./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/no-overflow.prp --file ../../../trunk/examples/svcomp/pthread-wmm/rfi004.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/rfi004.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 131a5c0bb00c7f6e11a814871ba4a0d65133507ca6f79e4b87c2742dbe2c5590 --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 12:21:42,527 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-30 12:21:42,529 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-30 12:21:42,554 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-30 12:21:42,554 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-30 12:21:42,555 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-30 12:21:42,556 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-30 12:21:42,558 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-30 12:21:42,560 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-30 12:21:42,561 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-30 12:21:42,562 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-30 12:21:42,563 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-30 12:21:42,563 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-30 12:21:42,564 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-30 12:21:42,565 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-30 12:21:42,566 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-30 12:21:42,567 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-30 12:21:42,567 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-30 12:21:42,569 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-30 12:21:42,570 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-30 12:21:42,587 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-30 12:21:42,589 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-30 12:21:42,593 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-30 12:21:42,594 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-30 12:21:42,603 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-30 12:21:42,603 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-30 12:21:42,604 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-30 12:21:42,604 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-30 12:21:42,605 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-30 12:21:42,606 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-30 12:21:42,606 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-30 12:21:42,607 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-30 12:21:42,610 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-30 12:21:42,611 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-30 12:21:42,612 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-30 12:21:42,612 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-30 12:21:42,613 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-30 12:21:42,613 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-30 12:21:42,613 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-30 12:21:42,614 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-30 12:21:42,615 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-30 12:21:42,616 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2023-08-30 12:21:42,637 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-30 12:21:42,637 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-30 12:21:42,638 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-30 12:21:42,638 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-30 12:21:42,639 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-30 12:21:42,639 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-30 12:21:42,639 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-30 12:21:42,640 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-30 12:21:42,640 INFO L138 SettingsManager]: * Use SBE=true [2023-08-30 12:21:42,640 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-30 12:21:42,640 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-30 12:21:42,644 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-30 12:21:42,645 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-30 12:21:42,645 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-30 12:21:42,645 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-30 12:21:42,645 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-30 12:21:42,645 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-30 12:21:42,645 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-30 12:21:42,646 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2023-08-30 12:21:42,646 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-30 12:21:42,646 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-30 12:21:42,646 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-30 12:21:42,646 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-30 12:21:42,647 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-30 12:21:42,647 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-30 12:21:42,647 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-30 12:21:42,647 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 12:21:42,647 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-30 12:21:42,648 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-30 12:21:42,648 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-30 12:21:42,648 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-30 12:21:42,649 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-30 12:21:42,649 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-30 12:21:42,649 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-30 12:21:42,649 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-30 12:21:42,649 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-30 12:21:42,650 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-30 12:21:42,650 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 131a5c0bb00c7f6e11a814871ba4a0d65133507ca6f79e4b87c2742dbe2c5590 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> DEFORE [2023-08-30 12:21:42,962 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-30 12:21:42,980 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-30 12:21:42,983 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-30 12:21:42,984 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-30 12:21:42,985 INFO L275 PluginConnector]: CDTParser initialized [2023-08-30 12:21:42,986 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/rfi004.i [2023-08-30 12:21:44,194 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-30 12:21:44,421 INFO L351 CDTParser]: Found 1 translation units. [2023-08-30 12:21:44,421 