./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.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 ERROR reachability Using default analysis Version b8dbc81d Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../../../trunk/examples/svcomp/pthread-wmm/safe026_tso.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 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 22:26:49,017 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-30 22:26:49,019 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-30 22:26:49,060 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-30 22:26:49,061 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-30 22:26:49,064 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-30 22:26:49,066 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-30 22:26:49,069 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-30 22:26:49,071 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-30 22:26:49,075 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-30 22:26:49,076 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-30 22:26:49,079 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-30 22:26:49,079 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-30 22:26:49,081 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-30 22:26:49,082 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-30 22:26:49,089 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-30 22:26:49,090 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-30 22:26:49,091 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-30 22:26:49,093 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-30 22:26:49,097 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-30 22:26:49,108 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-30 22:26:49,110 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-30 22:26:49,110 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-30 22:26:49,111 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-30 22:26:49,119 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-30 22:26:49,119 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-30 22:26:49,120 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-30 22:26:49,121 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-30 22:26:49,122 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-30 22:26:49,122 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-30 22:26:49,123 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-30 22:26:49,124 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-30 22:26:49,126 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-30 22:26:49,126 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-30 22:26:49,127 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-30 22:26:49,127 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-30 22:26:49,128 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-30 22:26:49,128 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-30 22:26:49,128 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-30 22:26:49,129 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-30 22:26:49,130 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-30 22:26:49,131 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-08-30 22:26:49,164 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-30 22:26:49,164 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-30 22:26:49,165 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-30 22:26:49,165 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-30 22:26:49,166 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-30 22:26:49,166 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-30 22:26:49,167 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-30 22:26:49,167 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-30 22:26:49,167 INFO L138 SettingsManager]: * Use SBE=true [2023-08-30 22:26:49,167 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-30 22:26:49,168 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-30 22:26:49,168 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-30 22:26:49,168 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-30 22:26:49,168 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-30 22:26:49,168 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-30 22:26:49,169 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-30 22:26:49,169 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-30 22:26:49,169 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-30 22:26:49,169 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-30 22:26:49,169 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-30 22:26:49,169 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-30 22:26:49,169 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-30 22:26:49,170 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-30 22:26:49,170 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-30 22:26:49,170 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 22:26:49,170 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-30 22:26:49,170 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-30 22:26:49,170 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-30 22:26:49,171 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-30 22:26:49,171 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-30 22:26:49,171 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-30 22:26:49,171 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-30 22:26:49,171 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-30 22:26:49,171 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-30 22:26:49,172 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-30 22:26:49,172 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 80799f6c8fd7356eb24d2cdce2b9813d505d1c320a66d664e71d3261c3c21a3d Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> DEFORE [2023-08-30 22:26:49,434 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-30 22:26:49,451 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-30 22:26:49,454 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-30 22:26:49,455 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-30 22:26:49,456 INFO L275 PluginConnector]: CDTParser initialized [2023-08-30 22:26:49,457 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe026_tso.i [2023-08-30 22:26:50,707 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-30 22:26:50,948 INFO L351 CDTParser]: Found 1 translation units. [2023-08-30 22:26:50,949 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe026_tso.i [2023-08-30 22:26:50,959 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d7cc12d7d/7e44795e7da44e59a731fe2b545e05e5/FLAG4863e2845 [2023-08-30 22:26:50,974 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d7cc12d7d/7e44795e7da44e59a731fe2b545e05e5 [2023-08-30 22:26:50,976 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-30 22:26:50,977 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-30 22:26:50,978 