./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/no-overflow.prp --file ../../../trunk/examples/svcomp/goblint-regression/28-race_reach_21-deref_read_racing.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/goblint-regression/28-race_reach_21-deref_read_racing.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 cb010ae024b402436affeb854f96a5f9e0df3d8ec2cfe8b3a7f33676b7169a2c --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 12:28:58,113 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-30 12:28:58,115 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-30 12:28:58,158 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-30 12:28:58,159 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-30 12:28:58,162 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-30 12:28:58,164 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-30 12:28:58,166 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-30 12:28:58,169 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-30 12:28:58,173 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-30 12:28:58,174 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-30 12:28:58,177 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-30 12:28:58,177 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-30 12:28:58,179 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-30 12:28:58,180 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-30 12:28:58,185 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-30 12:28:58,186 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-30 12:28:58,187 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-30 12:28:58,189 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-30 12:28:58,194 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-30 12:28:58,195 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-30 12:28:58,196 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-30 12:28:58,197 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-30 12:28:58,198 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-30 12:28:58,204 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-30 12:28:58,205 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-30 12:28:58,205 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-30 12:28:58,207 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-30 12:28:58,207 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-30 12:28:58,208 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-30 12:28:58,208 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-30 12:28:58,210 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-30 12:28:58,211 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-30 12:28:58,212 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-30 12:28:58,213 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-30 12:28:58,213 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-30 12:28:58,214 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-30 12:28:58,214 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-30 12:28:58,214 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-30 12:28:58,215 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-30 12:28:58,215 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-30 12:28:58,217 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2023-08-30 12:28:58,250 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-30 12:28:58,250 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-30 12:28:58,251 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-30 12:28:58,252 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-30 12:28:58,252 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-30 12:28:58,253 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-30 12:28:58,253 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-30 12:28:58,253 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-30 12:28:58,254 INFO L138 SettingsManager]: * Use SBE=true [2023-08-30 12:28:58,254 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-30 12:28:58,255 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-30 12:28:58,255 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-30 12:28:58,255 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-30 12:28:58,255 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-30 12:28:58,255 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-30 12:28:58,256 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-30 12:28:58,256 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-30 12:28:58,256 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-30 12:28:58,256 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2023-08-30 12:28:58,256 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-30 12:28:58,256 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-30 12:28:58,257 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-30 12:28:58,257 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-30 12:28:58,257 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-30 12:28:58,257 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-30 12:28:58,257 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-30 12:28:58,258 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 12:28:58,258 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-30 12:28:58,258 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-30 12:28:58,258 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-30 12:28:58,258 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-30 12:28:58,259 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-30 12:28:58,259 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-30 12:28:58,259 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-30 12:28:58,259 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-30 12:28:58,260 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-30 12:28:58,260 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-30 12:28:58,260 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cb010ae024b402436affeb854f96a5f9e0df3d8ec2cfe8b3a7f33676b7169a2c Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> DEFORE [2023-08-30 12:28:58,557 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-30 12:28:58,573 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-30 12:28:58,576 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-30 12:28:58,577 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-30 12:28:58,577 INFO L275 PluginConnector]: CDTParser initialized [2023-08-30 12:28:58,578 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/28-race_reach_21-deref_read_racing.i [2023-08-30 12:28:59,706 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-30 12:28:59,929 INFO L351 CDTParser]: Found 1 translation units. [2023-08-30 12:28:59,933 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_21-deref_read_racing.i [2023-08-30 12:28:59,946 