./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/pthread-ext/04_incdec_cas.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-ext/04_incdec_cas.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 a025fe4ca65874bde9a09e6a2d9fa9eceda581ed1bc5b23e0ff5285795ed115b --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations DEFORE --- Real Ultimate output --- This is Ultimate 0.2.3-?-b8dbc81 [2023-08-30 22:19:59,982 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-30 22:19:59,984 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-30 22:20:00,019 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-30 22:20:00,020 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-30 22:20:00,022 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-30 22:20:00,024 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-30 22:20:00,026 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-30 22:20:00,029 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-30 22:20:00,033 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-30 22:20:00,034 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-30 22:20:00,036 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-30 22:20:00,036 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-30 22:20:00,038 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-30 22:20:00,039 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-30 22:20:00,042 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-30 22:20:00,043 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-30 22:20:00,044 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-30 22:20:00,045 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-30 22:20:00,049 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-30 22:20:00,051 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-30 22:20:00,052 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-30 22:20:00,053 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-30 22:20:00,054 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-30 22:20:00,059 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-30 22:20:00,059 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-30 22:20:00,060 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-30 22:20:00,061 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-30 22:20:00,062 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-30 22:20:00,062 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-30 22:20:00,063 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-30 22:20:00,068 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-30 22:20:00,070 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-30 22:20:00,070 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-30 22:20:00,071 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-30 22:20:00,071 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-30 22:20:00,071 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-30 22:20:00,072 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-30 22:20:00,072 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-30 22:20:00,072 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-30 22:20:00,073 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-30 22:20:00,082 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-08-30 22:20:00,108 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-30 22:20:00,108 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-30 22:20:00,109 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-30 22:20:00,109 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-30 22:20:00,110 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-30 22:20:00,110 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-30 22:20:00,111 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-30 22:20:00,111 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-30 22:20:00,111 INFO L138 SettingsManager]: * Use SBE=true [2023-08-30 22:20:00,111 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-30 22:20:00,112 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-30 22:20:00,112 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-30 22:20:00,112 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-30 22:20:00,112 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-30 22:20:00,116 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-30 22:20:00,117 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-30 22:20:00,117 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-30 22:20:00,117 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-30 22:20:00,117 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-30 22:20:00,117 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-30 22:20:00,117 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-30 22:20:00,117 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-30 22:20:00,117 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-30 22:20:00,118 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-30 22:20:00,118 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 22:20:00,118 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-30 22:20:00,118 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-30 22:20:00,118 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-30 22:20:00,118 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-30 22:20:00,119 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-30 22:20:00,119 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-30 22:20:00,119 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-30 22:20:00,119 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-30 22:20:00,119 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-30 22:20:00,119 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-30 22:20:00,119 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a025fe4ca65874bde9a09e6a2d9fa9eceda581ed1bc5b23e0ff5285795ed115b Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> DEFORE [2023-08-30 22:20:00,357 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-30 22:20:00,370 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-30 22:20:00,371 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-30 22:20:00,372 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-30 22:20:00,372 INFO L275 PluginConnector]: CDTParser initialized [2023-08-30 22:20:00,373 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-ext/04_incdec_cas.i [2023-08-30 22:20:01,331 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-30 22:20:01,537 INFO L351 CDTParser]: Found 1 translation units. [2023-08-30 22:20:01,539 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/04_incdec_cas.i [2023-08-30 22:20:01,554 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5d1f84ac8/1b586fa1a9294af0b6d543be91b360f0/FLAG9b9301550 [2023-08-30 22:20:01,567 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5d1f84ac8/1b586fa1a9294af0b6d543be91b360f0 [2023-08-30 22:20:01,569 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-30 22:20:01,570 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-30 22:20:01,571 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-30 22:20:01,571 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-30 22:20:01,573 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-30 22:20:01,573 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 10:20:01" (1/1) ... [2023-08-30 22:20:01,574 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@429959c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:20:01, skipping insertion in model container [2023-08-30 22:20:01,574 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 10:20:01" (1/1) ... [2023-08-30 22:20:01,578 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-30 22:20:01,598 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-30 22:20:01,822 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-ext/04_incdec_cas.i[30285,30298] [2023-08-30 22:20:01,828 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-ext/04_incdec_cas.i[30729,30742] [2023-08-30 22:20:01,834 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 22:20:01,840 INFO L203 MainTranslator]: Completed pre-run [2023-08-30 22:20:01,872 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-ext/04_incdec_cas.i[30285,30298] [2023-08-30 22:20:01,879 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-ext/04_incdec_cas.i[30729,30742] [2023-08-30 22:20:01,883 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 22:20:01,911 INFO L208 MainTranslator]: Completed translation [2023-08-30 22:20:01,912 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:20:01 WrapperNode [2023-08-30 22:20:01,912 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-30 22:20:01,913 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-30 22:20:01,913 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-30 22:20:01,913 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-30 22:20:01,917 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:20:01" (1/1) ... [2023-08-30 22:20:01,939 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:20:01" (1/1) ... [2023-08-30 22:20:01,960 INFO L138 Inliner]: procedures = 172, calls = 43, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 159 [2023-08-30 22:20:01,960 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-30 22:20:01,961 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-30 22:20:01,961 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-30 22:20:01,962 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-30 22:20:01,967 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:20:01" (1/1) ... [2023-08-30 22:20:01,967 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:20:01" (1/1) ... [2023-08-30 22:20:01,979 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:20:01" (1/1) ... [2023-08-30 22:20:01,980 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:20:01" (1/1) ... [2023-08-30 22:20:01,987 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:20:01" (1/1) ... [2023-08-30 22:20:01,994 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:20:01" (1/1) ... [2023-08-30 22:20:01,995 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:20:01" (1/1) ... [2023-08-30 22:20:01,996 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:20:01" (1/1) ... [2023-08-30 22:20:02,001 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-30 22:20:02,005 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-30 22:20:02,005 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-30 22:20:02,005 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-30 22:20:02,006 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:20:01" (1/1) ... [2023-08-30 22:20:02,010 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 22:20:02,017 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-30 22:20:02,025 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 22:20:02,041 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 22:20:02,050 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-30 22:20:02,050 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2023-08-30 22:20:02,050 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2023-08-30 22:20:02,050 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-30 22:20:02,050 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-30 22:20:02,050 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-30 22:20:02,050 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-30 22:20:02,051 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-30 22:20:02,051 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-30 22:20:02,051 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-30 22:20:02,052 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 22:20:02,155 INFO L236 CfgBuilder]: Building ICFG [2023-08-30 22:20:02,156 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-30 22:20:02,363 INFO L277 CfgBuilder]: Performing block encoding [2023-08-30 22:20:02,480 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-30 22:20:02,480 INFO L302 CfgBuilder]: Removed 3 assume(true) statements. [2023-08-30 22:20:02,482 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 10:20:02 BoogieIcfgContainer [2023-08-30 22:20:02,482 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-30 22:20:02,484 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-30 22:20:02,484 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-30 22:20:02,494 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-30 22:20:02,494 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.08 10:20:01" (1/3) ... [2023-08-30 22:20:02,494 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6df9d068 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 10:20:02, skipping insertion in model container [2023-08-30 22:20:02,495 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:20:01" (2/3) ... [2023-08-30 22:20:02,495 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6df9d068 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 10:20:02, skipping insertion in model container [2023-08-30 22:20:02,495 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 10:20:02" (3/3) ... [2023-08-30 22:20:02,496 INFO L112 eAbstractionObserver]: Analyzing ICFG 04_incdec_cas.i [2023-08-30 22:20:02,502 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-30 22:20:02,508 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-30 22:20:02,509 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2023-08-30 22:20:02,509 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-30 