./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/valid-memsafety.prp --file ../../../trunk/examples/svcomp/pthread-wmm/mix031.opt.i --full-output --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations DEFORE --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) 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/AutomizerMemDerefMemtrack.xml -i ../../../trunk/examples/svcomp/pthread-wmm/mix031.opt.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-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 valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 526111e98fa506d5405af18114114ae6aa9ce1a2e8442e7719052c05a249c119 --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 01:51:37,251 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-30 01:51:37,252 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-30 01:51:37,285 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-30 01:51:37,286 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-30 01:51:37,288 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-30 01:51:37,292 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-30 01:51:37,295 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-30 01:51:37,298 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-30 01:51:37,302 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-30 01:51:37,303 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-30 01:51:37,306 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-30 01:51:37,306 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-30 01:51:37,308 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-30 01:51:37,311 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-30 01:51:37,312 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-30 01:51:37,313 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-30 01:51:37,313 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-30 01:51:37,315 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-30 01:51:37,318 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-30 01:51:37,327 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-30 01:51:37,328 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-30 01:51:37,329 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-30 01:51:37,330 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-30 01:51:37,336 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-30 01:51:37,337 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-30 01:51:37,337 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-30 01:51:37,340 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-30 01:51:37,340 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-30 01:51:37,341 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-30 01:51:37,341 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-30 01:51:37,343 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-30 01:51:37,345 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-30 01:51:37,345 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-30 01:51:37,346 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-30 01:51:37,346 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-30 01:51:37,347 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-30 01:51:37,347 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-30 01:51:37,347 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-30 01:51:37,348 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-30 01:51:37,349 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-30 01:51:37,350 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2023-08-30 01:51:37,373 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-30 01:51:37,373 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-30 01:51:37,373 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-30 01:51:37,373 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-30 01:51:37,374 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-30 01:51:37,374 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-30 01:51:37,375 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-30 01:51:37,375 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-30 01:51:37,375 INFO L138 SettingsManager]: * Use SBE=true [2023-08-30 01:51:37,375 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-30 01:51:37,375 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-30 01:51:37,375 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-30 01:51:37,376 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-30 01:51:37,376 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-30 01:51:37,376 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-30 01:51:37,376 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-08-30 01:51:37,376 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2023-08-30 01:51:37,376 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-08-30 01:51:37,376 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-30 01:51:37,377 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-08-30 01:51:37,377 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-30 01:51:37,377 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-30 01:51:37,377 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-30 01:51:37,377 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-30 01:51:37,378 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-30 01:51:37,378 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 01:51:37,378 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-30 01:51:37,378 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-30 01:51:37,378 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-30 01:51:37,379 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-30 01:51:37,379 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-30 01:51:37,379 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-30 01:51:37,379 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-30 01:51:37,380 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-30 01:51:37,380 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 526111e98fa506d5405af18114114ae6aa9ce1a2e8442e7719052c05a249c119 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> DEFORE [2023-08-30 01:51:37,712 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-30 01:51:37,734 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-30 01:51:37,737 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-30 01:51:37,739 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-30 01:51:37,740 INFO L275 PluginConnector]: CDTParser initialized [2023-08-30 01:51:37,742 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix031.opt.i [2023-08-30 01:51:38,862 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-30 01:51:39,161 INFO L351 CDTParser]: Found 1 translation units. [2023-08-30 01:51:39,167 