./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/no-data-race.prp --file ../../../trunk/examples/svcomp/weaver/fibonacci.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/fibonacci.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 7f56768e1b40ef6b1b210f9cfb796e99d1f27ee48ed204adfea165b19bcc995e --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 09:13:03,179 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-29 09:13:03,181 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-29 09:13:03,225 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-29 09:13:03,226 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-29 09:13:03,229 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-29 09:13:03,230 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-29 09:13:03,233 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-29 09:13:03,235 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-29 09:13:03,239 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-29 09:13:03,240 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-29 09:13:03,242 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-29 09:13:03,243 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-29 09:13:03,244 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-29 09:13:03,245 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-29 09:13:03,250 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-29 09:13:03,251 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-29 09:13:03,253 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-29 09:13:03,254 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-29 09:13:03,259 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-29 09:13:03,260 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-29 09:13:03,273 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-29 09:13:03,274 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-29 09:13:03,275 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-29 09:13:03,282 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-29 09:13:03,282 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-29 09:13:03,283 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-29 09:13:03,285 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-29 09:13:03,285 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-29 09:13:03,286 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-29 09:13:03,286 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-29 09:13:03,288 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-29 09:13:03,290 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-29 09:13:03,290 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-29 09:13:03,291 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-29 09:13:03,291 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-29 09:13:03,292 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-29 09:13:03,292 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-29 09:13:03,292 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-29 09:13:03,293 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-29 09:13:03,294 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-29 09:13:03,295 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-08-29 09:13:03,329 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-29 09:13:03,330 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-29 09:13:03,331 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-29 09:13:03,331 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-29 09:13:03,332 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-29 09:13:03,332 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-29 09:13:03,332 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-29 09:13:03,333 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-29 09:13:03,333 INFO L138 SettingsManager]: * Use SBE=true [2023-08-29 09:13:03,333 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-29 09:13:03,334 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-29 09:13:03,334 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-29 09:13:03,334 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-29 09:13:03,334 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-29 09:13:03,335 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-29 09:13:03,335 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-29 09:13:03,335 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-29 09:13:03,335 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-29 09:13:03,335 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-08-29 09:13:03,336 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-29 09:13:03,336 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-29 09:13:03,336 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-29 09:13:03,336 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-29 09:13:03,336 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-29 09:13:03,336 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-29 09:13:03,337 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-29 09:13:03,337 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 09:13:03,337 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-29 09:13:03,337 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-29 09:13:03,337 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-29 09:13:03,338 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-29 09:13:03,338 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-29 09:13:03,338 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-29 09:13:03,338 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-29 09:13:03,339 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-29 09:13:03,339 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-29 09:13:03,339 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-29 09:13:03,339 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7f56768e1b40ef6b1b210f9cfb796e99d1f27ee48ed204adfea165b19bcc995e Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> DEFORE [2023-08-29 09:13:03,624 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-29 09:13:03,644 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-29 09:13:03,647 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-29 09:13:03,648 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-29 09:13:03,649 INFO L275 PluginConnector]: CDTParser initialized [2023-08-29 09:13:03,650 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/fibonacci.wvr.c [2023-08-29 09:13:04,788 