./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/pthread-wmm/mix042.opt.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-wmm/mix042.opt.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 94656be5559ee6994f8d95e82c06571dfbe5b53833c4e842ade3fa022ec89a57 --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 22:23:06,450 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-30 22:23:06,452 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-30 22:23:06,487 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-30 22:23:06,489 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-30 22:23:06,491 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-30 22:23:06,493 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-30 22:23:06,495 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-30 22:23:06,497 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-30 22:23:06,501 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-30 22:23:06,502 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-30 22:23:06,504 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-30 22:23:06,504 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-30 22:23:06,505 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-30 22:23:06,506 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-30 22:23:06,509 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-30 22:23:06,512 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-30 22:23:06,512 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-30 22:23:06,514 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-30 22:23:06,515 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-30 22:23:06,527 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-30 22:23:06,528 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-30 22:23:06,529 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-30 22:23:06,529 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-30 22:23:06,531 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-30 22:23:06,533 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-30 22:23:06,533 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-30 22:23:06,534 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-30 22:23:06,535 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-30 22:23:06,535 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-30 22:23:06,536 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-30 22:23:06,538 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-30 22:23:06,539 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-30 22:23:06,540 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-30 22:23:06,541 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-30 22:23:06,542 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-30 22:23:06,542 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-30 22:23:06,543 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-30 22:23:06,543 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-30 22:23:06,543 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-30 22:23:06,544 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-30 22:23:06,545 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-08-30 22:23:06,569 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-30 22:23:06,569 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-30 22:23:06,570 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-30 22:23:06,570 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-30 22:23:06,571 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-30 22:23:06,571 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-30 22:23:06,571 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-30 22:23:06,571 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-30 22:23:06,571 INFO L138 SettingsManager]: * Use SBE=true [2023-08-30 22:23:06,572 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-30 22:23:06,572 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-30 22:23:06,573 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-30 22:23:06,573 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-30 22:23:06,573 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-30 22:23:06,573 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-30 22:23:06,573 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-30 22:23:06,573 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-30 22:23:06,574 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-30 22:23:06,574 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-30 22:23:06,574 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-30 22:23:06,574 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-30 22:23:06,574 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-30 22:23:06,574 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-30 22:23:06,574 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-30 22:23:06,575 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 22:23:06,575 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-30 22:23:06,575 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-30 22:23:06,575 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-30 22:23:06,575 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-30 22:23:06,575 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-30 22:23:06,576 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-30 22:23:06,576 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-30 22:23:06,576 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-30 22:23:06,576 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-30 22:23:06,576 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-30 22:23:06,576 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 94656be5559ee6994f8d95e82c06571dfbe5b53833c4e842ade3fa022ec89a57 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> DEFORE [2023-08-30 22:23:06,825 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-30 22:23:06,839 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-30 22:23:06,841 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-30 22:23:06,841 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-30 22:23:06,842 INFO L275 PluginConnector]: CDTParser initialized [2023-08-30 22:23:06,843 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix042.opt.i [2023-08-30 22:23:07,891 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-30 22:23:08,149 INFO L351 CDTParser]: Found 1 translation units. [2023-08-30 22:23:08,149 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix042.opt.i [2023-08-30 22:23:08,160 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5b89ad1ed/6de6e52f9b3840a7aba0ea7c054f1c89/FLAGdd20c0594 [2023-08-30 22:23:08,169 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5b89ad1ed/6de6e52f9b3840a7aba0ea7c054f1c89 [2023-08-30 22:23:08,170 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-30 22:23:08,171 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-30 22:23:08,172 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-30 22:23:08,172 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-30 22:23:08,174 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-30 22:23:08,175 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 10:23:08" (1/1) ... [2023-08-30 22:23:08,175 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73fe1894 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:23:08, skipping insertion in model container [2023-08-30 22:23:08,175 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 10:23:08" (1/1) ... [2023-08-30 22:23:08,179 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-30 22:23:08,202 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-30 22:23:08,290 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix042.opt.i[944,957] [2023-08-30 22:23:08,404 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 22:23:08,413 INFO L203 MainTranslator]: Completed pre-run [2023-08-30 22:23:08,422 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix042.opt.i[944,957] [2023-08-30 22:23:08,480 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 22:23:08,511 WARN L667 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 22:23:08,511 WARN L667 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 22:23:08,516 INFO L208 MainTranslator]: Completed translation [2023-08-30 22:23:08,516 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:23:08 WrapperNode [2023-08-30 22:23:08,516 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-30 22:23:08,517 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-30 22:23:08,517 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-30 22:23:08,517 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-30 22:23:08,522 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:23:08" (1/1) ... [2023-08-30 22:23:08,536 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:23:08" (1/1) ... [2023-08-30 22:23:08,560 INFO L138 Inliner]: procedures = 176, calls = 58, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 153 [2023-08-30 22:23:08,560 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-30 22:23:08,560 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-30 22:23:08,561 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-30 22:23:08,561 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-30 22:23:08,566 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:23:08" (1/1) ... [2023-08-30 22:23:08,566 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:23:08" (1/1) ... [2023-08-30 22:23:08,568 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:23:08" (1/1) ... [2023-08-30 22:23:08,568 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:23:08" (1/1) ... [2023-08-30 22:23:08,573 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:23:08" (1/1) ... [2023-08-30 22:23:08,574 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:23:08" (1/1) ... [2023-08-30 22:23:08,575 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:23:08" (1/1) ... [2023-08-30 22:23:08,576 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:23:08" (1/1) ... [2023-08-30 22:23:08,578 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-30 22:23:08,579 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-30 22:23:08,579 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-30 22:23:08,579 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-30 22:23:08,579 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:23:08" (1/1) ... [2023-08-30 22:23:08,583 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 22:23:08,591 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-30 22:23:08,599 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 22:23:08,618 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 22:23:08,634 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-30 22:23:08,634 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-08-30 22:23:08,635 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-30 22:23:08,635 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-30 22:23:08,635 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-30 22:23:08,635 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2023-08-30 22:23:08,635 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2023-08-30 22:23:08,635 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2023-08-30 22:23:08,635 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2023-08-30 22:23:08,636 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2023-08-30 22:23:08,636 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2023-08-30 22:23:08,636 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-30 22:23:08,636 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-08-30 22:23:08,636 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-30 22:23:08,636 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-30 22:23:08,637 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 22:23:08,737 INFO L236 CfgBuilder]: Building ICFG [2023-08-30 22:23:08,739 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-30 22:23:09,056 INFO L277 CfgBuilder]: Performing block encoding [2023-08-30 22:23:09,163 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-30 22:23:09,163 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-08-30 22:23:09,165 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 10:23:09 BoogieIcfgContainer [2023-08-30 22:23:09,165 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-30 22:23:09,166 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-30 22:23:09,167 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-30 22:23:09,169 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-30 22:23:09,169 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.08 10:23:08" (1/3) ... [2023-08-30 22:23:09,169 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b33885c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 10:23:09, skipping insertion in model container [2023-08-30 22:23:09,169 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:23:08" (2/3) ... [2023-08-30 22:23:09,170 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b33885c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 10:23:09, skipping insertion in model container [2023-08-30 22:23:09,170 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 10:23:09" (3/3) ... [2023-08-30 22:23:09,171 INFO L112 eAbstractionObserver]: Analyzing ICFG mix042.opt.i [2023-08-30 22:23:09,176 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-30 22:23:09,184 