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix031.opt.i [2023-08-30 01:51:39,178 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/889d632be/4482e4eabb6242949ea10402521845fd/FLAGba384e70c [2023-08-30 01:51:39,196 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/889d632be/4482e4eabb6242949ea10402521845fd [2023-08-30 01:51:39,199 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-30 01:51:39,200 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-30 01:51:39,204 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-30 01:51:39,205 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-30 01:51:39,210 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-30 01:51:39,211 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 01:51:39" (1/1) ... [2023-08-30 01:51:39,214 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@41571d45 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:51:39, skipping insertion in model container [2023-08-30 01:51:39,214 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 01:51:39" (1/1) ... [2023-08-30 01:51:39,220 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-30 01:51:39,280 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-30 01:51:39,464 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/mix031.opt.i[987,1000] [2023-08-30 01:51:39,683 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 01:51:39,696 INFO L203 MainTranslator]: Completed pre-run [2023-08-30 01:51:39,708 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/mix031.opt.i[987,1000] [2023-08-30 01:51:39,761 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 01:51:39,812 WARN L667 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 01:51:39,812 WARN L667 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 01:51:39,818 INFO L208 MainTranslator]: Completed translation [2023-08-30 01:51:39,819 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:51:39 WrapperNode [2023-08-30 01:51:39,819 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-30 01:51:39,820 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-30 01:51:39,821 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-30 01:51:39,821 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-30 01:51:39,827 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:51:39" (1/1) ... [2023-08-30 01:51:39,855 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:51:39" (1/1) ... [2023-08-30 01:51:39,891 INFO L138 Inliner]: procedures = 175, calls = 49, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 123 [2023-08-30 01:51:39,892 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-30 01:51:39,893 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-30 01:51:39,894 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-30 01:51:39,894 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-30 01:51:39,902 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:51:39" (1/1) ... [2023-08-30 01:51:39,903 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:51:39" (1/1) ... [2023-08-30 01:51:39,920 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:51:39" (1/1) ... [2023-08-30 01:51:39,920 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:51:39" (1/1) ... [2023-08-30 01:51:39,935 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:51:39" (1/1) ... [2023-08-30 01:51:39,937 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:51:39" (1/1) ... [2023-08-30 01:51:39,938 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:51:39" (1/1) ... [2023-08-30 01:51:39,948 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:51:39" (1/1) ... [2023-08-30 01:51:39,950 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-30 01:51:39,951 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-30 01:51:39,951 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-30 01:51:39,952 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-30 01:51:39,952 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:51:39" (1/1) ... [2023-08-30 01:51:39,962 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 01:51:39,974 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-30 01:51:39,990 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 01:51:40,002 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 01:51:40,029 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-30 01:51:40,030 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-08-30 01:51:40,030 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-30 01:51:40,030 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-30 01:51:40,030 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-30 01:51:40,030 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2023-08-30 01:51:40,031 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2023-08-30 01:51:40,031 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2023-08-30 01:51:40,031 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2023-08-30 01:51:40,031 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-30 01:51:40,031 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-08-30 01:51:40,032 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-30 01:51:40,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-30 01:51:40,033 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 01:51:40,154 INFO L236 CfgBuilder]: Building ICFG [2023-08-30 01:51:40,156 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-30 01:51:40,495 INFO L277 CfgBuilder]: Performing block encoding [2023-08-30 01:51:40,591 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-30 01:51:40,592 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-08-30 01:51:40,594 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 01:51:40 BoogieIcfgContainer [2023-08-30 01:51:40,594 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-30 01:51:40,596 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-30 01:51:40,596 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-30 01:51:40,599 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-30 01:51:40,599 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.08 01:51:39" (1/3) ... [2023-08-30 01:51:40,600 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e92b450 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 01:51:40, skipping insertion in model container [2023-08-30 01:51:40,600 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:51:39" (2/3) ... [2023-08-30 01:51:40,600 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e92b450 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 01:51:40, skipping insertion in model container [2023-08-30 01:51:40,600 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 01:51:40" (3/3) ... [2023-08-30 01:51:40,601 INFO L112 eAbstractionObserver]: Analyzing ICFG mix031.opt.i [2023-08-30 01:51:40,617 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-30 01:51:40,618 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 7 error locations. [2023-08-30 01:51:40,618 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-30 01:51:40,687 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-08-30 01:51:40,693 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 01:51:40,697 INFO L158 Benchmark]: Toolchain (without parser) took 1496.06ms. Allocated memory was 73.4MB in the beginning and 96.5MB in the end (delta: 23.1MB). Free memory was 50.1MB in the beginning and 70.6MB in the end (delta: -20.5MB). Peak memory consumption was 44.7MB. Max. memory is 16.1GB. [2023-08-30 01:51:40,697 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 73.4MB. Free memory is still 52.