./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/no-overflow.prp --file ../../../trunk/examples/svcomp/pthread-wmm/safe026_tso.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/safe026_tso.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 80799f6c8fd7356eb24d2cdce2b9813d505d1c320a66d664e71d3261c3c21a3d --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 12:24:20,405 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-30 12:24:20,407 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-30 12:24:20,448 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-30 12:24:20,450 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-30 12:24:20,453 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-30 12:24:20,455 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-30 12:24:20,457 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-30 12:24:20,459 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-30 12:24:20,464 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-30 12:24:20,465 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-30 12:24:20,467 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-30 12:24:20,467 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-30 12:24:20,469 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-30 12:24:20,470 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-30 12:24:20,474 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-30 12:24:20,474 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-30 12:24:20,476 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-30 12:24:20,477 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-30 12:24:20,482 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-30 12:24:20,487 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-30 12:24:20,488 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-30 12:24:20,489 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-30 12:24:20,490 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-30 12:24:20,496 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-30 12:24:20,497 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-30 12:24:20,497 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-30 12:24:20,499 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-30 12:24:20,499 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-30 12:24:20,500 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-30 12:24:20,500 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-30 12:24:20,503 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-30 12:24:20,503 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-30 12:24:20,506 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-30 12:24:20,507 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-30 12:24:20,507 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-30 12:24:20,508 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-30 12:24:20,508 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-30 12:24:20,508 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-30 12:24:20,509 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-30 12:24:20,509 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-30 12:24:20,511 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2023-08-30 12:24:20,544 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-30 12:24:20,544 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-30 12:24:20,545 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-30 12:24:20,545 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-30 12:24:20,546 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-30 12:24:20,546 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-30 12:24:20,547 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-30 12:24:20,547 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-30 12:24:20,547 INFO L138 SettingsManager]: * Use SBE=true [2023-08-30 12:24:20,547 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-30 12:24:20,548 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-30 12:24:20,548 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-30 12:24:20,549 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-30 12:24:20,549 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-30 12:24:20,549 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-30 12:24:20,549 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-30 12:24:20,549 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-30 12:24:20,549 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-30 12:24:20,550 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2023-08-30 12:24:20,550 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-30 12:24:20,550 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-30 12:24:20,550 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-30 12:24:20,550 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-30 12:24:20,551 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-30 12:24:20,551 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-30 12:24:20,551 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-30 12:24:20,551 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 12:24:20,551 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-30 12:24:20,552 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-30 12:24:20,552 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-30 12:24:20,552 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-30 12:24:20,552 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-30 12:24:20,552 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-30 12:24:20,553 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-30 12:24:20,553 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-30 12:24:20,553 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-30 12:24:20,553 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-30 12:24:20,553 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 80799f6c8fd7356eb24d2cdce2b9813d505d1c320a66d664e71d3261c3c21a3d Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> DEFORE [2023-08-30 12:24:20,878 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-30 12:24:20,897 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-30 12:24:20,899 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-30 12:24:20,900 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-30 12:24:20,901 INFO L275 PluginConnector]: CDTParser initialized [2023-08-30 12:24:20,902 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe026_tso.i [2023-08-30 12:24:22,015 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-30 12:24:22,314 INFO L351 CDTParser]: Found 1 translation units. [2023-08-30 12:24:22,315 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe026_tso.i [2023-08-30 12:24:22,327 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ae74c4789/01c5eacd7cec4324b8e9359495d2531d/FLAGe3de5775a [2023-08-30 12:24:22,342 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ae74c4789/01c5eacd7cec4324b8e9359495d2531d [2023-08-30 12:24:22,345 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-30 12:24:22,346 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-30 12:24:22,348 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-30 12:24:22,348 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-30 12:24:22,351 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-30 12:24:22,352 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 12:24:22" (1/1) ... [2023-08-30 12:24:22,353 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@128c504a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:24:22, skipping insertion in model container [2023-08-30 12:24:22,353 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 12:24:22" (1/1) ... [2023-08-30 12:24:22,359 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-30 12:24:22,406 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-30 12:24:22,582 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/safe026_tso.i[945,958] [2023-08-30 12:24:22,763 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 12:24:22,773 INFO L203 MainTranslator]: Completed pre-run [2023-08-30 12:24:22,785 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/safe026_tso.i[945,958] [2023-08-30 12:24:22,825 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 12:24:22,880 WARN L667 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 12:24:22,880 WARN L667 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 12:24:22,886 INFO L208 MainTranslator]: Completed translation [2023-08-30 12:24:22,886 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:24:22 WrapperNode [2023-08-30 12:24:22,887 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-30 12:24:22,888 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-30 12:24:22,888 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-30 12:24:22,888 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-30 12:24:22,894 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:24:22" (1/1) ... [2023-08-30 12:24:22,924 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:24:22" (1/1) ... [2023-08-30 12:24:22,946 INFO L138 Inliner]: procedures = 176, calls = 51, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 70 [2023-08-30 12:24:22,947 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-30 12:24:22,949 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-30 12:24:22,949 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-30 12:24:22,949 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-30 12:24:22,956 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:24:22" (1/1) ... [2023-08-30 12:24:22,957 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:24:22" (1/1) ... [2023-08-30 12:24:22,973 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:24:22" (1/1) ... [2023-08-30 12:24:22,974 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:24:22" (1/1) ... [2023-08-30 12:24:22,978 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:24:22" (1/1) ... [2023-08-30 12:24:22,988 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:24:22" (1/1) ... [2023-08-30 12:24:22,990 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:24:22" (1/1) ... [2023-08-30 12:24:22,991 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:24:22" (1/1) ... [2023-08-30 12:24:22,992 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-30 12:24:22,999 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-30 12:24:22,999 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-30 12:24:23,000 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-30 12:24:23,000 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:24:22" (1/1) ... [2023-08-30 12:24:23,006 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 12:24:23,018 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-30 12:24:23,030 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 12:24:23,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-30 12:24:23,068 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-08-30 12:24:23,069 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-30 12:24:23,069 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-30 12:24:23,069 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-30 12:24:23,069 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2023-08-30 12:24:23,069 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2023-08-30 12:24:23,069 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2023-08-30 12:24:23,070 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2023-08-30 12:24:23,070 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2023-08-30 12:24:23,070 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2023-08-30 12:24:23,070 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-30 12:24:23,070 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-08-30 12:24:23,070 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-30 12:24:23,070 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-30 12:24:23,072 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 12:24:23,057 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 12:24:23,257 INFO L236 CfgBuilder]: Building ICFG [2023-08-30 12:24:23,258 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-30 12:24:23,427 INFO L277 CfgBuilder]: Performing block encoding [2023-08-30 12:24:23,457 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-30 12:24:23,457 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-08-30 12:24:23,460 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 12:24:23 BoogieIcfgContainer [2023-08-30 12:24:23,460 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-30 12:24:23,463 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-30 12:24:23,463 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-30 12:24:23,466 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-30 12:24:23,466 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.08 12:24:22" (1/3) ... [2023-08-30 12:24:23,467 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79fabbb0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 12:24:23, skipping insertion in model container [2023-08-30 12:24:23,467 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:24:22" (2/3) ... [2023-08-30 12:24:23,467 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79fabbb0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 12:24:23, skipping insertion in model container [2023-08-30 12:24:23,468 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 12:24:23" (3/3) ... [2023-08-30 12:24:23,470 INFO L112 eAbstractionObserver]: Analyzing ICFG safe026_tso.i [2023-08-30 12:24:23,478 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-30 12:24:23,484 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-30 12:24:23,484 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2023-08-30 12:24:23,484 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-30 12:24:23,540 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-08-30 12:24:23,546 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 12:24:23,550 INFO L158 Benchmark]: Toolchain (without parser) took 1203.50ms. Allocated memory is still 81.8MB. Free memory was 58.0MB in the beginning and 31.1MB in the end (delta: 26.9MB). Peak memory consumption was 30.2MB. Max. memory is 16.1GB. [2023-08-30 12:24:23,551 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 62.9MB. Free memory is still 40.