./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/goblint-regression/28-race_reach_20-callback_racefree.i --full-output --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations DEFORE --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability 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/goblint-regression/28-race_reach_20-callback_racefree.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-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 ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4e91816f101a416d37c086dd7185cfb4e2bfa63eb286e4a418cb94db27cf2f6f --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations DEFORE --- Real Ultimate output --- This is Ultimate 0.2.3-?-b8dbc81 [2023-08-30 22:30:53,246 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-30 22:30:53,248 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-30 22:30:53,280 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-30 22:30:53,280 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-30 22:30:53,283 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-30 22:30:53,284 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-30 22:30:53,286 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-30 22:30:53,289 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-30 22:30:53,292 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-30 22:30:53,293 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-30 22:30:53,294 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-30 22:30:53,295 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-30 22:30:53,296 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-30 22:30:53,297 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-30 22:30:53,301 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-30 22:30:53,301 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-30 22:30:53,302 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-30 22:30:53,304 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-30 22:30:53,309 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-30 22:30:53,310 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-30 22:30:53,317 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-30 22:30:53,318 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-30 22:30:53,318 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-30 22:30:53,323 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-30 22:30:53,323 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-30 22:30:53,324 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-30 22:30:53,325 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-30 22:30:53,325 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-30 22:30:53,326 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-30 22:30:53,326 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-30 22:30:53,328 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-30 22:30:53,329 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-30 22:30:53,329 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-30 22:30:53,330 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-30 22:30:53,330 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-30 22:30:53,330 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-30 22:30:53,331 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-30 22:30:53,331 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-30 22:30:53,331 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-30 22:30:53,332 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-30 22:30:53,333 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-08-30 22:30:53,360 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-30 22:30:53,360 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-30 22:30:53,361 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-30 22:30:53,361 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-30 22:30:53,362 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-30 22:30:53,362 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-30 22:30:53,363 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-30 22:30:53,363 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-30 22:30:53,363 INFO L138 SettingsManager]: * Use SBE=true [2023-08-30 22:30:53,363 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-30 22:30:53,364 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-30 22:30:53,364 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-30 22:30:53,364 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-30 22:30:53,364 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-30 22:30:53,364 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-30 22:30:53,364 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-30 22:30:53,365 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-30 22:30:53,365 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-30 22:30:53,365 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-30 22:30:53,365 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-30 22:30:53,365 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-30 22:30:53,365 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-30 22:30:53,365 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-30 22:30:53,366 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-30 22:30:53,366 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 22:30:53,366 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-30 22:30:53,366 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-30 22:30:53,366 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-30 22:30:53,366 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-30 22:30:53,367 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-30 22:30:53,367 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-30 22:30:53,367 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-30 22:30:53,367 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-30 22:30:53,367 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-30 22:30:53,367 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-30 22:30:53,367 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4e91816f101a416d37c086dd7185cfb4e2bfa63eb286e4a418cb94db27cf2f6f Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> DEFORE [2023-08-30 22:30:53,617 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-30 22:30:53,632 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-30 22:30:53,634 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-30 22:30:53,634 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-30 22:30:53,635 INFO L275 PluginConnector]: CDTParser initialized [2023-08-30 22:30:53,636 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/28-race_reach_20-callback_racefree.i [2023-08-30 22:30:54,575 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-30 22:30:54,820 INFO L351 CDTParser]: Found 1 translation units. [2023-08-30 22:30:54,821 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_20-callback_racefree.i [2023-08-30 22:30:54,843 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b5ea2b2df/8204f6444e084bfdbc119e289e2ab014/FLAG811f6e7fe [2023-08-30 22:30:54,854 