./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/no-overflow.prp --file ../../../trunk/examples/svcomp/pthread-wmm/mix036.oepc.i --full-output --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations DEFORE --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows 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/mix036.oepc.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-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 ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e3d3e405a2d3cb3ab8b02ed87788ef59412b7b81517118cc37c044f334087868 --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 12:20:15,499 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-30 12:20:15,502 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-30 12:20:15,542 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-30 12:20:15,543 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-30 12:20:15,544 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-30 12:20:15,545 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-30 12:20:15,546 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-30 12:20:15,548 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-30 12:20:15,552 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-30 12:20:15,553 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-30 12:20:15,554 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-30 12:20:15,555 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-30 12:20:15,557 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-30 12:20:15,558 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-30 12:20:15,562 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-30 12:20:15,562 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-30 12:20:15,563 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-30 12:20:15,565 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-30 12:20:15,567 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-30 12:20:15,577 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-30 12:20:15,579 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-30 12:20:15,580 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-30 12:20:15,580 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-30 12:20:15,588 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-30 12:20:15,588 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-30 12:20:15,589 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-30 12:20:15,590 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-30 12:20:15,591 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-30 12:20:15,592 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-30 12:20:15,592 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-30 12:20:15,593 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-30 12:20:15,599 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-30 12:20:15,599 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-30 12:20:15,600 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-30 12:20:15,600 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-30 12:20:15,601 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-30 12:20:15,601 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-30 12:20:15,601 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-30 12:20:15,602 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-30 12:20:15,603 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-30 12:20:15,604 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2023-08-30 12:20:15,631 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-30 12:20:15,631 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-30 12:20:15,632 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-30 12:20:15,632 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-30 12:20:15,633 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-30 12:20:15,633 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-30 12:20:15,634 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-30 12:20:15,634 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-30 12:20:15,634 INFO L138 SettingsManager]: * Use SBE=true [2023-08-30 12:20:15,634 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-30 12:20:15,635 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-30 12:20:15,635 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-30 12:20:15,635 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-30 12:20:15,636 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-30 12:20:15,636 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-30 12:20:15,636 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-30 12:20:15,636 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-30 12:20:15,636 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-30 12:20:15,636 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2023-08-30 12:20:15,637 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-30 12:20:15,637 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-30 12:20:15,637 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-30 12:20:15,637 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-30 12:20:15,637 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-30 12:20:15,638 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-30 12:20:15,638 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-30 12:20:15,638 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 12:20:15,638 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-30 12:20:15,638 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-30 12:20:15,639 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-30 12:20:15,639 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-30 12:20:15,639 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-30 12:20:15,639 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-30 12:20:15,639 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-30 12:20:15,640 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-30 12:20:15,640 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-30 12:20:15,640 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-30 12:20:15,640 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e3d3e405a2d3cb3ab8b02ed87788ef59412b7b81517118cc37c044f334087868 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> DEFORE [2023-08-30 12:20:15,896 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-30 12:20:15,915 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-30 12:20:15,917 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-30 12:20:15,918 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-30 12:20:15,918 INFO L275 PluginConnector]: CDTParser initialized [2023-08-30 12:20:15,920 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix036.oepc.i [2023-08-30 12:20:16,947 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-30 12:20:17,208 INFO L351 CDTParser]: Found 1 translation