./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/no-data-race.prp --file ../../../trunk/examples/svcomp/weaver/popl20-queue-add-2.wvr.c --full-output --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations DEFORE --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version b8dbc81d Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../../../trunk/examples/svcomp/weaver/popl20-queue-add-2.wvr.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 89f85a9c071b9d85a8a89a1542b8738a051beeaf8ef3f8b389c5a92dd50b70df --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations DEFORE --- Real Ultimate output --- This is Ultimate 0.2.3-?-b8dbc81 [2023-08-29 09:15:32,427 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-29 09:15:32,430 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-29 09:15:32,464 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-29 09:15:32,465 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-29 09:15:32,468 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-29 09:15:32,471 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-29 09:15:32,474 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-29 09:15:32,476 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-29 09:15:32,485 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-29 09:15:32,486 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-29 09:15:32,488 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-29 09:15:32,489 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-29 09:15:32,490 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-29 09:15:32,492 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-29 09:15:32,499 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-29 09:15:32,501 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-29 09:15:32,502 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-29 09:15:32,504 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-29 09:15:32,512 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-29 09:15:32,517 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-29 09:15:32,518 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-29 09:15:32,519 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-29 09:15:32,520 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-29 09:15:32,524 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-29 09:15:32,524 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-29 09:15:32,525 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-29 09:15:32,527 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-29 09:15:32,527 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-29 09:15:32,528 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-29 09:15:32,529 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-29 09:15:32,530 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-29 09:15:32,531 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-29 09:15:32,532 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-29 09:15:32,533 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-29 09:15:32,533 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-29 09:15:32,533 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-29 09:15:32,534 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-29 09:15:32,534 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-29 09:15:32,535 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-29 09:15:32,535 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-29 09:15:32,540 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-08-29 09:15:32,570 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-29 09:15:32,570 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-29 09:15:32,571 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-29 09:15:32,571 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-29 09:15:32,572 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-29 09:15:32,572 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-29 09:15:32,573 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-29 09:15:32,573 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-29 09:15:32,573 INFO L138 SettingsManager]: * Use SBE=true [2023-08-29 09:15:32,574 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-29 09:15:32,574 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-29 09:15:32,575 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-29 09:15:32,575 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-29 09:15:32,575 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-29 09:15:32,575 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-29 09:15:32,575 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-29 09:15:32,575 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-29 09:15:32,576 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-29 09:15:32,576 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-08-29 09:15:32,576 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-29 09:15:32,576 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-29 09:15:32,576 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-29 09:15:32,577 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-29 09:15:32,577 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-29 09:15:32,577 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-29 09:15:32,577 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-29 09:15:32,577 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 09:15:32,578 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-29 09:15:32,578 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-29 09:15:32,578 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-29 09:15:32,578 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-29 09:15:32,578 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-29 09:15:32,579 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-29 09:15:32,579 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-29 09:15:32,579 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-29 09:15:32,579 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-29 09:15:32,579 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-29 09:15:32,580 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 