./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/valid-memsafety.prp --file ../../../trunk/examples/svcomp/pthread-wmm/mix021.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/mix021.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 576d0750cd121d18ae295ddde1dd1649436f79f5ff3834655e4b6c15fd1260db --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 01:50:56,704 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-30 01:50:56,706 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-30 01:50:56,758 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-30 01:50:56,758 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-30 01:50:56,761 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-30 01:50:56,763 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-30 01:50:56,766 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-30 01:50:56,768 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-30 01:50:56,774 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-30 01:50:56,775 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-30 01:50:56,778 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-30 01:50:56,778 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-30 01:50:56,780 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-30 01:50:56,782 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-30 01:50:56,786 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-30 01:50:56,787 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-30 01:50:56,788 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-30 01:50:56,790 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-30 01:50:56,794 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-30 01:50:56,802 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-30 01:50:56,803 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-30 01:50:56,804 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-30 01:50:56,805 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-30 01:50:56,814 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-30 01:50:56,815 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-30 01:50:56,815 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-30 01:50:56,816 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-30 01:50:56,818 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-30 01:50:56,819 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-30 01:50:56,820 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-30 01:50:56,821 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-30 01:50:56,822 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-30 01:50:56,823 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-30 01:50:56,824 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-30 01:50:56,824 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-30 01:50:56,825 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-30 01:50:56,825 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-30 01:50:56,825 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-30 01:50:56,826 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-30 01:50:56,827 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-30 01:50:56,828 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2023-08-30 01:50:56,864 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-30 01:50:56,864 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-30 01:50:56,866 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-30 01:50:56,866 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-30 01:50:56,867 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-30 01:50:56,867 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-30 01:50:56,868 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-30 01:50:56,868 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-30 01:50:56,868 INFO L138 SettingsManager]: * Use SBE=true [2023-08-30 01:50:56,868 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-30 01:50:56,869 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-30 01:50:56,869 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-30 01:50:56,869 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-30 01:50:56,870 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-30 01:50:56,870 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-30 01:50:56,870 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-08-30 01:50:56,870 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2023-08-30 01:50:56,870 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-08-30 01:50:56,871 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-30 01:50:56,871 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-08-30 01:50:56,871 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-30 01:50:56,871 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-30 01:50:56,871 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-30 01:50:56,872 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-30 01:50:56,872 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-30 01:50:56,872 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 01:50:56,872 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-30 01:50:56,872 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-30 01:50:56,873 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-30 01:50:56,873 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-30 01:50:56,873 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-30 01:50:56,873 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-30 01:50:56,874 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-30 01:50:56,874 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-30 01:50:56,874 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 576d0750cd121d18ae295ddde1dd1649436f79f5ff3834655e4b6c15fd1260db Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> DEFORE [2023-08-30 01:50:57,190 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-30 01:50:57,206 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-30 01:50:57,210 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-30 01:50:57,211 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-30 01:50:57,211 INFO L275 PluginConnector]: CDTParser initialized [2023-08-30 01:50:57,212 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix021.opt.i [2023-08-30 01:50:58,402 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-30 01:50:58,735 INFO L351 CDTParser]: Found 1 translation units. [2023-08-30 01:50:58,741 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix021.opt.i [2023-08-30 01:50:58,766 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ba61e33ac/6b29ce389c0540089cd6fcd1aad06128/FLAG98ec9f230 [2023-08-30 01:50:58,997 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ba61e33ac/6b29ce389c0540089cd6fcd1aad06128 [2023-08-30 01:50:58,999 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-30 01:50:59,001 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-30 01:50:59,002 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-30 01:50:59,002 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-30 01:50:59,008 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-30 01:50:59,008 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 01:50:58" (1/1) ... [2023-08-30 01:50:59,009 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@389d273b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:50:59, skipping insertion in model container [2023-08-30 01:50:59,010 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 01:50:58" (1/1) ... [2023-08-30 01:50:59,015 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-30 01:50:59,070 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-30 01:50:59,236 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/mix021.opt.i[944,957] [2023-08-30 01:50:59,472 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 01:50:59,485 INFO L203 MainTranslator]: Completed pre-run [2023-08-30 01:50:59,497 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/mix021.opt.i[944,957] [2023-08-30 01:50:59,589 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 01:50:59,647 WARN L667 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 01:50:59,647 WARN L667 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 01:50:59,653 INFO L208 MainTranslator]: Completed translation [2023-08-30 01:50:59,654 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:50:59 WrapperNode [2023-08-30 01:50:59,654 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-30 01:50:59,655 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-30 01:50:59,655 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-30 01:50:59,655 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-30 01:50:59,661 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:50:59" (1/1) ... [2023-08-30 01:50:59,698 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:50:59" (1/1) ... [2023-08-30 01:50:59,727 INFO L138 Inliner]: procedures = 177, calls = 69, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 164 [2023-08-30 01:50:59,732 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-30 01:50:59,733 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-30 01:50:59,734 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-30 01:50:59,734 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-30 01:50:59,742 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:50:59" (1/1) ... [2023-08-30 01:50:59,743 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:50:59" (1/1) ... [2023-08-30 01:50:59,757 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:50:59" (1/1) ... [2023-08-30 01:50:59,757 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:50:59" (1/1) ... [2023-08-30 01:50:59,768 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:50:59" (1/1) ... [2023-08-30 01:50:59,779 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:50:59" (1/1) ... [2023-08-30 01:50:59,782 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:50:59" (1/1) ... [2023-08-30 01:50:59,787 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:50:59" (1/1) ... [2023-08-30 01:50:59,794 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-30 01:50:59,796 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-30 01:50:59,797 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-30 01:50:59,797 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-30 01:50:59,798 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:50:59" (1/1) ... [2023-08-30 01:50:59,805 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 01:50:59,817 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-30 01:50:59,829 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 01:50:59,837 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 01:50:59,863 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-30 01:50:59,863 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-08-30 01:50:59,864 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-30 01:50:59,864 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-30 01:50:59,864 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-30 01:50:59,864 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2023-08-30 01:50:59,864 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2023-08-30 01:50:59,864 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2023-08-30 01:50:59,864 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2023-08-30 01:50:59,865 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2023-08-30 01:50:59,865 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2023-08-30 01:50:59,865 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2023-08-30 01:50:59,865 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2023-08-30 01:50:59,865 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-30 01:50:59,865 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-08-30 01:50:59,865 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-30 01:50:59,865 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-30 01:50:59,867 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 01:51:00,075 INFO L236 CfgBuilder]: Building ICFG [2023-08-30 01:51:00,077 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-30 01:51:00,392 INFO L277 CfgBuilder]: Performing block encoding [2023-08-30 01:51:00,575 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-30 01:51:00,576 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-08-30 01:51:00,579 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 01:51:00 BoogieIcfgContainer [2023-08-30 01:51:00,579 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-30 01:51:00,581 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-30 01:51:00,582 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-30 01:51:00,584 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-30 01:51:00,584 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.08 01:50:58" (1/3) ... [2023-08-30 01:51:00,585 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@760faa6f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 01:51:00, skipping insertion in model container [2023-08-30 01:51:00,585 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:50:59" (2/3) ... [2023-08-30 01:51:00,585 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@760faa6f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 01:51:00, skipping insertion in model container [2023-08-30 01:51:00,586 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 01:51:00" (3/3) ... [2023-08-30 01:51:00,587 INFO L112 eAbstractionObserver]: Analyzing