./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/no-overflow.prp --file ../../../trunk/examples/svcomp/goblint-regression/36-apron_21-traces-cluster-based_true.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/36-apron_21-traces-cluster-based_true.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 cec155e54548239c459fec40910e358deb5fad2ceffa658bfdeefddd1bc9e166 --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 12:30:00,926 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-30 12:30:00,927 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-30 12:30:00,961 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-30 12:30:00,963 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-30 12:30:00,966 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-30 12:30:00,967 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-30 12:30:00,969 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-30 12:30:00,971 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-30 12:30:00,975 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-30 12:30:00,976 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-30 12:30:00,978 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-30 12:30:00,978 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-30 12:30:00,980 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-30 12:30:00,981 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-30 12:30:00,984 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-30 12:30:00,986 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-30 12:30:00,986 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-30 12:30:00,988 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-30 12:30:00,989 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-30 12:30:00,992 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-30 12:30:00,993 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-30 12:30:01,001 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-30 12:30:01,002 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-30 12:30:01,004 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-30 12:30:01,004 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-30 12:30:01,004 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-30 12:30:01,006 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-30 12:30:01,006 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-30 12:30:01,006 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-30 12:30:01,007 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-30 12:30:01,007 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-30 12:30:01,007 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-30 12:30:01,009 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-30 12:30:01,010 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-30 12:30:01,010 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-30 12:30:01,010 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-30 12:30:01,010 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-30 12:30:01,010 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-30 12:30:01,011 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-30 12:30:01,011 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-30 12:30:01,013 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2023-08-30 12:30:01,040 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-30 12:30:01,041 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-30 12:30:01,041 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-30 12:30:01,042 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-30 12:30:01,042 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-30 12:30:01,042 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-30 12:30:01,043 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-30 12:30:01,043 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-30 12:30:01,043 INFO L138 SettingsManager]: * Use SBE=true [2023-08-30 12:30:01,043 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-30 12:30:01,043 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-30 12:30:01,044 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-30 12:30:01,044 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-30 12:30:01,044 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-30 12:30:01,044 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-30 12:30:01,044 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-30 12:30:01,044 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-30 12:30:01,044 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-30 12:30:01,044 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2023-08-30 12:30:01,044 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-30 12:30:01,044 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-30 12:30:01,045 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-30 12:30:01,045 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-30 12:30:01,045 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-30 12:30:01,045 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-30 12:30:01,045 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-30 12:30:01,045 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 12:30:01,045 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-30 12:30:01,045 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-30 12:30:01,045 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-30 12:30:01,045 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-30 12:30:01,046 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-30 12:30:01,046 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-30 12:30:01,046 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-30 12:30:01,046 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-30 12:30:01,046 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-30 12:30:01,046 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-30 12:30:01,046 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cec155e54548239c459fec40910e358deb5fad2ceffa658bfdeefddd1bc9e166 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> DEFORE [2023-08-30 12:30:01,283 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-30 12:30:01,298 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-30 12:30:01,300 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-30 12:30:01,301 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-30 12:30:01,301 INFO L275 PluginConnector]: CDTParser initialized [2023-08-30 12:30:01,302 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/36-apron_21-traces-cluster-based_true.i [2023-08-30 12:30:02,209 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-30 12:30:02,384 INFO L351 CDTParser]: Found 1 translation units. [2023-08-30 12:30:02,384 