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-29 09:13:05,011 INFO L351 CDTParser]: Found 1 translation units. [2023-08-29 09:13:05,012 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/fibonacci.wvr.c [2023-08-29 09:13:05,019 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1060744d4/771e4e57d6ea4e10b687cbce13f4cbd0/FLAGa8a0c4faa [2023-08-29 09:13:05,042 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1060744d4/771e4e57d6ea4e10b687cbce13f4cbd0 [2023-08-29 09:13:05,044 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-29 09:13:05,046 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-29 09:13:05,049 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-29 09:13:05,049 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-29 09:13:05,052 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-29 09:13:05,053 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 09:13:05" (1/1) ... [2023-08-29 09:13:05,054 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ddead7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:13:05, skipping insertion in model container [2023-08-29 09:13:05,054 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 09:13:05" (1/1) ... [2023-08-29 09:13:05,060 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-29 09:13:05,081 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-29 09:13:05,279 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/fibonacci.wvr.c[2330,2343] [2023-08-29 09:13:05,291 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 09:13:05,301 INFO L203 MainTranslator]: Completed pre-run [2023-08-29 09:13:05,348 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/fibonacci.wvr.c[2330,2343] [2023-08-29 09:13:05,351 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 09:13:05,368 INFO L208 MainTranslator]: Completed translation [2023-08-29 09:13:05,368 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:13:05 WrapperNode [2023-08-29 09:13:05,369 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-29 09:13:05,370 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-29 09:13:05,370 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-29 09:13:05,370 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-29 09:13:05,376 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:13:05" (1/1) ... [2023-08-29 09:13:05,398 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:13:05" (1/1) ... [2023-08-29 09:13:05,438 INFO L138 Inliner]: procedures = 23, calls = 28, calls flagged for inlining = 12, calls inlined = 16, statements flattened = 271 [2023-08-29 09:13:05,442 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-29 09:13:05,443 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-29 09:13:05,444 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-29 09:13:05,444 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-29 09:13:05,450 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:13:05" (1/1) ... [2023-08-29 09:13:05,450 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:13:05" (1/1) ... [2023-08-29 09:13:05,452 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:13:05" (1/1) ... [2023-08-29 09:13:05,453 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:13:05" (1/1) ... [2023-08-29 09:13:05,460 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:13:05" (1/1) ... [2023-08-29 09:13:05,463 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:13:05" (1/1) ... [2023-08-29 09:13:05,464 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:13:05" (1/1) ... [2023-08-29 09:13:05,466 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:13:05" (1/1) ... [2023-08-29 09:13:05,468 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-29 09:13:05,469 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-29 09:13:05,469 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-29 09:13:05,470 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-29 09:13:05,470 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:13:05" (1/1) ... [2023-08-29 09:13:05,475 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 09:13:05,495 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-29 09:13:05,510 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 09:13:05,520 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 09:13:05,552 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-29 09:13:05,553 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-08-29 09:13:05,553 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-08-29 09:13:05,553 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-08-29 09:13:05,553 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-08-29 09:13:05,553 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-29 09:13:05,553 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-29 09:13:05,553 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-29 09:13:05,554 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-29 09:13:05,554 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-29 09:13:05,554 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-29 09:13:05,554 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-29 09:13:05,555 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 09:13:05,657 INFO L236 CfgBuilder]: Building ICFG [2023-08-29 09:13:05,659 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-29 09:13:06,202 INFO L277 CfgBuilder]: Performing block encoding [2023-08-29 09:13:06,211 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-29 09:13:06,212 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-08-29 09:13:06,214 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 09:13:06 BoogieIcfgContainer [2023-08-29 09:13:06,214 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-29 09:13:06,215 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-29 09:13:06,216 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-29 09:13:06,218 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-29 09:13:06,218 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.08 09:13:05" (1/3) ... [2023-08-29 09:13:06,219 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31ca8d04 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 09:13:06, skipping insertion in model container [2023-08-29 09:13:06,219 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:13:05" (2/3) ... [2023-08-29 09:13:06,219 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31ca8d04 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 09:13:06, skipping insertion in model container [2023-08-29 09:13:06,220 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 09:13:06" (3/3) ... [2023-08-29 09:13:06,221 INFO L112 eAbstractionObserver]: Analyzing ICFG fibonacci.wvr.c [2023-08-29 09:13:06,227 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-29 09:13:06,235 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-29 09:13:06,236 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 33 error locations. [2023-08-29 09:13:06,236 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-29 09:13:06,374 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-08-29 09:13:06,380 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 09:13:06,386 INFO L158 Benchmark]: Toolchain (without parser) took 1339.42ms. Allocated memory is still 75.5MB. Free memory was 53.7MB in the beginning and 41.5MB in the end (delta: 12.2MB). Peak memory consumption was 31.0MB. Max. memory is 16.1GB. [2023-08-29 09:13:06,386 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 58.7MB. Free memory is still 36.