./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/valid-memsafety.prp --file ../../../trunk/examples/svcomp/goblint-regression/28-race_reach_41-trylock_racefree.i --full-output --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations DEFORE --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version b8dbc81d Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../../../trunk/examples/svcomp/goblint-regression/28-race_reach_41-trylock_racefree.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash af00d5f4cc6a18cb9fd8a5151467217fe3ddb5ee0fa30b2cfbd9dd374105ee15 --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations DEFORE --- Real Ultimate output --- This is Ultimate 0.2.3-?-b8dbc81 [2023-08-30 02:01:01,237 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-30 02:01:01,240 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-30 02:01:01,284 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-30 02:01:01,284 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-30 02:01:01,287 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-30 02:01:01,289 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-30 02:01:01,293 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-30 02:01:01,294 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-30 02:01:01,299 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-30 02:01:01,300 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-30 02:01:01,302 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-30 02:01:01,302 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-30 02:01:01,305 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-30 02:01:01,306 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-30 02:01:01,313 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-30 02:01:01,315 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-30 02:01:01,317 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-30 02:01:01,318 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-30 02:01:01,324 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-30 02:01:01,331 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-30 02:01:01,332 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-30 02:01:01,333 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-30 02:01:01,334 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-30 02:01:01,341 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-30 02:01:01,341 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-30 02:01:01,342 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-30 02:01:01,343 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-30 02:01:01,344 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-30 02:01:01,345 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-30 02:01:01,345 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-30 02:01:01,347 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-30 02:01:01,348 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-30 02:01:01,349 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-30 02:01:01,350 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-30 02:01:01,350 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-30 02:01:01,351 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-30 02:01:01,351 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-30 02:01:01,351 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-30 02:01:01,352 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-30 02:01:01,352 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-30 02:01:01,354 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2023-08-30 02:01:01,388 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-30 02:01:01,388 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-30 02:01:01,389 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-30 02:01:01,389 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-30 02:01:01,390 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-30 02:01:01,390 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-30 02:01:01,391 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-30 02:01:01,391 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-30 02:01:01,391 INFO L138 SettingsManager]: * Use SBE=true [2023-08-30 02:01:01,391 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-30 02:01:01,392 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-30 02:01:01,392 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-30 02:01:01,393 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-30 02:01:01,393 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-30 02:01:01,393 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-30 02:01:01,393 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-08-30 02:01:01,393 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2023-08-30 02:01:01,394 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-08-30 02:01:01,394 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-30 02:01:01,394 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-08-30 02:01:01,394 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-30 02:01:01,394 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-30 02:01:01,395 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-30 02:01:01,395 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-30 02:01:01,395 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-30 02:01:01,395 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 02:01:01,395 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-30 02:01:01,396 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-30 02:01:01,396 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-30 02:01:01,396 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-30 02:01:01,396 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-30 02:01:01,396 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-30 02:01:01,397 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-30 02:01:01,397 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-30 02:01:01,397 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> af00d5f4cc6a18cb9fd8a5151467217fe3ddb5ee0fa30b2cfbd9dd374105ee15 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> DEFORE [2023-08-30 02:01:01,745 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-30 02:01:01,761 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-30 02:01:01,763 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-30 02:01:01,764 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-30 02:01:01,765 INFO L275 PluginConnector]: CDTParser initialized [2023-08-30 02:01:01,766 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/28-race_reach_41-trylock_racefree.i [2023-08-30 02:01:02,957 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-30 02:01:03,243 INFO L351 CDTParser]: Found 1 translation units. [2023-08-30 02:01:03,245 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_41-trylock_racefree.i [2023-08-30 02:01:03,262 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3f5485514/69b4e12ea35945c2999f26cad8214f1d/FLAGb2eb007f3 [2023-08-30 02:01:03,276 