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/36-apron_21-traces-cluster-based_true.i [2023-08-30 12:30:02,391 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d87c67b3a/89dea942f56848b2aae7fe024d884343/FLAG275de85f3 [2023-08-30 12:30:02,407 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d87c67b3a/89dea942f56848b2aae7fe024d884343 [2023-08-30 12:30:02,408 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-30 12:30:02,409 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-30 12:30:02,410 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-30 12:30:02,410 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-30 12:30:02,412 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-30 12:30:02,413 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 12:30:02" (1/1) ... [2023-08-30 12:30:02,413 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2057bde8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:30:02, skipping insertion in model container [2023-08-30 12:30:02,414 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 12:30:02" (1/1) ... [2023-08-30 12:30:02,418 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-30 12:30:02,441 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-30 12:30:02,546 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/36-apron_21-traces-cluster-based_true.i[1092,1105] [2023-08-30 12:30:02,631 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 12:30:02,639 INFO L203 MainTranslator]: Completed pre-run [2023-08-30 12:30:02,647 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/36-apron_21-traces-cluster-based_true.i[1092,1105] [2023-08-30 12:30:02,694 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 12:30:02,730 INFO L208 MainTranslator]: Completed translation [2023-08-30 12:30:02,731 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:30:02 WrapperNode [2023-08-30 12:30:02,731 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-30 12:30:02,732 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-30 12:30:02,732 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-30 12:30:02,732 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-30 12:30:02,736 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:30:02" (1/1) ... [2023-08-30 12:30:02,759 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:30:02" (1/1) ... [2023-08-30 12:30:02,786 INFO L138 Inliner]: procedures = 165, calls = 45, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 135 [2023-08-30 12:30:02,787 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-30 12:30:02,788 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-30 12:30:02,788 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-30 12:30:02,788 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-30 12:30:02,794 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:30:02" (1/1) ... [2023-08-30 12:30:02,794 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:30:02" (1/1) ... [2023-08-30 12:30:02,809 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:30:02" (1/1) ... [2023-08-30 12:30:02,809 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:30:02" (1/1) ... [2023-08-30 12:30:02,812 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:30:02" (1/1) ... [2023-08-30 12:30:02,821 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:30:02" (1/1) ... [2023-08-30 12:30:02,822 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:30:02" (1/1) ... [2023-08-30 12:30:02,823 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:30:02" (1/1) ... [2023-08-30 12:30:02,825 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-30 12:30:02,825 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-30 12:30:02,831 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-30 12:30:02,831 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-30 12:30:02,832 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:30:02" (1/1) ... [2023-08-30 12:30:02,836 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 12:30:02,845 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-30 12:30:02,855 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 12:30:02,864 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 12:30:02,885 INFO L130 BoogieDeclarations]: Found specification of procedure t2_fun [2023-08-30 12:30:02,886 INFO L138 BoogieDeclarations]: Found implementation of procedure t2_fun [2023-08-30 12:30:02,887 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-30 12:30:02,887 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-08-30 12:30:02,887 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-30 12:30:02,887 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-30 12:30:02,887 INFO L130 BoogieDeclarations]: Found specification of procedure t3_fun [2023-08-30 12:30:02,887 INFO L138 BoogieDeclarations]: Found implementation of procedure t3_fun [2023-08-30 12:30:02,887 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2023-08-30 12:30:02,888 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2023-08-30 12:30:02,888 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-30 12:30:02,888 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-30 12:30:02,888 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-30 12:30:02,888 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-30 12:30:02,889 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 12:30:03,012 INFO L236 CfgBuilder]: Building ICFG [2023-08-30 12:30:03,013 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-30 12:30:03,195 INFO L277 CfgBuilder]: Performing block encoding [2023-08-30 12:30:03,200 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-30 12:30:03,201 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-08-30 12:30:03,205 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 12:30:03 BoogieIcfgContainer [2023-08-30 12:30:03,205 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-30 12:30:03,206 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-30 12:30:03,207 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-30 12:30:03,209 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-30 12:30:03,210 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.08 12:30:02" (1/3) ... [2023-08-30 12:30:03,210 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14f83eab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 12:30:03, skipping insertion in model container [2023-08-30 12:30:03,210 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:30:02" (2/3) ... [2023-08-30 12:30:03,211 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14f83eab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 12:30:03, skipping insertion in model container [2023-08-30 12:30:03,211 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 12:30:03" (3/3) ... [2023-08-30 12:30:03,212 INFO L112 eAbstractionObserver]: Analyzing ICFG 36-apron_21-traces-cluster-based_true.i [2023-08-30 12:30:03,217 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-30 12:30:03,223 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-30 12:30:03,223 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2023-08-30 12:30:03,224 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-30 12:30:03,297 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-08-30 12:30:03,303 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 12:30:03,307 INFO L158 Benchmark]: Toolchain (without parser) took 897.12ms. Allocated memory is still 94.4MB. Free memory was 70.2MB in the beginning and 43.7MB in the end (delta: 26.5MB). Peak memory consumption was 29.2MB. Max. memory is 16.1GB. [2023-08-30 12:30:03,307 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 60.8MB. Free memory is still 38.