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-08-29 09:13:06,387 INFO L158 Benchmark]: CACSL2BoogieTranslator took 320.16ms. Allocated memory is still 75.5MB. Free memory was 53.6MB in the beginning and 41.8MB in the end (delta: 11.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-08-29 09:13:06,388 INFO L158 Benchmark]: Boogie Procedure Inliner took 72.70ms. Allocated memory is still 75.5MB. Free memory was 41.8MB in the beginning and 39.1MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-29 09:13:06,389 INFO L158 Benchmark]: Boogie Preprocessor took 25.57ms. Allocated memory is still 75.5MB. Free memory was 39.1MB in the beginning and 37.4MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-29 09:13:06,390 INFO L158 Benchmark]: RCFGBuilder took 744.69ms. Allocated memory is still 75.5MB. Free memory was 37.1MB in the beginning and 34.5MB in the end (delta: 2.6MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-08-29 09:13:06,390 INFO L158 Benchmark]: TraceAbstraction took 169.08ms. Allocated memory is still 75.5MB. Free memory was 33.8MB in the beginning and 41.5MB in the end (delta: -7.7MB). Peak memory consumption was 10.2MB. Max. memory is 16.1GB. [2023-08-29 09:13:06,397 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 58.7MB. Free memory is still 36.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 320.16ms. Allocated memory is still 75.5MB. Free memory was 53.6MB in the beginning and 41.8MB in the end (delta: 11.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 72.70ms. Allocated memory is still 75.5MB. Free memory was 41.8MB in the beginning and 39.1MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 25.57ms. Allocated memory is still 75.5MB. Free memory was 39.1MB in the beginning and 37.4MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 744.69ms. Allocated memory is still 75.5MB. Free memory was 37.1MB in the beginning and 34.5MB in the end (delta: 2.6MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * TraceAbstraction took 169.08ms. Allocated memory is still 75.5MB. Free memory was 33.8MB in the beginning and 41.5MB in the end (delta: -7.7MB). Peak memory consumption was 10.2MB. 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. [2023-08-29 09:13:06,425 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/fibonacci.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 7f56768e1b40ef6b1b210f9cfb796e99d1f27ee48ed204adfea165b19bcc995e --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 09:13:08,289 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-29 09:13:08,292 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-29 09:13:08,335 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-29 09:13:08,335 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-29 09:13:08,338 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-29 09:13:08,340 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-29 09:13:08,343 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-29 09:13:08,346 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-29 09:13:08,351 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-29 09:13:08,352 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-29 09:13:08,354 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-29 09:13:08,354 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-29 09:13:08,356 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-29 09:13:08,357 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-29 09:13:08,361 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-29 09:13:08,362 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-29 09:13:08,363 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-29 09:13:08,365 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-29 09:13:08,369 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-29 09:13:08,371 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-29 09:13:08,372 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-29 09:13:08,372 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-29 09:13:08,373 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-29 09:13:08,377 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-29 09:13:08,377 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-29 09:13:08,377 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-29 09:13:08,378 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-29 09:13:08,378 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-29 09:13:08,379 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-29 09:13:08,379 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-29 09:13:08,379 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-29 09:13:08,380 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-29 09:13:08,380 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-29 09:13:08,381 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-29 09:13:08,381 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-29 09:13:08,381 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-29 09:13:08,382 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-29 09:13:08,382 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-29 09:13:08,382 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-29 09:13:08,383 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-29 09:13:08,386 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Bitvector.epf [2023-08-29 09:13:08,420 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-29 09:13:08,421 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-29 09:13:08,422 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-29 