./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/valid-memsafety.prp --file ../../../trunk/examples/svcomp/pthread-wmm/mix003.oepc.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-wmm/mix003.oepc.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 929f303f9fec34ceeaa6ac57212036dd2a2b082a21c34f6b9e4e20069df7c744 --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 01:49:45,321 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-30 01:49:45,322 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-30 01:49:45,349 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-30 01:49:45,349 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-30 01:49:45,351 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-30 01:49:45,353 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-30 01:49:45,355 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-30 01:49:45,356 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-30 01:49:45,360 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-30 01:49:45,361 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-30 01:49:45,362 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-30 01:49:45,363 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-30 01:49:45,364 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-30 01:49:45,367 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-30 01:49:45,371 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-30 01:49:45,372 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-30 01:49:45,373 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-30 01:49:45,374 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-30 01:49:45,378 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-30 01:49:45,379 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-30 01:49:45,380 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-30 01:49:45,380 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-30 01:49:45,381 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-30 01:49:45,386 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-30 01:49:45,386 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-30 01:49:45,386 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-30 01:49:45,388 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-30 01:49:45,388 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-30 01:49:45,389 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-30 01:49:45,389 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-30 01:49:45,390 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-30 01:49:45,392 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-30 01:49:45,392 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-30 01:49:45,393 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-30 01:49:45,393 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-30 01:49:45,394 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-30 01:49:45,394 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-30 01:49:45,394 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-30 01:49:45,395 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-30 01:49:45,395 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-30 01:49:45,396 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2023-08-30 01:49:45,426 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-30 01:49:45,426 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-30 01:49:45,427 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-30 01:49:45,427 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-30 01:49:45,428 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-30 01:49:45,428 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-30 01:49:45,429 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-30 01:49:45,429 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-30 01:49:45,429 INFO L138 SettingsManager]: * Use SBE=true [2023-08-30 01:49:45,429 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-30 01:49:45,430 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-30 01:49:45,430 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-30 01:49:45,430 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-30 01:49:45,430 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-30 01:49:45,431 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-30 01:49:45,431 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-08-30 01:49:45,431 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2023-08-30 01:49:45,431 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-08-30 01:49:45,431 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-30 01:49:45,431 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-08-30 01:49:45,432 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-30 01:49:45,432 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-30 01:49:45,432 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-30 01:49:45,432 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-30 01:49:45,432 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-30 01:49:45,433 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 01:49:45,433 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-30 01:49:45,433 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-30 01:49:45,433 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-30 01:49:45,433 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-30 01:49:45,433 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-30 01:49:45,434 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-30 01:49:45,434 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-30 01:49:45,434 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-30 01:49:45,434 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 929f303f9fec34ceeaa6ac57212036dd2a2b082a21c34f6b9e4e20069df7c744 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> DEFORE [2023-08-30 01:49:45,695 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-30 01:49:45,719 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-30 01:49:45,721 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-30 01:49:45,722 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-30 01:49:45,722 INFO L275 PluginConnector]: CDTParser initialized [2023-08-30 01:49:45,723 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix003.oepc.i [2023-08-30 01:49:46,602 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-30 01:49:46,781 INFO L351 CDTParser]: Found 1 translation units. [2023-08-30 01:49:46,781 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix003.oepc.i [2023-08-30 01:49:46,800 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/be60ce59e/73c0dd8bd1e74f9ebb97a46485cbe27a/FLAGa606ff3ec [2023-08-30 01:49:46,811 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/be60ce59e/73c0dd8bd1e74f9ebb97a46485cbe27a [2023-08-30 01:49:46,813 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-30 01:49:46,813 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-30 01:49:46,814 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-30 01:49:46,814 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-30 01:49:46,816 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-30 01:49:46,817 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 01:49:46" (1/1) ... [2023-08-30 01:49:46,817 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c5306d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:49:46, skipping insertion in model container [2023-08-30 01:49:46,818 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 01:49:46" (1/1) ... [2023-08-30 01:49:46,822 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-30 01:49:46,858 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-30 01:49:46,999 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-wmm/mix003.oepc.i[945,958] [2023-08-30 01:49:47,160 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 01:49:47,171 INFO L203 MainTranslator]: Completed pre-run [2023-08-30 01:49:47,180 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-wmm/mix003.oepc.i[945,958] [2023-08-30 01:49:47,219 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 01:49:47,255 WARN L667 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 01:49:47,256 WARN L667 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 01:49:47,261 INFO L208 MainTranslator]: Completed translation [2023-08-30 01:49:47,261 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:49:47 WrapperNode [2023-08-30 01:49:47,261 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-30 01:49:47,262 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-30 01:49:47,262 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-30 01:49:47,263 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-30 01:49:47,268 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:49:47" (1/1) ... [2023-08-30 01:49:47,295 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:49:47" (1/1) ... [2023-08-30 01:49:47,317 INFO L138 Inliner]: procedures = 176, calls = 58, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 131 [2023-08-30 01:49:47,319 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-30 01:49:47,320 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-30 01:49:47,320 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-30 01:49:47,320 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-30 01:49:47,326 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:49:47" (1/1) ... [2023-08-30 01:49:47,326 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:49:47" (1/1) ... [2023-08-30 01:49:47,337 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:49:47" (1/1) ... [2023-08-30 01:49:47,337 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:49:47" (1/1) ... [2023-08-30 01:49:47,346 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:49:47" (1/1) ... [2023-08-30 01:49:47,348 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:49:47" (1/1) ... [2023-08-30 01:49:47,349 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:49:47" (1/1) ... [2023-08-30 01:49:47,355 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:49:47" (1/1) ... [2023-08-30 01:49:47,357 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-30 01:49:47,357 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-30 01:49:47,358 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-30 01:49:47,358 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-30 01:49:47,358 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:49:47" (1/1) ... [2023-08-30 01:49:47,363 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 01:49:47,372 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-30 01:49:47,384 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 01:49:47,390 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 01:49:47,410 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-30 01:49:47,411 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-08-30 01:49:47,411 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-30 01:49:47,411 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-30 01:49:47,411 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-30 01:49:47,411 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2023-08-30 01:49:47,411 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2023-08-30 01:49:47,411 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2023-08-30 01:49:47,412 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2023-08-30 01:49:47,412 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2023-08-30 01:49:47,412 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2023-08-30 01:49:47,412 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-30 01:49:47,412 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-08-30 01:49:47,412 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-30 01:49:47,412 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-30 01:49:47,413 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 01:49:47,548 INFO L236 CfgBuilder]: Building ICFG [2023-08-30 01:49:47,549 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-30 01:49:47,794 INFO L277 CfgBuilder]: Performing block encoding [2023-08-30 01:49:47,866 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-30 01:49:47,866 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-08-30 01:49:47,868 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 01:49:47 BoogieIcfgContainer [2023-08-30 01:49:47,868 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-30 01:49:47,869 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-30 01:49:47,869 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-30 01:49:47,871 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-30 01:49:47,871 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.08 01:49:46" (1/3) ... [2023-08-30 01:49:47,872 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7231f73a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 01:49:47, skipping insertion in model container [2023-08-30 01:49:47,872 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:49:47" (2/3) ... [2023-08-30 01:49:47,872 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7231f73a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 01:49:47, skipping insertion in model container [2023-08-30 01:49:47,872 