./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/no-overflow.prp --file ../../../trunk/examples/svcomp/pthread/stack-2.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/stack-2.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 1c5d098180a5596f0a60d3177354c69a5ee6da68b8191dc75b6c33b291ef0421 --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 12:17:07,459 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-30 12:17:07,462 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-30 12:17:07,504 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-30 12:17:07,507 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-30 12:17:07,510 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-30 12:17:07,511 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-30 12:17:07,518 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-30 12:17:07,520 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-30 12:17:07,525 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-30 12:17:07,526 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-30 12:17:07,528 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-30 12:17:07,529 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-30 12:17:07,531 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-30 12:17:07,532 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-30 12:17:07,535 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-30 12:17:07,536 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-30 12:17:07,538 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-30 12:17:07,539 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-30 12:17:07,544 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-30 12:17:07,546 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-30 12:17:07,547 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-30 12:17:07,547 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-30 12:17:07,548 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-30 12:17:07,555 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-30 12:17:07,555 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-30 12:17:07,555 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-30 12:17:07,557 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-30 12:17:07,557 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-30 12:17:07,558 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-30 12:17:07,558 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-30 12:17:07,564 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-30 12:17:07,566 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-30 12:17:07,567 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-30 12:17:07,567 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-30 12:17:07,568 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-30 12:17:07,568 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-30 12:17:07,568 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-30 12:17:07,569 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-30 12:17:07,569 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-30 12:17:07,570 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-30 12:17:07,571 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2023-08-30 12:17:07,605 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-30 12:17:07,605 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-30 12:17:07,606 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-30 12:17:07,607 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-30 12:17:07,608 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-30 12:17:07,608 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-30 12:17:07,608 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-30 12:17:07,609 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-30 12:17:07,609 INFO L138 SettingsManager]: * Use SBE=true [2023-08-30 12:17:07,609 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-30 12:17:07,610 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-30 12:17:07,610 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-30 12:17:07,610 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-30 12:17:07,610 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-30 12:17:07,611 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-30 12:17:07,611 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-30 12:17:07,611 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-30 12:17:07,611 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-30 12:17:07,611 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2023-08-30 12:17:07,612 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-30 12:17:07,612 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-30 12:17:07,612 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-30 12:17:07,612 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-30 12:17:07,612 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-30 12:17:07,612 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-30 12:17:07,613 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-30 12:17:07,613 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 12:17:07,613 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-30 12:17:07,613 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-30 12:17:07,614 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-30 12:17:07,614 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-30 12:17:07,614 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-30 12:17:07,614 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-30 12:17:07,614 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-30 12:17:07,615 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-30 12:17:07,615 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-30 12:17:07,615 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-30 12:17:07,615 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1c5d098180a5596f0a60d3177354c69a5ee6da68b8191dc75b6c33b291ef0421 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> DEFORE [2023-08-30 12:17:07,928 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-30 12:17:07,951 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-30 12:17:07,954 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-30 12:17:07,955 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-30 12:17:07,956 INFO L275 PluginConnector]: CDTParser initialized [2023-08-30 12:17:07,957 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread/stack-2.i [2023-08-30 12:17:09,085 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-30 12:17:09,323 INFO L351 CDTParser]: Found 1 translation units. [2023-08-30 12:17:09,325 