89f85a9c071b9d85a8a89a1542b8738a051beeaf8ef3f8b389c5a92dd50b70df Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> DEFORE [2023-08-29 09:15:32,902 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-29 09:15:32,919 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-29 09:15:32,921 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-29 09:15:32,922 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-29 09:15:32,922 INFO L275 PluginConnector]: CDTParser initialized [2023-08-29 09:15:32,923 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-queue-add-2.wvr.c [2023-08-29 09:15:34,188 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-29 09:15:34,411 INFO L351 CDTParser]: Found 1 translation units. [2023-08-29 09:15:34,412 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-queue-add-2.wvr.c [2023-08-29 09:15:34,423 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ec99b8411/75013b7cfb864c20bb92ae501d3280e7/FLAGb9721d8c7 [2023-08-29 09:15:34,441 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ec99b8411/75013b7cfb864c20bb92ae501d3280e7 [2023-08-29 09:15:34,445 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-29 09:15:34,447 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-29 09:15:34,448 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-29 09:15:34,448 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-29 09:15:34,450 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-29 09:15:34,451 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 09:15:34" (1/1) ... [2023-08-29 09:15:34,452 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71eb7602 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:15:34, skipping insertion in model container [2023-08-29 09:15:34,452 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 09:15:34" (1/1) ... [2023-08-29 09:15:34,458 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-29 09:15:34,478 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-29 09:15:34,678 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/popl20-queue-add-2.wvr.c[2696,2709] [2023-08-29 09:15:34,687 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 09:15:34,698 INFO L203 MainTranslator]: Completed pre-run [2023-08-29 09:15:34,743 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/popl20-queue-add-2.wvr.c[2696,2709] [2023-08-29 09:15:34,748 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 09:15:34,758 WARN L667 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-08-29 09:15:34,759 WARN L667 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-08-29 09:15:34,765 INFO L208 MainTranslator]: Completed translation [2023-08-29 09:15:34,766 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:15:34 WrapperNode [2023-08-29 09:15:34,766 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-29 09:15:34,768 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-29 09:15:34,768 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-29 09:15:34,768 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-29 09:15:34,774 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:15:34" (1/1) ... [2023-08-29 09:15:34,792 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:15:34" (1/1) ... [2023-08-29 09:15:34,825 INFO L138 Inliner]: procedures = 24, calls = 39, calls flagged for inlining = 12, calls inlined = 12, statements flattened = 296 [2023-08-29 09:15:34,826 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-29 09:15:34,827 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-29 09:15:34,827 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-29 09:15:34,827 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-29 09:15:34,834 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:15:34" (1/1) ... [2023-08-29 09:15:34,835 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:15:34" (1/1) ... [2023-08-29 09:15:34,841 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:15:34" (1/1) ... [2023-08-29 09:15:34,850 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:15:34" (1/1) ... [2023-08-29 09:15:34,860 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:15:34" (1/1) ... [2023-08-29 09:15:34,876 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:15:34" (1/1) ... [2023-08-29 09:15:34,877 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:15:34" (1/1) ... [2023-08-29 09:15:34,879 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:15:34" (1/1) ... [2023-08-29 09:15:34,882 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-29 09:15:34,883 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-29 09:15:34,883 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-29 09:15:34,883 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-29 09:15:34,884 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:15:34" (1/1) ... [2023-08-29 09:15:34,891 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 09:15:34,914 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-29 09:15:34,925 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-08-29 09:15:34,955 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-08-29 09:15:34,958 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-29 09:15:34,958 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-08-29 09:15:34,959 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-08-29 09:15:34,959 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-08-29 09:15:34,959 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-08-29 09:15:34,959 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-29 09:15:34,959 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-29 09:15:34,959 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-29 09:15:34,959 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-08-29 09:15:34,959 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-08-29 09:15:34,959 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-08-29 09:15:34,959 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-29 09:15:34,960 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-29 09:15:34,960 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-29 09:15:34,960 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-29 09:15:34,961 