22:20:02,587 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-08-30 22:20:02,591 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 22:20:02,596 INFO L158 Benchmark]: Toolchain (without parser) took 1025.54ms. Allocated memory was 58.7MB in the beginning and 71.3MB in the end (delta: 12.6MB). Free memory was 35.2MB in the beginning and 37.0MB in the end (delta: -1.8MB). Peak memory consumption was 21.4MB. Max. memory is 16.1GB. [2023-08-30 22:20:02,597 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 48.2MB. Free memory was 26.7MB in the beginning and 26.7MB in the end (delta: 1.6kB). There was no memory consumed. Max. memory is 16.1GB. [2023-08-30 22:20:02,598 INFO L158 Benchmark]: CACSL2BoogieTranslator took 341.50ms. Allocated memory is still 58.7MB. Free memory was 35.0MB in the beginning and 28.9MB in the end (delta: 6.1MB). Peak memory consumption was 11.5MB. Max. memory is 16.1GB. [2023-08-30 22:20:02,598 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.69ms. Allocated memory is still 58.7MB. Free memory was 28.7MB in the beginning and 26.6MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-30 22:20:02,599 INFO L158 Benchmark]: Boogie Preprocessor took 43.10ms. Allocated memory was 58.7MB in the beginning and 71.3MB in the end (delta: 12.6MB). Free memory was 26.6MB in the beginning and 51.2MB in the end (delta: -24.6MB). Peak memory consumption was 3.0MB. Max. memory is 16.1GB. [2023-08-30 22:20:02,600 INFO L158 Benchmark]: RCFGBuilder took 477.77ms. Allocated memory is still 71.3MB. Free memory was 50.9MB in the beginning and 32.3MB in the end (delta: 18.6MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-08-30 22:20:02,600 INFO L158 Benchmark]: TraceAbstraction took 111.27ms. Allocated memory is still 71.3MB. Free memory was 31.6MB in the beginning and 37.0MB in the end (delta: -5.4MB). Peak memory consumption was 3.0MB. Max. memory is 16.1GB. [2023-08-30 22:20:02,606 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 48.2MB. Free memory was 26.7MB in the beginning and 26.7MB in the end (delta: 1.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 341.50ms. Allocated memory is still 58.7MB. Free memory was 35.0MB in the beginning and 28.9MB in the end (delta: 6.1MB). Peak memory consumption was 11.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 47.69ms. Allocated memory is still 58.7MB. Free memory was 28.7MB in the beginning and 26.6MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 43.10ms. Allocated memory was 58.7MB in the beginning and 71.3MB in the end (delta: 12.6MB). Free memory was 26.6MB in the beginning and 51.2MB in the end (delta: -24.6MB). Peak memory consumption was 3.0MB. Max. memory is 16.1GB. * RCFGBuilder took 477.77ms. Allocated memory is still 71.3MB. Free memory was 50.9MB in the beginning and 32.3MB in the end (delta: 18.6MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * TraceAbstraction took 111.27ms. Allocated memory is still 71.3MB. Free memory was 31.6MB in the beginning and 37.0MB in the end (delta: -5.4MB). Peak memory consumption was 3.0MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: IllegalArgumentException: No enum constant de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TraceAbstractionPreferenceInitializer.InsufficientError.DEFORE de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: IllegalArgumentException: No enum constant de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TraceAbstractionPreferenceInitializer.InsufficientError.DEFORE: java.base/java.lang.Enum.valueOf(Enum.java:240) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-08-30 22:20:02,639 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../../../trunk/examples/svcomp/pthread-ext/04_incdec_cas.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 a025fe4ca65874bde9a09e6a2d9fa9eceda581ed1bc5b23e0ff5285795ed115b --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 22:20:04,457 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-30 22:20:04,459 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-30 22:20:04,478 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-30 22:20:04,479 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-30 22:20:04,479 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-30 22:20:04,480 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-30 22:20:04,481 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-30 22:20:04,482 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-30 22:20:04,483 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-30 22:20:04,484 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-30 22:20:04,484 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-30 22:20:04,485 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-30 22:20:04,485 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-30 22:20:04,486 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-30 22:20:04,487 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-30 22:20:04,487 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-30 22:20:04,488 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-30 22:20:04,489 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-30 22:20:04,490 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-30 22:20:04,491 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-30 22:20:04,492 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-30 22:20:04,493 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-30 22:20:04,497 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-30 22:20:04,507 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-30 22:20:04,510 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-30 22:20:04,511 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-30 22:20:04,511 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-30 22:20:04,513 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-30 22:20:04,513 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-30 22:20:04,515 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-30 22:20:04,515 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-30 22:20:04,517 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-30 22:20:04,517 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-30 22:20:04,518 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-30 22:20:04,518 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-30 22:20:04,519 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-30 22:20:04,520 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-30 22:20:04,520 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-30 22:20:04,520 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-30 22:20:04,521 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-30 22:20:04,522 