./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/valid-memsafety.prp --file ../../../trunk/examples/svcomp/ldv-races/race-1_1-join.i --full-output --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations DEFORE --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version b8dbc81d Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../../../trunk/examples/svcomp/ldv-races/race-1_1-join.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ab598119c4148bae0d8b880ae1fca3b30d4f7d9a1b46bb07e7f3565fa04f9e72 --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 01:57:02,167 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-30 01:57:02,168 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-30 01:57:02,201 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-30 01:57:02,201 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-30 01:57:02,203 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-30 01:57:02,204 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-30 01:57:02,207 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-30 01:57:02,209 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-30 01:57:02,213 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-30 01:57:02,213 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-30 01:57:02,214 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-30 01:57:02,214 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-30 01:57:02,216 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-30 01:57:02,217 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-30 01:57:02,219 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-30 01:57:02,220 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-30 01:57:02,221 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-30 01:57:02,222 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-30 01:57:02,225 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-30 01:57:02,226 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-30 01:57:02,227 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-30 01:57:02,227 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-30 01:57:02,235 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-30 01:57:02,240 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-30 01:57:02,240 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-30 01:57:02,240 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-30 01:57:02,242 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-30 01:57:02,242 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-30 01:57:02,242 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-30 01:57:02,243 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-30 01:57:02,244 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-30 01:57:02,245 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-30 01:57:02,246 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-30 01:57:02,246 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-30 01:57:02,247 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-30 01:57:02,247 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-30 01:57:02,247 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-30 01:57:02,247 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-30 01:57:02,248 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-30 01:57:02,248 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-30 01:57:02,250 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2023-08-30 01:57:02,275 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-30 01:57:02,275 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-30 01:57:02,276 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-30 01:57:02,276 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-30 01:57:02,276 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-30 01:57:02,277 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-30 01:57:02,277 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-30 01:57:02,277 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-30 01:57:02,277 INFO L138 SettingsManager]: * Use SBE=true [2023-08-30 01:57:02,277 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-30 01:57:02,278 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-30 01:57:02,278 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-30 01:57:02,278 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-30 01:57:02,279 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-30 01:57:02,279 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-30 01:57:02,279 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-08-30 01:57:02,279 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2023-08-30 01:57:02,279 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-08-30 01:57:02,279 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-30 01:57:02,279 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-08-30 01:57:02,280 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-30 01:57:02,280 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-30 01:57:02,280 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-30 01:57:02,280 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-30 01:57:02,280 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-30 01:57:02,280 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 01:57:02,281 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-30 01:57:02,281 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-30 01:57:02,281 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-30 01:57:02,281 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-30 01:57:02,281 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-30 01:57:02,281 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-30 01:57:02,281 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-30 01:57:02,282 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-30 01:57:02,282 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ab598119c4148bae0d8b880ae1fca3b30d4f7d9a1b46bb07e7f3565fa04f9e72 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> DEFORE [2023-08-30 01:57:02,508 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-30 01:57:02,519 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-30 01:57:02,521 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-30 01:57:02,522 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-30 01:57:02,522 INFO L275 PluginConnector]: CDTParser initialized [2023-08-30 01:57:02,523 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-races/race-1_1-join.i [2023-08-30 01:57:03,547 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-30 01:57:03,894 INFO L351 CDTParser]: Found 1 translation units. [2023-08-30 