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-08-30 12:30:03,308 INFO L158 Benchmark]: CACSL2BoogieTranslator took 321.25ms. Allocated memory is still 94.4MB. Free memory was 70.2MB in the beginning and 50.4MB in the end (delta: 19.8MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-08-30 12:30:03,309 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.07ms. Allocated memory is still 94.4MB. Free memory was 50.4MB in the beginning and 73.1MB in the end (delta: -22.7MB). Peak memory consumption was 6.1MB. Max. memory is 16.1GB. [2023-08-30 12:30:03,309 INFO L158 Benchmark]: Boogie Preprocessor took 37.42ms. Allocated memory is still 94.4MB. Free memory was 73.1MB in the beginning and 71.5MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-30 12:30:03,310 INFO L158 Benchmark]: RCFGBuilder took 379.63ms. Allocated memory is still 94.4MB. Free memory was 71.5MB in the beginning and 54.2MB in the end (delta: 17.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-08-30 12:30:03,311 INFO L158 Benchmark]: TraceAbstraction took 99.52ms. Allocated memory is still 94.4MB. Free memory was 53.5MB in the beginning and 43.7MB in the end (delta: 9.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-08-30 12:30:03,316 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 60.8MB. Free memory is still 38.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 321.25ms. Allocated memory is still 94.4MB. Free memory was 70.2MB in the beginning and 50.4MB in the end (delta: 19.8MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 55.07ms. Allocated memory is still 94.4MB. Free memory was 50.4MB in the beginning and 73.1MB in the end (delta: -22.7MB). Peak memory consumption was 6.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 37.42ms. Allocated memory is still 94.4MB. Free memory was 73.1MB in the beginning and 71.5MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 379.63ms. Allocated memory is still 94.4MB. Free memory was 71.5MB in the beginning and 54.2MB in the end (delta: 17.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 99.52ms. Allocated memory is still 94.4MB. Free memory was 53.5MB in the beginning and 43.7MB in the end (delta: 9.9MB). Peak memory consumption was 10.5MB. 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 12:30:03,336 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../../../trunk/examples/svcomp/goblint-regression/36-apron_21-traces-cluster-based_true.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 cec155e54548239c459fec40910e358deb5fad2ceffa658bfdeefddd1bc9e166 --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 12:30:04,855 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-30 12:30:04,856 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-30 12:30:04,892 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-30 12:30:04,892 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-30 12:30:04,895 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-30 12:30:04,896 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-30 12:30:04,898 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-30 12:30:04,899 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-30 12:30:04,903 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-30 12:30:04,903 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-30 12:30:04,905 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-30 12:30:04,905 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-30 12:30:04,907 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-30 12:30:04,908 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-30 12:30:04,911 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-30 12:30:04,912 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-30 12:30:04,913 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-30 12:30:04,914 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-30 12:30:04,918 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-30 12:30:04,918 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-30 12:30:04,919 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-30 12:30:04,920 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-30 12:30:04,920 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-30 12:30:04,925 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-30 12:30:04,926 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-30 12:30:04,926 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-30 12:30:04,927 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-30 12:30:04,927 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-30 12:30:04,928 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-30 12:30:04,928 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-30 12:30:04,929 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-30 12:30:04,930 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-30 12:30:04,930 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-30 12:30:04,931 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-30 12:30:04,931 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-30 12:30:04,932 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-30 12:30:04,932 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-30 12:30:04,932 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-30 12:30:04,932 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-30 12:30:04,933 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-30 12:30:04,934 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Bitvector.epf [2023-08-30 12:30:04,959 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-30 12:30:04,959 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-30 12:30:04,960 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-30 12:30:04,960 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-30 12:30:04,961 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-30 12:30:04,961 