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-08-30 01:51:40,698 INFO L158 Benchmark]: CACSL2BoogieTranslator took 615.26ms. Allocated memory was 73.4MB in the beginning and 96.5MB in the end (delta: 23.1MB). Free memory was 49.8MB in the beginning and 74.6MB in the end (delta: -24.7MB). Peak memory consumption was 26.3MB. Max. memory is 16.1GB. [2023-08-30 01:51:40,698 INFO L158 Benchmark]: Boogie Procedure Inliner took 71.74ms. Allocated memory is still 96.5MB. Free memory was 74.6MB in the beginning and 72.1MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-30 01:51:40,699 INFO L158 Benchmark]: Boogie Preprocessor took 57.42ms. Allocated memory is still 96.5MB. Free memory was 72.1MB in the beginning and 70.3MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-30 01:51:40,700 INFO L158 Benchmark]: RCFGBuilder took 642.83ms. Allocated memory is still 96.5MB. Free memory was 70.3MB in the beginning and 41.0MB in the end (delta: 29.3MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2023-08-30 01:51:40,700 INFO L158 Benchmark]: TraceAbstraction took 99.61ms. Allocated memory is still 96.5MB. Free memory was 40.6MB in the beginning and 70.6MB in the end (delta: -30.0MB). Peak memory consumption was 12.1MB. Max. memory is 16.1GB. [2023-08-30 01:51:40,703 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 73.4MB. Free memory is still 52.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 615.26ms. Allocated memory was 73.4MB in the beginning and 96.5MB in the end (delta: 23.1MB). Free memory was 49.8MB in the beginning and 74.6MB in the end (delta: -24.7MB). Peak memory consumption was 26.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 71.74ms. Allocated memory is still 96.5MB. Free memory was 74.6MB in the beginning and 72.1MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 57.42ms. Allocated memory is still 96.5MB. Free memory was 72.1MB in the beginning and 70.3MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 642.83ms. Allocated memory is still 96.5MB. Free memory was 70.3MB in the beginning and 41.0MB in the end (delta: 29.3MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * TraceAbstraction took 99.61ms. Allocated memory is still 96.5MB. Free memory was 40.6MB in the beginning and 70.6MB in the end (delta: -30.0MB). Peak memory consumption was 12.1MB. 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 01:51:40,717 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/AutomizerMemDerefMemtrack.xml -i ../../../trunk/examples/svcomp/pthread-wmm/mix031.opt.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-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 valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 526111e98fa506d5405af18114114ae6aa9ce1a2e8442e7719052c05a249c119 --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 01:51:42,642 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-30 01:51:42,644 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-30 01:51:42,675 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-30 01:51:42,675 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-30 01:51:42,676 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-30 01:51:42,678 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-30 01:51:42,679 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-30 01:51:42,681 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-30 01:51:42,681 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-30 01:51:42,682 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-30 01:51:42,683 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-30 01:51:42,684 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-30 01:51:42,685 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-30 01:51:42,686 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-30 01:51:42,687 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-30 01:51:42,688 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-30 01:51:42,688 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-30 01:51:42,690 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-30 01:51:42,691 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-30 01:51:42,693 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-30 01:51:42,694 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-30 01:51:42,695 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-30 01:51:42,696 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-30 01:51:42,699 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-30 01:51:42,699 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-30 01:51:42,700 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-30 01:51:42,701 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-30 01:51:42,701 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-30 01:51:42,702 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-30 01:51:42,702 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-30 01:51:42,703 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-30 01:51:42,704 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-30 01:51:42,704 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-30 01:51:42,705 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-30 01:51:42,706 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-30 01:51:42,706 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-30 01:51:42,707 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-30 01:51:42,707 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-30 01:51:42,708 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-30 01:51:42,708 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-30 01:51:42,710 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2023-08-30 01:51:42,730 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-30 01:51:42,731 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-30 01:51:42,731 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-30 01:51:42,731 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-30 01:51:42,732 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-30 