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-08-30 12:24:23,551 INFO L158 Benchmark]: CACSL2BoogieTranslator took 538.68ms. Allocated memory is still 81.8MB. Free memory was 58.0MB in the beginning and 57.5MB in the end (delta: 533.7kB). Peak memory consumption was 23.9MB. Max. memory is 16.1GB. [2023-08-30 12:24:23,552 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.94ms. Allocated memory is still 81.8MB. Free memory was 57.5MB in the beginning and 55.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-30 12:24:23,552 INFO L158 Benchmark]: Boogie Preprocessor took 49.90ms. Allocated memory is still 81.8MB. Free memory was 55.3MB in the beginning and 54.1MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-30 12:24:23,553 INFO L158 Benchmark]: RCFGBuilder took 461.42ms. Allocated memory is still 81.8MB. Free memory was 54.1MB in the beginning and 38.6MB in the end (delta: 15.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-08-30 12:24:23,554 INFO L158 Benchmark]: TraceAbstraction took 85.87ms. Allocated memory is still 81.8MB. Free memory was 38.2MB in the beginning and 31.1MB in the end (delta: 7.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-08-30 12:24:23,556 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 62.9MB. Free memory is still 40.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 538.68ms. Allocated memory is still 81.8MB. Free memory was 58.0MB in the beginning and 57.5MB in the end (delta: 533.7kB). Peak memory consumption was 23.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 59.94ms. Allocated memory is still 81.8MB. Free memory was 57.5MB in the beginning and 55.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 49.90ms. Allocated memory is still 81.8MB. Free memory was 55.3MB in the beginning and 54.1MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 461.42ms. Allocated memory is still 81.8MB. Free memory was 54.1MB in the beginning and 38.6MB in the end (delta: 15.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 85.87ms. Allocated memory is still 81.8MB. Free memory was 38.2MB in the beginning and 31.1MB in the end (delta: 7.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: IllegalArgumentException: No enum constant de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TraceAbstractionPreferenceInitializer.InsufficientError.DEFORE de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: IllegalArgumentException: No enum constant de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TraceAbstractionPreferenceInitializer.InsufficientError.DEFORE: java.base/java.lang.Enum.valueOf(Enum.java:240) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-08-30 12:24:23,573 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/safe026_tso.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 80799f6c8fd7356eb24d2cdce2b9813d505d1c320a66d664e71d3261c3c21a3d --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 12:24:25,485 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-30 12:24:25,487 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-30 12:24:25,529 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-30 12:24:25,529 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-30 12:24:25,532 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-30 12:24:25,534 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-30 12:24:25,536 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-30 12:24:25,539 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-30 12:24:25,545 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-30 12:24:25,546 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-30 12:24:25,548 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-30 12:24:25,548 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-30 12:24:25,550 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-30 12:24:25,551 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-30 12:24:25,558 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-30 12:24:25,560 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-30 12:24:25,561 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-30 12:24:25,563 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-30 12:24:25,565 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-30 12:24:25,569 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-30 12:24:25,570 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-30 12:24:25,571 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-30 12:24:25,572 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-30 12:24:25,579 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-30 12:24:25,581 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-30 12:24:25,581 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-30 12:24:25,582 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-30 12:24:25,583 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-30 12:24:25,584 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-30 12:24:25,584 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-30 12:24:25,585 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-30 12:24:25,586 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-30 12:24:25,588 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-30 12:24:25,588 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-30 12:24:25,589 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-30 12:24:25,589 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-30 12:24:25,589 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-30 12:24:25,590 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-30 12:24:25,590 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-30 12:24:25,591 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-30 12:24:25,592 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Bitvector.epf [2023-08-30 12:24:25,626 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-30 12:24:25,626 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-30 12:24:25,628 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-30 12:24:25,628 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-30 12:24:25,629 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-30 12:24:25,629 