ICFG mix021.opt.i [2023-08-30 01:51:00,601 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-30 01:51:00,601 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 11 error locations. [2023-08-30 01:51:00,602 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-30 01:51:00,678 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-08-30 01:51:00,683 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 01:51:00,689 INFO L158 Benchmark]: Toolchain (without parser) took 1686.84ms. Allocated memory was 75.5MB in the beginning and 92.3MB in the end (delta: 16.8MB). Free memory was 51.9MB in the beginning and 52.6MB in the end (delta: -742.4kB). Peak memory consumption was 19.3MB. Max. memory is 16.1GB. [2023-08-30 01:51:00,689 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 60.8MB. Free memory was 38.9MB in the beginning and 38.8MB in the end (delta: 41.0kB). There was no memory consumed. Max. memory is 16.1GB. [2023-08-30 01:51:00,690 INFO L158 Benchmark]: CACSL2BoogieTranslator took 652.10ms. Allocated memory is still 75.5MB. Free memory was 51.7MB in the beginning and 47.7MB in the end (delta: 4.0MB). Peak memory consumption was 21.7MB. Max. memory is 16.1GB. [2023-08-30 01:51:00,690 INFO L158 Benchmark]: Boogie Procedure Inliner took 77.54ms. Allocated memory is still 75.5MB. Free memory was 47.7MB in the beginning and 44.9MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-30 01:51:00,691 INFO L158 Benchmark]: Boogie Preprocessor took 61.62ms. Allocated memory is still 75.5MB. Free memory was 44.9MB in the beginning and 42.9MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-30 01:51:00,692 INFO L158 Benchmark]: RCFGBuilder took 783.03ms. Allocated memory was 75.5MB in the beginning and 92.3MB in the end (delta: 16.8MB). Free memory was 42.9MB in the beginning and 63.6MB in the end (delta: -20.8MB). Peak memory consumption was 20.6MB. Max. memory is 16.1GB. [2023-08-30 01:51:00,693 INFO L158 Benchmark]: TraceAbstraction took 105.66ms. Allocated memory is still 92.3MB. Free memory was 63.1MB in the beginning and 52.6MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-08-30 01:51:00,700 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 60.8MB. Free memory was 38.9MB in the beginning and 38.8MB in the end (delta: 41.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 652.10ms. Allocated memory is still 75.5MB. Free memory was 51.7MB in the beginning and 47.7MB in the end (delta: 4.0MB). Peak memory consumption was 21.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 77.54ms. Allocated memory is still 75.5MB. Free memory was 47.7MB in the beginning and 44.9MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 61.62ms. Allocated memory is still 75.5MB. Free memory was 44.9MB in the beginning and 42.9MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 783.03ms. Allocated memory was 75.5MB in the beginning and 92.3MB in the end (delta: 16.8MB). Free memory was 42.9MB in the beginning and 63.6MB in the end (delta: -20.8MB). Peak memory consumption was 20.6MB. Max. memory is 16.1GB. * TraceAbstraction took 105.66ms. Allocated memory is still 92.3MB. Free memory was 63.1MB in the beginning and 52.6MB in the end (delta: 10.5MB). 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 01:51:00,721 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/mix021.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 576d0750cd121d18ae295ddde1dd1649436f79f5ff3834655e4b6c15fd1260db --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 01:51:02,636 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-30 01:51:02,638 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-30 01:51:02,676 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-30 01:51:02,678 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-30 01:51:02,681 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-30 01:51:02,686 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-30 01:51:02,689 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-30 01:51:02,692 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-30 01:51:02,696 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-30 01:51:02,698 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-30 01:51:02,700 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-30 01:51:02,700 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-30 01:51:02,703 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-30 01:51:02,705 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-30 01:51:02,709 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-30 01:51:02,710 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-30 01:51:02,711 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-30 01:51:02,713 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-30 01:51:02,717 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-30 01:51:02,726 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-30 01:51:02,727 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-30 01:51:02,728 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-30 01:51:02,729 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-30 01:51:02,736 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-30 01:51:02,737 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-30 01:51:02,737 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-30 01:51:02,739 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-30 01:51:02,740 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-30 01:51:02,741 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-30 01:51:02,741 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-30 01:51:02,747 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-30 01:51:02,749 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-30 01:51:02,750 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-30 01:51:02,751 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-30 01:51:02,751 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-30 01:51:02,751 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-30 01:51:02,752 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-30 01:51:02,752 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-30 01:51:02,753 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-30 01:51:02,753 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-30 01:51:02,755 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2023-08-30 01:51:02,779 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-30 01:51:02,780 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-30 01:51:02,781 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-30 01:51:02,781 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-30 01:51:02,782 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-30 