./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/valid-memsafety.prp --file ../../../trunk/examples/svcomp/pthread-wmm/mix016.oepc.i --full-output --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations DEFORE --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version b8dbc81d Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../../../trunk/examples/svcomp/pthread-wmm/mix016.oepc.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 19a854e56177f3540c5827f949efdd83ec94b87c6cd0ec772115563b836c4c8b --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations DEFORE --- Real Ultimate output --- This is Ultimate 0.2.3-?-b8dbc81 [2023-08-30 01:50:33,223 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-30 01:50:33,225 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-30 01:50:33,259 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-30 01:50:33,260 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-30 01:50:33,263 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-30 01:50:33,265 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-30 01:50:33,268 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-30 01:50:33,270 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-30 01:50:33,275 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-30 01:50:33,276 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-30 01:50:33,278 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-30 01:50:33,279 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-30 01:50:33,281 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-30 01:50:33,283 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-30 01:50:33,287 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-30 01:50:33,288 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-30 01:50:33,290 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-30 01:50:33,292 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-30 01:50:33,297 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-30 01:50:33,299 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-30 01:50:33,300 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-30 01:50:33,309 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-30 01:50:33,311 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-30 01:50:33,317 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-30 01:50:33,318 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-30 01:50:33,318 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-30 01:50:33,320 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-30 01:50:33,322 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-30 01:50:33,323 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-30 01:50:33,323 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-30 01:50:33,325 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-30 01:50:33,326 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-30 01:50:33,327 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-30 01:50:33,328 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-30 01:50:33,328 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-30 01:50:33,329 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-30 01:50:33,329 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-30 01:50:33,330 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-30 01:50:33,330 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-30 01:50:33,331 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-30 01:50:33,333 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2023-08-30 01:50:33,372 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-30 01:50:33,373 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-30 01:50:33,374 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-30 01:50:33,374 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-30 01:50:33,375 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-30 01:50:33,375 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-30 01:50:33,376 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-30 01:50:33,376 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-30 01:50:33,376 INFO L138 SettingsManager]: * Use SBE=true [2023-08-30 01:50:33,376 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-30 01:50:33,377 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-30 01:50:33,377 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-30 01:50:33,378 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-30 01:50:33,378 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-30 01:50:33,378 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-30 01:50:33,378 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-08-30 01:50:33,378 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2023-08-30 01:50:33,379 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-08-30 01:50:33,379 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-30 01:50:33,379 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-08-30 01:50:33,379 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-30 01:50:33,379 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-30 01:50:33,380 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-30 01:50:33,380 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-30 01:50:33,380 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-30 01:50:33,380 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 01:50:33,380 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-30 01:50:33,381 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-30 01:50:33,381 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-30 01:50:33,381 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-30 01:50:33,381 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-30 01:50:33,381 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-30 01:50:33,382 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-30 01:50:33,382 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-30 01:50:33,382 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 