./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/weaver/popl20-difference-det.wvr.c --full-output --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations DEFORE --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b8dbc81d Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../../../trunk/examples/svcomp/weaver/popl20-difference-det.wvr.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 739dc04b5c5aa67083a96cc98ccb84e17de2a97ca235c28aa84e8c99a10b0a9e --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations DEFORE --- Real Ultimate output --- This is Ultimate 0.2.3-?-b8dbc81 [2023-08-30 22:34:30,231 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-30 22:34:30,233 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-30 22:34:30,257 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-30 22:34:30,258 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-30 22:34:30,259 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-30 22:34:30,260 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-30 22:34:30,262 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-30 22:34:30,263 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-30 22:34:30,264 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-30 22:34:30,265 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-30 22:34:30,266 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-30 22:34:30,266 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-30 22:34:30,267 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-30 22:34:30,268 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-30 22:34:30,269 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-30 22:34:30,269 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-30 22:34:30,270 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-30 22:34:30,272 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-30 22:34:30,273 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-30 22:34:30,284 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-30 22:34:30,285 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-30 22:34:30,286 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-30 22:34:30,287 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-30 22:34:30,293 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-30 22:34:30,297 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-30 22:34:30,297 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-30 22:34:30,298 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-30 22:34:30,300 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-30 22:34:30,301 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-30 22:34:30,301 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-30 22:34:30,306 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-30 22:34:30,308 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-30 22:34:30,309 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-30 22:34:30,310 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-30 22:34:30,313 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-30 22:34:30,314 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-30 22:34:30,315 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-30 22:34:30,315 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-30 22:34:30,317 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-30 22:34:30,317 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-30 22:34:30,319 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-08-30 22:34:30,354 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-30 22:34:30,355 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-30 22:34:30,356 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-30 22:34:30,357 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-30 22:34:30,358 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-30 22:34:30,358 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-30 22:34:30,359 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-30 22:34:30,359 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-30 22:34:30,359 INFO L138 SettingsManager]: * Use SBE=true [2023-08-30 22:34:30,360 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-30 22:34:30,361 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-30 22:34:30,361 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-30 22:34:30,361 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-30 22:34:30,361 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-30 22:34:30,361 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-30 22:34:30,362 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-30 22:34:30,362 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-30 22:34:30,362 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-30 22:34:30,362 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-30 22:34:30,363 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-30 22:34:30,363 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-30 22:34:30,363 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-30 22:34:30,363 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-30 22:34:30,364 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-30 22:34:30,364 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 22:34:30,364 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-30 22:34:30,364 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-30 22:34:30,365 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-30 22:34:30,365 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-30 22:34:30,365 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-30 22:34:30,365 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-30 22:34:30,365 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-30 22:34:30,366 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-30 22:34:30,366 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-30 22:34:30,366 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-30 22:34:30,366 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 739dc04b5c5aa67083a96cc98ccb84e17de2a97ca235c28aa84e8c99a10b0a9e Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> DEFORE [2023-08-30 22:34:30,701 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-30 22:34:30,724 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-30 22:34:30,726 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-30 22:34:30,727 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-30 22:34:30,728 INFO L275 PluginConnector]: CDTParser initialized [2023-08-30 22:34:30,729 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-difference-det.wvr.c [2023-08-30 22:34:31,911 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-30 22:34:32,115 INFO L351 CDTParser]: Found 1 translation units. [2023-08-30 22:34:32,116 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-difference-det.wvr.c [2023-08-30 22:34:32,125 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/511d7ae88/53d5faac40d4411d8434eeb022be1f87/FLAG3bc0f9110 [2023-08-30 22:34:32,137 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/511d7ae88/53d5faac40d4411d8434eeb022be1f87 [2023-08-30 22:34:32,139 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-30 22:34:32,140 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-30 22:34:32,141 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-30 