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-30 22:26:50,978 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-30 22:26:50,981 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-30 22:26:50,982 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 10:26:50" (1/1) ... [2023-08-30 22:26:50,983 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6bb9deaa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:26:50, skipping insertion in model container [2023-08-30 22:26:50,983 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 10:26:50" (1/1) ... [2023-08-30 22:26:50,989 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-30 22:26:51,042 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-30 22:26:51,165 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 22:26:51,349 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 22:26:51,361 INFO L203 MainTranslator]: Completed pre-run [2023-08-30 22:26:51,375 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 22:26:51,418 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 22:26:51,453 WARN L667 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 22:26:51,454 WARN L667 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 22:26:51,468 INFO L208 MainTranslator]: Completed translation [2023-08-30 22:26:51,468 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:26:51 WrapperNode [2023-08-30 22:26:51,469 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-30 22:26:51,470 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-30 22:26:51,470 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-30 22:26:51,470 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-30 22:26:51,476 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:26:51" (1/1) ... [2023-08-30 22:26:51,505 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:26:51" (1/1) ... [2023-08-30 22:26:51,528 INFO L138 Inliner]: procedures = 176, calls = 51, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 70 [2023-08-30 22:26:51,529 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-30 22:26:51,530 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-30 22:26:51,530 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-30 22:26:51,530 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-30 22:26:51,538 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:26:51" (1/1) ... [2023-08-30 22:26:51,538 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:26:51" (1/1) ... [2023-08-30 22:26:51,549 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:26:51" (1/1) ... [2023-08-30 22:26:51,549 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:26:51" (1/1) ... [2023-08-30 22:26:51,558 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:26:51" (1/1) ... [2023-08-30 22:26:51,562 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:26:51" (1/1) ... [2023-08-30 22:26:51,564 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:26:51" (1/1) ... [2023-08-30 22:26:51,571 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:26:51" (1/1) ... [2023-08-30 22:26:51,574 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-30 22:26:51,579 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-30 22:26:51,579 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-30 22:26:51,579 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-30 22:26:51,580 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:26:51" (1/1) ... [2023-08-30 22:26:51,585 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 22:26:51,595 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-30 22:26:51,614 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-08-30 22:26:51,634 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-08-30 22:26:51,648 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-30 22:26:51,648 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-08-30 22:26:51,648 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-30 22:26:51,648 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-30 22:26:51,649 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-30 22:26:51,649 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2023-08-30 22:26:51,649 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2023-08-30 22:26:51,649 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2023-08-30 22:26:51,649 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2023-08-30 22:26:51,649 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2023-08-30 22:26:51,649 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2023-08-30 22:26:51,650 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-30 22:26:51,650 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-08-30 22:26:51,650 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-30 22:26:51,650 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-30 22:26:51,651 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-08-30 22:26:51,757 INFO L236 CfgBuilder]: Building ICFG [2023-08-30 22:26:51,758 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-30 22:26:51,953 INFO L277 CfgBuilder]: Performing block encoding [2023-08-30 22:26:51,959 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-30 22:26:51,959 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-08-30 22:26:51,961 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 10:26:51 BoogieIcfgContainer [2023-08-30 22:26:51,962 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-30 22:26:51,963 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-30 22:26:51,963 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-30 22:26:51,966 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-30 22:26:51,967 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.08 10:26:50" (1/3) ... [2023-08-30 22:26:51,967 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@684e3f7a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 10:26:51, skipping insertion in model container [2023-08-30 22:26:51,967 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:26:51" (2/3) ... [2023-08-30 22:26:51,968 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@684e3f7a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 10:26:51, skipping insertion in model container [2023-08-30 22:26:51,968 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 10:26:51" (3/3) ... [2023-08-30 22:26:51,969 INFO L112 eAbstractionObserver]: Analyzing ICFG safe026_tso.i [2023-08-30 22:26:51,977 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-30 22:26:51,985 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-30 22:26:51,985 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-08-30 22:26:51,985 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-30 22:26:52,059 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-08-30 22:26:52,070 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.IllegalArgumentException: No enum constant de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TraceAbstractionPreferenceInitializer.InsufficientError.DEFORE at java.base/java.lang.Enum.valueOf(Enum.java:240) at de.uni_freiburg.informatik.ultimate.core.preferences.RcpPreferenceProvider.getEnum(RcpPreferenceProvider.java:117) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TAPreferences.insufficientThreadErrorsVsProgramErrors(TAPreferences.java:218) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.partitionErrorLocations(TraceAbstractionStarter.java:394) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:280) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:225) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:173) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-08-30 22:26:52,076 INFO L158 Benchmark]: Toolchain (without parser) took 1098.26ms. Allocated memory is still 90.2MB. Free memory was 66.4MB in the beginning and 44.5MB in the end (delta: 21.9MB). Peak memory consumption was 23.7MB. Max. memory is 16.1GB. [2023-08-30 22:26:52,076 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 62.9MB. Free memory is still 40.