./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/no-data-race.prp --file ../../../trunk/examples/svcomp/weaver/bench-exp2x6.wvr.c --full-output --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations DEFORE --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version b8dbc81d Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../../../trunk/examples/svcomp/weaver/bench-exp2x6.wvr.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 19006bb1633253053764e43b8bfff1653449498b05ea53714e3311a41e35d730 --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations DEFORE --- Real Ultimate output --- This is Ultimate 0.2.3-?-b8dbc81 [2023-08-29 09:11:33,160 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-29 09:11:33,162 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-29 09:11:33,204 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-29 09:11:33,205 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-29 09:11:33,208 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-29 09:11:33,210 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-29 09:11:33,212 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-29 09:11:33,215 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-29 09:11:33,219 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-29 09:11:33,220 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-29 09:11:33,222 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-29 09:11:33,222 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-29 09:11:33,224 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-29 09:11:33,225 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-29 09:11:33,230 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-29 09:11:33,231 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-29 09:11:33,232 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-29 09:11:33,233 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-29 09:11:33,247 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-29 09:11:33,248 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-29 09:11:33,249 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-29 09:11:33,250 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-29 09:11:33,251 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-29 09:11:33,257 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-29 09:11:33,257 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-29 09:11:33,258 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-29 09:11:33,260 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-29 09:11:33,260 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-29 09:11:33,261 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-29 09:11:33,265 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-29 09:11:33,267 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-29 09:11:33,268 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-29 09:11:33,270 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-29 09:11:33,271 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-29 09:11:33,271 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-29 09:11:33,272 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-29 09:11:33,272 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-29 09:11:33,272 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-29 09:11:33,273 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-29 09:11:33,273 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-29 09:11:33,275 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-08-29 09:11:33,310 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-29 09:11:33,310 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-29 09:11:33,311 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-29 09:11:33,312 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-29 09:11:33,312 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-29 09:11:33,312 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-29 09:11:33,313 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-29 09:11:33,313 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-29 09:11:33,313 INFO L138 SettingsManager]: * Use SBE=true [2023-08-29 09:11:33,314 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-29 09:11:33,314 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-29 09:11:33,315 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-29 09:11:33,315 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-29 09:11:33,315 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-29 09:11:33,315 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-29 09:11:33,315 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-29 09:11:33,316 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-29 09:11:33,316 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-29 09:11:33,316 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-08-29 09:11:33,316 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-29 09:11:33,316 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-29 09:11:33,316 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-29 09:11:33,317 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-29 09:11:33,317 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-29 09:11:33,317 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-29 09:11:33,317 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-29 09:11:33,317 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 09:11:33,318 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-29 09:11:33,318 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-29 09:11:33,318 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-29 09:11:33,318 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-29 09:11:33,318 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-29 09:11:33,319 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-29 09:11:33,319 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-29 09:11:33,319 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-29 09:11:33,319 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-29 09:11:33,319 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-29 09:11:33,320 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 19006bb1633253053764e43b8bfff1653449498b05ea53714e3311a41e35d730 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> DEFORE [2023-08-29 09:11:33,616 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-29 09:11:33,636 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-29 09:11:33,640 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-29 09:11:33,641 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-29 09:11:33,641 INFO L275 PluginConnector]: CDTParser initialized [2023-08-29 09:11:33,642 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/bench-exp2x6.wvr.c [2023-08-29 09:11:34,778 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-29 09:11:35,002 INFO L351 CDTParser]: Found 1 translation units. [2023-08-29 09:11:35,003 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/bench-exp2x6.wvr.c [2023-08-29 09:11:35,014 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a1221a15b/a079a6794d144cce93d48efa0e28db7c/FLAG78bdce508 [2023-08-29 09:11:35,031 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a1221a15b/a079a6794d144cce93d48efa0e28db7c [2023-08-29 09:11:35,033 