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/stack-2.i [2023-08-30 12:17:09,337 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2cef5cd23/43f2043f1d484867abaa213b6b728ba8/FLAG6d29b2522 [2023-08-30 12:17:09,353 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2cef5cd23/43f2043f1d484867abaa213b6b728ba8 [2023-08-30 12:17:09,355 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-30 12:17:09,356 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-30 12:17:09,358 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-30 12:17:09,358 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-30 12:17:09,362 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-30 12:17:09,363 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 12:17:09" (1/1) ... [2023-08-30 12:17:09,364 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66bf8023 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:17:09, skipping insertion in model container [2023-08-30 12:17:09,365 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 12:17:09" (1/1) ... [2023-08-30 12:17:09,371 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-30 12:17:09,432 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-30 12:17:09,875 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/stack-2.i[41520,41533] [2023-08-30 12:17:09,912 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 12:17:09,928 INFO L203 MainTranslator]: Completed pre-run [2023-08-30 12:17:09,963 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/stack-2.i[41520,41533] [2023-08-30 12:17:09,991 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 12:17:10,058 INFO L208 MainTranslator]: Completed translation [2023-08-30 12:17:10,058 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:17:10 WrapperNode [2023-08-30 12:17:10,058 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-30 12:17:10,059 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-30 12:17:10,060 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-30 12:17:10,060 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-30 12:17:10,066 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:17:10" (1/1) ... [2023-08-30 12:17:10,092 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:17:10" (1/1) ... [2023-08-30 12:17:10,142 INFO L138 Inliner]: procedures = 277, calls = 44, calls flagged for inlining = 12, calls inlined = 12, statements flattened = 168 [2023-08-30 12:17:10,142 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-30 12:17:10,144 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-30 12:17:10,144 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-30 12:17:10,144 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-30 12:17:10,152 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:17:10" (1/1) ... [2023-08-30 12:17:10,152 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:17:10" (1/1) ... [2023-08-30 12:17:10,169 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:17:10" (1/1) ... [2023-08-30 12:17:10,170 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:17:10" (1/1) ... [2023-08-30 12:17:10,176 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:17:10" (1/1) ... [2023-08-30 12:17:10,187 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:17:10" (1/1) ... [2023-08-30 12:17:10,190 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:17:10" (1/1) ... [2023-08-30 12:17:10,198 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:17:10" (1/1) ... [2023-08-30 12:17:10,201 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-30 12:17:10,202 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-30 12:17:10,202 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-30 12:17:10,204 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-30 12:17:10,205 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:17:10" (1/1) ... [2023-08-30 12:17:10,212 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 12:17:10,223 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-30 12:17:10,238 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 12:17:10,260 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 12:17:10,273 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2023-08-30 12:17:10,274 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2023-08-30 12:17:10,274 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2023-08-30 12:17:10,274 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2023-08-30 12:17:10,274 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-30 12:17:10,274 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-30 12:17:10,275 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-30 12:17:10,275 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-30 12:17:10,275 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-08-30 12:17:10,275 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-30 12:17:10,275 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-30 12:17:10,275 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-30 12:17:10,275 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-30 12:17:10,277 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 12:17:10,429 INFO L236 CfgBuilder]: Building ICFG [2023-08-30 12:17:10,431 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-30 12:17:10,716 INFO L277 CfgBuilder]: Performing block encoding [2023-08-30 12:17:10,733 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-30 12:17:10,734 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-08-30 12:17:10,736 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 12:17:10 BoogieIcfgContainer [2023-08-30 12:17:10,736 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-30 12:17:10,738 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-30 12:17:10,738 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-30 12:17:10,746 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-30 12:17:10,746 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.08 12:17:09" (1/3) ... [2023-08-30 12:17:10,747 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@962bc71 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 12:17:10, skipping insertion in model container [2023-08-30 12:17:10,747 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:17:10" (2/3) ... [2023-08-30 12:17:10,747 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@962bc71 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 12:17:10, skipping insertion in model container [2023-08-30 12:17:10,748 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 12:17:10" (3/3) ... [2023-08-30 12:17:10,749 INFO L112 eAbstractionObserver]: Analyzing ICFG stack-2.i [2023-08-30 12:17:10,756 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-30 12:17:10,765 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-30 12:17:10,765 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2023-08-30 12:17:10,766 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-30 12:17:10,853 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-08-30 12:17:10,859 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 12:17:10,863 INFO L158 Benchmark]: Toolchain (without parser) took 1506.41ms. Allocated memory was 73.4MB in the beginning and 102.8MB in the end (delta: 29.4MB). Free memory was 48.3MB in the beginning and 67.1MB in the end (delta: -18.8MB). Peak memory consumption was 10.4MB. Max. memory is 16.1GB. [2023-08-30 12:17:10,864 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 58.7MB. Free memory is still 36.