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-08-30 22:26:52,077 INFO L158 Benchmark]: CACSL2BoogieTranslator took 490.94ms. Allocated memory is still 90.2MB. Free memory was 66.1MB in the beginning and 68.4MB in the end (delta: -2.3MB). Peak memory consumption was 25.8MB. Max. memory is 16.1GB. [2023-08-30 22:26:52,078 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.19ms. Allocated memory is still 90.2MB. Free memory was 68.4MB in the beginning and 66.4MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-30 22:26:52,078 INFO L158 Benchmark]: Boogie Preprocessor took 48.51ms. Allocated memory is still 90.2MB. Free memory was 66.4MB in the beginning and 65.0MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2023-08-30 22:26:52,079 INFO L158 Benchmark]: RCFGBuilder took 382.90ms. Allocated memory is still 90.2MB. Free memory was 65.0MB in the beginning and 51.3MB in the end (delta: 13.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-08-30 22:26:52,079 INFO L158 Benchmark]: TraceAbstraction took 110.94ms. Allocated memory is still 90.2MB. Free memory was 50.8MB in the beginning and 44.5MB in the end (delta: 6.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-08-30 22:26:52,087 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 62.9MB. Free memory is still 40.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 490.94ms. Allocated memory is still 90.2MB. Free memory was 66.1MB in the beginning and 68.4MB in the end (delta: -2.3MB). Peak memory consumption was 25.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 59.19ms. Allocated memory is still 90.2MB. Free memory was 68.4MB in the beginning and 66.4MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 48.51ms. Allocated memory is still 90.2MB. Free memory was 66.4MB in the beginning and 65.0MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 382.90ms. Allocated memory is still 90.2MB. Free memory was 65.0MB in the beginning and 51.3MB in the end (delta: 13.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 110.94ms. Allocated memory is still 90.2MB. Free memory was 50.8MB in the beginning and 44.5MB in the end (delta: 6.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: IllegalArgumentException: No enum constant de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TraceAbstractionPreferenceInitializer.InsufficientError.DEFORE de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: IllegalArgumentException: No enum constant de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TraceAbstractionPreferenceInitializer.InsufficientError.DEFORE: java.base/java.lang.Enum.valueOf(Enum.java:240) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-08-30 22:26:52,109 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 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-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 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 22:26:53,965 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-30 22:26:53,966 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-30 22:26:53,999 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-30 22:26:53,999 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-30 22:26:54,000 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-30 22:26:54,001 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-30 22:26:54,003 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-30 22:26:54,004 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-30 22:26:54,005 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-30 22:26:54,006 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-30 22:26:54,007 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-30 22:26:54,007 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-30 22:26:54,008 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-30 22:26:54,009 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-30 22:26:54,010 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-30 22:26:54,011 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-30 22:26:54,011 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-30 22:26:54,013 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-30 22:26:54,014 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-30 22:26:54,016 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-30 22:26:54,017 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-30 22:26:54,018 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-30 22:26:54,019 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-30 22:26:54,022 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-30 22:26:54,022 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-30 22:26:54,022 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-30 22:26:54,023 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-30 22:26:54,024 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-30 22:26:54,024 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-30 22:26:54,025 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-30 22:26:54,028 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-30 22:26:54,030 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-30 22:26:54,031 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-30 22:26:54,034 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-30 22:26:54,035 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-30 22:26:54,036 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-30 22:26:54,036 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-30 22:26:54,036 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-30 22:26:54,037 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-30 22:26:54,038 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-30 22:26:54,039 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-08-30 22:26:54,062 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-30 22:26:54,063 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-30 22:26:54,063 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-30 22:26:54,063 