./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/goblint-regression/28-race_reach_21-deref_read_racing.i --full-output --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations DEFORE --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b8dbc81d Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../../../trunk/examples/svcomp/goblint-regression/28-race_reach_21-deref_read_racing.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash cb010ae024b402436affeb854f96a5f9e0df3d8ec2cfe8b3a7f33676b7169a2c --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations DEFORE --- Real Ultimate output --- This is Ultimate 0.2.3-?-b8dbc81 [2023-08-30 22:30:53,266 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-30 22:30:53,269 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-30 22:30:53,314 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-30 22:30:53,316 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-30 22:30:53,319 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-30 22:30:53,321 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-30 22:30:53,323 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-30 22:30:53,325 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-30 22:30:53,330 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-30 22:30:53,331 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-30 22:30:53,333 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-30 22:30:53,334 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-30 22:30:53,336 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-30 22:30:53,337 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-30 22:30:53,342 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-30 22:30:53,343 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-30 22:30:53,345 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-30 22:30:53,346 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-30 22:30:53,351 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-30 22:30:53,352 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-30 22:30:53,353 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-30 22:30:53,354 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-30 22:30:53,355 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-30 22:30:53,361 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-30 22:30:53,361 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-30 22:30:53,362 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-30 22:30:53,363 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-30 22:30:53,364 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-30 22:30:53,365 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-30 22:30:53,365 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-30 22:30:53,371 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-30 22:30:53,373 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-30 22:30:53,374 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-30 22:30:53,374 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-30 22:30:53,375 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-30 22:30:53,375 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-30 22:30:53,376 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-30 22:30:53,376 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-30 22:30:53,376 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-30 22:30:53,377 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-30 22:30:53,379 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-08-30 22:30:53,411 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-30 22:30:53,411 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-30 22:30:53,413 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-30 22:30:53,413 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-30 22:30:53,414 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-30 22:30:53,414 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-30 22:30:53,414 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-30 22:30:53,415 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-30 22:30:53,415 INFO L138 SettingsManager]: * Use SBE=true [2023-08-30 22:30:53,415 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-30 22:30:53,416 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-30 22:30:53,416 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-30 22:30:53,416 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-30 22:30:53,416 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-30 22:30:53,416 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-30 22:30:53,417 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-30 22:30:53,417 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-30 22:30:53,417 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-30 22:30:53,417 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-30 22:30:53,417 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-30 22:30:53,418 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-30 22:30:53,418 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-30 22:30:53,418 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-30 22:30:53,418 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-30 22:30:53,418 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 22:30:53,419 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-30 22:30:53,419 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-30 22:30:53,419 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-30 22:30:53,419 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-30 22:30:53,419 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-30 22:30:53,420 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-30 22:30:53,420 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-30 22:30:53,420 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-30 22:30:53,420 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-30 22:30:53,420 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-30 22:30:53,421 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cb010ae024b402436affeb854f96a5f9e0df3d8ec2cfe8b3a7f33676b7169a2c Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> DEFORE [2023-08-30 22:30:53,746 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-30 22:30:53,774 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-30 22:30:53,776 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-30 22:30:53,777 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-30 22:30:53,777 INFO L275 PluginConnector]: CDTParser initialized [2023-08-30 22:30:53,778 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/28-race_reach_21-deref_read_racing.i [2023-08-30 22:30:54,895 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-30 22:30:55,119 INFO L351 CDTParser]: Found 1 translation units. [2023-08-30 22:30:55,120 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_21-deref_read_racing.i [2023-08-30 22:30:55,134 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b6aad6cb5/b4c2fc21b74a4cd192dcda6fc159a484/FLAG62e05820a [2023-08-30 22:30:55,147 