01:51:02,782 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-30 01:51:02,783 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-30 01:51:02,783 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-30 01:51:02,783 INFO L138 SettingsManager]: * Use SBE=true [2023-08-30 01:51:02,783 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-30 01:51:02,784 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-30 01:51:02,784 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-30 01:51:02,785 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-30 01:51:02,785 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-30 01:51:02,785 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-30 01:51:02,785 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-08-30 01:51:02,785 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2023-08-30 01:51:02,786 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-08-30 01:51:02,786 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-30 01:51:02,786 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-08-30 01:51:02,786 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2023-08-30 01:51:02,786 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-08-30 01:51:02,787 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-30 01:51:02,787 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-30 01:51:02,787 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-30 01:51:02,787 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-30 01:51:02,787 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-30 01:51:02,788 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 01:51:02,788 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-30 01:51:02,788 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-30 01:51:02,788 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2023-08-30 01:51:02,788 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-08-30 01:51:02,789 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-30 01:51:02,789 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-30 01:51:02,789 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-30 01:51:02,789 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2023-08-30 01:51:02,789 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-30 01:51:02,790 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 576d0750cd121d18ae295ddde1dd1649436f79f5ff3834655e4b6c15fd1260db Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> DEFORE [2023-08-30 01:51:03,078 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-30 01:51:03,103 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-30 01:51:03,105 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-30 01:51:03,106 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-30 01:51:03,106 INFO L275 PluginConnector]: CDTParser initialized [2023-08-30 01:51:03,107 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix021.opt.i [2023-08-30 01:51:04,242 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-30 01:51:04,517 INFO L351 CDTParser]: Found 1 translation units. [2023-08-30 01:51:04,518 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix021.opt.i [2023-08-30 01:51:04,532 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/672a55656/b77527ed9fa344e38c3b6a8fa9914946/FLAGe428e7451 [2023-08-30 01:51:04,547 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/672a55656/b77527ed9fa344e38c3b6a8fa9914946 [2023-08-30 01:51:04,550 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-30 01:51:04,551 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-30 01:51:04,552 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-30 01:51:04,553 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-30 01:51:04,555 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-30 01:51:04,556 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 01:51:04" (1/1) ... [2023-08-30 01:51:04,557 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ed682af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:51:04, skipping insertion in model container [2023-08-30 01:51:04,557 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 01:51:04" (1/1) ... [2023-08-30 01:51:04,563 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-30 01:51:04,593 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-30 01:51:04,740 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/mix021.opt.i[944,957] [2023-08-30 01:51:04,986 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 01:51:05,003 INFO L203 MainTranslator]: Completed pre-run [2023-08-30 01:51:05,014 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/mix021.opt.i[944,957] [2023-08-30 01:51:05,070 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 01:51:05,112 WARN L667 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 01:51:05,113 WARN L667 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 01:51:05,119 INFO L208 MainTranslator]: Completed translation [2023-08-30 01:51:05,119 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:51:05 WrapperNode [2023-08-30 01:51:05,119 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-30 01:51:05,120 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-30 01:51:05,121 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-30 01:51:05,121 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-30 01:51:05,127 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:51:05" (1/1) ... [2023-08-30 01:51:05,165 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:51:05" (1/1) ... [2023-08-30 01:51:05,206 INFO L138 Inliner]: procedures = 180, calls = 69, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 165 [2023-08-30 01:51:05,209 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-30 01:51:05,211 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-30 01:51:05,211 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-30 01:51:05,212 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-30 01:51:05,219 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:51:05" (1/1) ... [2023-08-30 01:51:05,220 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:51:05" (1/1) ... [2023-08-30 01:51:05,234 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:51:05" (1/1) ... [2023-08-30 01:51:05,235 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:51:05" (1/1) ... [2023-08-30 01:51:05,247 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:51:05" (1/1) ... [2023-08-30 01:51:05,262 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:51:05" (1/1) ... [2023-08-30 01:51:05,264 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:51:05" (1/1) ... [2023-08-30 01:51:05,266 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:51:05" (1/1) ... [2023-08-30 01:51:05,268 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-30 