./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/no-overflow.prp --file ../../../trunk/examples/svcomp/pthread-lit/qw2004-2b.i --full-output --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations DEFORE --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version b8dbc81d Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../../../trunk/examples/svcomp/pthread-lit/qw2004-2b.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-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 ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f17f6182d2330561fe6717b6a061d0dded698483f9e32b37a3b36e1144855a29 --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 12:25:08,339 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-30 12:25:08,341 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-30 12:25:08,370 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-30 12:25:08,371 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-30 12:25:08,373 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-30 12:25:08,375 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-30 12:25:08,377 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-30 12:25:08,378 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-30 12:25:08,381 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-30 12:25:08,382 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-30 12:25:08,384 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-30 12:25:08,384 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-30 12:25:08,385 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-30 12:25:08,386 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-30 12:25:08,390 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-30 12:25:08,391 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-30 12:25:08,392 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-30 12:25:08,393 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-30 12:25:08,396 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-30 12:25:08,406 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-30 12:25:08,406 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-30 12:25:08,407 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-30 12:25:08,408 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-30 12:25:08,413 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-30 12:25:08,413 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-30 12:25:08,413 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-30 12:25:08,414 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-30 12:25:08,415 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-30 12:25:08,415 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-30 12:25:08,416 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-30 12:25:08,417 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-30 12:25:08,418 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-30 12:25:08,418 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-30 12:25:08,419 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-30 12:25:08,419 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-30 12:25:08,420 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-30 12:25:08,420 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-30 12:25:08,420 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-30 12:25:08,421 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-30 12:25:08,421 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-30 12:25:08,422 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2023-08-30 12:25:08,448 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-30 12:25:08,448 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-30 12:25:08,449 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-30 12:25:08,449 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-30 12:25:08,450 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-30 12:25:08,450 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-30 12:25:08,450 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-30 12:25:08,450 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-30 12:25:08,450 INFO L138 SettingsManager]: * Use SBE=true [2023-08-30 12:25:08,451 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-30 12:25:08,451 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-30 12:25:08,451 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-30 12:25:08,452 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-30 12:25:08,452 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-30 12:25:08,452 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-30 12:25:08,452 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-30 12:25:08,452 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-30 12:25:08,452 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-30 12:25:08,452 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2023-08-30 12:25:08,453 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-30 12:25:08,453 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-30 12:25:08,453 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-30 12:25:08,453 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-30 12:25:08,453 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-30 12:25:08,453 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-30 12:25:08,454 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-30 12:25:08,454 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 12:25:08,454 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-30 12:25:08,454 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-30 12:25:08,454 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-30 12:25:08,454 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-30 12:25:08,454 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-30 12:25:08,455 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-30 12:25:08,455 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-30 12:25:08,455 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-30 12:25:08,455 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-30 12:25:08,455 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-30 12:25:08,455 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f17f6182d2330561fe6717b6a061d0dded698483f9e32b37a3b36e1144855a29 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> DEFORE [2023-08-30 12:25:08,698 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-30 12:25:08,712 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-30 12:25:08,713 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-30 12:25:08,714 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-30 12:25:08,714 INFO L275 PluginConnector]: CDTParser initialized [2023-08-30 12:25:08,715 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-lit/qw2004-2b.i [2023-08-30 12:25:09,670 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-30 