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-08-30 22:20:04,547 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-30 22:20:04,547 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-30 22:20:04,548 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-30 22:20:04,548 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-30 22:20:04,549 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-30 22:20:04,549 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-30 22:20:04,550 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-30 22:20:04,550 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-30 22:20:04,550 INFO L138 SettingsManager]: * Use SBE=true [2023-08-30 22:20:04,550 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-30 22:20:04,551 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-30 22:20:04,551 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-30 22:20:04,551 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-30 22:20:04,551 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-30 22:20:04,551 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-30 22:20:04,552 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-30 22:20:04,552 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-08-30 22:20:04,552 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2023-08-30 22:20:04,552 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-08-30 22:20:04,552 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-30 22:20:04,552 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-30 22:20:04,552 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-30 22:20:04,553 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-30 22:20:04,553 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-30 22:20:04,553 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-30 22:20:04,553 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-30 22:20:04,553 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 22:20:04,553 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-30 22:20:04,554 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-30 22:20:04,554 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-30 22:20:04,554 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2023-08-30 22:20:04,554 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-08-30 22:20:04,554 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-30 22:20:04,554 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-30 22:20:04,555 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-30 22:20:04,555 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-30 22:20:04,555 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2023-08-30 22:20:04,555 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-30 22:20:04,555 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a025fe4ca65874bde9a09e6a2d9fa9eceda581ed1bc5b23e0ff5285795ed115b Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> DEFORE [2023-08-30 22:20:04,815 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-30 22:20:04,844 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-30 22:20:04,846 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-30 22:20:04,846 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-30 22:20:04,847 INFO L275 PluginConnector]: CDTParser initialized [2023-08-30 22:20:04,847 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-ext/04_incdec_cas.i [2023-08-30 22:20:06,030 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-30 22:20:06,197 INFO L351 CDTParser]: Found 1 translation units. [2023-08-30 22:20:06,198 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/04_incdec_cas.i [2023-08-30 22:20:06,219 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ec29cec38/d71425ab67654ad288ad63244c50b7e6/FLAG4f4f51d71 [2023-08-30 22:20:06,229 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ec29cec38/d71425ab67654ad288ad63244c50b7e6 [2023-08-30 22:20:06,231 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-30 22:20:06,232 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-30 22:20:06,233 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-30 22:20:06,233 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-30 22:20:06,235 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-30 22:20:06,241 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 10:20:06" (1/1) ... [2023-08-30 22:20:06,242 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25f9c8c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:20:06, skipping insertion in model container [2023-08-30 22:20:06,242 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 10:20:06" (1/1) ... [2023-08-30 22:20:06,246 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-30 22:20:06,280 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-30 22:20:06,495 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-ext/04_incdec_cas.i[30285,30298] [2023-08-30 22:20:06,503 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-ext/04_incdec_cas.i[30729,30742] [2023-08-30 22:20:06,510 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 22:20:06,520 INFO L203 MainTranslator]: Completed pre-run [2023-08-30 22:20:06,565 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-ext/04_incdec_cas.i[30285,30298] [2023-08-30 22:20:06,567 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/04_incdec_cas.i[30729,30742] [2023-08-30 22:20:06,574 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 22:20:06,608 INFO L208 MainTranslator]: Completed translation [2023-08-30 22:20:06,608 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:20:06 WrapperNode [2023-08-30 22:20:06,608 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-30 22:20:06,609 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-30 22:20:06,609 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-30 22:20:06,609 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-30 22:20:06,613 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:20:06" (1/1) ... [2023-08-30 22:20:06,640 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:20:06" (1/1) ... [2023-08-30 22:20:06,661 INFO L138 Inliner]: procedures = 176, calls = 43, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 159 [2023-08-30 22:20:06,662 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-30 22:20:06,662 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-30 22:20:06,663 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-30 22:20:06,663 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-30 22:20:06,668 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:20:06" (1/1) ... [2023-08-30 22:20:06,668 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:20:06" (1/1) ... [2023-08-30 22:20:06,682 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:20:06" (1/1) ... [2023-08-30 