./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/valid-memsafety.prp --file ../../../trunk/examples/svcomp/pthread-atomic/read_write_lock-2.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/pthread-atomic/read_write_lock-2.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 3e2f466b16db44ce2fec1aabf9e70b4ab734ef2801c32e66d10c5bcbcceb5301 --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 01:48:58,878 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-30 01:48:58,880 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-30 01:48:58,922 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-30 01:48:58,924 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-30 01:48:58,927 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-30 01:48:58,929 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-30 01:48:58,931 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-30 01:48:58,933 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-30 01:48:58,938 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-30 01:48:58,939 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-30 01:48:58,941 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-30 01:48:58,941 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-30 01:48:58,942 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-30 01:48:58,943 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-30 01:48:58,947 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-30 01:48:58,950 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-30 01:48:58,951 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-30 01:48:58,953 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-30 01:48:58,955 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-30 01:48:58,959 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-30 01:48:58,961 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-30 01:48:58,962 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-30 01:48:58,963 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-30 01:48:58,966 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-30 01:48:58,969 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-30 01:48:58,969 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-30 01:48:58,970 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-30 01:48:58,972 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-30 01:48:58,972 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-30 01:48:58,973 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-30 01:48:58,975 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-30 01:48:58,976 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-30 01:48:58,977 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-30 01:48:58,978 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-30 01:48:58,979 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-30 01:48:58,980 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-30 01:48:58,980 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-30 01:48:58,980 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-30 01:48:58,981 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-30 01:48:58,981 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-30 01:48:58,982 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2023-08-30 01:48:59,011 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-30 01:48:59,012 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-30 01:48:59,013 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-30 01:48:59,013 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-30 01:48:59,014 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-30 01:48:59,014 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-30 01:48:59,015 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-30 01:48:59,015 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-30 01:48:59,015 INFO L138 SettingsManager]: * Use SBE=true [2023-08-30 01:48:59,015 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-30 01:48:59,016 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-30 01:48:59,016 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-30 01:48:59,016 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-30 01:48:59,016 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-30 01:48:59,017 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-30 01:48:59,017 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-08-30 01:48:59,017 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2023-08-30 01:48:59,017 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-08-30 01:48:59,017 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-30 01:48:59,018 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-08-30 01:48:59,018 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-30 01:48:59,018 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-30 01:48:59,018 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-30 01:48:59,018 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-30 01:48:59,019 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-30 01:48:59,019 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 01:48:59,019 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-30 01:48:59,019 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-30 01:48:59,019 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-30 01:48:59,019 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-30 01:48:59,020 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-30 01:48:59,020 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-30 01:48:59,020 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-30 01:48:59,020 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-30 01:48:59,021 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3e2f466b16db44ce2fec1aabf9e70b4ab734ef2801c32e66d10c5bcbcceb5301 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> DEFORE [2023-08-30 01:48:59,298 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-30 01:48:59,316 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-30 01:48:59,319 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-30 01:48:59,319 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-30 01:48:59,320 INFO L275 PluginConnector]: CDTParser initialized [2023-08-30 01:48:59,321 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-atomic/read_write_lock-2.i [2023-08-30 01:49:00,450 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-30 01:49:00,698 INFO L351 CDTParser]: Found 1 translation units. [2023-08-30 01:49:00,699 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/read_write_lock-2.i [2023-08-30 01:49:00,710 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2719c6b10/9ba6a7f188bd43a6a3d440e5b26765c2/FLAGfc429c312 [2023-08-30 01:49:00,722 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2719c6b10/9ba6a7f188bd43a6a3d440e5b26765c2 [2023-08-30 01:49:00,725 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-30 01:49:00,725 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-30 01:49:00,726 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-30 01:49:00,727 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-30 01:49:00,730 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-30 01:49:00,730 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 01:49:00" (1/1) ... [2023-08-30 01:49:00,731 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73eb5262 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:49:00, skipping insertion in model container [2023-08-30 01:49:00,733 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 01:49:00" (1/1) ... [2023-08-30 01:49:00,738 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-30 01:49:00,783 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-30 01:49:00,952 WARN L633 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-08-30 01:49:01,096 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/read_write_lock-2.i[31244,31257] [2023-08-30 01:49:01,110 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 01:49:01,121 INFO L203 MainTranslator]: Completed pre-run [2023-08-30 01:49:01,143 WARN L633 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-08-30 01:49:01,159 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/read_write_lock-2.i[31244,31257] [2023-08-30 01:49:01,166 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 01:49:01,196 WARN L667 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 01:49:01,197 WARN L667 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 01:49:01,197 WARN L667 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 01:49:01,202 INFO L208 MainTranslator]: Completed translation [2023-08-30 01:49:01,203 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:49:01 WrapperNode [2023-08-30 01:49:01,203 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-30 01:49:01,204 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-30 01:49:01,204 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-30 01:49:01,204 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-30 01:49:01,210 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:49:01" (1/1) ... [2023-08-30 01:49:01,239 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:49:01" (1/1) ... [2023-08-30 01:49:01,267 INFO L138 Inliner]: procedures = 174, calls = 51, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 119 [2023-08-30 01:49:01,268 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-30 01:49:01,269 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-30 01:49:01,269 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-30 01:49:01,269 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-30 01:49:01,276 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:49:01" (1/1) ... [2023-08-30 01:49:01,277 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:49:01" (1/1) ... [2023-08-30 01:49:01,284 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:49:01" (1/1) ... [2023-08-30 01:49:01,284 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:49:01" (1/1) ... [2023-08-30 01:49:01,289 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:49:01" (1/1) ... [2023-08-30 01:49:01,298 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:49:01" (1/1) ... [2023-08-30 01:49:01,300 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:49:01" (1/1) ... [2023-08-30 01:49:01,307 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:49:01" (1/1) ... [2023-08-30 01:49:01,309 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-30 01:49:01,310 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-30 01:49:01,312 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-30 01:49:01,312 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-30 01:49:01,313 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:49:01" (1/1) ... [2023-08-30 01:49:01,318 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 01:49:01,329 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-30 01:49:01,341 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 01:49:01,363 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 01:49:01,376 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-30 01:49:01,376 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-30 01:49:01,376 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-08-30 01:49:01,376 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-30 01:49:01,377 INFO L130 BoogieDeclarations]: Found specification of procedure reader [2023-08-30 01:49:01,377 INFO L138 BoogieDeclarations]: Found implementation of procedure reader [2023-08-30 01:49:01,377 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-30 01:49:01,377 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-30 01:49:01,377 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-30 01:49:01,377 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-08-30 01:49:01,377 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-30 01:49:01,378 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-30 01:49:01,378 INFO L130 BoogieDeclarations]: Found specification of procedure writer [2023-08-30 01:49:01,378 INFO L138 BoogieDeclarations]: Found implementation of procedure writer [2023-08-30 01:49:01,379 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 01:49:01,572 INFO L236 CfgBuilder]: Building ICFG [2023-08-30 01:49:01,574 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-30 01:49:01,784 INFO L277 CfgBuilder]: Performing block encoding [2023-08-30 01:49:01,810 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-30 01:49:01,810 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-08-30 01:49:01,812 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 01:49:01 BoogieIcfgContainer [2023-08-30 01:49:01,812 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-30 01:49:01,814 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-30 01:49:01,814 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-30 01:49:01,816 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-30 01:49:01,816 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.08 01:49:00" (1/3) ... [2023-08-30 01:49:01,817 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37120027 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 01:49:01, skipping insertion in model container [2023-08-30 01:49:01,817 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:49:01" (2/3) ... [2023-08-30 01:49:01,817 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37120027 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 01:49:01, skipping insertion in model container [2023-08-30 01:49:01,817 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 01:49:01" (3/3) ... [2023-08-30 01:49:01,818 INFO L112 eAbstractionObserver]: Analyzing ICFG read_write_lock-2.i [2023-08-30 01:49:01,831 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-30 01:49:01,831 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 18 error locations. [2023-08-30 01:49:01,831 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-30 01:49:01,902 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2023-08-30 01:49:01,908 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 01:49:01,912 INFO L158 Benchmark]: Toolchain (without parser) took 1185.46ms. Allocated memory is still 62.9MB. Free memory was 41.0MB in the beginning and 37.6MB in the end (delta: 3.3MB). Peak memory consumption was 19.4MB. Max. memory is 16.1GB. [2023-08-30 01:49:01,912 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 52.4MB. Free memory was 29.9MB in the beginning and 29.9MB in the end (delta: 41.2kB). There was no memory consumed. Max. memory is 16.1GB. [2023-08-30 01:49:01,913 INFO L158 Benchmark]: CACSL2BoogieTranslator took 476.95ms. Allocated memory is still 62.9MB. Free memory was 40.8MB in the beginning and 37.1MB in the end (delta: 3.6MB). Peak memory consumption was 19.4MB. Max. memory is 16.1GB. [2023-08-30 01:49:01,913 INFO L158 Benchmark]: Boogie Procedure Inliner took 63.74ms. Allocated memory is still 62.9MB. Free memory was 37.1MB in the beginning and 34.9MB in the end (delta: 2.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-08-30 01:49:01,914 INFO L158 Benchmark]: Boogie Preprocessor took 40.42ms. Allocated memory is still 62.9MB. Free memory was 34.9MB in the beginning and 33.4MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2023-08-30 01:49:01,914 INFO L158 Benchmark]: RCFGBuilder took 502.35ms. Allocated memory is still 62.9MB. Free memory was 33.2MB in the beginning and 32.1MB in the end (delta: 1.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-08-30 01:49:01,915 INFO L158 Benchmark]: TraceAbstraction took 96.81ms. Allocated memory is still 62.9MB. Free memory was 31.4MB in the beginning and 37.6MB in the end (delta: -6.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-08-30 01:49:01,917 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 52.4MB. Free memory was 29.9MB in the beginning and 29.9MB in the end (delta: 41.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 476.95ms. Allocated memory is still 62.9MB. Free memory was 40.8MB in the beginning and 37.1MB in the end (delta: 3.6MB). Peak memory consumption was 19.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 63.74ms. Allocated memory is still 62.9MB. Free memory was 37.1MB in the beginning and 34.9MB in the end (delta: 2.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 40.42ms. Allocated memory is still 62.9MB. Free memory was 34.9MB in the beginning and 33.4MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 502.35ms. Allocated memory is still 62.9MB. Free memory was 33.2MB in the beginning and 32.1MB in the end (delta: 1.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 96.81ms. Allocated memory is still 62.9MB. Free memory was 31.4MB in the beginning and 37.6MB in the end (delta: -6.3MB). 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 01:49:01,933 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/pthread-atomic/read_write_lock-2.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 3e2f466b16db44ce2fec1aabf9e70b4ab734ef2801c32e66d10c5bcbcceb5301 --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 01:49:03,788 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-30 01:49:03,790 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-30 01:49:03,834 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-30 01:49:03,836 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-30 01:49:03,839 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-30 01:49:03,841 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-30 01:49:03,843 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-30 01:49:03,845 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-30 01:49:03,849 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-30 01:49:03,851 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-30 01:49:03,853 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-30 01:49:03,853 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-30 01:49:03,855 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-30 01:49:03,856 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-30 01:49:03,861 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-30 01:49:03,862 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-30 01:49:03,862 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-30 01:49:03,864 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-30 01:49:03,867 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-30 01:49:03,869 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-30 01:49:03,875 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-30 01:49:03,876 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-30 01:49:03,877 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-30 01:49:03,884 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-30 01:49:03,885 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-30 01:49:03,885 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-30 01:49:03,886 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-30 01:49:03,887 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-30 01:49:03,887 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-30 01:49:03,888 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-30 01:49:03,892 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-30 01:49:03,893 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-30 01:49:03,894 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-30 01:49:03,894 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-30 01:49:03,894 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-30 01:49:03,895 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-30 01:49:03,895 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-30 01:49:03,895 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-30 01:49:03,896 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-30 01:49:03,896 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-30 01:49:03,898 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2023-08-30 01:49:03,931 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-30 01:49:03,931 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-30 01:49:03,932 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-30 01:49:03,932 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-30 01:49:03,933 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-30 01:49:03,933 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-30 01:49:03,934 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-30 01:49:03,934 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-30 01:49:03,934 