./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/weaver/chl-name-comparator-symm.wvr.c --full-output --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations DEFORE --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b8dbc81d Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../../../trunk/examples/svcomp/weaver/chl-name-comparator-symm.wvr.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 908fbcc4d3742ed9abcae99df082df11caf0d6bd4e74389f515555cf6e492354 --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations DEFORE --- Real Ultimate output --- This is Ultimate 0.2.3-?-b8dbc81 [2023-08-30 22:32:38,673 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-30 22:32:38,676 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-30 22:32:38,720 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-30 22:32:38,721 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-30 22:32:38,723 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-30 22:32:38,726 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-30 22:32:38,728 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-30 22:32:38,731 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-30 22:32:38,735 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-30 22:32:38,736 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-30 22:32:38,738 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-30 22:32:38,738 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-30 22:32:38,741 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-30 22:32:38,742 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-30 22:32:38,749 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-30 22:32:38,750 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-30 22:32:38,751 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-30 22:32:38,754 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-30 22:32:38,759 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-30 22:32:38,760 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-30 22:32:38,761 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-30 22:32:38,762 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-30 22:32:38,763 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-30 22:32:38,771 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-30 22:32:38,771 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-30 22:32:38,772 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-30 22:32:38,773 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-30 22:32:38,774 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-30 22:32:38,775 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-30 22:32:38,775 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-30 22:32:38,777 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-30 22:32:38,778 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-30 22:32:38,779 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-30 22:32:38,780 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-30 22:32:38,780 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-30 22:32:38,780 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-30 22:32:38,781 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-30 22:32:38,781 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-30 22:32:38,782 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-30 22:32:38,782 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-30 22:32:38,784 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-08-30 22:32:38,818 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-30 22:32:38,819 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-30 22:32:38,820 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-30 22:32:38,820 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-30 22:32:38,821 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-30 22:32:38,821 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-30 22:32:38,822 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-30 22:32:38,822 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-30 22:32:38,822 INFO L138 SettingsManager]: * Use SBE=true [2023-08-30 22:32:38,822 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-30 22:32:38,823 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-30 22:32:38,823 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-30 22:32:38,824 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-30 22:32:38,824 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-30 22:32:38,824 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-30 22:32:38,824 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-30 22:32:38,824 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-30 22:32:38,825 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-30 22:32:38,825 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-30 22:32:38,825 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-30 22:32:38,825 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-30 22:32:38,825 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-30 22:32:38,826 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-30 22:32:38,826 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-30 22:32:38,826 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 22:32:38,826 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-30 22:32:38,826 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-30 22:32:38,827 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-30 22:32:38,827 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-30 22:32:38,827 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-30 22:32:38,827 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-30 22:32:38,827 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-30 22:32:38,828 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-30 22:32:38,828 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-30 22:32:38,828 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-30 22:32:38,828 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 908fbcc4d3742ed9abcae99df082df11caf0d6bd4e74389f515555cf6e492354 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> DEFORE [2023-08-30 22:32:39,117 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-30 22:32:39,134 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-30 22:32:39,138 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-30 22:32:39,139 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-30 22:32:39,139 INFO L275 PluginConnector]: CDTParser initialized [2023-08-30 22:32:39,141 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/chl-name-comparator-symm.wvr.c [2023-08-30 22:32:40,245 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-30 22:32:40,429 INFO L351 CDTParser]: Found 1 translation units. [2023-08-30 22:32:40,429 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-name-comparator-symm.wvr.c [2023-08-30 22:32:40,443 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4beed7a36/73fd4a1d303244dd8d2cc7f74f016221/FLAG25dc848f9 [2023-08-30 22:32:40,455 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4beed7a36/73fd4a1d303244dd8d2cc7f74f016221 [2023-08-30 22:32:40,457 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-30 22:32:40,458 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-30 22:32:40,459 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-30 22:32:40,459 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-30 22:32:40,461 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-30 22:32:40,462 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 10:32:40" (1/1) ... [2023-08-30 22:32:40,463 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@289be566 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:32:40, skipping insertion in model container [2023-08-30 22:32:40,463 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 10:32:40" (1/1) ... [2023-08-30 22:32:40,467 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-30 22:32:40,483 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-30 22:32:40,668 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-name-comparator-symm.wvr.c[3856,3869] [2023-08-30 22:32:40,686 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 22:32:40,697 INFO L203 MainTranslator]: Completed pre-run [2023-08-30 22:32:40,740 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-name-comparator-symm.wvr.c[3856,3869] [2023-08-30 22:32:40,745 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 22:32:40,771 INFO L208 MainTranslator]: Completed translation [2023-08-30 22:32:40,772 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:32:40 WrapperNode [2023-08-30 22:32:40,772 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-30 22:32:40,773 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-30 22:32:40,774 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-30 22:32:40,774 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-30 22:32:40,780 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:32:40" (1/1) ... [2023-08-30 22:32:40,800 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:32:40" (1/1) ... [2023-08-30 22:32:40,837 INFO L138 Inliner]: procedures = 25, calls = 34, calls flagged for inlining = 14, calls inlined = 16, statements flattened = 227 [2023-08-30 22:32:40,838 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-30 22:32:40,840 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-30 22:32:40,840 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-30 22:32:40,840 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-30 22:32:40,848 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:32:40" (1/1) ... [2023-08-30 22:32:40,848 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:32:40" (1/1) ... [2023-08-30 22:32:40,851 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:32:40" (1/1) ... [2023-08-30 22:32:40,852 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:32:40" (1/1) ... [2023-08-30 22:32:40,863 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:32:40" (1/1) ... [2023-08-30 22:32:40,875 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:32:40" (1/1) ... [2023-08-30 22:32:40,878 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:32:40" (1/1) ... [2023-08-30 22:32:40,883 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:32:40" (1/1) ... [2023-08-30 22:32:40,885 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-30 22:32:40,887 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-30 22:32:40,887 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-30 22:32:40,887 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-30 22:32:40,888 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:32:40" (1/1) ... [2023-08-30 22:32:40,894 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 22:32:40,905 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-30 22:32:40,917 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-08-30 22:32:40,945 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-08-30 22:32:40,959 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-30 22:32:40,959 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-30 22:32:40,960 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-30 22:32:40,960 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-30 22:32:40,960 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-08-30 22:32:40,960 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-08-30 22:32:40,960 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-08-30 22:32:40,961 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-08-30 22:32:40,961 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-30 22:32:40,961 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-08-30 22:32:40,961 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-30 22:32:40,961 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-30 22:32:40,961 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-30 22:32:40,963 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-08-30 22:32:41,128 INFO L236 CfgBuilder]: Building ICFG [2023-08-30 22:32:41,144 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-30 22:32:41,564 INFO L277 CfgBuilder]: Performing block encoding [2023-08-30 22:32:41,576 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-30 22:32:41,576 INFO L302 CfgBuilder]: Removed 3 assume(true) statements. [2023-08-30 22:32:41,579 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 10:32:41 BoogieIcfgContainer [2023-08-30 22:32:41,579 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-30 22:32:41,596 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-30 22:32:41,596 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-30 22:32:41,610 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-30 22:32:41,611 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.08 10:32:40" (1/3) ... [2023-08-30 22:32:41,611 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@565cc90a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 10:32:41, skipping insertion in model container [2023-08-30 22:32:41,611 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:32:40" (2/3) ... [2023-08-30 22:32:41,612 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@565cc90a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 10:32:41, skipping insertion in model container [2023-08-30 22:32:41,612 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 10:32:41" (3/3) ... [2023-08-30 22:32:41,613 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-name-comparator-symm.wvr.c [2023-08-30 22:32:41,621 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-30 22:32:41,630 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-30 22:32:41,630 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-08-30 22:32:41,631 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-30 22:32:41,745 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-08-30 22:32:41,751 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.IllegalArgumentException: No enum constant de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TraceAbstractionPreferenceInitializer.InsufficientError.DEFORE at java.base/java.lang.Enum.valueOf(Enum.java:240) at de.uni_freiburg.informatik.ultimate.core.preferences.RcpPreferenceProvider.getEnum(RcpPreferenceProvider.java:117) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TAPreferences.insufficientThreadErrorsVsProgramErrors(TAPreferences.java:218) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.partitionErrorLocations(TraceAbstractionStarter.java:394) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:280) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:225) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:173) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-08-30 22:32:41,761 INFO L158 Benchmark]: Toolchain (without parser) took 1302.29ms. Allocated memory is still 92.3MB. Free memory was 69.7MB in the beginning and 48.4MB in the end (delta: 21.3MB). Peak memory consumption was 21.7MB. Max. memory is 16.1GB. [2023-08-30 22:32:41,761 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 65.0MB. Free memory is still 42.