./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/valid-memsafety.prp --file ../../../trunk/examples/svcomp/weaver/parallel-bakery-2.wvr.c --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/weaver/parallel-bakery-2.wvr.c -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 792abe541332f7dc398bc25a6deb152789a85df6c33026f5ef70dc244a881f99 --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations DEFORE --- Real Ultimate output --- This is Ultimate 0.2.3-?-b8dbc81 [2023-08-30 02:03:26,532 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-30 02:03:26,534 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-30 02:03:26,565 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-30 02:03:26,566 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-30 02:03:26,568 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-30 02:03:26,570 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-30 02:03:26,571 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-30 02:03:26,573 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-30 02:03:26,576 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-30 02:03:26,577 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-30 02:03:26,579 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-30 02:03:26,579 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-30 02:03:26,581 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-30 02:03:26,582 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-30 02:03:26,585 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-30 02:03:26,585 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-30 02:03:26,586 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-30 02:03:26,587 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-30 02:03:26,591 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-30 02:03:26,592 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-30 02:03:26,593 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-30 02:03:26,593 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-30 02:03:26,594 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-30 02:03:26,599 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-30 02:03:26,599 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-30 02:03:26,599 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-30 02:03:26,601 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-30 02:03:26,601 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-30 02:03:26,602 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-30 02:03:26,602 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-30 02:03:26,603 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-30 02:03:26,604 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-30 02:03:26,604 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-30 02:03:26,605 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-30 02:03:26,605 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-30 02:03:26,606 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-30 02:03:26,606 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-30 02:03:26,606 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-30 02:03:26,606 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-30 02:03:26,607 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-30 02:03:26,608 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2023-08-30 02:03:26,633 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-30 02:03:26,633 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-30 02:03:26,634 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-30 02:03:26,634 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-30 02:03:26,635 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-30 02:03:26,635 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-30 02:03:26,636 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-30 02:03:26,636 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-30 02:03:26,636 INFO L138 SettingsManager]: * Use SBE=true [2023-08-30 02:03:26,636 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-30 02:03:26,637 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-30 02:03:26,637 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-30 02:03:26,637 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-30 02:03:26,637 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-30 02:03:26,637 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-30 02:03:26,637 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-08-30 02:03:26,638 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2023-08-30 02:03:26,638 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-08-30 02:03:26,638 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-30 02:03:26,638 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-08-30 02:03:26,638 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-30 02:03:26,638 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-30 02:03:26,638 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-30 02:03:26,639 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-30 02:03:26,639 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-30 02:03:26,639 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 02:03:26,639 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-30 02:03:26,639 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-30 02:03:26,639 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-30 02:03:26,639 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-30 02:03:26,639 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-30 02:03:26,640 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-30 02:03:26,640 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-30 02:03:26,640 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-30 02:03:26,640 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 792abe541332f7dc398bc25a6deb152789a85df6c33026f5ef70dc244a881f99 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> DEFORE [2023-08-30 02:03:26,921 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-30 02:03:26,956 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-30 02:03:26,958 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-30 02:03:26,959 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-30 02:03:26,959 INFO L275 PluginConnector]: CDTParser initialized [2023-08-30 02:03:26,961 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/parallel-bakery-2.wvr.c [2023-08-30 02:03:28,037 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-30 02:03:28,240 INFO L351 CDTParser]: Found 1 translation units. [2023-08-30 02:03:28,241 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-bakery-2.wvr.c [2023-08-30 02:03:28,274 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eba8061eb/1fa50ca09d594f8a8831e03068e27dfd/FLAGe7a39eb4b [2023-08-30 02:03:28,285 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eba8061eb/1fa50ca09d594f8a8831e03068e27dfd [2023-08-30 02:03:28,287 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-30 02:03:28,288 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-30 02:03:28,290 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-30 02:03:28,290 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-30 