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3f5485514/69b4e12ea35945c2999f26cad8214f1d [2023-08-30 02:01:03,278 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-30 02:01:03,279 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-30 02:01:03,280 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-30 02:01:03,281 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-30 02:01:03,283 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-30 02:01:03,284 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 02:01:03" (1/1) ... [2023-08-30 02:01:03,285 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c1af7dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:01:03, skipping insertion in model container [2023-08-30 02:01:03,285 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 02:01:03" (1/1) ... [2023-08-30 02:01:03,291 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-30 02:01:03,346 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-30 02:01:03,599 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_41-trylock_racefree.i[30176,30189] [2023-08-30 02:01:03,626 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 02:01:03,638 INFO L203 MainTranslator]: Completed pre-run [2023-08-30 02:01:03,681 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_41-trylock_racefree.i[30176,30189] [2023-08-30 02:01:03,687 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 02:01:03,765 INFO L208 MainTranslator]: Completed translation [2023-08-30 02:01:03,766 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:01:03 WrapperNode [2023-08-30 02:01:03,766 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-30 02:01:03,767 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-30 02:01:03,767 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-30 02:01:03,767 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-30 02:01:03,773 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:01:03" (1/1) ... [2023-08-30 02:01:03,799 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:01:03" (1/1) ... [2023-08-30 02:01:03,825 INFO L138 Inliner]: procedures = 171, calls = 30, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 77 [2023-08-30 02:01:03,825 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-30 02:01:03,826 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-30 02:01:03,826 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-30 02:01:03,826 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-30 02:01:03,834 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:01:03" (1/1) ... [2023-08-30 02:01:03,835 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:01:03" (1/1) ... [2023-08-30 02:01:03,849 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:01:03" (1/1) ... [2023-08-30 02:01:03,850 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:01:03" (1/1) ... [2023-08-30 02:01:03,858 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:01:03" (1/1) ... [2023-08-30 02:01:03,862 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:01:03" (1/1) ... [2023-08-30 02:01:03,863 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:01:03" (1/1) ... [2023-08-30 02:01:03,864 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:01:03" (1/1) ... [2023-08-30 02:01:03,866 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-30 02:01:03,867 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-30 02:01:03,867 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-30 02:01:03,867 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-30 02:01:03,868 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:01:03" (1/1) ... [2023-08-30 02:01:03,873 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 02:01:03,896 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-30 02:01:03,913 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-08-30 02:01:03,920 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-08-30 02:01:03,942 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-30 02:01:03,942 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-30 02:01:03,942 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-08-30 02:01:03,942 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-30 02:01:03,943 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-30 02:01:03,943 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2023-08-30 02:01:03,943 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2023-08-30 02:01:03,943 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-30 02:01:03,943 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexTryLock [2023-08-30 02:01:03,943 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-30 02:01:03,944 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-30 02:01:03,944 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-30 02:01:03,945 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-08-30 02:01:04,053 INFO L236 CfgBuilder]: Building ICFG [2023-08-30 02:01:04,055 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-30 02:01:04,299 INFO L277 CfgBuilder]: Performing block encoding [2023-08-30 02:01:04,320 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-30 02:01:04,321 INFO L302 CfgBuilder]: Removed 11 assume(true) statements. [2023-08-30 02:01:04,322 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 02:01:04 BoogieIcfgContainer [2023-08-30 02:01:04,323 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-30 02:01:04,324 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-30 02:01:04,324 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-30 02:01:04,327 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-30 02:01:04,329 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.08 02:01:03" (1/3) ... [2023-08-30 02:01:04,329 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@545a9e09 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 02:01:04, skipping insertion in model container [2023-08-30 02:01:04,330 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:01:03" (2/3) ... [2023-08-30 02:01:04,330 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@545a9e09 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 02:01:04, skipping insertion in model container [2023-08-30 02:01:04,330 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 02:01:04" (3/3) ... [2023-08-30 02:01:04,331 INFO L112 eAbstractionObserver]: Analyzing ICFG 28-race_reach_41-trylock_racefree.i [2023-08-30 02:01:04,347 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-30 02:01:04,347 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2023-08-30 02:01:04,347 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-30 02:01:04,446 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2023-08-30 02:01:04,459 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.IllegalArgumentException: No enum constant de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TraceAbstractionPreferenceInitializer.InsufficientError.DEFORE at java.base/java.lang.Enum.valueOf(Enum.java:240) at de.uni_freiburg.informatik.ultimate.core.preferences.RcpPreferenceProvider.getEnum(RcpPreferenceProvider.java:117) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TAPreferences.insufficientThreadErrorsVsProgramErrors(TAPreferences.java:218) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.partitionErrorLocations(TraceAbstractionStarter.java:394) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:280) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:225) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:173) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-08-30 02:01:04,467 INFO L158 Benchmark]: Toolchain (without parser) took 1186.26ms. Allocated memory is still 69.2MB. Free memory was 45.8MB in the beginning and 38.3MB in the end (delta: 7.5MB). Peak memory consumption was 9.7MB. Max. memory is 16.1GB. [2023-08-30 02:01:04,468 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 56.6MB. Free memory was 34.6MB in the beginning and 34.5MB in the end (delta: 97.