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b5ea2b2df/8204f6444e084bfdbc119e289e2ab014 [2023-08-30 22:30:54,856 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-30 22:30:54,857 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-30 22:30:54,857 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-30 22:30:54,858 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-30 22:30:54,862 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-30 22:30:54,863 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 10:30:54" (1/1) ... [2023-08-30 22:30:54,863 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b8dfa23 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:30:54, skipping insertion in model container [2023-08-30 22:30:54,864 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 10:30:54" (1/1) ... [2023-08-30 22:30:54,868 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-30 22:30:54,893 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-30 22:30:55,095 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_20-callback_racefree.i[30212,30225] [2023-08-30 22:30:55,108 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 22:30:55,116 INFO L203 MainTranslator]: Completed pre-run [2023-08-30 22:30:55,133 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_20-callback_racefree.i[30212,30225] [2023-08-30 22:30:55,138 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 22:30:55,169 WARN L667 CHandler]: The function callback is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 22:30:55,173 INFO L208 MainTranslator]: Completed translation [2023-08-30 22:30:55,174 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:30:55 WrapperNode [2023-08-30 22:30:55,174 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-30 22:30:55,174 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-30 22:30:55,174 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-30 22:30:55,175 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-30 22:30:55,179 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:30:55" (1/1) ... [2023-08-30 22:30:55,224 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:30:55" (1/1) ... [2023-08-30 22:30:55,246 INFO L138 Inliner]: procedures = 173, calls = 33, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 135 [2023-08-30 22:30:55,247 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-30 22:30:55,247 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-30 22:30:55,247 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-30 22:30:55,248 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-30 22:30:55,253 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:30:55" (1/1) ... [2023-08-30 22:30:55,254 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:30:55" (1/1) ... [2023-08-30 22:30:55,267 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:30:55" (1/1) ... [2023-08-30 22:30:55,270 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:30:55" (1/1) ... [2023-08-30 22:30:55,273 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:30:55" (1/1) ... [2023-08-30 22:30:55,281 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:30:55" (1/1) ... [2023-08-30 22:30:55,282 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:30:55" (1/1) ... [2023-08-30 22:30:55,287 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:30:55" (1/1) ... [2023-08-30 22:30:55,289 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-30 22:30:55,293 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-30 22:30:55,293 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-30 22:30:55,293 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-30 22:30:55,294 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:30:55" (1/1) ... [2023-08-30 22:30:55,298 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 22:30:55,307 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-30 22:30:55,318 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-08-30 22:30:55,336 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-08-30 22:30:55,357 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-30 22:30:55,357 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-30 22:30:55,357 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-08-30 22:30:55,358 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-30 22:30:55,358 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-30 22:30:55,358 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2023-08-30 22:30:55,358 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2023-08-30 22:30:55,358 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-30 22:30:55,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-30 22:30:55,358 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-30 22:30:55,358 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-30 22:30:55,359 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-08-30 22:30:55,508 INFO L236 CfgBuilder]: Building ICFG [2023-08-30 22:30:55,509 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-30 22:30:55,707 INFO L277 CfgBuilder]: Performing block encoding [2023-08-30 22:30:55,712 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-30 22:30:55,718 INFO L302 CfgBuilder]: Removed 11 assume(true) statements. [2023-08-30 22:30:55,720 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 10:30:55 BoogieIcfgContainer [2023-08-30 22:30:55,720 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-30 22:30:55,721 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-30 22:30:55,722 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-30 22:30:55,724 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-30 22:30:55,724 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.08 10:30:54" (1/3) ... [2023-08-30 22:30:55,724 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53effbec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 10:30:55, skipping insertion in model container [2023-08-30 22:30:55,724 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:30:55" (2/3) ... [2023-08-30 22:30:55,725 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53effbec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 10:30:55, skipping insertion in model container [2023-08-30 22:30:55,725 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 10:30:55" (3/3) ... [2023-08-30 22:30:55,726 INFO L112 eAbstractionObserver]: Analyzing ICFG 28-race_reach_20-callback_racefree.i [2023-08-30 22:30:55,731 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-30 22:30:55,748 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-30 22:30:55,748 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-08-30 22:30:55,748 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-30 22:30:55,806 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2023-08-30 22:30:55,810 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.IllegalArgumentException: No enum constant de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TraceAbstractionPreferenceInitializer.InsufficientError.DEFORE at java.base/java.lang.Enum.valueOf(Enum.java:240) at de.uni_freiburg.informatik.ultimate.core.preferences.RcpPreferenceProvider.getEnum(RcpPreferenceProvider.java:117) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TAPreferences.insufficientThreadErrorsVsProgramErrors(TAPreferences.java:218) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.partitionErrorLocations(TraceAbstractionStarter.java:394) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:280) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:225) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:173) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-08-30 22:30:55,814 INFO L158 Benchmark]: Toolchain (without parser) took 957.31ms. Allocated memory is still 79.7MB. Free memory was 56.7MB in the beginning and 53.1MB in the end (delta: 3.5MB). Peak memory consumption was 26.7MB. Max. memory is 16.1GB. [2023-08-30 22:30:55,815 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 58.7MB. Free memory is still 36.