22:34:32,141 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-30 22:34:32,144 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-30 22:34:32,144 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 10:34:32" (1/1) ... [2023-08-30 22:34:32,145 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f219993 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:34:32, skipping insertion in model container [2023-08-30 22:34:32,145 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 10:34:32" (1/1) ... [2023-08-30 22:34:32,151 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-30 22:34:32,165 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-30 22:34:32,303 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-difference-det.wvr.c[2507,2520] [2023-08-30 22:34:32,307 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 22:34:32,315 INFO L203 MainTranslator]: Completed pre-run [2023-08-30 22:34:32,334 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-difference-det.wvr.c[2507,2520] [2023-08-30 22:34:32,335 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 22:34:32,342 WARN L667 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 22:34:32,342 WARN L667 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 22:34:32,348 INFO L208 MainTranslator]: Completed translation [2023-08-30 22:34:32,349 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:34:32 WrapperNode [2023-08-30 22:34:32,349 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-30 22:34:32,350 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-30 22:34:32,351 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-30 22:34:32,351 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-30 22:34:32,357 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:34:32" (1/1) ... [2023-08-30 22:34:32,375 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:34:32" (1/1) ... [2023-08-30 22:34:32,402 INFO L138 Inliner]: procedures = 23, calls = 41, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 122 [2023-08-30 22:34:32,403 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-30 22:34:32,404 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-30 22:34:32,404 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-30 22:34:32,405 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-30 22:34:32,413 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:34:32" (1/1) ... [2023-08-30 22:34:32,414 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:34:32" (1/1) ... [2023-08-30 22:34:32,425 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:34:32" (1/1) ... [2023-08-30 22:34:32,426 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:34:32" (1/1) ... [2023-08-30 22:34:32,435 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:34:32" (1/1) ... [2023-08-30 22:34:32,444 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:34:32" (1/1) ... [2023-08-30 22:34:32,447 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:34:32" (1/1) ... [2023-08-30 22:34:32,452 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:34:32" (1/1) ... [2023-08-30 22:34:32,454 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-30 22:34:32,458 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-30 22:34:32,458 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-30 22:34:32,459 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-30 22:34:32,459 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:34:32" (1/1) ... [2023-08-30 22:34:32,465 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 22:34:32,475 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-30 22:34:32,489 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-08-30 22:34:32,513 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-08-30 22:34:32,525 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-30 22:34:32,526 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-08-30 22:34:32,526 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-08-30 22:34:32,527 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-08-30 22:34:32,527 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-08-30 22:34:32,528 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-08-30 22:34:32,528 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-08-30 22:34:32,528 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2023-08-30 22:34:32,528 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2023-08-30 22:34:32,528 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-30 22:34:32,528 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-30 22:34:32,528 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-30 22:34:32,528 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-08-30 22:34:32,529 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-08-30 22:34:32,529 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-30 22:34:32,529 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-30 22:34:32,529 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-30 22:34:32,529 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-30 22:34:32,530 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-08-30 22:34:32,659 INFO L236 CfgBuilder]: Building ICFG [2023-08-30 22:34:32,661 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-30 22:34:32,964 INFO L277 CfgBuilder]: Performing block encoding [2023-08-30 22:34:33,002 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-30 22:34:33,002 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-08-30 22:34:33,004 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 10:34:33 BoogieIcfgContainer [2023-08-30 22:34:33,004 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-30 22:34:33,005 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-30 22:34:33,006 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-30 22:34:33,008 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-30 22:34:33,008 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.08 10:34:32" (1/3) ... [2023-08-30 22:34:33,009 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a024ba9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 10:34:33, skipping insertion in model container [2023-08-30 22:34:33,009 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:34:32" (2/3) ... [2023-08-30 22:34:33,009 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a024ba9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 10:34:33, skipping insertion in model container [2023-08-30 22:34:33,009 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 10:34:33" (3/3) ... [2023-08-30 22:34:33,010 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-difference-det.wvr.c [2023-08-30 22:34:33,016 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-30 22:34:33,024 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-30 22:34:33,024 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-08-30 22:34:33,024 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-30 22:34:33,086 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2023-08-30 22:34:33,092 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.IllegalArgumentException: No enum constant de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TraceAbstractionPreferenceInitializer.InsufficientError.DEFORE at java.base/java.lang.Enum.valueOf(Enum.java:240) at de.uni_freiburg.informatik.ultimate.core.preferences.RcpPreferenceProvider.getEnum(RcpPreferenceProvider.java:117) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TAPreferences.insufficientThreadErrorsVsProgramErrors(TAPreferences.java:218) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.partitionErrorLocations(TraceAbstractionStarter.java:394) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:280) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:225) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:173) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-08-30 22:34:33,096 INFO L158 Benchmark]: Toolchain (without parser) took 955.36ms. Allocated memory is still 81.8MB. Free memory was 60.2MB in the beginning and 41.0MB in the end (delta: 19.2MB). Peak memory consumption was 19.0MB. Max. memory is 16.1GB. [2023-08-30 22:34:33,096 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 58.7MB. Free memory is still 36.