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/rfi004.i [2023-08-30 12:21:44,437 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c4315bb1b/e0c789f3b3fd4289860649e83258817f/FLAGba12ecc8f [2023-08-30 12:21:44,447 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c4315bb1b/e0c789f3b3fd4289860649e83258817f [2023-08-30 12:21:44,448 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-30 12:21:44,449 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-30 12:21:44,450 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-30 12:21:44,452 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-30 12:21:44,455 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-30 12:21:44,455 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 12:21:44" (1/1) ... [2023-08-30 12:21:44,458 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6daae56b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:21:44, skipping insertion in model container [2023-08-30 12:21:44,458 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 12:21:44" (1/1) ... [2023-08-30 12:21:44,463 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-30 12:21:44,506 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-30 12:21:44,617 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/rfi004.i[983,996] [2023-08-30 12:21:44,757 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 12:21:44,770 INFO L203 MainTranslator]: Completed pre-run [2023-08-30 12:21:44,782 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/rfi004.i[983,996] [2023-08-30 12:21:44,842 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 12:21:44,875 WARN L667 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 12:21:44,875 WARN L667 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 12:21:44,881 INFO L208 MainTranslator]: Completed translation [2023-08-30 12:21:44,881 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:21:44 WrapperNode [2023-08-30 12:21:44,881 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-30 12:21:44,882 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-30 12:21:44,882 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-30 12:21:44,883 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-30 12:21:44,888 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:21:44" (1/1) ... [2023-08-30 12:21:44,914 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:21:44" (1/1) ... [2023-08-30 12:21:44,949 INFO L138 Inliner]: procedures = 175, calls = 47, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 123 [2023-08-30 12:21:44,950 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-30 12:21:44,951 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-30 12:21:44,951 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-30 12:21:44,951 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-30 12:21:44,965 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:21:44" (1/1) ... [2023-08-30 12:21:44,965 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:21:44" (1/1) ... [2023-08-30 12:21:44,982 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:21:44" (1/1) ... [2023-08-30 12:21:44,983 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:21:44" (1/1) ... [2023-08-30 12:21:44,988 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:21:44" (1/1) ... [2023-08-30 12:21:44,999 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:21:44" (1/1) ... [2023-08-30 12:21:45,000 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:21:44" (1/1) ... [2023-08-30 12:21:45,001 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:21:44" (1/1) ... [2023-08-30 12:21:45,011 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-30 12:21:45,012 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-30 12:21:45,012 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-30 12:21:45,012 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-30 12:21:45,013 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:21:44" (1/1) ... [2023-08-30 12:21:45,025 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 12:21:45,037 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-30 12:21:45,049 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 12:21:45,070 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 12:21:45,084 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-30 12:21:45,084 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-08-30 12:21:45,084 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-30 12:21:45,085 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-30 12:21:45,085 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-30 12:21:45,085 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2023-08-30 12:21:45,087 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2023-08-30 12:21:45,087 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2023-08-30 12:21:45,088 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2023-08-30 12:21:45,088 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-30 12:21:45,088 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-08-30 12:21:45,088 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-30 12:21:45,088 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-30 12:21:45,089 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 12:21:45,245 INFO L236 CfgBuilder]: Building ICFG [2023-08-30 12:21:45,247 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-30 12:21:45,506 INFO L277 CfgBuilder]: Performing block encoding [2023-08-30 12:21:45,642 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-30 12:21:45,642 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-08-30 12:21:45,644 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 12:21:45 BoogieIcfgContainer [2023-08-30 12:21:45,644 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-30 12:21:45,646 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-30 12:21:45,647 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-30 12:21:45,649 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-30 12:21:45,649 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.08 12:21:44" (1/3) ... [2023-08-30 12:21:45,650 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42056beb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 12:21:45, skipping insertion in model container [2023-08-30 12:21:45,650 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:21:44" (2/3) ... [2023-08-30 12:21:45,651 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42056beb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 12:21:45, skipping insertion in model container [2023-08-30 12:21:45,651 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 12:21:45" (3/3) ... [2023-08-30 12:21:45,652 INFO L112 eAbstractionObserver]: Analyzing ICFG rfi004.i [2023-08-30 12:21:45,665 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-30 12:21:45,673 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-30 12:21:45,673 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2023-08-30 12:21:45,674 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-30 12:21:45,725 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-08-30 12:21:45,732 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 12:21:45,737 INFO L158 Benchmark]: Toolchain (without parser) took 1287.15ms. Allocated memory is still 83.9MB. Free memory was 61.2MB in the beginning and 54.2MB in the end (delta: 7.0MB). Peak memory consumption was 33.8MB. Max. memory is 16.1GB. [2023-08-30 12:21:45,738 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 58.7MB. Free memory is still 36.