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-30 12:24:25,629 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-30 12:24:25,630 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-30 12:24:25,630 INFO L138 SettingsManager]: * Use SBE=true [2023-08-30 12:24:25,630 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-30 12:24:25,631 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-30 12:24:25,631 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-30 12:24:25,631 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-30 12:24:25,631 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-30 12:24:25,631 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-30 12:24:25,632 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-30 12:24:25,632 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-30 12:24:25,632 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-08-30 12:24:25,632 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2023-08-30 12:24:25,632 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2023-08-30 12:24:25,633 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-08-30 12:24:25,633 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-30 12:24:25,633 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-30 12:24:25,633 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-30 12:24:25,633 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-30 12:24:25,633 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-30 12:24:25,634 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-30 12:24:25,634 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-30 12:24:25,634 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 12:24:25,634 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-30 12:24:25,634 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-30 12:24:25,635 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-30 12:24:25,635 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2023-08-30 12:24:25,635 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-08-30 12:24:25,635 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-30 12:24:25,635 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-30 12:24:25,636 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-30 12:24:25,636 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-30 12:24:25,636 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2023-08-30 12:24:25,636 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-30 12:24:25,636 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 80799f6c8fd7356eb24d2cdce2b9813d505d1c320a66d664e71d3261c3c21a3d Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> DEFORE [2023-08-30 12:24:25,957 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-30 12:24:25,985 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-30 12:24:25,988 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-30 12:24:25,988 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-30 12:24:25,989 INFO L275 PluginConnector]: CDTParser initialized [2023-08-30 12:24:25,990 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe026_tso.i [2023-08-30 12:24:27,185 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-30 12:24:27,428 INFO L351 CDTParser]: Found 1 translation units. [2023-08-30 12:24:27,428 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe026_tso.i [2023-08-30 12:24:27,440 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5ac61a6d9/99bb0e1775b54a4a9684b0c1c8e2b3bd/FLAGf847c574e [2023-08-30 12:24:27,455 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5ac61a6d9/99bb0e1775b54a4a9684b0c1c8e2b3bd [2023-08-30 12:24:27,457 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-30 12:24:27,458 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-30 12:24:27,459 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-30 12:24:27,459 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-30 12:24:27,462 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-30 12:24:27,463 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 12:24:27" (1/1) ... [2023-08-30 12:24:27,464 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b62e9d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:24:27, skipping insertion in model container [2023-08-30 12:24:27,464 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 12:24:27" (1/1) ... [2023-08-30 12:24:27,470 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-30 12:24:27,503 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-30 12:24:27,628 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/safe026_tso.i[945,958] [2023-08-30 12:24:27,817 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 12:24:27,832 INFO L203 MainTranslator]: Completed pre-run [2023-08-30 12:24:27,842 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/safe026_tso.i[945,958] [2023-08-30 12:24:27,868 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 12:24:27,939 WARN L667 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 12:24:27,948 WARN L667 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 12:24:27,954 INFO L208 MainTranslator]: Completed translation [2023-08-30 12:24:27,955 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:24:27 WrapperNode [2023-08-30 12:24:27,955 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-30 12:24:27,956 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-30 12:24:27,956 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-30 12:24:27,956 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-30 12:24:27,961 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:24:27" (1/1) ... [2023-08-30 12:24:27,994 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:24:27" (1/1) ... [2023-08-30 12:24:28,016 INFO L138 Inliner]: procedures = 179, calls = 51, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 71 [2023-08-30 12:24:28,017 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-30 12:24:28,018 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-30 12:24:28,018 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-30 12:24:28,019 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-30 12:24:28,026 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:24:27" (1/1) ... [2023-08-30 12:24:28,026 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:24:27" (1/1) ... [2023-08-30 12:24:28,041 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:24:27" (1/1) ... [2023-08-30 12:24:28,042 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:24:27" (1/1) ... [2023-08-30 12:24:28,048 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:24:27" (1/1) ... [2023-08-30 12:24:28,049 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:24:27" (1/1) ... [2023-08-30 12:24:28,051 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:24:27" (1/1) ... [2023-08-30 12:24:28,052 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:24:27" (1/1) ... [2023-08-30 12:24:28,055 