./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/pthread-wmm/rfi005.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/rfi005.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 0f51f8e84e29dbf7268818c0bd5364f23c52e80cf2778700bc9afe3da3c44b42 --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 22:24:12,230 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-30 22:24:12,232 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-30 22:24:12,274 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-30 22:24:12,277 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-30 22:24:12,279 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-30 22:24:12,281 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-30 22:24:12,284 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-30 22:24:12,286 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-30 22:24:12,290 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-30 22:24:12,291 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-30 22:24:12,293 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-30 22:24:12,294 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-30 22:24:12,295 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-30 22:24:12,296 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-30 22:24:12,301 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-30 22:24:12,302 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-30 22:24:12,302 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-30 22:24:12,303 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-30 22:24:12,305 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-30 22:24:12,318 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-30 22:24:12,319 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-30 22:24:12,320 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-30 22:24:12,321 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-30 22:24:12,326 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-30 22:24:12,329 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-30 22:24:12,329 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-30 22:24:12,330 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-30 22:24:12,331 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-30 22:24:12,332 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-30 22:24:12,333 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-30 22:24:12,335 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-30 22:24:12,336 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-30 22:24:12,337 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-30 22:24:12,338 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-30 22:24:12,339 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-30 22:24:12,339 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-30 22:24:12,340 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-30 22:24:12,340 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-30 22:24:12,340 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-30 22:24:12,341 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-30 22:24:12,343 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-08-30 22:24:12,365 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-30 22:24:12,366 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-30 22:24:12,367 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-30 22:24:12,367 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-30 22:24:12,368 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-30 22:24:12,368 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-30 22:24:12,368 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-30 22:24:12,369 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-30 22:24:12,369 INFO L138 SettingsManager]: * Use SBE=true [2023-08-30 22:24:12,369 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-30 22:24:12,369 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-30 22:24:12,369 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-30 22:24:12,369 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-30 22:24:12,369 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-30 22:24:12,370 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-30 22:24:12,370 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-30 22:24:12,370 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-30 22:24:12,370 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-30 22:24:12,370 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-30 22:24:12,370 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-30 22:24:12,370 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-30 22:24:12,370 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-30 22:24:12,371 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-30 22:24:12,371 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-30 22:24:12,371 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 22:24:12,371 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-30 22:24:12,371 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-30 22:24:12,371 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-30 22:24:12,371 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-30 22:24:12,371 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-30 22:24:12,371 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-30 22:24:12,372 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-30 22:24:12,372 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-30 22:24:12,372 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-30 22:24:12,372 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-30 22:24:12,372 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0f51f8e84e29dbf7268818c0bd5364f23c52e80cf2778700bc9afe3da3c44b42 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> DEFORE [2023-08-30 22:24:12,634 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-30 22:24:12,660 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-30 22:24:12,662 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-30 22:24:12,664 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-30 22:24:12,664 INFO L275 PluginConnector]: CDTParser initialized [2023-08-30 22:24:12,665 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/rfi005.i [2023-08-30 22:24:13,750 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-30 22:24:14,016 INFO L351 CDTParser]: Found 1 translation units. [2023-08-30 22:24:14,016 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/rfi005.i [2023-08-30 22:24:14,031 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4950da8d2/80a7e0d18b7249f3b13637de23a4139a/FLAG76c9cf15e [2023-08-30 22:24:14,042 