./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/weaver/popl20-more-sum-array-hom.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/popl20-more-sum-array-hom.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 0307f20ae0363cc6fed70ae0937c5000167639ab486b68a523e3313ccdd28e28 --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 22:35:10,760 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-30 22:35:10,761 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-30 22:35:10,818 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-30 22:35:10,820 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-30 22:35:10,823 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-30 22:35:10,824 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-30 22:35:10,827 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-30 22:35:10,828 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-30 22:35:10,832 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-30 22:35:10,833 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-30 22:35:10,834 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-30 22:35:10,835 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-30 22:35:10,836 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-30 22:35:10,837 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-30 22:35:10,839 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-30 22:35:10,841 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-30 22:35:10,842 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-30 22:35:10,843 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-30 22:35:10,845 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-30 22:35:10,861 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-30 22:35:10,864 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-30 22:35:10,865 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-30 22:35:10,865 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-30 22:35:10,867 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-30 22:35:10,868 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-30 22:35:10,868 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-30 22:35:10,868 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-30 22:35:10,868 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-30 22:35:10,869 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-30 22:35:10,869 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-30 22:35:10,869 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-30 22:35:10,870 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-30 22:35:10,870 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-30 22:35:10,871 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-30 22:35:10,871 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-30 22:35:10,871 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-30 22:35:10,872 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-30 22:35:10,884 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-30 22:35:10,885 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-30 22:35:10,885 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-30 22:35:10,897 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-08-30 22:35:10,922 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-30 22:35:10,922 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-30 22:35:10,923 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-30 22:35:10,923 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-30 22:35:10,924 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-30 22:35:10,924 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-30 22:35:10,924 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-30 22:35:10,924 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-30 22:35:10,924 INFO L138 SettingsManager]: * Use SBE=true [2023-08-30 22:35:10,925 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-30 22:35:10,925 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-30 22:35:10,925 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-30 22:35:10,926 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-30 22:35:10,926 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-30 22:35:10,926 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-30 22:35:10,926 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-30 22:35:10,926 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-30 22:35:10,926 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-30 22:35:10,926 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-30 22:35:10,926 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-30 22:35:10,927 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-30 22:35:10,927 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-30 22:35:10,927 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-30 22:35:10,927 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-30 22:35:10,927 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 22:35:10,927 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-30 22:35:10,927 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-30 22:35:10,928 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-30 22:35:10,928 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-30 22:35:10,928 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-30 22:35:10,928 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-30 22:35:10,928 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-30 22:35:10,928 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-30 22:35:10,928 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-30 22:35:10,929 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-30 22:35:10,929 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0307f20ae0363cc6fed70ae0937c5000167639ab486b68a523e3313ccdd28e28 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> DEFORE [2023-08-30 22:35:11,162 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-30 22:35:11,185 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-30 22:35:11,186 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-30 22:35:11,187 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-30 22:35:11,187 INFO L275 PluginConnector]: CDTParser initialized [2023-08-30 22:35:11,188 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-more-sum-array-hom.wvr.c [2023-08-30 22:35:12,128 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-30 22:35:12,320 INFO L351 CDTParser]: Found 1 translation units. [2023-08-30 22:35:12,321 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-sum-array-hom.wvr.c [2023-08-30 22:35:12,329 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ecec89cbc/9f20bcb9158647ec97a43b64d28789b6/FLAG83846fc15 [2023-08-30 22:35:12,338 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ecec89cbc/9f20bcb9158647ec97a43b64d28789b6 [2023-08-30 22:35:12,344 