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-08-30 22:34:33,097 INFO L158 Benchmark]: CACSL2BoogieTranslator took 208.84ms. Allocated memory is still 81.8MB. Free memory was 59.9MB in the beginning and 48.8MB in the end (delta: 11.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-08-30 22:34:33,097 INFO L158 Benchmark]: Boogie Procedure Inliner took 52.50ms. Allocated memory is still 81.8MB. Free memory was 48.8MB in the beginning and 47.0MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-30 22:34:33,098 INFO L158 Benchmark]: Boogie Preprocessor took 52.79ms. Allocated memory is still 81.8MB. Free memory was 47.0MB in the beginning and 45.6MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2023-08-30 22:34:33,098 INFO L158 Benchmark]: RCFGBuilder took 546.55ms. Allocated memory is still 81.8MB. Free memory was 45.6MB in the beginning and 50.2MB in the end (delta: -4.6MB). Peak memory consumption was 10.6MB. Max. memory is 16.1GB. [2023-08-30 22:34:33,099 INFO L158 Benchmark]: TraceAbstraction took 89.06ms. Allocated memory is still 81.8MB. Free memory was 49.8MB in the beginning and 41.0MB in the end (delta: 8.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-08-30 22:34:33,102 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 58.7MB. Free memory is still 36.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 208.84ms. Allocated memory is still 81.8MB. Free memory was 59.9MB in the beginning and 48.8MB in the end (delta: 11.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 52.50ms. Allocated memory is still 81.8MB. Free memory was 48.8MB in the beginning and 47.0MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 52.79ms. Allocated memory is still 81.8MB. Free memory was 47.0MB in the beginning and 45.6MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 546.55ms. Allocated memory is still 81.8MB. Free memory was 45.6MB in the beginning and 50.2MB in the end (delta: -4.6MB). Peak memory consumption was 10.6MB. Max. memory is 16.1GB. * TraceAbstraction took 89.06ms. Allocated memory is still 81.8MB. Free memory was 49.8MB in the beginning and 41.0MB in the end (delta: 8.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: IllegalArgumentException: No enum constant de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TraceAbstractionPreferenceInitializer.InsufficientError.DEFORE de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: IllegalArgumentException: No enum constant de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TraceAbstractionPreferenceInitializer.InsufficientError.DEFORE: java.base/java.lang.Enum.valueOf(Enum.java:240) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-08-30 22:34:33,130 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../../../trunk/examples/svcomp/weaver/popl20-difference-det.wvr.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 739dc04b5c5aa67083a96cc98ccb84e17de2a97ca235c28aa84e8c99a10b0a9e --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations DEFORE --- Real Ultimate output --- This is Ultimate 0.2.3-?-b8dbc81 [2023-08-30 22:34:35,026 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-30 22:34:35,029 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-30 22:34:35,070 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-30 22:34:35,070 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-30 22:34:35,073 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-30 22:34:35,075 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-30 22:34:35,078 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-30 22:34:35,080 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-30 22:34:35,084 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-30 22:34:35,085 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-30 22:34:35,087 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-30 22:34:35,087 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-30 22:34:35,089 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-30 22:34:35,090 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-30 22:34:35,095 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-30 22:34:35,096 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-30 22:34:35,098 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-30 22:34:35,099 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-30 22:34:35,104 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-30 22:34:35,105 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-30 22:34:35,110 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-30 22:34:35,111 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-30 22:34:35,113 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-30 22:34:35,117 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-30 22:34:35,118 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-30 22:34:35,118 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-30 22:34:35,120 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-30 22:34:35,120 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-30 22:34:35,121 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-30 22:34:35,121 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-30 22:34:35,123 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-30 22:34:35,124 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-30 22:34:35,125 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-30 22:34:35,126 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-30 22:34:35,126 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-30 22:34:35,127 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-30 22:34:35,127 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-30 22:34:35,127 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-30 22:34:35,128 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-30 22:34:35,128 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-30 22:34:35,130 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-08-30 22:34:35,162 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-30 22:34:35,162 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-30 22:34:35,163 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-30 22:34:35,164 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-30 22:34:35,165 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-30 22:34:35,165 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-30 22:34:35,165 