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4950da8d2/80a7e0d18b7249f3b13637de23a4139a [2023-08-30 22:24:14,045 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-30 22:24:14,046 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-30 22:24:14,047 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-30 22:24:14,047 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-30 22:24:14,054 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-30 22:24:14,054 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 10:24:14" (1/1) ... [2023-08-30 22:24:14,057 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@45413c20 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:24:14, skipping insertion in model container [2023-08-30 22:24:14,057 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 10:24:14" (1/1) ... [2023-08-30 22:24:14,064 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-30 22:24:14,125 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-30 22:24:14,294 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/rfi005.i[983,996] [2023-08-30 22:24:14,524 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 22:24:14,537 INFO L203 MainTranslator]: Completed pre-run [2023-08-30 22:24:14,548 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/rfi005.i[983,996] [2023-08-30 22:24:14,651 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 22:24:14,687 WARN L667 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 22:24:14,688 WARN L667 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 22:24:14,693 INFO L208 MainTranslator]: Completed translation [2023-08-30 22:24:14,694 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:24:14 WrapperNode [2023-08-30 22:24:14,694 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-30 22:24:14,695 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-30 22:24:14,695 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-30 22:24:14,695 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-30 22:24:14,701 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:24:14" (1/1) ... [2023-08-30 22:24:14,714 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:24:14" (1/1) ... [2023-08-30 22:24:14,739 INFO L138 Inliner]: procedures = 175, calls = 48, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 168 [2023-08-30 22:24:14,740 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-30 22:24:14,740 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-30 22:24:14,741 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-30 22:24:14,741 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-30 22:24:14,748 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:24:14" (1/1) ... [2023-08-30 22:24:14,748 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:24:14" (1/1) ... [2023-08-30 22:24:14,751 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:24:14" (1/1) ... [2023-08-30 22:24:14,752 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:24:14" (1/1) ... [2023-08-30 22:24:14,758 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:24:14" (1/1) ... [2023-08-30 22:24:14,760 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:24:14" (1/1) ... [2023-08-30 22:24:14,762 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:24:14" (1/1) ... [2023-08-30 22:24:14,768 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:24:14" (1/1) ... [2023-08-30 22:24:14,771 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-30 22:24:14,772 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-30 22:24:14,772 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-30 22:24:14,772 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-30 22:24:14,773 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:24:14" (1/1) ... [2023-08-30 22:24:14,793 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 22:24:14,801 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-30 22:24:14,811 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 22:24:14,813 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 22:24:14,840 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-30 22:24:14,840 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-08-30 22:24:14,840 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-30 22:24:14,840 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-30 22:24:14,840 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-30 22:24:14,840 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2023-08-30 22:24:14,841 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2023-08-30 22:24:14,841 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2023-08-30 22:24:14,841 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2023-08-30 22:24:14,841 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-30 22:24:14,841 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-08-30 22:24:14,841 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-30 22:24:14,841 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-30 22:24:14,843 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 22:24:14,996 INFO L236 CfgBuilder]: Building ICFG [2023-08-30 22:24:14,998 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-30 22:24:15,395 INFO L277 CfgBuilder]: Performing block encoding [2023-08-30 22:24:15,546 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-30 22:24:15,546 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-08-30 22:24:15,548 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 10:24:15 BoogieIcfgContainer [2023-08-30 22:24:15,548 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-30 22:24:15,551 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-30 22:24:15,552 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-30 22:24:15,554 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-30 22:24:15,555 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.08 10:24:14" (1/3) ... [2023-08-30 22:24:15,555 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42680683 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 10:24:15, skipping insertion in model container [2023-08-30 22:24:15,555 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:24:14" (2/3) ... [2023-08-30 22:24:15,556 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42680683 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 10:24:15, skipping insertion in model container [2023-08-30 22:24:15,556 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 10:24:15" (3/3) ... [2023-08-30 22:24:15,557 INFO L112 eAbstractionObserver]: Analyzing ICFG rfi005.i [2023-08-30 22:24:15,564 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-30 22:24:15,572 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-30 22:24:15,572 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2023-08-30 