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-08-30 02:01:04,469 INFO L158 Benchmark]: CACSL2BoogieTranslator took 485.86ms. Allocated memory is still 69.2MB. Free memory was 45.6MB in the beginning and 43.8MB in the end (delta: 1.8MB). Peak memory consumption was 19.7MB. Max. memory is 16.1GB. [2023-08-30 02:01:04,469 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.58ms. Allocated memory is still 69.2MB. Free memory was 43.8MB in the beginning and 41.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-30 02:01:04,470 INFO L158 Benchmark]: Boogie Preprocessor took 40.54ms. Allocated memory is still 69.2MB. Free memory was 41.7MB in the beginning and 40.1MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2023-08-30 02:01:04,471 INFO L158 Benchmark]: RCFGBuilder took 455.54ms. Allocated memory is still 69.2MB. Free memory was 40.1MB in the beginning and 45.6MB in the end (delta: -5.5MB). Peak memory consumption was 19.3MB. Max. memory is 16.1GB. [2023-08-30 02:01:04,472 INFO L158 Benchmark]: TraceAbstraction took 140.49ms. Allocated memory is still 69.2MB. Free memory was 45.0MB in the beginning and 38.3MB in the end (delta: 6.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-08-30 02:01:04,478 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 56.6MB. Free memory was 34.6MB in the beginning and 34.5MB in the end (delta: 97.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 485.86ms. Allocated memory is still 69.2MB. Free memory was 45.6MB in the beginning and 43.8MB in the end (delta: 1.8MB). Peak memory consumption was 19.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 58.58ms. Allocated memory is still 69.2MB. Free memory was 43.8MB in the beginning and 41.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 40.54ms. Allocated memory is still 69.2MB. Free memory was 41.7MB in the beginning and 40.1MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 455.54ms. Allocated memory is still 69.2MB. Free memory was 40.1MB in the beginning and 45.6MB in the end (delta: -5.5MB). Peak memory consumption was 19.3MB. Max. memory is 16.1GB. * TraceAbstraction took 140.49ms. Allocated memory is still 69.2MB. Free memory was 45.0MB in the beginning and 38.3MB in the end (delta: 6.7MB). 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. [2023-08-30 02:01:04,500 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../../../trunk/examples/svcomp/goblint-regression/28-race_reach_41-trylock_racefree.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash af00d5f4cc6a18cb9fd8a5151467217fe3ddb5ee0fa30b2cfbd9dd374105ee15 --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations DEFORE --- Real Ultimate output --- This is Ultimate 0.2.3-?-b8dbc81 [2023-08-30 02:01:06,436 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-30 02:01:06,438 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-30 02:01:06,481 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-30 02:01:06,482 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-30 02:01:06,485 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-30 02:01:06,486 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-30 02:01:06,489 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-30 02:01:06,491 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-30 02:01:06,495 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-30 02:01:06,496 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-30 02:01:06,498 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-30 02:01:06,498 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-30 02:01:06,500 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-30 02:01:06,502 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-30 02:01:06,506 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-30 02:01:06,507 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-30 02:01:06,509 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-30 02:01:06,510 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-30 02:01:06,515 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-30 02:01:06,516 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-30 02:01:06,517 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-30 02:01:06,518 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-30 02:01:06,519 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-30 02:01:06,525 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-30 02:01:06,525 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-30 02:01:06,525 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-30 02:01:06,527 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-30 02:01:06,528 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-30 02:01:06,528 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-30 02:01:06,529 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-30 02:01:06,530 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-30 02:01:06,532 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-30 02:01:06,532 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-30 02:01:06,533 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-30 02:01:06,533 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-30 02:01:06,534 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-30 02:01:06,534 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-30 02:01:06,534 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-30 02:01:06,535 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-30 02:01:06,535 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-30 02:01:06,537 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2023-08-30 02:01:06,573 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-30 02:01:06,573 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-30 02:01:06,574 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-30 02:01:06,575 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-30 02:01:06,575 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-30 02:01:06,576 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-30 02:01:06,576 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-30 02:01:06,576 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-30 02:01:06,577 INFO L138 SettingsManager]: * Use SBE=true [2023-08-30 