01:51:42,733 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-30 01:51:42,733 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-30 01:51:42,734 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-30 01:51:42,734 INFO L138 SettingsManager]: * Use SBE=true [2023-08-30 01:51:42,734 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-30 01:51:42,734 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-30 01:51:42,735 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-30 01:51:42,735 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-30 01:51:42,735 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-30 01:51:42,735 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-30 01:51:42,736 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-08-30 01:51:42,736 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2023-08-30 01:51:42,736 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-08-30 01:51:42,736 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-30 01:51:42,737 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-08-30 01:51:42,737 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2023-08-30 01:51:42,737 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-08-30 01:51:42,737 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-30 01:51:42,737 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-30 01:51:42,738 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-30 01:51:42,738 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-30 01:51:42,738 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-30 01:51:42,738 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 01:51:42,739 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-30 01:51:42,739 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-30 01:51:42,739 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2023-08-30 01:51:42,739 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-08-30 01:51:42,740 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-30 01:51:42,740 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-30 01:51:42,740 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-30 01:51:42,740 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2023-08-30 01:51:42,740 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-30 01:51:42,741 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 526111e98fa506d5405af18114114ae6aa9ce1a2e8442e7719052c05a249c119 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> DEFORE [2023-08-30 01:51:43,046 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-30 01:51:43,069 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-30 01:51:43,071 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-30 01:51:43,072 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-30 01:51:43,073 INFO L275 PluginConnector]: CDTParser initialized [2023-08-30 01:51:43,074 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix031.opt.i [2023-08-30 01:51:44,309 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-30 01:51:44,548 INFO L351 CDTParser]: Found 1 translation units. [2023-08-30 01:51:44,548 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix031.opt.i [2023-08-30 01:51:44,560 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1e0e10c6d/9c7f1b3644e146cca2207482ecad10c4/FLAG15a9ee370 [2023-08-30 01:51:44,573 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1e0e10c6d/9c7f1b3644e146cca2207482ecad10c4 [2023-08-30 01:51:44,575 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-30 01:51:44,576 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-30 01:51:44,577 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-30 01:51:44,577 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-30 01:51:44,581 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-30 01:51:44,582 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 01:51:44" (1/1) ... [2023-08-30 01:51:44,583 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1dfb0810 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:51:44, skipping insertion in model container [2023-08-30 01:51:44,585 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 01:51:44" (1/1) ... [2023-08-30 01:51:44,592 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-30 01:51:44,635 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-30 01:51:44,817 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/mix031.opt.i[987,1000] [2023-08-30 01:51:45,048 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 01:51:45,074 INFO L203 MainTranslator]: Completed pre-run [2023-08-30 01:51:45,109 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/mix031.opt.i[987,1000] [2023-08-30 01:51:45,150 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 01:51:45,189 WARN L667 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 01:51:45,189 WARN L667 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 01:51:45,195 INFO L208 MainTranslator]: Completed translation [2023-08-30 01:51:45,196 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:51:45 WrapperNode [2023-08-30 01:51:45,196 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-30 01:51:45,197 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-30 01:51:45,197 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-30 01:51:45,197 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-30 01:51:45,204 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:51:45" (1/1) ... [2023-08-30 01:51:45,239 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:51:45" (1/1) ... [2023-08-30 01:51:45,277 INFO L138 Inliner]: procedures = 178, calls = 49, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 124 [2023-08-30 01:51:45,277 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-30 01:51:45,279 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-30 01:51:45,279 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-30 01:51:45,279 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-30 01:51:45,287 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:51:45" (1/1) ... [2023-08-30 01:51:45,288 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:51:45" (1/1) ... [2023-08-30 01:51:45,299 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:51:45" (1/1) ... [2023-08-30 01:51:45,303 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:51:45" (1/1) ... [2023-08-30 01:51:45,313 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:51:45" (1/1) ... [2023-08-30 01:51:45,325 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:51:45" (1/1) ... [2023-08-30 01:51:45,327 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:51:45" (1/1) ... [2023-08-30 01:51:45,329 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:51:45" (1/1) ... [2023-08-30 01:51:45,332 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-30 01:51:45,333 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-30 