12:25:09,950 INFO L351 CDTParser]: Found 1 translation units. [2023-08-30 12:25:09,950 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-lit/qw2004-2b.i [2023-08-30 12:25:09,990 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/376d6d808/afa7e60246d44d3ca315bf368a19b304/FLAG996b5d19c [2023-08-30 12:25:10,003 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/376d6d808/afa7e60246d44d3ca315bf368a19b304 [2023-08-30 12:25:10,005 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-30 12:25:10,006 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-30 12:25:10,008 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-30 12:25:10,008 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-30 12:25:10,010 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-30 12:25:10,011 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 12:25:10" (1/1) ... [2023-08-30 12:25:10,012 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@cdea85b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:25:10, skipping insertion in model container [2023-08-30 12:25:10,013 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 12:25:10" (1/1) ... [2023-08-30 12:25:10,017 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-30 12:25:10,051 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-30 12:25:10,253 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-lit/qw2004-2b.i[30003,30016] [2023-08-30 12:25:10,269 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 12:25:10,275 INFO L203 MainTranslator]: Completed pre-run [2023-08-30 12:25:10,302 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-lit/qw2004-2b.i[30003,30016] [2023-08-30 12:25:10,316 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 12:25:10,343 WARN L667 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 12:25:10,343 WARN L667 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 12:25:10,348 INFO L208 MainTranslator]: Completed translation [2023-08-30 12:25:10,348 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:25:10 WrapperNode [2023-08-30 12:25:10,348 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-30 12:25:10,349 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-30 12:25:10,349 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-30 12:25:10,349 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-30 12:25:10,354 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:25:10" (1/1) ... [2023-08-30 12:25:10,368 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:25:10" (1/1) ... [2023-08-30 12:25:10,395 INFO L138 Inliner]: procedures = 175, calls = 36, calls flagged for inlining = 9, calls inlined = 10, statements flattened = 123 [2023-08-30 12:25:10,396 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-30 12:25:10,396 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-30 12:25:10,396 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-30 12:25:10,396 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-30 12:25:10,401 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:25:10" (1/1) ... [2023-08-30 12:25:10,402 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:25:10" (1/1) ... [2023-08-30 12:25:10,406 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:25:10" (1/1) ... [2023-08-30 12:25:10,406 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:25:10" (1/1) ... [2023-08-30 12:25:10,410 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:25:10" (1/1) ... [2023-08-30 12:25:10,412 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:25:10" (1/1) ... [2023-08-30 12:25:10,416 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:25:10" (1/1) ... [2023-08-30 12:25:10,417 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:25:10" (1/1) ... [2023-08-30 12:25:10,421 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-30 12:25:10,422 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-30 12:25:10,422 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-30 12:25:10,422 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-30 12:25:10,423 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:25:10" (1/1) ... [2023-08-30 12:25:10,427 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 12:25:10,435 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-30 12:25:10,444 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 12:25:10,454 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 12:25:10,468 INFO L130 BoogieDeclarations]: Found specification of procedure BCSP_PnpStop [2023-08-30 12:25:10,468 INFO L138 BoogieDeclarations]: Found implementation of procedure BCSP_PnpStop [2023-08-30 12:25:10,468 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-30 12:25:10,469 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-08-30 12:25:10,469 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-30 12:25:10,469 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-30 12:25:10,469 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-30 12:25:10,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-30 12:25:10,469 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-08-30 12:25:10,469 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-30 12:25:10,469 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-30 12:25:10,470 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 12:25:10,573 INFO L236 CfgBuilder]: Building ICFG [2023-08-30 12:25:10,575 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-30 12:25:10,773 INFO L277 CfgBuilder]: Performing block encoding [2023-08-30 12:25:10,825 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-30 12:25:10,825 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-08-30 12:25:10,827 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 12:25:10 BoogieIcfgContainer [2023-08-30 12:25:10,827 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-30 12:25:10,828 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-30 12:25:10,828 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-30 12:25:10,830 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-30 12:25:10,830 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.08 12:25:10" (1/3) ... [2023-08-30 12:25:10,830 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3bc5061e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 12:25:10, skipping insertion in model container [2023-08-30 12:25:10,830 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:25:10" (2/3) ... [2023-08-30 12:25:10,831 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3bc5061e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 12:25:10, skipping insertion in model container [2023-08-30 12:25:10,831 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 12:25:10" (3/3) ... [2023-08-30 12:25:10,831 INFO L112 eAbstractionObserver]: Analyzing ICFG qw2004-2b.i [2023-08-30 12:25:10,836 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-30 12:25:10,844 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-30 12:25:10,844 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2023-08-30 12:25:10,844 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-30 12:25:10,908 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-08-30 12:25:10,913 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 12:25:10,917 INFO L158 Benchmark]: Toolchain (without parser) took 910.35ms. Allocated memory is still 100.7MB. Free memory was 77.8MB in the beginning and 60.4MB in the end (delta: 17.3MB). Peak memory consumption was 17.2MB. Max. memory is 16.1GB. [2023-08-30 12:25:10,917 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 67.1MB. Free memory was 45.7MB in the beginning and 45.7MB in the end (delta: 78.