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b6aad6cb5/b4c2fc21b74a4cd192dcda6fc159a484 [2023-08-30 22:30:55,149 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-30 22:30:55,150 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-30 22:30:55,151 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-30 22:30:55,152 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-30 22:30:55,154 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-30 22:30:55,155 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 10:30:55" (1/1) ... [2023-08-30 22:30:55,156 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38b07e94 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:30:55, skipping insertion in model container [2023-08-30 22:30:55,156 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 10:30:55" (1/1) ... [2023-08-30 22:30:55,161 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-30 22:30:55,206 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-30 22:30:55,497 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_21-deref_read_racing.i[30176,30189] [2023-08-30 22:30:55,517 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 22:30:55,532 INFO L203 MainTranslator]: Completed pre-run [2023-08-30 22:30:55,575 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_21-deref_read_racing.i[30176,30189] [2023-08-30 22:30:55,590 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 22:30:55,634 INFO L208 MainTranslator]: Completed translation [2023-08-30 22:30:55,635 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:30:55 WrapperNode [2023-08-30 22:30:55,635 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-30 22:30:55,636 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-30 22:30:55,636 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-30 22:30:55,636 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-30 22:30:55,642 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:30:55" (1/1) ... [2023-08-30 22:30:55,669 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:30:55" (1/1) ... [2023-08-30 22:30:55,693 INFO L138 Inliner]: procedures = 170, calls = 35, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 65 [2023-08-30 22:30:55,694 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-30 22:30:55,695 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-30 22:30:55,695 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-30 22:30:55,696 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-30 22:30:55,703 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:30:55" (1/1) ... [2023-08-30 22:30:55,704 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:30:55" (1/1) ... [2023-08-30 22:30:55,710 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:30:55" (1/1) ... [2023-08-30 22:30:55,710 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:30:55" (1/1) ... [2023-08-30 22:30:55,723 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:30:55" (1/1) ... [2023-08-30 22:30:55,726 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:30:55" (1/1) ... [2023-08-30 22:30:55,729 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:30:55" (1/1) ... [2023-08-30 22:30:55,735 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:30:55" (1/1) ... [2023-08-30 22:30:55,738 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-30 22:30:55,739 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-30 22:30:55,739 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-30 22:30:55,739 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-30 22:30:55,740 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:30:55" (1/1) ... [2023-08-30 22:30:55,751 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 22:30:55,762 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-30 22:30:55,773 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-08-30 22:30:55,804 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-08-30 22:30:55,818 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-30 22:30:55,818 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-30 22:30:55,818 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-08-30 22:30:55,818 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-30 22:30:55,818 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-30 22:30:55,819 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2023-08-30 22:30:55,819 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2023-08-30 22:30:55,819 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-30 22:30:55,819 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-30 22:30:55,820 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-30 22:30:55,820 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-30 22:30:55,821 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-08-30 22:30:55,932 INFO L236 CfgBuilder]: Building ICFG [2023-08-30 22:30:55,934 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-30 22:30:56,106 INFO L277 CfgBuilder]: Performing block encoding [2023-08-30 22:30:56,112 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-30 22:30:56,112 INFO L302 CfgBuilder]: Removed 9 assume(true) statements. [2023-08-30 22:30:56,114 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 10:30:56 BoogieIcfgContainer [2023-08-30 22:30:56,114 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-30 22:30:56,116 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-30 22:30:56,116 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-30 22:30:56,118 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-30 22:30:56,122 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.08 10:30:55" (1/3) ... [2023-08-30 22:30:56,123 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5cbb445d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 10:30:56, skipping insertion in model container [2023-08-30 22:30:56,123 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:30:55" (2/3) ... [2023-08-30 22:30:56,123 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5cbb445d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 10:30:56, skipping insertion in model container [2023-08-30 22:30:56,123 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 10:30:56" (3/3) ... [2023-08-30 22:30:56,124 INFO L112 eAbstractionObserver]: Analyzing ICFG 28-race_reach_21-deref_read_racing.i [2023-08-30 22:30:56,131 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-30 22:30:56,142 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-30 22:30:56,143 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-08-30 22:30:56,143 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-30 22:30:56,226 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-08-30 22:30:56,231 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.IllegalArgumentException: No enum constant de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TraceAbstractionPreferenceInitializer.InsufficientError.DEFORE at java.base/java.lang.Enum.valueOf(Enum.java:240) at de.uni_freiburg.informatik.ultimate.core.preferences.RcpPreferenceProvider.getEnum(RcpPreferenceProvider.java:117) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TAPreferences.insufficientThreadErrorsVsProgramErrors(TAPreferences.java:218) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.partitionErrorLocations(TraceAbstractionStarter.java:394) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:280) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:225) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:173) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-08-30 22:30:56,243 INFO L158 Benchmark]: Toolchain (without parser) took 1091.75ms. Allocated memory is still 73.4MB. Free memory was 40.6MB in the beginning and 36.8MB in the end (delta: 3.8MB). Peak memory consumption was 3.2MB. Max. memory is 16.1GB. [2023-08-30 22:30:56,243 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 56.6MB. Free memory is still 34.