01:57:03,894 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-1_1-join.i [2023-08-30 01:57:03,905 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8b7ea2976/c7326711bc83415995b607034cfdcd17/FLAGfd2446c6f [2023-08-30 01:57:03,925 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8b7ea2976/c7326711bc83415995b607034cfdcd17 [2023-08-30 01:57:03,927 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-30 01:57:03,928 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-30 01:57:03,930 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-30 01:57:03,930 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-30 01:57:03,932 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-30 01:57:03,933 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 01:57:03" (1/1) ... [2023-08-30 01:57:03,933 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4cb1f502 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:57:03, skipping insertion in model container [2023-08-30 01:57:03,934 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 01:57:03" (1/1) ... [2023-08-30 01:57:03,938 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-30 01:57:03,994 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-30 01:57:04,390 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-1_1-join.i[76068,76081] [2023-08-30 01:57:04,417 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 01:57:04,429 INFO L203 MainTranslator]: Completed pre-run [2023-08-30 01:57:04,467 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-1_1-join.i[76068,76081] [2023-08-30 01:57:04,471 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 01:57:04,539 INFO L208 MainTranslator]: Completed translation [2023-08-30 01:57:04,540 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:57:04 WrapperNode [2023-08-30 01:57:04,540 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-30 01:57:04,541 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-30 01:57:04,541 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-30 01:57:04,541 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-30 01:57:04,545 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:57:04" (1/1) ... [2023-08-30 01:57:04,561 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:57:04" (1/1) ... [2023-08-30 01:57:04,577 INFO L138 Inliner]: procedures = 480, calls = 27, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 92 [2023-08-30 01:57:04,578 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-30 01:57:04,579 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-30 01:57:04,579 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-30 01:57:04,579 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-30 01:57:04,584 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:57:04" (1/1) ... [2023-08-30 01:57:04,584 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:57:04" (1/1) ... [2023-08-30 01:57:04,589 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:57:04" (1/1) ... [2023-08-30 01:57:04,594 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:57:04" (1/1) ... [2023-08-30 01:57:04,600 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:57:04" (1/1) ... [2023-08-30 01:57:04,601 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:57:04" (1/1) ... [2023-08-30 01:57:04,604 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:57:04" (1/1) ... [2023-08-30 01:57:04,605 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:57:04" (1/1) ... [2023-08-30 01:57:04,622 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-30 01:57:04,622 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-30 01:57:04,622 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-30 01:57:04,623 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-30 01:57:04,623 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:57:04" (1/1) ... [2023-08-30 01:57:04,627 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 01:57:04,638 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-30 01:57:04,648 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 01:57:04,658 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 01:57:04,671 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-30 01:57:04,671 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-30 01:57:04,671 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-08-30 01:57:04,672 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-30 01:57:04,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-08-30 01:57:04,672 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-30 01:57:04,672 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-30 01:57:04,672 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-30 01:57:04,672 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-08-30 01:57:04,672 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-08-30 01:57:04,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-30 01:57:04,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-30 01:57:04,673 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 01:57:04,927 INFO L236 CfgBuilder]: Building ICFG [2023-08-30 01:57:04,929 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-30 01:57:05,085 INFO L277 CfgBuilder]: Performing block encoding [2023-08-30 01:57:05,091 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-30 01:57:05,092 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-08-30 01:57:05,094 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 01:57:05 BoogieIcfgContainer [2023-08-30 01:57:05,095 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-30 01:57:05,097 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-30 01:57:05,097 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-30 01:57:05,100 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-30 01:57:05,100 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.08 01:57:03" (1/3) ... [2023-08-30 01:57:05,101 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1185179c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 01:57:05, skipping insertion in model container [2023-08-30 01:57:05,101 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:57:04" (2/3) ... [2023-08-30 01:57:05,101 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1185179c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 01:57:05, skipping insertion in model container [2023-08-30 01:57:05,101 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 01:57:05" (3/3) ... [2023-08-30 01:57:05,102 INFO L112 eAbstractionObserver]: Analyzing ICFG race-1_1-join.i [2023-08-30 01:57:05,115 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-30 01:57:05,116 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 11 error locations. [2023-08-30 01:57:05,116 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-30 01:57:05,175 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2023-08-30 01:57:05,180 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 01:57:05,185 INFO L158 Benchmark]: Toolchain (without parser) took 1256.80ms. Allocated memory was 90.2MB in the beginning and 136.3MB in the end (delta: 46.1MB). Free memory was 65.3MB in the beginning and 97.3MB in the end (delta: -32.0MB). Peak memory consumption was 15.9MB. Max. memory is 16.1GB. [2023-08-30 01:57:05,186 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 60.8MB. Free memory is still 38.