./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/pthread-wmm/mix034_pso.opt_tso.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/mix034_pso.opt_tso.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 0d984378a3d93078f60e6a73f83b588890817628b7e21c558fe1824f195f48ce --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 22:22:37,825 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-30 22:22:37,827 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-30 22:22:37,868 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-30 22:22:37,870 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-30 22:22:37,873 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-30 22:22:37,875 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-30 22:22:37,877 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-30 22:22:37,879 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-30 22:22:37,884 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-30 22:22:37,885 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-30 22:22:37,887 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-30 22:22:37,887 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-30 22:22:37,889 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-30 22:22:37,890 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-30 22:22:37,895 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-30 22:22:37,896 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-30 22:22:37,897 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-30 22:22:37,898 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-30 22:22:37,903 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-30 22:22:37,911 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-30 22:22:37,913 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-30 22:22:37,914 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-30 22:22:37,914 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-30 22:22:37,921 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-30 22:22:37,921 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-30 22:22:37,922 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-30 22:22:37,923 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-30 22:22:37,924 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-30 22:22:37,925 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-30 22:22:37,925 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-30 22:22:37,931 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-30 22:22:37,933 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-30 22:22:37,933 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-30 22:22:37,934 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-30 22:22:37,934 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-30 22:22:37,935 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-30 22:22:37,935 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-30 22:22:37,935 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-30 22:22:37,936 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-30 22:22:37,937 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-30 22:22:37,938 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-08-30 22:22:37,971 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-30 22:22:37,971 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-30 22:22:37,972 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-30 22:22:37,973 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-30 22:22:37,974 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-30 22:22:37,974 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-30 22:22:37,974 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-30 22:22:37,974 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-30 22:22:37,975 INFO L138 SettingsManager]: * Use SBE=true [2023-08-30 22:22:37,975 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-30 22:22:37,976 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-30 22:22:37,976 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-30 22:22:37,976 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-30 22:22:37,976 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-30 22:22:37,976 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-30 22:22:37,977 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-30 22:22:37,977 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-30 22:22:37,977 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-30 22:22:37,977 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-30 22:22:37,977 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-30 22:22:37,978 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-30 22:22:37,978 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-30 22:22:37,978 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-30 22:22:37,978 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-30 22:22:37,978 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 22:22:37,979 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-30 22:22:37,979 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-30 22:22:37,979 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-30 22:22:37,979 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-30 22:22:37,979 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-30 22:22:37,979 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-30 22:22:37,980 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-30 22:22:37,980 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-30 22:22:37,980 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-30 22:22:37,980 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-30 22:22:37,981 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0d984378a3d93078f60e6a73f83b588890817628b7e21c558fe1824f195f48ce Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> DEFORE [2023-08-30 22:22:38,249 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-30 22:22:38,266 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-30 22:22:38,268 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-30 22:22:38,269 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-30 22:22:38,272 INFO L275 PluginConnector]: CDTParser initialized [2023-08-30 22:22:38,273 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix034_pso.opt_tso.opt.i [2023-08-30 22:22:39,470 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-30 22:22:39,756 INFO L351 CDTParser]: Found 1 translation units. [2023-08-30 22:22:39,765 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix034_pso.opt_tso.opt.i [2023-08-30 22:22:39,785 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d7fe166d1/f87afd58ff014674ac180cab0c74dea7/FLAG80709717c [2023-08-30 22:22:39,805 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d7fe166d1/f87afd58ff014674ac180cab0c74dea7 [2023-08-30 