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-08-30 12:25:10,918 INFO L158 Benchmark]: CACSL2BoogieTranslator took 340.61ms. Allocated memory is still 100.7MB. Free memory was 77.5MB in the beginning and 57.9MB in the end (delta: 19.6MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-08-30 12:25:10,919 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.53ms. Allocated memory is still 100.7MB. Free memory was 57.9MB in the beginning and 55.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-30 12:25:10,919 INFO L158 Benchmark]: Boogie Preprocessor took 25.03ms. Allocated memory is still 100.7MB. Free memory was 55.8MB in the beginning and 54.3MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2023-08-30 12:25:10,920 INFO L158 Benchmark]: RCFGBuilder took 405.19ms. Allocated memory is still 100.7MB. Free memory was 54.3MB in the beginning and 68.2MB in the end (delta: -13.9MB). Peak memory consumption was 8.9MB. Max. memory is 16.1GB. [2023-08-30 12:25:10,920 INFO L158 Benchmark]: TraceAbstraction took 87.89ms. Allocated memory is still 100.7MB. Free memory was 67.2MB in the beginning and 60.4MB in the end (delta: 6.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-08-30 12:25:10,925 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 67.1MB. Free memory was 45.7MB in the beginning and 45.7MB in the end (delta: 78.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 340.61ms. Allocated memory is still 100.7MB. Free memory was 77.5MB in the beginning and 57.9MB in the end (delta: 19.6MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 46.53ms. Allocated memory is still 100.7MB. Free memory was 57.9MB in the beginning and 55.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 25.03ms. Allocated memory is still 100.7MB. Free memory was 55.8MB in the beginning and 54.3MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 405.19ms. Allocated memory is still 100.7MB. Free memory was 54.3MB in the beginning and 68.2MB in the end (delta: -13.9MB). Peak memory consumption was 8.9MB. Max. memory is 16.1GB. * TraceAbstraction took 87.89ms. Allocated memory is still 100.7MB. Free memory was 67.2MB in the beginning and 60.4MB in the end (delta: 6.8MB). Peak memory consumption was 6.3MB. 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 12:25:10,943 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../../../trunk/examples/svcomp/pthread-lit/qw2004-2b.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-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 ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f17f6182d2330561fe6717b6a061d0dded698483f9e32b37a3b36e1144855a29 --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 12:25:12,812 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-30 12:25:12,814 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-30 12:25:12,851 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-30 12:25:12,853 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-30 12:25:12,856 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-30 12:25:12,858 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-30 12:25:12,861 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-30 12:25:12,863 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-30 12:25:12,868 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-30 12:25:12,869 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-30 12:25:12,871 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-30 12:25:12,871 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-30 12:25:12,872 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-30 12:25:12,873 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-30 12:25:12,877 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-30 12:25:12,878 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-30 12:25:12,879 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-30 12:25:12,880 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-30 12:25:12,884 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-30 12:25:12,893 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-30 12:25:12,894 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-30 12:25:12,895 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-30 12:25:12,895 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-30 12:25:12,897 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-30 12:25:12,898 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-30 12:25:12,898 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-30 12:25:12,900 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-30 12:25:12,900 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-30 12:25:12,900 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-30 12:25:12,901 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-30 12:25:12,902 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-30 12:25:12,903 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-30 12:25:12,904 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-30 12:25:12,905 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-30 12:25:12,905 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-30 12:25:12,905 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-30 12:25:12,906 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-30 12:25:12,906 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-30 12:25:12,906 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-30 12:25:12,907 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-30 12:25:12,908 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Bitvector.epf [2023-08-30 12:25:12,935 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-30 12:25:12,935 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-30 12:25:12,936 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-30 12:25:12,936 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-30 12:25:12,937 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-30 12:25:12,937 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-30 12:25:12,937 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-30 12:25:12,938 