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-29 09:11:35,035 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-29 09:11:35,037 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-29 09:11:35,037 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-29 09:11:35,040 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-29 09:11:35,041 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 09:11:35" (1/1) ... [2023-08-29 09:11:35,042 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1fa13ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:11:35, skipping insertion in model container [2023-08-29 09:11:35,042 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 09:11:35" (1/1) ... [2023-08-29 09:11:35,048 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-29 09:11:35,066 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-29 09:11:35,213 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/bench-exp2x6.wvr.c[2453,2466] [2023-08-29 09:11:35,215 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 09:11:35,227 INFO L203 MainTranslator]: Completed pre-run [2023-08-29 09:11:35,270 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/bench-exp2x6.wvr.c[2453,2466] [2023-08-29 09:11:35,272 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 09:11:35,288 INFO L208 MainTranslator]: Completed translation [2023-08-29 09:11:35,288 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:11:35 WrapperNode [2023-08-29 09:11:35,288 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-29 09:11:35,289 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-29 09:11:35,289 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-29 09:11:35,289 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-29 09:11:35,294 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:11:35" (1/1) ... [2023-08-29 09:11:35,303 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:11:35" (1/1) ... [2023-08-29 09:11:35,325 INFO L138 Inliner]: procedures = 20, calls = 32, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 172 [2023-08-29 09:11:35,325 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-29 09:11:35,326 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-29 09:11:35,326 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-29 09:11:35,326 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-29 09:11:35,334 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:11:35" (1/1) ... [2023-08-29 09:11:35,334 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:11:35" (1/1) ... [2023-08-29 09:11:35,339 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:11:35" (1/1) ... [2023-08-29 09:11:35,341 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:11:35" (1/1) ... [2023-08-29 09:11:35,354 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:11:35" (1/1) ... [2023-08-29 09:11:35,373 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:11:35" (1/1) ... [2023-08-29 09:11:35,380 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:11:35" (1/1) ... [2023-08-29 09:11:35,391 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:11:35" (1/1) ... [2023-08-29 09:11:35,394 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-29 09:11:35,395 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-29 09:11:35,395 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-29 09:11:35,395 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-29 09:11:35,395 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:11:35" (1/1) ... [2023-08-29 09:11:35,401 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 09:11:35,410 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-29 09:11:35,421 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-08-29 09:11:35,448 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-08-29 09:11:35,461 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-29 09:11:35,461 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-08-29 09:11:35,462 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-08-29 09:11:35,462 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-08-29 09:11:35,462 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-08-29 09:11:35,463 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-08-29 09:11:35,463 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-08-29 09:11:35,463 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2023-08-29 09:11:35,463 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2023-08-29 09:11:35,463 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-29 09:11:35,463 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-29 09:11:35,463 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-29 09:11:35,463 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-29 09:11:35,464 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-29 09:11:35,464 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-29 09:11:35,464 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-29 09:11:35,465 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-08-29 09:11:35,631 INFO L236 CfgBuilder]: Building ICFG [2023-08-29 09:11:35,632 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-29 09:11:36,160 INFO L277 CfgBuilder]: Performing block encoding [2023-08-29 09:11:36,172 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-29 09:11:36,172 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-08-29 09:11:36,174 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 09:11:36 BoogieIcfgContainer [2023-08-29 09:11:36,174 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-29 09:11:36,176 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-29 09:11:36,176 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-29 09:11:36,178 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-29 09:11:36,179 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.08 09:11:35" (1/3) ... [2023-08-29 09:11:36,179 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e054d1e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 09:11:36, skipping insertion in model container [2023-08-29 09:11:36,179 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:11:35" (2/3) ... [2023-08-29 09:11:36,179 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e054d1e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 09:11:36, skipping insertion in model container [2023-08-29 09:11:36,180 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 09:11:36" (3/3) ... [2023-08-29 09:11:36,181 INFO L112 eAbstractionObserver]: Analyzing ICFG bench-exp2x6.wvr.c [2023-08-29 09:11:36,187 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-29 09:11:36,195 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-29 09:11:36,196 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 75 error locations. [2023-08-29 09:11:36,196 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-29 09:11:36,399 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2023-08-29 09:11:36,405 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.IllegalArgumentException: No enum constant de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TraceAbstractionPreferenceInitializer.InsufficientError.DEFORE at java.base/java.lang.Enum.valueOf(Enum.java:240) at