./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/no-data-race.prp --file ../../../trunk/examples/svcomp/goblint-regression/04-mutex_22-deref_read.i --full-output --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations DEFORE --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version b8dbc81d Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../../../trunk/examples/svcomp/goblint-regression/04-mutex_22-deref_read.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 8d306ff8cfbc22ceebe04735dbb58cf2d83206c78fa42d12e01716373b332b54 --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations DEFORE --- Real Ultimate output --- This is Ultimate 0.2.3-?-b8dbc81 [2023-08-29 09:07:15,641 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-29 09:07:15,643 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-29 09:07:15,676 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-29 09:07:15,689 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-29 09:07:15,691 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-29 09:07:15,693 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-29 09:07:15,695 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-29 09:07:15,696 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-29 09:07:15,699 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-29 09:07:15,700 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-29 09:07:15,702 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-29 09:07:15,702 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-29 09:07:15,703 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-29 09:07:15,704 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-29 09:07:15,708 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-29 09:07:15,709 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-29 09:07:15,710 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-29 09:07:15,711 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-29 09:07:15,714 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-29 09:07:15,715 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-29 09:07:15,716 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-29 09:07:15,716 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-29 09:07:15,717 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-29 09:07:15,722 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-29 09:07:15,722 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-29 09:07:15,722 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-29 09:07:15,744 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-29 09:07:15,745 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-29 09:07:15,745 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-29 09:07:15,746 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-29 09:07:15,750 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-29 09:07:15,751 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-29 09:07:15,751 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-29 09:07:15,752 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-29 09:07:15,752 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-29 09:07:15,753 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-29 09:07:15,753 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-29 09:07:15,753 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-29 09:07:15,753 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-29 09:07:15,754 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-29 09:07:15,755 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-08-29 09:07:15,778 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-29 09:07:15,779 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-29 09:07:15,779 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-29 09:07:15,780 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-29 09:07:15,780 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-29 09:07:15,780 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-29 09:07:15,781 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-29 09:07:15,781 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-29 09:07:15,781 INFO L138 SettingsManager]: * Use SBE=true [2023-08-29 09:07:15,781 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-29 09:07:15,782 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-29 09:07:15,782 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-29 09:07:15,782 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-29 09:07:15,782 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-29 09:07:15,782 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-29 09:07:15,782 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-29 09:07:15,782 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-29 09:07:15,783 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-29 09:07:15,783 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-08-29 09:07:15,783 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-29 09:07:15,783 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-29 09:07:15,783 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-29 09:07:15,783 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-29 09:07:15,783 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-29 09:07:15,783 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-29 09:07:15,784 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-29 09:07:15,784 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 09:07:15,784 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-29 09:07:15,784 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-29 09:07:15,784 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-29 09:07:15,784 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-29 09:07:15,784 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-29 09:07:15,785 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-29 09:07:15,785 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-29 09:07:15,785 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-29 09:07:15,785 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-29 09:07:15,785 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-29 09:07:15,785 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8d306ff8cfbc22ceebe04735dbb58cf2d83206c78fa42d12e01716373b332b54 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> DEFORE [2023-08-29 09:07:16,035 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-29 09:07:16,048 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-29 09:07:16,050 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-29 09:07:16,050 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-29 09:07:16,051 INFO L275 PluginConnector]: CDTParser initialized [2023-08-29 09:07:16,052 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/04-mutex_22-deref_read.i [2023-08-29 09:07:16,969 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-29 09:07:17,163 INFO L351 CDTParser]: Found 