22:24:15,572 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-30 22:24:15,618 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-08-30 22:24:15,626 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 22:24:15,631 INFO L158 Benchmark]: Toolchain (without parser) took 1583.71ms. Allocated memory is still 94.4MB. Free memory was 70.7MB in the beginning and 41.7MB in the end (delta: 29.0MB). Peak memory consumption was 32.1MB. Max. memory is 16.1GB. [2023-08-30 22:24:15,631 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 62.9MB. Free memory was 40.8MB in the beginning and 40.7MB in the end (delta: 58.8kB). There was no memory consumed. Max. memory is 16.1GB. [2023-08-30 22:24:15,632 INFO L158 Benchmark]: CACSL2BoogieTranslator took 647.33ms. Allocated memory is still 94.4MB. Free memory was 70.5MB in the beginning and 67.2MB in the end (delta: 3.2MB). Peak memory consumption was 24.4MB. Max. memory is 16.1GB. [2023-08-30 22:24:15,633 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.11ms. Allocated memory is still 94.4MB. Free memory was 67.2MB in the beginning and 64.1MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-08-30 22:24:15,634 INFO L158 Benchmark]: Boogie Preprocessor took 31.10ms. Allocated memory is still 94.4MB. Free memory was 64.1MB in the beginning and 62.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-30 22:24:15,634 INFO L158 Benchmark]: RCFGBuilder took 776.07ms. Allocated memory is still 94.4MB. Free memory was 62.0MB in the beginning and 52.2MB in the end (delta: 9.8MB). Peak memory consumption was 32.8MB. Max. memory is 16.1GB. [2023-08-30 22:24:15,635 INFO L158 Benchmark]: TraceAbstraction took 77.42ms. Allocated memory is still 94.4MB. Free memory was 51.1MB in the beginning and 41.7MB in the end (delta: 9.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-08-30 22:24:15,643 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 62.9MB. Free memory was 40.8MB in the beginning and 40.7MB in the end (delta: 58.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 647.33ms. Allocated memory is still 94.4MB. Free memory was 70.5MB in the beginning and 67.2MB in the end (delta: 3.2MB). Peak memory consumption was 24.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.11ms. Allocated memory is still 94.4MB. Free memory was 67.2MB in the beginning and 64.1MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 31.10ms. Allocated memory is still 94.4MB. Free memory was 64.1MB in the beginning and 62.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 776.07ms. Allocated memory is still 94.4MB. Free memory was 62.0MB in the beginning and 52.2MB in the end (delta: 9.8MB). Peak memory consumption was 32.8MB. Max. memory is 16.1GB. * TraceAbstraction took 77.42ms. Allocated memory is still 94.4MB. Free memory was 51.1MB in the beginning and 41.7MB in the end (delta: 9.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: IllegalArgumentException: No enum constant de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TraceAbstractionPreferenceInitializer.InsufficientError.DEFORE de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: IllegalArgumentException: No enum constant de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TraceAbstractionPreferenceInitializer.InsufficientError.DEFORE: java.base/java.lang.Enum.valueOf(Enum.java:240) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-08-30 22:24:15,666 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/rfi005.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 0f51f8e84e29dbf7268818c0bd5364f23c52e80cf2778700bc9afe3da3c44b42 --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 22:24:17,543 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-30 22:24:17,545 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-30 22:24:17,586 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-30 22:24:17,586 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-30 22:24:17,589 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-30 22:24:17,591 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-30 22:24:17,594 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-30 22:24:17,596 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-30 22:24:17,600 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-30 22:24:17,601 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-30 22:24:17,603 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-30 22:24:17,603 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-30 22:24:17,605 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-30 22:24:17,606 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-30 22:24:17,611 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-30 22:24:17,612 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-30 22:24:17,613 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-30 22:24:17,615 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-30 22:24:17,619 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-30 22:24:17,629 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-30 22:24:17,630 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-30 22:24:17,631 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-30 22:24:17,632 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-30 22:24:17,638 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-30 22:24:17,638 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-30 22:24:17,638 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-30 22:24:17,640 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-30 22:24:17,640 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-30 22:24:17,641 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-30 22:24:17,641 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-30 22:24:17,643 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-30 22:24:17,644 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-30 22:24:17,645 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-30 22:24:17,646 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-30 22:24:17,646 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-30 22:24:17,647 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-30 22:24:17,647 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-30 22:24:17,647 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-30 22:24:17,648 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-30 22:24:17,648 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-30 22:24:17,650 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-08-30 22:24:17,682 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-30 22:24:17,683 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-30 