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-30 22:35:12,345 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-30 22:35:12,346 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-30 22:35:12,346 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-30 22:35:12,348 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-30 22:35:12,349 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 10:35:12" (1/1) ... [2023-08-30 22:35:12,349 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@455f3dd4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:35:12, skipping insertion in model container [2023-08-30 22:35:12,349 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 10:35:12" (1/1) ... [2023-08-30 22:35:12,354 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-30 22:35:12,365 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-30 22:35:12,514 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/popl20-more-sum-array-hom.wvr.c[2396,2409] [2023-08-30 22:35:12,526 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 22:35:12,534 INFO L203 MainTranslator]: Completed pre-run [2023-08-30 22:35:12,563 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/popl20-more-sum-array-hom.wvr.c[2396,2409] [2023-08-30 22:35:12,568 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 22:35:12,580 INFO L208 MainTranslator]: Completed translation [2023-08-30 22:35:12,581 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:35:12 WrapperNode [2023-08-30 22:35:12,581 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-30 22:35:12,582 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-30 22:35:12,582 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-30 22:35:12,582 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-30 22:35:12,586 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:35:12" (1/1) ... [2023-08-30 22:35:12,601 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:35:12" (1/1) ... [2023-08-30 22:35:12,626 INFO L138 Inliner]: procedures = 25, calls = 34, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 105 [2023-08-30 22:35:12,627 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-30 22:35:12,627 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-30 22:35:12,628 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-30 22:35:12,628 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-30 22:35:12,634 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:35:12" (1/1) ... [2023-08-30 22:35:12,634 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:35:12" (1/1) ... [2023-08-30 22:35:12,646 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:35:12" (1/1) ... [2023-08-30 22:35:12,646 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:35:12" (1/1) ... [2023-08-30 22:35:12,654 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:35:12" (1/1) ... [2023-08-30 22:35:12,659 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:35:12" (1/1) ... [2023-08-30 22:35:12,662 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:35:12" (1/1) ... [2023-08-30 22:35:12,667 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:35:12" (1/1) ... [2023-08-30 22:35:12,669 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-30 22:35:12,671 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-30 22:35:12,671 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-30 22:35:12,671 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-30 22:35:12,672 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:35:12" (1/1) ... [2023-08-30 22:35:12,677 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 22:35:12,686 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-30 22:35:12,734 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 22:35:12,771 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 22:35:12,797 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-30 22:35:12,797 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-30 22:35:12,797 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-30 22:35:12,797 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-30 22:35:12,797 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-08-30 22:35:12,797 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-08-30 22:35:12,798 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-08-30 22:35:12,798 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-08-30 22:35:12,798 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-08-30 22:35:12,798 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-08-30 22:35:12,798 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-30 22:35:12,798 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-08-30 22:35:12,798 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-30 22:35:12,798 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-30 22:35:12,798 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-30 22:35:12,799 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 22:35:12,910 INFO L236 CfgBuilder]: Building ICFG [2023-08-30 22:35:12,911 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-30 22:35:13,149 INFO L277 CfgBuilder]: Performing block encoding [2023-08-30 22:35:13,158 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-30 22:35:13,158 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-08-30 22:35:13,160 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 10:35:13 BoogieIcfgContainer [2023-08-30 22:35:13,160 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-30 22:35:13,169 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-30 22:35:13,169 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-30 22:35:13,177 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-30 22:35:13,177 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.08 10:35:12" (1/3) ... [2023-08-30 22:35:13,177 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74b04ac1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 10:35:13, skipping insertion in model container [2023-08-30 22:35:13,178 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:35:12" (2/3) ... [2023-08-30 22:35:13,178 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74b04ac1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 10:35:13, skipping insertion in model container [2023-08-30 22:35:13,178 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 10:35:13" (3/3) ... [2023-08-30 22:35:13,179 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-more-sum-array-hom.wvr.c [2023-08-30 22:35:13,184 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-30 22:35:13,190 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-30 22:35:13,191 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-08-30 22:35:13,191 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-30 22:35:13,244 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2023-08-30 22:35:13,249 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 22:35:13,252 INFO L158 Benchmark]: Toolchain (without parser) took 906.36ms. Allocated memory was 60.8MB in the beginning and 73.4MB in the end (delta: 12.6MB). Free memory was 39.1MB in the beginning and 42.3MB in the end (delta: -3.2MB). Peak memory consumption was 12.9MB. Max. memory is 16.1GB. [2023-08-30 22:35:13,253 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 50.3MB. Free memory was 28.7MB in the beginning and 28.7MB in the end (delta: 33.6kB). There was no memory consumed. Max. memory is 16.1GB. [2023-08-30 22:35:13,253 INFO L158 Benchmark]: CACSL2BoogieTranslator took 235.36ms. Allocated memory is still 60.8MB. Free memory was 38.9MB in the beginning and 27.0MB in the end (delta: 11.