./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/pthread-wmm/mix020.opt.i --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/pthread-wmm/mix020.opt.i -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 b3c17f675455332f72f7dc385a60a0aa293a9aeb1dd45189023ae89322443476 --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 22:21:43,987 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-30 22:21:43,989 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-30 22:21:44,013 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-30 22:21:44,014 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-30 22:21:44,015 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-30 22:21:44,016 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-30 22:21:44,017 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-30 22:21:44,019 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-30 22:21:44,019 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-30 22:21:44,020 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-30 22:21:44,021 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-30 22:21:44,022 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-30 22:21:44,028 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-30 22:21:44,029 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-30 22:21:44,032 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-30 22:21:44,035 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-30 22:21:44,035 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-30 22:21:44,037 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-30 22:21:44,038 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-30 22:21:44,046 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-30 22:21:44,048 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-30 22:21:44,049 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-30 22:21:44,049 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-30 22:21:44,052 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-30 22:21:44,056 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-30 22:21:44,057 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-30 22:21:44,058 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-30 22:21:44,058 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-30 22:21:44,059 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-30 22:21:44,059 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-30 22:21:44,061 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-30 22:21:44,062 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-30 22:21:44,063 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-30 22:21:44,063 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-30 22:21:44,064 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-30 22:21:44,064 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-30 22:21:44,064 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-30 22:21:44,065 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-30 22:21:44,065 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-30 22:21:44,066 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-30 22:21:44,067 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-08-30 22:21:44,087 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-30 22:21:44,088 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-30 22:21:44,089 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-30 22:21:44,089 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-30 22:21:44,090 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-30 22:21:44,090 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-30 22:21:44,091 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-30 22:21:44,091 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-30 22:21:44,092 INFO L138 SettingsManager]: * Use SBE=true [2023-08-30 22:21:44,092 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-30 22:21:44,093 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-30 22:21:44,093 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-30 22:21:44,093 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-30 22:21:44,093 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-30 22:21:44,093 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-30 22:21:44,094 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-30 22:21:44,094 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-30 22:21:44,094 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-30 22:21:44,094 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-30 22:21:44,094 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-30 22:21:44,095 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-30 22:21:44,095 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-30 22:21:44,095 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-30 22:21:44,095 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-30 22:21:44,095 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 22:21:44,096 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-30 22:21:44,096 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-30 22:21:44,096 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-30 22:21:44,096 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-30 22:21:44,096 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-30 22:21:44,097 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-30 22:21:44,097 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-30 22:21:44,097 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-30 22:21:44,097 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-30 22:21:44,097 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-30 22:21:44,098 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b3c17f675455332f72f7dc385a60a0aa293a9aeb1dd45189023ae89322443476 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> DEFORE [2023-08-30 22:21:44,411 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-30 22:21:44,433 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-30 22:21:44,435 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-30 22:21:44,435 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-30 22:21:44,436 INFO L275 PluginConnector]: CDTParser initialized [2023-08-30 22:21:44,437 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix020.opt.i [2023-08-30 22:21:45,519 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-30 22:21:45,759 INFO L351 CDTParser]: Found 1 translation units. [2023-08-30 22:21:45,759 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix020.opt.i [2023-08-30 22:21:45,774 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6a959f663/d1eabb9c37a14845b6ea4be21e0325c8/FLAG0990778ab [2023-08-30 22:21:45,787 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6a959f663/d1eabb9c37a14845b6ea4be21e0325c8 [2023-08-30 22:21:45,789 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-30 22:21:45,790 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-30 22:21:45,792 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-30 22:21:45,792 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-30 22:21:45,796 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-30 22:21:45,797 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 10:21:45" (1/1) ... [2023-08-30 22:21:45,798 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@13055346 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:21:45, skipping insertion in model container [2023-08-30 22:21:45,800 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 10:21:45" (1/1) ... [2023-08-30 22:21:45,806 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-30 22:21:45,864 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-30 22:21:46,040 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/mix020.opt.i[944,957] [2023-08-30 22:21:46,275 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 22:21:46,284 INFO L203 MainTranslator]: Completed pre-run [2023-08-30 22:21:46,297 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/mix020.opt.i[944,957] [2023-08-30 22:21:46,383 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 22:21:46,416 WARN L667 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 22:21:46,416 WARN L667 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 22:21:46,422 INFO L208 MainTranslator]: Completed translation [2023-08-30 22:21:46,423 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:21:46 WrapperNode [2023-08-30 22:21:46,423 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-30 22:21:46,424 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-30 22:21:46,424 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-30 22:21:46,424 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-30 22:21:46,431 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:21:46" (1/1) ... [2023-08-30 22:21:46,462 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:21:46" (1/1) ... [2023-08-30 22:21:46,502 INFO L138 Inliner]: procedures = 177, calls = 69, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 165 [2023-08-30 22:21:46,504 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-30 22:21:46,509 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-30 22:21:46,509 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-30 22:21:46,509 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-30 22:21:46,517 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:21:46" (1/1) ... [2023-08-30 22:21:46,517 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:21:46" (1/1) ... [2023-08-30 22:21:46,532 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:21:46" (1/1) ... [2023-08-30 22:21:46,532 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:21:46" (1/1) ... [2023-08-30 22:21:46,542 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:21:46" (1/1) ... [2023-08-30 22:21:46,553 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:21:46" (1/1) ... [2023-08-30 22:21:46,555 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:21:46" (1/1) ... [2023-08-30 22:21:46,560 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:21:46" (1/1) ... [2023-08-30 22:21:46,563 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-30 22:21:46,567 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-30 22:21:46,568 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-30 22:21:46,568 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-30 22:21:46,569 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:21:46" (1/1) ... [2023-08-30 22:21:46,574 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 22:21:46,585 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-30 22:21:46,597 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 22:21:46,629 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 22:21:46,643 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-30 22:21:46,644 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-08-30 22:21:46,644 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-30 22:21:46,645 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-30 22:21:46,645 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-30 22:21:46,645 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2023-08-30 22:21:46,645 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2023-08-30 22:21:46,646 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2023-08-30 22:21:46,646 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2023-08-30 22:21:46,646 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2023-08-30 22:21:46,646 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2023-08-30 22:21:46,646 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2023-08-30 22:21:46,646 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2023-08-30 22:21:46,646 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-30 22:21:46,647 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-08-30 22:21:46,647 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-30 22:21:46,647 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-30 22:21:46,648 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 22:21:46,838 INFO L236 CfgBuilder]: Building ICFG [2023-08-30 22:21:46,844 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-30 22:21:47,212 INFO L277 CfgBuilder]: Performing block encoding [2023-08-30 22:21:47,297 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-30 22:21:47,298 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-08-30 22:21:47,300 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 10:21:47 BoogieIcfgContainer [2023-08-30 22:21:47,300 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-30 22:21:47,301 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-30 22:21:47,302 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-30 22:21:47,304 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-30 22:21:47,305 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.08 10:21:45" (1/3) ... [2023-08-30 22:21:47,305 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@756a484b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 10:21:47, skipping insertion in model container [2023-08-30 22:21:47,305 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:21:46" (2/3) ... [2023-08-30 22:21:47,306 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@756a484b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 10:21:47, skipping insertion in model container [2023-08-30 22:21:47,306 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 10:21:47" (3/3) ... [2023-08-30 22:21:47,307 INFO L112 eAbstractionObserver]: Analyzing ICFG mix020.opt.i [2023-08-30 22:21:47,314 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-30 22:21:47,322 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-30 22:21:47,323 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2023-08-30 22:21:47,323 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-30 22:21:47,374 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-08-30 22:21:47,380 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 22:21:47,384 INFO L158 Benchmark]: Toolchain (without parser) took 1593.26ms. Allocated memory is still 79.7MB. Free memory was 57.9MB in the beginning and 50.3MB in the end (delta: 7.6MB). Peak memory consumption was 32.3MB. Max. memory is 16.1GB. [2023-08-30 22:21:47,385 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 65.0MB. Free memory is still 43.