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-08-30 01:57:05,187 INFO L158 Benchmark]: CACSL2BoogieTranslator took 610.65ms. Allocated memory is still 90.2MB. Free memory was 65.1MB in the beginning and 59.7MB in the end (delta: 5.4MB). Peak memory consumption was 32.3MB. Max. memory is 16.1GB. [2023-08-30 01:57:05,187 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.69ms. Allocated memory is still 90.2MB. Free memory was 59.7MB in the beginning and 56.3MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-08-30 01:57:05,188 INFO L158 Benchmark]: Boogie Preprocessor took 42.91ms. Allocated memory is still 90.2MB. Free memory was 56.3MB in the beginning and 53.8MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-30 01:57:05,188 INFO L158 Benchmark]: RCFGBuilder took 472.61ms. Allocated memory was 90.2MB in the beginning and 136.3MB in the end (delta: 46.1MB). Free memory was 53.8MB in the beginning and 104.3MB in the end (delta: -50.6MB). Peak memory consumption was 19.2MB. Max. memory is 16.1GB. [2023-08-30 01:57:05,189 INFO L158 Benchmark]: TraceAbstraction took 86.72ms. Allocated memory is still 136.3MB. Free memory was 103.7MB in the beginning and 97.3MB in the end (delta: 6.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-08-30 01:57:05,195 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 60.8MB. Free memory is still 38.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 610.65ms. Allocated memory is still 90.2MB. Free memory was 65.1MB in the beginning and 59.7MB in the end (delta: 5.4MB). Peak memory consumption was 32.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.69ms. Allocated memory is still 90.2MB. Free memory was 59.7MB in the beginning and 56.3MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 42.91ms. Allocated memory is still 90.2MB. Free memory was 56.3MB in the beginning and 53.8MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 472.61ms. Allocated memory was 90.2MB in the beginning and 136.3MB in the end (delta: 46.1MB). Free memory was 53.8MB in the beginning and 104.3MB in the end (delta: -50.6MB). Peak memory consumption was 19.2MB. Max. memory is 16.1GB. * TraceAbstraction took 86.72ms. Allocated memory is still 136.3MB. Free memory was 103.7MB in the beginning and 97.3MB 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 01:57:05,228 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../../../trunk/examples/svcomp/ldv-races/race-1_1-join.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ab598119c4148bae0d8b880ae1fca3b30d4f7d9a1b46bb07e7f3565fa04f9e72 --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 01:57:06,971 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-30 01:57:06,973 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-30 01:57:07,004 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-30 01:57:07,005 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-30 01:57:07,007 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-30 01:57:07,008 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-30 01:57:07,010 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-30 01:57:07,013 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-30 01:57:07,016 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-30 01:57:07,017 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-30 01:57:07,018 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-30 01:57:07,019 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-30 01:57:07,020 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-30 01:57:07,021 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-30 01:57:07,023 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-30 01:57:07,024 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-30 01:57:07,025 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-30 01:57:07,026 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-30 01:57:07,029 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-30 01:57:07,030 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-30 01:57:07,031 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-30 01:57:07,031 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-30 01:57:07,032 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-30 01:57:07,037 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-30 01:57:07,037 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-30 01:57:07,037 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-30 01:57:07,040 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-30 01:57:07,040 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-30 01:57:07,040 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-30 01:57:07,041 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-30 01:57:07,042 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-30 01:57:07,043 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-30 01:57:07,044 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-30 01:57:07,044 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-30 01:57:07,045 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-30 01:57:07,045 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-30 01:57:07,045 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-30 01:57:07,045 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-30 01:57:07,046 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-30 01:57:07,046 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-30 01:57:07,047 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2023-08-30 01:57:07,071 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-30 01:57:07,072 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-30 01:57:07,072 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-30 01:57:07,073 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-30 01:57:07,073 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-30 01:57:07,073 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-30 01:57:07,079 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-30 01:57:07,079 