./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/pthread/queue_longer.i --full-output --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations DEFORE --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b8dbc81d Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../../../trunk/examples/svcomp/pthread/queue_longer.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 9f874a9872f93f025fac23ebed37f94a1f3b80bd0133ea4d7e298577c4fec427 --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations DEFORE --- Real Ultimate output --- This is Ultimate 0.2.3-?-b8dbc81 [2023-08-30 22:19:12,151 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-30 22:19:12,153 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-30 22:19:12,195 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-30 22:19:12,197 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-30 22:19:12,200 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-30 22:19:12,202 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-30 22:19:12,204 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-30 22:19:12,206 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-30 22:19:12,211 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-30 22:19:12,212 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-30 22:19:12,214 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-30 22:19:12,215 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-30 22:19:12,216 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-30 22:19:12,217 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-30 22:19:12,222 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-30 22:19:12,223 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-30 22:19:12,224 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-30 22:19:12,226 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-30 22:19:12,232 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-30 22:19:12,238 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-30 22:19:12,239 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-30 22:19:12,240 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-30 22:19:12,241 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-30 22:19:12,247 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-30 22:19:12,248 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-30 22:19:12,248 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-30 22:19:12,250 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-30 22:19:12,250 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-30 22:19:12,251 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-30 22:19:12,251 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-30 22:19:12,256 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-30 22:19:12,257 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-30 22:19:12,259 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-30 22:19:12,259 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-30 22:19:12,260 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-30 22:19:12,260 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-30 22:19:12,260 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-30 22:19:12,261 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-30 22:19:12,261 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-30 22:19:12,262 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-30 22:19:12,263 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-08-30 22:19:12,295 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-30 22:19:12,295 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-30 22:19:12,296 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-30 22:19:12,297 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-30 22:19:12,297 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-30 22:19:12,298 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-30 22:19:12,298 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-30 22:19:12,298 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-30 22:19:12,298 INFO L138 SettingsManager]: * Use SBE=true [2023-08-30 22:19:12,299 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-30 22:19:12,299 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-30 22:19:12,300 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-30 22:19:12,300 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-30 22:19:12,300 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-30 22:19:12,300 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-30 22:19:12,300 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-30 22:19:12,301 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-30 22:19:12,301 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-30 22:19:12,301 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-30 22:19:12,301 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-30 22:19:12,301 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-30 22:19:12,302 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-30 22:19:12,302 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-30 22:19:12,302 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-30 22:19:12,302 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 22:19:12,302 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-30 22:19:12,303 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-30 22:19:12,303 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-30 22:19:12,303 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-30 22:19:12,303 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-30 22:19:12,303 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-30 22:19:12,304 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-30 22:19:12,304 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-30 22:19:12,304 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-30 22:19:12,304 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-30 22:19:12,304 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9f874a9872f93f025fac23ebed37f94a1f3b80bd0133ea4d7e298577c4fec427 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> DEFORE [2023-08-30 