02:01:06,577 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-30 02:01:06,578 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-30 02:01:06,578 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-30 02:01:06,578 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-30 02:01:06,578 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-30 02:01:06,578 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-30 02:01:06,579 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-08-30 02:01:06,579 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2023-08-30 02:01:06,579 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-08-30 02:01:06,579 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-30 02:01:06,579 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-08-30 02:01:06,579 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2023-08-30 02:01:06,580 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-08-30 02:01:06,580 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-30 02:01:06,580 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-30 02:01:06,580 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-30 02:01:06,580 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-30 02:01:06,581 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-30 02:01:06,581 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 02:01:06,581 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-30 02:01:06,581 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-30 02:01:06,581 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2023-08-30 02:01:06,581 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-08-30 02:01:06,582 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-30 02:01:06,582 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-30 02:01:06,582 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-30 02:01:06,582 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2023-08-30 02:01:06,582 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-30 02:01:06,583 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> af00d5f4cc6a18cb9fd8a5151467217fe3ddb5ee0fa30b2cfbd9dd374105ee15 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> DEFORE [2023-08-30 02:01:06,898 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-30 02:01:06,920 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-30 02:01:06,923 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-30 02:01:06,924 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-30 02:01:06,925 INFO L275 PluginConnector]: CDTParser initialized [2023-08-30 02:01:06,926 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/28-race_reach_41-trylock_racefree.i [2023-08-30 02:01:08,241 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-30 02:01:08,471 INFO L351 CDTParser]: Found 1 translation units. [2023-08-30 02:01:08,471 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_41-trylock_racefree.i [2023-08-30 02:01:08,491 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2f57602a9/c00f333115be4db5936ac567d0afff5a/FLAG9d68765fe [2023-08-30 02:01:08,503 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2f57602a9/c00f333115be4db5936ac567d0afff5a [2023-08-30 02:01:08,505 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-30 02:01:08,506 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-30 02:01:08,517 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-30 02:01:08,518 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-30 02:01:08,520 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-30 02:01:08,521 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 02:01:08" (1/1) ... [2023-08-30 02:01:08,523 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22af2d7b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:01:08, skipping insertion in model container [2023-08-30 02:01:08,523 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 02:01:08" (1/1) ... [2023-08-30 02:01:08,528 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-30 02:01:08,578 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-30 02:01:08,838 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_41-trylock_racefree.i[30176,30189] [2023-08-30 02:01:08,864 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 02:01:08,880 INFO L203 MainTranslator]: Completed pre-run [2023-08-30 02:01:08,925 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_41-trylock_racefree.i[30176,30189] [2023-08-30 02:01:08,940 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 02:01:09,000 INFO L208 MainTranslator]: Completed translation [2023-08-30 02:01:09,000 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:01:09 WrapperNode [2023-08-30 02:01:09,000 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-30 02:01:09,002 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-30 02:01:09,002 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-30 02:01:09,002 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-30 02:01:09,008 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:01:09" (1/1) ... [2023-08-30 02:01:09,040 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:01:09" (1/1) ... [2023-08-30 02:01:09,066 INFO L138 Inliner]: procedures = 175, calls = 30, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 78 [2023-08-30 02:01:09,067 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-30 02:01:09,068 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-30 02:01:09,068 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-30 02:01:09,069 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-30 02:01:09,077 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:01:09" (1/1) ... [2023-08-30 02:01:09,077 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:01:09" (1/1) ... [2023-08-30 02:01:09,088 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:01:09" (1/1) ... [2023-08-30 02:01:09,089 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:01:09" (1/1) ... [2023-08-30 02:01:09,099 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:01:09" (1/1) ... [2023-08-30 02:01:09,107 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:01:09" (1/1) ... [2023-08-30 02:01:09,114 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:01:09" (1/1) ... [2023-08-30 02:01:09,120 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:01:09" (1/1) ... [2023-08-30 02:01:09,122 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-30 02:01:09,126 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-30 02:01:09,126 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-30 02:01:09,126 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-30 02:01:09,127 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:01:09" (1/1) ... [2023-08-30 02:01:09,132 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 02:01:09,142 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-30 02:01:09,158 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-08-30 02:01:09,177 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-08-30 02:01:09,193 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-08-30 02:01:09,194 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-08-30 