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-30 22:23:09,184 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2023-08-30 22:23:09,184 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-30 22:23:09,237 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-08-30 22:23:09,242 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 22:23:09,246 INFO L158 Benchmark]: Toolchain (without parser) took 1074.67ms. Allocated memory is still 119.5MB. Free memory was 95.7MB in the beginning and 61.3MB in the end (delta: 34.3MB). Peak memory consumption was 35.1MB. Max. memory is 16.1GB. [2023-08-30 22:23:09,247 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 69.2MB. Free memory was 47.8MB in the beginning and 47.7MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. [2023-08-30 22:23:09,247 INFO L158 Benchmark]: CACSL2BoogieTranslator took 344.55ms. Allocated memory is still 119.5MB. Free memory was 95.1MB in the beginning and 72.6MB in the end (delta: 22.5MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2023-08-30 22:23:09,248 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.87ms. Allocated memory is still 119.5MB. Free memory was 72.2MB in the beginning and 69.8MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-30 22:23:09,249 INFO L158 Benchmark]: Boogie Preprocessor took 17.71ms. Allocated memory is still 119.5MB. Free memory was 69.8MB in the beginning and 68.1MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-30 22:23:09,249 INFO L158 Benchmark]: RCFGBuilder took 586.79ms. Allocated memory is still 119.5MB. Free memory was 67.7MB in the beginning and 70.9MB in the end (delta: -3.2MB). Peak memory consumption was 14.1MB. Max. memory is 16.1GB. [2023-08-30 22:23:09,250 INFO L158 Benchmark]: TraceAbstraction took 78.74ms. Allocated memory is still 119.5MB. Free memory was 70.3MB in the beginning and 61.3MB in the end (delta: 9.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-08-30 22:23:09,255 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 69.2MB. Free memory was 47.8MB in the beginning and 47.7MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 344.55ms. Allocated memory is still 119.5MB. Free memory was 95.1MB in the beginning and 72.6MB in the end (delta: 22.5MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.87ms. Allocated memory is still 119.5MB. Free memory was 72.2MB in the beginning and 69.8MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 17.71ms. Allocated memory is still 119.5MB. Free memory was 69.8MB in the beginning and 68.1MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 586.79ms. Allocated memory is still 119.5MB. Free memory was 67.7MB in the beginning and 70.9MB in the end (delta: -3.2MB). Peak memory consumption was 14.1MB. Max. memory is 16.1GB. * TraceAbstraction took 78.74ms. Allocated memory is still 119.5MB. Free memory was 70.3MB in the beginning and 61.3MB in the end (delta: 9.0MB). 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 22:23:09,275 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-wmm/mix042.opt.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 94656be5559ee6994f8d95e82c06571dfbe5b53833c4e842ade3fa022ec89a57 --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 22:23:10,986 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-30 22:23:10,997 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-30 22:23:11,022 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-30 22:23:11,023 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-30 22:23:11,025 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-30 22:23:11,028 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-30 22:23:11,031 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-30 22:23:11,032 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-30 22:23:11,037 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-30 22:23:11,037 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-30 22:23:11,039 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-30 22:23:11,040 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-30 22:23:11,042 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-30 22:23:11,044 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-30 22:23:11,047 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-30 22:23:11,048 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-30 22:23:11,049 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-30 22:23:11,051 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-30 22:23:11,053 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-30 22:23:11,055 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-30 22:23:11,056 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-30 22:23:11,056 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-30 22:23:11,057 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-30 22:23:11,063 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-30 22:23:11,064 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-30 22:23:11,064 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-30 22:23:11,066 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-30 22:23:11,066 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-30 22:23:11,067 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-30 22:23:11,067 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-30 22:23:11,069 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-30 22:23:11,070 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-30 22:23:11,071 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-30 22:23:11,071 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-30 22:23:11,072 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-30 22:23:11,072 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-30 22:23:11,072 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-30 22:23:11,072 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-30 22:23:11,073 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-30 22:23:11,073 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-30 22:23:11,075 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-08-30 22:23:11,107 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-30 22:23:11,107 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-30 22:23:11,108 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-30 22:23:11,108 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-30 22:23:11,109 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-30 22:23:11,109 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-30 22:23:11,110 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-30 22:23:11,110 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-30 22:23:11,110 INFO L138 SettingsManager]: * Use SBE=true [2023-08-30 22:23:11,110 