./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/valid-memsafety.prp --file ../../../trunk/examples/svcomp/goblint-regression/28-race_reach_51-mutexptr_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_51-mutexptr_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 f222d5749b9bb10b4d4c09b2c40e45ee19dec77732a8593ce917652e8ca8a43e --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 02:01:09,294 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-30 02:01:09,296 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-30 02:01:09,346 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-30 02:01:09,348 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-30 02:01:09,352 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-30 02:01:09,353 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-30 02:01:09,355 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-30 02:01:09,357 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-30 02:01:09,362 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-30 02:01:09,364 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-30 02:01:09,365 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-30 02:01:09,366 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-30 02:01:09,368 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-30 02:01:09,369 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-30 02:01:09,370 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-30 02:01:09,373 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-30 02:01:09,374 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-30 02:01:09,376 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-30 02:01:09,378 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-30 02:01:09,384 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-30 02:01:09,388 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-30 02:01:09,389 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-30 02:01:09,390 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-30 02:01:09,393 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-30 02:01:09,395 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-30 02:01:09,395 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-30 02:01:09,396 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-30 02:01:09,397 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-30 02:01:09,398 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-30 02:01:09,399 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-30 02:01:09,399 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-30 02:01:09,400 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-30 02:01:09,401 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-30 02:01:09,403 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-30 02:01:09,403 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-30 02:01:09,404 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-30 02:01:09,404 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-30 02:01:09,404 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-30 02:01:09,405 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-30 02:01:09,406 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-30 02:01:09,407 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2023-08-30 02:01:09,456 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-30 02:01:09,457 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-30 02:01:09,458 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-30 02:01:09,458 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-30 02:01:09,459 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-30 02:01:09,459 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-30 02:01:09,459 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-30 02:01:09,460 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-30 02:01:09,460 INFO L138 SettingsManager]: * Use SBE=true [2023-08-30 02:01:09,460 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-30 02:01:09,461 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-30 02:01:09,461 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-30 02:01:09,461 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-30 02:01:09,461 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-30 02:01:09,461 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-30 02:01:09,462 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-08-30 02:01:09,462 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2023-08-30 02:01:09,462 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-08-30 02:01:09,462 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-30 02:01:09,462 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-08-30 02:01:09,462 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-30 02:01:09,463 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-30 02:01:09,463 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-30 02:01:09,463 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-30 02:01:09,463 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-30 02:01:09,463 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 02:01:09,464 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-30 02:01:09,464 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-30 02:01:09,464 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-30 02:01:09,464 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-30 02:01:09,464 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-30 02:01:09,465 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-30 02:01:09,465 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-30 02:01:09,465 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-30 02:01:09,465 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f222d5749b9bb10b4d4c09b2c40e45ee19dec77732a8593ce917652e8ca8a43e Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> DEFORE [2023-08-30 02:01:09,731 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-30 02:01:09,751 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-30 02:01:09,754 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-30 02:01:09,755 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-30 02:01:09,756 INFO L275 PluginConnector]: CDTParser initialized [2023-08-30 02:01:09,757 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/28-race_reach_51-mutexptr_racefree.i [2023-08-30 02:01:10,819 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-30 02:01:11,061 INFO L351 CDTParser]: Found 1 translation units. [2023-08-30 02:01:11,062 