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 01:49:47" (3/3) ... [2023-08-30 01:49:47,873 INFO L112 eAbstractionObserver]: Analyzing ICFG mix003.oepc.i [2023-08-30 01:49:47,884 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-30 01:49:47,884 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 9 error locations. [2023-08-30 01:49:47,884 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-30 01:49:47,917 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-08-30 01:49:47,923 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 01:49:47,928 INFO L158 Benchmark]: Toolchain (without parser) took 1113.65ms. Allocated memory is still 83.9MB. Free memory was 62.7MB in the beginning and 39.7MB in the end (delta: 23.0MB). Peak memory consumption was 22.8MB. Max. memory is 16.1GB. [2023-08-30 01:49:47,928 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 62.9MB. Free memory was 40.6MB in the beginning and 40.5MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-08-30 01:49:47,929 INFO L158 Benchmark]: CACSL2BoogieTranslator took 447.45ms. Allocated memory is still 83.9MB. Free memory was 62.4MB in the beginning and 61.3MB in the end (delta: 1.1MB). Peak memory consumption was 25.9MB. Max. memory is 16.1GB. [2023-08-30 01:49:47,929 INFO L158 Benchmark]: Boogie Procedure Inliner took 56.90ms. Allocated memory is still 83.9MB. Free memory was 61.3MB in the beginning and 58.7MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-30 01:49:47,930 INFO L158 Benchmark]: Boogie Preprocessor took 37.46ms. Allocated memory is still 83.9MB. Free memory was 58.7MB in the beginning and 57.1MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-30 01:49:47,931 INFO L158 Benchmark]: RCFGBuilder took 510.60ms. Allocated memory is still 83.9MB. Free memory was 56.7MB in the beginning and 50.7MB in the end (delta: 6.0MB). Peak memory consumption was 28.3MB. Max. memory is 16.1GB. [2023-08-30 01:49:47,931 INFO L158 Benchmark]: TraceAbstraction took 57.45ms. Allocated memory is still 83.9MB. Free memory was 49.7MB in the beginning and 40.2MB in the end (delta: 9.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-08-30 01:49:47,937 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 62.9MB. Free memory was 40.6MB in the beginning and 40.5MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 447.45ms. Allocated memory is still 83.9MB. Free memory was 62.4MB in the beginning and 61.3MB in the end (delta: 1.1MB). Peak memory consumption was 25.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 56.90ms. Allocated memory is still 83.9MB. Free memory was 61.3MB in the beginning and 58.7MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 37.46ms. Allocated memory is still 83.9MB. Free memory was 58.7MB in the beginning and 57.1MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 510.60ms. Allocated memory is still 83.9MB. Free memory was 56.7MB in the beginning and 50.7MB in the end (delta: 6.0MB). Peak memory consumption was 28.3MB. Max. memory is 16.1GB. * TraceAbstraction took 57.45ms. Allocated memory is still 83.9MB. Free memory was 49.7MB in the beginning and 40.2MB in the end (delta: 9.5MB). 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 01:49:47,955 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../../../trunk/examples/svcomp/pthread-wmm/mix003.oepc.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 929f303f9fec34ceeaa6ac57212036dd2a2b082a21c34f6b9e4e20069df7c744 --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 01:49:49,423 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-30 01:49:49,425 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-30 01:49:49,444 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-30 01:49:49,445 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-30 01:49:49,445 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-30 01:49:49,446 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-30 01:49:49,447 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-30 01:49:49,448 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-30 01:49:49,449 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-30 01:49:49,449 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-30 01:49:49,450 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-30 01:49:49,450 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-30 01:49:49,451 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-30 01:49:49,452 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-30 01:49:49,452 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-30 01:49:49,453 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-30 01:49:49,454 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-30 01:49:49,455 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-30 01:49:49,456 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-30 01:49:49,462 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-30 01:49:49,465 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-30 01:49:49,466 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-30 01:49:49,467 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-30 01:49:49,471 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-30 01:49:49,476 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-30 01:49:49,477 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-30 01:49:49,477 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-30 01:49:49,478 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-30 01:49:49,478 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-30 01:49:49,479 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-30 01:49:49,479 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-30 01:49:49,480 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-30 01:49:49,480 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-30 01:49:49,481 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-30 01:49:49,481 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-30 01:49:49,481 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-30 01:49:49,484 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-30 01:49:49,484 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-30 01:49:49,485 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-30 01:49:49,485 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-30 01:49:49,488 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2023-08-30 01:49:49,503 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-30 01:49:49,503 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-30 01:49:49,504 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-30 01:49:49,504 