02:03:28,292 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-30 02:03:28,293 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 02:03:28" (1/1) ... [2023-08-30 02:03:28,293 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a90dc0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:03:28, skipping insertion in model container [2023-08-30 02:03:28,294 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 02:03:28" (1/1) ... [2023-08-30 02:03:28,298 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-30 02:03:28,317 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-30 02:03:28,464 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-bakery-2.wvr.c[3512,3525] [2023-08-30 02:03:28,468 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 02:03:28,476 INFO L203 MainTranslator]: Completed pre-run [2023-08-30 02:03:28,495 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-bakery-2.wvr.c[3512,3525] [2023-08-30 02:03:28,496 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 02:03:28,502 WARN L667 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 02:03:28,502 WARN L667 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 02:03:28,507 INFO L208 MainTranslator]: Completed translation [2023-08-30 02:03:28,508 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:03:28 WrapperNode [2023-08-30 02:03:28,508 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-30 02:03:28,509 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-30 02:03:28,509 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-30 02:03:28,510 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-30 02:03:28,515 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:03:28" (1/1) ... [2023-08-30 02:03:28,531 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:03:28" (1/1) ... [2023-08-30 02:03:28,557 INFO L138 Inliner]: procedures = 21, calls = 60, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 155 [2023-08-30 02:03:28,558 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-30 02:03:28,558 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-30 02:03:28,559 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-30 02:03:28,570 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-30 02:03:28,577 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:03:28" (1/1) ... [2023-08-30 02:03:28,577 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:03:28" (1/1) ... [2023-08-30 02:03:28,579 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:03:28" (1/1) ... [2023-08-30 02:03:28,579 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:03:28" (1/1) ... [2023-08-30 02:03:28,582 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:03:28" (1/1) ... [2023-08-30 02:03:28,583 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:03:28" (1/1) ... [2023-08-30 02:03:28,584 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:03:28" (1/1) ... [2023-08-30 02:03:28,585 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:03:28" (1/1) ... [2023-08-30 02:03:28,594 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-30 02:03:28,595 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-30 02:03:28,595 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-30 02:03:28,595 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-30 02:03:28,595 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:03:28" (1/1) ... [2023-08-30 02:03:28,604 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 02:03:28,616 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-30 02:03:28,641 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-08-30 02:03:28,667 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-08-30 02:03:28,688 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-30 02:03:28,688 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-08-30 02:03:28,688 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-08-30 02:03:28,688 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-08-30 02:03:28,688 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-08-30 02:03:28,688 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-30 02:03:28,688 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-30 02:03:28,689 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-30 02:03:28,689 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-08-30 02:03:28,689 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-08-30 02:03:28,689 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-30 02:03:28,689 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-30 02:03:28,689 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-30 02:03:28,689 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-30 02:03:28,690 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-08-30 02:03:28,767 INFO L236 CfgBuilder]: Building ICFG [2023-08-30 02:03:28,769 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-30 02:03:29,000 INFO L277 CfgBuilder]: Performing block encoding [2023-08-30 02:03:29,077 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-30 02:03:29,077 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-08-30 02:03:29,079 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 02:03:29 BoogieIcfgContainer [2023-08-30 02:03:29,079 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-30 02:03:29,080 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-30 02:03:29,081 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-30 02:03:29,083 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-30 02:03:29,083 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.08 02:03:28" (1/3) ... [2023-08-30 02:03:29,083 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2be2ed04 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 02:03:29, skipping insertion in model container [2023-08-30 02:03:29,083 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:03:28" (2/3) ... [2023-08-30 02:03:29,084 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2be2ed04 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 02:03:29, skipping insertion in model container [2023-08-30 02:03:29,084 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 02:03:29" (3/3) ... [2023-08-30 02:03:29,085 INFO L112 eAbstractionObserver]: Analyzing ICFG parallel-bakery-2.wvr.c [2023-08-30 02:03:29,097 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-30 02:03:29,097 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 10 error locations. [2023-08-30 02:03:29,097 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-30 02:03:29,189 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-08-30 02:03:29,195 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.IllegalArgumentException: No enum constant de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TraceAbstractionPreferenceInitializer.InsufficientError.DEFORE at java.base/java.lang.Enum.valueOf(Enum.java:240) at de.uni_freiburg.informatik.ultimate.core.preferences.RcpPreferenceProvider.getEnum(RcpPreferenceProvider.java:117) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TAPreferences.insufficientThreadErrorsVsProgramErrors(TAPreferences.java:218) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.partitionErrorLocations(TraceAbstractionStarter.java:394) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:280) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:225) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:173) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-08-30 02:03:29,200 INFO L158 Benchmark]: Toolchain (without parser) took 911.53ms. Allocated memory was 71.3MB in the beginning and 109.1MB in the end (delta: 37.7MB). Free memory was 48.3MB in the beginning and 60.9MB in the end (delta: -12.6MB). Peak memory consumption was 26.3MB. Max. memory is 16.1GB. [2023-08-30 02:03:29,201 INFO L158 Benchmark]: CDTParser took 0.58ms. Allocated memory is still 71.3MB. Free memory is still 48.