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-30 12:30:04,961 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-30 12:30:04,961 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-30 12:30:04,962 INFO L138 SettingsManager]: * Use SBE=true [2023-08-30 12:30:04,962 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-30 12:30:04,962 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-30 12:30:04,962 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-30 12:30:04,963 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-30 12:30:04,963 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-30 12:30:04,963 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-30 12:30:04,963 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-30 12:30:04,963 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-30 12:30:04,963 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-08-30 12:30:04,963 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2023-08-30 12:30:04,964 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2023-08-30 12:30:04,964 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-08-30 12:30:04,964 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-30 12:30:04,964 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-30 12:30:04,964 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-30 12:30:04,964 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-30 12:30:04,965 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-30 12:30:04,965 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-30 12:30:04,965 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-30 12:30:04,965 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 12:30:04,965 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-30 12:30:04,965 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-30 12:30:04,965 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-30 12:30:04,966 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2023-08-30 12:30:04,966 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-08-30 12:30:04,966 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-30 12:30:04,966 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-30 12:30:04,966 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-30 12:30:04,966 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-30 12:30:04,967 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2023-08-30 12:30:04,967 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-30 12:30:04,967 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cec155e54548239c459fec40910e358deb5fad2ceffa658bfdeefddd1bc9e166 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> DEFORE [2023-08-30 12:30:05,195 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-30 12:30:05,206 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-30 12:30:05,209 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-30 12:30:05,209 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-30 12:30:05,209 INFO L275 PluginConnector]: CDTParser initialized [2023-08-30 12:30:05,210 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/36-apron_21-traces-cluster-based_true.i [2023-08-30 12:30:06,098 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-30 12:30:06,280 INFO L351 CDTParser]: Found 1 translation units. [2023-08-30 12:30:06,281 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/36-apron_21-traces-cluster-based_true.i [2023-08-30 12:30:06,290 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/69341bbe5/eb28001bda6245e49d66dcaec41117dd/FLAG0d9b83020 [2023-08-30 12:30:06,299 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/69341bbe5/eb28001bda6245e49d66dcaec41117dd [2023-08-30 12:30:06,300 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-30 12:30:06,301 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-30 12:30:06,302 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-30 12:30:06,304 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-30 12:30:06,306 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-30 12:30:06,307 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 12:30:06" (1/1) ... [2023-08-30 12:30:06,308 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46fe2f72 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:30:06, skipping insertion in model container [2023-08-30 12:30:06,308 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 12:30:06" (1/1) ... [2023-08-30 12:30:06,312 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-30 12:30:06,349 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-30 12:30:06,485 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/36-apron_21-traces-cluster-based_true.i[1092,1105] [2023-08-30 12:30:06,624 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 12:30:06,644 INFO L203 MainTranslator]: Completed pre-run [2023-08-30 12:30:06,652 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/36-apron_21-traces-cluster-based_true.i[1092,1105] [2023-08-30 12:30:06,682 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 12:30:06,719 INFO L208 MainTranslator]: Completed translation [2023-08-30 12:30:06,720 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:30:06 WrapperNode [2023-08-30 12:30:06,720 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-30 12:30:06,721 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-30 12:30:06,721 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-30 12:30:06,721 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-30 12:30:06,726 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:30:06" (1/1) ... [2023-08-30 12:30:06,754 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:30:06" (1/1) ... [2023-08-30 12:30:06,769 INFO L138 Inliner]: procedures = 169, calls = 45, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 130 [2023-08-30 12:30:06,770 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-30 12:30:06,770 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-30 12:30:06,770 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-30 12:30:06,770 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-30 12:30:06,776 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:30:06" (1/1) ... [2023-08-30 12:30:06,777 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:30:06" (1/1) ... [2023-08-30 12:30:06,791 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:30:06" (1/1) ... [2023-08-30 12:30:06,791 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:30:06" (1/1) ... [2023-08-30 12:30:06,798 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:30:06" (1/1) ... [2023-08-30 12:30:06,800 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:30:06" (1/1) ... [2023-08-30 12:30:06,801 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:30:06" (1/1) ... [2023-08-30 12:30:06,802 