./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/weaver/unroll-cond-4.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/unroll-cond-4.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 4755329f7559a8be1422f8772c1ed30abe185c2742a237de140cc196ec4e9010 --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 22:36:02,099 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-30 22:36:02,101 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-30 22:36:02,146 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-30 22:36:02,146 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-30 22:36:02,149 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-30 22:36:02,151 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-30 22:36:02,153 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-30 22:36:02,155 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-30 22:36:02,160 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-30 22:36:02,161 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-30 22:36:02,163 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-30 22:36:02,163 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-30 22:36:02,165 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-30 22:36:02,166 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-30 22:36:02,171 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-30 22:36:02,172 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-30 22:36:02,174 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-30 22:36:02,175 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-30 22:36:02,180 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-30 22:36:02,181 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-30 22:36:02,182 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-30 22:36:02,183 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-30 22:36:02,184 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-30 22:36:02,190 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-30 22:36:02,191 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-30 22:36:02,191 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-30 22:36:02,193 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-30 22:36:02,194 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-30 22:36:02,194 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-30 22:36:02,195 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-30 22:36:02,196 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-30 22:36:02,198 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-30 22:36:02,198 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-30 22:36:02,199 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-30 22:36:02,200 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-30 22:36:02,200 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-30 22:36:02,200 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-30 22:36:02,201 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-30 22:36:02,201 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-30 22:36:02,202 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-30 22:36:02,203 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-08-30 22:36:02,247 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-30 22:36:02,248 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-30 22:36:02,249 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-30 22:36:02,249 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-30 22:36:02,250 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-30 22:36:02,250 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-30 22:36:02,250 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-30 22:36:02,251 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-30 22:36:02,251 INFO L138 SettingsManager]: * Use SBE=true [2023-08-30 22:36:02,251 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-30 22:36:02,252 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-30 22:36:02,252 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-30 22:36:02,252 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-30 22:36:02,252 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-30 22:36:02,253 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-30 22:36:02,253 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-30 22:36:02,253 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-30 22:36:02,253 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-30 22:36:02,253 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-30 22:36:02,254 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-30 22:36:02,254 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-30 22:36:02,254 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-30 22:36:02,254 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-30 22:36:02,254 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-30 22:36:02,255 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 22:36:02,255 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-30 22:36:02,255 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-30 22:36:02,255 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-30 22:36:02,255 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-30 22:36:02,256 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-30 22:36:02,256 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-30 22:36:02,256 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-30 22:36:02,256 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-30 22:36:02,257 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-30 22:36:02,257 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-30 22:36:02,257 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4755329f7559a8be1422f8772c1ed30abe185c2742a237de140cc196ec4e9010 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> DEFORE [2023-08-30 22:36:02,574 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-30 22:36:02,597 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-30 22:36:02,599 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-30 22:36:02,600 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-30 22:36:02,600 INFO L275 PluginConnector]: CDTParser initialized [2023-08-30 22:36:02,602 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/unroll-cond-4.wvr.c [2023-08-30 22:36:03,683 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-30 22:36:03,884 INFO L351 CDTParser]: Found 1 translation units. [2023-08-30 22:36:03,885 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/unroll-cond-4.wvr.c [2023-08-30 22:36:03,890 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/487411ae6/d567c35479184645948629b7ebc6711c/FLAG67dd5db17 [2023-08-30 22:36:03,904 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/487411ae6/d567c35479184645948629b7ebc6711c [2023-08-30 22:36:03,906 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-30 22:36:03,907 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-30 22:36:03,908 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-30 22:36:03,909 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-30 22:36:03,913 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-30 22:36:03,914 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 10:36:03" (1/1) ... [2023-08-30 22:36:03,915 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@47ced95 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:36:03, skipping insertion in model container [2023-08-30 22:36:03,915 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 10:36:03" (1/1) ... [2023-08-30 22:36:03,920 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-30 22:36:03,933 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-30 22:36:04,123 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/unroll-cond-4.wvr.c[2808,2821] [2023-08-30 22:36:04,134 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 22:36:04,145 INFO L203 MainTranslator]: Completed pre-run [2023-08-30 22:36:04,181 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/unroll-cond-4.wvr.c[2808,2821] [2023-08-30 22:36:04,190 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 22:36:04,204 INFO L208 MainTranslator]: Completed translation [2023-08-30 22:36:04,204 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:36:04 WrapperNode [2023-08-30 22:36:04,204 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-30 22:36:04,206 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-30 22:36:04,207 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-30 22:36:04,207 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-30 22:36:04,213 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:36:04" (1/1) ... [2023-08-30 22:36:04,232 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:36:04" (1/1) ... [2023-08-30 22:36:04,268 INFO L138 Inliner]: procedures = 24, calls = 41, calls flagged for inlining = 15, calls inlined = 15, statements flattened = 186 [2023-08-30 22:36:04,268 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-30 22:36:04,269 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-30 22:36:04,269 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-30 22:36:04,269 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-30 22:36:04,277 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:36:04" (1/1) ... [2023-08-30 22:36:04,277 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:36:04" (1/1) ... [2023-08-30 22:36:04,289 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:36:04" (1/1) ... [2023-08-30 22:36:04,289 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:36:04" (1/1) ... [2023-08-30 22:36:04,301 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:36:04" (1/1) ... [2023-08-30 22:36:04,309 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:36:04" (1/1) ... [2023-08-30 22:36:04,312 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:36:04" (1/1) ... [2023-08-30 22:36:04,316 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:36:04" (1/1) ... [2023-08-30 22:36:04,319 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-30 22:36:04,320 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-30 22:36:04,320 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-30 22:36:04,321 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-30 22:36:04,322 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:36:04" (1/1) ... [2023-08-30 22:36:04,326 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 22:36:04,338 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-30 22:36:04,353 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 22:36:04,378 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 22:36:04,402 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-30 22:36:04,403 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-08-30 22:36:04,403 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-08-30 22:36:04,403 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-08-30 22:36:04,403 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-08-30 22:36:04,403 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-30 22:36:04,403 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-30 22:36:04,404 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-30 22:36:04,404 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-08-30 22:36:04,404 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-30 22:36:04,404 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-30 22:36:04,404 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-30 22:36:04,405 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-30 22:36:04,406 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 22:36:04,519 INFO L236 CfgBuilder]: Building ICFG [2023-08-30 22:36:04,521 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-30 22:36:04,868 INFO L277 CfgBuilder]: Performing block encoding [2023-08-30 22:36:04,877 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-30 22:36:04,877 INFO L302 CfgBuilder]: Removed 3 assume(true) statements. [2023-08-30 22:36:04,879 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 10:36:04 BoogieIcfgContainer [2023-08-30 22:36:04,879 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-30 22:36:04,881 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-30 22:36:04,881 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-30 22:36:04,884 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-30 22:36:04,884 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.08 10:36:03" (1/3) ... [2023-08-30 22:36:04,885 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d61aa74 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 10:36:04, skipping insertion in model container [2023-08-30 22:36:04,885 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:36:04" (2/3) ... [2023-08-30 22:36:04,885 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d61aa74 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 10:36:04, skipping insertion in model container [2023-08-30 22:36:04,886 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 10:36:04" (3/3) ... [2023-08-30 22:36:04,887 INFO L112 eAbstractionObserver]: Analyzing ICFG unroll-cond-4.wvr.c [2023-08-30 22:36:04,895 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-30 22:36:04,903 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-30 22:36:04,904 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-08-30 22:36:04,904 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-30 22:36:05,020 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-08-30 22:36:05,026 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 22:36:05,030 INFO L158 Benchmark]: Toolchain (without parser) took 1121.86ms. Allocated memory was 77.6MB in the beginning and 94.4MB in the end (delta: 16.8MB). Free memory was 55.4MB in the beginning and 67.6MB in the end (delta: -12.2MB). Peak memory consumption was 31.3MB. Max. memory is 16.1GB. [2023-08-30 22:36:05,031 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 56.6MB. Free memory was 35.1MB in the beginning and 35.0MB in the end (delta: 48.4kB). There was no memory consumed. Max. memory is 16.1GB. [2023-08-30 22:36:05,031 INFO L158 Benchmark]: CACSL2BoogieTranslator took 296.23ms. Allocated memory is still 77.6MB. Free memory was 55.3MB in the beginning and 43.4MB in the end (delta: 11.