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ffd01a367/e3f10b2e4a3842f589ba1eed3d3a9c0a/FLAGe8d604bd8 [2023-08-30 12:28:59,962 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ffd01a367/e3f10b2e4a3842f589ba1eed3d3a9c0a [2023-08-30 12:28:59,964 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-30 12:28:59,966 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-30 12:28:59,967 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-30 12:28:59,967 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-30 12:28:59,969 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-30 12:28:59,970 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 12:28:59" (1/1) ... [2023-08-30 12:28:59,971 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f2f0811 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:28:59, skipping insertion in model container [2023-08-30 12:28:59,972 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 12:28:59" (1/1) ... [2023-08-30 12:28:59,984 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-30 12:29:00,034 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-30 12:29:00,282 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_21-deref_read_racing.i[30176,30189] [2023-08-30 12:29:00,303 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 12:29:00,317 INFO L203 MainTranslator]: Completed pre-run [2023-08-30 12:29:00,355 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_21-deref_read_racing.i[30176,30189] [2023-08-30 12:29:00,372 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 12:29:00,415 INFO L208 MainTranslator]: Completed translation [2023-08-30 12:29:00,415 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:29:00 WrapperNode [2023-08-30 12:29:00,416 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-30 12:29:00,417 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-30 12:29:00,417 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-30 12:29:00,417 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-30 12:29:00,422 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:29:00" (1/1) ... [2023-08-30 12:29:00,448 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:29:00" (1/1) ... [2023-08-30 12:29:00,473 INFO L138 Inliner]: procedures = 170, calls = 35, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 67 [2023-08-30 12:29:00,473 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-30 12:29:00,474 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-30 12:29:00,474 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-30 12:29:00,474 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-30 12:29:00,481 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:29:00" (1/1) ... [2023-08-30 12:29:00,481 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:29:00" (1/1) ... [2023-08-30 12:29:00,489 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:29:00" (1/1) ... [2023-08-30 12:29:00,489 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:29:00" (1/1) ... [2023-08-30 12:29:00,496 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:29:00" (1/1) ... [2023-08-30 12:29:00,499 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:29:00" (1/1) ... [2023-08-30 12:29:00,500 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:29:00" (1/1) ... [2023-08-30 12:29:00,502 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:29:00" (1/1) ... [2023-08-30 12:29:00,504 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-30 12:29:00,504 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-30 12:29:00,504 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-30 12:29:00,505 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-30 12:29:00,505 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:29:00" (1/1) ... [2023-08-30 12:29:00,510 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 12:29:00,524 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-30 12:29:00,541 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 12:29:00,548 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 12:29:00,576 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-30 12:29:00,576 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-30 12:29:00,576 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-08-30 12:29:00,576 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-30 12:29:00,576 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-30 12:29:00,577 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2023-08-30 12:29:00,577 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2023-08-30 12:29:00,577 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-30 12:29:00,577 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-30 12:29:00,577 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-30 12:29:00,577 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-30 12:29:00,578 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 12:29:00,733 INFO L236 CfgBuilder]: Building ICFG [2023-08-30 12:29:00,735 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-30 12:29:01,014 INFO L277 CfgBuilder]: Performing block encoding [2023-08-30 12:29:01,021 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-30 12:29:01,023 INFO L302 CfgBuilder]: Removed 9 assume(true) statements. [2023-08-30 12:29:01,025 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 12:29:01 BoogieIcfgContainer [2023-08-30 12:29:01,026 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-30 12:29:01,028 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-30 12:29:01,028 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-30 12:29:01,031 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-30 12:29:01,031 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.08 12:28:59" (1/3) ... [2023-08-30 12:29:01,032 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43864257 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 12:29:01, skipping insertion in model container [2023-08-30 12:29:01,032 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:29:00" (2/3) ... [2023-08-30 12:29:01,032 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43864257 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 12:29:01, skipping insertion in model container [2023-08-30 12:29:01,033 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 12:29:01" (3/3) ... [2023-08-30 12:29:01,039 INFO L112 eAbstractionObserver]: Analyzing ICFG 28-race_reach_21-deref_read_racing.i [2023-08-30 12:29:01,047 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-30 12:29:01,056 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-30 12:29:01,056 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2023-08-30 12:29:01,056 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-30 12:29:01,138 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-08-30 12:29:01,145 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 12:29:01,151 INFO L158 Benchmark]: Toolchain (without parser) took 1183.99ms. Allocated memory