19a854e56177f3540c5827f949efdd83ec94b87c6cd0ec772115563b836c4c8b Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> DEFORE [2023-08-30 01:50:33,683 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-30 01:50:33,701 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-30 01:50:33,704 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-30 01:50:33,705 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-30 01:50:33,705 INFO L275 PluginConnector]: CDTParser initialized [2023-08-30 01:50:33,707 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix016.oepc.i [2023-08-30 01:50:34,921 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-30 01:50:35,214 INFO L351 CDTParser]: Found 1 translation units. [2023-08-30 01:50:35,215 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix016.oepc.i [2023-08-30 01:50:35,231 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5c30d8991/71fae69636844b56993338ce4e9ce0e8/FLAGd76dd58ce [2023-08-30 01:50:35,250 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5c30d8991/71fae69636844b56993338ce4e9ce0e8 [2023-08-30 01:50:35,253 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-30 01:50:35,254 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-30 01:50:35,256 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-30 01:50:35,256 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-30 01:50:35,259 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-30 01:50:35,260 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 01:50:35" (1/1) ... [2023-08-30 01:50:35,261 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20e55597 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:50:35, skipping insertion in model container [2023-08-30 01:50:35,261 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 01:50:35" (1/1) ... [2023-08-30 01:50:35,267 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-30 01:50:35,327 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-30 01:50:35,464 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix016.oepc.i[945,958] [2023-08-30 01:50:35,654 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 01:50:35,664 INFO L203 MainTranslator]: Completed pre-run [2023-08-30 01:50:35,677 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix016.oepc.i[945,958] [2023-08-30 01:50:35,716 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 01:50:35,746 WARN L667 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 01:50:35,747 WARN L667 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 01:50:35,752 INFO L208 MainTranslator]: Completed translation [2023-08-30 01:50:35,753 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:50:35 WrapperNode [2023-08-30 01:50:35,753 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-30 01:50:35,754 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-30 01:50:35,755 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-30 01:50:35,755 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-30 01:50:35,761 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:50:35" (1/1) ... [2023-08-30 01:50:35,793 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:50:35" (1/1) ... [2023-08-30 01:50:35,824 INFO L138 Inliner]: procedures = 176, calls = 56, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 130 [2023-08-30 01:50:35,825 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-30 01:50:35,826 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-30 01:50:35,826 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-30 01:50:35,827 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-30 01:50:35,835 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:50:35" (1/1) ... [2023-08-30 01:50:35,835 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:50:35" (1/1) ... [2023-08-30 01:50:35,838 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:50:35" (1/1) ... [2023-08-30 01:50:35,838 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:50:35" (1/1) ... [2023-08-30 01:50:35,845 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:50:35" (1/1) ... [2023-08-30 01:50:35,853 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:50:35" (1/1) ... [2023-08-30 01:50:35,855 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:50:35" (1/1) ... [2023-08-30 01:50:35,856 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:50:35" (1/1) ... [2023-08-30 01:50:35,859 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-30 01:50:35,860 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-30 01:50:35,860 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-30 01:50:35,860 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-30 01:50:35,861 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:50:35" (1/1) ... [2023-08-30 01:50:35,866 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 01:50:35,877 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-30 01:50:35,898 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-08-30 01:50:35,925 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-08-30 01:50:35,941 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-30 01:50:35,942 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-08-30 01:50:35,942 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-30 01:50:35,942 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-30 01:50:35,943 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-30 01:50:35,944 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2023-08-30 01:50:35,944 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2023-08-30 01:50:35,944 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2023-08-30 01:50:35,944 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2023-08-30 01:50:35,945 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2023-08-30 01:50:35,945 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2023-08-30 01:50:35,945 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-30 01:50:35,945 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-08-30 01:50:35,945 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-30 01:50:35,945 