22:20:06,683 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:20:06" (1/1) ... [2023-08-30 22:20:06,687 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:20:06" (1/1) ... [2023-08-30 22:20:06,689 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:20:06" (1/1) ... [2023-08-30 22:20:06,691 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:20:06" (1/1) ... [2023-08-30 22:20:06,692 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:20:06" (1/1) ... [2023-08-30 22:20:06,703 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-30 22:20:06,704 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-30 22:20:06,704 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-30 22:20:06,704 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-30 22:20:06,705 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:20:06" (1/1) ... [2023-08-30 22:20:06,713 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 22:20:06,721 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-30 22:20:06,766 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 22:20:06,803 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 22:20:06,822 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-08-30 22:20:06,822 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2023-08-30 22:20:06,822 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2023-08-30 22:20:06,822 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-30 22:20:06,822 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-30 22:20:06,822 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-30 22:20:06,822 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-08-30 22:20:06,823 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-08-30 22:20:06,823 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-08-30 22:20:06,823 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-30 22:20:06,823 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-30 22:20:06,824 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 22:20:06,911 INFO L236 CfgBuilder]: Building ICFG [2023-08-30 22:20:06,913 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-30 22:20:07,123 INFO L277 CfgBuilder]: Performing block encoding [2023-08-30 22:20:07,303 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-30 22:20:07,303 INFO L302 CfgBuilder]: Removed 3 assume(true) statements. [2023-08-30 22:20:07,305 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 10:20:07 BoogieIcfgContainer [2023-08-30 22:20:07,305 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-30 22:20:07,307 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-30 22:20:07,307 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-30 22:20:07,309 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-30 22:20:07,309 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.08 10:20:06" (1/3) ... [2023-08-30 22:20:07,310 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2cfcc389 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 10:20:07, skipping insertion in model container [2023-08-30 22:20:07,310 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 10:20:06" (2/3) ... [2023-08-30 22:20:07,310 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2cfcc389 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 10:20:07, skipping insertion in model container [2023-08-30 22:20:07,310 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 10:20:07" (3/3) ... [2023-08-30 22:20:07,311 INFO L112 eAbstractionObserver]: Analyzing ICFG 04_incdec_cas.i [2023-08-30 22:20:07,318 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-30 22:20:07,325 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-30 22:20:07,325 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2023-08-30 22:20:07,325 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-30 22:20:07,395 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-08-30 22:20:07,399 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 22:20:07,403 INFO L158 Benchmark]: Toolchain (without parser) took 1170.15ms. Allocated memory is still 77.6MB. Free memory was 51.8MB in the beginning and 37.4MB in the end (delta: 14.5MB). Peak memory consumption was 15.1MB. Max. memory is 16.1GB. [2023-08-30 22:20:07,403 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 58.7MB. Free memory was 36.7MB in the beginning and 36.7MB in the end (delta: 44.5kB). There was no memory consumed. Max. memory is 16.1GB. [2023-08-30 22:20:07,404 INFO L158 Benchmark]: CACSL2BoogieTranslator took 375.44ms. Allocated memory is still 77.6MB. Free memory was 51.7MB in the beginning and 49.5MB in the end (delta: 2.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-08-30 22:20:07,404 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.13ms. Allocated memory is still 77.6MB. Free memory was 49.5MB in the beginning and 47.1MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-30 22:20:07,404 INFO L158 Benchmark]: Boogie Preprocessor took 41.20ms. Allocated memory is still 77.6MB. Free memory was 47.1MB in the beginning and 45.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-30 22:20:07,405 INFO L158 Benchmark]: RCFGBuilder took 601.32ms. Allocated memory is still 77.6MB. Free memory was 44.7MB in the beginning and 51.7MB in the end (delta: -6.9MB). Peak memory consumption was 17.2MB. Max. memory is 16.1GB. [2023-08-30 22:20:07,405 INFO L158 Benchmark]: TraceAbstraction took 94.87ms. Allocated memory is still 77.6MB. Free memory was 51.2MB in the beginning and 37.4MB in the end (delta: 13.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-08-30 22:20:07,407 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 58.7MB. Free memory was 36.7MB in the beginning and 36.7MB in the end (delta: 44.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 375.44ms. Allocated memory is still 77.6MB. Free memory was 51.7MB in the beginning and 49.5MB in the end (delta: 2.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 53.13ms. Allocated memory is still 77.6MB. Free memory was 49.5MB in the beginning and 47.1MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 41.20ms. Allocated memory is still 77.6MB. Free memory was 47.1MB in the beginning and 45.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 601.32ms. Allocated memory is still 77.6MB. Free memory was 44.7MB in the beginning and 51.7MB in the end (delta: -6.9MB). Peak memory consumption was 17.2MB. Max. memory is 16.1GB. * TraceAbstraction took 94.87ms. Allocated memory is still 77.6MB. Free memory was 51.2MB in the beginning and 37.4MB in the end (delta: 13.9MB). Peak memory consumption was 14.7MB. 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 22:20:07,445 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