01:51:45,333 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-30 01:51:45,333 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-30 01:51:45,334 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:51:45" (1/1) ... [2023-08-30 01:51:45,339 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 01:51:45,350 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-30 01:51:45,364 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 01:51:45,391 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 01:51:45,409 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-08-30 01:51:45,409 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-30 01:51:45,409 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-30 01:51:45,409 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-30 01:51:45,410 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-08-30 01:51:45,410 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-08-30 01:51:45,410 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2023-08-30 01:51:45,410 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2023-08-30 01:51:45,410 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2023-08-30 01:51:45,410 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2023-08-30 01:51:45,411 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-08-30 01:51:45,411 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-30 01:51:45,411 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-30 01:51:45,412 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 01:51:45,588 INFO L236 CfgBuilder]: Building ICFG [2023-08-30 01:51:45,590 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-30 01:51:45,903 INFO L277 CfgBuilder]: Performing block encoding [2023-08-30 01:51:46,056 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-30 01:51:46,057 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-08-30 01:51:46,059 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 01:51:46 BoogieIcfgContainer [2023-08-30 01:51:46,059 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-30 01:51:46,063 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-30 01:51:46,063 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-30 01:51:46,066 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-30 01:51:46,066 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.08 01:51:44" (1/3) ... [2023-08-30 01:51:46,067 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62612d59 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 01:51:46, skipping insertion in model container [2023-08-30 01:51:46,067 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:51:45" (2/3) ... [2023-08-30 01:51:46,068 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62612d59 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 01:51:46, skipping insertion in model container [2023-08-30 01:51:46,068 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 01:51:46" (3/3) ... [2023-08-30 01:51:46,070 INFO L112 eAbstractionObserver]: Analyzing ICFG mix031.opt.i [2023-08-30 01:51:46,083 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-30 01:51:46,084 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 7 error locations. [2023-08-30 01:51:46,084 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-30 01:51:46,144 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-08-30 01:51:46,150 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 01:51:46,157 INFO L158 Benchmark]: Toolchain (without parser) took 1580.08ms. Allocated memory was 67.1MB in the beginning and 81.8MB in the end (delta: 14.7MB). Free memory was 43.4MB in the beginning and 37.8MB in the end (delta: 5.5MB). Peak memory consumption was 22.7MB. Max. memory is 16.1GB. [2023-08-30 01:51:46,158 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 54.5MB. Free memory was 31.9MB in the beginning and 31.8MB in the end (delta: 50.5kB). There was no memory consumed. Max. memory is 16.1GB. [2023-08-30 01:51:46,159 INFO L158 Benchmark]: CACSL2BoogieTranslator took 619.01ms. Allocated memory is still 67.1MB. Free memory was 43.2MB in the beginning and 36.9MB in the end (delta: 6.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-08-30 01:51:46,159 INFO L158 Benchmark]: Boogie Procedure Inliner took 80.41ms. Allocated memory is still 67.1MB. Free memory was 36.9MB in the beginning and 34.5MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-30 01:51:46,161 INFO L158 Benchmark]: Boogie Preprocessor took 53.75ms. Allocated memory is still 67.1MB. Free memory was 34.5MB in the beginning and 32.5MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-30 01:51:46,161 INFO L158 Benchmark]: RCFGBuilder took 726.28ms. Allocated memory was 67.1MB in the beginning and 81.8MB in the end (delta: 14.7MB). Free memory was 32.2MB in the beginning and 48.9MB in the end (delta: -16.7MB). Peak memory consumption was 10.1MB. Max. memory is 16.1GB. [2023-08-30 01:51:46,162 INFO L158 Benchmark]: TraceAbstraction took 92.79ms. Allocated memory is still 81.8MB. Free memory was 48.0MB in the beginning and 37.8MB in the end (delta: 10.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-08-30 01:51:46,171 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 54.5MB. Free memory was 31.9MB in the beginning and 31.8MB in the end (delta: 50.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 619.01ms. Allocated memory is still 67.1MB. Free memory was 43.2MB in the beginning and 36.9MB in the end (delta: 6.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 80.41ms. Allocated memory is still 67.1MB. Free memory was 36.9MB in the beginning and 34.5MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 53.75ms. Allocated memory is still 67.1MB. Free memory was 34.5MB in the beginning and 32.5MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 726.28ms. Allocated memory was 67.1MB in the beginning and 81.8MB in the end (delta: 14.7MB). Free memory was 32.2MB in the beginning and 48.9MB in the end (delta: -16.7MB). Peak memory consumption was 10.1MB. Max. memory is 16.1GB. * TraceAbstraction took 92.79ms. Allocated memory is still 81.8MB. Free memory was 48.0MB in the beginning and 37.8MB in the end (delta: 10.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: IllegalArgumentException: No enum constant de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TraceAbstractionPreferenceInitializer.InsufficientError.DEFORE de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: IllegalArgumentException: No enum constant de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TraceAbstractionPreferenceInitializer.InsufficientError.DEFORE: java.base/java.lang.Enum.valueOf(Enum.java:240) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-08-30 01:51:46,193 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