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-30 01:50:35,947 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-08-30 01:50:36,157 INFO L236 CfgBuilder]: Building ICFG [2023-08-30 01:50:36,168 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-30 01:50:36,531 INFO L277 CfgBuilder]: Performing block encoding [2023-08-30 01:50:36,627 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-30 01:50:36,627 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-08-30 01:50:36,629 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 01:50:36 BoogieIcfgContainer [2023-08-30 01:50:36,629 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-30 01:50:36,631 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-30 01:50:36,631 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-30 01:50:36,634 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-30 01:50:36,634 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.08 01:50:35" (1/3) ... [2023-08-30 01:50:36,635 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@244430fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 01:50:36, skipping insertion in model container [2023-08-30 01:50:36,635 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:50:35" (2/3) ... [2023-08-30 01:50:36,635 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@244430fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 01:50:36, skipping insertion in model container [2023-08-30 01:50:36,636 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 01:50:36" (3/3) ... [2023-08-30 01:50:36,637 INFO L112 eAbstractionObserver]: Analyzing ICFG mix016.oepc.i [2023-08-30 01:50:36,652 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-30 01:50:36,652 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 9 error locations. [2023-08-30 01:50:36,652 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-30 01:50:36,721 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-08-30 01:50:36,728 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.IllegalArgumentException: No enum constant de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TraceAbstractionPreferenceInitializer.InsufficientError.DEFORE at java.base/java.lang.Enum.valueOf(Enum.java:240) at de.uni_freiburg.informatik.ultimate.core.preferences.RcpPreferenceProvider.getEnum(RcpPreferenceProvider.java:117) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TAPreferences.insufficientThreadErrorsVsProgramErrors(TAPreferences.java:218) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.partitionErrorLocations(TraceAbstractionStarter.java:394) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:280) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:225) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:173) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-08-30 01:50:36,734 INFO L158 Benchmark]: Toolchain (without parser) took 1478.95ms. Allocated memory was 71.3MB in the beginning and 86.0MB in the end (delta: 14.7MB). Free memory was 37.5MB in the beginning and 58.2MB in the end (delta: -20.6MB). Peak memory consumption was 11.9MB. Max. memory is 16.1GB. [2023-08-30 01:50:36,735 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 54.5MB. Free memory was 32.4MB in the beginning and 32.3MB in the end (delta: 48.3kB). There was no memory consumed. Max. memory is 16.1GB. [2023-08-30 01:50:36,736 INFO L158 Benchmark]: CACSL2BoogieTranslator took 497.46ms. Allocated memory is still 71.3MB. Free memory was 37.4MB in the beginning and 33.3MB in the end (delta: 4.0MB). Peak memory consumption was 7.5MB. Max. memory is 16.1GB. [2023-08-30 01:50:36,737 INFO L158 Benchmark]: Boogie Procedure Inliner took 70.55ms. Allocated memory is still 71.3MB. Free memory was 33.3MB in the beginning and 30.7MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-30 01:50:36,738 INFO L158 Benchmark]: Boogie Preprocessor took 33.20ms. Allocated memory is still 71.3MB. Free memory was 30.7MB in the beginning and 50.4MB in the end (delta: -19.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-08-30 01:50:36,739 INFO L158 Benchmark]: RCFGBuilder took 769.46ms. Allocated memory is still 71.3MB. Free memory was 50.4MB in the beginning and 34.7MB in the end (delta: 15.7MB). Peak memory consumption was 24.9MB. Max. memory is 16.1GB. [2023-08-30 01:50:36,740 INFO L158 Benchmark]: TraceAbstraction took 101.01ms. Allocated memory was 71.3MB in the beginning and 86.0MB in the end (delta: 14.7MB). Free memory was 33.9MB in the beginning and 58.2MB in the end (delta: -24.2MB). Peak memory consumption was 7.4MB. Max. memory is 16.1GB. [2023-08-30 01:50:36,748 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 54.5MB. Free memory was 32.4MB in the beginning and 32.3MB in the end (delta: 48.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 497.46ms. Allocated memory is still 71.3MB. Free memory was 37.4MB in the beginning and 33.3MB in the end (delta: 4.0MB). Peak memory consumption was 7.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 70.55ms. Allocated memory is still 71.3MB. Free memory was 33.3MB in the beginning and 30.7MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 33.20ms. Allocated memory is still 71.3MB. Free memory was 30.7MB in the beginning and 50.4MB in the end (delta: -19.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 769.46ms. Allocated memory is still 71.3MB. Free memory was 50.4MB in the beginning and 34.7MB in the end (delta: 15.7MB). Peak memory consumption was 24.9MB. Max. memory is 16.1GB. * TraceAbstraction took 101.01ms. Allocated memory was 71.3MB in the beginning and 86.0MB in the end (delta: 14.7MB). Free memory was 33.9MB in the beginning and 58.2MB in the end (delta: -24.2MB). Peak memory consumption was 7.