./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/valid-memsafety.prp --file ../../../trunk/examples/svcomp/goblint-regression/28-race_reach_87-lists_racefree.i --full-output --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations DEFORE --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) 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/AutomizerMemDerefMemtrack.xml -i ../../../trunk/examples/svcomp/goblint-regression/28-race_reach_87-lists_racefree.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-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 valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 54b86d528cae3f36fe49030118864df9a90bfa303271cb05b13ff89a15d513aa --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 02:01:35,902 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-30 02:01:35,904 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-30 02:01:35,935 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-30 02:01:35,936 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-30 02:01:35,939 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-30 02:01:35,942 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-30 02:01:35,945 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-30 02:01:35,947 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-30 02:01:35,951 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-30 02:01:35,953 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-30 02:01:35,955 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-30 02:01:35,956 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-30 02:01:35,958 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-30 02:01:35,961 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-30 02:01:35,964 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-30 02:01:35,965 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-30 02:01:35,966 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-30 02:01:35,968 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-30 02:01:35,972 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-30 02:01:35,974 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-30 02:01:35,975 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-30 02:01:35,982 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-30 02:01:35,983 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-30 02:01:35,990 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-30 02:01:35,990 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-30 02:01:35,990 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-30 02:01:35,992 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-30 02:01:35,992 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-30 02:01:35,993 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-30 02:01:35,994 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-30 02:01:35,995 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-30 02:01:35,996 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-30 02:01:35,997 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-30 02:01:35,998 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-30 02:01:35,998 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-30 02:01:35,999 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-30 02:01:35,999 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-30 02:01:35,999 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-30 02:01:36,000 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-30 02:01:36,001 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-30 02:01:36,006 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2023-08-30 02:01:36,046 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-30 02:01:36,046 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-30 02:01:36,048 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-30 02:01:36,048 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-30 02:01:36,049 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-30 02:01:36,049 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-30 02:01:36,049 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-30 02:01:36,050 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-30 02:01:36,050 INFO L138 SettingsManager]: * Use SBE=true [2023-08-30 02:01:36,050 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-30 02:01:36,051 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-30 02:01:36,051 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-30 02:01:36,051 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-30 02:01:36,051 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-30 02:01:36,052 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-30 02:01:36,052 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-08-30 02:01:36,052 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2023-08-30 02:01:36,052 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-08-30 02:01:36,052 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-30 02:01:36,053 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-08-30 02:01:36,053 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-30 02:01:36,053 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-30 02:01:36,053 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-30 02:01:36,053 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-30 02:01:36,054 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-30 02:01:36,054 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 02:01:36,054 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-30 02:01:36,054 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-30 02:01:36,054 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-30 02:01:36,055 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-30 02:01:36,055 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-30 02:01:36,055 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-30 02:01:36,055 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-30 02:01:36,055 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-30 02:01:36,056 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 54b86d528cae3f36fe49030118864df9a90bfa303271cb05b13ff89a15d513aa Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> DEFORE [2023-08-30 02:01:36,378 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-30 02:01:36,400 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-30 02:01:36,403 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-30 02:01:36,404 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-30 02:01:36,404 INFO L275 PluginConnector]: CDTParser initialized [2023-08-30 02:01:36,405 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/28-race_reach_87-lists_racefree.i [2023-08-30 02:01:37,659 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-30 02:01:37,891 INFO L351 CDTParser]: Found 1 translation units. [2023-08-30 02:01:37,892 