is still 69.2MB. Free memory was 40.2MB in the beginning and 38.5MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 621.48ms. Allocated memory was 69.2MB in the beginning and 92.3MB in the end (delta: 23.1MB). Free memory was 38.5MB in the beginning and 57.4MB in the end (delta: -18.9MB). Peak memory consumption was 10.3MB. Max. memory is 16.1GB. * TraceAbstraction took 112.36ms. Allocated memory is still 92.3MB. Free memory was 57.1MB in the beginning and 67.1MB in the end (delta: -10.0MB). Peak memory consumption was 18.6MB. 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. [2023-08-30 02:03:03,936 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