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-08-29 09:15:35,072 INFO L236 CfgBuilder]: Building ICFG [2023-08-29 09:15:35,074 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-29 09:15:35,664 INFO L277 CfgBuilder]: Performing block encoding [2023-08-29 09:15:35,889 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-29 09:15:35,889 INFO L302 CfgBuilder]: Removed 3 assume(true) statements. [2023-08-29 09:15:35,891 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 09:15:35 BoogieIcfgContainer [2023-08-29 09:15:35,892 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-29 09:15:35,894 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-29 09:15:35,894 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-29 09:15:35,897 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-29 09:15:35,897 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.08 09:15:34" (1/3) ... [2023-08-29 09:15:35,898 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64896065 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 09:15:35, skipping insertion in model container [2023-08-29 09:15:35,898 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:15:34" (2/3) ... [2023-08-29 09:15:35,898 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64896065 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 09:15:35, skipping insertion in model container [2023-08-29 09:15:35,898 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 09:15:35" (3/3) ... [2023-08-29 09:15:35,899 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-queue-add-2.wvr.c [2023-08-29 09:15:35,908 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-29 09:15:35,918 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-29 09:15:35,918 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 42 error locations. [2023-08-29 09:15:35,918 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-29 09:15:36,015 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-08-29 09:15:36,021 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.IllegalArgumentException: No enum constant de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TraceAbstractionPreferenceInitializer.InsufficientError.DEFORE at java.base/java.lang.Enum.valueOf(Enum.java:240) at de.uni_freiburg.informatik.ultimate.core.preferences.RcpPreferenceProvider.getEnum(RcpPreferenceProvider.java:117) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TAPreferences.insufficientThreadErrorsVsProgramErrors(TAPreferences.java:218) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.partitionErrorLocations(TraceAbstractionStarter.java:394) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:280) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:225) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:173) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-08-29 09:15:36,027 INFO L158 Benchmark]: Toolchain (without parser) took 1579.28ms. Allocated memory was 67.1MB in the beginning and 81.8MB in the end (delta: 14.7MB). Free memory was 45.0MB in the beginning and 56.0MB in the end (delta: -11.0MB). Peak memory consumption was 30.6MB. Max. memory is 16.1GB. [2023-08-29 09:15:36,028 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 54.5MB. Free memory was 32.2MB in the beginning and 32.2MB in the end (delta: 48.8kB). There was no memory consumed. Max. memory is 16.1GB. [2023-08-29 09:15:36,029 INFO L158 Benchmark]: CACSL2BoogieTranslator took 318.45ms. Allocated memory is still 67.1MB. Free memory was 44.7MB in the beginning and 32.4MB in the end (delta: 12.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-08-29 09:15:36,029 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.56ms. Allocated memory is still 67.1MB. Free memory was 32.4MB in the beginning and 47.2MB in the end (delta: -14.8MB). Peak memory consumption was 5.6MB. Max. memory is 16.1GB. [2023-08-29 09:15:36,030 INFO L158 Benchmark]: Boogie Preprocessor took 55.92ms. Allocated memory is still 67.1MB. Free memory was 47.2MB in the beginning and 44.8MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-29 09:15:36,031 INFO L158 Benchmark]: RCFGBuilder took 1008.52ms. Allocated memory was 67.1MB in the beginning and 81.8MB in the end (delta: 14.7MB). Free memory was 44.8MB in the beginning and 48.5MB in the end (delta: -3.6MB). Peak memory consumption was 24.9MB. Max. memory is 16.1GB. [2023-08-29 09:15:36,032 INFO L158 Benchmark]: TraceAbstraction took 131.47ms. Allocated memory is still 81.8MB. Free memory was 47.7MB in the beginning and 56.0MB in the end (delta: -8.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-08-29 09:15:36,039 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 54.5MB. Free memory was 32.2MB in the beginning and 32.2MB in the end (delta: 48.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 318.45ms. Allocated memory is still 67.1MB. Free memory was 44.7MB in the beginning and 32.4MB in the end (delta: 12.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 58.56ms. Allocated memory is still 67.1MB. Free memory was 32.4MB in the beginning and 47.2MB in the end (delta: -14.8MB). Peak memory consumption was 5.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 55.92ms. Allocated memory is still 67.1MB. Free memory was 47.2MB in the beginning and 44.8MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1008.52ms. Allocated memory was 67.1MB in the beginning and 81.8MB in the end (delta: 14.7MB). Free memory was 44.8MB in the beginning and 48.5MB in the end (delta: -3.6MB). Peak memory consumption was 24.9MB. Max. memory is 16.1GB. * TraceAbstraction took 131.47ms. Allocated memory is still 81.8MB. Free memory was 47.7MB in the beginning and 56.0MB in the end (delta: -8.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: IllegalArgumentException: No enum constant de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TraceAbstractionPreferenceInitializer.InsufficientError.DEFORE de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: IllegalArgumentException: No enum constant de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TraceAbstractionPreferenceInitializer.InsufficientError.DEFORE: java.base/java.lang.Enum.valueOf(Enum.java:240) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-08-29 09:15:36,055 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../../../trunk/examples/svcomp/weaver/popl20-queue-add-2.wvr.