units. [2023-08-30 12:20:17,209 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix036.oepc.i [2023-08-30 12:20:17,229 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/98404ed06/541673bad4d343d1ae1613b82c7e3109/FLAGa5329dd5d [2023-08-30 12:20:17,246 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/98404ed06/541673bad4d343d1ae1613b82c7e3109 [2023-08-30 12:20:17,249 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-30 12:20:17,250 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-30 12:20:17,253 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-30 12:20:17,254 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-30 12:20:17,256 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-30 12:20:17,257 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 12:20:17" (1/1) ... [2023-08-30 12:20:17,258 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f08b99e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:20:17, skipping insertion in model container [2023-08-30 12:20:17,258 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 12:20:17" (1/1) ... [2023-08-30 12:20:17,264 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-30 12:20:17,314 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-30 12:20:17,480 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/mix036.oepc.i[945,958] [2023-08-30 12:20:17,656 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 12:20:17,672 INFO L203 MainTranslator]: Completed pre-run [2023-08-30 12:20:17,686 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/mix036.oepc.i[945,958] [2023-08-30 12:20:17,756 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 12:20:17,793 WARN L667 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 12:20:17,794 WARN L667 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 12:20:17,799 INFO L208 MainTranslator]: Completed translation [2023-08-30 12:20:17,800 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:20:17 WrapperNode [2023-08-30 12:20:17,800 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-30 12:20:17,801 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-30 12:20:17,801 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-30 12:20:17,801 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-30 12:20:17,806 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:20:17" (1/1) ... [2023-08-30 12:20:17,844 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:20:17" (1/1) ... [2023-08-30 12:20:17,868 INFO L138 Inliner]: procedures = 177, calls = 71, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 149 [2023-08-30 12:20:17,869 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-30 12:20:17,869 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-30 12:20:17,870 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-30 12:20:17,870 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-30 12:20:17,883 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:20:17" (1/1) ... [2023-08-30 12:20:17,884 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:20:17" (1/1) ... [2023-08-30 12:20:17,887 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:20:17" (1/1) ... [2023-08-30 12:20:17,887 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:20:17" (1/1) ... [2023-08-30 12:20:17,897 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:20:17" (1/1) ... [2023-08-30 12:20:17,900 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:20:17" (1/1) ... [2023-08-30 12:20:17,902 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:20:17" (1/1) ... [2023-08-30 12:20:17,904 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:20:17" (1/1) ... [2023-08-30 12:20:17,906 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-30 12:20:17,907 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-30 12:20:17,907 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-30 12:20:17,907 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-30 12:20:17,908 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:20:17" (1/1) ... [2023-08-30 12:20:17,913 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 12:20:17,937 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-30 12:20:17,949 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 12:20:17,970 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 12:20:17,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-30 12:20:17,986 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-08-30 12:20:17,986 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-30 12:20:17,986 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-30 12:20:17,986 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-30 12:20:17,986 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2023-08-30 12:20:17,986 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2023-08-30 12:20:17,986 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2023-08-30 12:20:17,987 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2023-08-30 12:20:17,987 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2023-08-30 12:20:17,987 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2023-08-30 12:20:17,987 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2023-08-30 12:20:17,987 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2023-08-30 12:20:17,987 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-30 12:20:17,987 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-08-30 12:20:17,988 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-30 12:20:17,988 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-30 12:20:17,989 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 12:20:18,168 INFO L236 CfgBuilder]: Building ICFG [2023-08-30 12:20:18,170 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-30 12:20:18,562 INFO L277 CfgBuilder]: Performing block encoding [2023-08-30 12:20:18,680 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-30 12:20:18,680 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-08-30 12:20:18,683 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 12:20:18 BoogieIcfgContainer [2023-08-30 12:20:18,689 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-30 12:20:18,690 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-30 12:20:18,690 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-30 12:20:18,693 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-30 12:20:18,693 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.08 12:20:17" (1/3) ... [2023-08-30 12:20:18,694 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4960a50b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 12:20:18, skipping insertion in model container [2023-08-30 12:20:18,694 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:20:17" (2/3) ... [2023-08-30 12:20:18,695 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4960a50b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 12:20:18, skipping insertion in