./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/no-overflow.prp --file ../../../trunk/examples/svcomp/weaver/chl-match-trans.wvr.c --full-output --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations DEFORE --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows 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/weaver/chl-match-trans.wvr.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-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 ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4221a6bcee4165c3049aa9b16a70613c9e290b9c0a4ff35026a6f2dcff16f9ff --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 12:30:38,353 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-30 12:30:38,356 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-30 12:30:38,398 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-30 12:30:38,399 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-30 12:30:38,402 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-30 12:30:38,404 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-30 12:30:38,407 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-30 12:30:38,409 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-30 12:30:38,414 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-30 12:30:38,415 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-30 12:30:38,417 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-30 12:30:38,417 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-30 12:30:38,419 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-30 12:30:38,420 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-30 12:30:38,425 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-30 12:30:38,426 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-30 12:30:38,427 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-30 12:30:38,429 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-30 12:30:38,434 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-30 12:30:38,435 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-30 12:30:38,436 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-30 12:30:38,436 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-30 12:30:38,437 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-30 12:30:38,443 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-30 12:30:38,444 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-30 12:30:38,444 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-30 12:30:38,446 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-30 12:30:38,446 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-30 12:30:38,447 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-30 12:30:38,447 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-30 12:30:38,449 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-30 12:30:38,450 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-30 12:30:38,451 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-30 12:30:38,451 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-30 12:30:38,452 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-30 12:30:38,452 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-30 12:30:38,453 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-30 12:30:38,453 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-30 12:30:38,453 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-30 12:30:38,454 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-30 12:30:38,455 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2023-08-30 12:30:38,488 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-30 12:30:38,488 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-30 12:30:38,489 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-30 12:30:38,489 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-30 12:30:38,490 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-30 12:30:38,490 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-30 12:30:38,491 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-30 12:30:38,491 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-30 12:30:38,491 INFO L138 SettingsManager]: * Use SBE=true [2023-08-30 12:30:38,491 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-30 12:30:38,492 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-30 12:30:38,492 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-30 12:30:38,493 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-30 12:30:38,493 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-30 12:30:38,493 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-30 12:30:38,493 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-30 12:30:38,493 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-30 12:30:38,493 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-30 12:30:38,494 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2023-08-30 12:30:38,494 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-30 12:30:38,494 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-30 12:30:38,494 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-30 12:30:38,494 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-30 12:30:38,495 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-30 12:30:38,495 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-30 12:30:38,495 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-30 12:30:38,495 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 12:30:38,495 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-30 12:30:38,496 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-30 12:30:38,496 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-30 12:30:38,496 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-30 12:30:38,496 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-30 12:30:38,497 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-30 12:30:38,497 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-30 12:30:38,497 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-30 12:30:38,497 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-30 12:30:38,497 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-30 12:30:38,497 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4221a6bcee4165c3049aa9b16a70613c9e290b9c0a4ff35026a6f2dcff16f9ff Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> DEFORE [2023-08-30 12:30:38,831 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-30 12:30:38,852 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-30 12:30:38,854 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-30 12:30:38,855 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-30 12:30:38,856 INFO L275 PluginConnector]: CDTParser initialized [2023-08-30 12:30:38,857 