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 89f85a9c071b9d85a8a89a1542b8738a051beeaf8ef3f8b389c5a92dd50b70df --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations DEFORE --- Real Ultimate output --- This is Ultimate 0.2.3-?-b8dbc81 [2023-08-29 09:15:37,957 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-29 09:15:37,959 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-29 09:15:37,999 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-29 09:15:38,000 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-29 09:15:38,003 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-29 09:15:38,005 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-29 09:15:38,007 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-29 09:15:38,009 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-29 09:15:38,012 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-29 09:15:38,013 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-29 09:15:38,015 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-29 09:15:38,015 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-29 09:15:38,019 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-29 09:15:38,020 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-29 09:15:38,025 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-29 09:15:38,026 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-29 09:15:38,028 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-29 09:15:38,029 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-29 09:15:38,034 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-29 09:15:38,035 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-29 09:15:38,036 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-29 09:15:38,037 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-29 09:15:38,038 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-29 09:15:38,044 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-29 09:15:38,045 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-29 09:15:38,045 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-29 09:15:38,047 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-29 09:15:38,047 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-29 09:15:38,048 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-29 09:15:38,048 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-29 09:15:38,050 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-29 09:15:38,052 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-29 09:15:38,052 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-29 09:15:38,053 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-29 09:15:38,054 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-29 09:15:38,054 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-29 09:15:38,054 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-29 09:15:38,055 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-29 09:15:38,055 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-29 09:15:38,056 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-29 09:15:38,058 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Bitvector.epf [2023-08-29 09:15:38,102 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-29 09:15:38,103 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-29 09:15:38,104 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-29 09:15:38,104 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-29 09:15:38,105 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-29 09:15:38,105 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-29 09:15:38,106 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-29 09:15:38,106 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-29 09:15:38,106 INFO L138 SettingsManager]: * Use SBE=true [2023-08-29 09:15:38,106 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-29 09:15:38,107 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-29 09:15:38,107 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-29 09:15:38,107 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-29 09:15:38,108 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-29 09:15:38,108 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-29 09:15:38,108 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-29 09:15:38,108 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-29 09:15:38,108 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-08-29 09:15:38,108 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2023-08-29 09:15:38,109 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-08-29 09:15:38,109 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-29 09:15:38,109 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-29 09:15:38,109 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-29 09:15:38,109 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-29 09:15:38,109 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-29 09:15:38,110 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-29 09:15:38,110 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-29 09:15:38,110 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 09:15:38,110 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-29 09:15:38,110 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-29 09:15:38,110 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-29 09:15:38,111 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2023-08-29 09:15:38,111 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-08-29 09:15:38,111 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-29 09:15:38,111 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-29 09:15:38,111 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-29 09:15:38,112 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-29 09:15:38,112 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2023-08-29 09:15:38,112 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-29 09:15:38,112 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 