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: IllegalArgumentException: No enum constant de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TraceAbstractionPreferenceInitializer.InsufficientError.DEFORE de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: IllegalArgumentException: No enum constant de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TraceAbstractionPreferenceInitializer.InsufficientError.DEFORE: java.base/java.lang.Enum.valueOf(Enum.java:240) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-08-30 01:50:36,772 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/AutomizerMemDerefMemtrack.xml -i ../../../trunk/examples/svcomp/pthread-wmm/mix016.oepc.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 19a854e56177f3540c5827f949efdd83ec94b87c6cd0ec772115563b836c4c8b --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations DEFORE --- Real Ultimate output --- This is Ultimate 0.2.3-?-b8dbc81 [2023-08-30 01:50:38,727 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-30 01:50:38,729 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-30 01:50:38,760 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-30 01:50:38,762 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-30 01:50:38,765 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-30 01:50:38,766 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-30 01:50:38,768 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-30 01:50:38,769 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-30 01:50:38,770 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-30 01:50:38,770 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-30 01:50:38,771 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-30 01:50:38,772 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-30 01:50:38,773 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-30 01:50:38,774 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-30 01:50:38,777 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-30 01:50:38,781 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-30 01:50:38,784 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-30 01:50:38,785 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-30 01:50:38,790 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-30 01:50:38,791 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-30 01:50:38,797 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-30 01:50:38,798 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-30 01:50:38,798 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-30 01:50:38,801 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-30 01:50:38,806 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-30 01:50:38,806 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-30 01:50:38,807 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-30 01:50:38,808 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-30 01:50:38,809 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-30 01:50:38,809 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-30 01:50:38,810 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-30 01:50:38,811 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-30 01:50:38,812 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-30 01:50:38,813 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-30 01:50:38,814 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-30 01:50:38,818 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-30 01:50:38,818 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-30 01:50:38,819 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-30 01:50:38,819 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-30 01:50:38,820 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-30 01:50:38,821 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2023-08-30 01:50:38,863 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-30 01:50:38,863 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-30 01:50:38,864 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-30 01:50:38,864 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-30 01:50:38,865 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-30 01:50:38,865 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-30 01:50:38,865 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-30 01:50:38,865 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-30 01:50:38,866 INFO L138 SettingsManager]: * Use SBE=true [2023-08-30 01:50:38,866 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-30 01:50:38,866 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-30 01:50:38,866 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-30 01:50:38,866 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-30 01:50:38,867 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-30 01:50:38,867 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-30 01:50:38,867 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-08-30 01:50:38,867 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2023-08-30 01:50:38,867 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-08-30 01:50:38,867 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-30 01:50:38,868 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-08-30 01:50:38,868 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2023-08-30 01:50:38,868 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-08-30 01:50:38,868 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-30 01:50:38,868 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-30 01:50:38,869 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-30 01:50:38,869 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-30 01:50:38,869 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-30 01:50:38,869 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 01:50:38,869 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-30 01:50:38,870 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-30 01:50:38,870 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2023-08-30 01:50:38,870 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-08-30 01:50:38,870 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-30 01:50:38,870 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-30 01:50:38,870 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-30 