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-08-30 22:30:56,244 INFO L158 Benchmark]: CACSL2BoogieTranslator took 483.56ms. Allocated memory is still 73.4MB. Free memory was 40.4MB in the beginning and 38.1MB in the end (delta: 2.3MB). Peak memory consumption was 5.3MB. Max. memory is 16.1GB. [2023-08-30 22:30:56,244 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.11ms. Allocated memory is still 73.4MB. Free memory was 38.1MB in the beginning and 36.1MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-30 22:30:56,245 INFO L158 Benchmark]: Boogie Preprocessor took 42.86ms. Allocated memory is still 73.4MB. Free memory was 36.1MB in the beginning and 34.5MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-30 22:30:56,245 INFO L158 Benchmark]: RCFGBuilder took 375.66ms. Allocated memory is still 73.4MB. Free memory was 34.5MB in the beginning and 43.9MB in the end (delta: -9.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-08-30 22:30:56,246 INFO L158 Benchmark]: TraceAbstraction took 125.52ms. Allocated memory is still 73.4MB. Free memory was 43.1MB in the beginning and 36.8MB in the end (delta: 6.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-08-30 22:30:56,249 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 56.6MB. Free memory is still 34.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 483.56ms. Allocated memory is still 73.4MB. Free memory was 40.4MB in the beginning and 38.1MB in the end (delta: 2.3MB). Peak memory consumption was 5.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 58.11ms. Allocated memory is still 73.4MB. Free memory was 38.1MB in the beginning and 36.1MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 42.86ms. Allocated memory is still 73.4MB. Free memory was 36.1MB in the beginning and 34.5MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 375.66ms. Allocated memory is still 73.4MB. Free memory was 34.5MB in the beginning and 43.9MB in the end (delta: -9.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 125.52ms. Allocated memory is still 73.4MB. Free memory was 43.1MB in the beginning and 36.8MB in the end (delta: 6.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: IllegalArgumentException: No enum constant de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TraceAbstractionPreferenceInitializer.InsufficientError.DEFORE de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: IllegalArgumentException: No enum constant de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TraceAbstractionPreferenceInitializer.InsufficientError.DEFORE: java.base/java.lang.Enum.valueOf(Enum.java:240) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-08-30 22:30:56,281 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../../../trunk/examples/svcomp/goblint-regression/28-race_reach_21-deref_read_racing.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash cb010ae024b402436affeb854f96a5f9e0df3d8ec2cfe8b3a7f33676b7169a2c --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations DEFORE --- Real Ultimate output --- This is Ultimate 0.2.3-?-b8dbc81 [2023-08-30 22:30:58,111 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-30 22:30:58,114 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-30 22:30:58,147 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-30 22:30:58,148 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-30 22:30:58,151 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-30 22:30:58,153 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-30 22:30:58,155 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-30 22:30:58,158 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-30 22:30:58,162 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-30 22:30:58,163 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-30 22:30:58,165 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-30 22:30:58,166 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-30 22:30:58,168 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-30 22:30:58,169 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-30 22:30:58,177 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-30 22:30:58,178 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-30 22:30:58,179 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-30 22:30:58,183 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-30 22:30:58,188 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-30 22:30:58,189 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-30 22:30:58,190 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-30 22:30:58,191 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-30 22:30:58,192 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-30 22:30:58,198 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-30 22:30:58,198 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-30 22:30:58,198 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-30 22:30:58,201 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-30 22:30:58,201 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-30 22:30:58,202 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-30 22:30:58,203 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-30 22:30:58,204 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-30 22:30:58,206 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-30 22:30:58,206 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-30 22:30:58,207 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-30 22:30:58,207 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-30 22:30:58,208 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-30 22:30:58,208 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-30 22:30:58,208 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-30 22:30:58,209 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-30 22:30:58,210 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-30 22:30:58,211 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-08-30 22:30:58,249 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-30 22:30:58,249 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-30 22:30:58,251 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-30 22:30:58,251 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-30 22:30:58,252 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-30 22:30:58,252 