22:24:17,684 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-30 22:24:17,684 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-30 22:24:17,685 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-30 22:24:17,685 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-30 22:24:17,685 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-30 22:24:17,686 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-30 22:24:17,686 INFO L138 SettingsManager]: * Use SBE=true [2023-08-30 22:24:17,686 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-30 22:24:17,687 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-30 22:24:17,687 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-30 22:24:17,687 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-30 22:24:17,687 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-30 22:24:17,687 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-30 22:24:17,687 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-30 22:24:17,687 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-08-30 22:24:17,688 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2023-08-30 22:24:17,688 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-08-30 22:24:17,688 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-30 22:24:17,688 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-30 22:24:17,688 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-30 22:24:17,688 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-30 22:24:17,689 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-30 22:24:17,689 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-30 22:24:17,689 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-30 22:24:17,689 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 22:24:17,689 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-30 22:24:17,689 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-30 22:24:17,690 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-30 22:24:17,690 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2023-08-30 22:24:17,690 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-08-30 22:24:17,690 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-30 22:24:17,690 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-30 22:24:17,690 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-30 22:24:17,691 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-30 22:24:17,691 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2023-08-30 22:24:17,691 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-30 22:24:17,691 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0f51f8e84e29dbf7268818c0bd5364f23c52e80cf2778700bc9afe3da3c44b42 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> DEFORE [2023-08-30 22:24:17,994 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-30 22:24:18,021 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-30 22:24:18,024 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-30 22:24:18,025 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-30 22:24:18,025 INFO L275 PluginConnector]: CDTParser initialized [2023-08-30 22:24:18,027 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/rfi005.i [2023-08-30 22:24:19,185 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-30 22:24:19,477 INFO L351 CDTParser]: Found 1 translation units. [2023-08-30 22:24:19,478 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/rfi005.i [2023-08-30 22:24:19,499 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9be3e982b/cd5d5cac9fe541e38794e12743c42ee9/FLAG3f73f392e [2023-08-30 22:24:19,521 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9be3e982b/cd5d5cac9fe541e38794e12743c42ee9 [2023-08-30 22:24:19,524 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-30 22:24:19,525 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-30 22:24:19,528 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-30 22:24:19,528 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-30 22:24:19,530 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-30 22:24:19,532 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 10:24:19" (1/1) ... [2023-08-30 22:24:19,533 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44ec284e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:24:19, skipping insertion in model container [2023-08-30 22:24:19,533 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 10:24:19" (1/1) ... [2023-08-30 22:24:19,539 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-30 22:24:19,584 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-30 22:24:19,706 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/rfi005.i[983,996] [2023-08-30 22:24:19,875 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 22:24:19,887 INFO L203 MainTranslator]: Completed pre-run [2023-08-30 22:24:19,897 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/rfi005.i[983,996] [2023-08-30 22:24:19,936 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 22:24:19,967 WARN L667 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 22:24:19,967 WARN L667 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 22:24:19,973 INFO L208 MainTranslator]: Completed translation [2023-08-30 22:24:19,974 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:24:19 WrapperNode [2023-08-30 22:24:19,974 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-30 22:24:19,975 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-30 22:24:19,975 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-30 22:24:19,975 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-30 22:24:19,981 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:24:19" (1/1) ... [2023-08-30 22:24:19,997 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:24:19" (1/1) ... [2023-08-30 22:24:20,021 INFO L138 Inliner]: procedures = 178, calls = 48, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 169 [2023-08-30 22:24:20,021 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-30 22:24:20,022 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-30 22:24:20,022 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-30 22:24:20,022 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-30 22:24:20,030 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:24:19" (1/1) ... [2023-08-30 22:24:20,030 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:24:19" (1/1) ... [2023-08-30 22:24:20,036 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:24:19" (1/1) ... [2023-08-30 22:24:20,037 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:24:19" (1/1) ... [2023-08-30 22:24:20,047 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:24:19" (1/1) ... [2023-08-30 22:24:20,049 