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-08-30 12:17:10,865 INFO L158 Benchmark]: CACSL2BoogieTranslator took 701.12ms. Allocated memory is still 73.4MB. Free memory was 48.1MB in the beginning and 35.4MB in the end (delta: 12.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-08-30 12:17:10,865 INFO L158 Benchmark]: Boogie Procedure Inliner took 83.13ms. Allocated memory is still 73.4MB. Free memory was 35.4MB in the beginning and 50.9MB in the end (delta: -15.5MB). Peak memory consumption was 4.8MB. Max. memory is 16.1GB. [2023-08-30 12:17:10,866 INFO L158 Benchmark]: Boogie Preprocessor took 57.69ms. Allocated memory is still 73.4MB. Free memory was 50.9MB in the beginning and 49.0MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-30 12:17:10,866 INFO L158 Benchmark]: RCFGBuilder took 533.98ms. Allocated memory was 73.4MB in the beginning and 102.8MB in the end (delta: 29.4MB). Free memory was 49.0MB in the beginning and 79.7MB in the end (delta: -30.7MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-08-30 12:17:10,867 INFO L158 Benchmark]: TraceAbstraction took 124.25ms. Allocated memory is still 102.8MB. Free memory was 79.0MB in the beginning and 67.1MB in the end (delta: 12.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-08-30 12:17:10,870 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 58.7MB. Free memory is still 36.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 701.12ms. Allocated memory is still 73.4MB. Free memory was 48.1MB in the beginning and 35.4MB in the end (delta: 12.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 83.13ms. Allocated memory is still 73.4MB. Free memory was 35.4MB in the beginning and 50.9MB in the end (delta: -15.5MB). Peak memory consumption was 4.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 57.69ms. Allocated memory is still 73.4MB. Free memory was 50.9MB in the beginning and 49.0MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 533.98ms. Allocated memory was 73.4MB in the beginning and 102.8MB in the end (delta: 29.4MB). Free memory was 49.0MB in the beginning and 79.7MB in the end (delta: -30.7MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * TraceAbstraction took 124.25ms. Allocated memory is still 102.8MB. Free memory was 79.0MB in the beginning and 67.1MB in the end (delta: 12.0MB). Peak memory consumption was 12.6MB. 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 12:17:10,887 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/stack-2.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 1c5d098180a5596f0a60d3177354c69a5ee6da68b8191dc75b6c33b291ef0421 --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 12:17:12,748 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-30 12:17:12,751 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-30 12:17:12,786 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-30 12:17:12,789 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-30 12:17:12,792 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-30 12:17:12,795 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-30 12:17:12,798 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-30 12:17:12,800 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-30 12:17:12,805 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-30 12:17:12,806 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-30 12:17:12,808 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-30 12:17:12,809 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-30 12:17:12,810 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-30 12:17:12,813 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-30 12:17:12,817 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-30 12:17:12,817 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-30 12:17:12,819 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-30 12:17:12,820 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-30 12:17:12,825 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-30 12:17:12,826 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-30 12:17:12,836 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-30 12:17:12,837 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-30 12:17:12,838 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-30 12:17:12,845 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-30 12:17:12,845 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-30 12:17:12,845 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-30 12:17:12,847 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-30 12:17:12,848 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-30 12:17:12,848 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-30 12:17:12,849 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-30 12:17:12,855 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-30 12:17:12,856 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-30 12:17:12,857 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-30 12:17:12,858 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-30 12:17:12,858 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-30 12:17:12,858 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-30 12:17:12,859 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-30 12:17:12,859 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-30 12:17:12,860 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-30 12:17:12,860 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-30 12:17:12,862 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Bitvector.epf [2023-08-30 12:17:12,895 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-30 12:17:12,895 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-30 12:17:12,897 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-30 12:17:12,897 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-30 12:17:12,898 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-30 