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/chl-match-trans.wvr.c [2023-08-30 12:30:39,939 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-30 12:30:40,164 INFO L351 CDTParser]: Found 1 translation units. [2023-08-30 12:30:40,164 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-match-trans.wvr.c [2023-08-30 12:30:40,172 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/25abc976b/87401366e8054f25931fa06e06d98344/FLAGb613bab65 [2023-08-30 12:30:40,188 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/25abc976b/87401366e8054f25931fa06e06d98344 [2023-08-30 12:30:40,190 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-30 12:30:40,190 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-30 12:30:40,191 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-30 12:30:40,192 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-30 12:30:40,199 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-30 12:30:40,199 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 12:30:40" (1/1) ... [2023-08-30 12:30:40,200 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f825dd3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:30:40, skipping insertion in model container [2023-08-30 12:30:40,201 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 12:30:40" (1/1) ... [2023-08-30 12:30:40,208 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-30 12:30:40,232 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-30 12:30:40,417 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-match-trans.wvr.c[2954,2967] [2023-08-30 12:30:40,430 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 12:30:40,440 INFO L203 MainTranslator]: Completed pre-run [2023-08-30 12:30:40,479 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-match-trans.wvr.c[2954,2967] [2023-08-30 12:30:40,483 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 12:30:40,498 INFO L208 MainTranslator]: Completed translation [2023-08-30 12:30:40,499 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:30:40 WrapperNode [2023-08-30 12:30:40,499 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-30 12:30:40,500 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-30 12:30:40,500 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-30 12:30:40,500 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-30 12:30:40,506 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:30:40" (1/1) ... [2023-08-30 12:30:40,523 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:30:40" (1/1) ... [2023-08-30 12:30:40,564 INFO L138 Inliner]: procedures = 23, calls = 33, calls flagged for inlining = 11, calls inlined = 21, statements flattened = 295 [2023-08-30 12:30:40,565 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-30 12:30:40,566 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-30 12:30:40,566 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-30 12:30:40,566 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-30 12:30:40,574 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:30:40" (1/1) ... [2023-08-30 12:30:40,575 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:30:40" (1/1) ... [2023-08-30 12:30:40,589 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:30:40" (1/1) ... [2023-08-30 12:30:40,590 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:30:40" (1/1) ... [2023-08-30 12:30:40,596 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:30:40" (1/1) ... [2023-08-30 12:30:40,610 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:30:40" (1/1) ... [2023-08-30 12:30:40,613 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:30:40" (1/1) ... [2023-08-30 12:30:40,619 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:30:40" (1/1) ... [2023-08-30 12:30:40,621 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-30 12:30:40,624 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-30 12:30:40,625 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-30 12:30:40,625 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-30 12:30:40,626 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:30:40" (1/1) ... [2023-08-30 12:30:40,631 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 12:30:40,642 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-30 12:30:40,662 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 12:30:40,674 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 12:30:40,703 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-30 12:30:40,703 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-08-30 12:30:40,703 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-08-30 12:30:40,703 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-08-30 12:30:40,704 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-08-30 12:30:40,704 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-08-30 12:30:40,704 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-08-30 12:30:40,704 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-30 12:30:40,704 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-30 12:30:40,704 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-30 12:30:40,705 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-30 12:30:40,705 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-30 12:30:40,705 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-30 12:30:40,705 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-30 12:30:40,707 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 12:30:40,844 INFO L236 CfgBuilder]: Building ICFG [2023-08-30 12:30:40,861 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-30 12:30:41,404 INFO L277 CfgBuilder]: Performing block encoding [2023-08-30 12:30:41,418 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-30 12:30:41,419 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-08-30 12:30:41,421 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 12:30:41 BoogieIcfgContainer [2023-08-30 12:30:41,422 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-30 12:30:41,423 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-30 12:30:41,424 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-30 12:30:41,426 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-30 12:30:41,426 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.08 12:30:40" (1/3) ... [2023-08-30 12:30:41,427 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@495594c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 12:30:41, skipping insertion in model container [2023-08-30 12:30:41,427 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:30:40" (2/3) ... [2023-08-30 12:30:41,428 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@495594c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 12:30:41, skipping insertion in model container [2023-08-30 12:30:41,428 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 12:30:41" (3/3) ... [2023-08-30 12:30:41,429 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-match-trans.wvr.c [2023-08-30 12:30:41,436 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-30 12:30:41,445 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-30 12:30:41,445 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 36 error locations. [2023-08-30 12:30:41,445 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-30 12:30:41,587 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2023-08-30 12:30:41,593 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 12:30:41,598 INFO L158 Benchmark]: Toolchain (without parser) took 1406.07ms. Allocated memory is still 88.1MB. Free memory was 66.0MB in the beginning and 47.0MB in the end (delta: 19.0MB). Peak memory consumption was 33.7MB. Max. memory is 16.1GB. [2023-08-30 12:30:41,599 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 62.9MB. Free memory was 40.7MB in the beginning and 40.6MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. [2023-08-30 12:30:41,600 INFO L158 Benchmark]: CACSL2BoogieTranslator took 307.70ms. Allocated memory is still 88.1MB. Free memory was 65.8MB in the beginning and 54.0MB in the end (delta: 11.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-08-30 12:30:41,600 INFO L158 Benchmark]: Boogie Procedure Inliner took 65.01ms. Allocated memory is still 88.1MB. Free memory was 54.0MB in the beginning and 51.4MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-30 12:30:41,601 INFO L158 Benchmark]: Boogie Preprocessor took 57.40ms. Allocated memory is still 88.1MB. Free memory was 51.4MB in the beginning and 49.5MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. [2023-08-30 12:30:41,602 INFO L158 Benchmark]: RCFGBuilder took 798.05ms. Allocated memory is still 88.1MB. Free memory was 49.5MB in the beginning and 44.3MB in the end (delta: 5.2MB). Peak memory consumption was 13.0MB. Max. memory is 16.1GB. [2023-08-30 12:30:41,602 INFO L158 Benchmark]: TraceAbstraction took 172.48ms. Allocated memory is still 88.1MB. Free memory was 43.9MB in the beginning and 47.0MB in the end (delta: -3.1MB). Peak memory consumption was 8.1MB. Max. memory is 16.1GB. [2023-08-30 12:30:41,611 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 62.9MB. Free memory was 40.7MB in the beginning and 40.6MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 307.70ms. Allocated memory is still 88.1MB. Free memory was 65.8MB in the beginning and 54.0MB in the end (delta: 11.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 65.01ms. Allocated memory is still 88.1MB. Free memory was 54.0MB in the beginning and 51.4MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 57.40ms. Allocated memory is still 88.1MB. Free memory was 51.4MB in the beginning and 49.5MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 798.05ms. Allocated memory is still 88.1MB. Free memory was 49.5MB in the beginning and 44.3MB in the end (delta: 5.2MB). Peak memory consumption was 13.0MB. Max. memory is 16.1GB. * TraceAbstraction took 172.48ms. Allocated memory is still 88.1MB. Free memory was 43.9MB in the beginning and 47.0MB in the end (delta: -3.1MB). Peak memory consumption was 8.1MB. 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 12:30:41,633 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/weaver/chl-match-trans.wvr.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-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 ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4221a6bcee4165c3049aa9b16a70613c9e290b9c0a4ff35026a6f2dcff16f9ff --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 12:30:43,492 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-30 12:30:43,494 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-30 12:30:43,537 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-30 12:30:43,539 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-30 12:30:43,542 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-30 12:30:43,544 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-30 12:30:43,547 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-30 12:30:43,549 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-30 12:30:43,553 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-30 12:30:43,554 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-30 12:30:43,556 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-30 12:30:43,556 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-30 12:30:43,559 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-30 12:30:43,560 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-30 12:30:43,565 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-30 12:30:43,566 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-30 12:30:43,567 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-30 12:30:43,568 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-30 12:30:43,573 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-30 12:30:43,585 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-30 12:30:43,586 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-30 12:30:43,587 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-30 12:30:43,588 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-30 12:30:43,594 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-30 12:30:43,594 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-30 12:30:43,595 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-30 12:30:43,596 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-30 12:30:43,597 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-30 12:30:43,597 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-30 12:30:43,598 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-30 12:30:43,604 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-30 12:30:43,605 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-30 12:30:43,606 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-30 12:30:43,607 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-30 12:30:43,607 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-30 12:30:43,608 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-30 12:30:43,608 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-30 12:30:43,608 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-30 12:30:43,609 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-30 12:30:43,610 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-30 12:30:43,611 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Bitvector.epf [2023-08-30 12:30:43,643 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-30 12:30:43,644 