de.uni_freiburg.informatik.ultimate.core.preferences.RcpPreferenceProvider.getEnum(RcpPreferenceProvider.java:117) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TAPreferences.insufficientThreadErrorsVsProgramErrors(TAPreferences.java:218) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.partitionErrorLocations(TraceAbstractionStarter.java:394) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:280) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:225) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:173) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-08-29 09:11:36,411 INFO L158 Benchmark]: Toolchain (without parser) took 1374.78ms. Allocated memory is still 71.3MB. Free memory was 46.6MB in the beginning and 44.8MB in the end (delta: 1.9MB). Peak memory consumption was 26.8MB. Max. memory is 16.1GB. [2023-08-29 09:11:36,411 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 56.6MB. Free memory was 34.4MB in the beginning and 34.4MB in the end (delta: 44.5kB). There was no memory consumed. Max. memory is 16.1GB. [2023-08-29 09:11:36,412 INFO L158 Benchmark]: CACSL2BoogieTranslator took 251.30ms. Allocated memory is still 71.3MB. Free memory was 46.5MB in the beginning and 51.5MB in the end (delta: -5.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-08-29 09:11:36,413 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.29ms. Allocated memory is still 71.3MB. Free memory was 51.2MB in the beginning and 49.3MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-29 09:11:36,414 INFO L158 Benchmark]: Boogie Preprocessor took 68.19ms. Allocated memory is still 71.3MB. Free memory was 49.3MB in the beginning and 47.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-29 09:11:36,414 INFO L158 Benchmark]: RCFGBuilder took 779.16ms. Allocated memory is still 71.3MB. Free memory was 46.9MB in the beginning and 38.9MB in the end (delta: 8.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-08-29 09:11:36,415 INFO L158 Benchmark]: TraceAbstraction took 233.31ms. Allocated memory is still 71.3MB. Free memory was 38.5MB in the beginning and 44.8MB in the end (delta: -6.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-08-29 09:11:36,422 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 56.6MB. Free memory was 34.4MB in the beginning and 34.4MB in the end (delta: 44.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 251.30ms. Allocated memory is still 71.3MB. Free memory was 46.5MB in the beginning and 51.5MB in the end (delta: -5.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 36.29ms. Allocated memory is still 71.3MB. Free memory was 51.2MB in the beginning and 49.3MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 68.19ms. Allocated memory is still 71.3MB. Free memory was 49.3MB in the beginning and 47.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 779.16ms. Allocated memory is still 71.3MB. Free memory was 46.9MB in the beginning and 38.9MB in the end (delta: 8.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * TraceAbstraction took 233.31ms. Allocated memory is still 71.3MB. Free memory was 38.5MB in the beginning and 44.8MB in the end (delta: -6.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: IllegalArgumentException: No enum constant de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TraceAbstractionPreferenceInitializer.InsufficientError.DEFORE de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: IllegalArgumentException: No enum constant de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TraceAbstractionPreferenceInitializer.InsufficientError.DEFORE: java.base/java.lang.Enum.valueOf(Enum.java:240) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-08-29 09:11:36,445 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 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/bench-exp2x6.wvr.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 19006bb1633253053764e43b8bfff1653449498b05ea53714e3311a41e35d730 --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations DEFORE --- Real Ultimate output --- This is Ultimate 0.2.3-?-b8dbc81 [2023-08-29 09:11:38,333 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-29 09:11:38,335 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-29 09:11:38,379 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-29 09:11:38,379 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-29 09:11:38,382 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-29 09:11:38,384 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-29 09:11:38,386 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-29 09:11:38,388 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-29 09:11:38,392 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-29 09:11:38,393 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-29 09:11:38,396 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-29 09:11:38,396 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-29 09:11:38,398 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-29 09:11:38,399 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-29 09:11:38,404 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-29 09:11:38,405 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-29 09:11:38,406 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-29 09:11:38,408 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-29 09:11:38,413 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-29 09:11:38,422 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-29 09:11:38,423 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-29 09:11:38,424 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-29 09:11:38,424 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-29 09:11:38,430 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-29 09:11:38,431 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-29 09:11:38,431 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-29 09:11:38,433 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-29 09:11:38,435 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-29 09:11:38,435 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-29 09:11:38,436 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-29 09:11:38,437 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-29 09:11:38,439 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-29 09:11:38,439 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-29 09:11:38,440 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-29 09:11:38,440 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-29 09:11:38,441 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-29 09:11:38,441 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-29 09:11:38,441 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-29 09:11:38,442 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-29 09:11:38,443 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-29 09:11:38,444 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Bitvector.epf [2023-08-29 09:11:38,477 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-29 09:11:38,477 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-29 09:11:38,478 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-29 09:11:38,478 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-29 09:11:38,479 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-29 09:11:38,479 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-29 