INFO L138 SettingsManager]: * Use SBE=true [2023-08-30 01:49:03,934 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-30 01:49:03,935 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-30 01:49:03,935 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-30 01:49:03,935 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-30 01:49:03,936 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-30 01:49:03,936 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-30 01:49:03,936 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-08-30 01:49:03,936 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2023-08-30 01:49:03,936 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-08-30 01:49:03,937 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-30 01:49:03,937 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-08-30 01:49:03,937 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2023-08-30 01:49:03,937 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-08-30 01:49:03,937 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-30 01:49:03,937 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-30 01:49:03,938 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-30 01:49:03,938 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-30 01:49:03,938 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-30 01:49:03,938 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 01:49:03,938 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-30 01:49:03,939 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-30 01:49:03,939 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2023-08-30 01:49:03,939 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-08-30 01:49:03,939 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-30 01:49:03,939 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-30 01:49:03,940 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-30 01:49:03,940 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2023-08-30 01:49:03,940 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-30 01:49:03,940 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3e2f466b16db44ce2fec1aabf9e70b4ab734ef2801c32e66d10c5bcbcceb5301 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> DEFORE [2023-08-30 01:49:04,247 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-30 01:49:04,272 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-30 01:49:04,275 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-30 01:49:04,276 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-30 01:49:04,276 INFO L275 PluginConnector]: CDTParser initialized [2023-08-30 01:49:04,277 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-atomic/read_write_lock-2.i [2023-08-30 01:49:05,357 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-30 01:49:05,609 INFO L351 CDTParser]: Found 1 translation units. [2023-08-30 01:49:05,610 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/read_write_lock-2.i [2023-08-30 01:49:05,622 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/54c70c09d/34d92a7b75994a86a42c89b910badbe1/FLAG40afe9f4f [2023-08-30 01:49:05,633 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/54c70c09d/34d92a7b75994a86a42c89b910badbe1 [2023-08-30 01:49:05,635 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-30 01:49:05,636 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-30 01:49:05,641 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-30 01:49:05,641 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-30 01:49:05,646 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-30 01:49:05,647 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 01:49:05" (1/1) ... [2023-08-30 01:49:05,648 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c8239d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:49:05, skipping insertion in model container [2023-08-30 01:49:05,648 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 01:49:05" (1/1) ... [2023-08-30 01:49:05,654 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-30 01:49:05,681 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-30 01:49:05,865 WARN L633 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-08-30 01:49:06,014 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/read_write_lock-2.i[31244,31257] [2023-08-30 01:49:06,027 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 01:49:06,039 INFO L203 MainTranslator]: Completed pre-run [2023-08-30 01:49:06,061 WARN L633 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-08-30 01:49:06,078 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/read_write_lock-2.i[31244,31257] [2023-08-30 01:49:06,088 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 01:49:06,145 WARN L667 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 01:49:06,146 WARN L667 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 01:49:06,146 WARN L667 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 01:49:06,151 INFO L208 MainTranslator]: Completed translation [2023-08-30 01:49:06,152 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:49:06 WrapperNode [2023-08-30 01:49:06,152 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-30 01:49:06,154 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-30 01:49:06,154 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-30 01:49:06,154 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-30 01:49:06,160 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:49:06" (1/1) ... [2023-08-30 01:49:06,192 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:49:06" (1/1) ... [2023-08-30 01:49:06,216 INFO L138 Inliner]: procedures = 177, calls = 51, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 120 [2023-08-30 01:49:06,216 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-30 01:49:06,217 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-30 01:49:06,217 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-30 01:49:06,217 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-30 01:49:06,225 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:49:06" (1/1) ... [2023-08-30 01:49:06,226 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:49:06" (1/1) ... [2023-08-30 01:49:06,242 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:49:06" (1/1) ... [2023-08-30 01:49:06,243 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:49:06" (1/1) ... [2023-08-30 01:49:06,247 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:49:06" (1/1) ... [2023-08-30 01:49:06,256 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:49:06" (1/1) ... [2023-08-30 01:49:06,258 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:49:06" (1/1) ... [2023-08-30 01:49:06,259 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:49:06" (1/1) ... [2023-08-30 01:49:06,261 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-30 01:49:06,262 