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-08-30 22:30:55,816 INFO L158 Benchmark]: CACSL2BoogieTranslator took 316.59ms. Allocated memory is still 79.7MB. Free memory was 56.4MB in the beginning and 56.4MB in the end (delta: -40.4kB). Peak memory consumption was 23.9MB. Max. memory is 16.1GB. [2023-08-30 22:30:55,816 INFO L158 Benchmark]: Boogie Procedure Inliner took 72.36ms. Allocated memory is still 79.7MB. Free memory was 56.4MB in the beginning and 54.1MB in the end (delta: 2.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-08-30 22:30:55,817 INFO L158 Benchmark]: Boogie Preprocessor took 41.35ms. Allocated memory is still 79.7MB. Free memory was 54.1MB in the beginning and 52.4MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-30 22:30:55,817 INFO L158 Benchmark]: RCFGBuilder took 427.12ms. Allocated memory is still 79.7MB. Free memory was 52.4MB in the beginning and 36.0MB in the end (delta: 16.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-08-30 22:30:55,818 INFO L158 Benchmark]: TraceAbstraction took 92.08ms. Allocated memory is still 79.7MB. Free memory was 35.3MB in the beginning and 53.1MB in the end (delta: -17.8MB). Peak memory consumption was 7.0MB. Max. memory is 16.1GB. [2023-08-30 22:30:55,823 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 58.7MB. Free memory is still 36.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 316.59ms. Allocated memory is still 79.7MB. Free memory was 56.4MB in the beginning and 56.4MB in the end (delta: -40.4kB). Peak memory consumption was 23.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 72.36ms. Allocated memory is still 79.7MB. Free memory was 56.4MB in the beginning and 54.1MB in the end (delta: 2.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 41.35ms. Allocated memory is still 79.7MB. Free memory was 54.1MB in the beginning and 52.4MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 427.12ms. Allocated memory is still 79.7MB. Free memory was 52.4MB in the beginning and 36.0MB in the end (delta: 16.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 92.08ms. Allocated memory is still 79.7MB. Free memory was 35.3MB in the beginning and 53.1MB in the end (delta: -17.8MB). Peak memory consumption was 7.0MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: IllegalArgumentException: No enum constant de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TraceAbstractionPreferenceInitializer.InsufficientError.DEFORE de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: IllegalArgumentException: No enum constant de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TraceAbstractionPreferenceInitializer.InsufficientError.DEFORE: java.base/java.lang.Enum.valueOf(Enum.java:240) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-08-30 22:30:55,841 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/goblint-regression/28-race_reach_20-callback_racefree.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-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 ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4e91816f101a416d37c086dd7185cfb4e2bfa63eb286e4a418cb94db27cf2f6f --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations DEFORE --- Real Ultimate output --- This is Ultimate 0.2.3-?-b8dbc81 [2023-08-30 22:30:57,503 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-30 22:30:57,505 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-30 22:30:57,541 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-30 22:30:57,542 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-30 22:30:57,544 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-30 22:30:57,546 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-30 22:30:57,548 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-30 22:30:57,550 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-30 22:30:57,553 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-30 22:30:57,553 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-30 22:30:57,555 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-30 22:30:57,555 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-30 22:30:57,557 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-30 22:30:57,557 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-30 22:30:57,562 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-30 22:30:57,562 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-30 22:30:57,563 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-30 22:30:57,564 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-30 22:30:57,573 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-30 22:30:57,574 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-30 22:30:57,583 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-30 22:30:57,584 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-30 22:30:57,584 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-30 22:30:57,591 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-30 22:30:57,591 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-30 22:30:57,592 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-30 22:30:57,593 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-30 22:30:57,593 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-30 22:30:57,594 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-30 22:30:57,594 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-30 22:30:57,597 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-30 22:30:57,598 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-30 22:30:57,598 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-30 22:30:57,599 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-30 22:30:57,600 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-30 22:30:57,600 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-30 22:30:57,601 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-30 22:30:57,601 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-30 22:30:57,601 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-30 22:30:57,602 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-30 22:30:57,603 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-08-30 22:30:57,630 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-30 22:30:57,631 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-30 22:30:57,632 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-30 22:30:57,632 