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-30 12:25:12,938 INFO L138 SettingsManager]: * Use SBE=true [2023-08-30 12:25:12,938 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-30 12:25:12,939 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-30 12:25:12,939 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-30 12:25:12,939 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-30 12:25:12,939 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-30 12:25:12,939 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-30 12:25:12,939 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-30 12:25:12,940 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-30 12:25:12,940 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-08-30 12:25:12,940 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2023-08-30 12:25:12,940 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2023-08-30 12:25:12,940 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-08-30 12:25:12,940 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-30 12:25:12,940 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-30 12:25:12,941 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-30 12:25:12,941 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-30 12:25:12,941 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-30 12:25:12,941 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-30 12:25:12,941 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-30 12:25:12,941 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 12:25:12,942 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-30 12:25:12,942 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-30 12:25:12,942 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-30 12:25:12,942 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2023-08-30 12:25:12,942 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-08-30 12:25:12,942 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-30 12:25:12,943 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-30 12:25:12,943 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-30 12:25:12,943 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-30 12:25:12,943 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2023-08-30 12:25:12,943 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-30 12:25:12,943 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f17f6182d2330561fe6717b6a061d0dded698483f9e32b37a3b36e1144855a29 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> DEFORE [2023-08-30 12:25:13,199 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-30 12:25:13,211 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-30 12:25:13,213 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-30 12:25:13,214 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-30 12:25:13,214 INFO L275 PluginConnector]: CDTParser initialized [2023-08-30 12:25:13,215 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-lit/qw2004-2b.i [2023-08-30 12:25:14,253 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-30 12:25:14,405 INFO L351 CDTParser]: Found 1 translation units. [2023-08-30 12:25:14,405 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-lit/qw2004-2b.i [2023-08-30 12:25:14,421 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/82f51ed69/564a2a58fcc3467bafd3b0b1987386ee/FLAG7042431fc [2023-08-30 12:25:14,431 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/82f51ed69/564a2a58fcc3467bafd3b0b1987386ee [2023-08-30 12:25:14,434 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-30 12:25:14,435 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-30 12:25:14,438 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-30 12:25:14,438 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-30 12:25:14,440 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-30 12:25:14,441 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 12:25:14" (1/1) ... [2023-08-30 12:25:14,441 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22a669aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:25:14, skipping insertion in model container [2023-08-30 12:25:14,441 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 12:25:14" (1/1) ... [2023-08-30 12:25:14,446 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-30 12:25:14,485 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-30 12:25:14,719 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-lit/qw2004-2b.i[30003,30016] [2023-08-30 12:25:14,741 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 12:25:14,751 INFO L203 MainTranslator]: Completed pre-run [2023-08-30 12:25:14,788 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-lit/qw2004-2b.i[30003,30016] [2023-08-30 12:25:14,816 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 12:25:14,844 WARN L667 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 12:25:14,844 WARN L667 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 12:25:14,849 INFO L208 MainTranslator]: Completed translation [2023-08-30 12:25:14,849 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:25:14 WrapperNode [2023-08-30 12:25:14,850 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-30 12:25:14,851 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-30 12:25:14,851 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-30 12:25:14,851 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-30 12:25:14,856 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:25:14" (1/1) ... [2023-08-30 12:25:14,883 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:25:14" (1/1) ... [2023-08-30 12:25:14,906 INFO L138 Inliner]: procedures = 178, calls = 36, calls flagged for inlining = 9, calls inlined = 10, statements flattened = 121 [2023-08-30 12:25:14,906 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-30 12:25:14,907 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-30 12:25:14,907 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-30 12:25:14,907 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-30 12:25:14,914 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:25:14" (1/1) ... [2023-08-30 12:25:14,914 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:25:14" (1/1) ... [2023-08-30 12:25:14,926 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:25:14" (1/1) ... [2023-08-30 12:25:14,927 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:25:14" (1/1) ... [2023-08-30 12:25:14,935 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:25:14" (1/1) ... [2023-08-30 12:25:14,940 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:25:14" (1/1) ... [2023-08-30 12:25:14,943 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:25:14" (1/1) ... [2023-08-30 12:25:14,947 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:25:14" (1/1) ... [2023-08-30 12:25:14,961 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-30 12:25:14,961 