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-08-30 22:36:05,032 INFO L158 Benchmark]: Boogie Procedure Inliner took 62.14ms. Allocated memory is still 77.6MB. Free memory was 43.4MB in the beginning and 41.1MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-30 22:36:05,033 INFO L158 Benchmark]: Boogie Preprocessor took 50.23ms. Allocated memory is still 77.6MB. Free memory was 41.1MB in the beginning and 39.5MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-30 22:36:05,033 INFO L158 Benchmark]: RCFGBuilder took 559.33ms. Allocated memory is still 77.6MB. Free memory was 39.5MB in the beginning and 41.2MB in the end (delta: -1.7MB). Peak memory consumption was 8.5MB. Max. memory is 16.1GB. [2023-08-30 22:36:05,034 INFO L158 Benchmark]: TraceAbstraction took 147.58ms. Allocated memory was 77.6MB in the beginning and 94.4MB in the end (delta: 16.8MB). Free memory was 40.5MB in the beginning and 67.6MB in the end (delta: -27.1MB). Peak memory consumption was 14.4MB. Max. memory is 16.1GB. [2023-08-30 22:36:05,037 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 56.6MB. Free memory was 35.1MB in the beginning and 35.0MB in the end (delta: 48.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 296.23ms. Allocated memory is still 77.6MB. Free memory was 55.3MB in the beginning and 43.4MB in the end (delta: 11.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 62.14ms. Allocated memory is still 77.6MB. Free memory was 43.4MB in the beginning and 41.1MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 50.23ms. Allocated memory is still 77.6MB. Free memory was 41.1MB in the beginning and 39.5MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 559.33ms. Allocated memory is still 77.6MB. Free memory was 39.5MB in the beginning and 41.2MB in the end (delta: -1.7MB). Peak memory consumption was 8.5MB. Max. memory is 16.1GB. * TraceAbstraction took 147.58ms. Allocated memory was 77.6MB in the beginning and 94.4MB in the end (delta: 16.8MB). Free memory was 40.5MB in the beginning and 67.6MB in the end (delta: -27.1MB). Peak memory consumption was 14.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: IllegalArgumentException: No enum constant de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TraceAbstractionPreferenceInitializer.InsufficientError.DEFORE de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: IllegalArgumentException: No enum constant de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TraceAbstractionPreferenceInitializer.InsufficientError.DEFORE: java.base/java.lang.Enum.valueOf(Enum.java:240) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-08-30 22:36:05,056 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../../../trunk/examples/svcomp/weaver/unroll-cond-4.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 4755329f7559a8be1422f8772c1ed30abe185c2742a237de140cc196ec4e9010 --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 22:36:06,910 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-30 22:36:06,912 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-30 22:36:06,955 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-30 22:36:06,957 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-30 22:36:06,961 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-30 22:36:06,962 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-30 22:36:06,965 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-30 22:36:06,969 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-30 22:36:06,974 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-30 22:36:06,975 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-30 22:36:06,977 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-30 22:36:06,977 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-30 22:36:06,979 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-30 22:36:06,980 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-30 22:36:06,983 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-30 22:36:06,984 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-30 22:36:06,985 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-30 22:36:06,987 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-30 22:36:06,991 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-30 22:36:06,998 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-30 22:36:06,999 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-30 22:36:07,000 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-30 22:36:07,001 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-30 22:36:07,007 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-30 22:36:07,007 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-30 22:36:07,008 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-30 22:36:07,009 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-30 22:36:07,010 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-30 22:36:07,010 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-30 22:36:07,011 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-30 22:36:07,017 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-30 22:36:07,018 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-30 22:36:07,018 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-30 22:36:07,019 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-30 22:36:07,019 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-30 22:36:07,020 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-30 22:36:07,020 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-30 22:36:07,020 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-30 22:36:07,021 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-30 22:36:07,022 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-30 22:36:07,025 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-08-30 22:36:07,053 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-30 22:36:07,054 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-30 22:36:07,055 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-30 22:36:07,055 