22:19:12,570 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-30 22:19:12,592 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-30 22:19:12,594 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-30 22:19:12,595 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-30 22:19:12,596 INFO L275 PluginConnector]: CDTParser initialized [2023-08-30 22:19:12,597 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread/queue_longer.i [2023-08-30 22:19:13,745 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-30 22:19:14,042 INFO L351 CDTParser]: Found 1 translation units. [2023-08-30 22:19:14,042 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/queue_longer.i [2023-08-30 22:19:14,057 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f18c1d1bf/4f864c3705b940d28abddb68659e9900/FLAGfca77de34 [2023-08-30 22:19:14,072 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f18c1d1bf/4f864c3705b940d28abddb68659e9900 [2023-08-30 22:19:14,074 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-30 22:19:14,075 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-30 22:19:14,076 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-30 22:19:14,076 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-30 22:19:14,080 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-30 22:19:14,081 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 10:19:14" (1/1) ... [2023-08-30 22:19:14,082 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d6694e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:19:14, skipping insertion in model container [2023-08-30 22:19:14,082 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 10:19:14" (1/1) ... [2023-08-30 22:19:14,088 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-30 22:19:14,116 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-30 22:19:14,502 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/queue_longer.i[43296,43309] [2023-08-30 22:19:14,511 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/queue_longer.i[43503,43516] [2023-08-30 22:19:14,518 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/queue_longer.i[43783,43796] [2023-08-30 22:19:14,523 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 22:19:14,531 INFO L203 MainTranslator]: Completed pre-run [2023-08-30 22:19:14,567 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/queue_longer.i[43296,43309] [2023-08-30 22:19:14,569 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/queue_longer.i[43503,43516] [2023-08-30 22:19:14,572 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/queue_longer.i[43783,43796] [2023-08-30 22:19:14,574 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 22:19:14,643 INFO L208 MainTranslator]: Completed translation [2023-08-30 22:19:14,643 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:19:14 WrapperNode [2023-08-30 22:19:14,643 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-30 22:19:14,644 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-30 22:19:14,644 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-30 22:19:14,644 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-30 22:19:14,648 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:19:14" (1/1) ... [2023-08-30 22:19:14,664 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:19:14" (1/1) ... [2023-08-30 22:19:14,689 INFO L138 Inliner]: procedures = 274, calls = 60, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 243 [2023-08-30 22:19:14,690 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-30 22:19:14,691 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-30 22:19:14,691 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-30 22:19:14,691 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-30 22:19:14,698 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:19:14" (1/1) ... [2023-08-30 22:19:14,701 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:19:14" (1/1) ... [2023-08-30 22:19:14,705 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:19:14" (1/1) ... [2023-08-30 22:19:14,716 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:19:14" (1/1) ... [2023-08-30 22:19:14,729 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:19:14" (1/1) ... [2023-08-30 22:19:14,733 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:19:14" (1/1) ... [2023-08-30 22:19:14,735 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:19:14" (1/1) ... [2023-08-30 22:19:14,736 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:19:14" (1/1) ... [2023-08-30 22:19:14,739 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-30 22:19:14,740 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-30 22:19:14,740 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-30 22:19:14,740 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-30 22:19:14,741 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:19:14" (1/1) ... [2023-08-30 22:19:14,761 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 22:19:14,777 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-30 22:19:14,796 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-08-30 22:19:14,805 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-08-30 22:19:14,824 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2023-08-30 22:19:14,825 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2023-08-30 22:19:14,825 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2023-08-30 22:19:14,825 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2023-08-30 22:19:14,825 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-30 22:19:14,825 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-30 22:19:14,825 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-30 22:19:14,825 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-30 22:19:14,825 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-08-30 22:19:14,825 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-30 22:19:14,825 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-30 22:19:14,825 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-30 22:19:14,825 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-30 22:19:14,826 