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_87-lists_racefree.i [2023-08-30 02:01:37,914 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/11fdae830/2337e37330f341b6be869a01f4e9c896/FLAG1f6e3c8c9 [2023-08-30 02:01:37,936 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/11fdae830/2337e37330f341b6be869a01f4e9c896 [2023-08-30 02:01:37,939 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-30 02:01:37,940 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-30 02:01:37,943 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-30 02:01:37,943 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-30 02:01:37,946 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-30 02:01:37,947 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 02:01:37" (1/1) ... [2023-08-30 02:01:37,948 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ba833b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:01:37, skipping insertion in model container [2023-08-30 02:01:37,948 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 02:01:37" (1/1) ... [2023-08-30 02:01:37,954 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-30 02:01:38,017 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-30 02:01:38,446 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_87-lists_racefree.i[47038,47051] [2023-08-30 02:01:38,488 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 02:01:38,573 INFO L203 MainTranslator]: Completed pre-run [2023-08-30 02:01:38,611 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_87-lists_racefree.i[47038,47051] [2023-08-30 02:01:38,635 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 02:01:38,715 INFO L208 MainTranslator]: Completed translation [2023-08-30 02:01:38,716 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:01:38 WrapperNode [2023-08-30 02:01:38,716 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-30 02:01:38,717 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-30 02:01:38,717 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-30 02:01:38,718 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-30 02:01:38,723 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:01:38" (1/1) ... [2023-08-30 02:01:38,752 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:01:38" (1/1) ... [2023-08-30 02:01:38,785 INFO L138 Inliner]: procedures = 278, calls = 60, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 228 [2023-08-30 02:01:38,789 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-30 02:01:38,790 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-30 02:01:38,790 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-30 02:01:38,790 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-30 02:01:38,799 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:01:38" (1/1) ... [2023-08-30 02:01:38,799 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:01:38" (1/1) ... [2023-08-30 02:01:38,809 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:01:38" (1/1) ... [2023-08-30 02:01:38,810 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:01:38" (1/1) ... [2023-08-30 02:01:38,826 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:01:38" (1/1) ... [2023-08-30 02:01:38,829 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:01:38" (1/1) ... [2023-08-30 02:01:38,831 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:01:38" (1/1) ... [2023-08-30 02:01:38,833 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:01:38" (1/1) ... [2023-08-30 02:01:38,836 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-30 02:01:38,842 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-30 02:01:38,843 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-30 02:01:38,843 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-30 02:01:38,844 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:01:38" (1/1) ... [2023-08-30 02:01:38,849 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 02:01:38,860 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-30 02:01:38,873 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 02:01:38,880 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 02:01:38,898 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-30 02:01:38,898 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-08-30 02:01:38,898 INFO L130 BoogieDeclarations]: Found specification of procedure t1_fun [2023-08-30 02:01:38,899 INFO L138 BoogieDeclarations]: Found implementation of procedure t1_fun [2023-08-30 02:01:38,899 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-30 02:01:38,899 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-30 02:01:38,899 INFO L130 BoogieDeclarations]: Found specification of procedure t2_fun [2023-08-30 02:01:38,899 INFO L138 BoogieDeclarations]: Found implementation of procedure t2_fun [2023-08-30 02:01:38,899 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-30 02:01:38,900 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-08-30 02:01:38,901 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-08-30 02:01:38,901 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-30 02:01:38,901 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-08-30 02:01:38,901 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-30 02:01:38,901 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-30 02:01:38,901 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-30 02:01:38,903 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 02:01:39,028 INFO L236 CfgBuilder]: Building ICFG [2023-08-30 02:01:39,029 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-30 02:01:39,579 INFO L277 CfgBuilder]: Performing block encoding [2023-08-30 02:01:39,587 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-30 02:01:39,587 INFO L302 CfgBuilder]: Removed 16 assume(true) statements. [2023-08-30 02:01:39,589 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 02:01:39 BoogieIcfgContainer [2023-08-30 02:01:39,589 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-30 02:01:39,591 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-30 02:01:39,591 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-30 02:01:39,594 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-30 02:01:39,594 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.08 02:01:37" (1/3) ... [2023-08-30 02:01:39,595 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c9c31ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 02:01:39, skipping insertion in model container [2023-08-30 02:01:39,595 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:01:38" (2/3) ... [2023-08-30 02:01:39,595 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c9c31ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 02:01:39, skipping insertion in model container [2023-08-30 02:01:39,596 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 02:01:39" (3/3) ... [2023-08-30 02:01:39,597 INFO L112 eAbstractionObserver]: Analyzing