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-08-30 22:35:13,254 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.01ms. Allocated memory is still 60.8MB. Free memory was 27.0MB in the beginning and 41.4MB in the end (delta: -14.4MB). Peak memory consumption was 4.7MB. Max. memory is 16.1GB. [2023-08-30 22:35:13,254 INFO L158 Benchmark]: Boogie Preprocessor took 42.79ms. Allocated memory is still 60.8MB. Free memory was 41.4MB in the beginning and 39.8MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-30 22:35:13,255 INFO L158 Benchmark]: RCFGBuilder took 488.98ms. Allocated memory was 60.8MB in the beginning and 73.4MB in the end (delta: 12.6MB). Free memory was 39.8MB in the beginning and 51.7MB in the end (delta: -11.9MB). Peak memory consumption was 16.6MB. Max. memory is 16.1GB. [2023-08-30 22:35:13,255 INFO L158 Benchmark]: TraceAbstraction took 81.94ms. Allocated memory is still 73.4MB. Free memory was 51.1MB in the beginning and 42.3MB in the end (delta: 8.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-08-30 22:35:13,258 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 50.3MB. Free memory was 28.7MB in the beginning and 28.7MB in the end (delta: 33.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 235.36ms. Allocated memory is still 60.8MB. Free memory was 38.9MB in the beginning and 27.0MB in the end (delta: 11.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.01ms. Allocated memory is still 60.8MB. Free memory was 27.0MB in the beginning and 41.4MB in the end (delta: -14.4MB). Peak memory consumption was 4.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 42.79ms. Allocated memory is still 60.8MB. Free memory was 41.4MB in the beginning and 39.8MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 488.98ms. Allocated memory was 60.8MB in the beginning and 73.4MB in the end (delta: 12.6MB). Free memory was 39.8MB in the beginning and 51.7MB in the end (delta: -11.9MB). Peak memory consumption was 16.6MB. Max. memory is 16.1GB. * TraceAbstraction took 81.94ms. Allocated memory is still 73.4MB. Free memory was 51.1MB in the beginning and 42.3MB in the end (delta: 8.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: IllegalArgumentException: No enum constant de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TraceAbstractionPreferenceInitializer.InsufficientError.DEFORE de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: IllegalArgumentException: No enum constant de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TraceAbstractionPreferenceInitializer.InsufficientError.DEFORE: java.base/java.lang.Enum.valueOf(Enum.java:240) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-08-30 22:35:13,273 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/popl20-more-sum-array-hom.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 0307f20ae0363cc6fed70ae0937c5000167639ab486b68a523e3313ccdd28e28 --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 22:35:15,244 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-30 22:35:15,245 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-30 22:35:15,277 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-30 22:35:15,278 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-30 22:35:15,280 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-30 22:35:15,281 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-30 22:35:15,283 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-30 22:35:15,285 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-30 22:35:15,288 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-30 22:35:15,289 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-30 22:35:15,291 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-30 22:35:15,291 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-30 22:35:15,293 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-30 22:35:15,294 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-30 22:35:15,298 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-30 22:35:15,298 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-30 22:35:15,299 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-30 22:35:15,303 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-30 22:35:15,304 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-30 22:35:15,307 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-30 22:35:15,307 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-30 22:35:15,308 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-30 22:35:15,309 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-30 22:35:15,312 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-30 22:35:15,315 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-30 22:35:15,315 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-30 22:35:15,316 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-30 22:35:15,317 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-30 22:35:15,317 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-30 22:35:15,317 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-30 22:35:15,318 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-30 22:35:15,319 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-30 22:35:15,319 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-30 22:35:15,320 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-30 22:35:15,321 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-30 22:35:15,321 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-30 22:35:15,321 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-30 22:35:15,321 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-30 22:35:15,326 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-30 22:35:15,326 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-30 22:35:15,328 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-08-30 22:35:15,350 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-30 22:35:15,350 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-30 22:35:15,351 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-30 22:35:15,351 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-30 22:35:15,351 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-30 