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_51-mutexptr_racefree.i [2023-08-30 02:01:11,071 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/530020b2c/adbe54a8bcae4cc7ae1d9dc4f6bad6ec/FLAG60d8c679e [2023-08-30 02:01:11,086 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/530020b2c/adbe54a8bcae4cc7ae1d9dc4f6bad6ec [2023-08-30 02:01:11,089 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-30 02:01:11,090 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-30 02:01:11,091 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-30 02:01:11,091 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-30 02:01:11,094 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-30 02:01:11,095 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 02:01:11" (1/1) ... [2023-08-30 02:01:11,095 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@40240499 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:01:11, skipping insertion in model container [2023-08-30 02:01:11,096 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 02:01:11" (1/1) ... [2023-08-30 02:01:11,101 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-30 02:01:11,124 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-30 02:01:11,353 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_51-mutexptr_racefree.i[30176,30189] [2023-08-30 02:01:11,378 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 02:01:11,390 INFO L203 MainTranslator]: Completed pre-run [2023-08-30 02:01:11,438 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_51-mutexptr_racefree.i[30176,30189] [2023-08-30 02:01:11,444 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 02:01:11,477 INFO L208 MainTranslator]: Completed translation [2023-08-30 02:01:11,478 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:01:11 WrapperNode [2023-08-30 02:01:11,478 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-30 02:01:11,479 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-30 02:01:11,479 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-30 02:01:11,479 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-30 02:01:11,485 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:01:11" (1/1) ... [2023-08-30 02:01:11,503 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:01:11" (1/1) ... [2023-08-30 02:01:11,528 INFO L138 Inliner]: procedures = 170, calls = 37, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 88 [2023-08-30 02:01:11,528 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-30 02:01:11,529 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-30 02:01:11,530 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-30 02:01:11,530 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-30 02:01:11,537 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:01:11" (1/1) ... [2023-08-30 02:01:11,538 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:01:11" (1/1) ... [2023-08-30 02:01:11,543 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:01:11" (1/1) ... [2023-08-30 02:01:11,543 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:01:11" (1/1) ... [2023-08-30 02:01:11,549 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:01:11" (1/1) ... [2023-08-30 02:01:11,552 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:01:11" (1/1) ... [2023-08-30 02:01:11,553 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:01:11" (1/1) ... [2023-08-30 02:01:11,554 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:01:11" (1/1) ... [2023-08-30 02:01:11,557 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-30 02:01:11,558 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-30 02:01:11,558 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-30 02:01:11,558 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-30 02:01:11,559 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:01:11" (1/1) ... [2023-08-30 02:01:11,564 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 02:01:11,577 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-30 02:01:11,594 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 02:01:11,619 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 02:01:11,636 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-30 02:01:11,636 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-30 02:01:11,637 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-08-30 02:01:11,637 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-30 02:01:11,637 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-30 02:01:11,637 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2023-08-30 02:01:11,637 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2023-08-30 02:01:11,637 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-30 02:01:11,638 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-30 02:01:11,638 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-30 02:01:11,638 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-30 02:01:11,639 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 02:01:11,828 INFO L236 CfgBuilder]: Building ICFG [2023-08-30 02:01:11,830 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-30 02:01:12,106 INFO L277 CfgBuilder]: Performing block encoding [2023-08-30 02:01:12,112 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-30 02:01:12,113 INFO L302 CfgBuilder]: Removed 10 assume(true) statements. [2023-08-30 02:01:12,114 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 02:01:12 BoogieIcfgContainer [2023-08-30 02:01:12,115 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-30 02:01:12,117 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-30 02:01:12,117 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-30 02:01:12,120 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-30 02:01:12,120 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.08 02:01:11" (1/3) ... [2023-08-30 02:01:12,126 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6780bd7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 02:01:12, skipping insertion in model container [2023-08-30 02:01:12,126 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:01:11" (2/3) ... [2023-08-30 02:01:12,126 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6780bd7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 02:01:12, skipping insertion in model container [2023-08-30 02:01:12,127 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 02:01:12" (3/3) ... [2023-08-30 02:01:12,128 INFO L112 eAbstractionObserver]: Analyzing ICFG 28-race_reach_51-mutexptr_racefree.i [2023-08-30 02:01:12,143 