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-08-30 22:21:47,385 INFO L158 Benchmark]: CACSL2BoogieTranslator took 631.39ms. Allocated memory is still 79.7MB. Free memory was 57.7MB in the beginning and 52.9MB in the end (delta: 4.8MB). Peak memory consumption was 24.0MB. Max. memory is 16.1GB. [2023-08-30 22:21:47,386 INFO L158 Benchmark]: Boogie Procedure Inliner took 80.44ms. Allocated memory is still 79.7MB. Free memory was 52.9MB in the beginning and 50.4MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-30 22:21:47,386 INFO L158 Benchmark]: Boogie Preprocessor took 57.78ms. Allocated memory is still 79.7MB. Free memory was 50.3MB in the beginning and 48.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-30 22:21:47,387 INFO L158 Benchmark]: RCFGBuilder took 732.87ms. Allocated memory is still 79.7MB. Free memory was 48.1MB in the beginning and 35.3MB in the end (delta: 12.8MB). Peak memory consumption was 19.9MB. Max. memory is 16.1GB. [2023-08-30 22:21:47,387 INFO L158 Benchmark]: TraceAbstraction took 81.40ms. Allocated memory is still 79.7MB. Free memory was 34.5MB in the beginning and 50.3MB in the end (delta: -15.9MB). Peak memory consumption was 9.3MB. Max. memory is 16.1GB. [2023-08-30 22:21:47,390 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 65.0MB. Free memory is still 43.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 631.39ms. Allocated memory is still 79.7MB. Free memory was 57.7MB in the beginning and 52.9MB in the end (delta: 4.8MB). Peak memory consumption was 24.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 80.44ms. Allocated memory is still 79.7MB. Free memory was 52.9MB in the beginning and 50.4MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 57.78ms. Allocated memory is still 79.7MB. Free memory was 50.3MB in the beginning and 48.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 732.87ms. Allocated memory is still 79.7MB. Free memory was 48.1MB in the beginning and 35.3MB in the end (delta: 12.8MB). Peak memory consumption was 19.9MB. Max. memory is 16.1GB. * TraceAbstraction took 81.40ms. Allocated memory is still 79.7MB. Free memory was 34.5MB in the beginning and 50.3MB in the end (delta: -15.9MB). Peak memory consumption was 9.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: IllegalArgumentException: No enum constant de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TraceAbstractionPreferenceInitializer.InsufficientError.DEFORE de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: IllegalArgumentException: No enum constant de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TraceAbstractionPreferenceInitializer.InsufficientError.DEFORE: java.base/java.lang.Enum.valueOf(Enum.java:240) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-08-30 22:21:47,408 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/pthread-wmm/mix020.opt.i -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 b3c17f675455332f72f7dc385a60a0aa293a9aeb1dd45189023ae89322443476 --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 22:21:49,279 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-30 22:21:49,282 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-30 22:21:49,315 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-30 22:21:49,315 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-30 22:21:49,318 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-30 22:21:49,320 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-30 22:21:49,323 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-30 22:21:49,325 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-30 22:21:49,329 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-30 22:21:49,330 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-30 22:21:49,333 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-30 22:21:49,333 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-30 22:21:49,335 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-30 22:21:49,337 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-30 22:21:49,342 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-30 22:21:49,343 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-30 22:21:49,344 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-30 22:21:49,346 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-30 22:21:49,350 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-30 22:21:49,358 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-30 22:21:49,359 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-30 22:21:49,360 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-30 22:21:49,361 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-30 22:21:49,368 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-30 22:21:49,368 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-30 22:21:49,368 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-30 22:21:49,370 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-30 22:21:49,371 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-30 22:21:49,372 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-30 22:21:49,372 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-30 22:21:49,373 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-30 22:21:49,375 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-30 22:21:49,376 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-30 22:21:49,377 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-30 22:21:49,377 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-30 22:21:49,378 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-30 22:21:49,378 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-30 22:21:49,378 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-30 22:21:49,379 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-30 22:21:49,379 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-30 22:21:49,381 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-08-30 22:21:49,421 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-30 22:21:49,421 