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-08-30 12:21:45,739 INFO L158 Benchmark]: CACSL2BoogieTranslator took 431.16ms. Allocated memory is still 83.9MB. Free memory was 61.2MB in the beginning and 39.0MB in the end (delta: 22.2MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-08-30 12:21:45,739 INFO L158 Benchmark]: Boogie Procedure Inliner took 68.03ms. Allocated memory is still 83.9MB. Free memory was 39.0MB in the beginning and 36.6MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-30 12:21:45,740 INFO L158 Benchmark]: Boogie Preprocessor took 60.53ms. Allocated memory is still 83.9MB. Free memory was 36.6MB in the beginning and 62.4MB in the end (delta: -25.7MB). Peak memory consumption was 3.9MB. Max. memory is 16.1GB. [2023-08-30 12:21:45,741 INFO L158 Benchmark]: RCFGBuilder took 632.52ms. Allocated memory is still 83.9MB. Free memory was 62.4MB in the beginning and 31.8MB in the end (delta: 30.5MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2023-08-30 12:21:45,741 INFO L158 Benchmark]: TraceAbstraction took 89.38ms. Allocated memory is still 83.9MB. Free memory was 31.0MB in the beginning and 54.2MB in the end (delta: -23.3MB). Peak memory consumption was 4.7MB. Max. memory is 16.1GB. [2023-08-30 12:21:45,748 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 58.7MB. Free memory is still 36.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 431.16ms. Allocated memory is still 83.9MB. Free memory was 61.2MB in the beginning and 39.0MB in the end (delta: 22.2MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 68.03ms. Allocated memory is still 83.9MB. Free memory was 39.0MB in the beginning and 36.6MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 60.53ms. Allocated memory is still 83.9MB. Free memory was 36.6MB in the beginning and 62.4MB in the end (delta: -25.7MB). Peak memory consumption was 3.9MB. Max. memory is 16.1GB. * RCFGBuilder took 632.52ms. Allocated memory is still 83.9MB. Free memory was 62.4MB in the beginning and 31.8MB in the end (delta: 30.5MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * TraceAbstraction took 89.38ms. Allocated memory is still 83.9MB. Free memory was 31.0MB in the beginning and 54.2MB in the end (delta: -23.3MB). Peak memory consumption was 4.7MB. 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 12:21:45,771 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/rfi004.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 131a5c0bb00c7f6e11a814871ba4a0d65133507ca6f79e4b87c2742dbe2c5590 --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 12:21:47,543 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-30 12:21:47,546 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-30 12:21:47,587 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-30 12:21:47,588 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-30 12:21:47,590 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-30 12:21:47,592 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-30 12:21:47,595 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-30 12:21:47,596 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-30 12:21:47,600 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-30 12:21:47,601 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-30 12:21:47,601 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-30 12:21:47,601 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-30 12:21:47,602 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-30 12:21:47,603 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-30 12:21:47,604 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-30 12:21:47,604 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-30 12:21:47,605 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-30 12:21:47,606 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-30 12:21:47,607 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-30 12:21:47,608 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-30 12:21:47,618 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-30 12:21:47,619 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-30 12:21:47,620 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-30 12:21:47,623 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-30 12:21:47,628 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-30 12:21:47,628 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-30 12:21:47,629 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-30 12:21:47,630 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-30 12:21:47,631 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-30 12:21:47,631 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-30 12:21:47,632 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-30 12:21:47,633 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-30 12:21:47,634 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-30 12:21:47,635 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-30 12:21:47,635 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-30 12:21:47,636 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-30 12:21:47,636 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-30 12:21:47,637 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-30 12:21:47,637 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-30 12:21:47,638 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-30 12:21:47,639 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Bitvector.epf [2023-08-30 12:21:47,672 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-30 12:21:47,673 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-30 12:21:47,674 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-30 12:21:47,674 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-30 12:21:47,675 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-30 12:21:47,675 