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-08-30 02:03:29,201 INFO L158 Benchmark]: CACSL2BoogieTranslator took 218.74ms. Allocated memory is still 71.3MB. Free memory was 48.0MB in the beginning and 36.7MB in the end (delta: 11.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-08-30 02:03:29,202 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.79ms. Allocated memory is still 71.3MB. Free memory was 36.7MB in the beginning and 34.8MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. [2023-08-30 02:03:29,203 INFO L158 Benchmark]: Boogie Preprocessor took 35.42ms. Allocated memory was 71.3MB in the beginning and 109.1MB in the end (delta: 37.7MB). Free memory was 34.8MB in the beginning and 88.8MB in the end (delta: -54.0MB). Peak memory consumption was 5.3MB. Max. memory is 16.1GB. [2023-08-30 02:03:29,203 INFO L158 Benchmark]: RCFGBuilder took 484.61ms. Allocated memory is still 109.1MB. Free memory was 88.8MB in the beginning and 69.3MB in the end (delta: 19.5MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-08-30 02:03:29,204 INFO L158 Benchmark]: TraceAbstraction took 118.33ms. Allocated memory is still 109.1MB. Free memory was 68.6MB in the beginning and 60.9MB in the end (delta: 7.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-08-30 02:03:29,209 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.58ms. Allocated memory is still 71.3MB. Free memory is still 48.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 218.74ms. Allocated memory is still 71.3MB. Free memory was 48.0MB in the beginning and 36.7MB in the end (delta: 11.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 48.79ms. Allocated memory is still 71.3MB. Free memory was 36.7MB in the beginning and 34.8MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 35.42ms. Allocated memory was 71.3MB in the beginning and 109.1MB in the end (delta: 37.7MB). Free memory was 34.8MB in the beginning and 88.8MB in the end (delta: -54.0MB). Peak memory consumption was 5.3MB. Max. memory is 16.1GB. * RCFGBuilder took 484.61ms. Allocated memory is still 109.1MB. Free memory was 88.8MB in the beginning and 69.3MB in the end (delta: 19.5MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 118.33ms. Allocated memory is still 109.1MB. Free memory was 68.6MB in the beginning and 60.9MB in the end (delta: 7.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: IllegalArgumentException: No enum constant de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TraceAbstractionPreferenceInitializer.InsufficientError.DEFORE de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: IllegalArgumentException: No enum constant de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TraceAbstractionPreferenceInitializer.InsufficientError.DEFORE: java.base/java.lang.Enum.valueOf(Enum.java:240) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-08-30 02:03:29,236 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/weaver/parallel-bakery-2.wvr.c -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 792abe541332f7dc398bc25a6deb152789a85df6c33026f5ef70dc244a881f99 --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations DEFORE --- Real Ultimate output --- This is Ultimate 0.2.3-?-b8dbc81 [2023-08-30 02:03:30,966 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-30 02:03:30,967 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-30 02:03:30,999 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-30 02:03:30,999 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-30 02:03:31,001 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-30 02:03:31,003 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-30 02:03:31,005 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-30 02:03:31,007 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-30 02:03:31,010 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-30 02:03:31,010 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-30 02:03:31,012 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-30 02:03:31,013 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-30 02:03:31,014 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-30 02:03:31,015 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-30 02:03:31,019 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-30 02:03:31,020 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-30 02:03:31,022 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-30 02:03:31,022 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-30 02:03:31,026 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-30 02:03:31,027 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-30 02:03:31,028 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-30 02:03:31,036 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-30 02:03:31,037 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-30 02:03:31,039 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-30 02:03:31,039 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-30 02:03:31,039 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-30 02:03:31,039 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-30 02:03:31,040 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-30 02:03:31,040 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-30 02:03:31,040 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-30 02:03:31,042 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-30 02:03:31,043 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-30 02:03:31,043 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-30 02:03:31,044 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-30 02:03:31,044 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-30 02:03:31,044 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-30 02:03:31,045 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-30 02:03:31,045 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-30 02:03:31,045 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-30 02:03:31,046 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-30 02:03:31,047 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2023-08-30 02:03:31,073 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-30 02:03:31,073 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-30 02:03:31,074 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-30 02:03:31,074 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-30 02:03:31,074 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-30 02:03:31,074 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-30 