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-30 22:30:58,252 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-30 22:30:58,252 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-30 22:30:58,253 INFO L138 SettingsManager]: * Use SBE=true [2023-08-30 22:30:58,253 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-30 22:30:58,254 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-30 22:30:58,254 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-30 22:30:58,254 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-30 22:30:58,254 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-30 22:30:58,254 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-30 22:30:58,255 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-30 22:30:58,255 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-08-30 22:30:58,255 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2023-08-30 22:30:58,255 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-08-30 22:30:58,255 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-30 22:30:58,255 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-30 22:30:58,256 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-30 22:30:58,256 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-30 22:30:58,256 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-30 22:30:58,256 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-30 22:30:58,257 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-30 22:30:58,257 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 22:30:58,257 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-30 22:30:58,257 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-30 22:30:58,257 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-30 22:30:58,258 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2023-08-30 22:30:58,258 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-08-30 22:30:58,258 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-30 22:30:58,258 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-30 22:30:58,258 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-30 22:30:58,259 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-30 22:30:58,259 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2023-08-30 22:30:58,259 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-30 22:30:58,259 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cb010ae024b402436affeb854f96a5f9e0df3d8ec2cfe8b3a7f33676b7169a2c Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> DEFORE [2023-08-30 22:30:58,578 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-30 22:30:58,596 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-30 22:30:58,599 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-30 22:30:58,600 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-30 22:30:58,601 INFO L275 PluginConnector]: CDTParser initialized [2023-08-30 22:30:58,603 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/28-race_reach_21-deref_read_racing.i [2023-08-30 22:30:59,697 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-30 22:30:59,965 INFO L351 CDTParser]: Found 1 translation units. [2023-08-30 22:30:59,966 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_21-deref_read_racing.i [2023-08-30 22:30:59,978 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1f8c62b85/a6919ddc4d1b4a96871a3ca887c003e3/FLAGcdc3afedf [2023-08-30 22:30:59,990 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1f8c62b85/a6919ddc4d1b4a96871a3ca887c003e3 [2023-08-30 22:30:59,993 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-30 22:30:59,994 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-30 22:30:59,995 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-30 22:30:59,995 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-30 22:31:00,002 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-30 22:31:00,009 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 10:30:59" (1/1) ... [2023-08-30 22:31:00,010 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a382ed5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:31:00, skipping insertion in model container [2023-08-30 22:31:00,010 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 10:30:59" (1/1) ... [2023-08-30 22:31:00,016 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-30 22:31:00,066 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-30 22:31:00,375 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_21-deref_read_racing.i[30176,30189] [2023-08-30 22:31:00,394 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 22:31:00,413 INFO L203 MainTranslator]: Completed pre-run [2023-08-30 22:31:00,448 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_21-deref_read_racing.i[30176,30189] [2023-08-30 22:31:00,455 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 22:31:00,546 INFO L208 MainTranslator]: Completed translation [2023-08-30 22:31:00,546 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:31:00 WrapperNode [2023-08-30 22:31:00,547 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-30 22:31:00,548 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-30 22:31:00,548 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-30 22:31:00,548 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-30 22:31:00,554 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:31:00" (1/1) ... [2023-08-30 22:31:00,584 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:31:00" (1/1) ... [2023-08-30 22:31:00,605 INFO L138 Inliner]: procedures = 174, calls = 35, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 66 [2023-08-30 22:31:00,606 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-30 22:31:00,607 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-30 22:31:00,607 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-30 22:31:00,608 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-30 22:31:00,615 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:31:00" (1/1) ... [2023-08-30 22:31:00,615 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:31:00" (1/1) ... [2023-08-30 22:31:00,625 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:31:00" (1/1) ... [2023-08-30 22:31:00,626 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:31:00" (1/1) ... [2023-08-30 22:31:00,633 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:31:00" (1/1) ... [2023-08-30 22:31:00,643 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:31:00" (1/1) ... [2023-08-30 22:31:00,648 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:31:00" (1/1) ... [2023-08-30 22:31:00,653 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:31:00" (1/1) ... [2023-08-30 22:31:00,656 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-30 22:31:00,657 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-30 22:31:00,657 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-30 22:31:00,657 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-30 22:31:00,661 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:31:00" (1/1) ... [2023-08-30 22:31:00,666 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 22:31:00,678 