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-08-30 22:19:14,946 INFO L236 CfgBuilder]: Building ICFG [2023-08-30 22:19:14,947 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-30 22:19:15,326 INFO L277 CfgBuilder]: Performing block encoding [2023-08-30 22:19:15,336 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-30 22:19:15,337 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-08-30 22:19:15,339 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 10:19:15 BoogieIcfgContainer [2023-08-30 22:19:15,339 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-30 22:19:15,342 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-30 22:19:15,342 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-30 22:19:15,344 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-30 22:19:15,344 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.08 10:19:14" (1/3) ... [2023-08-30 22:19:15,345 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22ac16f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 10:19:15, skipping insertion in model container [2023-08-30 22:19:15,345 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:19:14" (2/3) ... [2023-08-30 22:19:15,345 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22ac16f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 10:19:15, skipping insertion in model container [2023-08-30 22:19:15,345 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 10:19:15" (3/3) ... [2023-08-30 22:19:15,346 INFO L112 eAbstractionObserver]: Analyzing ICFG queue_longer.i [2023-08-30 22:19:15,358 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-30 22:19:15,367 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-30 22:19:15,367 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2023-08-30 22:19:15,367 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-30 22:19:15,492 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-08-30 22:19:15,498 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.IllegalArgumentException: No enum constant de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TraceAbstractionPreferenceInitializer.InsufficientError.DEFORE at java.base/java.lang.Enum.valueOf(Enum.java:240) at de.uni_freiburg.informatik.ultimate.core.preferences.RcpPreferenceProvider.getEnum(RcpPreferenceProvider.java:117) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TAPreferences.insufficientThreadErrorsVsProgramErrors(TAPreferences.java:218) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.partitionErrorLocations(TraceAbstractionStarter.java:394) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:280) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:225) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:173) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-08-30 22:19:15,509 INFO L158 Benchmark]: Toolchain (without parser) took 1433.14ms. Allocated memory was 71.3MB in the beginning and 86.0MB in the end (delta: 14.7MB). Free memory was 47.9MB in the beginning and 49.1MB in the end (delta: -1.2MB). Peak memory consumption was 25.9MB. Max. memory is 16.1GB. [2023-08-30 22:19:15,510 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 58.7MB. Free memory is still 36.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-08-30 22:19:15,511 INFO L158 Benchmark]: CACSL2BoogieTranslator took 567.00ms. Allocated memory is still 71.3MB. Free memory was 47.7MB in the beginning and 35.9MB in the end (delta: 11.8MB). Peak memory consumption was 19.5MB. Max. memory is 16.1GB. [2023-08-30 22:19:15,512 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.21ms. Allocated memory is still 71.3MB. Free memory was 35.9MB in the beginning and 32.6MB in the end (delta: 3.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-30 22:19:15,513 INFO L158 Benchmark]: Boogie Preprocessor took 48.90ms. Allocated memory is still 71.3MB. Free memory was 32.6MB in the beginning and 30.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-30 22:19:15,513 INFO L158 Benchmark]: RCFGBuilder took 598.86ms. Allocated memory is still 71.3MB. Free memory was 30.5MB in the beginning and 28.7MB in the end (delta: 1.9MB). Peak memory consumption was 6.4MB. Max. memory is 16.1GB. [2023-08-30 22:19:15,515 INFO L158 Benchmark]: TraceAbstraction took 165.65ms. Allocated memory was 71.3MB in the beginning and 86.0MB in the end (delta: 14.7MB). Free memory was 28.0MB in the beginning and 49.1MB in the end (delta: -21.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-08-30 22:19:15,522 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 58.7MB. Free memory is still 36.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 567.00ms. Allocated memory is still 71.3MB. Free memory was 47.7MB in the beginning and 35.9MB in the end (delta: 11.8MB). Peak memory consumption was 19.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 46.21ms. Allocated memory is still 71.3MB. Free memory was 35.9MB in the beginning and 32.6MB in the end (delta: 3.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 48.90ms. Allocated memory is still 71.3MB. Free memory was 32.6MB in the beginning and 30.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 598.86ms. Allocated memory is still 71.3MB. Free memory was 30.5MB in the beginning and 28.7MB in the end (delta: 1.9MB). Peak memory consumption was 6.4MB. Max. memory is 16.1GB. * TraceAbstraction took 165.65ms. Allocated memory was 71.3MB in the beginning and 86.0MB in the end (delta: 14.7MB). Free memory was 28.0MB in the beginning and 49.1MB in the end (delta: -21.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: IllegalArgumentException: No enum constant de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TraceAbstractionPreferenceInitializer.InsufficientError.DEFORE de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: IllegalArgumentException: No enum constant de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TraceAbstractionPreferenceInitializer.InsufficientError.DEFORE: java.base/java.lang.Enum.valueOf(Enum.java:240) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-08-30 22:19:15,540 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../../../trunk/examples/svcomp/pthread/queue_longer.