22:35:15,352 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-30 22:35:15,352 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-30 22:35:15,352 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-30 22:35:15,352 INFO L138 SettingsManager]: * Use SBE=true [2023-08-30 22:35:15,352 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-30 22:35:15,353 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-30 22:35:15,353 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-30 22:35:15,353 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-30 22:35:15,353 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-30 22:35:15,354 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-30 22:35:15,354 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-30 22:35:15,354 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-08-30 22:35:15,354 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2023-08-30 22:35:15,354 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-08-30 22:35:15,354 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-30 22:35:15,354 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-30 22:35:15,354 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-30 22:35:15,355 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-30 22:35:15,355 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-30 22:35:15,355 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-30 22:35:15,355 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-30 22:35:15,355 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 22:35:15,355 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-30 22:35:15,355 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-30 22:35:15,356 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-30 22:35:15,356 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2023-08-30 22:35:15,356 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-08-30 22:35:15,356 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-30 22:35:15,356 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-30 22:35:15,356 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-30 22:35:15,356 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-30 22:35:15,357 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2023-08-30 22:35:15,357 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-30 22:35:15,357 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0307f20ae0363cc6fed70ae0937c5000167639ab486b68a523e3313ccdd28e28 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> DEFORE [2023-08-30 22:35:15,592 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-30 22:35:15,612 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-30 22:35:15,614 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-30 22:35:15,614 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-30 22:35:15,615 INFO L275 PluginConnector]: CDTParser initialized [2023-08-30 22:35:15,616 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-more-sum-array-hom.wvr.c [2023-08-30 22:35:16,588 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-30 22:35:16,778 INFO L351 CDTParser]: Found 1 translation units. [2023-08-30 22:35:16,778 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-sum-array-hom.wvr.c [2023-08-30 22:35:16,784 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/245d74935/13c3e26a7d7943188642bff18efcbbac/FLAG8d1370170 [2023-08-30 22:35:16,796 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/245d74935/13c3e26a7d7943188642bff18efcbbac [2023-08-30 22:35:16,797 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-30 22:35:16,798 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-30 22:35:16,799 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-30 22:35:16,799 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-30 22:35:16,814 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-30 22:35:16,815 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 10:35:16" (1/1) ... [2023-08-30 22:35:16,816 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63a1cb4b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:35:16, skipping insertion in model container [2023-08-30 22:35:16,816 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 10:35:16" (1/1) ... [2023-08-30 22:35:16,827 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-30 22:35:16,856 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-30 22:35:17,026 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/popl20-more-sum-array-hom.wvr.c[2396,2409] [2023-08-30 22:35:17,035 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 22:35:17,049 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-08-30 22:35:17,056 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-30 22:35:17,080 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/popl20-more-sum-array-hom.wvr.c[2396,2409] [2023-08-30 22:35:17,087 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 22:35:17,094 INFO L203 MainTranslator]: Completed pre-run [2023-08-30 22:35:17,121 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/popl20-more-sum-array-hom.wvr.c[2396,2409] [2023-08-30 22:35:17,126 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 22:35:17,138 INFO L208 MainTranslator]: Completed translation [2023-08-30 22:35:17,138 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:35:17 WrapperNode [2023-08-30 22:35:17,138 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-30 22:35:17,139 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-30 22:35:17,139 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-30 22:35:17,140 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-30 22:35:17,144 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:35:17" (1/1) ... [2023-08-30 22:35:17,157 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:35:17" (1/1) ... [2023-08-30 22:35:17,171 INFO L138 Inliner]: procedures = 27, calls = 34, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 102 [2023-08-30 22:35:17,171 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-30 22:35:17,172 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-30 22:35:17,172 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-30 22:35:17,172 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-30 22:35:17,178 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:35:17" (1/1) ... [2023-08-30 22:35:17,178 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:35:17" (1/1) ... [2023-08-30 22:35:17,181 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:35:17" (1/1) ... [2023-08-30 22:35:17,181 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:35:17" (1/1) ... [2023-08-30 22:35:17,186 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:35:17" (1/1) ... [2023-08-30 22:35:17,188 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:35:17" (1/1) ... [2023-08-30 22:35:17,189 