02:03:31,075 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-30 02:03:31,075 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-30 02:03:31,075 INFO L138 SettingsManager]: * Use SBE=true [2023-08-30 02:03:31,075 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-30 02:03:31,076 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-30 02:03:31,076 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-30 02:03:31,076 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-30 02:03:31,076 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-30 02:03:31,076 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-30 02:03:31,076 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-08-30 02:03:31,076 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2023-08-30 02:03:31,076 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-08-30 02:03:31,076 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-30 02:03:31,077 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-08-30 02:03:31,077 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2023-08-30 02:03:31,077 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-08-30 02:03:31,077 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-30 02:03:31,077 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-30 02:03:31,077 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-30 02:03:31,077 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-30 02:03:31,077 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-30 02:03:31,077 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 02:03:31,077 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-30 02:03:31,078 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-30 02:03:31,078 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2023-08-30 02:03:31,078 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-08-30 02:03:31,078 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-30 02:03:31,078 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-30 02:03:31,078 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-30 02:03:31,078 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2023-08-30 02:03:31,078 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-30 02:03:31,078 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 792abe541332f7dc398bc25a6deb152789a85df6c33026f5ef70dc244a881f99 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> DEFORE [2023-08-30 02:03:31,327 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-30 02:03:31,351 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-30 02:03:31,353 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-30 02:03:31,354 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-30 02:03:31,354 INFO L275 PluginConnector]: CDTParser initialized [2023-08-30 02:03:31,356 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/parallel-bakery-2.wvr.c [2023-08-30 02:03:32,433 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-30 02:03:32,584 INFO L351 CDTParser]: Found 1 translation units. [2023-08-30 02:03:32,584 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-bakery-2.wvr.c [2023-08-30 02:03:32,606 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6b451aae2/09edfac520a648a6a4add4cbd3dcf2e8/FLAG6aa00ec92 [2023-08-30 02:03:32,623 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6b451aae2/09edfac520a648a6a4add4cbd3dcf2e8 [2023-08-30 02:03:32,624 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-30 02:03:32,625 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-30 02:03:32,627 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-30 02:03:32,627 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-30 02:03:32,630 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-30 02:03:32,630 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 02:03:32" (1/1) ... [2023-08-30 02:03:32,631 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b001b69 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:03:32, skipping insertion in model container [2023-08-30 02:03:32,632 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 02:03:32" (1/1) ... [2023-08-30 02:03:32,636 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-30 02:03:32,655 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-30 02:03:32,792 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-bakery-2.wvr.c[3512,3525] [2023-08-30 02:03:32,794 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 02:03:32,804 INFO L203 MainTranslator]: Completed pre-run [2023-08-30 02:03:32,873 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-bakery-2.wvr.c[3512,3525] [2023-08-30 02:03:32,876 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 02:03:32,884 WARN L667 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 02:03:32,885 WARN L667 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 02:03:32,890 INFO L208 MainTranslator]: Completed translation [2023-08-30 02:03:32,890 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:03:32 WrapperNode [2023-08-30 02:03:32,891 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-30 02:03:32,892 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-30 02:03:32,892 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-30 02:03:32,892 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-30 02:03:32,897 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:03:32" (1/1) ... [2023-08-30 02:03:32,912 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:03:32" (1/1) ... [2023-08-30 02:03:32,935 INFO L138 Inliner]: procedures = 23, calls = 60, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 150 [2023-08-30 02:03:32,935 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-30 02:03:32,936 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-30 02:03:32,936 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-30 02:03:32,936 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-30 02:03:32,942 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:03:32" (1/1) ... [2023-08-30 02:03:32,942 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:03:32" (1/1) ... [2023-08-30 02:03:32,956 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:03:32" (1/1) ... [2023-08-30 02:03:32,956 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:03:32" (1/1) ... [2023-08-30 02:03:32,966 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:03:32" (1/1) ... [2023-08-30 02:03:32,972 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:03:32" (1/1) ... [2023-08-30 02:03:32,973 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:03:32" (1/1) ... [2023-08-30 02:03:32,978 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:03:32" (1/1) ... [2023-08-30 02:03:32,980 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-30 02:03:32,981 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-30 02:03:32,981 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-30 02:03:32,981 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-30 02:03:32,982 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:03:32" (1/1) ... [2023-08-30 02:03:32,987 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 02:03:32,996 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-30 02:03:33,046 