09:11:38,480 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-29 09:11:38,480 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-29 09:11:38,480 INFO L138 SettingsManager]: * Use SBE=true [2023-08-29 09:11:38,480 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-29 09:11:38,481 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-29 09:11:38,482 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-29 09:11:38,482 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-29 09:11:38,482 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-29 09:11:38,482 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-29 09:11:38,482 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-29 09:11:38,482 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-29 09:11:38,483 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-08-29 09:11:38,483 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2023-08-29 09:11:38,483 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-08-29 09:11:38,483 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-29 09:11:38,487 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-29 09:11:38,487 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-29 09:11:38,488 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-29 09:11:38,488 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-29 09:11:38,489 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-29 09:11:38,489 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-29 09:11:38,489 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 09:11:38,489 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-29 09:11:38,489 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-29 09:11:38,490 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-29 09:11:38,490 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2023-08-29 09:11:38,490 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-08-29 09:11:38,490 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-29 09:11:38,491 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-29 09:11:38,491 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-29 09:11:38,491 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-29 09:11:38,491 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2023-08-29 09:11:38,491 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-29 09:11:38,491 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 19006bb1633253053764e43b8bfff1653449498b05ea53714e3311a41e35d730 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> DEFORE [2023-08-29 09:11:38,787 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-29 09:11:38,806 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-29 09:11:38,809 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-29 09:11:38,809 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-29 09:11:38,810 INFO L275 PluginConnector]: CDTParser initialized [2023-08-29 09:11:38,811 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/bench-exp2x6.wvr.c [2023-08-29 09:11:40,078 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-29 09:11:40,264 INFO L351 CDTParser]: Found 1 translation units. [2023-08-29 09:11:40,265 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/bench-exp2x6.wvr.c [2023-08-29 09:11:40,270 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/48f346575/8ed4cd9241014b21848ce9d3970d3aa0/FLAG194d19fb3 [2023-08-29 09:11:40,285 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/48f346575/8ed4cd9241014b21848ce9d3970d3aa0 [2023-08-29 09:11:40,287 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-29 09:11:40,288 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-29 09:11:40,289 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-29 09:11:40,289 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-29 09:11:40,294 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-29 09:11:40,295 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 09:11:40" (1/1) ... [2023-08-29 09:11:40,295 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@407e26fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:11:40, skipping insertion in model container [2023-08-29 09:11:40,295 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 09:11:40" (1/1) ... [2023-08-29 09:11:40,301 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-29 09:11:40,318 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-29 09:11:40,467 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/bench-exp2x6.wvr.c[2453,2466] [2023-08-29 09:11:40,469 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 09:11:40,479 INFO L203 MainTranslator]: Completed pre-run [2023-08-29 09:11:40,507 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/bench-exp2x6.wvr.c[2453,2466] [2023-08-29 09:11:40,509 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 09:11:40,522 INFO L208 MainTranslator]: Completed translation [2023-08-29 09:11:40,522 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:11:40 WrapperNode [2023-08-29 09:11:40,522 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-29 09:11:40,523 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-29 09:11:40,523 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-29 09:11:40,524 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-29 09:11:40,529 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:11:40" (1/1) ... [2023-08-29 09:11:40,539 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:11:40" (1/1) ... [2023-08-29 09:11:40,579 INFO L138 Inliner]: procedures = 22, calls = 32, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 172 [2023-08-29 09:11:40,579 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-29 09:11:40,580 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-29 09:11:40,580 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-29 09:11:40,580 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-29 09:11:40,589 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:11:40" (1/1) ... [2023-08-29 09:11:40,589 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:11:40" (1/1) ... [2023-08-29 09:11:40,595 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:11:40" (1/1) ... [2023-08-29 09:11:40,595 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:11:40" (1/1) ... [2023-08-29 09:11:40,613 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:11:40" (1/1) ... [2023-08-29 09:11:40,616 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:11:40" (1/1) ... [2023-08-29 09:11:40,618 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:11:40" (1/1) ... [2023-08-29 09:11:40,620 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:11:40" (1/1) ... [2023-08-29 09:11:40,623 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-29 09:11:40,624 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-29 09:11:40,624 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-29 09:11:40,624 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-29 09:11:40,625 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:11:40" (1/1) ... [2023-08-29 09:11:40,645 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 09:11:40,657 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-29 09:11:40,674 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-08-29 09:11:40,683 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-08-29 09:11:40,735 