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-30 01:57:07,079 INFO L138 SettingsManager]: * Use SBE=true [2023-08-30 01:57:07,079 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-30 01:57:07,080 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-30 01:57:07,080 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-30 01:57:07,080 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-30 01:57:07,081 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-30 01:57:07,081 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-30 01:57:07,081 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-08-30 01:57:07,081 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2023-08-30 01:57:07,081 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-08-30 01:57:07,081 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-30 01:57:07,081 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-08-30 01:57:07,082 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2023-08-30 01:57:07,082 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-08-30 01:57:07,082 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-30 01:57:07,082 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-30 01:57:07,082 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-30 01:57:07,082 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-30 01:57:07,083 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-30 01:57:07,083 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 01:57:07,083 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-30 01:57:07,083 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-30 01:57:07,083 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2023-08-30 01:57:07,083 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-08-30 01:57:07,084 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-30 01:57:07,084 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-30 01:57:07,084 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-30 01:57:07,084 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2023-08-30 01:57:07,084 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-30 01:57:07,084 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ab598119c4148bae0d8b880ae1fca3b30d4f7d9a1b46bb07e7f3565fa04f9e72 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> DEFORE [2023-08-30 01:57:07,340 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-30 01:57:07,364 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-30 01:57:07,366 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-30 01:57:07,367 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-30 01:57:07,367 INFO L275 PluginConnector]: CDTParser initialized [2023-08-30 01:57:07,368 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-races/race-1_1-join.i [2023-08-30 01:57:08,475 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-30 01:57:08,788 INFO L351 CDTParser]: Found 1 translation units. [2023-08-30 01:57:08,788 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-1_1-join.i [2023-08-30 01:57:08,807 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/467582609/8c20a2637a2740cdb1a912070b8e4376/FLAGb338e1343 [2023-08-30 01:57:08,816 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/467582609/8c20a2637a2740cdb1a912070b8e4376 [2023-08-30 01:57:08,821 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-30 01:57:08,822 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-30 01:57:08,824 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-30 01:57:08,824 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-30 01:57:08,826 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-30 01:57:08,826 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 01:57:08" (1/1) ... [2023-08-30 01:57:08,827 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d5d168f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:57:08, skipping insertion in model container [2023-08-30 01:57:08,827 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 01:57:08" (1/1) ... [2023-08-30 01:57:08,831 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-30 01:57:08,867 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-30 01:57:09,294 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-1_1-join.i[76068,76081] [2023-08-30 01:57:09,308 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 01:57:09,318 INFO L203 MainTranslator]: Completed pre-run [2023-08-30 01:57:09,344 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-1_1-join.i[76068,76081] [2023-08-30 01:57:09,353 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 01:57:09,440 INFO L208 MainTranslator]: Completed translation [2023-08-30 01:57:09,441 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:57:09 WrapperNode [2023-08-30 01:57:09,441 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-30 01:57:09,442 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-30 01:57:09,442 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-30 01:57:09,442 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-30 01:57:09,446 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:57:09" (1/1) ... [2023-08-30 01:57:09,471 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:57:09" (1/1) ... [2023-08-30 01:57:09,497 INFO L138 Inliner]: procedures = 484, calls = 27, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 91 [2023-08-30 01:57:09,497 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-30 01:57:09,498 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-30 01:57:09,498 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-30 01:57:09,498 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-30 01:57:09,503 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:57:09" (1/1) ... [2023-08-30 01:57:09,503 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:57:09" (1/1) ... [2023-08-30 01:57:09,506 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:57:09" (1/1) ... [2023-08-30 01:57:09,507 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:57:09" (1/1) ... [2023-08-30 01:57:09,519 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:57:09" (1/1) ... [2023-08-30 01:57:09,521 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:57:09" (1/1) ... [2023-08-30 01:57:09,526 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:57:09" (1/1) ... [2023-08-30 01:57:09,528 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:57:09" (1/1) ... [2023-08-30 01:57:09,532 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-30 01:57:09,533 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-30 01:57:09,533 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-30 01:57:09,533 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-30 