model container [2023-08-30 12:20:18,695 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 12:20:18" (3/3) ... [2023-08-30 12:20:18,696 INFO L112 eAbstractionObserver]: Analyzing ICFG mix036.oepc.i [2023-08-30 12:20:18,703 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-30 12:20:18,711 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-30 12:20:18,711 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2023-08-30 12:20:18,711 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-30 12:20:18,778 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-08-30 12:20:18,784 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 12:20:18,789 INFO L158 Benchmark]: Toolchain (without parser) took 1537.28ms. Allocated memory was 71.3MB in the beginning and 86.0MB in the end (delta: 14.7MB). Free memory was 42.3MB in the beginning and 50.1MB in the end (delta: -7.8MB). Peak memory consumption was 5.3MB. Max. memory is 16.1GB. [2023-08-30 12:20:18,789 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 58.7MB. Free memory was 36.1MB in the beginning and 36.1MB in the end (delta: 48.8kB). There was no memory consumed. Max. memory is 16.1GB. [2023-08-30 12:20:18,790 INFO L158 Benchmark]: CACSL2BoogieTranslator took 546.73ms. Allocated memory is still 71.3MB. Free memory was 42.1MB in the beginning and 33.6MB in the end (delta: 8.5MB). Peak memory consumption was 7.4MB. Max. memory is 16.1GB. [2023-08-30 12:20:18,791 INFO L158 Benchmark]: Boogie Procedure Inliner took 68.19ms. Allocated memory is still 71.3MB. Free memory was 33.6MB in the beginning and 31.0MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-30 12:20:18,792 INFO L158 Benchmark]: Boogie Preprocessor took 37.02ms. Allocated memory is still 71.3MB. Free memory was 31.0MB in the beginning and 48.6MB in the end (delta: -17.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-08-30 12:20:18,793 INFO L158 Benchmark]: RCFGBuilder took 781.63ms. Allocated memory was 71.3MB in the beginning and 86.0MB in the end (delta: 14.7MB). Free memory was 48.6MB in the beginning and 61.9MB in the end (delta: -13.3MB). Peak memory consumption was 23.8MB. Max. memory is 16.1GB. [2023-08-30 12:20:18,793 INFO L158 Benchmark]: TraceAbstraction took 96.58ms. Allocated memory is still 86.0MB. Free memory was 61.5MB in the beginning and 50.1MB in the end (delta: 11.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-08-30 12:20:18,801 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 58.7MB. Free memory was 36.1MB in the beginning and 36.1MB in the end (delta: 48.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 546.73ms. Allocated memory is still 71.3MB. Free memory was 42.1MB in the beginning and 33.6MB in the end (delta: 8.5MB). Peak memory consumption was 7.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 68.19ms. Allocated memory is still 71.3MB. Free memory was 33.6MB in the beginning and 31.0MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 37.02ms. Allocated memory is still 71.3MB. Free memory was 31.0MB in the beginning and 48.6MB in the end (delta: -17.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 781.63ms. Allocated memory was 71.3MB in the beginning and 86.0MB in the end (delta: 14.7MB). Free memory was 48.6MB in the beginning and 61.9MB in the end (delta: -13.3MB). Peak memory consumption was 23.8MB. Max. memory is 16.1GB. * TraceAbstraction took 96.58ms. Allocated memory is still 86.0MB. Free memory was 61.5MB in the beginning and 50.1MB in the end (delta: 11.4MB). 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 12:20:18,830 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/mix036.oepc.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-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 ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e3d3e405a2d3cb3ab8b02ed87788ef59412b7b81517118cc37c044f334087868 --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 12:20:20,718 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-30 12:20:20,720 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-30 12:20:20,753 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-30 12:20:20,754 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-30 12:20:20,757 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-30 12:20:20,759 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-30 12:20:20,761 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-30 12:20:20,763 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-30 12:20:20,768 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-30 12:20:20,770 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-30 12:20:20,771 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-30 12:20:20,771 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-30 12:20:20,773 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-30 12:20:20,775 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-30 12:20:20,777 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-30 12:20:20,780 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-30 12:20:20,781 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-30 12:20:20,783 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-30 12:20:20,785 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-30 12:20:20,799 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-30 12:20:20,800 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-30 12:20:20,801 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-30 12:20:20,802 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-30 12:20:20,809 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-30 12:20:20,812 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-30 12:20:20,812 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-30 12:20:20,813 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-30 12:20:20,814 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-30 12:20:20,815 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-30 12:20:20,815 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-30 12:20:20,816 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-30 12:20:20,817 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-30 12:20:20,818 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-30 12:20:20,819 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-30 12:20:20,819 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-30 12:20:20,820 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-30 12:20:20,820 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-30 12:20:20,820 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-30 12:20:20,821 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-30 12:20:20,821 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-30 12:20:20,823 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Bitvector.epf [2023-08-30 12:20:20,854 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-30 