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-30 22:36:07,056 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-30 22:36:07,056 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-30 22:36:07,056 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-30 22:36:07,057 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-30 22:36:07,057 INFO L138 SettingsManager]: * Use SBE=true [2023-08-30 22:36:07,057 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-30 22:36:07,058 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-30 22:36:07,058 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-30 22:36:07,058 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-30 22:36:07,058 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-30 22:36:07,059 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-30 22:36:07,059 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-30 22:36:07,059 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-08-30 22:36:07,059 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2023-08-30 22:36:07,059 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-08-30 22:36:07,060 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-30 22:36:07,060 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-30 22:36:07,060 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-30 22:36:07,060 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-30 22:36:07,060 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-30 22:36:07,061 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-30 22:36:07,061 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-30 22:36:07,061 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 22:36:07,061 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-30 22:36:07,061 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-30 22:36:07,062 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-30 22:36:07,062 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2023-08-30 22:36:07,062 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-08-30 22:36:07,062 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-30 22:36:07,063 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-30 22:36:07,063 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-30 22:36:07,063 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-30 22:36:07,063 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2023-08-30 22:36:07,063 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-30 22:36:07,063 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4755329f7559a8be1422f8772c1ed30abe185c2742a237de140cc196ec4e9010 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> DEFORE [2023-08-30 22:36:07,367 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-30 22:36:07,385 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-30 22:36:07,387 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-30 22:36:07,388 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-30 22:36:07,389 INFO L275 PluginConnector]: CDTParser initialized [2023-08-30 22:36:07,390 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/unroll-cond-4.wvr.c [2023-08-30 22:36:08,647 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-30 22:36:08,824 INFO L351 CDTParser]: Found 1 translation units. [2023-08-30 22:36:08,824 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/unroll-cond-4.wvr.c [2023-08-30 22:36:08,832 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/997dda9d3/d64f1228016b4d5bbf593f9852304a31/FLAGeba1daeee [2023-08-30 22:36:08,845 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/997dda9d3/d64f1228016b4d5bbf593f9852304a31 [2023-08-30 22:36:08,847 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-30 22:36:08,848 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-30 22:36:08,851 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-30 22:36:08,851 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-30 22:36:08,853 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-30 22:36:08,854 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 10:36:08" (1/1) ... [2023-08-30 22:36:08,857 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63980b4d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:36:08, skipping insertion in model container [2023-08-30 22:36:08,857 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 10:36:08" (1/1) ... [2023-08-30 22:36:08,863 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-30 22:36:08,887 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-30 22:36:09,099 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/unroll-cond-4.wvr.c[2808,2821] [2023-08-30 22:36:09,114 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 22:36:09,129 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-08-30 22:36:09,138 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-30 22:36:09,165 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/unroll-cond-4.wvr.c[2808,2821] [2023-08-30 22:36:09,172 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 22:36:09,178 INFO L203 MainTranslator]: Completed pre-run [2023-08-30 22:36:09,213 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/unroll-cond-4.wvr.c[2808,2821] [2023-08-30 22:36:09,220 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 22:36:09,236 INFO L208 MainTranslator]: Completed translation [2023-08-30 22:36:09,236 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:36:09 WrapperNode [2023-08-30 22:36:09,237 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-30 22:36:09,238 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-30 22:36:09,238 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-30 22:36:09,238 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-30 22:36:09,245 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:36:09" (1/1) ... [2023-08-30 22:36:09,267 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:36:09" (1/1) ... [2023-08-30 22:36:09,295 INFO L138 Inliner]: procedures = 26, calls = 41, calls flagged for inlining = 15, calls inlined = 15, statements flattened = 184 [2023-08-30 22:36:09,296 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-30 22:36:09,296 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-30 22:36:09,297 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-30 22:36:09,297 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-30 22:36:09,304 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:36:09" (1/1) ... [2023-08-30 22:36:09,305 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:36:09" (1/1) ... [2023-08-30 22:36:09,308 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:36:09" (1/1) ... [2023-08-30 22:36:09,309 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:36:09" (1/1) ... [2023-08-30 22:36:09,321 