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-30 22:30:57,632 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-30 22:30:57,633 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-30 22:30:57,633 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-30 22:30:57,633 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-30 22:30:57,633 INFO L138 SettingsManager]: * Use SBE=true [2023-08-30 22:30:57,633 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-30 22:30:57,634 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-30 22:30:57,634 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-30 22:30:57,635 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-30 22:30:57,635 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-30 22:30:57,635 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-30 22:30:57,635 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-30 22:30:57,635 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-08-30 22:30:57,635 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2023-08-30 22:30:57,635 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-08-30 22:30:57,636 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-30 22:30:57,636 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-30 22:30:57,636 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-30 22:30:57,636 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-30 22:30:57,636 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-30 22:30:57,636 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-30 22:30:57,636 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-30 22:30:57,637 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 22:30:57,637 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-30 22:30:57,637 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-30 22:30:57,637 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-30 22:30:57,637 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2023-08-30 22:30:57,637 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-08-30 22:30:57,638 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-30 22:30:57,638 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-30 22:30:57,638 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-30 22:30:57,638 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-30 22:30:57,638 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2023-08-30 22:30:57,638 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-30 22:30:57,638 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4e91816f101a416d37c086dd7185cfb4e2bfa63eb286e4a418cb94db27cf2f6f Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> DEFORE [2023-08-30 22:30:57,879 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-30 22:30:57,897 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-30 22:30:57,899 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-30 22:30:57,900 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-30 22:30:57,900 INFO L275 PluginConnector]: CDTParser initialized [2023-08-30 22:30:57,902 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/28-race_reach_20-callback_racefree.i [2023-08-30 22:30:58,787 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-30 22:30:59,026 INFO L351 CDTParser]: Found 1 translation units. [2023-08-30 22:30:59,027 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_20-callback_racefree.i [2023-08-30 22:30:59,051 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/096cd252d/b25d8939af964cdc8fd7ead597831682/FLAG443697618 [2023-08-30 22:30:59,067 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/096cd252d/b25d8939af964cdc8fd7ead597831682 [2023-08-30 22:30:59,069 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-30 22:30:59,069 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-30 22:30:59,072 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-30 22:30:59,072 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-30 22:30:59,074 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-30 22:30:59,075 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 10:30:59" (1/1) ... [2023-08-30 22:30:59,076 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@59766e71 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:30:59, skipping insertion in model container [2023-08-30 22:30:59,076 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 10:30:59" (1/1) ... [2023-08-30 22:30:59,081 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-30 22:30:59,121 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-30 22:30:59,299 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_20-callback_racefree.i[30212,30225] [2023-08-30 22:30:59,317 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 22:30:59,328 INFO L203 MainTranslator]: Completed pre-run [2023-08-30 22:30:59,363 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_20-callback_racefree.i[30212,30225] [2023-08-30 22:30:59,386 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 22:30:59,448 WARN L667 CHandler]: The function callback is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 22:30:59,453 INFO L208 MainTranslator]: Completed translation [2023-08-30 22:30:59,453 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:30:59 WrapperNode [2023-08-30 22:30:59,454 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-30 22:30:59,455 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-30 22:30:59,455 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-30 22:30:59,455 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-30 22:30:59,459 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:30:59" (1/1) ... [2023-08-30 22:30:59,485 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:30:59" (1/1) ... [2023-08-30 22:30:59,508 INFO L138 Inliner]: procedures = 177, calls = 33, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 133 [2023-08-30 22:30:59,509 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-30 22:30:59,510 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-30 22:30:59,510 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-30 22:30:59,510 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-30 22:30:59,516 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:30:59" (1/1) ... [2023-08-30 22:30:59,517 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:30:59" (1/1) ... [2023-08-30 22:30:59,530 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:30:59" (1/1) ... [2023-08-30 22:30:59,531 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:30:59" (1/1) ... [2023-08-30 22:30:59,536 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:30:59" (1/1) ... [2023-08-30 22:30:59,546 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:30:59" (1/1) ... [2023-08-30 22:30:59,550 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:30:59" (1/1) ... [2023-08-30 22:30:59,557 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:30:59" (1/1) ... [2023-08-30 22:30:59,559 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-30 22:30:59,562 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-30 22:30:59,562 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-30 22:30:59,562 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-30 22:30:59,563 