01:50:38,871 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2023-08-30 01:50:38,871 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-30 01:50:38,871 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 19a854e56177f3540c5827f949efdd83ec94b87c6cd0ec772115563b836c4c8b Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> DEFORE [2023-08-30 01:50:39,180 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-30 01:50:39,211 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-30 01:50:39,213 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-30 01:50:39,214 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-30 01:50:39,215 INFO L275 PluginConnector]: CDTParser initialized [2023-08-30 01:50:39,216 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix016.oepc.i [2023-08-30 01:50:40,461 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-30 01:50:40,768 INFO L351 CDTParser]: Found 1 translation units. [2023-08-30 01:50:40,772 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix016.oepc.i [2023-08-30 01:50:40,795 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/82af53707/186397ea597049088a1ba40847db822a/FLAG3eb366cd6 [2023-08-30 01:50:40,813 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/82af53707/186397ea597049088a1ba40847db822a [2023-08-30 01:50:40,817 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-30 01:50:40,818 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-30 01:50:40,821 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-30 01:50:40,821 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-30 01:50:40,824 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-30 01:50:40,824 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 01:50:40" (1/1) ... [2023-08-30 01:50:40,825 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@124c75df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:50:40, skipping insertion in model container [2023-08-30 01:50:40,825 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 01:50:40" (1/1) ... [2023-08-30 01:50:40,831 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-30 01:50:40,877 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-30 01:50:41,001 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix016.oepc.i[945,958] [2023-08-30 01:50:41,210 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 01:50:41,245 INFO L203 MainTranslator]: Completed pre-run [2023-08-30 01:50:41,256 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix016.oepc.i[945,958] [2023-08-30 01:50:41,305 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 01:50:41,333 WARN L667 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 01:50:41,334 WARN L667 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 01:50:41,339 INFO L208 MainTranslator]: Completed translation [2023-08-30 01:50:41,340 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:50:41 WrapperNode [2023-08-30 01:50:41,340 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-30 01:50:41,341 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-30 01:50:41,341 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-30 01:50:41,341 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-30 01:50:41,347 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:50:41" (1/1) ... [2023-08-30 01:50:41,372 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:50:41" (1/1) ... [2023-08-30 01:50:41,393 INFO L138 Inliner]: procedures = 179, calls = 56, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 131 [2023-08-30 01:50:41,394 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-30 01:50:41,395 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-30 01:50:41,395 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-30 01:50:41,395 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-30 01:50:41,403 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:50:41" (1/1) ... [2023-08-30 01:50:41,403 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:50:41" (1/1) ... [2023-08-30 01:50:41,408 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:50:41" (1/1) ... [2023-08-30 01:50:41,408 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:50:41" (1/1) ... [2023-08-30 01:50:41,417 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:50:41" (1/1) ... [2023-08-30 01:50:41,419 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:50:41" (1/1) ... [2023-08-30 01:50:41,421 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:50:41" (1/1) ... [2023-08-30 01:50:41,422 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:50:41" (1/1) ... [2023-08-30 01:50:41,426 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-30 01:50:41,427 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-30 01:50:41,427 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-30 01:50:41,427 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-30 01:50:41,428 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:50:41" (1/1) ... [2023-08-30 01:50:41,433 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 01:50:41,443 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-30 01:50:41,452 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-08-30 01:50:41,465 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-08-30 01:50:41,486 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-08-30 01:50:41,486 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-30 01:50:41,486 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-30 01:50:41,486 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-30 01:50:41,486 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-08-30 01:50:41,486 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-08-30 01:50:41,486 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2023-08-30 01:50:41,487 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2023-08-30 01:50:41,487 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2023-08-30 01:50:41,487 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2023-08-30 01:50:41,487 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2023-08-30 