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-30 22:21:49,422 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-30 22:21:49,422 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-30 22:21:49,423 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-30 22:21:49,423 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-30 22:21:49,424 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-30 22:21:49,424 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-30 22:21:49,424 INFO L138 SettingsManager]: * Use SBE=true [2023-08-30 22:21:49,424 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-30 22:21:49,425 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-30 22:21:49,425 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-30 22:21:49,426 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-30 22:21:49,426 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-30 22:21:49,426 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-30 22:21:49,426 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-30 22:21:49,426 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-08-30 22:21:49,426 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2023-08-30 22:21:49,427 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-08-30 22:21:49,427 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-30 22:21:49,427 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-30 22:21:49,427 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-30 22:21:49,427 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-30 22:21:49,428 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-30 22:21:49,428 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-30 22:21:49,428 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-30 22:21:49,428 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 22:21:49,428 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-30 22:21:49,429 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-30 22:21:49,429 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-30 22:21:49,429 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2023-08-30 22:21:49,429 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-08-30 22:21:49,430 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-30 22:21:49,430 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-30 22:21:49,430 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-30 22:21:49,430 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-30 22:21:49,430 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2023-08-30 22:21:49,430 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-30 22:21:49,431 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b3c17f675455332f72f7dc385a60a0aa293a9aeb1dd45189023ae89322443476 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> DEFORE [2023-08-30 22:21:49,709 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-30 22:21:49,726 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-30 22:21:49,729 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-30 22:21:49,730 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-30 22:21:49,730 INFO L275 PluginConnector]: CDTParser initialized [2023-08-30 22:21:49,732 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix020.opt.i [2023-08-30 22:21:50,800 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-30 22:21:51,062 INFO L351 CDTParser]: Found 1 translation units. [2023-08-30 22:21:51,063 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix020.opt.i [2023-08-30 22:21:51,080 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/990bc6f4b/e2f5cb165ee6437f98cfd972071bb2b4/FLAG157ab8901 [2023-08-30 22:21:51,092 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/990bc6f4b/e2f5cb165ee6437f98cfd972071bb2b4 [2023-08-30 22:21:51,094 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-30 22:21:51,095 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-30 22:21:51,097 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-30 22:21:51,097 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-30 22:21:51,110 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-30 22:21:51,111 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 10:21:51" (1/1) ... [2023-08-30 22:21:51,112 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1441d576 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:21:51, skipping insertion in model container [2023-08-30 22:21:51,112 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 10:21:51" (1/1) ... [2023-08-30 22:21:51,117 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-30 22:21:51,167 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-30 22:21:51,297 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/mix020.opt.i[944,957] [2023-08-30 22:21:51,511 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 22:21:51,528 INFO L203 MainTranslator]: Completed pre-run [2023-08-30 22:21:51,544 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/mix020.opt.i[944,957] [2023-08-30 22:21:51,607 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 22:21:51,659 WARN L667 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 22:21:51,659 WARN L667 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 22:21:51,665 INFO L208 MainTranslator]: Completed translation [2023-08-30 22:21:51,666 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:21:51 WrapperNode [2023-08-30 22:21:51,666 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-30 22:21:51,667 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-30 22:21:51,667 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-30 22:21:51,667 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-30 22:21:51,673 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:21:51" (1/1) ... [2023-08-30 22:21:51,706 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:21:51" (1/1) ... [2023-08-30 22:21:51,748 INFO L138 Inliner]: procedures = 180, calls = 69, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 166 [2023-08-30 22:21:51,748 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-30 22:21:51,749 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-30 22:21:51,750 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-30 22:21:51,750 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-30 22:21:51,758 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:21:51" (1/1) ... [2023-08-30 22:21:51,758 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:21:51" (1/1) ... [2023-08-30 22:21:51,770 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:21:51" (1/1) ... [2023-08-30 22:21:51,774 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:21:51" (1/1) ... [2023-08-30 22:21:51,783 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:21:51" (1/1) ... [2023-08-30 22:21:51,788 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:21:51" (1/1) ... [2023-08-30 