12:17:12,898 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-30 12:17:12,899 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-30 12:17:12,899 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-30 12:17:12,899 INFO L138 SettingsManager]: * Use SBE=true [2023-08-30 12:17:12,899 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-30 12:17:12,900 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-30 12:17:12,900 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-30 12:17:12,901 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-30 12:17:12,901 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-30 12:17:12,901 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-30 12:17:12,901 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-30 12:17:12,901 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-30 12:17:12,902 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-08-30 12:17:12,902 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2023-08-30 12:17:12,902 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2023-08-30 12:17:12,902 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-08-30 12:17:12,903 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-30 12:17:12,903 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-30 12:17:12,903 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-30 12:17:12,903 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-30 12:17:12,904 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-30 12:17:12,904 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-30 12:17:12,904 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-30 12:17:12,904 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 12:17:12,905 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-30 12:17:12,905 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-30 12:17:12,905 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-30 12:17:12,905 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2023-08-30 12:17:12,906 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-08-30 12:17:12,906 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-30 12:17:12,906 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-30 12:17:12,906 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-30 12:17:12,906 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-30 12:17:12,907 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2023-08-30 12:17:12,907 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-30 12:17:12,907 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1c5d098180a5596f0a60d3177354c69a5ee6da68b8191dc75b6c33b291ef0421 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> DEFORE [2023-08-30 12:17:13,229 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-30 12:17:13,246 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-30 12:17:13,249 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-30 12:17:13,250 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-30 12:17:13,250 INFO L275 PluginConnector]: CDTParser initialized [2023-08-30 12:17:13,251 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread/stack-2.i [2023-08-30 12:17:14,455 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-30 12:17:14,703 INFO L351 CDTParser]: Found 1 translation units. [2023-08-30 12:17:14,704 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/stack-2.i [2023-08-30 12:17:14,716 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/08e23a119/8e3218b8691f4392a9ee4385e57a86ef/FLAG44fe536cd [2023-08-30 12:17:14,731 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/08e23a119/8e3218b8691f4392a9ee4385e57a86ef [2023-08-30 12:17:14,734 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-30 12:17:14,735 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-30 12:17:14,736 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-30 12:17:14,736 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-30 12:17:14,741 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-30 12:17:14,742 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 12:17:14" (1/1) ... [2023-08-30 12:17:14,743 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a3409ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:17:14, skipping insertion in model container [2023-08-30 12:17:14,743 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 12:17:14" (1/1) ... [2023-08-30 12:17:14,751 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-30 12:17:14,792 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-30 12:17:15,161 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/stack-2.i[41520,41533] [2023-08-30 12:17:15,189 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 12:17:15,204 INFO L203 MainTranslator]: Completed pre-run [2023-08-30 12:17:15,247 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/stack-2.i[41520,41533] [2023-08-30 12:17:15,255 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 12:17:15,326 INFO L208 MainTranslator]: Completed translation [2023-08-30 12:17:15,326 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:17:15 WrapperNode [2023-08-30 12:17:15,326 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-30 12:17:15,328 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-30 12:17:15,328 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-30 12:17:15,328 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-30 12:17:15,334 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:17:15" (1/1) ... [2023-08-30 12:17:15,351 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:17:15" (1/1) ... [2023-08-30 12:17:15,374 INFO L138 Inliner]: procedures = 281, calls = 44, calls flagged for inlining = 12, calls inlined = 12, statements flattened = 164 [2023-08-30 12:17:15,375 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-30 12:17:15,375 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-30 12:17:15,375 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-30 12:17:15,376 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-30 12:17:15,383 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:17:15" (1/1) ... [2023-08-30 12:17:15,384 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:17:15" (1/1) ... [2023-08-30 12:17:15,388 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:17:15" (1/1) ... [2023-08-30 12:17:15,388 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:17:15" (1/1) ... [2023-08-30 12:17:15,398 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:17:15" (1/1) ... [2023-08-30 12:17:15,405 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:17:15" (1/1) ... [2023-08-30 12:17:15,417 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:17:15" (1/1) ... [2023-08-30 