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-30 12:21:47,676 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-30 12:21:47,676 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-30 12:21:47,676 INFO L138 SettingsManager]: * Use SBE=true [2023-08-30 12:21:47,676 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-30 12:21:47,677 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-30 12:21:47,677 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-30 12:21:47,677 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-30 12:21:47,677 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-30 12:21:47,678 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-30 12:21:47,678 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-30 12:21:47,678 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-30 12:21:47,678 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-08-30 12:21:47,678 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2023-08-30 12:21:47,679 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2023-08-30 12:21:47,679 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-08-30 12:21:47,679 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-30 12:21:47,679 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-30 12:21:47,679 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-30 12:21:47,680 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-30 12:21:47,680 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-30 12:21:47,680 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-30 12:21:47,680 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-30 12:21:47,680 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 12:21:47,681 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-30 12:21:47,681 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-30 12:21:47,681 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-30 12:21:47,681 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2023-08-30 12:21:47,681 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-08-30 12:21:47,682 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-30 12:21:47,682 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-30 12:21:47,682 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-30 12:21:47,682 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-30 12:21:47,682 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2023-08-30 12:21:47,682 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-30 12:21:47,683 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 131a5c0bb00c7f6e11a814871ba4a0d65133507ca6f79e4b87c2742dbe2c5590 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> DEFORE [2023-08-30 12:21:47,929 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-30 12:21:47,948 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-30 12:21:47,950 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-30 12:21:47,951 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-30 12:21:47,951 INFO L275 PluginConnector]: CDTParser initialized [2023-08-30 12:21:47,953 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/rfi004.i [2023-08-30 12:21:49,098 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-30 12:21:49,340 INFO L351 CDTParser]: Found 1 translation units. [2023-08-30 12:21:49,342 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/rfi004.i [2023-08-30 12:21:49,354 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ea51ae055/fd8676db736048a387677661691f9f0e/FLAGf2a23f7b3 [2023-08-30 12:21:49,367 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ea51ae055/fd8676db736048a387677661691f9f0e [2023-08-30 12:21:49,369 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-30 12:21:49,370 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-30 12:21:49,371 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-30 12:21:49,371 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-30 12:21:49,378 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-30 12:21:49,379 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 12:21:49" (1/1) ... [2023-08-30 12:21:49,380 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f15eb68 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:21:49, skipping insertion in model container [2023-08-30 12:21:49,380 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 12:21:49" (1/1) ... [2023-08-30 12:21:49,385 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-30 12:21:49,437 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-30 12:21:49,591 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/rfi004.i[983,996] [2023-08-30 12:21:49,785 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 12:21:49,798 INFO L203 MainTranslator]: Completed pre-run [2023-08-30 12:21:49,808 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/rfi004.i[983,996] [2023-08-30 12:21:49,840 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 12:21:49,871 WARN L667 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 12:21:49,871 WARN L667 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 12:21:49,879 INFO L208 MainTranslator]: Completed translation [2023-08-30 12:21:49,879 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:21:49 WrapperNode [2023-08-30 12:21:49,879 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-30 12:21:49,881 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-30 12:21:49,881 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-30 12:21:49,881 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-30 12:21:49,886 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:21:49" (1/1) ... [2023-08-30 12:21:49,910 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:21:49" (1/1) ... [2023-08-30 12:21:49,936 INFO L138 Inliner]: procedures = 178, calls = 47, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 124 [2023-08-30 12:21:49,936 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-30 12:21:49,937 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-30 12:21:49,937 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-30 12:21:49,937 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-30 12:21:49,946 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:21:49" (1/1) ... [2023-08-30 12:21:49,947 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:21:49" (1/1) ... [2023-08-30 12:21:49,951 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:21:49" (1/1) ... [2023-08-30 12:21:49,951 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:21:49" (1/1) ... [2023-08-30 12:21:49,971 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:21:49" (1/1) ... [2023-08-30 12:21:49,979 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:21:49" (1/1) ... [2023-08-30 