1 translation units. [2023-08-29 09:07:17,163 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/04-mutex_22-deref_read.i [2023-08-29 09:07:17,173 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bc647cb0f/f3b3fa19358b4b5191048c459440bf2b/FLAG6a52e3b57 [2023-08-29 09:07:17,181 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bc647cb0f/f3b3fa19358b4b5191048c459440bf2b [2023-08-29 09:07:17,183 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-29 09:07:17,184 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-29 09:07:17,184 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-29 09:07:17,185 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-29 09:07:17,187 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-29 09:07:17,187 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 09:07:17" (1/1) ... [2023-08-29 09:07:17,188 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e76f87f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:07:17, skipping insertion in model container [2023-08-29 09:07:17,188 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 09:07:17" (1/1) ... [2023-08-29 09:07:17,192 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-29 09:07:17,224 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-29 09:07:17,397 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 09:07:17,408 INFO L203 MainTranslator]: Completed pre-run [2023-08-29 09:07:17,451 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 09:07:17,479 INFO L208 MainTranslator]: Completed translation [2023-08-29 09:07:17,479 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:07:17 WrapperNode [2023-08-29 09:07:17,479 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-29 09:07:17,480 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-29 09:07:17,480 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-29 09:07:17,481 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-29 09:07:17,485 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:07:17" (1/1) ... [2023-08-29 09:07:17,507 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:07:17" (1/1) ... [2023-08-29 09:07:17,525 INFO L138 Inliner]: procedures = 162, calls = 19, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 50 [2023-08-29 09:07:17,526 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-29 09:07:17,527 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-29 09:07:17,527 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-29 09:07:17,527 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-29 09:07:17,532 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:07:17" (1/1) ... [2023-08-29 09:07:17,533 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:07:17" (1/1) ... [2023-08-29 09:07:17,539 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:07:17" (1/1) ... [2023-08-29 09:07:17,540 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:07:17" (1/1) ... [2023-08-29 09:07:17,558 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:07:17" (1/1) ... [2023-08-29 09:07:17,561 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:07:17" (1/1) ... [2023-08-29 09:07:17,562 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:07:17" (1/1) ... [2023-08-29 09:07:17,567 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:07:17" (1/1) ... [2023-08-29 09:07:17,568 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-29 09:07:17,569 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-29 09:07:17,574 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-29 09:07:17,575 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-29 09:07:17,575 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:07:17" (1/1) ... [2023-08-29 09:07:17,579 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 09:07:17,587 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-29 09:07:17,596 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-08-29 09:07:17,601 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-08-29 09:07:17,622 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-29 09:07:17,622 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-08-29 09:07:17,622 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-29 09:07:17,623 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-29 09:07:17,623 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2023-08-29 09:07:17,623 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2023-08-29 09:07:17,623 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-29 09:07:17,623 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-29 09:07:17,623 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-29 09:07:17,623 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-29 09:07:17,624 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-08-29 09:07:17,717 INFO L236 CfgBuilder]: Building ICFG [2023-08-29 09:07:17,718 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-29 09:07:17,885 INFO L277 CfgBuilder]: Performing block encoding [2023-08-29 09:07:17,889 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-29 09:07:17,890 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-08-29 09:07:17,891 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 09:07:17 BoogieIcfgContainer [2023-08-29 09:07:17,891 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-29 09:07:17,892 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-29 09:07:17,893 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-29 09:07:17,894 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-29 09:07:17,895 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.08 09:07:17" (1/3) ... [2023-08-29 09:07:17,895 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c50e2e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 09:07:17, skipping insertion in model container [2023-08-29 09:07:17,895 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:07:17" (2/3) ... [2023-08-29 09:07:17,895 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c50e2e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 09:07:17, skipping insertion in model container [2023-08-29 09:07:17,896 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 09:07:17" (3/3) ... [2023-08-29 09:07:17,896 INFO L112 eAbstractionObserver]: Analyzing ICFG 04-mutex_22-deref_read.i [2023-08-29 09:07:17,901 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-29 09:07:17,907 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-29 09:07:17,908 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2023-08-29 09:07:17,908 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-29 09:07:17,948 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-08-29 09:07:17,953 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.IllegalArgumentException: No enum constant de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TraceAbstractionPreferenceInitializer.InsufficientError.DEFORE at java.base/java.lang.Enum.valueOf(Enum.java:240) at de.uni_freiburg.informatik.ultimate.core.preferences.RcpPreferenceProvider.getEnum(RcpPreferenceProvider.java:117) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TAPreferences.insufficientThreadErrorsVsProgramErrors(TAPreferences.java:218) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.partitionErrorLocations(TraceAbstractionStarter.java:394) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:280) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:225) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:173) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-08-29 09:07:17,955 INFO L158 Benchmark]: Toolchain (without parser) took 771.29ms. Allocated memory is still 79.7MB. Free memory was 55.6MB in the beginning and 38.9MB in the end (delta: 16.7MB). Peak memory consumption was 20.4MB. Max. memory is 16.1GB. [2023-08-29 09:07:17,956 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 79.7MB. Free memory is still 56.