22:22:39,808 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-30 22:22:39,809 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-30 22:22:39,811 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-30 22:22:39,811 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-30 22:22:39,814 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-30 22:22:39,815 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 10:22:39" (1/1) ... [2023-08-30 22:22:39,816 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f745ebb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:22:39, skipping insertion in model container [2023-08-30 22:22:39,816 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 10:22:39" (1/1) ... [2023-08-30 22:22:39,822 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-30 22:22:39,873 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-30 22:22:40,044 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/mix034_pso.opt_tso.opt.i[999,1012] [2023-08-30 22:22:40,248 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 22:22:40,259 INFO L203 MainTranslator]: Completed pre-run [2023-08-30 22:22:40,268 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/mix034_pso.opt_tso.opt.i[999,1012] [2023-08-30 22:22:40,300 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 22:22:40,327 WARN L667 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 22:22:40,327 WARN L667 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 22:22:40,333 INFO L208 MainTranslator]: Completed translation [2023-08-30 22:22:40,333 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:22:40 WrapperNode [2023-08-30 22:22:40,334 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-30 22:22:40,335 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-30 22:22:40,335 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-30 22:22:40,335 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-30 22:22:40,340 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:22:40" (1/1) ... [2023-08-30 22:22:40,360 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:22:40" (1/1) ... [2023-08-30 22:22:40,389 INFO L138 Inliner]: procedures = 175, calls = 45, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 121 [2023-08-30 22:22:40,389 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-30 22:22:40,390 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-30 22:22:40,390 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-30 22:22:40,390 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-30 22:22:40,397 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:22:40" (1/1) ... [2023-08-30 22:22:40,397 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:22:40" (1/1) ... [2023-08-30 22:22:40,400 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:22:40" (1/1) ... [2023-08-30 22:22:40,400 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:22:40" (1/1) ... [2023-08-30 22:22:40,406 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:22:40" (1/1) ... [2023-08-30 22:22:40,407 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:22:40" (1/1) ... [2023-08-30 22:22:40,409 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:22:40" (1/1) ... [2023-08-30 22:22:40,410 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:22:40" (1/1) ... [2023-08-30 22:22:40,413 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-30 22:22:40,414 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-30 22:22:40,414 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-30 22:22:40,414 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-30 22:22:40,415 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:22:40" (1/1) ... [2023-08-30 22:22:40,421 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 22:22:40,447 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-30 22:22:40,471 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 22:22:40,473 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 22:22:40,499 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-30 22:22:40,500 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-08-30 22:22:40,500 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-30 22:22:40,500 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-30 22:22:40,500 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-30 22:22:40,500 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2023-08-30 22:22:40,500 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2023-08-30 22:22:40,501 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2023-08-30 22:22:40,501 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2023-08-30 22:22:40,501 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-30 22:22:40,501 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-08-30 22:22:40,501 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-30 22:22:40,501 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-30 22:22:40,502 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 22:22:40,607 INFO L236 CfgBuilder]: Building ICFG [2023-08-30 22:22:40,609 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-30 22:22:40,965 INFO L277 CfgBuilder]: Performing block encoding [2023-08-30 22:22:41,161 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-30 22:22:41,161 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-08-30 22:22:41,163 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 10:22:41 BoogieIcfgContainer [2023-08-30 22:22:41,163 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-30 22:22:41,166 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-30 22:22:41,166 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-30 22:22:41,168 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-30 22:22:41,169 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.08 10:22:39" (1/3) ... [2023-08-30 22:22:41,169 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2233190d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 10:22:41, skipping insertion in model container [2023-08-30 22:22:41,169 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:22:40" (2/3) ... [2023-08-30 22:22:41,170 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2233190d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 10:22:41, skipping insertion in model container [2023-08-30 22:22:41,170 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 10:22:41" (3/3) ... [2023-08-30 22:22:41,171 INFO L112 eAbstractionObserver]: Analyzing ICFG mix034_pso.opt_tso.opt.i [2023-08-30 22:22:41,179 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-30 22:22:41,187 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-30 22:22:41,187 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2023-08-30 22:22:41,187 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-30 22:22:41,239 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-08-30 