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-30 22:31:00,689 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-08-30 22:31:00,702 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-08-30 22:31:00,724 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-08-30 22:31:00,724 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-08-30 22:31:00,724 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-30 22:31:00,724 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-30 22:31:00,724 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2023-08-30 22:31:00,725 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2023-08-30 22:31:00,725 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-30 22:31:00,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-08-30 22:31:00,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-08-30 22:31:00,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-08-30 22:31:00,725 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-30 22:31:00,725 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-30 22:31:00,727 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-08-30 22:31:00,836 INFO L236 CfgBuilder]: Building ICFG [2023-08-30 22:31:00,838 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-30 22:31:01,109 INFO L277 CfgBuilder]: Performing block encoding [2023-08-30 22:31:01,116 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-30 22:31:01,117 INFO L302 CfgBuilder]: Removed 9 assume(true) statements. [2023-08-30 22:31:01,120 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 10:31:01 BoogieIcfgContainer [2023-08-30 22:31:01,120 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-30 22:31:01,122 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-30 22:31:01,122 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-30 22:31:01,125 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-30 22:31:01,125 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.08 10:30:59" (1/3) ... [2023-08-30 22:31:01,126 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b7db1d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 10:31:01, skipping insertion in model container [2023-08-30 22:31:01,126 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:31:00" (2/3) ... [2023-08-30 22:31:01,127 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b7db1d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 10:31:01, skipping insertion in model container [2023-08-30 22:31:01,127 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 10:31:01" (3/3) ... [2023-08-30 22:31:01,128 INFO L112 eAbstractionObserver]: Analyzing ICFG 28-race_reach_21-deref_read_racing.i [2023-08-30 22:31:01,135 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-30 22:31:01,143 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-30 22:31:01,144 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-08-30 22:31:01,144 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-30 22:31:01,229 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-08-30 22:31:01,235 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.IllegalArgumentException: No enum constant de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TraceAbstractionPreferenceInitializer.InsufficientError.DEFORE at java.base/java.lang.Enum.valueOf(Enum.java:240) at de.uni_freiburg.informatik.ultimate.core.preferences.RcpPreferenceProvider.getEnum(RcpPreferenceProvider.java:117) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TAPreferences.insufficientThreadErrorsVsProgramErrors(TAPreferences.java:218) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.partitionErrorLocations(TraceAbstractionStarter.java:394) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:280) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:225) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:173) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-08-30 22:31:01,241 INFO L158 Benchmark]: Toolchain (without parser) took 1246.68ms. Allocated memory is still 83.9MB. Free memory was 59.3MB in the beginning and 57.4MB in the end (delta: 1.9MB). Peak memory consumption was 30.4MB. Max. memory is 16.1GB. [2023-08-30 22:31:01,242 INFO L158 Benchmark]: CDTParser took 0.86ms. Allocated memory is still 62.9MB. Free memory is still 40.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-08-30 22:31:01,242 INFO L158 Benchmark]: CACSL2BoogieTranslator took 551.83ms. Allocated memory is still 83.9MB. Free memory was 59.1MB in the beginning and 58.4MB in the end (delta: 664.8kB). Peak memory consumption was 21.7MB. Max. memory is 16.1GB. [2023-08-30 22:31:01,243 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.51ms. Allocated memory is still 83.9MB. Free memory was 58.4MB in the beginning and 56.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-30 22:31:01,244 INFO L158 Benchmark]: Boogie Preprocessor took 48.81ms. Allocated memory is still 83.9MB. Free memory was 56.3MB in the beginning and 54.6MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-30 22:31:01,245 INFO L158 Benchmark]: RCFGBuilder took 463.59ms. Allocated memory is still 83.9MB. Free memory was 54.2MB in the beginning and 38.8MB in the end (delta: 15.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-08-30 22:31:01,246 INFO L158 Benchmark]: TraceAbstraction took 117.90ms. Allocated memory is still 83.9MB. Free memory was 38.1MB in the beginning and 57.4MB in the end (delta: -19.2MB). Peak memory consumption was 8.7MB. Max. memory is 16.1GB. [2023-08-30 22:31:01,254 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.86ms. Allocated memory is still 62.9MB. Free memory is still 40.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 551.83ms. Allocated memory is still 83.9MB. Free memory was 59.1MB in the beginning and 58.4MB in the end (delta: 664.8kB). Peak memory consumption was 21.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 58.51ms. Allocated memory is still 83.9MB. Free memory was 58.4MB in the beginning and 56.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 48.81ms. Allocated memory is still 83.9MB. Free memory was 56.3MB in the beginning and 54.6MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 463.59ms. Allocated memory is still 83.9MB. Free memory was 54.2MB in the beginning and 38.8MB in the end (delta: 15.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 117.90ms. Allocated memory is still 83.9MB. Free memory was 38.1MB in the beginning and 57.4MB in the end (delta: -19.2MB). Peak memory consumption was 8.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: IllegalArgumentException: No enum constant de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TraceAbstractionPreferenceInitializer.InsufficientError.DEFORE de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: IllegalArgumentException: No enum constant de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TraceAbstractionPreferenceInitializer.InsufficientError.DEFORE: java.base/java.lang.Enum.valueOf(Enum.java:240) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-08-30 22:31:01,280 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