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:30:59" (1/1) ... [2023-08-30 22:30:59,567 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 22:30:59,575 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-30 22:30:59,622 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-08-30 22:30:59,639 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-08-30 22:30:59,648 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-08-30 22:30:59,649 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-08-30 22:30:59,649 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-30 22:30:59,649 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-30 22:30:59,649 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2023-08-30 22:30:59,649 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2023-08-30 22:30:59,649 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-30 22:30:59,649 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-08-30 22:30:59,650 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-08-30 22:30:59,650 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-08-30 22:30:59,650 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-30 22:30:59,650 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-30 22:30:59,651 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-08-30 22:30:59,772 INFO L236 CfgBuilder]: Building ICFG [2023-08-30 22:30:59,773 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-30 22:30:59,919 INFO L277 CfgBuilder]: Performing block encoding [2023-08-30 22:30:59,924 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-30 22:30:59,924 INFO L302 CfgBuilder]: Removed 11 assume(true) statements. [2023-08-30 22:30:59,926 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 10:30:59 BoogieIcfgContainer [2023-08-30 22:30:59,926 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-30 22:30:59,927 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-30 22:30:59,927 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-30 22:30:59,929 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-30 22:30:59,930 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.08 10:30:59" (1/3) ... [2023-08-30 22:30:59,930 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@720aafa8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 10:30:59, skipping insertion in model container [2023-08-30 22:30:59,930 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:30:59" (2/3) ... [2023-08-30 22:30:59,931 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@720aafa8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 10:30:59, skipping insertion in model container [2023-08-30 22:30:59,931 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 10:30:59" (3/3) ... [2023-08-30 22:30:59,931 INFO L112 eAbstractionObserver]: Analyzing ICFG 28-race_reach_20-callback_racefree.i [2023-08-30 22:30:59,937 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-30 22:30:59,943 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-30 22:30:59,944 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-08-30 22:30:59,944 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-30 22:31:00,000 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2023-08-30 22:31:00,005 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.IllegalArgumentException: No enum constant de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TraceAbstractionPreferenceInitializer.InsufficientError.DEFORE at java.base/java.lang.Enum.valueOf(Enum.java:240) at de.uni_freiburg.informatik.ultimate.core.preferences.RcpPreferenceProvider.getEnum(RcpPreferenceProvider.java:117) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TAPreferences.insufficientThreadErrorsVsProgramErrors(TAPreferences.java:218) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.partitionErrorLocations(TraceAbstractionStarter.java:394) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:280) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:225) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:173) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-08-30 22:31:00,008 INFO L158 Benchmark]: Toolchain (without parser) took 937.85ms. Allocated memory is still 94.4MB. Free memory was 71.1MB in the beginning and 40.8MB in the end (delta: 30.4MB). Peak memory consumption was 30.6MB. Max. memory is 16.1GB. [2023-08-30 22:31:00,008 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 65.0MB. Free memory is still 42.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-08-30 22:31:00,009 INFO L158 Benchmark]: CACSL2BoogieTranslator took 382.20ms. Allocated memory is still 94.4MB. Free memory was 71.1MB in the beginning and 71.3MB in the end (delta: -146.0kB). Peak memory consumption was 24.3MB. Max. memory is 16.1GB. [2023-08-30 22:31:00,009 INFO L158 Benchmark]: Boogie Procedure Inliner took 54.56ms. Allocated memory is still 94.4MB. Free memory was 71.3MB in the beginning and 69.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-30 22:31:00,010 INFO L158 Benchmark]: Boogie Preprocessor took 51.54ms. Allocated memory is still 94.4MB. Free memory was 69.2MB in the beginning and 67.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-30 22:31:00,010 INFO L158 Benchmark]: RCFGBuilder took 364.54ms. Allocated memory is still 94.4MB. Free memory was 67.0MB in the beginning and 49.2MB in the end (delta: 17.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-08-30 22:31:00,010 INFO L158 Benchmark]: TraceAbstraction took 79.48ms. Allocated memory is still 94.4MB. Free memory was 48.7MB in the beginning and 40.8MB in the end (delta: 7.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-08-30 22:31:00,016 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 65.0MB. Free memory is still 42.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 382.20ms. Allocated memory is still 94.4MB. Free memory was 71.1MB in the beginning and 71.3MB in the end (delta: -146.0kB). Peak memory consumption was 24.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 54.56ms. Allocated memory is still 94.4MB. Free memory was 71.3MB in the beginning and 69.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 51.54ms. Allocated memory is still 94.4MB. Free memory was 69.2MB in the beginning and 67.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 364.54ms. Allocated memory is still 94.4MB. Free memory was 67.0MB in the beginning and 49.2MB in the end (delta: 17.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 79.48ms. Allocated memory is still 94.4MB. Free memory was 48.7MB in the beginning and 40.8MB in the end (delta: 7.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: IllegalArgumentException: No enum constant de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TraceAbstractionPreferenceInitializer.InsufficientError.DEFORE de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: IllegalArgumentException: No enum constant de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TraceAbstractionPreferenceInitializer.InsufficientError.DEFORE: java.base/java.lang.Enum.valueOf(Enum.java:240) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-08-30 22:31:00,028 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