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-30 01:49:06,262 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-30 01:49:06,262 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-30 01:49:06,263 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:49:06" (1/1) ... [2023-08-30 01:49:06,269 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 01:49:06,281 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-30 01:49:06,296 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 01:49:06,330 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 01:49:06,336 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-08-30 01:49:06,337 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-08-30 01:49:06,337 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-30 01:49:06,337 INFO L130 BoogieDeclarations]: Found specification of procedure reader [2023-08-30 01:49:06,337 INFO L138 BoogieDeclarations]: Found implementation of procedure reader [2023-08-30 01:49:06,337 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-30 01:49:06,337 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-30 01:49:06,338 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-08-30 01:49:06,338 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-08-30 01:49:06,338 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-08-30 01:49:06,338 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-30 01:49:06,338 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-30 01:49:06,339 INFO L130 BoogieDeclarations]: Found specification of procedure writer [2023-08-30 01:49:06,339 INFO L138 BoogieDeclarations]: Found implementation of procedure writer [2023-08-30 01:49:06,340 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 01:49:06,528 INFO L236 CfgBuilder]: Building ICFG [2023-08-30 01:49:06,530 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-30 01:49:06,841 INFO L277 CfgBuilder]: Performing block encoding [2023-08-30 01:49:06,872 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-30 01:49:06,875 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-08-30 01:49:06,877 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 01:49:06 BoogieIcfgContainer [2023-08-30 01:49:06,877 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-30 01:49:06,879 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-30 01:49:06,879 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-30 01:49:06,886 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-30 01:49:06,887 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.08 01:49:05" (1/3) ... [2023-08-30 01:49:06,887 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6bef861f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 01:49:06, skipping insertion in model container [2023-08-30 01:49:06,887 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:49:06" (2/3) ... [2023-08-30 01:49:06,888 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6bef861f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 01:49:06, skipping insertion in model container [2023-08-30 01:49:06,888 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 01:49:06" (3/3) ... [2023-08-30 01:49:06,889 INFO L112 eAbstractionObserver]: Analyzing ICFG read_write_lock-2.i [2023-08-30 01:49:06,900 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-30 01:49:06,900 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 18 error locations. [2023-08-30 01:49:06,901 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-30 01:49:06,991 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2023-08-30 01:49:06,997 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 01:49:07,001 INFO L158 Benchmark]: Toolchain (without parser) took 1364.07ms. Allocated memory is still 77.6MB. Free memory was 56.9MB in the beginning and 38.5MB in the end (delta: 18.4MB). Peak memory consumption was 19.9MB. Max. memory is 16.1GB. [2023-08-30 01:49:07,001 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 62.9MB. Free memory is still 40.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-08-30 01:49:07,002 INFO L158 Benchmark]: CACSL2BoogieTranslator took 511.85ms. Allocated memory is still 77.6MB. Free memory was 56.8MB in the beginning and 54.3MB in the end (delta: 2.5MB). Peak memory consumption was 23.4MB. Max. memory is 16.1GB. [2023-08-30 01:49:07,002 INFO L158 Benchmark]: Boogie Procedure Inliner took 62.93ms. Allocated memory is still 77.6MB. Free memory was 54.3MB in the beginning and 51.9MB in the end (delta: 2.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-08-30 01:49:07,003 INFO L158 Benchmark]: Boogie Preprocessor took 44.38ms. Allocated memory is still 77.6MB. Free memory was 51.9MB in the beginning and 50.2MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2023-08-30 01:49:07,003 INFO L158 Benchmark]: RCFGBuilder took 615.02ms. Allocated memory is still 77.6MB. Free memory was 50.2MB in the beginning and 51.6MB in the end (delta: -1.4MB). Peak memory consumption was 19.6MB. Max. memory is 16.1GB. [2023-08-30 01:49:07,004 INFO L158 Benchmark]: TraceAbstraction took 120.81ms. Allocated memory is still 77.6MB. Free memory was 50.7MB in the beginning and 38.5MB in the end (delta: 12.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-08-30 01:49:07,006 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 62.9MB. Free memory is still 40.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 511.85ms. Allocated memory is still 77.6MB. Free memory was 56.8MB in the beginning and 54.3MB in the end (delta: 2.5MB). Peak memory consumption was 23.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 62.93ms. Allocated memory is still 77.6MB. Free memory was 54.3MB in the beginning and 51.9MB in the end (delta: 2.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 44.38ms. Allocated memory is still 77.6MB. Free memory was 51.9MB in the beginning and 50.2MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 615.02ms. Allocated memory is still 77.6MB. Free memory was 50.2MB in the beginning and 51.6MB in the end (delta: -1.4MB). Peak memory consumption was 19.6MB. Max. memory is 16.1GB. * TraceAbstraction took 120.81ms. Allocated memory is still 77.6MB. Free memory was 50.7MB in the beginning and 38.5MB in the end (delta: 12.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: IllegalArgumentException: No enum constant de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TraceAbstractionPreferenceInitializer.InsufficientError.DEFORE de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: IllegalArgumentException: No enum constant de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TraceAbstractionPreferenceInitializer.InsufficientError.DEFORE: java.base/java.lang.Enum.valueOf(Enum.java:240) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-08-30 01:49:07,052 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