12:20:20,854 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-30 12:20:20,855 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-30 12:20:20,855 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-30 12:20:20,856 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-30 12:20:20,856 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-30 12:20:20,857 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-30 12:20:20,857 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-30 12:20:20,857 INFO L138 SettingsManager]: * Use SBE=true [2023-08-30 12:20:20,857 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-30 12:20:20,858 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-30 12:20:20,858 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-30 12:20:20,859 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-30 12:20:20,859 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-30 12:20:20,859 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-30 12:20:20,859 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-30 12:20:20,859 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-30 12:20:20,860 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-08-30 12:20:20,860 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2023-08-30 12:20:20,860 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2023-08-30 12:20:20,860 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-08-30 12:20:20,860 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-30 12:20:20,860 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-30 12:20:20,861 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-30 12:20:20,861 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-30 12:20:20,861 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-30 12:20:20,861 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-30 12:20:20,861 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-30 12:20:20,862 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 12:20:20,862 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-30 12:20:20,862 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-30 12:20:20,862 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-30 12:20:20,863 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2023-08-30 12:20:20,863 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-08-30 12:20:20,863 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-30 12:20:20,863 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-30 12:20:20,863 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-30 12:20:20,864 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-30 12:20:20,864 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2023-08-30 12:20:20,864 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-30 12:20:20,864 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e3d3e405a2d3cb3ab8b02ed87788ef59412b7b81517118cc37c044f334087868 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> DEFORE [2023-08-30 12:20:21,126 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-30 12:20:21,146 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-30 12:20:21,149 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-30 12:20:21,149 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-30 12:20:21,150 INFO L275 PluginConnector]: CDTParser initialized [2023-08-30 12:20:21,150 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix036.oepc.i [2023-08-30 12:20:22,385 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-30 12:20:22,653 INFO L351 CDTParser]: Found 1 translation units. [2023-08-30 12:20:22,654 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix036.oepc.i [2023-08-30 12:20:22,675 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2c8b6392f/9db841eeac504ba4b8db18381b39be54/FLAGf58d162ec [2023-08-30 12:20:22,693 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2c8b6392f/9db841eeac504ba4b8db18381b39be54 [2023-08-30 12:20:22,695 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-30 12:20:22,697 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-30 12:20:22,700 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-30 12:20:22,701 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-30 12:20:22,703 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-30 12:20:22,704 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 12:20:22" (1/1) ... [2023-08-30 12:20:22,705 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@30ba838c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:20:22, skipping insertion in model container [2023-08-30 12:20:22,705 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 12:20:22" (1/1) ... [2023-08-30 12:20:22,710 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-30 12:20:22,763 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-30 12:20:22,923 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/mix036.oepc.i[945,958] [2023-08-30 12:20:23,096 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 12:20:23,107 INFO L203 MainTranslator]: Completed pre-run [2023-08-30 12:20:23,117 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/mix036.oepc.i[945,958] [2023-08-30 12:20:23,166 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 12:20:23,203 WARN L667 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 12:20:23,203 WARN L667 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 12:20:23,208 INFO L208 MainTranslator]: Completed translation [2023-08-30 12:20:23,209 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:20:23 WrapperNode [2023-08-30 12:20:23,209 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-30 12:20:23,210 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-30 12:20:23,210 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-30 12:20:23,210 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-30 12:20:23,216 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:20:23" (1/1) ... [2023-08-30 12:20:23,244 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:20:23" (1/1) ... [2023-08-30 12:20:23,271 INFO L138 Inliner]: procedures = 180, calls = 71, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 150 [2023-08-30 12:20:23,271 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-30 12:20:23,272 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-30 12:20:23,272 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-30 12:20:23,272 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-30 12:20:23,282 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:20:23" (1/1) ... [2023-08-30 12:20:23,283 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:20:23" (1/1) ... [2023-08-30 12:20:23,287 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:20:23" (1/1) ... [2023-08-30 12:20:23,287 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:20:23" (1/1) ... [2023-08-30 12:20:23,296 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:20:23" (1/1) ... [2023-08-30 