ICFG 28-race_reach_87-lists_racefree.i [2023-08-30 02:01:39,612 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-30 02:01:39,613 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 44 error locations. [2023-08-30 02:01:39,613 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-30 02:01:39,737 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2023-08-30 02:01:39,746 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 02:01:39,753 INFO L158 Benchmark]: Toolchain (without parser) took 1810.71ms. Allocated memory was 77.6MB in the beginning and 98.6MB in the end (delta: 21.0MB). Free memory was 48.4MB in the beginning and 57.0MB in the end (delta: -8.7MB). Peak memory consumption was 23.3MB. Max. memory is 16.1GB. [2023-08-30 02:01:39,754 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 56.6MB. Free memory was 34.5MB in the beginning and 34.4MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. [2023-08-30 02:01:39,755 INFO L158 Benchmark]: CACSL2BoogieTranslator took 773.59ms. Allocated memory is still 77.6MB. Free memory was 48.2MB in the beginning and 51.8MB in the end (delta: -3.6MB). Peak memory consumption was 22.8MB. Max. memory is 16.1GB. [2023-08-30 02:01:39,755 INFO L158 Benchmark]: Boogie Procedure Inliner took 71.35ms. Allocated memory is still 77.6MB. Free memory was 51.8MB in the beginning and 48.6MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-08-30 02:01:39,756 INFO L158 Benchmark]: Boogie Preprocessor took 45.99ms. Allocated memory is still 77.6MB. Free memory was 48.6MB in the beginning and 46.1MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-30 02:01:39,757 INFO L158 Benchmark]: RCFGBuilder took 747.04ms. Allocated memory is still 77.6MB. Free memory was 46.1MB in the beginning and 36.6MB in the end (delta: 9.6MB). Peak memory consumption was 20.0MB. Max. memory is 16.1GB. [2023-08-30 02:01:39,757 INFO L158 Benchmark]: TraceAbstraction took 159.27ms. Allocated memory was 77.6MB in the beginning and 98.6MB in the end (delta: 21.0MB). Free memory was 35.9MB in the beginning and 57.0MB in the end (delta: -21.1MB). Peak memory consumption was 11.9MB. Max. memory is 16.1GB. [2023-08-30 02:01:39,764 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 56.6MB. Free memory was 34.5MB in the beginning and 34.4MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 773.59ms. Allocated memory is still 77.6MB. Free memory was 48.2MB in the beginning and 51.8MB in the end (delta: -3.6MB). Peak memory consumption was 22.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 71.35ms. Allocated memory is still 77.6MB. Free memory was 51.8MB in the beginning and 48.6MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 45.99ms. Allocated memory is still 77.6MB. Free memory was 48.6MB in the beginning and 46.1MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 747.04ms. Allocated memory is still 77.6MB. Free memory was 46.1MB in the beginning and 36.6MB in the end (delta: 9.6MB). Peak memory consumption was 20.0MB. Max. memory is 16.1GB. * TraceAbstraction took 159.27ms. Allocated memory was 77.6MB in the beginning and 98.6MB in the end (delta: 21.0MB). Free memory was 35.9MB in the beginning and 57.0MB in the end (delta: -21.1MB). Peak memory consumption was 11.9MB. 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 02:01:39,791 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../../../trunk/examples/svcomp/goblint-regression/28-race_reach_87-lists_racefree.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-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 valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 54b86d528cae3f36fe49030118864df9a90bfa303271cb05b13ff89a15d513aa --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 02:01:41,676 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-30 02:01:41,679 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-30 02:01:41,723 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-30 02:01:41,723 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-30 02:01:41,727 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-30 02:01:41,729 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-30 02:01:41,732 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-30 02:01:41,734 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-30 02:01:41,740 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-30 02:01:41,741 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-30 02:01:41,743 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-30 02:01:41,744 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-30 02:01:41,746 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-30 02:01:41,747 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-30 02:01:41,752 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-30 02:01:41,752 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-30 02:01:41,754 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-30 02:01:41,755 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-30 02:01:41,757 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-30 02:01:41,759 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-30 02:01:41,760 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-30 02:01:41,760 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-30 02:01:41,761 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-30 02:01:41,765 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-30 02:01:41,766 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-30 02:01:41,766 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-30 02:01:41,768 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-30 02:01:41,769 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-30 02:01:41,769 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-30 02:01:41,770 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-30 02:01:41,771 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-30 02:01:41,773 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-30 02:01:41,774 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-30 02:01:41,774 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-30 02:01:41,775 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-30 02:01:41,775 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-30 02:01:41,775 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-30 02:01:41,776 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-30 02:01:41,783 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-30 02:01:41,784 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-30 02:01:41,786 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2023-08-30 02:01:41,819 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-30 02:01:41,820 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-30 02:01:41,821 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-30 02:01:41,821 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-30 