12:17:15,419 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:17:15" (1/1) ... [2023-08-30 12:17:15,423 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-30 12:17:15,431 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-30 12:17:15,431 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-30 12:17:15,431 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-30 12:17:15,432 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:17:15" (1/1) ... [2023-08-30 12:17:15,438 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 12:17:15,451 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-30 12:17:15,465 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 12:17:15,471 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 12:17:15,497 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-08-30 12:17:15,497 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2023-08-30 12:17:15,497 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2023-08-30 12:17:15,497 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2023-08-30 12:17:15,497 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2023-08-30 12:17:15,498 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-30 12:17:15,498 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-30 12:17:15,498 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-08-30 12:17:15,498 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-08-30 12:17:15,498 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-08-30 12:17:15,498 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-08-30 12:17:15,498 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-30 12:17:15,498 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-30 12:17:15,499 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-30 12:17:15,500 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 12:17:15,671 INFO L236 CfgBuilder]: Building ICFG [2023-08-30 12:17:15,686 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-30 12:17:15,943 INFO L277 CfgBuilder]: Performing block encoding [2023-08-30 12:17:15,950 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-30 12:17:15,951 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-08-30 12:17:15,953 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 12:17:15 BoogieIcfgContainer [2023-08-30 12:17:15,953 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-30 12:17:15,955 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-30 12:17:15,955 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-30 12:17:15,957 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-30 12:17:15,958 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.08 12:17:14" (1/3) ... [2023-08-30 12:17:15,958 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66c42fdc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 12:17:15, skipping insertion in model container [2023-08-30 12:17:15,958 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:17:15" (2/3) ... [2023-08-30 12:17:15,959 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66c42fdc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 12:17:15, skipping insertion in model container [2023-08-30 12:17:15,959 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 12:17:15" (3/3) ... [2023-08-30 12:17:15,960 INFO L112 eAbstractionObserver]: Analyzing ICFG stack-2.i [2023-08-30 12:17:15,967 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-30 12:17:15,976 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-30 12:17:15,976 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2023-08-30 12:17:15,976 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-30 12:17:16,085 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-08-30 12:17:16,091 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 12:17:16,095 INFO L158 Benchmark]: Toolchain (without parser) took 1359.62ms. Allocated memory was 79.7MB in the beginning and 96.5MB in the end (delta: 16.8MB). Free memory was 56.2MB in the beginning and 71.5MB in the end (delta: -15.4MB). Peak memory consumption was 32.7MB. Max. memory is 16.1GB. [2023-08-30 12:17:16,096 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 60.8MB. Free memory is still 38.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-08-30 12:17:16,096 INFO L158 Benchmark]: CACSL2BoogieTranslator took 591.03ms. Allocated memory is still 79.7MB. Free memory was 55.9MB in the beginning and 44.7MB in the end (delta: 11.3MB). Peak memory consumption was 22.4MB. Max. memory is 16.1GB. [2023-08-30 12:17:16,097 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.24ms. Allocated memory is still 79.7MB. Free memory was 44.7MB in the beginning and 41.9MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-30 12:17:16,097 INFO L158 Benchmark]: Boogie Preprocessor took 55.09ms. Allocated memory is still 79.7MB. Free memory was 41.9MB in the beginning and 39.4MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-30 12:17:16,098 INFO L158 Benchmark]: RCFGBuilder took 522.20ms. Allocated memory is still 79.7MB. Free memory was 39.4MB in the beginning and 44.1MB in the end (delta: -4.7MB). Peak memory consumption was 10.8MB. Max. memory is 16.1GB. [2023-08-30 12:17:16,099 INFO L158 Benchmark]: TraceAbstraction took 139.02ms. Allocated memory was 79.7MB in the beginning and 96.5MB in the end (delta: 16.8MB). Free memory was 43.7MB in the beginning and 71.5MB in the end (delta: -27.9MB). Peak memory consumption was 18.4MB. Max. memory is 16.1GB. [2023-08-30 12:17:16,102 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 60.8MB. Free memory is still 38.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 591.03ms. Allocated memory is still 79.7MB. Free memory was 55.9MB in the beginning and 44.7MB in the end (delta: 11.3MB). Peak memory consumption was 22.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 47.24ms. Allocated memory is still 79.7MB. Free memory was 44.7MB in the beginning and 41.9MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 55.09ms. Allocated memory is still 79.7MB. Free memory was 41.9MB in the beginning and 39.4MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 522.20ms. Allocated memory is still 79.7MB. Free memory was 39.4MB in the beginning and 44.1MB in the end (delta: -4.7MB). Peak memory consumption was 10.8MB. Max. memory is 16.1GB. * TraceAbstraction took 139.02ms. Allocated memory was 79.7MB in the beginning and 96.5MB in the end (delta: 16.8MB). Free memory was 43.7MB in the beginning and 71.5MB in the end (delta: -27.9MB). Peak memory consumption was 18.4MB. 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 12:17:16,119 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