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-08-29 09:07:17,956 INFO L158 Benchmark]: CACSL2BoogieTranslator took 295.22ms. Allocated memory is still 79.7MB. Free memory was 55.4MB in the beginning and 36.8MB in the end (delta: 18.7MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-08-29 09:07:17,957 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.62ms. Allocated memory is still 79.7MB. Free memory was 36.5MB in the beginning and 34.8MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-29 09:07:17,957 INFO L158 Benchmark]: Boogie Preprocessor took 41.80ms. Allocated memory is still 79.7MB. Free memory was 34.8MB in the beginning and 58.9MB in the end (delta: -24.1MB). Peak memory consumption was 5.7MB. Max. memory is 16.1GB. [2023-08-29 09:07:17,958 INFO L158 Benchmark]: RCFGBuilder took 322.31ms. Allocated memory is still 79.7MB. Free memory was 58.9MB in the beginning and 45.6MB in the end (delta: 13.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-08-29 09:07:17,958 INFO L158 Benchmark]: TraceAbstraction took 62.07ms. Allocated memory is still 79.7MB. Free memory was 45.0MB in the beginning and 38.9MB in the end (delta: 6.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-08-29 09:07:17,960 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 79.7MB. Free memory is still 56.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 295.22ms. Allocated memory is still 79.7MB. Free memory was 55.4MB in the beginning and 36.8MB in the end (delta: 18.7MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.62ms. Allocated memory is still 79.7MB. Free memory was 36.5MB in the beginning and 34.8MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 41.80ms. Allocated memory is still 79.7MB. Free memory was 34.8MB in the beginning and 58.9MB in the end (delta: -24.1MB). Peak memory consumption was 5.7MB. Max. memory is 16.1GB. * RCFGBuilder took 322.31ms. Allocated memory is still 79.7MB. Free memory was 58.9MB in the beginning and 45.6MB in the end (delta: 13.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 62.07ms. Allocated memory is still 79.7MB. Free memory was 45.0MB in the beginning and 38.9MB in the end (delta: 6.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: IllegalArgumentException: No enum constant de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TraceAbstractionPreferenceInitializer.InsufficientError.DEFORE de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: IllegalArgumentException: No enum constant de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TraceAbstractionPreferenceInitializer.InsufficientError.DEFORE: java.base/java.lang.Enum.valueOf(Enum.java:240) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-08-29 09:07:17,985 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../../../trunk/examples/svcomp/goblint-regression/04-mutex_22-deref_read.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 8d306ff8cfbc22ceebe04735dbb58cf2d83206c78fa42d12e01716373b332b54 --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations DEFORE --- Real Ultimate output --- This is Ultimate 0.2.3-?-b8dbc81 [2023-08-29 09:07:19,466 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-29 09:07:19,468 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-29 09:07:19,487 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-29 09:07:19,487 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-29 09:07:19,488 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-29 09:07:19,489 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-29 09:07:19,490 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-29 09:07:19,491 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-29 09:07:19,492 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-29 09:07:19,492 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-29 09:07:19,493 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-29 09:07:19,493 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-29 09:07:19,494 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-29 09:07:19,495 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-29 09:07:19,496 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-29 09:07:19,496 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-29 09:07:19,497 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-29 09:07:19,498 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-29 09:07:19,500 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-29 09:07:19,507 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-29 09:07:19,508 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-29 09:07:19,509 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-29 09:07:19,510 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-29 09:07:19,512 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-29 09:07:19,512 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-29 09:07:19,513 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-29 09:07:19,513 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-29 09:07:19,514 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-29 09:07:19,515 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-29 09:07:19,515 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-29 09:07:19,515 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-29 09:07:19,516 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-29 09:07:19,516 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-29 09:07:19,517 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-29 09:07:19,517 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-29 09:07:19,518 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-29 09:07:19,518 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-29 09:07:19,518 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-29 09:07:19,519 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-29 09:07:19,520 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-29 09:07:19,520 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Bitvector.epf [2023-08-29 09:07:19,535 