was 60.8MB in the beginning and 73.4MB in the end (delta: 12.6MB). Free memory was 27.3MB in the beginning and 39.2MB in the end (delta: -11.9MB). Peak memory consumption was 1.5MB. Max. memory is 16.1GB. [2023-08-30 12:29:01,152 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 50.3MB. Free memory was 28.7MB in the beginning and 28.6MB in the end (delta: 52.4kB). There was no memory consumed. Max. memory is 16.1GB. [2023-08-30 12:29:01,152 INFO L158 Benchmark]: CACSL2BoogieTranslator took 449.28ms. Allocated memory is still 60.8MB. Free memory was 26.9MB in the beginning and 37.6MB in the end (delta: -10.7MB). Peak memory consumption was 5.5MB. Max. memory is 16.1GB. [2023-08-30 12:29:01,153 INFO L158 Benchmark]: Boogie Procedure Inliner took 56.81ms. Allocated memory is still 60.8MB. Free memory was 37.4MB in the beginning and 35.5MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. [2023-08-30 12:29:01,154 INFO L158 Benchmark]: Boogie Preprocessor took 29.65ms. Allocated memory is still 60.8MB. Free memory was 35.5MB in the beginning and 33.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-30 12:29:01,154 INFO L158 Benchmark]: RCFGBuilder took 521.40ms. Allocated memory was 60.8MB in the beginning and 73.4MB in the end (delta: 12.6MB). Free memory was 33.9MB in the beginning and 46.5MB in the end (delta: -12.6MB). Peak memory consumption was 12.7MB. Max. memory is 16.1GB. [2023-08-30 12:29:01,155 INFO L158 Benchmark]: TraceAbstraction took 121.32ms. Allocated memory is still 73.4MB. Free memory was 45.8MB in the beginning and 39.2MB in the end (delta: 6.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-08-30 12:29:01,162 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 50.3MB. Free memory was 28.7MB in the beginning and 28.6MB in the end (delta: 52.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 449.28ms. Allocated memory is still 60.8MB. Free memory was 26.9MB in the beginning and 37.6MB in the end (delta: -10.7MB). Peak memory consumption was 5.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 56.81ms. Allocated memory is still 60.8MB. Free memory was 37.4MB in the beginning and 35.5MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 29.65ms. Allocated memory is still 60.8MB. Free memory was 35.5MB in the beginning and 33.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 521.40ms. Allocated memory was 60.8MB in the beginning and 73.4MB in the end (delta: 12.6MB). Free memory was 33.9MB in the beginning and 46.5MB in the end (delta: -12.6MB). Peak memory consumption was 12.7MB. Max. memory is 16.1GB. * TraceAbstraction took 121.32ms. Allocated memory is still 73.4MB. Free memory was 45.8MB in the beginning and 39.2MB in the end (delta: 6.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: IllegalArgumentException: No enum constant de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TraceAbstractionPreferenceInitializer.InsufficientError.DEFORE de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: IllegalArgumentException: No enum constant de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TraceAbstractionPreferenceInitializer.InsufficientError.DEFORE: java.base/java.lang.Enum.valueOf(Enum.java:240) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-08-30 12:29:01,195 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/goblint-regression/28-race_reach_21-deref_read_racing.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 cb010ae024b402436affeb854f96a5f9e0df3d8ec2cfe8b3a7f33676b7169a2c --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 12:29:03,163 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-30 12:29:03,165 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-30 12:29:03,209 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-30 12:29:03,211 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-30 12:29:03,214 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-30 12:29:03,215 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-30 12:29:03,218 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-30 12:29:03,220 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-30 12:29:03,225 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-30 12:29:03,226 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-30 12:29:03,228 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-30 12:29:03,228 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-30 12:29:03,230 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-30 12:29:03,232 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-30 12:29:03,237 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-30 12:29:03,238 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-30 12:29:03,239 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-30 12:29:03,241 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-30 12:29:03,245 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-30 12:29:03,251 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-30 12:29:03,253 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-30 12:29:03,254 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-30 12:29:03,255 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-30 12:29:03,261 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-30 12:29:03,262 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-30 12:29:03,262 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-30 12:29:03,264 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-30 12:29:03,264 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-30 12:29:03,265 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-30 12:29:03,265 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-30 12:29:03,271 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-30 12:29:03,273 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-30 12:29:03,273 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-30 12:29:03,274 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-30 12:29:03,275 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-30 12:29:03,275 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-30 12:29:03,275 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-30 12:29:03,276 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-30 12:29:03,277 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-30 12:29:03,277 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-30 12:29:03,279 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Bitvector.epf [2023-08-30 12:29:03,314 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-30 12:29:03,314 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-30 12:29:03,316 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-30 12:29:03,316 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-30 12:29:03,317 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-30 12:29:03,317 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-30 12:29:03,317 