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-30 22:26:54,064 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-30 22:26:54,064 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-30 22:26:54,064 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-30 22:26:54,065 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-30 22:26:54,065 INFO L138 SettingsManager]: * Use SBE=true [2023-08-30 22:26:54,065 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-30 22:26:54,065 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-30 22:26:54,065 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-30 22:26:54,065 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-30 22:26:54,065 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-30 22:26:54,066 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-30 22:26:54,066 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-30 22:26:54,066 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-08-30 22:26:54,066 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2023-08-30 22:26:54,066 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-08-30 22:26:54,066 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-30 22:26:54,067 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-30 22:26:54,067 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-30 22:26:54,067 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-30 22:26:54,067 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-30 22:26:54,067 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-30 22:26:54,067 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-30 22:26:54,067 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 22:26:54,068 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-30 22:26:54,068 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-30 22:26:54,068 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-30 22:26:54,069 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2023-08-30 22:26:54,070 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-08-30 22:26:54,070 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-30 22:26:54,070 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-30 22:26:54,070 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-30 22:26:54,070 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-30 22:26:54,071 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2023-08-30 22:26:54,071 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-30 22:26:54,071 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 80799f6c8fd7356eb24d2cdce2b9813d505d1c320a66d664e71d3261c3c21a3d Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> DEFORE [2023-08-30 22:26:54,387 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-30 22:26:54,402 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-30 22:26:54,404 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-30 22:26:54,405 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-30 22:26:54,405 INFO L275 PluginConnector]: CDTParser initialized [2023-08-30 22:26:54,406 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe026_tso.i [2023-08-30 22:26:55,642 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-30 22:26:55,935 INFO L351 CDTParser]: Found 1 translation units. [2023-08-30 22:26:55,938 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe026_tso.i [2023-08-30 22:26:55,962 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/852490a43/e5e2d563236741309ee91a6ad5c5bfbb/FLAGae7717d2e [2023-08-30 22:26:55,982 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/852490a43/e5e2d563236741309ee91a6ad5c5bfbb [2023-08-30 22:26:55,984 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-30 22:26:55,985 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-30 22:26:55,986 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-30 22:26:55,986 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-30 22:26:55,989 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-30 22:26:55,990 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 10:26:55" (1/1) ... [2023-08-30 22:26:55,992 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69f25396 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:26:55, skipping insertion in model container [2023-08-30 22:26:55,992 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 10:26:55" (1/1) ... [2023-08-30 22:26:55,997 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-30 22:26:56,035 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-30 22:26:56,160 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 22:26:56,339 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 22:26:56,352 INFO L203 MainTranslator]: Completed pre-run [2023-08-30 22:26:56,366 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 22:26:56,394 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 22:26:56,422 WARN L667 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 22:26:56,423 WARN L667 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 22:26:56,428 INFO L208 MainTranslator]: Completed translation [2023-08-30 22:26:56,429 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:26:56 WrapperNode [2023-08-30 22:26:56,429 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-30 22:26:56,430 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-30 22:26:56,430 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-30 22:26:56,430 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-30 22:26:56,436 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:26:56" (1/1) ... [2023-08-30 22:26:56,457 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:26:56" (1/1) ... [2023-08-30 22:26:56,485 INFO L138 Inliner]: procedures = 179, calls = 51, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 71 [2023-08-30 22:26:56,486 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-30 22:26:56,486 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-30 22:26:56,487 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-30 22:26:56,487 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-30 22:26:56,493 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:26:56" (1/1) ... [2023-08-30 22:26:56,493 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:26:56" (1/1) ... [2023-08-30 22:26:56,496 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:26:56" (1/1) ... [2023-08-30 22:26:56,505 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:26:56" (1/1) ... [2023-08-30 22:26:56,513 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:26:56" (1/1) ... [2023-08-30 22:26:56,514 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:26:56" (1/1) ... [2023-08-30 22:26:56,517 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:26:56" (1/1) ... [2023-08-30 22:26:56,524 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:26:56" (1/1) ... [2023-08-30 22:26:56,527 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-30 22:26:56,531 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-30 22:26:56,531 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-30 