22:22:41,245 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.IllegalArgumentException: No enum constant de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TraceAbstractionPreferenceInitializer.InsufficientError.DEFORE at java.base/java.lang.Enum.valueOf(Enum.java:240) at de.uni_freiburg.informatik.ultimate.core.preferences.RcpPreferenceProvider.getEnum(RcpPreferenceProvider.java:117) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TAPreferences.insufficientThreadErrorsVsProgramErrors(TAPreferences.java:218) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.partitionErrorLocations(TraceAbstractionStarter.java:394) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:280) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:225) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:173) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-08-30 22:22:41,250 INFO L158 Benchmark]: Toolchain (without parser) took 1440.56ms. Allocated memory is still 81.8MB. Free memory was 60.1MB in the beginning and 47.5MB in the end (delta: 12.5MB). Peak memory consumption was 12.0MB. Max. memory is 16.1GB. [2023-08-30 22:22:41,251 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 65.0MB. Free memory was 43.1MB in the beginning and 43.0MB in the end (delta: 44.7kB). There was no memory consumed. Max. memory is 16.1GB. [2023-08-30 22:22:41,252 INFO L158 Benchmark]: CACSL2BoogieTranslator took 522.61ms. Allocated memory is still 81.8MB. Free memory was 59.8MB in the beginning and 37.7MB in the end (delta: 22.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2023-08-30 22:22:41,252 INFO L158 Benchmark]: Boogie Procedure Inliner took 54.69ms. Allocated memory is still 81.8MB. Free memory was 37.7MB in the beginning and 60.5MB in the end (delta: -22.8MB). Peak memory consumption was 3.8MB. Max. memory is 16.1GB. [2023-08-30 22:22:41,253 INFO L158 Benchmark]: Boogie Preprocessor took 23.47ms. Allocated memory is still 81.8MB. Free memory was 60.5MB in the beginning and 58.8MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-30 22:22:41,254 INFO L158 Benchmark]: RCFGBuilder took 749.77ms. Allocated memory is still 81.8MB. Free memory was 58.8MB in the beginning and 56.4MB in the end (delta: 2.4MB). Peak memory consumption was 29.1MB. Max. memory is 16.1GB. [2023-08-30 22:22:41,254 INFO L158 Benchmark]: TraceAbstraction took 83.30ms. Allocated memory is still 81.8MB. Free memory was 55.7MB in the beginning and 47.5MB in the end (delta: 8.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-08-30 22:22:41,261 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 65.0MB. Free memory was 43.1MB in the beginning and 43.0MB in the end (delta: 44.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 522.61ms. Allocated memory is still 81.8MB. Free memory was 59.8MB in the beginning and 37.7MB in the end (delta: 22.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 54.69ms. Allocated memory is still 81.8MB. Free memory was 37.7MB in the beginning and 60.5MB in the end (delta: -22.8MB). Peak memory consumption was 3.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 23.47ms. Allocated memory is still 81.8MB. Free memory was 60.5MB in the beginning and 58.8MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 749.77ms. Allocated memory is still 81.8MB. Free memory was 58.8MB in the beginning and 56.4MB in the end (delta: 2.4MB). Peak memory consumption was 29.1MB. Max. memory is 16.1GB. * TraceAbstraction took 83.30ms. Allocated memory is still 81.8MB. Free memory was 55.7MB in the beginning and 47.5MB in the end (delta: 8.1MB). 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 22:22:41,286 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/mix034_pso.opt_tso.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 0d984378a3d93078f60e6a73f83b588890817628b7e21c558fe1824f195f48ce --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 22:22:43,147 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-30 22:22:43,149 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-30 22:22:43,178 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-30 22:22:43,179 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-30 22:22:43,180 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-30 22:22:43,181 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-30 22:22:43,182 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-30 22:22:43,185 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-30 22:22:43,186 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-30 22:22:43,187 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-30 22:22:43,189 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-30 22:22:43,190 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-30 22:22:43,192 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-30 22:22:43,193 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-30 22:22:43,195 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-30 22:22:43,197 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-30 22:22:43,201 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-30 22:22:43,202 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-30 22:22:43,204 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-30 22:22:43,205 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-30 22:22:43,206 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-30 22:22:43,207 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-30 22:22:43,207 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-30 22:22:43,210 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-30 22:22:43,210 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-30 22:22:43,211 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-30 22:22:43,211 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-30 22:22:43,212 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-30 22:22:43,213 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-30 22:22:43,213 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-30 22:22:43,213 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-30 22:22:43,214 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-30 22:22:43,215 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-30 22:22:43,215 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-30 22:22:43,216 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-30 22:22:43,216 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-30 22:22:43,216 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-30 22:22:43,217 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-30 22:22:43,217 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-30 22:22:43,218 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-30 22:22:43,226 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-08-30 22:22:43,265 