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:30:06" (1/1) ... [2023-08-30 12:30:06,805 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-30 12:30:06,805 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-30 12:30:06,805 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-30 12:30:06,805 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-30 12:30:06,806 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:30:06" (1/1) ... [2023-08-30 12:30:06,810 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 12:30:06,820 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-30 12:30:06,829 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 12:30:06,849 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 12:30:06,861 INFO L130 BoogieDeclarations]: Found specification of procedure t2_fun [2023-08-30 12:30:06,862 INFO L138 BoogieDeclarations]: Found implementation of procedure t2_fun [2023-08-30 12:30:06,862 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-08-30 12:30:06,862 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-30 12:30:06,862 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-30 12:30:06,862 INFO L130 BoogieDeclarations]: Found specification of procedure t3_fun [2023-08-30 12:30:06,862 INFO L138 BoogieDeclarations]: Found implementation of procedure t3_fun [2023-08-30 12:30:06,862 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2023-08-30 12:30:06,862 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2023-08-30 12:30:06,862 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-30 12:30:06,863 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-08-30 12:30:06,863 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-08-30 12:30:06,863 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-08-30 12:30:06,863 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-30 12:30:06,863 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-30 12:30:06,864 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 12:30:07,005 INFO L236 CfgBuilder]: Building ICFG [2023-08-30 12:30:07,007 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-30 12:30:07,261 INFO L277 CfgBuilder]: Performing block encoding [2023-08-30 12:30:07,267 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-30 12:30:07,267 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-08-30 12:30:07,268 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 12:30:07 BoogieIcfgContainer [2023-08-30 12:30:07,269 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-30 12:30:07,270 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-30 12:30:07,270 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-30 12:30:07,272 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-30 12:30:07,272 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.08 12:30:06" (1/3) ... [2023-08-30 12:30:07,272 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2bebd222 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 12:30:07, skipping insertion in model container [2023-08-30 12:30:07,273 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:30:06" (2/3) ... [2023-08-30 12:30:07,273 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2bebd222 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 12:30:07, skipping insertion in model container [2023-08-30 12:30:07,273 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 12:30:07" (3/3) ... [2023-08-30 12:30:07,274 INFO L112 eAbstractionObserver]: Analyzing ICFG 36-apron_21-traces-cluster-based_true.i [2023-08-30 12:30:07,279 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-30 12:30:07,285 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-30 12:30:07,286 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2023-08-30 12:30:07,286 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-30 12:30:07,361 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-08-30 12:30:07,368 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 12:30:07,375 INFO L158 Benchmark]: Toolchain (without parser) took 1072.72ms. Allocated memory is still 86.0MB. Free memory was 58.1MB in the beginning and 46.7MB in the end (delta: 11.4MB). Peak memory consumption was 12.3MB. Max. memory is 16.1GB. [2023-08-30 12:30:07,375 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 58.7MB. Free memory was 36.1MB in the beginning and 36.1MB in the end (delta: 42.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-08-30 12:30:07,375 INFO L158 Benchmark]: CACSL2BoogieTranslator took 418.11ms. Allocated memory is still 86.0MB. Free memory was 58.0MB in the beginning and 57.1MB in the end (delta: 868.6kB). Peak memory consumption was 17.1MB. Max. memory is 16.1GB. [2023-08-30 12:30:07,376 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.79ms. Allocated memory is still 86.0MB. Free memory was 57.1MB in the beginning and 54.7MB in the end (delta: 2.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-08-30 12:30:07,377 INFO L158 Benchmark]: Boogie Preprocessor took 34.70ms. Allocated memory is still 86.0MB. Free memory was 54.7MB in the beginning and 52.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-30 12:30:07,377 INFO L158 Benchmark]: RCFGBuilder took 463.40ms. Allocated memory is still 86.0MB. Free memory was 52.6MB in the beginning and 58.9MB in the end (delta: -6.3MB). Peak memory consumption was 16.2MB. Max. memory is 16.1GB. [2023-08-30 12:30:07,378 INFO L158 Benchmark]: TraceAbstraction took 103.86ms. Allocated memory is still 86.0MB. Free memory was 58.4MB in the beginning and 46.7MB in the end (delta: 11.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-08-30 12:30:07,383 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 58.7MB. Free memory was 36.1MB in the beginning and 36.1MB in the end (delta: 42.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 418.11ms. Allocated memory is still 86.0MB. Free memory was 58.0MB in the beginning and 57.1MB in the end (delta: 868.6kB). Peak memory consumption was 17.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 48.79ms. Allocated memory is still 86.0MB. Free memory was 57.1MB in the beginning and 54.7MB in the end (delta: 2.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 34.70ms. Allocated memory is still 86.0MB. Free memory was 54.7MB in the beginning and 52.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 463.40ms. Allocated memory is still 86.0MB. Free memory was 52.6MB in the beginning and 58.9MB in the end (delta: -6.3MB). Peak memory consumption was 16.2MB. Max. memory is 16.1GB. * TraceAbstraction took 103.86ms. Allocated memory is still 86.0MB. Free memory was 58.4MB in the beginning and 46.7MB in the end (delta: 11.7MB). 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 12:30:07,400 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