09:13:08,422 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-29 09:13:08,423 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-29 09:13:08,423 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-29 09:13:08,424 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-29 09:13:08,424 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-29 09:13:08,424 INFO L138 SettingsManager]: * Use SBE=true [2023-08-29 09:13:08,424 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-29 09:13:08,425 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-29 09:13:08,425 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-29 09:13:08,425 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-29 09:13:08,426 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-29 09:13:08,426 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-29 09:13:08,426 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-29 09:13:08,426 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-29 09:13:08,426 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-08-29 09:13:08,427 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2023-08-29 09:13:08,427 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-08-29 09:13:08,427 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-29 09:13:08,427 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-29 09:13:08,427 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-29 09:13:08,428 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-29 09:13:08,428 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-29 09:13:08,428 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-29 09:13:08,428 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-29 09:13:08,428 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 09:13:08,429 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-29 09:13:08,429 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-29 09:13:08,429 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-29 09:13:08,429 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2023-08-29 09:13:08,430 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-08-29 09:13:08,430 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-29 09:13:08,430 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-29 09:13:08,430 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-29 09:13:08,430 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-29 09:13:08,430 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2023-08-29 09:13:08,431 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-29 09:13:08,431 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7f56768e1b40ef6b1b210f9cfb796e99d1f27ee48ed204adfea165b19bcc995e Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> DEFORE [2023-08-29 09:13:08,727 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-29 09:13:08,746 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-29 09:13:08,748 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-29 09:13:08,749 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-29 09:13:08,749 INFO L275 PluginConnector]: CDTParser initialized [2023-08-29 09:13:08,750 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/fibonacci.wvr.c [2023-08-29 09:13:09,976 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-29 09:13:10,175 INFO L351 CDTParser]: Found 1 translation units. [2023-08-29 09:13:10,176 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/fibonacci.wvr.c [2023-08-29 09:13:10,182 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f484c24ce/46c68cc027e34b42a02f242fe535eab0/FLAGf73d9b50a [2023-08-29 09:13:10,198 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f484c24ce/46c68cc027e34b42a02f242fe535eab0 [2023-08-29 09:13:10,200 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-29 09:13:10,201 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-29 09:13:10,202 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-29 09:13:10,203 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-29 09:13:10,206 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-29 09:13:10,206 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 09:13:10" (1/1) ... [2023-08-29 09:13:10,207 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1158ec76 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:13:10, skipping insertion in model container [2023-08-29 09:13:10,208 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 09:13:10" (1/1) ... [2023-08-29 09:13:10,214 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-29 09:13:10,234 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-29 09:13:10,432 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/fibonacci.wvr.c[2330,2343] [2023-08-29 09:13:10,445 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 09:13:10,459 INFO L203 MainTranslator]: Completed pre-run [2023-08-29 09:13:10,499 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/fibonacci.wvr.c[2330,2343] [2023-08-29 09:13:10,508 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 09:13:10,524 INFO L208 MainTranslator]: Completed translation [2023-08-29 09:13:10,525 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:13:10 WrapperNode [2023-08-29 09:13:10,525 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-29 09:13:10,534 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-29 09:13:10,534 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-29 09:13:10,534 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-29 09:13:10,540 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:13:10" (1/1) ... [2023-08-29 09:13:10,564 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:13:10" (1/1) ... [2023-08-29 09:13:10,600 INFO L138 Inliner]: procedures = 25, calls = 28, calls flagged for inlining = 12, calls inlined = 16, statements flattened = 260 [2023-08-29 09:13:10,601 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-29 09:13:10,603 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-29 09:13:10,603 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-29 09:13:10,603 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-29 09:13:10,611 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:13:10" (1/1) ... [2023-08-29 09:13:10,611 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:13:10" (1/1) ... [2023-08-29 09:13:10,627 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:13:10" (1/1) ... [2023-08-29 09:13:10,628 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:13:10" (1/1) ... [2023-08-29 09:13:10,636 