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-30 12:30:43,645 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-30 12:30:43,645 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-30 12:30:43,646 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-30 12:30:43,646 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-30 12:30:43,647 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-30 12:30:43,647 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-30 12:30:43,647 INFO L138 SettingsManager]: * Use SBE=true [2023-08-30 12:30:43,648 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-30 12:30:43,648 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-30 12:30:43,649 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-30 12:30:43,649 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-30 12:30:43,649 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-30 12:30:43,649 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-30 12:30:43,649 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-30 12:30:43,649 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-30 12:30:43,650 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-08-30 12:30:43,650 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2023-08-30 12:30:43,650 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2023-08-30 12:30:43,650 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-08-30 12:30:43,650 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-30 12:30:43,651 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-30 12:30:43,651 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-30 12:30:43,651 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-30 12:30:43,651 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-30 12:30:43,651 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-30 12:30:43,652 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-30 12:30:43,652 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 12:30:43,652 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-30 12:30:43,652 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-30 12:30:43,652 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-30 12:30:43,653 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2023-08-30 12:30:43,653 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-08-30 12:30:43,653 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-30 12:30:43,653 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-30 12:30:43,653 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-30 12:30:43,654 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-30 12:30:43,654 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2023-08-30 12:30:43,654 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-30 12:30:43,654 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4221a6bcee4165c3049aa9b16a70613c9e290b9c0a4ff35026a6f2dcff16f9ff Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> DEFORE [2023-08-30 12:30:43,957 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-30 12:30:43,974 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-30 12:30:43,976 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-30 12:30:43,977 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-30 12:30:43,978 INFO L275 PluginConnector]: CDTParser initialized [2023-08-30 12:30:43,980 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/chl-match-trans.wvr.c [2023-08-30 12:30:45,124 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-30 12:30:45,333 INFO L351 CDTParser]: Found 1 translation units. [2023-08-30 12:30:45,334 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-match-trans.wvr.c [2023-08-30 12:30:45,340 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ac99e4bd7/b2201c86c977489db06bee05328bfd93/FLAGfba51acab [2023-08-30 12:30:45,360 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ac99e4bd7/b2201c86c977489db06bee05328bfd93 [2023-08-30 12:30:45,365 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-30 12:30:45,366 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-30 12:30:45,369 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-30 12:30:45,369 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-30 12:30:45,372 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-30 12:30:45,372 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 12:30:45" (1/1) ... [2023-08-30 12:30:45,373 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6535e250 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:30:45, skipping insertion in model container [2023-08-30 12:30:45,374 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 12:30:45" (1/1) ... [2023-08-30 12:30:45,379 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-30 12:30:45,400 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-30 12:30:45,535 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-match-trans.wvr.c[2954,2967] [2023-08-30 12:30:45,541 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 12:30:45,561 INFO L203 MainTranslator]: Completed pre-run [2023-08-30 12:30:45,596 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-match-trans.wvr.c[2954,2967] [2023-08-30 12:30:45,612 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 12:30:45,635 INFO L208 MainTranslator]: Completed translation [2023-08-30 12:30:45,636 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:30:45 WrapperNode [2023-08-30 12:30:45,636 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-30 12:30:45,637 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-30 12:30:45,637 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-30 12:30:45,637 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-30 12:30:45,643 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:30:45" (1/1) ... [2023-08-30 12:30:45,662 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:30:45" (1/1) ... [2023-08-30 12:30:45,700 INFO L138 Inliner]: procedures = 25, calls = 33, calls flagged for inlining = 11, calls inlined = 21, statements flattened = 280 [2023-08-30 12:30:45,702 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-30 12:30:45,703 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-30 12:30:45,703 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-30 12:30:45,703 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-30 12:30:45,711 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:30:45" (1/1) ... [2023-08-30 12:30:45,711 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:30:45" (1/1) ... [2023-08-30 12:30:45,726 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:30:45" (1/1) ... [2023-08-30 12:30:45,728 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:30:45" (1/1) ... [2023-08-30 12:30:45,745 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:30:45" (1/1) ... [2023-08-30 