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-29 09:11:40,735 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-08-29 09:11:40,736 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-08-29 09:11:40,736 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-08-29 09:11:40,736 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-08-29 09:11:40,736 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-08-29 09:11:40,736 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-08-29 09:11:40,736 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-08-29 09:11:40,737 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2023-08-29 09:11:40,737 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2023-08-29 09:11:40,737 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-29 09:11:40,737 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-08-29 09:11:40,737 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-29 09:11:40,737 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-29 09:11:40,738 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-29 09:11:40,738 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-08-29 09:11:40,739 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-08-29 09:11:40,858 INFO L236 CfgBuilder]: Building ICFG [2023-08-29 09:11:40,859 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-29 09:11:41,393 INFO L277 CfgBuilder]: Performing block encoding [2023-08-29 09:11:41,405 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-29 09:11:41,405 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-08-29 09:11:41,408 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 09:11:41 BoogieIcfgContainer [2023-08-29 09:11:41,408 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-29 09:11:41,410 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-29 09:11:41,410 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-29 09:11:41,412 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-29 09:11:41,413 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.08 09:11:40" (1/3) ... [2023-08-29 09:11:41,413 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ffac512 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 09:11:41, skipping insertion in model container [2023-08-29 09:11:41,413 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:11:40" (2/3) ... [2023-08-29 09:11:41,414 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ffac512 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 09:11:41, skipping insertion in model container [2023-08-29 09:11:41,414 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 09:11:41" (3/3) ... [2023-08-29 09:11:41,415 INFO L112 eAbstractionObserver]: Analyzing ICFG bench-exp2x6.wvr.c [2023-08-29 09:11:41,421 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-29 09:11:41,429 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-29 09:11:41,429 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 75 error locations. [2023-08-29 09:11:41,429 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-29 09:11:41,588 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2023-08-29 09:11:41,594 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.IllegalArgumentException: No enum constant de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TraceAbstractionPreferenceInitializer.InsufficientError.DEFORE at java.base/java.lang.Enum.valueOf(Enum.java:240) at de.uni_freiburg.informatik.ultimate.core.preferences.RcpPreferenceProvider.getEnum(RcpPreferenceProvider.java:117) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TAPreferences.insufficientThreadErrorsVsProgramErrors(TAPreferences.java:218) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.partitionErrorLocations(TraceAbstractionStarter.java:394) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:280) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:225) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:173) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-08-29 09:11:41,599 INFO L158 Benchmark]: Toolchain (without parser) took 1310.21ms. Allocated memory is still 73.4MB. Free memory was 41.0MB in the beginning and 25.9MB in the end (delta: 15.1MB). Peak memory consumption was 19.5MB. Max. memory is 16.1GB. [2023-08-29 09:11:41,599 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 54.5MB. Free memory was 32.1MB in the beginning and 32.0MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-08-29 09:11:41,600 INFO L158 Benchmark]: CACSL2BoogieTranslator took 233.78ms. Allocated memory is still 73.4MB. Free memory was 40.9MB in the beginning and 46.0MB in the end (delta: -5.1MB). Peak memory consumption was 7.2MB. Max. memory is 16.1GB. [2023-08-29 09:11:41,601 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.93ms. Allocated memory is still 73.4MB. Free memory was 46.0MB in the beginning and 43.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-29 09:11:41,602 INFO L158 Benchmark]: Boogie Preprocessor took 43.20ms. Allocated memory is still 73.4MB. Free memory was 43.9MB in the beginning and 41.5MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-29 09:11:41,603 INFO L158 Benchmark]: RCFGBuilder took 784.60ms. Allocated memory is still 73.4MB. Free memory was 41.5MB in the beginning and 30.4MB in the end (delta: 11.0MB). Peak memory consumption was 15.1MB. Max. memory is 16.1GB. [2023-08-29 09:11:41,603 INFO L158 Benchmark]: TraceAbstraction took 187.87ms. Allocated memory is still 73.4MB. Free memory was 29.7MB in the beginning and 25.9MB in the end (delta: 3.8MB). Peak memory consumption was 7.7MB. Max. memory is 16.1GB. [2023-08-29 09:11:41,610 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 54.5MB. Free memory was 32.1MB in the beginning and 32.0MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 233.78ms. Allocated memory is still 73.4MB. Free memory was 40.9MB in the beginning and 46.0MB in the end (delta: -5.1MB). Peak memory consumption was 7.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 55.93ms. Allocated memory is still 73.4MB. Free memory was 46.0MB in the beginning and 43.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 43.20ms. Allocated memory is still 73.4MB. Free memory was 43.9MB in the beginning and 41.5MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 784.60ms. Allocated memory is still 73.4MB. Free memory was 41.5MB in the beginning and 30.4MB in the end (delta: 11.0MB). Peak memory consumption was 15.1MB. Max. memory is 16.1GB. * TraceAbstraction took 187.87ms. Allocated memory is still 73.4MB. Free memory was 29.7MB in the beginning and 25.9MB in the end (delta: 3.8MB). Peak memory consumption was 7.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: IllegalArgumentException: No enum constant de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TraceAbstractionPreferenceInitializer.InsufficientError.DEFORE de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: IllegalArgumentException: No enum constant de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TraceAbstractionPreferenceInitializer.InsufficientError.DEFORE: java.base/java.lang.Enum.valueOf(Enum.java:240) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-08-29 09:11:41,641 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 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