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-30 12:29:03,318 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-30 12:29:03,318 INFO L138 SettingsManager]: * Use SBE=true [2023-08-30 12:29:03,318 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-30 12:29:03,319 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-30 12:29:03,319 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-30 12:29:03,319 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-30 12:29:03,319 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-30 12:29:03,320 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-30 12:29:03,320 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-30 12:29:03,320 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-30 12:29:03,320 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-08-30 12:29:03,320 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2023-08-30 12:29:03,321 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2023-08-30 12:29:03,321 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-08-30 12:29:03,321 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-30 12:29:03,321 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-30 12:29:03,321 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-30 12:29:03,322 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-30 12:29:03,322 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-30 12:29:03,322 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-30 12:29:03,322 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-30 12:29:03,322 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 12:29:03,323 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-30 12:29:03,323 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-30 12:29:03,323 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-30 12:29:03,323 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2023-08-30 12:29:03,323 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-08-30 12:29:03,324 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-30 12:29:03,324 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-30 12:29:03,324 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-30 12:29:03,324 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-30 12:29:03,324 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2023-08-30 12:29:03,325 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-30 12:29:03,325 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cb010ae024b402436affeb854f96a5f9e0df3d8ec2cfe8b3a7f33676b7169a2c Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> DEFORE [2023-08-30 12:29:03,672 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-30 12:29:03,688 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-30 12:29:03,690 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-30 12:29:03,691 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-30 12:29:03,691 INFO L275 PluginConnector]: CDTParser initialized [2023-08-30 12:29:03,692 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/28-race_reach_21-deref_read_racing.i [2023-08-30 12:29:04,928 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-30 12:29:05,176 INFO L351 CDTParser]: Found 1 translation units. [2023-08-30 12:29:05,176 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_21-deref_read_racing.i [2023-08-30 12:29:05,191 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4676cacd8/284ce38b7ad2464fb9fbd42a2cf3f1e3/FLAG26b23b828 [2023-08-30 12:29:05,203 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4676cacd8/284ce38b7ad2464fb9fbd42a2cf3f1e3 [2023-08-30 12:29:05,206 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-30 12:29:05,207 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-30 12:29:05,208 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-30 12:29:05,208 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-30 12:29:05,211 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-30 12:29:05,211 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 12:29:05" (1/1) ... [2023-08-30 12:29:05,212 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@506d8b40 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:29:05, skipping insertion in model container [2023-08-30 12:29:05,213 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 12:29:05" (1/1) ... [2023-08-30 12:29:05,218 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-30 12:29:05,264 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-30 12:29:05,555 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_21-deref_read_racing.i[30176,30189] [2023-08-30 12:29:05,580 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 12:29:05,596 INFO L203 MainTranslator]: Completed pre-run [2023-08-30 12:29:05,637 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_21-deref_read_racing.i[30176,30189] [2023-08-30 12:29:05,648 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 12:29:05,686 INFO L208 MainTranslator]: Completed translation [2023-08-30 12:29:05,686 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:29:05 WrapperNode [2023-08-30 12:29:05,686 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-30 12:29:05,687 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-30 12:29:05,688 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-30 12:29:05,688 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-30 12:29:05,693 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:29:05" (1/1) ... [2023-08-30 12:29:05,710 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:29:05" (1/1) ... [2023-08-30 12:29:05,728 INFO L138 Inliner]: procedures = 174, calls = 35, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 68 [2023-08-30 12:29:05,728 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-30 12:29:05,729 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-30 12:29:05,729 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-30 12:29:05,729 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-30 12:29:05,737 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:29:05" (1/1) ... [2023-08-30 12:29:05,737 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:29:05" (1/1) ... [2023-08-30 12:29:05,741 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:29:05" (1/1) ... [2023-08-30 12:29:05,741 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:29:05" (1/1) ... [2023-08-30 12:29:05,749 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:29:05" (1/1) ... [2023-08-30 12:29:05,753 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:29:05" (1/1) ... [2023-08-30 12:29:05,755 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:29:05" (1/1) ... [2023-08-30 12:29:05,756 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:29:05" (1/1) ... [2023-08-30 12:29:05,760 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-30 12:29:05,761 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-30 12:29:05,761 