22:26:56,531 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-30 22:26:56,532 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:26:56" (1/1) ... [2023-08-30 22:26:56,536 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 22:26:56,547 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-30 22:26:56,557 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-08-30 22:26:56,559 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-08-30 22:26:56,586 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-08-30 22:26:56,586 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-30 22:26:56,586 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-30 22:26:56,586 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-30 22:26:56,586 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-08-30 22:26:56,587 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-08-30 22:26:56,587 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2023-08-30 22:26:56,587 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2023-08-30 22:26:56,587 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2023-08-30 22:26:56,587 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2023-08-30 22:26:56,587 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2023-08-30 22:26:56,587 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2023-08-30 22:26:56,588 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-08-30 22:26:56,588 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-30 22:26:56,588 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-30 22:26:56,589 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-08-30 22:26:56,698 INFO L236 CfgBuilder]: Building ICFG [2023-08-30 22:26:56,700 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-30 22:26:56,877 INFO L277 CfgBuilder]: Performing block encoding [2023-08-30 22:26:56,883 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-30 22:26:56,883 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-08-30 22:26:56,885 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 10:26:56 BoogieIcfgContainer [2023-08-30 22:26:56,885 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-30 22:26:56,887 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-30 22:26:56,887 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-30 22:26:56,890 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-30 22:26:56,890 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.08 10:26:55" (1/3) ... [2023-08-30 22:26:56,892 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a1e1a7a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 10:26:56, skipping insertion in model container [2023-08-30 22:26:56,892 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:26:56" (2/3) ... [2023-08-30 22:26:56,893 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a1e1a7a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 10:26:56, skipping insertion in model container [2023-08-30 22:26:56,893 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 10:26:56" (3/3) ... [2023-08-30 22:26:56,894 INFO L112 eAbstractionObserver]: Analyzing ICFG safe026_tso.i [2023-08-30 22:26:56,901 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-30 22:26:56,909 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-30 22:26:56,910 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-08-30 22:26:56,910 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-30 22:26:57,033 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-08-30 22:26:57,039 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.IllegalArgumentException: No enum constant de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TraceAbstractionPreferenceInitializer.InsufficientError.DEFORE at java.base/java.lang.Enum.valueOf(Enum.java:240) at de.uni_freiburg.informatik.ultimate.core.preferences.RcpPreferenceProvider.getEnum(RcpPreferenceProvider.java:117) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TAPreferences.insufficientThreadErrorsVsProgramErrors(TAPreferences.java:218) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.partitionErrorLocations(TraceAbstractionStarter.java:394) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:280) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:225) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:173) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-08-30 22:26:57,048 INFO L158 Benchmark]: Toolchain (without parser) took 1061.61ms. Allocated memory is still 90.2MB. Free memory was 66.8MB in the beginning and 45.3MB in the end (delta: 21.4MB). Peak memory consumption was 22.7MB. Max. memory is 16.1GB. [2023-08-30 22:26:57,049 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 60.8MB. Free memory is still 38.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-08-30 22:26:57,050 INFO L158 Benchmark]: CACSL2BoogieTranslator took 443.14ms. Allocated memory is still 90.2MB. Free memory was 66.5MB in the beginning and 45.4MB in the end (delta: 21.1MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-08-30 22:26:57,050 INFO L158 Benchmark]: Boogie Procedure Inliner took 56.14ms. Allocated memory is still 90.2MB. Free memory was 45.4MB in the beginning and 43.2MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-30 22:26:57,051 INFO L158 Benchmark]: Boogie Preprocessor took 40.80ms. Allocated memory is still 90.2MB. Free memory was 43.2MB in the beginning and 68.9MB in the end (delta: -25.7MB). Peak memory consumption was 5.9MB. Max. memory is 16.1GB. [2023-08-30 22:26:57,051 INFO L158 Benchmark]: RCFGBuilder took 354.69ms. Allocated memory is still 90.2MB. Free memory was 68.9MB in the beginning and 54.2MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-08-30 22:26:57,052 INFO L158 Benchmark]: TraceAbstraction took 159.14ms. Allocated memory is still 90.2MB. Free memory was 53.4MB in the beginning and 45.3MB in the end (delta: 8.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-08-30 22:26:57,056 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 60.8MB. Free memory is still 38.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 443.14ms. Allocated memory is still 90.2MB. Free memory was 66.5MB in the beginning and 45.4MB in the end (delta: 21.1MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 56.14ms. Allocated memory is still 90.2MB. Free memory was 45.4MB in the beginning and 43.2MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 40.80ms. Allocated memory is still 90.2MB. Free memory was 43.2MB in the beginning and 68.9MB in the end (delta: -25.7MB). Peak memory consumption was 5.9MB. Max. memory is 16.1GB. * RCFGBuilder took 354.69ms. Allocated memory is still 90.2MB. Free memory was 68.9MB in the beginning and 54.2MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 159.14ms. Allocated memory is still 90.2MB. Free memory was 53.4MB in the beginning and 45.3MB in the end (delta: 8.1MB). 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 22:26:57,077 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