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-30 22:34:35,165 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-30 22:34:35,166 INFO L138 SettingsManager]: * Use SBE=true [2023-08-30 22:34:35,166 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-30 22:34:35,167 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-30 22:34:35,167 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-30 22:34:35,167 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-30 22:34:35,167 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-30 22:34:35,167 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-30 22:34:35,168 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-30 22:34:35,168 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-08-30 22:34:35,168 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2023-08-30 22:34:35,168 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-08-30 22:34:35,168 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-30 22:34:35,169 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-30 22:34:35,169 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-30 22:34:35,169 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-30 22:34:35,169 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-30 22:34:35,169 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-30 22:34:35,170 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-30 22:34:35,170 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 22:34:35,170 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-30 22:34:35,170 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-30 22:34:35,170 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-30 22:34:35,171 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2023-08-30 22:34:35,171 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-08-30 22:34:35,171 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-30 22:34:35,171 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-30 22:34:35,171 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-30 22:34:35,172 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-30 22:34:35,172 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2023-08-30 22:34:35,172 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-30 22:34:35,172 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 739dc04b5c5aa67083a96cc98ccb84e17de2a97ca235c28aa84e8c99a10b0a9e Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> DEFORE [2023-08-30 22:34:35,464 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-30 22:34:35,481 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-30 22:34:35,484 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-30 22:34:35,485 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-30 22:34:35,486 INFO L275 PluginConnector]: CDTParser initialized [2023-08-30 22:34:35,487 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-difference-det.wvr.c [2023-08-30 22:34:36,809 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-30 22:34:37,003 INFO L351 CDTParser]: Found 1 translation units. [2023-08-30 22:34:37,004 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-difference-det.wvr.c [2023-08-30 22:34:37,010 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2ce776a7d/c10dbefb0d6a48ff9a720cdd5f2008d5/FLAG71ba7214e [2023-08-30 22:34:37,022 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2ce776a7d/c10dbefb0d6a48ff9a720cdd5f2008d5 [2023-08-30 22:34:37,023 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-30 22:34:37,024 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-30 22:34:37,025 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-30 22:34:37,025 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-30 22:34:37,030 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-30 22:34:37,031 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 10:34:37" (1/1) ... [2023-08-30 22:34:37,032 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b3d28d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:34:37, skipping insertion in model container [2023-08-30 22:34:37,032 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 10:34:37" (1/1) ... [2023-08-30 22:34:37,037 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-30 22:34:37,051 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-30 22:34:37,182 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-difference-det.wvr.c[2507,2520] [2023-08-30 22:34:37,186 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 22:34:37,196 INFO L203 MainTranslator]: Completed pre-run [2023-08-30 22:34:37,215 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-difference-det.wvr.c[2507,2520] [2023-08-30 22:34:37,216 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 22:34:37,223 WARN L667 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 22:34:37,223 WARN L667 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 22:34:37,229 INFO L208 MainTranslator]: Completed translation [2023-08-30 22:34:37,229 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:34:37 WrapperNode [2023-08-30 22:34:37,230 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-30 22:34:37,231 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-30 22:34:37,231 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-30 22:34:37,231 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-30 22:34:37,237 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:34:37" (1/1) ... [2023-08-30 22:34:37,245 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:34:37" (1/1) ... [2023-08-30 22:34:37,262 INFO L138 Inliner]: procedures = 25, calls = 41, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 120 [2023-08-30 22:34:37,263 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-30 22:34:37,263 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-30 22:34:37,264 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-30 22:34:37,264 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-30 22:34:37,270 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:34:37" (1/1) ... [2023-08-30 22:34:37,271 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:34:37" (1/1) ... [2023-08-30 22:34:37,285 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:34:37" (1/1) ... [2023-08-30 22:34:37,287 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:34:37" (1/1) ... [2023-08-30 22:34:37,295 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:34:37" (1/1) ... [2023-08-30 22:34:37,306 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:34:37" (1/1) ... [2023-08-30 22:34:37,309 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:34:37" (1/1) ... [2023-08-30 22:34:37,314 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:34:37" (1/1) ... [2023-08-30 22:34:37,317 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-30 22:34:37,321 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-30 22:34:37,321 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-30 22:34:37,321 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-30 22:34:37,322 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:34:37" (1/1) ... [2023-08-30 22:34:37,327 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 22:34:37,337 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-30 22:34:37,350 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-08-30 22:34:37,379 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-08-30 