89f85a9c071b9d85a8a89a1542b8738a051beeaf8ef3f8b389c5a92dd50b70df Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> DEFORE [2023-08-29 09:15:38,414 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-29 09:15:38,433 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-29 09:15:38,435 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-29 09:15:38,436 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-29 09:15:38,437 INFO L275 PluginConnector]: CDTParser initialized [2023-08-29 09:15:38,438 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-queue-add-2.wvr.c [2023-08-29 09:15:39,718 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-29 09:15:39,928 INFO L351 CDTParser]: Found 1 translation units. [2023-08-29 09:15:39,928 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-queue-add-2.wvr.c [2023-08-29 09:15:39,934 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/04c540e08/af536a9678f54786baafffc06ec785b2/FLAG720ea4819 [2023-08-29 09:15:40,277 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/04c540e08/af536a9678f54786baafffc06ec785b2 [2023-08-29 09:15:40,279 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-29 09:15:40,280 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-29 09:15:40,281 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-29 09:15:40,282 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-29 09:15:40,285 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-29 09:15:40,286 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 09:15:40" (1/1) ... [2023-08-29 09:15:40,287 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64cb6cd8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:15:40, skipping insertion in model container [2023-08-29 09:15:40,287 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 09:15:40" (1/1) ... [2023-08-29 09:15:40,291 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-29 09:15:40,312 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-29 09:15:40,495 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/popl20-queue-add-2.wvr.c[2696,2709] [2023-08-29 09:15:40,502 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 09:15:40,512 INFO L203 MainTranslator]: Completed pre-run [2023-08-29 09:15:40,536 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/popl20-queue-add-2.wvr.c[2696,2709] [2023-08-29 09:15:40,546 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 09:15:40,562 WARN L667 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-08-29 09:15:40,563 WARN L667 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-08-29 09:15:40,572 INFO L208 MainTranslator]: Completed translation [2023-08-29 09:15:40,572 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:15:40 WrapperNode [2023-08-29 09:15:40,572 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-29 09:15:40,574 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-29 09:15:40,574 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-29 09:15:40,575 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-29 09:15:40,581 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:15:40" (1/1) ... [2023-08-29 09:15:40,603 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:15:40" (1/1) ... [2023-08-29 09:15:40,672 INFO L138 Inliner]: procedures = 26, calls = 39, calls flagged for inlining = 12, calls inlined = 12, statements flattened = 292 [2023-08-29 09:15:40,672 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-29 09:15:40,673 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-29 09:15:40,673 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-29 09:15:40,673 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-29 09:15:40,681 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:15:40" (1/1) ... [2023-08-29 09:15:40,681 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:15:40" (1/1) ... [2023-08-29 09:15:40,685 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:15:40" (1/1) ... [2023-08-29 09:15:40,685 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:15:40" (1/1) ... [2023-08-29 09:15:40,697 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:15:40" (1/1) ... [2023-08-29 09:15:40,703 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:15:40" (1/1) ... [2023-08-29 09:15:40,715 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:15:40" (1/1) ... [2023-08-29 09:15:40,716 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:15:40" (1/1) ... [2023-08-29 09:15:40,720 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-29 09:15:40,720 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-29 09:15:40,721 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-29 09:15:40,721 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-29 09:15:40,730 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:15:40" (1/1) ... [2023-08-29 09:15:40,736 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 09:15:40,748 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-29 09:15:40,761 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-08-29 09:15:40,778 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-08-29 09:15:40,803 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-29 09:15:40,803 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-08-29 09:15:40,803 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-29 09:15:40,803 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-08-29 09:15:40,803 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-08-29 09:15:40,804 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-08-29 09:15:40,804 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-08-29 09:15:40,804 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-08-29 09:15:40,804 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-08-29 09:15:40,804 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-08-29 09:15:40,804 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-08-29 09:15:40,805 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-29 09:15:40,805 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-29 09:15:40,805 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-29 09:15:40,805 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-08-29 09:15:40,807 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-08-29 