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-30 22:23:11,111 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-30 22:23:11,111 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-30 22:23:11,111 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-30 22:23:11,111 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-30 22:23:11,111 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-30 22:23:11,111 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-30 22:23:11,112 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-08-30 22:23:11,112 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2023-08-30 22:23:11,112 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-08-30 22:23:11,112 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-30 22:23:11,112 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-30 22:23:11,112 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-30 22:23:11,112 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-30 22:23:11,113 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-30 22:23:11,113 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-30 22:23:11,113 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-30 22:23:11,113 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 22:23:11,113 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-30 22:23:11,113 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-30 22:23:11,114 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-30 22:23:11,114 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2023-08-30 22:23:11,114 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-08-30 22:23:11,114 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-30 22:23:11,114 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-30 22:23:11,114 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-30 22:23:11,115 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-30 22:23:11,115 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2023-08-30 22:23:11,115 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-30 22:23:11,115 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 94656be5559ee6994f8d95e82c06571dfbe5b53833c4e842ade3fa022ec89a57 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> DEFORE [2023-08-30 22:23:11,372 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-30 22:23:11,398 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-30 22:23:11,400 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-30 22:23:11,400 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-30 22:23:11,401 INFO L275 PluginConnector]: CDTParser initialized [2023-08-30 22:23:11,402 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix042.opt.i [2023-08-30 22:23:12,684 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-30 22:23:12,932 INFO L351 CDTParser]: Found 1 translation units. [2023-08-30 22:23:12,933 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix042.opt.i [2023-08-30 22:23:12,942 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e90104bfc/c46f71dd6cdc495ba5651634af590352/FLAGa164a14ff [2023-08-30 22:23:12,956 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e90104bfc/c46f71dd6cdc495ba5651634af590352 [2023-08-30 22:23:12,958 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-30 22:23:12,959 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-30 22:23:12,959 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-30 22:23:12,960 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-30 22:23:12,964 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-30 22:23:12,964 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 10:23:12" (1/1) ... [2023-08-30 22:23:12,965 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@116b72a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:23:12, skipping insertion in model container [2023-08-30 22:23:12,965 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 10:23:12" (1/1) ... [2023-08-30 22:23:12,969 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-30 22:23:13,005 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-30 22:23:13,099 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix042.opt.i[944,957] [2023-08-30 22:23:13,244 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 22:23:13,260 INFO L203 MainTranslator]: Completed pre-run [2023-08-30 22:23:13,269 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix042.opt.i[944,957] [2023-08-30 22:23:13,306 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 22:23:13,337 WARN L667 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 22:23:13,337 WARN L667 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 22:23:13,341 INFO L208 MainTranslator]: Completed translation [2023-08-30 22:23:13,342 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:23:13 WrapperNode [2023-08-30 22:23:13,342 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-30 22:23:13,384 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-30 22:23:13,384 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-30 22:23:13,384 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-30 22:23:13,389 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:23:13" (1/1) ... [2023-08-30 22:23:13,400 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:23:13" (1/1) ... [2023-08-30 22:23:13,415 INFO L138 Inliner]: procedures = 179, calls = 58, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 154 [2023-08-30 22:23:13,415 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-30 22:23:13,416 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-30 22:23:13,416 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-30 22:23:13,416 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-30 22:23:13,421 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:23:13" (1/1) ... [2023-08-30 22:23:13,421 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:23:13" (1/1) ... [2023-08-30 22:23:13,424 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:23:13" (1/1) ... [2023-08-30 22:23:13,424 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:23:13" (1/1) ... [2023-08-30 22:23:13,431 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:23:13" (1/1) ... [2023-08-30 22:23:13,432 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:23:13" (1/1) ... [2023-08-30 22:23:13,434 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:23:13" (1/1) ... [2023-08-30 22:23:13,435 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:23:13" (1/1) ... [2023-08-30 22:23:13,438 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-30 22:23:13,438 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-30 22:23:13,439 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-30 22:23:13,439 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-30 22:23:13,439 