02:01:41,822 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-30 02:01:41,822 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-30 02:01:41,822 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-30 02:01:41,823 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-30 02:01:41,823 INFO L138 SettingsManager]: * Use SBE=true [2023-08-30 02:01:41,823 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-30 02:01:41,824 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-30 02:01:41,824 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-30 02:01:41,824 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-30 02:01:41,825 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-30 02:01:41,825 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-30 02:01:41,825 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-08-30 02:01:41,825 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2023-08-30 02:01:41,825 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-08-30 02:01:41,825 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-30 02:01:41,826 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-08-30 02:01:41,826 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2023-08-30 02:01:41,826 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-08-30 02:01:41,826 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-30 02:01:41,826 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-30 02:01:41,827 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-30 02:01:41,827 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-30 02:01:41,827 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-30 02:01:41,827 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 02:01:41,828 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-30 02:01:41,828 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-30 02:01:41,828 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2023-08-30 02:01:41,828 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-08-30 02:01:41,829 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-30 02:01:41,829 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-30 02:01:41,829 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-30 02:01:41,829 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2023-08-30 02:01:41,829 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-30 02:01:41,829 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 54b86d528cae3f36fe49030118864df9a90bfa303271cb05b13ff89a15d513aa Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> DEFORE [2023-08-30 02:01:42,125 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-30 02:01:42,144 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-30 02:01:42,146 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-30 02:01:42,147 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-30 02:01:42,148 INFO L275 PluginConnector]: CDTParser initialized [2023-08-30 02:01:42,149 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/28-race_reach_87-lists_racefree.i [2023-08-30 02:01:43,373 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-30 02:01:43,718 INFO L351 CDTParser]: Found 1 translation units. [2023-08-30 02:01:43,719 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_87-lists_racefree.i [2023-08-30 02:01:43,741 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/20348b8be/cfb002b4dd024c9bb695b53b18d70ed5/FLAG2f6bdf1e6 [2023-08-30 02:01:43,752 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/20348b8be/cfb002b4dd024c9bb695b53b18d70ed5 [2023-08-30 02:01:43,755 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-30 02:01:43,756 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-30 02:01:43,757 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-30 02:01:43,757 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-30 02:01:43,759 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-30 02:01:43,760 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 02:01:43" (1/1) ... [2023-08-30 02:01:43,761 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5eaa91c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:01:43, skipping insertion in model container [2023-08-30 02:01:43,761 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 02:01:43" (1/1) ... [2023-08-30 02:01:43,767 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-30 02:01:43,813 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-30 02:01:44,186 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_87-lists_racefree.i[47038,47051] [2023-08-30 02:01:44,238 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 02:01:44,364 INFO L203 MainTranslator]: Completed pre-run [2023-08-30 02:01:44,388 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_87-lists_racefree.i[47038,47051] [2023-08-30 02:01:44,398 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 02:01:44,459 INFO L208 MainTranslator]: Completed translation [2023-08-30 02:01:44,460 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:01:44 WrapperNode [2023-08-30 02:01:44,460 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-30 02:01:44,461 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-30 02:01:44,461 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-30 02:01:44,461 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-30 02:01:44,467 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:01:44" (1/1) ... [2023-08-30 02:01:44,501 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:01:44" (1/1) ... [2023-08-30 02:01:44,542 INFO L138 Inliner]: procedures = 282, calls = 60, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 225 [2023-08-30 02:01:44,543 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-30 02:01:44,544 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-30 02:01:44,544 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-30 02:01:44,544 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-30 02:01:44,552 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:01:44" (1/1) ... [2023-08-30 02:01:44,553 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:01:44" (1/1) ... [2023-08-30 02:01:44,568 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:01:44" (1/1) ... [2023-08-30 02:01:44,570 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:01:44" (1/1) ... [2023-08-30 02:01:44,592 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:01:44" (1/1) ... [2023-08-30 02:01:44,599 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:01:44" (1/1) ... [2023-08-30 02:01:44,602 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:01:44" (1/1) ... [2023-08-30 02:01:44,604 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:01:44" (1/1) ... [2023-08-30 02:01:44,609 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-30 02:01:44,614 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-30 02:01:44,614 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-30 