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-08-30 22:32:41,762 INFO L158 Benchmark]: CACSL2BoogieTranslator took 314.08ms. Allocated memory is still 92.3MB. Free memory was 69.7MB in the beginning and 56.8MB in the end (delta: 12.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-08-30 22:32:41,762 INFO L158 Benchmark]: Boogie Procedure Inliner took 64.46ms. Allocated memory is still 92.3MB. Free memory was 56.8MB in the beginning and 54.4MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-30 22:32:41,763 INFO L158 Benchmark]: Boogie Preprocessor took 46.14ms. Allocated memory is still 92.3MB. Free memory was 54.4MB in the beginning and 52.6MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-30 22:32:41,763 INFO L158 Benchmark]: RCFGBuilder took 696.36ms. Allocated memory is still 92.3MB. Free memory was 52.6MB in the beginning and 62.1MB in the end (delta: -9.5MB). Peak memory consumption was 15.4MB. Max. memory is 16.1GB. [2023-08-30 22:32:41,764 INFO L158 Benchmark]: TraceAbstraction took 163.57ms. Allocated memory is still 92.3MB. Free memory was 61.6MB in the beginning and 48.4MB in the end (delta: 13.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-08-30 22:32:41,768 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 65.0MB. Free memory is still 42.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 314.08ms. Allocated memory is still 92.3MB. Free memory was 69.7MB in the beginning and 56.8MB in the end (delta: 12.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 64.46ms. Allocated memory is still 92.3MB. Free memory was 56.8MB in the beginning and 54.4MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 46.14ms. Allocated memory is still 92.3MB. Free memory was 54.4MB in the beginning and 52.6MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 696.36ms. Allocated memory is still 92.3MB. Free memory was 52.6MB in the beginning and 62.1MB in the end (delta: -9.5MB). Peak memory consumption was 15.4MB. Max. memory is 16.1GB. * TraceAbstraction took 163.57ms. Allocated memory is still 92.3MB. Free memory was 61.6MB in the beginning and 48.4MB in the end (delta: 13.2MB). 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 22:32:41,785 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/weaver/chl-name-comparator-symm.wvr.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 908fbcc4d3742ed9abcae99df082df11caf0d6bd4e74389f515555cf6e492354 --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations DEFORE --- Real Ultimate output --- This is Ultimate 0.2.3-?-b8dbc81 [2023-08-30 22:32:43,685 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-30 22:32:43,687 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-30 22:32:43,725 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-30 22:32:43,726 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-30 22:32:43,729 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-30 22:32:43,731 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-30 22:32:43,733 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-30 22:32:43,735 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-30 22:32:43,740 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-30 22:32:43,741 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-30 22:32:43,744 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-30 22:32:43,744 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-30 22:32:43,746 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-30 22:32:43,747 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-30 22:32:43,752 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-30 22:32:43,753 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-30 22:32:43,755 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-30 22:32:43,756 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-30 22:32:43,763 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-30 22:32:43,764 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-30 22:32:43,765 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-30 22:32:43,766 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-30 22:32:43,767 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-30 22:32:43,774 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-30 22:32:43,774 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-30 22:32:43,775 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-30 22:32:43,777 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-30 22:32:43,777 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-30 22:32:43,778 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-30 22:32:43,778 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-30 22:32:43,784 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-30 22:32:43,786 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-30 22:32:43,787 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-30 22:32:43,788 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-30 22:32:43,788 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-30 22:32:43,789 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-30 22:32:43,789 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-30 22:32:43,789 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-30 22:32:43,790 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-30 22:32:43,791 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-30 22:32:43,792 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-08-30 22:32:43,824 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-30 22:32:43,824 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-30 22:32:43,824 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-30 22:32:43,824 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-30 22:32:43,825 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-30 22:32:43,825 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-30 22:32:43,826 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-30 22:32:43,826 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-30 22:32:43,826 INFO L138 SettingsManager]: * Use SBE=true [2023-08-30 22:32:43,826 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-30 22:32:43,826 