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-08-30 02:03:33,086 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-08-30 02:03:33,096 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-30 02:03:33,096 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-08-30 02:03:33,097 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-08-30 02:03:33,097 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-08-30 02:03:33,097 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-08-30 02:03:33,097 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-08-30 02:03:33,097 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-30 02:03:33,097 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-08-30 02:03:33,097 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-08-30 02:03:33,097 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-08-30 02:03:33,098 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-30 02:03:33,098 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-30 02:03:33,098 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-30 02:03:33,098 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-08-30 02:03:33,099 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-08-30 02:03:33,194 INFO L236 CfgBuilder]: Building ICFG [2023-08-30 02:03:33,195 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-30 02:03:33,455 INFO L277 CfgBuilder]: Performing block encoding [2023-08-30 02:03:33,515 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-30 02:03:33,515 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-08-30 02:03:33,517 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 02:03:33 BoogieIcfgContainer [2023-08-30 02:03:33,517 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-30 02:03:33,519 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-30 02:03:33,519 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-30 02:03:33,522 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-30 02:03:33,522 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.08 02:03:32" (1/3) ... [2023-08-30 02:03:33,522 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76379218 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 02:03:33, skipping insertion in model container [2023-08-30 02:03:33,523 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:03:32" (2/3) ... [2023-08-30 02:03:33,523 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76379218 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 02:03:33, skipping insertion in model container [2023-08-30 02:03:33,523 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 02:03:33" (3/3) ... [2023-08-30 02:03:33,524 INFO L112 eAbstractionObserver]: Analyzing ICFG parallel-bakery-2.wvr.c [2023-08-30 02:03:33,536 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-30 02:03:33,537 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 10 error locations. [2023-08-30 02:03:33,537 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-30 02:03:33,636 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-08-30 02:03:33,641 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.IllegalArgumentException: No enum constant de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TraceAbstractionPreferenceInitializer.InsufficientError.DEFORE at java.base/java.lang.Enum.valueOf(Enum.java:240) at de.uni_freiburg.informatik.ultimate.core.preferences.RcpPreferenceProvider.getEnum(RcpPreferenceProvider.java:117) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TAPreferences.insufficientThreadErrorsVsProgramErrors(TAPreferences.java:218) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.partitionErrorLocations(TraceAbstractionStarter.java:394) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:280) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:225) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:173) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-08-30 02:03:33,644 INFO L158 Benchmark]: Toolchain (without parser) took 1017.73ms. Allocated memory was 62.9MB in the beginning and 98.6MB in the end (delta: 35.7MB). Free memory was 35.3MB in the beginning and 72.0MB in the end (delta: -36.8MB). Peak memory consumption was 24.3MB. Max. memory is 16.1GB. [2023-08-30 02:03:33,644 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 62.9MB. Free memory is still 41.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-08-30 02:03:33,644 INFO L158 Benchmark]: CACSL2BoogieTranslator took 263.79ms. Allocated memory was 62.9MB in the beginning and 98.6MB in the end (delta: 35.7MB). Free memory was 35.1MB in the beginning and 78.3MB in the end (delta: -43.2MB). Peak memory consumption was 11.8MB. Max. memory is 16.1GB. [2023-08-30 02:03:33,645 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.76ms. Allocated memory is still 98.6MB. Free memory was 78.3MB in the beginning and 76.3MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-30 02:03:33,645 INFO L158 Benchmark]: Boogie Preprocessor took 44.10ms. Allocated memory is still 98.6MB. Free memory was 76.3MB in the beginning and 75.0MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-30 02:03:33,646 INFO L158 Benchmark]: RCFGBuilder took 536.78ms. Allocated memory is still 98.6MB. Free memory was 75.0MB in the beginning and 52.6MB in the end (delta: 22.3MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2023-08-30 02:03:33,646 INFO L158 Benchmark]: TraceAbstraction took 123.66ms. Allocated memory is still 98.6MB. Free memory was 52.3MB in the beginning and 72.0MB in the end (delta: -19.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-08-30 02:03:33,648 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 62.9MB. Free memory is still 41.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 263.79ms. Allocated memory was 62.9MB in the beginning and 98.6MB in the end (delta: 35.7MB). Free memory was 35.1MB in the beginning and 78.3MB in the end (delta: -43.2MB). Peak memory consumption was 11.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 43.76ms. Allocated memory is still 98.6MB. Free memory was 78.3MB in the beginning and 76.3MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 44.10ms. Allocated memory is still 98.6MB. Free memory was 76.3MB in the beginning and 75.0MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 536.78ms. Allocated memory is still 98.6MB. Free memory was 75.0MB in the beginning and 52.6MB in the end (delta: 22.3MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * TraceAbstraction took 123.66ms. Allocated memory is still 98.6MB. Free memory was 52.3MB in the beginning and 72.0MB in the end (delta: -19.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: IllegalArgumentException: No enum constant de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TraceAbstractionPreferenceInitializer.InsufficientError.DEFORE de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: IllegalArgumentException: No enum constant de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TraceAbstractionPreferenceInitializer.InsufficientError.DEFORE: java.base/java.lang.Enum.valueOf(Enum.java:240) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-08-30 02:03:33,680 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