02:01:44,614 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-30 02:01:44,615 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:01:44" (1/1) ... [2023-08-30 02:01:44,629 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 02:01:44,640 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-30 02:01:44,653 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 02:01:44,661 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 02:01:44,690 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-08-30 02:01:44,691 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-30 02:01:44,691 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-08-30 02:01:44,691 INFO L130 BoogieDeclarations]: Found specification of procedure t1_fun [2023-08-30 02:01:44,691 INFO L138 BoogieDeclarations]: Found implementation of procedure t1_fun [2023-08-30 02:01:44,692 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-30 02:01:44,692 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-08-30 02:01:44,692 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-08-30 02:01:44,692 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-08-30 02:01:44,692 INFO L130 BoogieDeclarations]: Found specification of procedure t2_fun [2023-08-30 02:01:44,692 INFO L138 BoogieDeclarations]: Found implementation of procedure t2_fun [2023-08-30 02:01:44,693 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-08-30 02:01:44,693 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-08-30 02:01:44,693 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-30 02:01:44,693 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-08-30 02:01:44,693 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-30 02:01:44,693 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-30 02:01:44,695 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 02:01:44,867 INFO L236 CfgBuilder]: Building ICFG [2023-08-30 02:01:44,882 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-30 02:01:45,595 INFO L277 CfgBuilder]: Performing block encoding [2023-08-30 02:01:45,607 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-30 02:01:45,608 INFO L302 CfgBuilder]: Removed 16 assume(true) statements. [2023-08-30 02:01:45,610 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 02:01:45 BoogieIcfgContainer [2023-08-30 02:01:45,610 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-30 02:01:45,612 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-30 02:01:45,613 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-30 02:01:45,616 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-30 02:01:45,616 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.08 02:01:43" (1/3) ... [2023-08-30 02:01:45,617 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5fce517b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 02:01:45, skipping insertion in model container [2023-08-30 02:01:45,617 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:01:44" (2/3) ... [2023-08-30 02:01:45,617 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5fce517b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 02:01:45, skipping insertion in model container [2023-08-30 02:01:45,618 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 02:01:45" (3/3) ... [2023-08-30 02:01:45,619 INFO L112 eAbstractionObserver]: Analyzing ICFG 28-race_reach_87-lists_racefree.i [2023-08-30 02:01:45,634 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-30 02:01:45,634 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 44 error locations. [2023-08-30 02:01:45,635 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-30 02:01:45,795 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2023-08-30 02:01:45,801 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 02:01:45,807 INFO L158 Benchmark]: Toolchain (without parser) took 2049.67ms. Allocated memory was 86.0MB in the beginning and 104.9MB in the end (delta: 18.9MB). Free memory was 62.0MB in the beginning and 71.1MB in the end (delta: -9.2MB). Peak memory consumption was 32.0MB. Max. memory is 16.1GB. [2023-08-30 02:01:45,807 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 71.3MB. Free memory is still 49.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-08-30 02:01:45,808 INFO L158 Benchmark]: CACSL2BoogieTranslator took 703.52ms. Allocated memory is still 86.0MB. Free memory was 61.7MB in the beginning and 44.3MB in the end (delta: 17.4MB). Peak memory consumption was 22.8MB. Max. memory is 16.1GB. [2023-08-30 02:01:45,808 INFO L158 Benchmark]: Boogie Procedure Inliner took 81.84ms. Allocated memory is still 86.0MB. Free memory was 44.3MB in the beginning and 41.5MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-08-30 02:01:45,809 INFO L158 Benchmark]: Boogie Preprocessor took 64.99ms. Allocated memory is still 86.0MB. Free memory was 41.1MB in the beginning and 63.7MB in the end (delta: -22.6MB). Peak memory consumption was 6.1MB. Max. memory is 16.1GB. [2023-08-30 02:01:45,810 INFO L158 Benchmark]: RCFGBuilder took 996.56ms. Allocated memory is still 86.0MB. Free memory was 63.7MB in the beginning and 53.3MB in the end (delta: 10.4MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2023-08-30 02:01:45,815 INFO L158 Benchmark]: TraceAbstraction took 192.32ms. Allocated memory was 86.0MB in the beginning and 104.9MB in the end (delta: 18.9MB). Free memory was 52.9MB in the beginning and 71.1MB in the end (delta: -18.3MB). Peak memory consumption was 22.1MB. Max. memory is 16.1GB. [2023-08-30 02:01:45,819 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 71.3MB. Free memory is still 49.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 703.52ms. Allocated memory is still 86.0MB. Free memory was 61.7MB in the beginning and 44.3MB in the end (delta: 17.4MB). Peak memory consumption was 22.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 81.84ms. Allocated memory is still 86.0MB. Free memory was 44.3MB in the beginning and 41.5MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 64.99ms. Allocated memory is still 86.0MB. Free memory was 41.1MB in the beginning and 63.7MB in the end (delta: -22.6MB). Peak memory consumption was 6.1MB. Max. memory is 16.1GB. * RCFGBuilder took 996.56ms. Allocated memory is still 86.0MB. Free memory was 63.7MB in the beginning and 53.3MB in the end (delta: 10.4MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * TraceAbstraction took 192.32ms. Allocated memory was 86.0MB in the beginning and 104.9MB in the end (delta: 18.9MB). Free memory was 52.9MB in the beginning and 71.1MB in the end (delta: -18.3MB). Peak memory consumption was 22.1MB. 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 02:01:45,841 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: IllegalArgumentException: No enum constant de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TraceAbstractionPreferenceInitializer.InsufficientError.DEFORE