01:51:05,274 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-30 01:51:05,275 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-30 01:51:05,275 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-30 01:51:05,276 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:51:05" (1/1) ... [2023-08-30 01:51:05,281 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 01:51:05,292 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-30 01:51:05,303 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 01:51:05,326 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 01:51:05,349 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-08-30 01:51:05,349 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-30 01:51:05,349 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-30 01:51:05,350 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-30 01:51:05,350 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-08-30 01:51:05,350 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-08-30 01:51:05,350 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2023-08-30 01:51:05,350 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2023-08-30 01:51:05,351 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2023-08-30 01:51:05,351 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2023-08-30 01:51:05,351 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2023-08-30 01:51:05,351 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2023-08-30 01:51:05,351 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2023-08-30 01:51:05,351 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2023-08-30 01:51:05,352 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-08-30 01:51:05,352 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-30 01:51:05,352 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-30 01:51:05,353 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 01:51:05,560 INFO L236 CfgBuilder]: Building ICFG [2023-08-30 01:51:05,562 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-30 01:51:05,935 INFO L277 CfgBuilder]: Performing block encoding [2023-08-30 01:51:06,089 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-30 01:51:06,095 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-08-30 01:51:06,098 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 01:51:06 BoogieIcfgContainer [2023-08-30 01:51:06,099 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-30 01:51:06,102 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-30 01:51:06,102 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-30 01:51:06,105 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-30 01:51:06,105 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.08 01:51:04" (1/3) ... [2023-08-30 01:51:06,106 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5fd7d9ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 01:51:06, skipping insertion in model container [2023-08-30 01:51:06,106 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:51:05" (2/3) ... [2023-08-30 01:51:06,107 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5fd7d9ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 01:51:06, skipping insertion in model container [2023-08-30 01:51:06,107 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 01:51:06" (3/3) ... [2023-08-30 01:51:06,109 INFO L112 eAbstractionObserver]: Analyzing ICFG mix021.opt.i [2023-08-30 01:51:06,125 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-30 01:51:06,125 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 11 error locations. [2023-08-30 01:51:06,127 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-30 01:51:06,203 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-08-30 01:51:06,210 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 01:51:06,216 INFO L158 Benchmark]: Toolchain (without parser) took 1663.46ms. Allocated memory was 71.3MB in the beginning and 86.0MB in the end (delta: 14.7MB). Free memory was 45.1MB in the beginning and 48.3MB in the end (delta: -3.3MB). Peak memory consumption was 11.0MB. Max. memory is 16.1GB. [2023-08-30 01:51:06,216 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 58.7MB. Free memory was 36.6MB in the beginning and 36.5MB in the end (delta: 98.0kB). There was no memory consumed. Max. memory is 16.1GB. [2023-08-30 01:51:06,217 INFO L158 Benchmark]: CACSL2BoogieTranslator took 567.34ms. Allocated memory is still 71.3MB. Free memory was 44.9MB in the beginning and 37.6MB in the end (delta: 7.2MB). Peak memory consumption was 13.6MB. Max. memory is 16.1GB. [2023-08-30 01:51:06,218 INFO L158 Benchmark]: Boogie Procedure Inliner took 89.54ms. Allocated memory is still 71.3MB. Free memory was 37.6MB in the beginning and 34.8MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-08-30 01:51:06,218 INFO L158 Benchmark]: Boogie Preprocessor took 62.78ms. Allocated memory is still 71.3MB. Free memory was 34.8MB in the beginning and 32.4MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-30 01:51:06,219 INFO L158 Benchmark]: RCFGBuilder took 824.18ms. Allocated memory was 71.3MB in the beginning and 86.0MB in the end (delta: 14.7MB). Free memory was 32.4MB in the beginning and 62.4MB in the end (delta: -29.9MB). Peak memory consumption was 10.0MB. Max. memory is 16.1GB. [2023-08-30 01:51:06,220 INFO L158 Benchmark]: TraceAbstraction took 112.35ms. Allocated memory is still 86.0MB. Free memory was 61.9MB in the beginning and 48.3MB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-08-30 01:51:06,228 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 58.7MB. Free memory was 36.6MB in the beginning and 36.5MB in the end (delta: 98.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 567.34ms. Allocated memory is still 71.3MB. Free memory was 44.9MB in the beginning and 37.6MB in the end (delta: 7.2MB). Peak memory consumption was 13.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 89.54ms. Allocated memory is still 71.3MB. Free memory was 37.6MB in the beginning and 34.8MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 62.78ms. Allocated memory is still 71.3MB. Free memory was 34.8MB in the beginning and 32.4MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 824.18ms. Allocated memory was 71.3MB in the beginning and 86.0MB in the end (delta: 14.7MB). Free memory was 32.4MB in the beginning and 62.4MB in the end (delta: -29.9MB). Peak memory consumption was 10.0MB. Max. memory is 16.1GB. * TraceAbstraction took 112.35ms. Allocated memory is still 86.0MB. Free memory was 61.9MB in the beginning and 48.3MB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. 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 01:51:06,255 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