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:24:19" (1/1) ... [2023-08-30 22:24:20,052 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:24:19" (1/1) ... [2023-08-30 22:24:20,058 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:24:19" (1/1) ... [2023-08-30 22:24:20,062 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-30 22:24:20,063 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-30 22:24:20,063 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-30 22:24:20,063 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-30 22:24:20,063 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:24:19" (1/1) ... [2023-08-30 22:24:20,071 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 22:24:20,083 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-30 22:24:20,095 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 22:24:20,100 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 22:24:20,121 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-08-30 22:24:20,121 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-30 22:24:20,121 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-30 22:24:20,121 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-30 22:24:20,122 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-08-30 22:24:20,122 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-08-30 22:24:20,122 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2023-08-30 22:24:20,122 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2023-08-30 22:24:20,122 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2023-08-30 22:24:20,122 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2023-08-30 22:24:20,122 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-08-30 22:24:20,122 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-30 22:24:20,122 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-30 22:24:20,123 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 22:24:20,249 INFO L236 CfgBuilder]: Building ICFG [2023-08-30 22:24:20,250 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-30 22:24:20,643 INFO L277 CfgBuilder]: Performing block encoding [2023-08-30 22:24:20,806 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-30 22:24:20,806 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-08-30 22:24:20,808 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 10:24:20 BoogieIcfgContainer [2023-08-30 22:24:20,808 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-30 22:24:20,811 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-30 22:24:20,811 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-30 22:24:20,813 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-30 22:24:20,814 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.08 10:24:19" (1/3) ... [2023-08-30 22:24:20,814 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57f26b48 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 10:24:20, skipping insertion in model container [2023-08-30 22:24:20,814 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:24:19" (2/3) ... [2023-08-30 22:24:20,815 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57f26b48 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 10:24:20, skipping insertion in model container [2023-08-30 22:24:20,815 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 10:24:20" (3/3) ... [2023-08-30 22:24:20,816 INFO L112 eAbstractionObserver]: Analyzing ICFG rfi005.i [2023-08-30 22:24:20,823 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-30 22:24:20,835 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-30 22:24:20,836 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2023-08-30 22:24:20,837 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-30 22:24:20,896 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-08-30 22:24:20,902 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 22:24:20,907 INFO L158 Benchmark]: Toolchain (without parser) took 1380.97ms. Allocated memory was 73.4MB in the beginning and 94.4MB in the end (delta: 21.0MB). Free memory was 48.8MB in the beginning and 60.7MB in the end (delta: -11.9MB). Peak memory consumption was 24.6MB. Max. memory is 16.1GB. [2023-08-30 22:24:20,907 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 60.8MB. Free memory is still 38.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-08-30 22:24:20,908 INFO L158 Benchmark]: CACSL2BoogieTranslator took 446.55ms. Allocated memory is still 73.4MB. Free memory was 48.6MB in the beginning and 40.2MB in the end (delta: 8.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-08-30 22:24:20,908 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.71ms. Allocated memory is still 73.4MB. Free memory was 40.2MB in the beginning and 37.5MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-30 22:24:20,909 INFO L158 Benchmark]: Boogie Preprocessor took 40.00ms. Allocated memory is still 73.4MB. Free memory was 37.1MB in the beginning and 35.0MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-30 22:24:20,910 INFO L158 Benchmark]: RCFGBuilder took 745.96ms. Allocated memory is still 73.4MB. Free memory was 34.8MB in the beginning and 27.2MB in the end (delta: 7.6MB). Peak memory consumption was 16.0MB. Max. memory is 16.1GB. [2023-08-30 22:24:20,911 INFO L158 Benchmark]: TraceAbstraction took 94.65ms. Allocated memory was 73.4MB in the beginning and 94.4MB in the end (delta: 21.0MB). Free memory was 26.8MB in the beginning and 60.7MB in the end (delta: -34.0MB). Peak memory consumption was 2.3MB. Max. memory is 16.1GB. [2023-08-30 22:24:20,918 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 60.8MB. Free memory is still 38.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 446.55ms. Allocated memory is still 73.4MB. Free memory was 48.6MB in the beginning and 40.2MB in the end (delta: 8.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 46.71ms. Allocated memory is still 73.4MB. Free memory was 40.2MB in the beginning and 37.5MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 40.00ms. Allocated memory is still 73.4MB. Free memory was 37.1MB in the beginning and 35.0MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 745.96ms. Allocated memory is still 73.4MB. Free memory was 34.8MB in the beginning and 27.2MB in the end (delta: 7.6MB). Peak memory consumption was 16.0MB. Max. memory is 16.1GB. * TraceAbstraction took 94.65ms. Allocated memory was 73.4MB in the beginning and 94.4MB in the end (delta: 21.0MB). Free memory was 26.8MB in the beginning and 60.7MB in the end (delta: -34.0MB). Peak memory consumption was 2.3MB. 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 22:24:20,948 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