22:21:51,797 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:21:51" (1/1) ... [2023-08-30 22:21:51,809 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:21:51" (1/1) ... [2023-08-30 22:21:51,813 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-30 22:21:51,817 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-30 22:21:51,818 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-30 22:21:51,818 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-30 22:21:51,819 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:21:51" (1/1) ... [2023-08-30 22:21:51,824 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 22:21:51,834 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-30 22:21:51,845 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 22:21:51,863 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 22:21:51,883 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-08-30 22:21:51,883 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-30 22:21:51,883 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-30 22:21:51,883 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-30 22:21:51,884 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-08-30 22:21:51,884 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-08-30 22:21:51,884 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2023-08-30 22:21:51,884 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2023-08-30 22:21:51,884 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2023-08-30 22:21:51,884 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2023-08-30 22:21:51,884 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2023-08-30 22:21:51,885 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2023-08-30 22:21:51,885 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2023-08-30 22:21:51,885 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2023-08-30 22:21:51,885 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-08-30 22:21:51,885 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-30 22:21:51,886 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-30 22:21:51,887 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 22:21:52,115 INFO L236 CfgBuilder]: Building ICFG [2023-08-30 22:21:52,119 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-30 22:21:52,485 INFO L277 CfgBuilder]: Performing block encoding [2023-08-30 22:21:52,687 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-30 22:21:52,687 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-08-30 22:21:52,689 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 10:21:52 BoogieIcfgContainer [2023-08-30 22:21:52,690 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-30 22:21:52,691 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-30 22:21:52,691 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-30 22:21:52,694 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-30 22:21:52,694 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.08 10:21:51" (1/3) ... [2023-08-30 22:21:52,695 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a89af3e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 10:21:52, skipping insertion in model container [2023-08-30 22:21:52,695 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:21:51" (2/3) ... [2023-08-30 22:21:52,695 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a89af3e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 10:21:52, skipping insertion in model container [2023-08-30 22:21:52,695 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 10:21:52" (3/3) ... [2023-08-30 22:21:52,697 INFO L112 eAbstractionObserver]: Analyzing ICFG mix020.opt.i [2023-08-30 22:21:52,718 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-30 22:21:52,726 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-30 22:21:52,727 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2023-08-30 22:21:52,727 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-30 22:21:52,796 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-08-30 22:21:52,805 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 22:21:52,811 INFO L158 Benchmark]: Toolchain (without parser) took 1714.58ms. Allocated memory is still 90.2MB. Free memory was 66.9MB in the beginning and 50.3MB in the end (delta: 16.6MB). Peak memory consumption was 17.9MB. Max. memory is 16.1GB. [2023-08-30 22:21:52,811 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 71.3MB. Free memory is still 49.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-08-30 22:21:52,812 INFO L158 Benchmark]: CACSL2BoogieTranslator took 569.21ms. Allocated memory is still 90.2MB. Free memory was 66.7MB in the beginning and 63.4MB in the end (delta: 3.3MB). Peak memory consumption was 26.6MB. Max. memory is 16.1GB. [2023-08-30 22:21:52,812 INFO L158 Benchmark]: Boogie Procedure Inliner took 81.70ms. Allocated memory is still 90.2MB. Free memory was 63.4MB in the beginning and 60.9MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-30 22:21:52,814 INFO L158 Benchmark]: Boogie Preprocessor took 67.66ms. Allocated memory is still 90.2MB. Free memory was 60.9MB in the beginning and 58.4MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-30 22:21:52,815 INFO L158 Benchmark]: RCFGBuilder took 872.27ms. Allocated memory is still 90.2MB. Free memory was 58.4MB in the beginning and 63.9MB in the end (delta: -5.5MB). Peak memory consumption was 26.9MB. Max. memory is 16.1GB. [2023-08-30 22:21:52,815 INFO L158 Benchmark]: TraceAbstraction took 118.26ms. Allocated memory is still 90.2MB. Free memory was 63.4MB in the beginning and 50.3MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-08-30 22:21:52,822 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 71.3MB. Free memory is still 49.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 569.21ms. Allocated memory is still 90.2MB. Free memory was 66.7MB in the beginning and 63.4MB in the end (delta: 3.3MB). Peak memory consumption was 26.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 81.70ms. Allocated memory is still 90.2MB. Free memory was 63.4MB in the beginning and 60.9MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 67.66ms. Allocated memory is still 90.2MB. Free memory was 60.9MB in the beginning and 58.4MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 872.27ms. Allocated memory is still 90.2MB. Free memory was 58.4MB in the beginning and 63.9MB in the end (delta: -5.5MB). Peak memory consumption was 26.9MB. Max. memory is 16.1GB. * TraceAbstraction took 118.26ms. Allocated memory is still 90.2MB. Free memory was 63.4MB in the beginning and 50.3MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. 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 22:21:52,851 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