22:34:37,395 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-30 22:34:37,395 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-08-30 22:34:37,395 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-08-30 22:34:37,396 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-08-30 22:34:37,396 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-08-30 22:34:37,396 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-08-30 22:34:37,396 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-08-30 22:34:37,396 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-08-30 22:34:37,396 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2023-08-30 22:34:37,396 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2023-08-30 22:34:37,397 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-30 22:34:37,397 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-08-30 22:34:37,397 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-08-30 22:34:37,397 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-08-30 22:34:37,397 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-30 22:34:37,397 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-30 22:34:37,398 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-30 22:34:37,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-08-30 22:34:37,399 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-08-30 22:34:37,545 INFO L236 CfgBuilder]: Building ICFG [2023-08-30 22:34:37,547 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-30 22:34:37,799 INFO L277 CfgBuilder]: Performing block encoding [2023-08-30 22:34:37,871 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-30 22:34:37,872 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-08-30 22:34:37,874 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 10:34:37 BoogieIcfgContainer [2023-08-30 22:34:37,874 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-30 22:34:37,875 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-30 22:34:37,876 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-30 22:34:37,878 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-30 22:34:37,878 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.08 10:34:37" (1/3) ... [2023-08-30 22:34:37,879 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2adc5210 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 10:34:37, skipping insertion in model container [2023-08-30 22:34:37,879 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:34:37" (2/3) ... [2023-08-30 22:34:37,880 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2adc5210 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 10:34:37, skipping insertion in model container [2023-08-30 22:34:37,880 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 10:34:37" (3/3) ... [2023-08-30 22:34:37,881 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-difference-det.wvr.c [2023-08-30 22:34:37,887 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-30 22:34:37,894 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-30 22:34:37,895 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-08-30 22:34:37,895 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-30 22:34:37,952 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2023-08-30 22:34:37,962 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.IllegalArgumentException: No enum constant de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TraceAbstractionPreferenceInitializer.InsufficientError.DEFORE at java.base/java.lang.Enum.valueOf(Enum.java:240) at de.uni_freiburg.informatik.ultimate.core.preferences.RcpPreferenceProvider.getEnum(RcpPreferenceProvider.java:117) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TAPreferences.insufficientThreadErrorsVsProgramErrors(TAPreferences.java:218) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.partitionErrorLocations(TraceAbstractionStarter.java:394) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:280) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:225) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:173) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-08-30 22:34:37,966 INFO L158 Benchmark]: Toolchain (without parser) took 940.66ms. Allocated memory is still 69.2MB. Free memory was 41.1MB in the beginning and 29.5MB in the end (delta: 11.6MB). Peak memory consumption was 13.1MB. Max. memory is 16.1GB. [2023-08-30 22:34:37,967 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 56.6MB. Free memory was 34.5MB in the beginning and 34.4MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-08-30 22:34:37,967 INFO L158 Benchmark]: CACSL2BoogieTranslator took 204.68ms. Allocated memory is still 69.2MB. Free memory was 41.0MB in the beginning and 45.3MB in the end (delta: -4.4MB). Peak memory consumption was 8.9MB. Max. memory is 16.1GB. [2023-08-30 22:34:37,968 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.39ms. Allocated memory is still 69.2MB. Free memory was 45.3MB in the beginning and 43.5MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-30 22:34:37,969 INFO L158 Benchmark]: Boogie Preprocessor took 56.51ms. Allocated memory is still 69.2MB. Free memory was 43.5MB in the beginning and 42.0MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-30 22:34:37,969 INFO L158 Benchmark]: RCFGBuilder took 553.32ms. Allocated memory is still 69.2MB. Free memory was 42.0MB in the beginning and 40.6MB in the end (delta: 1.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-08-30 22:34:37,970 INFO L158 Benchmark]: TraceAbstraction took 89.00ms. Allocated memory is still 69.2MB. Free memory was 39.8MB in the beginning and 29.5MB in the end (delta: 10.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-08-30 22:34:37,973 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 56.6MB. Free memory was 34.5MB in the beginning and 34.4MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 204.68ms. Allocated memory is still 69.2MB. Free memory was 41.0MB in the beginning and 45.3MB in the end (delta: -4.4MB). Peak memory consumption was 8.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 32.39ms. Allocated memory is still 69.2MB. Free memory was 45.3MB in the beginning and 43.5MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 56.51ms. Allocated memory is still 69.2MB. Free memory was 43.5MB in the beginning and 42.0MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 553.32ms. Allocated memory is still 69.2MB. Free memory was 42.0MB in the beginning and 40.6MB in the end (delta: 1.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 89.00ms. Allocated memory is still 69.2MB. Free memory was 39.8MB in the beginning and 29.5MB in the end (delta: 10.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: IllegalArgumentException: No enum constant de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TraceAbstractionPreferenceInitializer.InsufficientError.DEFORE de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: IllegalArgumentException: No enum constant de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TraceAbstractionPreferenceInitializer.InsufficientError.DEFORE: java.base/java.lang.Enum.valueOf(Enum.java:240) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-08-30 22:34:37,992 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