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:23:13" (1/1) ... [2023-08-30 22:23:13,443 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 22:23:13,451 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-30 22:23:13,460 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 22:23:13,470 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 22:23:13,482 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-08-30 22:23:13,482 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-30 22:23:13,482 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-30 22:23:13,483 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-30 22:23:13,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-08-30 22:23:13,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-08-30 22:23:13,483 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2023-08-30 22:23:13,483 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2023-08-30 22:23:13,483 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2023-08-30 22:23:13,483 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2023-08-30 22:23:13,495 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2023-08-30 22:23:13,495 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2023-08-30 22:23:13,495 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-08-30 22:23:13,495 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-30 22:23:13,495 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-30 22:23:13,496 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 22:23:13,586 INFO L236 CfgBuilder]: Building ICFG [2023-08-30 22:23:13,587 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-30 22:23:13,867 INFO L277 CfgBuilder]: Performing block encoding [2023-08-30 22:23:13,983 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-30 22:23:13,984 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-08-30 22:23:13,985 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 10:23:13 BoogieIcfgContainer [2023-08-30 22:23:13,985 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-30 22:23:13,987 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-30 22:23:13,987 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-30 22:23:13,988 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-30 22:23:13,989 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.08 10:23:12" (1/3) ... [2023-08-30 22:23:13,989 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68f8f68d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 10:23:13, skipping insertion in model container [2023-08-30 22:23:13,989 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:23:13" (2/3) ... [2023-08-30 22:23:13,989 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68f8f68d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 10:23:13, skipping insertion in model container [2023-08-30 22:23:13,990 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 10:23:13" (3/3) ... [2023-08-30 22:23:13,990 INFO L112 eAbstractionObserver]: Analyzing ICFG mix042.opt.i [2023-08-30 22:23:13,995 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-30 22:23:14,001 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-30 22:23:14,001 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2023-08-30 22:23:14,001 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-30 22:23:14,050 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-08-30 22:23:14,054 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 22:23:14,058 INFO L158 Benchmark]: Toolchain (without parser) took 1098.42ms. Allocated memory is still 90.2MB. Free memory was 66.1MB in the beginning and 42.2MB in the end (delta: 23.9MB). Peak memory consumption was 25.3MB. Max. memory is 16.1GB. [2023-08-30 22:23:14,058 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 60.8MB. Free memory is still 38.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-08-30 22:23:14,058 INFO L158 Benchmark]: CACSL2BoogieTranslator took 382.45ms. Allocated memory is still 90.2MB. Free memory was 66.1MB in the beginning and 42.4MB in the end (delta: 23.7MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2023-08-30 22:23:14,059 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.66ms. Allocated memory is still 90.2MB. Free memory was 69.8MB in the beginning and 66.9MB in the end (delta: 2.9MB). There was no memory consumed. Max. memory is 16.1GB. [2023-08-30 22:23:14,060 INFO L158 Benchmark]: Boogie Preprocessor took 22.03ms. Allocated memory is still 90.2MB. Free memory was 66.9MB in the beginning and 64.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-30 22:23:14,060 INFO L158 Benchmark]: RCFGBuilder took 547.47ms. Allocated memory is still 90.2MB. Free memory was 64.8MB in the beginning and 54.3MB in the end (delta: 10.5MB). Peak memory consumption was 33.9MB. Max. memory is 16.1GB. [2023-08-30 22:23:14,061 INFO L158 Benchmark]: TraceAbstraction took 70.04ms. Allocated memory is still 90.2MB. Free memory was 53.2MB in the beginning and 42.2MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-08-30 22:23:14,066 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 60.8MB. Free memory is still 38.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 382.45ms. Allocated memory is still 90.2MB. Free memory was 66.1MB in the beginning and 42.4MB in the end (delta: 23.7MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 31.66ms. Allocated memory is still 90.2MB. Free memory was 69.8MB in the beginning and 66.9MB in the end (delta: 2.9MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 22.03ms. Allocated memory is still 90.2MB. Free memory was 66.9MB in the beginning and 64.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 547.47ms. Allocated memory is still 90.2MB. Free memory was 64.8MB in the beginning and 54.3MB in the end (delta: 10.5MB). Peak memory consumption was 33.9MB. Max. memory is 16.1GB. * TraceAbstraction took 70.04ms. Allocated memory is still 90.2MB. Free memory was 53.2MB in the beginning and 42.2MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: IllegalArgumentException: No enum constant de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TraceAbstractionPreferenceInitializer.InsufficientError.DEFORE de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: IllegalArgumentException: No enum constant de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TraceAbstractionPreferenceInitializer.InsufficientError.DEFORE: java.base/java.lang.Enum.valueOf(Enum.java:240) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-08-30 22:23:14,087 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: IllegalArgumentException: No enum constant de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TraceAbstractionPreferenceInitializer.InsufficientError.DEFORE