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:13:10" (1/1) ... [2023-08-29 09:13:10,650 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:13:10" (1/1) ... [2023-08-29 09:13:10,655 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:13:10" (1/1) ... [2023-08-29 09:13:10,657 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:13:10" (1/1) ... [2023-08-29 09:13:10,661 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-29 09:13:10,662 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-29 09:13:10,662 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-29 09:13:10,662 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-29 09:13:10,663 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:13:10" (1/1) ... [2023-08-29 09:13:10,667 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 09:13:10,677 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-29 09:13:10,691 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 09:13:10,698 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 09:13:10,727 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-29 09:13:10,729 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-08-29 09:13:10,729 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-08-29 09:13:10,729 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-08-29 09:13:10,729 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-08-29 09:13:10,729 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-08-29 09:13:10,729 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-29 09:13:10,730 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-08-29 09:13:10,730 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-29 09:13:10,730 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-29 09:13:10,730 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-29 09:13:10,730 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-08-29 09:13:10,731 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 09:13:10,879 INFO L236 CfgBuilder]: Building ICFG [2023-08-29 09:13:10,885 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-29 09:13:11,311 INFO L277 CfgBuilder]: Performing block encoding [2023-08-29 09:13:11,323 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-29 09:13:11,327 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-08-29 09:13:11,331 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 09:13:11 BoogieIcfgContainer [2023-08-29 09:13:11,331 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-29 09:13:11,333 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-29 09:13:11,334 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-29 09:13:11,337 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-29 09:13:11,337 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.08 09:13:10" (1/3) ... [2023-08-29 09:13:11,338 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@799244b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 09:13:11, skipping insertion in model container [2023-08-29 09:13:11,338 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:13:10" (2/3) ... [2023-08-29 09:13:11,339 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@799244b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 09:13:11, skipping insertion in model container [2023-08-29 09:13:11,339 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 09:13:11" (3/3) ... [2023-08-29 09:13:11,341 INFO L112 eAbstractionObserver]: Analyzing ICFG fibonacci.wvr.c [2023-08-29 09:13:11,349 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-29 09:13:11,365 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-29 09:13:11,365 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 33 error locations. [2023-08-29 09:13:11,366 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-29 09:13:11,489 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-08-29 09:13:11,495 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 09:13:11,501 INFO L158 Benchmark]: Toolchain (without parser) took 1298.69ms. Allocated memory is still 75.5MB. Free memory was 48.6MB in the beginning and 34.3MB in the end (delta: 14.4MB). Peak memory consumption was 30.3MB. Max. memory is 16.1GB. [2023-08-29 09:13:11,501 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 58.7MB. Free memory is still 36.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-08-29 09:13:11,502 INFO L158 Benchmark]: CACSL2BoogieTranslator took 329.06ms. Allocated memory is still 75.5MB. Free memory was 48.4MB in the beginning and 55.8MB in the end (delta: -7.4MB). Peak memory consumption was 15.6MB. Max. memory is 16.1GB. [2023-08-29 09:13:11,502 INFO L158 Benchmark]: Boogie Procedure Inliner took 67.87ms. Allocated memory is still 75.5MB. Free memory was 55.8MB in the beginning and 53.4MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-29 09:13:11,503 INFO L158 Benchmark]: Boogie Preprocessor took 58.23ms. Allocated memory is still 75.5MB. Free memory was 53.4MB in the beginning and 51.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-29 09:13:11,504 INFO L158 Benchmark]: RCFGBuilder took 669.40ms. Allocated memory is still 75.5MB. Free memory was 51.3MB in the beginning and 24.9MB in the end (delta: 26.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2023-08-29 09:13:11,504 INFO L158 Benchmark]: TraceAbstraction took 165.96ms. Allocated memory is still 75.5MB. Free memory was 24.4MB in the beginning and 34.3MB in the end (delta: -9.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-08-29 09:13:11,512 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 58.7MB. Free memory is still 36.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 329.06ms. Allocated memory is still 75.5MB. Free memory was 48.4MB in the beginning and 55.8MB in the end (delta: -7.4MB). Peak memory consumption was 15.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 67.87ms. Allocated memory is still 75.5MB. Free memory was 55.8MB in the beginning and 53.4MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 58.23ms. Allocated memory is still 75.5MB. Free memory was 53.4MB in the beginning and 51.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 669.40ms. Allocated memory is still 75.5MB. Free memory was 51.3MB in the beginning and 24.9MB in the end (delta: 26.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 165.96ms. Allocated memory is still 75.5MB. Free memory was 24.4MB in the beginning and 34.3MB in the end (delta: -9.8MB). Peak memory consumption was 6.3MB. 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 09:13:11,536 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