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-30 22:32:43,826 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-30 22:32:43,826 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-30 22:32:43,827 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-30 22:32:43,827 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-30 22:32:43,827 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-30 22:32:43,827 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-08-30 22:32:43,827 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2023-08-30 22:32:43,827 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-08-30 22:32:43,827 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-30 22:32:43,827 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-30 22:32:43,828 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-30 22:32:43,828 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-30 22:32:43,828 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-30 22:32:43,828 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-30 22:32:43,828 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-30 22:32:43,828 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 22:32:43,828 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-30 22:32:43,828 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-30 22:32:43,829 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-30 22:32:43,829 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2023-08-30 22:32:43,829 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-08-30 22:32:43,829 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-30 22:32:43,829 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-30 22:32:43,830 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-30 22:32:43,830 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-30 22:32:43,830 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2023-08-30 22:32:43,830 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-30 22:32:43,830 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 908fbcc4d3742ed9abcae99df082df11caf0d6bd4e74389f515555cf6e492354 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> DEFORE [2023-08-30 22:32:44,164 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-30 22:32:44,185 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-30 22:32:44,187 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-30 22:32:44,189 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-30 22:32:44,189 INFO L275 PluginConnector]: CDTParser initialized [2023-08-30 22:32:44,190 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/chl-name-comparator-symm.wvr.c [2023-08-30 22:32:45,312 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-30 22:32:45,532 INFO L351 CDTParser]: Found 1 translation units. [2023-08-30 22:32:45,532 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-name-comparator-symm.wvr.c [2023-08-30 22:32:45,538 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fc8662f1c/f2b6cee7955c4e84a9af2372878f65c4/FLAG224a19dd0 [2023-08-30 22:32:45,552 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fc8662f1c/f2b6cee7955c4e84a9af2372878f65c4 [2023-08-30 22:32:45,555 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-30 22:32:45,557 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-30 22:32:45,558 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-30 22:32:45,558 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-30 22:32:45,561 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-30 22:32:45,562 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 10:32:45" (1/1) ... [2023-08-30 22:32:45,562 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d6ba864 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:32:45, skipping insertion in model container [2023-08-30 22:32:45,563 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 10:32:45" (1/1) ... [2023-08-30 22:32:45,568 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-30 22:32:45,588 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-30 22:32:45,751 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-name-comparator-symm.wvr.c[3856,3869] [2023-08-30 22:32:45,779 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 22:32:45,799 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-08-30 22:32:45,811 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-30 22:32:45,843 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-name-comparator-symm.wvr.c[3856,3869] [2023-08-30 22:32:45,848 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 22:32:45,856 INFO L203 MainTranslator]: Completed pre-run [2023-08-30 22:32:45,894 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-name-comparator-symm.wvr.c[3856,3869] [2023-08-30 22:32:45,900 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 22:32:45,920 INFO L208 MainTranslator]: Completed translation [2023-08-30 22:32:45,921 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:32:45 WrapperNode [2023-08-30 22:32:45,921 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-30 22:32:45,922 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-30 22:32:45,922 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-30 22:32:45,923 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-30 22:32:45,929 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:32:45" (1/1) ... [2023-08-30 22:32:45,953 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:32:45" (1/1) ... [2023-08-30 22:32:45,989 INFO L138 Inliner]: procedures = 27, calls = 34, calls flagged for inlining = 14, calls inlined = 16, statements flattened = 214 [2023-08-30 22:32:45,989 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-30 22:32:45,990 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-30 22:32:45,990 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-30 22:32:45,990 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-30 22:32:45,999 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:32:45" (1/1) ... [2023-08-30 22:32:45,999 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:32:45" (1/1) ... [2023-08-30 22:32:46,014 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:32:45" (1/1) ... [2023-08-30 22:32:46,018 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:32:45" (1/1) ... [2023-08-30 22:32:46,025 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:32:45" (1/1) ... [2023-08-30 22:32:46,039 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:32:45" (1/1) ... [2023-08-30 22:32:46,043 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:32:45" (1/1) ... [2023-08-30 22:32:46,049 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:32:45" (1/1) ... [2023-08-30 22:32:46,052 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-30 22:32:46,055 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-30 22:32:46,055 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-30 22:32:46,055 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-30 22:32:46,056 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:32:45" (1/1) ... [2023-08-30 22:32:46,061 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 22:32:46,073 