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-30 02:01:12,143 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 16 error locations. [2023-08-30 02:01:12,143 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-30 02:01:12,199 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2023-08-30 02:01:12,205 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 02:01:12,209 INFO L158 Benchmark]: Toolchain (without parser) took 1117.81ms. Allocated memory was 69.2MB in the beginning and 83.9MB in the end (delta: 14.7MB). Free memory was 45.0MB in the beginning and 43.7MB in the end (delta: 1.3MB). Peak memory consumption was 17.8MB. Max. memory is 16.1GB. [2023-08-30 02:01:12,210 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 52.4MB. Free memory was 30.6MB in the beginning and 30.6MB in the end (delta: 37.5kB). There was no memory consumed. Max. memory is 16.1GB. [2023-08-30 02:01:12,211 INFO L158 Benchmark]: CACSL2BoogieTranslator took 387.03ms. Allocated memory is still 69.2MB. Free memory was 44.6MB in the beginning and 41.9MB in the end (delta: 2.7MB). Peak memory consumption was 18.7MB. Max. memory is 16.1GB. [2023-08-30 02:01:12,211 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.49ms. Allocated memory is still 69.2MB. Free memory was 41.9MB in the beginning and 39.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-30 02:01:12,213 INFO L158 Benchmark]: Boogie Preprocessor took 27.58ms. Allocated memory is still 69.2MB. Free memory was 39.5MB in the beginning and 37.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-30 02:01:12,214 INFO L158 Benchmark]: RCFGBuilder took 557.12ms. Allocated memory was 69.2MB in the beginning and 83.9MB in the end (delta: 14.7MB). Free memory was 37.9MB in the beginning and 52.5MB in the end (delta: -14.6MB). Peak memory consumption was 9.6MB. Max. memory is 16.1GB. [2023-08-30 02:01:12,214 INFO L158 Benchmark]: TraceAbstraction took 90.32ms. Allocated memory is still 83.9MB. Free memory was 52.1MB in the beginning and 43.7MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-08-30 02:01:12,223 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 52.4MB. Free memory was 30.6MB in the beginning and 30.6MB in the end (delta: 37.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 387.03ms. Allocated memory is still 69.2MB. Free memory was 44.6MB in the beginning and 41.9MB in the end (delta: 2.7MB). Peak memory consumption was 18.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 49.49ms. Allocated memory is still 69.2MB. Free memory was 41.9MB in the beginning and 39.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 27.58ms. Allocated memory is still 69.2MB. Free memory was 39.5MB in the beginning and 37.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 557.12ms. Allocated memory was 69.2MB in the beginning and 83.9MB in the end (delta: 14.7MB). Free memory was 37.9MB in the beginning and 52.5MB in the end (delta: -14.6MB). Peak memory consumption was 9.6MB. Max. memory is 16.1GB. * TraceAbstraction took 90.32ms. Allocated memory is still 83.9MB. Free memory was 52.1MB in the beginning and 43.7MB in the end (delta: 8.4MB). 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 02:01:12,241 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../../../trunk/examples/svcomp/goblint-regression/28-race_reach_51-mutexptr_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 f222d5749b9bb10b4d4c09b2c40e45ee19dec77732a8593ce917652e8ca8a43e --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 02:01:14,043 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-30 02:01:14,044 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-30 02:01:14,073 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-30 02:01:14,075 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-30 02:01:14,077 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-30 02:01:14,080 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-30 02:01:14,082 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-30 02:01:14,084 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-30 02:01:14,088 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-30 02:01:14,089 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-30 02:01:14,092 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-30 02:01:14,092 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-30 02:01:14,094 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-30 02:01:14,095 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-30 02:01:14,096 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-30 02:01:14,097 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-30 02:01:14,097 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-30 02:01:14,099 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-30 02:01:14,100 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-30 02:01:14,101 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-30 02:01:14,102 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-30 02:01:14,103 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-30 02:01:14,104 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-30 02:01:14,111 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-30 02:01:14,114 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-30 02:01:14,114 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-30 02:01:14,115 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-30 02:01:14,116 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-30 02:01:14,117 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-30 02:01:14,117 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-30 02:01:14,118 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-30 02:01:14,119 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-30 02:01:14,119 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-30 02:01:14,120 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-30 02:01:14,120 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-30 02:01:14,121 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-30 02:01:14,121 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-30 02:01:14,121 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-30 02:01:14,127 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-30 02:01:14,129 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-30 02:01:14,131 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2023-08-30 02:01:14,166 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-30 02:01:14,166 