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-29 09:07:19,536 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-29 09:07:19,536 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-29 09:07:19,536 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-29 09:07:19,537 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-29 09:07:19,537 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-29 09:07:19,537 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-29 09:07:19,538 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-29 09:07:19,538 INFO L138 SettingsManager]: * Use SBE=true [2023-08-29 09:07:19,538 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-29 09:07:19,538 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-29 09:07:19,538 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-29 09:07:19,538 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-29 09:07:19,539 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-29 09:07:19,539 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-29 09:07:19,539 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-29 09:07:19,539 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-29 09:07:19,539 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-08-29 09:07:19,540 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2023-08-29 09:07:19,540 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-08-29 09:07:19,540 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-29 09:07:19,540 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-29 09:07:19,540 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-29 09:07:19,540 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-29 09:07:19,541 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-29 09:07:19,541 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-29 09:07:19,541 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-29 09:07:19,541 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 09:07:19,541 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-29 09:07:19,542 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-29 09:07:19,542 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-29 09:07:19,542 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2023-08-29 09:07:19,542 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-08-29 09:07:19,542 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-29 09:07:19,542 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-29 09:07:19,542 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-29 09:07:19,543 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-29 09:07:19,543 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2023-08-29 09:07:19,543 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-29 09:07:19,543 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8d306ff8cfbc22ceebe04735dbb58cf2d83206c78fa42d12e01716373b332b54 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> DEFORE [2023-08-29 09:07:19,769 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-29 09:07:19,789 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-29 09:07:19,790 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-29 09:07:19,791 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-29 09:07:19,791 INFO L275 PluginConnector]: CDTParser initialized [2023-08-29 09:07:19,792 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/04-mutex_22-deref_read.i [2023-08-29 09:07:20,693 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-29 09:07:20,887 INFO L351 CDTParser]: Found 1 translation units. [2023-08-29 09:07:20,890 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/04-mutex_22-deref_read.i [2023-08-29 09:07:20,900 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/665a2034e/af62b69321fd4425bd00d43119b8c8c3/FLAGb7abcd572 [2023-08-29 09:07:20,909 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/665a2034e/af62b69321fd4425bd00d43119b8c8c3 [2023-08-29 09:07:20,911 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-29 09:07:20,911 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-29 09:07:20,912 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-29 09:07:20,912 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-29 09:07:20,917 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-29 09:07:20,917 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 09:07:20" (1/1) ... [2023-08-29 09:07:20,918 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d9b470a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:07:20, skipping insertion in model container [2023-08-29 09:07:20,918 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 09:07:20" (1/1) ... [2023-08-29 09:07:20,924 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-29 09:07:20,962 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-29 09:07:21,122 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 09:07:21,136 INFO L203 MainTranslator]: Completed pre-run [2023-08-29 09:07:21,182 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 09:07:21,217 INFO L208 MainTranslator]: Completed translation [2023-08-29 09:07:21,218 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:07:21 WrapperNode [2023-08-29 09:07:21,218 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-29 09:07:21,219 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-29 09:07:21,219 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-29 09:07:21,219 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-29 09:07:21,224 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:07:21" (1/1) ... [2023-08-29 09:07:21,249 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:07:21" (1/1) ... [2023-08-29 09:07:21,276 INFO L138 Inliner]: procedures = 163, calls = 19, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 51 [2023-08-29 09:07:21,277 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-29 09:07:21,277 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-29 09:07:21,277 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-29 09:07:21,278 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-29 09:07:21,283 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:07:21" (1/1) ... [2023-08-29 09:07:21,284 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:07:21" (1/1) ... [2023-08-29 09:07:21,288 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:07:21" (1/1) ... [2023-08-29 09:07:21,288 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:07:21" (1/1) ... [2023-08-29 09:07:21,305 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:07:21" (1/1) ... [2023-08-29 09:07:21,307 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:07:21" (1/1) ... [2023-08-29 09:07:21,311 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:07:21" (1/1) ... [2023-08-29 09:07:21,315 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:07:21" (1/1) ... [2023-08-29 09:07:21,318 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-29 09:07:21,320 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-29 