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-30 22:32:46,085 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-08-30 22:32:46,104 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-08-30 22:32:46,141 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-30 22:32:46,141 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-08-30 22:32:46,141 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-30 22:32:46,141 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-08-30 22:32:46,141 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-08-30 22:32:46,142 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-08-30 22:32:46,142 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-08-30 22:32:46,142 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-08-30 22:32:46,142 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-08-30 22:32:46,142 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-30 22:32:46,142 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-30 22:32:46,143 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-30 22:32:46,143 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-08-30 22:32:46,144 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-08-30 22:32:46,244 INFO L236 CfgBuilder]: Building ICFG [2023-08-30 22:32:46,252 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-30 22:32:46,708 INFO L277 CfgBuilder]: Performing block encoding [2023-08-30 22:32:46,724 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-30 22:32:46,725 INFO L302 CfgBuilder]: Removed 3 assume(true) statements. [2023-08-30 22:32:46,727 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 10:32:46 BoogieIcfgContainer [2023-08-30 22:32:46,728 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-30 22:32:46,729 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-30 22:32:46,729 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-30 22:32:46,732 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-30 22:32:46,732 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.08 10:32:45" (1/3) ... [2023-08-30 22:32:46,733 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c3ed027 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 10:32:46, skipping insertion in model container [2023-08-30 22:32:46,733 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:32:45" (2/3) ... [2023-08-30 22:32:46,733 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c3ed027 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 10:32:46, skipping insertion in model container [2023-08-30 22:32:46,734 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 10:32:46" (3/3) ... [2023-08-30 22:32:46,735 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-name-comparator-symm.wvr.c [2023-08-30 22:32:46,742 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-30 22:32:46,751 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-30 22:32:46,751 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-08-30 22:32:46,751 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-30 22:32:46,915 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-08-30 22:32:46,921 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.IllegalArgumentException: No enum constant de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TraceAbstractionPreferenceInitializer.InsufficientError.DEFORE at java.base/java.lang.Enum.valueOf(Enum.java:240) at de.uni_freiburg.informatik.ultimate.core.preferences.RcpPreferenceProvider.getEnum(RcpPreferenceProvider.java:117) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TAPreferences.insufficientThreadErrorsVsProgramErrors(TAPreferences.java:218) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.partitionErrorLocations(TraceAbstractionStarter.java:394) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:280) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:225) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:173) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-08-30 22:32:46,927 INFO L158 Benchmark]: Toolchain (without parser) took 1369.36ms. Allocated memory is still 90.2MB. Free memory was 67.3MB in the beginning and 63.9MB in the end (delta: 3.4MB). Peak memory consumption was 34.2MB. Max. memory is 16.1GB. [2023-08-30 22:32:46,927 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 62.9MB. Free memory is still 40.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-08-30 22:32:46,928 INFO L158 Benchmark]: CACSL2BoogieTranslator took 363.65ms. Allocated memory is still 90.2MB. Free memory was 67.3MB in the beginning and 52.4MB in the end (delta: 14.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-08-30 22:32:46,928 INFO L158 Benchmark]: Boogie Procedure Inliner took 67.12ms. Allocated memory is still 90.2MB. Free memory was 52.4MB in the beginning and 50.1MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-30 22:32:46,929 INFO L158 Benchmark]: Boogie Preprocessor took 63.25ms. Allocated memory is still 90.2MB. Free memory was 50.1MB in the beginning and 48.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-30 22:32:46,930 INFO L158 Benchmark]: RCFGBuilder took 672.70ms. Allocated memory is still 90.2MB. Free memory was 48.0MB in the beginning and 49.2MB in the end (delta: -1.2MB). Peak memory consumption was 6.9MB. Max. memory is 16.1GB. [2023-08-30 22:32:46,930 INFO L158 Benchmark]: TraceAbstraction took 196.10ms. Allocated memory is still 90.2MB. Free memory was 48.7MB in the beginning and 63.9MB in the end (delta: -15.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-08-30 22:32:46,937 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 62.9MB. Free memory is still 40.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 363.65ms. Allocated memory is still 90.2MB. Free memory was 67.3MB in the beginning and 52.4MB in the end (delta: 14.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 67.12ms. Allocated memory is still 90.2MB. Free memory was 52.4MB in the beginning and 50.1MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 63.25ms. Allocated memory is still 90.2MB. Free memory was 50.1MB in the beginning and 48.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 672.70ms. Allocated memory is still 90.2MB. Free memory was 48.0MB in the beginning and 49.2MB in the end (delta: -1.2MB). Peak memory consumption was 6.9MB. Max. memory is 16.1GB. * TraceAbstraction took 196.10ms. Allocated memory is still 90.2MB. Free memory was 48.7MB in the beginning and 63.9MB in the end (delta: -15.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: IllegalArgumentException: No enum constant de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TraceAbstractionPreferenceInitializer.InsufficientError.DEFORE de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: IllegalArgumentException: No enum constant de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TraceAbstractionPreferenceInitializer.InsufficientError.DEFORE: java.base/java.lang.Enum.valueOf(Enum.java:240) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-08-30 22:32:46,962 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