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-30 01:49:49,504 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-30 01:49:49,504 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-30 01:49:49,505 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-30 01:49:49,505 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-30 01:49:49,505 INFO L138 SettingsManager]: * Use SBE=true [2023-08-30 01:49:49,505 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-30 01:49:49,505 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-30 01:49:49,506 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-30 01:49:49,506 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-30 01:49:49,506 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-30 01:49:49,506 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-30 01:49:49,506 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-08-30 01:49:49,506 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2023-08-30 01:49:49,507 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-08-30 01:49:49,507 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-30 01:49:49,507 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-08-30 01:49:49,507 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2023-08-30 01:49:49,507 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-08-30 01:49:49,507 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-30 01:49:49,507 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-30 01:49:49,508 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-30 01:49:49,508 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-30 01:49:49,508 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-30 01:49:49,508 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 01:49:49,508 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-30 01:49:49,508 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-30 01:49:49,509 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2023-08-30 01:49:49,509 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-08-30 01:49:49,509 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-30 01:49:49,509 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-30 01:49:49,509 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-30 01:49:49,509 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2023-08-30 01:49:49,509 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-30 01:49:49,510 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 929f303f9fec34ceeaa6ac57212036dd2a2b082a21c34f6b9e4e20069df7c744 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> DEFORE [2023-08-30 01:49:49,772 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-30 01:49:49,794 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-30 01:49:49,796 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-30 01:49:49,796 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-30 01:49:49,797 INFO L275 PluginConnector]: CDTParser initialized [2023-08-30 01:49:49,797 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix003.oepc.i [2023-08-30 01:49:50,764 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-30 01:49:50,939 INFO L351 CDTParser]: Found 1 translation units. [2023-08-30 01:49:50,939 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix003.oepc.i [2023-08-30 01:49:50,947 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/361a8083a/27cc9cb8a12b4fb2aa0df72dd4ad3992/FLAG4f23cd8a7 [2023-08-30 01:49:50,956 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/361a8083a/27cc9cb8a12b4fb2aa0df72dd4ad3992 [2023-08-30 01:49:50,957 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-30 01:49:50,958 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-30 01:49:50,959 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-30 01:49:50,959 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-30 01:49:50,961 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-30 01:49:50,962 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 01:49:50" (1/1) ... [2023-08-30 01:49:50,964 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f78ad2d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:49:50, skipping insertion in model container [2023-08-30 01:49:50,964 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 01:49:50" (1/1) ... [2023-08-30 01:49:50,968 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-30 01:49:50,993 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-30 01:49:51,091 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-wmm/mix003.oepc.i[945,958] [2023-08-30 01:49:51,262 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 01:49:51,272 INFO L203 MainTranslator]: Completed pre-run [2023-08-30 01:49:51,281 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-wmm/mix003.oepc.i[945,958] [2023-08-30 01:49:51,324 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 01:49:51,398 WARN L667 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 01:49:51,398 WARN L667 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 01:49:51,403 INFO L208 MainTranslator]: Completed translation [2023-08-30 01:49:51,403 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:49:51 WrapperNode [2023-08-30 01:49:51,403 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-30 01:49:51,404 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-30 01:49:51,405 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-30 01:49:51,405 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-30 01:49:51,409 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:49:51" (1/1) ... [2023-08-30 01:49:51,437 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:49:51" (1/1) ... [2023-08-30 01:49:51,466 INFO L138 Inliner]: procedures = 179, calls = 58, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 132 [2023-08-30 01:49:51,467 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-30 01:49:51,467 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-30 01:49:51,467 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-30 01:49:51,468 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-30 01:49:51,473 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:49:51" (1/1) ... [2023-08-30 01:49:51,474 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:49:51" (1/1) ... [2023-08-30 01:49:51,483 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:49:51" (1/1) ... [2023-08-30 01:49:51,484 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:49:51" (1/1) ... [2023-08-30 01:49:51,497 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:49:51" (1/1) ... [2023-08-30 01:49:51,513 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:49:51" (1/1) ... [2023-08-30 