01:50:41,487 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2023-08-30 01:50:41,487 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-08-30 01:50:41,488 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-30 01:50:41,488 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-30 01:50:41,496 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-08-30 01:50:41,672 INFO L236 CfgBuilder]: Building ICFG [2023-08-30 01:50:41,677 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-30 01:50:42,100 INFO L277 CfgBuilder]: Performing block encoding [2023-08-30 01:50:42,223 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-30 01:50:42,223 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-08-30 01:50:42,225 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 01:50:42 BoogieIcfgContainer [2023-08-30 01:50:42,226 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-30 01:50:42,227 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-30 01:50:42,227 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-30 01:50:42,230 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-30 01:50:42,230 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.08 01:50:40" (1/3) ... [2023-08-30 01:50:42,231 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a1568fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 01:50:42, skipping insertion in model container [2023-08-30 01:50:42,231 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:50:41" (2/3) ... [2023-08-30 01:50:42,232 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a1568fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 01:50:42, skipping insertion in model container [2023-08-30 01:50:42,232 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 01:50:42" (3/3) ... [2023-08-30 01:50:42,233 INFO L112 eAbstractionObserver]: Analyzing ICFG mix016.oepc.i [2023-08-30 01:50:42,248 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-30 01:50:42,248 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 9 error locations. [2023-08-30 01:50:42,248 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-30 01:50:42,319 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-08-30 01:50:42,325 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.IllegalArgumentException: No enum constant de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TraceAbstractionPreferenceInitializer.InsufficientError.DEFORE at java.base/java.lang.Enum.valueOf(Enum.java:240) at de.uni_freiburg.informatik.ultimate.core.preferences.RcpPreferenceProvider.getEnum(RcpPreferenceProvider.java:117) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TAPreferences.insufficientThreadErrorsVsProgramErrors(TAPreferences.java:218) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.partitionErrorLocations(TraceAbstractionStarter.java:394) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:280) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:225) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:173) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-08-30 01:50:42,331 INFO L158 Benchmark]: Toolchain (without parser) took 1511.76ms. Allocated memory was 69.2MB in the beginning and 83.9MB in the end (delta: 14.7MB). Free memory was 45.2MB in the beginning and 58.2MB in the end (delta: -13.0MB). Peak memory consumption was 32.3MB. Max. memory is 16.1GB. [2023-08-30 01:50:42,331 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 54.5MB. Free memory was 32.8MB in the beginning and 32.8MB in the end (delta: 48.4kB). There was no memory consumed. Max. memory is 16.1GB. [2023-08-30 01:50:42,332 INFO L158 Benchmark]: CACSL2BoogieTranslator took 519.56ms. Allocated memory is still 69.2MB. Free memory was 45.0MB in the beginning and 38.1MB in the end (delta: 7.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-08-30 01:50:42,333 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.29ms. Allocated memory is still 69.2MB. Free memory was 37.9MB in the beginning and 35.5MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-30 01:50:42,333 INFO L158 Benchmark]: Boogie Preprocessor took 31.25ms. Allocated memory is still 69.2MB. Free memory was 35.5MB in the beginning and 33.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-30 01:50:42,334 INFO L158 Benchmark]: RCFGBuilder took 799.09ms. Allocated memory was 69.2MB in the beginning and 83.9MB in the end (delta: 14.7MB). Free memory was 33.4MB in the beginning and 45.7MB in the end (delta: -12.3MB). Peak memory consumption was 15.6MB. Max. memory is 16.1GB. [2023-08-30 01:50:42,335 INFO L158 Benchmark]: TraceAbstraction took 101.89ms. Allocated memory is still 83.9MB. Free memory was 44.8MB in the beginning and 58.2MB in the end (delta: -13.4MB). Peak memory consumption was 15.8MB. Max. memory is 16.1GB. [2023-08-30 01:50:42,343 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 54.5MB. Free memory was 32.8MB in the beginning and 32.8MB in the end (delta: 48.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 519.56ms. Allocated memory is still 69.2MB. Free memory was 45.0MB in the beginning and 38.1MB in the end (delta: 7.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 53.29ms. Allocated memory is still 69.2MB. Free memory was 37.9MB in the beginning and 35.5MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 31.25ms. Allocated memory is still 69.2MB. Free memory was 35.5MB in the beginning and 33.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 799.09ms. Allocated memory was 69.2MB in the beginning and 83.9MB in the end (delta: 14.7MB). Free memory was 33.4MB in the beginning and 45.7MB in the end (delta: -12.3MB). Peak memory consumption was 15.6MB. Max. memory is 16.1GB. * TraceAbstraction took 101.89ms. Allocated memory is still 83.9MB. Free memory was 44.8MB in the beginning and 58.2MB in the end (delta: -13.4MB). Peak memory consumption was 15.8MB. 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. [2023-08-30 01:50:42,368 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