02:01:09,194 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-30 02:01:09,194 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-30 02:01:09,194 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2023-08-30 02:01:09,194 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2023-08-30 02:01:09,195 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-30 02:01:09,195 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-08-30 02:01:09,195 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-08-30 02:01:09,195 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-08-30 02:01:09,195 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexTryLock [2023-08-30 02:01:09,195 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-30 02:01:09,195 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-30 02:01:09,197 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-08-30 02:01:09,366 INFO L236 CfgBuilder]: Building ICFG [2023-08-30 02:01:09,368 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-30 02:01:09,728 INFO L277 CfgBuilder]: Performing block encoding [2023-08-30 02:01:09,735 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-30 02:01:09,737 INFO L302 CfgBuilder]: Removed 11 assume(true) statements. [2023-08-30 02:01:09,739 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 02:01:09 BoogieIcfgContainer [2023-08-30 02:01:09,740 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-30 02:01:09,742 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-30 02:01:09,743 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-30 02:01:09,746 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-30 02:01:09,746 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.08 02:01:08" (1/3) ... [2023-08-30 02:01:09,747 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@187c4937 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 02:01:09, skipping insertion in model container [2023-08-30 02:01:09,747 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:01:09" (2/3) ... [2023-08-30 02:01:09,748 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@187c4937 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 02:01:09, skipping insertion in model container [2023-08-30 02:01:09,748 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 02:01:09" (3/3) ... [2023-08-30 02:01:09,750 INFO L112 eAbstractionObserver]: Analyzing ICFG 28-race_reach_41-trylock_racefree.i [2023-08-30 02:01:09,764 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-30 02:01:09,764 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2023-08-30 02:01:09,764 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-30 02:01:09,851 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2023-08-30 02:01:09,857 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.IllegalArgumentException: No enum constant de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TraceAbstractionPreferenceInitializer.InsufficientError.DEFORE at java.base/java.lang.Enum.valueOf(Enum.java:240) at de.uni_freiburg.informatik.ultimate.core.preferences.RcpPreferenceProvider.getEnum(RcpPreferenceProvider.java:117) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TAPreferences.insufficientThreadErrorsVsProgramErrors(TAPreferences.java:218) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.partitionErrorLocations(TraceAbstractionStarter.java:394) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:280) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:225) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:173) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-08-30 02:01:09,862 INFO L158 Benchmark]: Toolchain (without parser) took 1354.84ms. Allocated memory was 67.1MB in the beginning and 100.7MB in the end (delta: 33.6MB). Free memory was 30.4MB in the beginning and 73.1MB in the end (delta: -42.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-08-30 02:01:09,863 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 67.1MB. Free memory is still 44.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-08-30 02:01:09,863 INFO L158 Benchmark]: CACSL2BoogieTranslator took 483.36ms. Allocated memory was 67.1MB in the beginning and 100.7MB in the end (delta: 33.6MB). Free memory was 47.9MB in the beginning and 74.5MB in the end (delta: -26.6MB). Peak memory consumption was 19.4MB. Max. memory is 16.1GB. [2023-08-30 02:01:09,864 INFO L158 Benchmark]: Boogie Procedure Inliner took 65.39ms. Allocated memory is still 100.7MB. Free memory was 74.5MB in the beginning and 72.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-30 02:01:09,864 INFO L158 Benchmark]: Boogie Preprocessor took 56.79ms. Allocated memory is still 100.7MB. Free memory was 72.4MB in the beginning and 70.7MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2023-08-30 02:01:09,865 INFO L158 Benchmark]: RCFGBuilder took 614.83ms. Allocated memory is still 100.7MB. Free memory was 70.3MB in the beginning and 53.1MB in the end (delta: 17.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-08-30 02:01:09,865 INFO L158 Benchmark]: TraceAbstraction took 118.43ms. Allocated memory is still 100.7MB. Free memory was 52.6MB in the beginning and 73.1MB in the end (delta: -20.5MB). Peak memory consumption was 4.8MB. Max. memory is 16.1GB. [2023-08-30 02:01:09,868 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 67.1MB. Free memory is still 44.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 483.36ms. Allocated memory was 67.1MB in the beginning and 100.7MB in the end (delta: 33.6MB). Free memory was 47.9MB in the beginning and 74.5MB in the end (delta: -26.6MB). Peak memory consumption was 19.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 65.39ms. Allocated memory is still 100.7MB. Free memory was 74.5MB in the beginning and 72.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 56.79ms. Allocated memory is still 100.7MB. Free memory was 72.4MB in the beginning and 70.7MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 614.83ms. Allocated memory is still 100.7MB. Free memory was 70.3MB in the beginning and 53.1MB in the end (delta: 17.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 118.43ms. Allocated memory is still 100.7MB. Free memory was 52.6MB in the beginning and 73.1MB in the end (delta: -20.5MB). Peak memory consumption was 4.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: IllegalArgumentException: No enum constant de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TraceAbstractionPreferenceInitializer.InsufficientError.DEFORE de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: IllegalArgumentException: No enum constant de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TraceAbstractionPreferenceInitializer.InsufficientError.DEFORE: java.base/java.lang.Enum.valueOf(Enum.java:240) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-08-30 02:01:09,891 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: IllegalArgumentException: No enum constant de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TraceAbstractionPreferenceInitializer.InsufficientError.DEFORE