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-30 02:01:14,167 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-30 02:01:14,167 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-30 02:01:14,168 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-30 02:01:14,169 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-30 02:01:14,170 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-30 02:01:14,170 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-30 02:01:14,170 INFO L138 SettingsManager]: * Use SBE=true [2023-08-30 02:01:14,170 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-30 02:01:14,171 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-30 02:01:14,171 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-30 02:01:14,172 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-30 02:01:14,172 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-30 02:01:14,172 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-30 02:01:14,172 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-08-30 02:01:14,172 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2023-08-30 02:01:14,172 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-08-30 02:01:14,173 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-30 02:01:14,173 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-08-30 02:01:14,173 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2023-08-30 02:01:14,173 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-08-30 02:01:14,173 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-30 02:01:14,174 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-30 02:01:14,174 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-30 02:01:14,174 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-30 02:01:14,174 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-30 02:01:14,174 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 02:01:14,175 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-30 02:01:14,175 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-30 02:01:14,175 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2023-08-30 02:01:14,175 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-08-30 02:01:14,175 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-30 02:01:14,176 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-30 02:01:14,176 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-30 02:01:14,176 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2023-08-30 02:01:14,176 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-30 02:01:14,176 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f222d5749b9bb10b4d4c09b2c40e45ee19dec77732a8593ce917652e8ca8a43e Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> DEFORE [2023-08-30 02:01:14,471 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-30 02:01:14,493 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-30 02:01:14,496 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-30 02:01:14,496 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-30 02:01:14,497 INFO L275 PluginConnector]: CDTParser initialized [2023-08-30 02:01:14,498 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/28-race_reach_51-mutexptr_racefree.i [2023-08-30 02:01:15,791 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-30 02:01:16,060 INFO L351 CDTParser]: Found 1 translation units. [2023-08-30 02:01:16,074 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_51-mutexptr_racefree.i [2023-08-30 02:01:16,091 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c691f6b71/e92a197f5a5b4d6cae647fb2bd7b8935/FLAG1e72aa391 [2023-08-30 02:01:16,115 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c691f6b71/e92a197f5a5b4d6cae647fb2bd7b8935 [2023-08-30 02:01:16,117 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-30 02:01:16,118 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-30 02:01:16,122 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-30 02:01:16,123 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-30 02:01:16,125 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-30 02:01:16,126 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 02:01:16" (1/1) ... [2023-08-30 02:01:16,127 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34c25ce8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:01:16, skipping insertion in model container [2023-08-30 02:01:16,127 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 02:01:16" (1/1) ... [2023-08-30 02:01:16,133 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-30 02:01:16,184 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-30 02:01:16,492 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_51-mutexptr_racefree.i[30176,30189] [2023-08-30 02:01:16,516 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 02:01:16,532 INFO L203 MainTranslator]: Completed pre-run [2023-08-30 02:01:16,558 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_51-mutexptr_racefree.i[30176,30189] [2023-08-30 02:01:16,566 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 02:01:16,612 INFO L208 MainTranslator]: Completed translation [2023-08-30 02:01:16,612 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:01:16 WrapperNode [2023-08-30 02:01:16,612 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-30 02:01:16,613 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-30 02:01:16,614 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-30 02:01:16,614 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-30 02:01:16,620 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:01:16" (1/1) ... [2023-08-30 02:01:16,634 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:01:16" (1/1) ... [2023-08-30 02:01:16,651 INFO L138 Inliner]: procedures = 174, calls = 37, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 89 [2023-08-30 02:01:16,651 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-30 02:01:16,652 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-30 02:01:16,652 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-30 02:01:16,652 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-30 02:01:16,659 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:01:16" (1/1) ... [2023-08-30 02:01:16,660 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:01:16" (1/1) ... [2023-08-30 02:01:16,668 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:01:16" (1/1) ... [2023-08-30 02:01:16,668 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:01:16" (1/1) ... [2023-08-30 02:01:16,675 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:01:16" (1/1) ... [2023-08-30 