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-30 22:22:43,265 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-30 22:22:43,266 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-30 22:22:43,266 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-30 22:22:43,267 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-30 22:22:43,267 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-30 22:22:43,268 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-30 22:22:43,268 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-30 22:22:43,268 INFO L138 SettingsManager]: * Use SBE=true [2023-08-30 22:22:43,268 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-30 22:22:43,269 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-30 22:22:43,269 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-30 22:22:43,269 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-30 22:22:43,269 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-30 22:22:43,270 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-30 22:22:43,270 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-30 22:22:43,270 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-08-30 22:22:43,270 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2023-08-30 22:22:43,270 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-08-30 22:22:43,270 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-30 22:22:43,270 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-30 22:22:43,271 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-30 22:22:43,271 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-30 22:22:43,271 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-30 22:22:43,271 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-30 22:22:43,271 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-30 22:22:43,271 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 22:22:43,272 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-30 22:22:43,272 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-30 22:22:43,272 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-30 22:22:43,272 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2023-08-30 22:22:43,272 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-08-30 22:22:43,273 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-30 22:22:43,273 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-30 22:22:43,273 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-30 22:22:43,273 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-30 22:22:43,273 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2023-08-30 22:22:43,273 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-30 22:22:43,273 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0d984378a3d93078f60e6a73f83b588890817628b7e21c558fe1824f195f48ce Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> DEFORE [2023-08-30 22:22:43,553 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-30 22:22:43,583 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-30 22:22:43,585 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-30 22:22:43,586 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-30 22:22:43,588 INFO L275 PluginConnector]: CDTParser initialized [2023-08-30 22:22:43,590 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix034_pso.opt_tso.opt.i [2023-08-30 22:22:44,667 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-30 22:22:44,908 INFO L351 CDTParser]: Found 1 translation units. [2023-08-30 22:22:44,908 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix034_pso.opt_tso.opt.i [2023-08-30 22:22:44,920 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/204de921b/738e38a1a7d84acf940d659ee2ed42d5/FLAGa3c631c39 [2023-08-30 22:22:45,239 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/204de921b/738e38a1a7d84acf940d659ee2ed42d5 [2023-08-30 22:22:45,241 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-30 22:22:45,242 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-30 22:22:45,243 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-30 22:22:45,243 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-30 22:22:45,248 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-30 22:22:45,248 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 10:22:45" (1/1) ... [2023-08-30 22:22:45,249 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e55beb3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:22:45, skipping insertion in model container [2023-08-30 22:22:45,249 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 10:22:45" (1/1) ... [2023-08-30 22:22:45,257 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-30 22:22:45,306 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-30 22:22:45,425 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/mix034_pso.opt_tso.opt.i[999,1012] [2023-08-30 22:22:45,608 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 22:22:45,622 INFO L203 MainTranslator]: Completed pre-run [2023-08-30 22:22:45,634 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/mix034_pso.opt_tso.opt.i[999,1012] [2023-08-30 22:22:45,680 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 22:22:45,734 WARN L667 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 22:22:45,734 WARN L667 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 22:22:45,740 INFO L208 MainTranslator]: Completed translation [2023-08-30 22:22:45,740 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:22:45 WrapperNode [2023-08-30 22:22:45,740 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-30 22:22:45,741 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-30 22:22:45,741 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-30 22:22:45,742 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-30 22:22:45,748 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:22:45" (1/1) ... [2023-08-30 22:22:45,762 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:22:45" (1/1) ... [2023-08-30 22:22:45,782 INFO L138 Inliner]: procedures = 178, calls = 45, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 122 [2023-08-30 22:22:45,783 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-30 22:22:45,783 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-30 22:22:45,784 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-30 22:22:45,784 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-30 22:22:45,791 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:22:45" (1/1) ... [2023-08-30 22:22:45,791 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:22:45" (1/1) ... [2023-08-30 22:22:45,795 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:22:45" (1/1) ... [2023-08-30 22:22:45,795 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:22:45" (1/1) ... [2023-08-30 22:22:45,804 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:22:45" (1/1) ... [2023-08-30 