12:30:45,749 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:30:45" (1/1) ... [2023-08-30 12:30:45,758 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:30:45" (1/1) ... [2023-08-30 12:30:45,760 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:30:45" (1/1) ... [2023-08-30 12:30:45,763 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-30 12:30:45,764 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-30 12:30:45,764 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-30 12:30:45,764 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-30 12:30:45,769 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:30:45" (1/1) ... [2023-08-30 12:30:45,773 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 12:30:45,785 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-30 12:30:45,798 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 12:30:45,826 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 12:30:45,839 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-30 12:30:45,840 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-08-30 12:30:45,840 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-08-30 12:30:45,840 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-08-30 12:30:45,840 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-08-30 12:30:45,840 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-08-30 12:30:45,840 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-08-30 12:30:45,840 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-08-30 12:30:45,840 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-30 12:30:45,841 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-08-30 12:30:45,841 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-30 12:30:45,841 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-30 12:30:45,841 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-30 12:30:45,841 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-08-30 12:30:45,843 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 12:30:46,009 INFO L236 CfgBuilder]: Building ICFG [2023-08-30 12:30:46,011 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-30 12:30:46,510 INFO L277 CfgBuilder]: Performing block encoding [2023-08-30 12:30:46,522 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-30 12:30:46,522 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-08-30 12:30:46,525 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 12:30:46 BoogieIcfgContainer [2023-08-30 12:30:46,525 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-30 12:30:46,527 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-30 12:30:46,527 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-30 12:30:46,529 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-30 12:30:46,530 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.08 12:30:45" (1/3) ... [2023-08-30 12:30:46,530 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@199527bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 12:30:46, skipping insertion in model container [2023-08-30 12:30:46,530 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:30:45" (2/3) ... [2023-08-30 12:30:46,531 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@199527bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 12:30:46, skipping insertion in model container [2023-08-30 12:30:46,531 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 12:30:46" (3/3) ... [2023-08-30 12:30:46,532 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-match-trans.wvr.c [2023-08-30 12:30:46,539 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-30 12:30:46,547 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-30 12:30:46,547 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 36 error locations. [2023-08-30 12:30:46,547 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-30 12:30:46,752 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2023-08-30 12:30:46,758 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 12:30:46,762 INFO L158 Benchmark]: Toolchain (without parser) took 1395.08ms. Allocated memory is still 79.7MB. Free memory was 52.8MB in the beginning and 52.7MB in the end (delta: 118.0kB). Peak memory consumption was 27.0MB. Max. memory is 16.1GB. [2023-08-30 12:30:46,762 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 58.7MB. Free memory was 36.5MB in the beginning and 36.4MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-08-30 12:30:46,763 INFO L158 Benchmark]: CACSL2BoogieTranslator took 266.77ms. Allocated memory is still 79.7MB. Free memory was 52.6MB in the beginning and 59.7MB in the end (delta: -7.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-08-30 12:30:46,763 INFO L158 Benchmark]: Boogie Procedure Inliner took 64.85ms. Allocated memory is still 79.7MB. Free memory was 59.7MB in the beginning and 57.0MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-30 12:30:46,764 INFO L158 Benchmark]: Boogie Preprocessor took 60.15ms. Allocated memory is still 79.7MB. Free memory was 57.0MB in the beginning and 54.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-30 12:30:46,764 INFO L158 Benchmark]: RCFGBuilder took 761.16ms. Allocated memory is still 79.7MB. Free memory was 54.5MB in the beginning and 50.7MB in the end (delta: 3.8MB). Peak memory consumption was 25.3MB. Max. memory is 16.1GB. [2023-08-30 12:30:46,765 INFO L158 Benchmark]: TraceAbstraction took 233.47ms. Allocated memory is still 79.7MB. Free memory was 49.8MB in the beginning and 52.7MB in the end (delta: -2.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2023-08-30 12:30:46,767 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 58.7MB. Free memory was 36.5MB in the beginning and 36.4MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 266.77ms. Allocated memory is still 79.7MB. Free memory was 52.6MB in the beginning and 59.7MB in the end (delta: -7.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 64.85ms. Allocated memory is still 79.7MB. Free memory was 59.7MB in the beginning and 57.0MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 60.15ms. Allocated memory is still 79.7MB. Free memory was 57.0MB in the beginning and 54.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 761.16ms. Allocated memory is still 79.7MB. Free memory was 54.5MB in the beginning and 50.7MB in the end (delta: 3.8MB). Peak memory consumption was 25.3MB. Max. memory is 16.1GB. * TraceAbstraction took 233.47ms. Allocated memory is still 79.7MB. Free memory was 49.8MB in the beginning and 52.7MB in the end (delta: -2.9MB). Peak memory consumption was 25.2MB. 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 12:30:46,788 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