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 9f874a9872f93f025fac23ebed37f94a1f3b80bd0133ea4d7e298577c4fec427 --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations DEFORE --- Real Ultimate output --- This is Ultimate 0.2.3-?-b8dbc81 [2023-08-30 22:19:17,378 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-30 22:19:17,380 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-30 22:19:17,403 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-30 22:19:17,403 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-30 22:19:17,404 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-30 22:19:17,406 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-30 22:19:17,407 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-30 22:19:17,408 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-30 22:19:17,409 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-30 22:19:17,410 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-30 22:19:17,411 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-30 22:19:17,411 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-30 22:19:17,412 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-30 22:19:17,413 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-30 22:19:17,414 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-30 22:19:17,415 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-30 22:19:17,416 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-30 22:19:17,417 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-30 22:19:17,418 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-30 22:19:17,420 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-30 22:19:17,421 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-30 22:19:17,423 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-30 22:19:17,425 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-30 22:19:17,432 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-30 22:19:17,434 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-30 22:19:17,435 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-30 22:19:17,436 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-30 22:19:17,436 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-30 22:19:17,437 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-30 22:19:17,438 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-30 22:19:17,439 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-30 22:19:17,442 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-30 22:19:17,443 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-30 22:19:17,444 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-30 22:19:17,446 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-30 22:19:17,447 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-30 22:19:17,447 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-30 22:19:17,448 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-30 22:19:17,449 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-30 22:19:17,450 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-30 22:19:17,451 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-08-30 22:19:17,479 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-30 22:19:17,479 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-30 22:19:17,480 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-30 22:19:17,480 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-30 22:19:17,481 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-30 22:19:17,481 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-30 22:19:17,482 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-30 22:19:17,482 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-30 22:19:17,483 INFO L138 SettingsManager]: * Use SBE=true [2023-08-30 22:19:17,483 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-30 22:19:17,484 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-30 22:19:17,484 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-30 22:19:17,484 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-30 22:19:17,484 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-30 22:19:17,485 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-30 22:19:17,485 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-30 22:19:17,485 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-08-30 22:19:17,485 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2023-08-30 22:19:17,486 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-08-30 22:19:17,486 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-30 22:19:17,486 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-30 22:19:17,486 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-30 22:19:17,486 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-30 22:19:17,487 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-30 22:19:17,487 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-30 22:19:17,487 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-30 22:19:17,487 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 22:19:17,488 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-30 22:19:17,488 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-30 22:19:17,488 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-30 22:19:17,488 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2023-08-30 22:19:17,488 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-08-30 22:19:17,489 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-30 22:19:17,489 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-30 22:19:17,489 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-30 22:19:17,489 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-30 22:19:17,490 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2023-08-30 22:19:17,490 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-30 22:19:17,490 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9f874a9872f93f025fac23ebed37f94a1f3b80bd0133ea4d7e298577c4fec427 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> DEFORE [2023-08-30 22:19:17,779 