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:35:17" (1/1) ... [2023-08-30 22:35:17,190 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:35:17" (1/1) ... [2023-08-30 22:35:17,192 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-30 22:35:17,192 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-30 22:35:17,192 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-30 22:35:17,192 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-30 22:35:17,193 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:35:17" (1/1) ... [2023-08-30 22:35:17,196 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 22:35:17,205 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-30 22:35:17,213 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 22:35:17,237 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 22:35:17,253 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-30 22:35:17,253 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-08-30 22:35:17,253 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-30 22:35:17,253 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-08-30 22:35:17,253 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-08-30 22:35:17,253 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-08-30 22:35:17,253 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-08-30 22:35:17,253 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-08-30 22:35:17,254 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-08-30 22:35:17,254 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-08-30 22:35:17,254 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-08-30 22:35:17,254 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-30 22:35:17,254 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-30 22:35:17,254 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-30 22:35:17,254 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-08-30 22:35:17,256 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 22:35:17,324 INFO L236 CfgBuilder]: Building ICFG [2023-08-30 22:35:17,325 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-30 22:35:17,565 INFO L277 CfgBuilder]: Performing block encoding [2023-08-30 22:35:17,570 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-30 22:35:17,583 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-08-30 22:35:17,584 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 10:35:17 BoogieIcfgContainer [2023-08-30 22:35:17,584 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-30 22:35:17,586 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-30 22:35:17,586 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-30 22:35:17,588 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-30 22:35:17,588 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.08 10:35:16" (1/3) ... [2023-08-30 22:35:17,588 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39c5d323 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 10:35:17, skipping insertion in model container [2023-08-30 22:35:17,588 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:35:17" (2/3) ... [2023-08-30 22:35:17,589 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39c5d323 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 10:35:17, skipping insertion in model container [2023-08-30 22:35:17,589 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 10:35:17" (3/3) ... [2023-08-30 22:35:17,590 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-more-sum-array-hom.wvr.c [2023-08-30 22:35:17,595 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-30 22:35:17,607 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-30 22:35:17,608 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-08-30 22:35:17,608 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-30 22:35:17,718 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2023-08-30 22:35:17,723 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 22:35:17,726 INFO L158 Benchmark]: Toolchain (without parser) took 926.89ms. Allocated memory was 56.6MB in the beginning and 69.2MB in the end (delta: 12.6MB). Free memory was 34.9MB in the beginning and 47.7MB in the end (delta: -12.7MB). Peak memory consumption was 23.3MB. Max. memory is 16.1GB. [2023-08-30 22:35:17,726 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 46.1MB. Free memory was 24.4MB in the beginning and 24.4MB in the end (delta: 37.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-08-30 22:35:17,727 INFO L158 Benchmark]: CACSL2BoogieTranslator took 339.32ms. Allocated memory is still 56.6MB. Free memory was 34.8MB in the beginning and 35.4MB in the end (delta: -647.0kB). Peak memory consumption was 13.3MB. Max. memory is 16.1GB. [2023-08-30 22:35:17,727 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.78ms. Allocated memory is still 56.6MB. Free memory was 35.4MB in the beginning and 33.8MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-30 22:35:17,728 INFO L158 Benchmark]: Boogie Preprocessor took 20.26ms. Allocated memory is still 56.6MB. Free memory was 33.8MB in the beginning and 31.9MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-30 22:35:17,728 INFO L158 Benchmark]: RCFGBuilder took 392.12ms. Allocated memory was 56.6MB in the beginning and 69.2MB in the end (delta: 12.6MB). Free memory was 31.9MB in the beginning and 39.5MB in the end (delta: -7.6MB). Peak memory consumption was 10.0MB. Max. memory is 16.1GB. [2023-08-30 22:35:17,728 INFO L158 Benchmark]: TraceAbstraction took 139.14ms. Allocated memory is still 69.2MB. Free memory was 39.1MB in the beginning and 47.7MB in the end (delta: -8.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-08-30 22:35:17,731 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 46.1MB. Free memory was 24.4MB in the beginning and 24.4MB in the end (delta: 37.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 339.32ms. Allocated memory is still 56.6MB. Free memory was 34.8MB in the beginning and 35.4MB in the end (delta: -647.0kB). Peak memory consumption was 13.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 31.78ms. Allocated memory is still 56.6MB. Free memory was 35.4MB in the beginning and 33.8MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 20.26ms. Allocated memory is still 56.6MB. Free memory was 33.8MB in the beginning and 31.9MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 392.12ms. Allocated memory was 56.6MB in the beginning and 69.2MB in the end (delta: 12.6MB). Free memory was 31.9MB in the beginning and 39.5MB in the end (delta: -7.6MB). Peak memory consumption was 10.0MB. Max. memory is 16.1GB. * TraceAbstraction took 139.14ms. Allocated memory is still 69.2MB. Free memory was 39.1MB in the beginning and 47.7MB in the end (delta: -8.6MB). Peak memory consumption was 14.7MB. 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 22:35:17,756 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