09:15:40,936 INFO L236 CfgBuilder]: Building ICFG [2023-08-29 09:15:40,938 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-29 09:15:41,610 INFO L277 CfgBuilder]: Performing block encoding [2023-08-29 09:15:41,909 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-29 09:15:41,909 INFO L302 CfgBuilder]: Removed 3 assume(true) statements. [2023-08-29 09:15:41,911 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 09:15:41 BoogieIcfgContainer [2023-08-29 09:15:41,911 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-29 09:15:41,919 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-29 09:15:41,919 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-29 09:15:41,922 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-29 09:15:41,922 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.08 09:15:40" (1/3) ... [2023-08-29 09:15:41,922 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d4ae6a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 09:15:41, skipping insertion in model container [2023-08-29 09:15:41,923 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:15:40" (2/3) ... [2023-08-29 09:15:41,923 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d4ae6a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 09:15:41, skipping insertion in model container [2023-08-29 09:15:41,923 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 09:15:41" (3/3) ... [2023-08-29 09:15:41,925 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-queue-add-2.wvr.c [2023-08-29 09:15:41,935 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-29 09:15:41,944 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-29 09:15:41,944 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 42 error locations. [2023-08-29 09:15:41,944 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-29 09:15:42,044 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-08-29 09:15:42,050 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.IllegalArgumentException: No enum constant de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TraceAbstractionPreferenceInitializer.InsufficientError.DEFORE at java.base/java.lang.Enum.valueOf(Enum.java:240) at de.uni_freiburg.informatik.ultimate.core.preferences.RcpPreferenceProvider.getEnum(RcpPreferenceProvider.java:117) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TAPreferences.insufficientThreadErrorsVsProgramErrors(TAPreferences.java:218) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.partitionErrorLocations(TraceAbstractionStarter.java:394) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:280) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:225) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:173) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-08-29 09:15:42,055 INFO L158 Benchmark]: Toolchain (without parser) took 1774.18ms. Allocated memory was 71.3MB in the beginning and 86.0MB in the end (delta: 14.7MB). Free memory was 48.4MB in the beginning and 39.3MB in the end (delta: 9.1MB). Peak memory consumption was 26.9MB. Max. memory is 16.1GB. [2023-08-29 09:15:42,056 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 52.4MB. Free memory was 30.5MB in the beginning and 30.5MB in the end (delta: 1.6kB). There was no memory consumed. Max. memory is 16.1GB. [2023-08-29 09:15:42,057 INFO L158 Benchmark]: CACSL2BoogieTranslator took 291.39ms. Allocated memory is still 71.3MB. Free memory was 48.2MB in the beginning and 35.3MB in the end (delta: 12.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-08-29 09:15:42,057 INFO L158 Benchmark]: Boogie Procedure Inliner took 98.10ms. Allocated memory is still 71.3MB. Free memory was 35.3MB in the beginning and 50.1MB in the end (delta: -14.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-08-29 09:15:42,058 INFO L158 Benchmark]: Boogie Preprocessor took 46.75ms. Allocated memory is still 71.3MB. Free memory was 50.1MB in the beginning and 47.7MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB. [2023-08-29 09:15:42,059 INFO L158 Benchmark]: RCFGBuilder took 1191.05ms. Allocated memory was 71.3MB in the beginning and 86.0MB in the end (delta: 14.7MB). Free memory was 47.5MB in the beginning and 34.9MB in the end (delta: 12.6MB). Peak memory consumption was 31.0MB. Max. memory is 16.1GB. [2023-08-29 09:15:42,060 INFO L158 Benchmark]: TraceAbstraction took 135.14ms. Allocated memory is still 86.0MB. Free memory was 60.3MB in the beginning and 39.3MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-08-29 09:15:42,067 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 52.4MB. Free memory was 30.5MB in the beginning and 30.5MB in the end (delta: 1.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 291.39ms. Allocated memory is still 71.3MB. Free memory was 48.2MB in the beginning and 35.3MB in the end (delta: 12.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 98.10ms. Allocated memory is still 71.3MB. Free memory was 35.3MB in the beginning and 50.1MB in the end (delta: -14.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 46.75ms. Allocated memory is still 71.3MB. Free memory was 50.1MB in the beginning and 47.7MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 1191.05ms. Allocated memory was 71.3MB in the beginning and 86.0MB in the end (delta: 14.7MB). Free memory was 47.5MB in the beginning and 34.9MB in the end (delta: 12.6MB). Peak memory consumption was 31.0MB. Max. memory is 16.1GB. * TraceAbstraction took 135.14ms. Allocated memory is still 86.0MB. Free memory was 60.3MB in the beginning and 39.3MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: IllegalArgumentException: No enum constant de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TraceAbstractionPreferenceInitializer.InsufficientError.DEFORE de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: IllegalArgumentException: No enum constant de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TraceAbstractionPreferenceInitializer.InsufficientError.DEFORE: java.base/java.lang.Enum.valueOf(Enum.java:240) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-08-29 09:15:42,094 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