22:22:45,805 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:22:45" (1/1) ... [2023-08-30 22:22:45,808 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:22:45" (1/1) ... [2023-08-30 22:22:45,809 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:22:45" (1/1) ... [2023-08-30 22:22:45,812 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-30 22:22:45,813 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-30 22:22:45,813 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-30 22:22:45,813 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-30 22:22:45,814 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:22:45" (1/1) ... [2023-08-30 22:22:45,819 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 22:22:45,830 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-30 22:22:45,846 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 22:22:45,880 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 22:22:45,893 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-08-30 22:22:45,894 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-30 22:22:45,894 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-30 22:22:45,894 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-30 22:22:45,894 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-08-30 22:22:45,894 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-08-30 22:22:45,894 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2023-08-30 22:22:45,895 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2023-08-30 22:22:45,895 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2023-08-30 22:22:45,895 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2023-08-30 22:22:45,895 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-08-30 22:22:45,895 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-30 22:22:45,895 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-30 22:22:45,897 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 22:22:46,096 INFO L236 CfgBuilder]: Building ICFG [2023-08-30 22:22:46,098 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-30 22:22:46,371 INFO L277 CfgBuilder]: Performing block encoding [2023-08-30 22:22:46,509 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-30 22:22:46,512 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-08-30 22:22:46,514 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 10:22:46 BoogieIcfgContainer [2023-08-30 22:22:46,515 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-30 22:22:46,516 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-30 22:22:46,517 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-30 22:22:46,520 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-30 22:22:46,520 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.08 10:22:45" (1/3) ... [2023-08-30 22:22:46,521 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66df7e4a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 10:22:46, skipping insertion in model container [2023-08-30 22:22:46,521 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:22:45" (2/3) ... [2023-08-30 22:22:46,521 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66df7e4a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 10:22:46, skipping insertion in model container [2023-08-30 22:22:46,522 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 10:22:46" (3/3) ... [2023-08-30 22:22:46,523 INFO L112 eAbstractionObserver]: Analyzing ICFG mix034_pso.opt_tso.opt.i [2023-08-30 22:22:46,530 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-30 22:22:46,539 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-30 22:22:46,540 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2023-08-30 22:22:46,540 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-30 22:22:46,592 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-08-30 22:22:46,598 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 22:22:46,602 INFO L158 Benchmark]: Toolchain (without parser) took 1359.59ms. Allocated memory was 81.8MB in the beginning and 100.7MB in the end (delta: 18.9MB). Free memory was 57.6MB in the beginning and 75.4MB in the end (delta: -17.8MB). Peak memory consumption was 32.3MB. Max. memory is 16.1GB. [2023-08-30 22:22:46,603 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 62.9MB. Free memory is still 40.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-08-30 22:22:46,603 INFO L158 Benchmark]: CACSL2BoogieTranslator took 497.74ms. Allocated memory is still 81.8MB. Free memory was 57.4MB in the beginning and 54.0MB in the end (delta: 3.4MB). Peak memory consumption was 22.1MB. Max. memory is 16.1GB. [2023-08-30 22:22:46,604 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.60ms. Allocated memory is still 81.8MB. Free memory was 54.0MB in the beginning and 51.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-30 22:22:46,604 INFO L158 Benchmark]: Boogie Preprocessor took 29.13ms. Allocated memory is still 81.8MB. Free memory was 51.9MB in the beginning and 49.8MB in the end (delta: 2.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-08-30 22:22:46,605 INFO L158 Benchmark]: RCFGBuilder took 701.64ms. Allocated memory is still 81.8MB. Free memory was 49.4MB in the beginning and 41.4MB in the end (delta: 8.0MB). Peak memory consumption was 19.3MB. Max. memory is 16.1GB. [2023-08-30 22:22:46,606 INFO L158 Benchmark]: TraceAbstraction took 84.47ms. Allocated memory was 81.8MB in the beginning and 100.7MB in the end (delta: 18.9MB). Free memory was 40.5MB in the beginning and 75.4MB in the end (delta: -34.9MB). Peak memory consumption was 11.8MB. Max. memory is 16.1GB. [2023-08-30 22:22:46,608 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 62.9MB. Free memory is still 40.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 497.74ms. Allocated memory is still 81.8MB. Free memory was 57.4MB in the beginning and 54.0MB in the end (delta: 3.4MB). Peak memory consumption was 22.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 41.60ms. Allocated memory is still 81.8MB. Free memory was 54.0MB in the beginning and 51.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 29.13ms. Allocated memory is still 81.8MB. Free memory was 51.9MB in the beginning and 49.8MB in the end (delta: 2.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 701.64ms. Allocated memory is still 81.8MB. Free memory was 49.4MB in the beginning and 41.4MB in the end (delta: 8.0MB). Peak memory consumption was 19.3MB. Max. memory is 16.1GB. * TraceAbstraction took 84.47ms. Allocated memory was 81.8MB in the beginning and 100.7MB in the end (delta: 18.9MB). Free memory was 40.5MB in the beginning and 75.4MB in the end (delta: -34.9MB). Peak memory consumption was 11.8MB. 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 22:22:46,627 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