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-30 12:29:05,761 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-30 12:29:05,762 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:29:05" (1/1) ... [2023-08-30 12:29:05,773 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 12:29:05,794 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-30 12:29:05,811 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 12:29:05,821 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 12:29:05,852 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-08-30 12:29:05,853 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-08-30 12:29:05,853 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-30 12:29:05,853 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-30 12:29:05,853 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2023-08-30 12:29:05,853 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2023-08-30 12:29:05,853 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-30 12:29:05,853 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-08-30 12:29:05,854 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-08-30 12:29:05,854 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-08-30 12:29:05,854 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-30 12:29:05,854 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-30 12:29:05,855 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 12:29:06,026 INFO L236 CfgBuilder]: Building ICFG [2023-08-30 12:29:06,027 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-30 12:29:06,243 INFO L277 CfgBuilder]: Performing block encoding [2023-08-30 12:29:06,249 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-30 12:29:06,250 INFO L302 CfgBuilder]: Removed 9 assume(true) statements. [2023-08-30 12:29:06,251 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 12:29:06 BoogieIcfgContainer [2023-08-30 12:29:06,251 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-30 12:29:06,253 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-30 12:29:06,253 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-30 12:29:06,256 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-30 12:29:06,256 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.08 12:29:05" (1/3) ... [2023-08-30 12:29:06,256 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10cd8847 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 12:29:06, skipping insertion in model container [2023-08-30 12:29:06,257 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:29:05" (2/3) ... [2023-08-30 12:29:06,257 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10cd8847 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 12:29:06, skipping insertion in model container [2023-08-30 12:29:06,257 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 12:29:06" (3/3) ... [2023-08-30 12:29:06,258 INFO L112 eAbstractionObserver]: Analyzing ICFG 28-race_reach_21-deref_read_racing.i [2023-08-30 12:29:06,265 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-30 12:29:06,274 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-30 12:29:06,274 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2023-08-30 12:29:06,274 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-30 12:29:06,330 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-08-30 12:29:06,336 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 12:29:06,345 INFO L158 Benchmark]: Toolchain (without parser) took 1137.00ms. Allocated memory was 65.0MB in the beginning and 81.8MB in the end (delta: 16.8MB). Free memory was 29.4MB in the beginning and 38.1MB in the end (delta: -8.7MB). Peak memory consumption was 7.7MB. Max. memory is 16.1GB. [2023-08-30 12:29:06,345 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 65.0MB. Free memory was 42.8MB in the beginning and 42.8MB in the end (delta: 47.0kB). There was no memory consumed. Max. memory is 16.1GB. [2023-08-30 12:29:06,346 INFO L158 Benchmark]: CACSL2BoogieTranslator took 478.68ms. Allocated memory was 65.0MB in the beginning and 81.8MB in the end (delta: 16.8MB). Free memory was 29.3MB in the beginning and 44.6MB in the end (delta: -15.4MB). Peak memory consumption was 5.7MB. Max. memory is 16.1GB. [2023-08-30 12:29:06,347 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.10ms. Allocated memory is still 81.8MB. Free memory was 44.6MB in the beginning and 42.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-30 12:29:06,348 INFO L158 Benchmark]: Boogie Preprocessor took 30.83ms. Allocated memory is still 81.8MB. Free memory was 42.5MB in the beginning and 40.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-30 12:29:06,348 INFO L158 Benchmark]: RCFGBuilder took 490.98ms. Allocated memory is still 81.8MB. Free memory was 40.4MB in the beginning and 47.2MB in the end (delta: -6.8MB). Peak memory consumption was 6.2MB. Max. memory is 16.1GB. [2023-08-30 12:29:06,349 INFO L158 Benchmark]: TraceAbstraction took 90.28ms. Allocated memory is still 81.8MB. Free memory was 46.5MB in the beginning and 38.1MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-08-30 12:29:06,357 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 65.0MB. Free memory was 42.8MB in the beginning and 42.8MB in the end (delta: 47.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 478.68ms. Allocated memory was 65.0MB in the beginning and 81.8MB in the end (delta: 16.8MB). Free memory was 29.3MB in the beginning and 44.6MB in the end (delta: -15.4MB). Peak memory consumption was 5.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 41.10ms. Allocated memory is still 81.8MB. Free memory was 44.6MB in the beginning and 42.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 30.83ms. Allocated memory is still 81.8MB. Free memory was 42.5MB in the beginning and 40.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 490.98ms. Allocated memory is still 81.8MB. Free memory was 40.4MB in the beginning and 47.2MB in the end (delta: -6.8MB). Peak memory consumption was 6.2MB. Max. memory is 16.1GB. * TraceAbstraction took 90.28ms. Allocated memory is still 81.8MB. Free memory was 46.5MB in the beginning and 38.1MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: IllegalArgumentException: No enum constant de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TraceAbstractionPreferenceInitializer.InsufficientError.DEFORE de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: IllegalArgumentException: No enum constant de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TraceAbstractionPreferenceInitializer.InsufficientError.DEFORE: java.base/java.lang.Enum.valueOf(Enum.java:240) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-08-30 12:29:06,378 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: IllegalArgumentException: No enum constant de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TraceAbstractionPreferenceInitializer.InsufficientError.DEFORE