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:36:09" (1/1) ... [2023-08-30 22:36:09,324 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:36:09" (1/1) ... [2023-08-30 22:36:09,326 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:36:09" (1/1) ... [2023-08-30 22:36:09,328 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:36:09" (1/1) ... [2023-08-30 22:36:09,332 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-30 22:36:09,333 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-30 22:36:09,333 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-30 22:36:09,334 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-30 22:36:09,335 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:36:09" (1/1) ... [2023-08-30 22:36:09,340 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 22:36:09,351 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-30 22:36:09,361 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 22:36:09,377 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 22:36:09,391 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-30 22:36:09,392 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-08-30 22:36:09,392 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-30 22:36:09,392 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-08-30 22:36:09,392 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-08-30 22:36:09,392 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-08-30 22:36:09,392 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-08-30 22:36:09,393 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-08-30 22:36:09,393 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-08-30 22:36:09,393 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-30 22:36:09,393 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-30 22:36:09,393 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-30 22:36:09,393 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-08-30 22:36:09,395 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 22:36:09,486 INFO L236 CfgBuilder]: Building ICFG [2023-08-30 22:36:09,488 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-30 22:36:09,924 INFO L277 CfgBuilder]: Performing block encoding [2023-08-30 22:36:09,932 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-30 22:36:09,932 INFO L302 CfgBuilder]: Removed 3 assume(true) statements. [2023-08-30 22:36:09,934 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 10:36:09 BoogieIcfgContainer [2023-08-30 22:36:09,935 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-30 22:36:09,936 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-30 22:36:09,936 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-30 22:36:09,942 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-30 22:36:09,943 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.08 10:36:08" (1/3) ... [2023-08-30 22:36:09,943 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6fbb81f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 10:36:09, skipping insertion in model container [2023-08-30 22:36:09,944 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:36:09" (2/3) ... [2023-08-30 22:36:09,944 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6fbb81f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 10:36:09, skipping insertion in model container [2023-08-30 22:36:09,944 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 10:36:09" (3/3) ... [2023-08-30 22:36:09,945 INFO L112 eAbstractionObserver]: Analyzing ICFG unroll-cond-4.wvr.c [2023-08-30 22:36:09,952 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-30 22:36:09,961 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-30 22:36:09,962 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-08-30 22:36:09,962 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-30 22:36:10,101 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-08-30 22:36:10,107 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 22:36:10,112 INFO L158 Benchmark]: Toolchain (without parser) took 1263.05ms. Allocated memory was 62.9MB in the beginning and 83.9MB in the end (delta: 21.0MB). Free memory was 28.8MB in the beginning and 34.9MB in the end (delta: -6.0MB). Peak memory consumption was 16.0MB. Max. memory is 16.1GB. [2023-08-30 22:36:10,113 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 62.9MB. Free memory is still 40.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-08-30 22:36:10,113 INFO L158 Benchmark]: CACSL2BoogieTranslator took 386.07ms. Allocated memory was 62.9MB in the beginning and 83.9MB in the end (delta: 21.0MB). Free memory was 28.6MB in the beginning and 55.7MB in the end (delta: -27.1MB). Peak memory consumption was 5.0MB. Max. memory is 16.1GB. [2023-08-30 22:36:10,114 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.07ms. Allocated memory is still 83.9MB. Free memory was 55.7MB in the beginning and 53.4MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-30 22:36:10,115 INFO L158 Benchmark]: Boogie Preprocessor took 35.45ms. Allocated memory is still 83.9MB. Free memory was 53.4MB in the beginning and 51.6MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-30 22:36:10,116 INFO L158 Benchmark]: RCFGBuilder took 602.10ms. Allocated memory is still 83.9MB. Free memory was 51.4MB in the beginning and 51.7MB in the end (delta: -345.8kB). Peak memory consumption was 15.2MB. Max. memory is 16.1GB. [2023-08-30 22:36:10,116 INFO L158 Benchmark]: TraceAbstraction took 174.68ms. Allocated memory is still 83.9MB. Free memory was 51.2MB in the beginning and 34.9MB in the end (delta: 16.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-08-30 22:36:10,123 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 62.9MB. Free memory is still 40.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 386.07ms. Allocated memory was 62.9MB in the beginning and 83.9MB in the end (delta: 21.0MB). Free memory was 28.6MB in the beginning and 55.7MB in the end (delta: -27.1MB). Peak memory consumption was 5.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 58.07ms. Allocated memory is still 83.9MB. Free memory was 55.7MB in the beginning and 53.4MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 35.45ms. Allocated memory is still 83.9MB. Free memory was 53.4MB in the beginning and 51.6MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 602.10ms. Allocated memory is still 83.9MB. Free memory was 51.4MB in the beginning and 51.7MB in the end (delta: -345.8kB). Peak memory consumption was 15.2MB. Max. memory is 16.1GB. * TraceAbstraction took 174.68ms. Allocated memory is still 83.9MB. Free memory was 51.2MB in the beginning and 34.9MB in the end (delta: 16.4MB). 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 22:36:10,150 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