09:07:21,321 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-29 09:07:21,321 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-29 09:07:21,321 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:07:21" (1/1) ... [2023-08-29 09:07:21,325 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 09:07:21,332 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-29 09:07:21,342 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-08-29 09:07:21,348 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-08-29 09:07:21,410 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-08-29 09:07:21,411 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-29 09:07:21,411 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-29 09:07:21,412 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2023-08-29 09:07:21,412 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2023-08-29 09:07:21,412 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-29 09:07:21,413 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-08-29 09:07:21,413 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-08-29 09:07:21,413 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-29 09:07:21,413 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-29 09:07:21,414 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-08-29 09:07:21,534 INFO L236 CfgBuilder]: Building ICFG [2023-08-29 09:07:21,535 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-29 09:07:21,706 INFO L277 CfgBuilder]: Performing block encoding [2023-08-29 09:07:21,710 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-29 09:07:21,710 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-08-29 09:07:21,712 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 09:07:21 BoogieIcfgContainer [2023-08-29 09:07:21,712 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-29 09:07:21,713 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-29 09:07:21,713 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-29 09:07:21,715 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-29 09:07:21,715 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.08 09:07:20" (1/3) ... [2023-08-29 09:07:21,715 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6bb4ce51 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 09:07:21, skipping insertion in model container [2023-08-29 09:07:21,715 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:07:21" (2/3) ... [2023-08-29 09:07:21,715 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6bb4ce51 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 09:07:21, skipping insertion in model container [2023-08-29 09:07:21,715 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 09:07:21" (3/3) ... [2023-08-29 09:07:21,716 INFO L112 eAbstractionObserver]: Analyzing ICFG 04-mutex_22-deref_read.i [2023-08-29 09:07:21,721 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-29 09:07:21,727 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-29 09:07:21,727 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2023-08-29 09:07:21,727 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-29 09:07:21,771 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-08-29 09:07:21,782 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.IllegalArgumentException: No enum constant de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TraceAbstractionPreferenceInitializer.InsufficientError.DEFORE at java.base/java.lang.Enum.valueOf(Enum.java:240) at de.uni_freiburg.informatik.ultimate.core.preferences.RcpPreferenceProvider.getEnum(RcpPreferenceProvider.java:117) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TAPreferences.insufficientThreadErrorsVsProgramErrors(TAPreferences.java:218) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.partitionErrorLocations(TraceAbstractionStarter.java:394) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:280) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:225) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:173) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-08-29 09:07:21,786 INFO L158 Benchmark]: Toolchain (without parser) took 874.36ms. Allocated memory is still 90.2MB. Free memory was 68.8MB in the beginning and 43.8MB in the end (delta: 25.0MB). Peak memory consumption was 24.9MB. Max. memory is 16.1GB. [2023-08-29 09:07:21,787 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 65.0MB. Free memory is still 43.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-08-29 09:07:21,787 INFO L158 Benchmark]: CACSL2BoogieTranslator took 306.21ms. Allocated memory is still 90.2MB. Free memory was 68.6MB in the beginning and 48.5MB in the end (delta: 20.1MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-08-29 09:07:21,788 INFO L158 Benchmark]: Boogie Procedure Inliner took 57.82ms. Allocated memory is still 90.2MB. Free memory was 48.5MB in the beginning and 69.9MB in the end (delta: -21.3MB). Peak memory consumption was 3.9MB. Max. memory is 16.1GB. [2023-08-29 09:07:21,788 INFO L158 Benchmark]: Boogie Preprocessor took 42.30ms. Allocated memory is still 90.2MB. Free memory was 69.4MB in the beginning and 67.8MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-29 09:07:21,789 INFO L158 Benchmark]: RCFGBuilder took 391.75ms. Allocated memory is still 90.2MB. Free memory was 67.8MB in the beginning and 52.7MB in the end (delta: 15.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-08-29 09:07:21,790 INFO L158 Benchmark]: TraceAbstraction took 72.54ms. Allocated memory is still 90.2MB. Free memory was 51.8MB in the beginning and 43.8MB in the end (delta: 8.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-08-29 09:07:21,791 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 65.0MB. Free memory is still 43.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 306.21ms. Allocated memory is still 90.2MB. Free memory was 68.6MB in the beginning and 48.5MB in the end (delta: 20.1MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 57.82ms. Allocated memory is still 90.2MB. Free memory was 48.5MB in the beginning and 69.9MB in the end (delta: -21.3MB). Peak memory consumption was 3.9MB. Max. memory is 16.1GB. * Boogie Preprocessor took 42.30ms. Allocated memory is still 90.2MB. Free memory was 69.4MB in the beginning and 67.8MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 391.75ms. Allocated memory is still 90.2MB. Free memory was 67.8MB in the beginning and 52.7MB in the end (delta: 15.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 72.54ms. Allocated memory is still 90.2MB. Free memory was 51.8MB in the beginning and 43.8MB in the end (delta: 8.0MB). 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. [2023-08-29 09:07:21,811 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: IllegalArgumentException: No enum constant de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TraceAbstractionPreferenceInitializer.InsufficientError.DEFORE