12:20:23,298 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:20:23" (1/1) ... [2023-08-30 12:20:23,301 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:20:23" (1/1) ... [2023-08-30 12:20:23,303 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:20:23" (1/1) ... [2023-08-30 12:20:23,306 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-30 12:20:23,307 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-30 12:20:23,307 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-30 12:20:23,307 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-30 12:20:23,308 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:20:23" (1/1) ... [2023-08-30 12:20:23,313 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 12:20:23,332 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-30 12:20:23,350 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-08-30 12:20:23,365 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 12:20:23,383 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-08-30 12:20:23,383 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-30 12:20:23,383 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-30 12:20:23,384 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-30 12:20:23,384 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-08-30 12:20:23,384 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-08-30 12:20:23,384 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2023-08-30 12:20:23,384 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2023-08-30 12:20:23,384 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2023-08-30 12:20:23,385 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2023-08-30 12:20:23,385 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2023-08-30 12:20:23,385 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2023-08-30 12:20:23,386 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2023-08-30 12:20:23,386 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2023-08-30 12:20:23,386 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-08-30 12:20:23,386 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-30 12:20:23,387 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-30 12:20:23,388 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 12:20:23,591 INFO L236 CfgBuilder]: Building ICFG [2023-08-30 12:20:23,593 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-30 12:20:23,929 INFO L277 CfgBuilder]: Performing block encoding [2023-08-30 12:20:24,090 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-30 12:20:24,090 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-08-30 12:20:24,093 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 12:20:24 BoogieIcfgContainer [2023-08-30 12:20:24,093 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-30 12:20:24,095 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-30 12:20:24,095 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-30 12:20:24,098 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-30 12:20:24,098 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.08 12:20:22" (1/3) ... [2023-08-30 12:20:24,099 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55b433e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 12:20:24, skipping insertion in model container [2023-08-30 12:20:24,099 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:20:23" (2/3) ... [2023-08-30 12:20:24,100 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55b433e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 12:20:24, skipping insertion in model container [2023-08-30 12:20:24,101 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 12:20:24" (3/3) ... [2023-08-30 12:20:24,102 INFO L112 eAbstractionObserver]: Analyzing ICFG mix036.oepc.i [2023-08-30 12:20:24,108 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-30 12:20:24,116 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-30 12:20:24,116 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2023-08-30 12:20:24,116 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-30 12:20:24,189 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-08-30 12:20:24,194 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 12:20:24,200 INFO L158 Benchmark]: Toolchain (without parser) took 1502.40ms. Allocated memory is still 79.7MB. Free memory was 53.8MB in the beginning and 38.2MB in the end (delta: 15.6MB). Peak memory consumption was 15.3MB. Max. memory is 16.1GB. [2023-08-30 12:20:24,200 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 58.7MB. Free memory is still 36.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-08-30 12:20:24,201 INFO L158 Benchmark]: CACSL2BoogieTranslator took 509.17ms. Allocated memory is still 79.7MB. Free memory was 53.6MB in the beginning and 47.6MB in the end (delta: 6.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-08-30 12:20:24,201 INFO L158 Benchmark]: Boogie Procedure Inliner took 61.28ms. Allocated memory is still 79.7MB. Free memory was 47.6MB in the beginning and 45.1MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-30 12:20:24,202 INFO L158 Benchmark]: Boogie Preprocessor took 34.82ms. Allocated memory is still 79.7MB. Free memory was 45.1MB in the beginning and 42.6MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-30 12:20:24,203 INFO L158 Benchmark]: RCFGBuilder took 785.85ms. Allocated memory is still 79.7MB. Free memory was 42.6MB in the beginning and 53.0MB in the end (delta: -10.4MB). Peak memory consumption was 21.6MB. Max. memory is 16.1GB. [2023-08-30 12:20:24,203 INFO L158 Benchmark]: TraceAbstraction took 103.07ms. Allocated memory is still 79.7MB. Free memory was 52.5MB in the beginning and 38.2MB in the end (delta: 14.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-08-30 12:20:24,211 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 58.7MB. Free memory is still 36.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 509.17ms. Allocated memory is still 79.7MB. Free memory was 53.6MB in the beginning and 47.6MB in the end (delta: 6.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 61.28ms. Allocated memory is still 79.7MB. Free memory was 47.6MB in the beginning and 45.1MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 34.82ms. Allocated memory is still 79.7MB. Free memory was 45.1MB in the beginning and 42.6MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 785.85ms. Allocated memory is still 79.7MB. Free memory was 42.6MB in the beginning and 53.0MB in the end (delta: -10.4MB). Peak memory consumption was 21.6MB. Max. memory is 16.1GB. * TraceAbstraction took 103.07ms. Allocated memory is still 79.7MB. Free memory was 52.5MB in the beginning and 38.2MB in the end (delta: 14.2MB). Peak memory consumption was 14.7MB. 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 12:20:24,236 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