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-30 12:25:14,961 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-30 12:25:14,962 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-30 12:25:14,962 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:25:14" (1/1) ... [2023-08-30 12:25:14,966 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 12:25:14,989 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-30 12:25:15,030 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 12:25:15,103 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 12:25:15,125 INFO L130 BoogieDeclarations]: Found specification of procedure BCSP_PnpStop [2023-08-30 12:25:15,125 INFO L138 BoogieDeclarations]: Found implementation of procedure BCSP_PnpStop [2023-08-30 12:25:15,125 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-08-30 12:25:15,125 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-30 12:25:15,126 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-30 12:25:15,126 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-30 12:25:15,126 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-08-30 12:25:15,126 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-08-30 12:25:15,126 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-08-30 12:25:15,126 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-30 12:25:15,127 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-30 12:25:15,128 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 12:25:15,266 INFO L236 CfgBuilder]: Building ICFG [2023-08-30 12:25:15,268 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-30 12:25:15,406 INFO L277 CfgBuilder]: Performing block encoding [2023-08-30 12:25:15,437 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-30 12:25:15,437 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-08-30 12:25:15,439 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 12:25:15 BoogieIcfgContainer [2023-08-30 12:25:15,439 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-30 12:25:15,441 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-30 12:25:15,441 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-30 12:25:15,443 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-30 12:25:15,443 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.08 12:25:14" (1/3) ... [2023-08-30 12:25:15,444 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@735b6c2f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 12:25:15, skipping insertion in model container [2023-08-30 12:25:15,444 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 12:25:14" (2/3) ... [2023-08-30 12:25:15,444 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@735b6c2f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 12:25:15, skipping insertion in model container [2023-08-30 12:25:15,444 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 12:25:15" (3/3) ... [2023-08-30 12:25:15,445 INFO L112 eAbstractionObserver]: Analyzing ICFG qw2004-2b.i [2023-08-30 12:25:15,451 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-30 12:25:15,457 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-30 12:25:15,458 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2023-08-30 12:25:15,458 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-30 12:25:15,521 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-08-30 12:25:15,526 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 12:25:15,533 INFO L158 Benchmark]: Toolchain (without parser) took 1096.60ms. Allocated memory was 65.0MB in the beginning and 96.5MB in the end (delta: 31.5MB). Free memory was 29.8MB in the beginning and 56.3MB in the end (delta: -26.4MB). Peak memory consumption was 5.5MB. Max. memory is 16.1GB. [2023-08-30 12:25:15,533 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 65.0MB. Free memory is still 43.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-08-30 12:25:15,533 INFO L158 Benchmark]: CACSL2BoogieTranslator took 412.28ms. Allocated memory was 65.0MB in the beginning and 96.5MB in the end (delta: 31.5MB). Free memory was 29.6MB in the beginning and 57.6MB in the end (delta: -28.0MB). Peak memory consumption was 3.2MB. Max. memory is 16.1GB. [2023-08-30 12:25:15,534 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.88ms. Allocated memory is still 96.5MB. Free memory was 57.6MB in the beginning and 55.4MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-30 12:25:15,534 INFO L158 Benchmark]: Boogie Preprocessor took 54.00ms. Allocated memory is still 96.5MB. Free memory was 55.4MB in the beginning and 53.4MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-30 12:25:15,534 INFO L158 Benchmark]: RCFGBuilder took 478.00ms. Allocated memory is still 96.5MB. Free memory was 53.4MB in the beginning and 64.6MB in the end (delta: -11.3MB). Peak memory consumption was 12.7MB. Max. memory is 16.1GB. [2023-08-30 12:25:15,535 INFO L158 Benchmark]: TraceAbstraction took 90.76ms. Allocated memory is still 96.5MB. Free memory was 64.0MB in the beginning and 56.3MB in the end (delta: 7.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-08-30 12:25:15,537 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 65.0MB. Free memory is still 43.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 412.28ms. Allocated memory was 65.0MB in the beginning and 96.5MB in the end (delta: 31.5MB). Free memory was 29.6MB in the beginning and 57.6MB in the end (delta: -28.0MB). Peak memory consumption was 3.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 55.88ms. Allocated memory is still 96.5MB. Free memory was 57.6MB in the beginning and 55.4MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 54.00ms. Allocated memory is still 96.5MB. Free memory was 55.4MB in the beginning and 53.4MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 478.00ms. Allocated memory is still 96.5MB. Free memory was 53.4MB in the beginning and 64.6MB in the end (delta: -11.3MB). Peak memory consumption was 12.7MB. Max. memory is 16.1GB. * TraceAbstraction took 90.76ms. Allocated memory is still 96.5MB. Free memory was 64.0MB in the beginning and 56.3MB in the end (delta: 7.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: IllegalArgumentException: No enum constant de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TraceAbstractionPreferenceInitializer.InsufficientError.DEFORE de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: IllegalArgumentException: No enum constant de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TraceAbstractionPreferenceInitializer.InsufficientError.DEFORE: java.base/java.lang.Enum.valueOf(Enum.java:240) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-08-30 12:25:15,566 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: IllegalArgumentException: No enum constant de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TraceAbstractionPreferenceInitializer.InsufficientError.DEFORE