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-30 22:19:17,801 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-30 22:19:17,803 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-30 22:19:17,804 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-30 22:19:17,805 INFO L275 PluginConnector]: CDTParser initialized [2023-08-30 22:19:17,806 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread/queue_longer.i [2023-08-30 22:19:18,917 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-30 22:19:19,244 INFO L351 CDTParser]: Found 1 translation units. [2023-08-30 22:19:19,244 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/queue_longer.i [2023-08-30 22:19:19,256 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/feea26f5c/2918b84d588641fead4d6b626dd6ecdc/FLAG67ef3a3e5 [2023-08-30 22:19:19,272 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/feea26f5c/2918b84d588641fead4d6b626dd6ecdc [2023-08-30 22:19:19,274 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-30 22:19:19,276 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-30 22:19:19,277 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-30 22:19:19,277 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-30 22:19:19,280 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-30 22:19:19,281 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 10:19:19" (1/1) ... [2023-08-30 22:19:19,284 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72fa694b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:19:19, skipping insertion in model container [2023-08-30 22:19:19,284 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 10:19:19" (1/1) ... [2023-08-30 22:19:19,291 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-30 22:19:19,350 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-30 22:19:19,802 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/queue_longer.i[43296,43309] [2023-08-30 22:19:19,810 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/queue_longer.i[43503,43516] [2023-08-30 22:19:19,815 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/queue_longer.i[43783,43796] [2023-08-30 22:19:19,819 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 22:19:19,837 INFO L203 MainTranslator]: Completed pre-run [2023-08-30 22:19:19,888 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/queue_longer.i[43296,43309] [2023-08-30 22:19:19,890 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/queue_longer.i[43503,43516] [2023-08-30 22:19:19,893 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/queue_longer.i[43783,43796] [2023-08-30 22:19:19,898 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 22:19:19,961 INFO L208 MainTranslator]: Completed translation [2023-08-30 22:19:19,962 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:19:19 WrapperNode [2023-08-30 22:19:19,962 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-30 22:19:19,963 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-30 22:19:19,963 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-30 22:19:19,963 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-30 22:19:19,969 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:19:19" (1/1) ... [2023-08-30 22:19:19,998 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:19:19" (1/1) ... [2023-08-30 22:19:20,022 INFO L138 Inliner]: procedures = 278, calls = 60, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 237 [2023-08-30 22:19:20,023 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-30 22:19:20,024 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-30 22:19:20,024 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-30 22:19:20,024 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-30 22:19:20,032 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:19:19" (1/1) ... [2023-08-30 22:19:20,033 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:19:19" (1/1) ... [2023-08-30 22:19:20,037 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:19:19" (1/1) ... [2023-08-30 22:19:20,040 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:19:19" (1/1) ... [2023-08-30 22:19:20,053 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:19:19" (1/1) ... [2023-08-30 22:19:20,068 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:19:19" (1/1) ... [2023-08-30 22:19:20,072 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:19:19" (1/1) ... [2023-08-30 22:19:20,080 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:19:19" (1/1) ... [2023-08-30 22:19:20,086 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-30 22:19:20,087 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-30 22:19:20,087 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-30 22:19:20,087 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-30 22:19:20,088 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:19:19" (1/1) ... [2023-08-30 22:19:20,097 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 22:19:20,107 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-30 22:19:20,118 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-08-30 22:19:20,138 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-08-30 22:19:20,155 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-08-30 22:19:20,155 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2023-08-30 22:19:20,155 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2023-08-30 22:19:20,155 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2023-08-30 22:19:20,156 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2023-08-30 22:19:20,156 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-30 22:19:20,156 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-30 22:19:20,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-08-30 22:19:20,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-08-30 22:19:20,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-08-30 22:19:20,157 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-08-30 22:19:20,157 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-30 22:19:20,157 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-30 22:19:20,157 