12:21:49,982 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:21:49" (1/1) ... [2023-08-30 12:21:49,992 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:21:49" (1/1) ... [2023-08-30 12:21:49,995 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-30 12:21:49,996 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-30 12:21:49,996 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-30 12:21:49,996 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-30 12:21:49,997 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:21:49" (1/1) ... [2023-08-30 12:21:50,025 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 12:21:50,036 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-30 12:21:50,046 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 12:21:50,056 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 12:21:50,074 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-08-30 12:21:50,075 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-30 12:21:50,075 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-30 12:21:50,075 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-30 12:21:50,075 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-08-30 12:21:50,075 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-08-30 12:21:50,075 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2023-08-30 12:21:50,075 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2023-08-30 12:21:50,075 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2023-08-30 12:21:50,075 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2023-08-30 12:21:50,076 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-08-30 12:21:50,076 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-30 12:21:50,076 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-30 12:21:50,077 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 12:21:50,217 INFO L236 CfgBuilder]: Building ICFG [2023-08-30 12:21:50,218 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-30 12:21:50,554 INFO L277 CfgBuilder]: Performing block encoding [2023-08-30 12:21:50,718 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-30 12:21:50,719 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-08-30 12:21:50,721 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 12:21:50 BoogieIcfgContainer [2023-08-30 12:21:50,721 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-30 12:21:50,722 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-30 12:21:50,722 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-30 12:21:50,725 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-30 12:21:50,725 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.08 12:21:49" (1/3) ... [2023-08-30 12:21:50,726 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64db08fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 12:21:50, skipping insertion in model container [2023-08-30 12:21:50,726 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:21:49" (2/3) ... [2023-08-30 12:21:50,726 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64db08fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 12:21:50, skipping insertion in model container [2023-08-30 12:21:50,726 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 12:21:50" (3/3) ... [2023-08-30 12:21:50,727 INFO L112 eAbstractionObserver]: Analyzing ICFG rfi004.i [2023-08-30 12:21:50,734 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-30 12:21:50,741 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-30 12:21:50,742 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2023-08-30 12:21:50,742 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-30 12:21:50,805 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-08-30 12:21:50,811 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 12:21:50,816 INFO L158 Benchmark]: Toolchain (without parser) took 1445.22ms. Allocated memory was 67.1MB in the beginning and 81.8MB in the end (delta: 14.7MB). Free memory was 43.9MB in the beginning and 56.6MB in the end (delta: -12.8MB). Peak memory consumption was 28.0MB. Max. memory is 16.1GB. [2023-08-30 12:21:50,816 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 54.5MB. Free memory is still 32.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-08-30 12:21:50,817 INFO L158 Benchmark]: CACSL2BoogieTranslator took 509.01ms. Allocated memory is still 67.1MB. Free memory was 43.7MB in the beginning and 35.7MB in the end (delta: 8.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-08-30 12:21:50,818 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.58ms. Allocated memory is still 67.1MB. Free memory was 35.7MB in the beginning and 33.3MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-30 12:21:50,819 INFO L158 Benchmark]: Boogie Preprocessor took 58.82ms. Allocated memory is still 67.1MB. Free memory was 33.3MB in the beginning and 31.2MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-30 12:21:50,819 INFO L158 Benchmark]: RCFGBuilder took 724.79ms. Allocated memory was 67.1MB in the beginning and 81.8MB in the end (delta: 14.7MB). Free memory was 31.1MB in the beginning and 42.9MB in the end (delta: -11.8MB). Peak memory consumption was 8.7MB. Max. memory is 16.1GB. [2023-08-30 12:21:50,820 INFO L158 Benchmark]: TraceAbstraction took 91.89ms. Allocated memory is still 81.8MB. Free memory was 42.1MB in the beginning and 56.6MB in the end (delta: -14.6MB). Peak memory consumption was 9.2MB. Max. memory is 16.1GB. [2023-08-30 12:21:50,828 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 54.5MB. Free memory is still 32.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 509.01ms. Allocated memory is still 67.1MB. Free memory was 43.7MB in the beginning and 35.7MB in the end (delta: 8.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 55.58ms. Allocated memory is still 67.1MB. Free memory was 35.7MB in the beginning and 33.3MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 58.82ms. Allocated memory is still 67.1MB. Free memory was 33.3MB in the beginning and 31.2MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 724.79ms. Allocated memory was 67.1MB in the beginning and 81.8MB in the end (delta: 14.7MB). Free memory was 31.1MB in the beginning and 42.9MB in the end (delta: -11.8MB). Peak memory consumption was 8.7MB. Max. memory is 16.1GB. * TraceAbstraction took 91.89ms. Allocated memory is still 81.8MB. Free memory was 42.1MB in the beginning and 56.6MB in the end (delta: -14.6MB). Peak memory consumption was 9.2MB. 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 12:21:50,847 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally 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