01:49:51,514 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:49:51" (1/1) ... [2023-08-30 01:49:51,519 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:49:51" (1/1) ... [2023-08-30 01:49:51,521 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-30 01:49:51,523 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-30 01:49:51,523 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-30 01:49:51,523 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-30 01:49:51,524 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:49:51" (1/1) ... [2023-08-30 01:49:51,528 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 01:49:51,535 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-30 01:49:51,588 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 01:49:51,596 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 01:49:51,615 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-08-30 01:49:51,615 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-30 01:49:51,615 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-30 01:49:51,615 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-30 01:49:51,616 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-08-30 01:49:51,616 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-08-30 01:49:51,616 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2023-08-30 01:49:51,616 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2023-08-30 01:49:51,616 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2023-08-30 01:49:51,616 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2023-08-30 01:49:51,616 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2023-08-30 01:49:51,616 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2023-08-30 01:49:51,616 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-08-30 01:49:51,616 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-30 01:49:51,616 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-30 01:49:51,618 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 01:49:51,720 INFO L236 CfgBuilder]: Building ICFG [2023-08-30 01:49:51,734 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-30 01:49:52,083 INFO L277 CfgBuilder]: Performing block encoding [2023-08-30 01:49:52,167 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-30 01:49:52,169 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-08-30 01:49:52,171 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 01:49:52 BoogieIcfgContainer [2023-08-30 01:49:52,171 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-30 01:49:52,172 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-30 01:49:52,173 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-30 01:49:52,174 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-30 01:49:52,175 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.08 01:49:50" (1/3) ... [2023-08-30 01:49:52,175 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4af9913f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 01:49:52, skipping insertion in model container [2023-08-30 01:49:52,175 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:49:51" (2/3) ... [2023-08-30 01:49:52,176 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4af9913f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 01:49:52, skipping insertion in model container [2023-08-30 01:49:52,176 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 01:49:52" (3/3) ... [2023-08-30 01:49:52,177 INFO L112 eAbstractionObserver]: Analyzing ICFG mix003.oepc.i [2023-08-30 01:49:52,195 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-30 01:49:52,196 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 9 error locations. [2023-08-30 01:49:52,196 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-30 01:49:52,241 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-08-30 01:49:52,245 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 01:49:52,249 INFO L158 Benchmark]: Toolchain (without parser) took 1290.11ms. Allocated memory is still 92.3MB. Free memory was 68.7MB in the beginning and 56.2MB in the end (delta: 12.5MB). Peak memory consumption was 33.1MB. Max. memory is 16.1GB. [2023-08-30 01:49:52,249 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 67.1MB. Free memory is still 45.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-08-30 01:49:52,249 INFO L158 Benchmark]: CACSL2BoogieTranslator took 444.95ms. Allocated memory is still 92.3MB. Free memory was 68.7MB in the beginning and 65.9MB in the end (delta: 2.8MB). Peak memory consumption was 24.7MB. Max. memory is 16.1GB. [2023-08-30 01:49:52,250 INFO L158 Benchmark]: Boogie Procedure Inliner took 62.19ms. Allocated memory is still 92.3MB. Free memory was 65.9MB in the beginning and 63.4MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-30 01:49:52,250 INFO L158 Benchmark]: Boogie Preprocessor took 55.28ms. Allocated memory is still 92.3MB. Free memory was 63.4MB in the beginning and 61.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-30 01:49:52,251 INFO L158 Benchmark]: RCFGBuilder took 648.39ms. Allocated memory is still 92.3MB. Free memory was 61.3MB in the beginning and 43.5MB in the end (delta: 17.8MB). Peak memory consumption was 22.2MB. Max. memory is 16.1GB. [2023-08-30 01:49:52,251 INFO L158 Benchmark]: TraceAbstraction took 75.19ms. Allocated memory is still 92.3MB. Free memory was 43.1MB in the beginning and 56.2MB in the end (delta: -13.1MB). Peak memory consumption was 5.0MB. Max. memory is 16.1GB. [2023-08-30 01:49:52,254 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 67.1MB. Free memory is still 45.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 444.95ms. Allocated memory is still 92.3MB. Free memory was 68.7MB in the beginning and 65.9MB in the end (delta: 2.8MB). Peak memory consumption was 24.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 62.19ms. Allocated memory is still 92.3MB. Free memory was 65.9MB in the beginning and 63.4MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 55.28ms. Allocated memory is still 92.3MB. Free memory was 63.4MB in the beginning and 61.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 648.39ms. Allocated memory is still 92.3MB. Free memory was 61.3MB in the beginning and 43.5MB in the end (delta: 17.8MB). Peak memory consumption was 22.2MB. Max. memory is 16.1GB. * TraceAbstraction took 75.19ms. Allocated memory is still 92.3MB. Free memory was 43.1MB in the beginning and 56.2MB in the end (delta: -13.1MB). Peak memory consumption was 5.0MB. 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 01:49:52,269 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