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-30 22:19:20,158 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-08-30 22:19:20,340 INFO L236 CfgBuilder]: Building ICFG [2023-08-30 22:19:20,353 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-30 22:19:20,724 INFO L277 CfgBuilder]: Performing block encoding [2023-08-30 22:19:20,733 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-30 22:19:20,739 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-08-30 22:19:20,742 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 10:19:20 BoogieIcfgContainer [2023-08-30 22:19:20,742 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-30 22:19:20,744 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-30 22:19:20,744 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-30 22:19:20,747 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-30 22:19:20,759 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.08 10:19:19" (1/3) ... [2023-08-30 22:19:20,760 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b467841 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 10:19:20, skipping insertion in model container [2023-08-30 22:19:20,760 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:19:19" (2/3) ... [2023-08-30 22:19:20,760 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b467841 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 10:19:20, skipping insertion in model container [2023-08-30 22:19:20,760 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 10:19:20" (3/3) ... [2023-08-30 22:19:20,761 INFO L112 eAbstractionObserver]: Analyzing ICFG queue_longer.i [2023-08-30 22:19:20,768 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-30 22:19:20,779 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-30 22:19:20,779 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2023-08-30 22:19:20,779 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-30 22:19:20,929 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-08-30 22:19:20,935 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.IllegalArgumentException: No enum constant de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TraceAbstractionPreferenceInitializer.InsufficientError.DEFORE at java.base/java.lang.Enum.valueOf(Enum.java:240) at de.uni_freiburg.informatik.ultimate.core.preferences.RcpPreferenceProvider.getEnum(RcpPreferenceProvider.java:117) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TAPreferences.insufficientThreadErrorsVsProgramErrors(TAPreferences.java:218) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.partitionErrorLocations(TraceAbstractionStarter.java:394) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:280) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:225) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:173) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-08-30 22:19:20,940 INFO L158 Benchmark]: Toolchain (without parser) took 1663.18ms. Allocated memory is still 96.5MB. Free memory was 72.0MB in the beginning and 48.2MB in the end (delta: 23.8MB). Peak memory consumption was 24.5MB. Max. memory is 16.1GB. [2023-08-30 22:19:20,940 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 60.8MB. Free memory was 38.4MB in the beginning and 38.4MB in the end (delta: 51.4kB). There was no memory consumed. Max. memory is 16.1GB. [2023-08-30 22:19:20,941 INFO L158 Benchmark]: CACSL2BoogieTranslator took 685.54ms. Allocated memory is still 96.5MB. Free memory was 71.7MB in the beginning and 66.6MB in the end (delta: 5.2MB). Peak memory consumption was 32.1MB. Max. memory is 16.1GB. [2023-08-30 22:19:20,941 INFO L158 Benchmark]: Boogie Procedure Inliner took 60.04ms. Allocated memory is still 96.5MB. Free memory was 66.6MB in the beginning and 63.6MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-30 22:19:20,942 INFO L158 Benchmark]: Boogie Preprocessor took 62.54ms. Allocated memory is still 96.5MB. Free memory was 63.6MB in the beginning and 60.7MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-08-30 22:19:20,942 INFO L158 Benchmark]: RCFGBuilder took 655.75ms. Allocated memory is still 96.5MB. Free memory was 60.7MB in the beginning and 68.2MB in the end (delta: -7.5MB). Peak memory consumption was 26.0MB. Max. memory is 16.1GB. [2023-08-30 22:19:20,943 INFO L158 Benchmark]: TraceAbstraction took 194.08ms. Allocated memory is still 96.5MB. Free memory was 67.7MB in the beginning and 48.2MB in the end (delta: 19.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-08-30 22:19:20,945 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 60.8MB. Free memory was 38.4MB in the beginning and 38.4MB in the end (delta: 51.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 685.54ms. Allocated memory is still 96.5MB. Free memory was 71.7MB in the beginning and 66.6MB in the end (delta: 5.2MB). Peak memory consumption was 32.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 60.04ms. Allocated memory is still 96.5MB. Free memory was 66.6MB in the beginning and 63.6MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 62.54ms. Allocated memory is still 96.5MB. Free memory was 63.6MB in the beginning and 60.7MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 655.75ms. Allocated memory is still 96.5MB. Free memory was 60.7MB in the beginning and 68.2MB in the end (delta: -7.5MB). Peak memory consumption was 26.0MB. Max. memory is 16.1GB. * TraceAbstraction took 194.08ms. Allocated memory is still 96.5MB. Free memory was 67.7MB in the beginning and 48.2MB in the end (delta: 19.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: IllegalArgumentException: No enum constant de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TraceAbstractionPreferenceInitializer.InsufficientError.DEFORE de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: IllegalArgumentException: No enum constant de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TraceAbstractionPreferenceInitializer.InsufficientError.DEFORE: java.base/java.lang.Enum.valueOf(Enum.java:240) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-08-30 22:19:20,971 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