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-30 12:24:28,056 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-30 12:24:28,056 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-30 12:24:28,056 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-30 12:24:28,057 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:24:27" (1/1) ... [2023-08-30 12:24:28,061 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 12:24:28,072 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-30 12:24:28,085 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 12:24:28,106 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 12:24:28,119 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-08-30 12:24:28,119 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-30 12:24:28,120 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-30 12:24:28,120 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-30 12:24:28,120 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-08-30 12:24:28,120 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-08-30 12:24:28,120 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2023-08-30 12:24:28,120 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2023-08-30 12:24:28,120 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2023-08-30 12:24:28,120 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2023-08-30 12:24:28,121 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2023-08-30 12:24:28,121 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2023-08-30 12:24:28,121 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-08-30 12:24:28,121 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-30 12:24:28,121 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-30 12:24:28,122 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 12:24:28,257 INFO L236 CfgBuilder]: Building ICFG [2023-08-30 12:24:28,265 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-30 12:24:28,441 INFO L277 CfgBuilder]: Performing block encoding [2023-08-30 12:24:28,484 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-30 12:24:28,484 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-08-30 12:24:28,486 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 12:24:28 BoogieIcfgContainer [2023-08-30 12:24:28,486 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-30 12:24:28,488 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-30 12:24:28,488 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-30 12:24:28,490 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-30 12:24:28,491 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.08 12:24:27" (1/3) ... [2023-08-30 12:24:28,491 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c2cce67 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 12:24:28, skipping insertion in model container [2023-08-30 12:24:28,491 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:24:27" (2/3) ... [2023-08-30 12:24:28,492 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c2cce67 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 12:24:28, skipping insertion in model container [2023-08-30 12:24:28,492 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 12:24:28" (3/3) ... [2023-08-30 12:24:28,499 INFO L112 eAbstractionObserver]: Analyzing ICFG safe026_tso.i [2023-08-30 12:24:28,506 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-30 12:24:28,516 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-30 12:24:28,516 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2023-08-30 12:24:28,517 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-30 12:24:28,594 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-08-30 12:24:28,600 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 12:24:28,606 INFO L158 Benchmark]: Toolchain (without parser) took 1147.02ms. Allocated memory is still 81.8MB. Free memory was 57.9MB in the beginning and 28.4MB in the end (delta: 29.5MB). Peak memory consumption was 30.1MB. Max. memory is 16.1GB. [2023-08-30 12:24:28,607 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 65.0MB. Free memory is still 43.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-08-30 12:24:28,607 INFO L158 Benchmark]: CACSL2BoogieTranslator took 495.71ms. Allocated memory is still 81.8MB. Free memory was 57.7MB in the beginning and 59.0MB in the end (delta: -1.4MB). Peak memory consumption was 23.8MB. Max. memory is 16.1GB. [2023-08-30 12:24:28,608 INFO L158 Benchmark]: Boogie Procedure Inliner took 61.44ms. Allocated memory is still 81.8MB. Free memory was 58.5MB in the beginning and 56.9MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2023-08-30 12:24:28,608 INFO L158 Benchmark]: Boogie Preprocessor took 37.26ms. Allocated memory is still 81.8MB. Free memory was 56.9MB in the beginning and 54.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-30 12:24:28,609 INFO L158 Benchmark]: RCFGBuilder took 430.30ms. Allocated memory is still 81.8MB. Free memory was 54.8MB in the beginning and 37.5MB in the end (delta: 17.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-08-30 12:24:28,609 INFO L158 Benchmark]: TraceAbstraction took 116.80ms. Allocated memory is still 81.8MB. Free memory was 36.9MB in the beginning and 28.4MB in the end (delta: 8.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-08-30 12:24:28,613 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 65.0MB. Free memory is still 43.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 495.71ms. Allocated memory is still 81.8MB. Free memory was 57.7MB in the beginning and 59.0MB in the end (delta: -1.4MB). Peak memory consumption was 23.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 61.44ms. Allocated memory is still 81.8MB. Free memory was 58.5MB in the beginning and 56.9MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 37.26ms. Allocated memory is still 81.8MB. Free memory was 56.9MB in the beginning and 54.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 430.30ms. Allocated memory is still 81.8MB. Free memory was 54.8MB in the beginning and 37.5MB in the end (delta: 17.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 116.80ms. Allocated memory is still 81.8MB. Free memory was 36.9MB in the beginning and 28.4MB in the end (delta: 8.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: IllegalArgumentException: No enum constant de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TraceAbstractionPreferenceInitializer.InsufficientError.DEFORE de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: IllegalArgumentException: No enum constant de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TraceAbstractionPreferenceInitializer.InsufficientError.DEFORE: java.base/java.lang.Enum.valueOf(Enum.java:240) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-08-30 12:24:28,637 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