01:57:09,534 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:57:09" (1/1) ... [2023-08-30 01:57:09,538 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 01:57:09,553 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-30 01:57:09,582 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 01:57:09,597 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 01:57:09,605 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-30 01:57:09,605 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-08-30 01:57:09,605 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-08-30 01:57:09,606 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-08-30 01:57:09,606 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-30 01:57:09,606 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-08-30 01:57:09,606 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-30 01:57:09,606 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-30 01:57:09,606 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-08-30 01:57:09,606 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-30 01:57:09,606 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-08-30 01:57:09,607 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-08-30 01:57:09,607 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-08-30 01:57:09,608 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 01:57:09,871 INFO L236 CfgBuilder]: Building ICFG [2023-08-30 01:57:09,873 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-30 01:57:10,079 INFO L277 CfgBuilder]: Performing block encoding [2023-08-30 01:57:10,084 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-30 01:57:10,084 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-08-30 01:57:10,085 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 01:57:10 BoogieIcfgContainer [2023-08-30 01:57:10,086 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-30 01:57:10,087 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-30 01:57:10,087 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-30 01:57:10,089 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-30 01:57:10,089 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.08 01:57:08" (1/3) ... [2023-08-30 01:57:10,089 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9efcc77 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 01:57:10, skipping insertion in model container [2023-08-30 01:57:10,089 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:57:09" (2/3) ... [2023-08-30 01:57:10,090 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9efcc77 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 01:57:10, skipping insertion in model container [2023-08-30 01:57:10,090 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 01:57:10" (3/3) ... [2023-08-30 01:57:10,090 INFO L112 eAbstractionObserver]: Analyzing ICFG race-1_1-join.i [2023-08-30 01:57:10,101 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-30 01:57:10,101 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 11 error locations. [2023-08-30 01:57:10,101 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-30 01:57:10,137 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2023-08-30 01:57:10,145 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 01:57:10,150 INFO L158 Benchmark]: Toolchain (without parser) took 1327.37ms. Allocated memory was 60.8MB in the beginning and 88.1MB in the end (delta: 27.3MB). Free memory was 34.3MB in the beginning and 45.7MB in the end (delta: -11.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-08-30 01:57:10,150 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 60.8MB. Free memory is still 38.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-08-30 01:57:10,151 INFO L158 Benchmark]: CACSL2BoogieTranslator took 617.31ms. Allocated memory was 60.8MB in the beginning and 73.4MB in the end (delta: 12.6MB). Free memory was 34.1MB in the beginning and 34.7MB in the end (delta: -631.1kB). Peak memory consumption was 25.3MB. Max. memory is 16.1GB. [2023-08-30 01:57:10,151 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.53ms. Allocated memory is still 73.4MB. Free memory was 34.7MB in the beginning and 31.5MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-08-30 01:57:10,152 INFO L158 Benchmark]: Boogie Preprocessor took 34.79ms. Allocated memory is still 73.4MB. Free memory was 31.5MB in the beginning and 28.4MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-30 01:57:10,153 INFO L158 Benchmark]: RCFGBuilder took 552.65ms. Allocated memory was 73.4MB in the beginning and 88.1MB in the end (delta: 14.7MB). Free memory was 28.4MB in the beginning and 54.1MB in the end (delta: -25.7MB). Peak memory consumption was 4.6MB. Max. memory is 16.1GB. [2023-08-30 01:57:10,153 INFO L158 Benchmark]: TraceAbstraction took 61.68ms. Allocated memory is still 88.1MB. Free memory was 53.3MB in the beginning and 45.7MB in the end (delta: 7.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-08-30 01:57:10,160 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 60.8MB. Free memory is still 38.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 617.31ms. Allocated memory was 60.8MB in the beginning and 73.4MB in the end (delta: 12.6MB). Free memory was 34.1MB in the beginning and 34.7MB in the end (delta: -631.1kB). Peak memory consumption was 25.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 55.53ms. Allocated memory is still 73.4MB. Free memory was 34.7MB in the beginning and 31.5MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 34.79ms. Allocated memory is still 73.4MB. Free memory was 31.5MB in the beginning and 28.4MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 552.65ms. Allocated memory was 73.4MB in the beginning and 88.1MB in the end (delta: 14.7MB). Free memory was 28.4MB in the beginning and 54.1MB in the end (delta: -25.7MB). Peak memory consumption was 4.6MB. Max. memory is 16.1GB. * TraceAbstraction took 61.68ms. Allocated memory is still 88.1MB. Free memory was 53.3MB in the beginning and 45.7MB in the end (delta: 7.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: IllegalArgumentException: No enum constant de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TraceAbstractionPreferenceInitializer.InsufficientError.DEFORE de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: IllegalArgumentException: No enum constant de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TraceAbstractionPreferenceInitializer.InsufficientError.DEFORE: java.base/java.lang.Enum.valueOf(Enum.java:240) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-08-30 01:57:10,186 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