02:01:16,679 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:01:16" (1/1) ... [2023-08-30 02:01:16,681 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:01:16" (1/1) ... [2023-08-30 02:01:16,682 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:01:16" (1/1) ... [2023-08-30 02:01:16,685 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-30 02:01:16,686 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-30 02:01:16,686 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-30 02:01:16,686 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-30 02:01:16,687 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:01:16" (1/1) ... [2023-08-30 02:01:16,699 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 02:01:16,708 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-30 02:01:16,719 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 02:01:16,720 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 02:01:16,742 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-08-30 02:01:16,742 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-08-30 02:01:16,742 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-30 02:01:16,742 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-30 02:01:16,742 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2023-08-30 02:01:16,742 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2023-08-30 02:01:16,745 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-30 02:01:16,745 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-08-30 02:01:16,745 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-08-30 02:01:16,745 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-08-30 02:01:16,745 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-30 02:01:16,745 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-30 02:01:16,746 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 02:01:16,907 INFO L236 CfgBuilder]: Building ICFG [2023-08-30 02:01:16,909 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-30 02:01:17,274 INFO L277 CfgBuilder]: Performing block encoding [2023-08-30 02:01:17,281 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-30 02:01:17,283 INFO L302 CfgBuilder]: Removed 10 assume(true) statements. [2023-08-30 02:01:17,285 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 02:01:17 BoogieIcfgContainer [2023-08-30 02:01:17,286 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-30 02:01:17,287 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-30 02:01:17,288 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-30 02:01:17,290 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-30 02:01:17,290 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.08 02:01:16" (1/3) ... [2023-08-30 02:01:17,291 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5953c7c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 02:01:17, skipping insertion in model container [2023-08-30 02:01:17,291 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:01:16" (2/3) ... [2023-08-30 02:01:17,292 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5953c7c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 02:01:17, skipping insertion in model container [2023-08-30 02:01:17,292 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 02:01:17" (3/3) ... [2023-08-30 02:01:17,293 INFO L112 eAbstractionObserver]: Analyzing ICFG 28-race_reach_51-mutexptr_racefree.i [2023-08-30 02:01:17,309 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-30 02:01:17,309 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 16 error locations. [2023-08-30 02:01:17,309 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-30 02:01:17,402 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2023-08-30 02:01:17,407 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 02:01:17,413 INFO L158 Benchmark]: Toolchain (without parser) took 1293.73ms. Allocated memory is still 90.2MB. Free memory was 67.3MB in the beginning and 37.7MB in the end (delta: 29.6MB). Peak memory consumption was 33.1MB. Max. memory is 16.1GB. [2023-08-30 02:01:17,413 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 67.1MB. Free memory is still 45.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-08-30 02:01:17,414 INFO L158 Benchmark]: CACSL2BoogieTranslator took 490.29ms. Allocated memory is still 90.2MB. Free memory was 67.1MB in the beginning and 46.2MB in the end (delta: 20.9MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2023-08-30 02:01:17,415 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.05ms. Allocated memory is still 90.2MB. Free memory was 46.0MB in the beginning and 43.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-30 02:01:17,416 INFO L158 Benchmark]: Boogie Preprocessor took 33.45ms. Allocated memory is still 90.2MB. Free memory was 43.9MB in the beginning and 69.6MB in the end (delta: -25.7MB). Peak memory consumption was 5.8MB. Max. memory is 16.1GB. [2023-08-30 02:01:17,417 INFO L158 Benchmark]: RCFGBuilder took 599.53ms. Allocated memory is still 90.2MB. Free memory was 69.6MB in the beginning and 49.0MB in the end (delta: 20.6MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-08-30 02:01:17,435 INFO L158 Benchmark]: TraceAbstraction took 124.11ms. Allocated memory is still 90.2MB. Free memory was 48.2MB in the beginning and 37.7MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-08-30 02:01:17,442 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 67.1MB. Free memory is still 45.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 490.29ms. Allocated memory is still 90.2MB. Free memory was 67.1MB in the beginning and 46.2MB in the end (delta: 20.9MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.05ms. Allocated memory is still 90.2MB. Free memory was 46.0MB in the beginning and 43.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 33.45ms. Allocated memory is still 90.2MB. Free memory was 43.9MB in the beginning and 69.6MB in the end (delta: -25.7MB). Peak memory consumption was 5.8MB. Max. memory is 16.1GB. * RCFGBuilder took 599.53ms. Allocated memory is still 90.2MB. Free memory was 69.6MB in the beginning and 49.0MB in the end (delta: 20.6MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * TraceAbstraction took 124.11ms. Allocated memory is still 90.2MB. Free memory was 48.2MB in the beginning and 37.7MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. 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 02:01:17,467 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