./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/no-data-race.prp --file ../../../trunk/examples/svcomp/weaver/parallel-simple-equiv.wvr.c --full-output --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations DEFORE --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version b8dbc81d Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../../../trunk/examples/svcomp/weaver/parallel-simple-equiv.wvr.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-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 ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6e064514c886eab27bff1253cfa87b1ac324d3dc8890599c3d4384e987c0d244 --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 [2023-08-29 09:13:50,953 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-29 09:13:50,955 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-29 09:13:50,991 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-29 09:13:50,991 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-29 09:13:50,993 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-29 09:13:50,995 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-29 09:13:50,997 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-29 09:13:50,998 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-29 09:13:51,003 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-29 09:13:51,004 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-29 09:13:51,006 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-29 09:13:51,006 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-29 09:13:51,008 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-29 09:13:51,008 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-29 09:13:51,014 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-29 09:13:51,014 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-29 09:13:51,015 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-29 09:13:51,016 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-29 09:13:51,018 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-29 09:13:51,019 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-29 09:13:51,022 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-29 09:13:51,024 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-29 09:13:51,024 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-29 09:13:51,026 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-29 09:13:51,029 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-29 09:13:51,029 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-29 09:13:51,030 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-29 09:13:51,031 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-29 09:13:51,031 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-29 09:13:51,032 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-29 09:13:51,032 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-29 09:13:51,033 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-29 09:13:51,034 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-29 09:13:51,035 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-29 09:13:51,035 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-29 09:13:51,036 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-29 09:13:51,036 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-29 09:13:51,036 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-29 09:13:51,037 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-29 09:13:51,041 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-29 09:13:51,042 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-08-29 09:13:51,065 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-29 09:13:51,065 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-29 09:13:51,066 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-29 09:13:51,066 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-29 09:13:51,066 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-29 09:13:51,067 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-29 09:13:51,067 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-29 09:13:51,067 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-29 09:13:51,067 INFO L138 SettingsManager]: * Use SBE=true [2023-08-29 09:13:51,067 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-29 09:13:51,068 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-29 09:13:51,068 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-29 09:13:51,068 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-29 09:13:51,068 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-29 09:13:51,069 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-29 09:13:51,069 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-29 09:13:51,069 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-29 09:13:51,069 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-29 09:13:51,069 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-08-29 09:13:51,069 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-29 09:13:51,069 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-29 09:13:51,069 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-29 09:13:51,070 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-29 09:13:51,070 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-29 09:13:51,070 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-29 09:13:51,070 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-29 09:13:51,070 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 09:13:51,070 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-29 09:13:51,070 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-29 09:13:51,071 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-29 09:13:51,071 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-29 09:13:51,071 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-29 09:13:51,071 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-29 09:13:51,071 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-29 09:13:51,071 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-29 09:13:51,071 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-29 09:13:51,072 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-29 09:13:51,072 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6e064514c886eab27bff1253cfa87b1ac324d3dc8890599c3d4384e987c0d244 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> DEFORE [2023-08-29 09:13:51,292 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-29 09:13:51,313 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-29 09:13:51,315 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-29 09:13:51,316 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-29 09:13:51,316 INFO L275 PluginConnector]: CDTParser initialized [2023-08-29 09:13:51,317 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/parallel-simple-equiv.wvr.c [2023-08-29 09:13:52,421 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-29 09:13:52,602 INFO L351 CDTParser]: Found 1 translation units. [2023-08-29 09:13:52,602 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-simple-equiv.wvr.c [2023-08-29 09:13:52,607 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9db48d1fe/a691d93133a84991bc1d9a6398c3ed15/FLAG4e9c4597a [2023-08-29 09:13:52,616 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9db48d1fe/a691d93133a84991bc1d9a6398c3ed15 [2023-08-29 09:13:52,617 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-29 09:13:52,618 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-29 09:13:52,619 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-29 09:13:52,619 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-29 09:13:52,621 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-29 09:13:52,622 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 09:13:52" (1/1) ... [2023-08-29 09:13:52,622 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@931257c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:13:52, skipping insertion in model container [2023-08-29 09:13:52,622 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 09:13:52" (1/1) ... [2023-08-29 09:13:52,626 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-29 09:13:52,636 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-29 09:13:52,725 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-simple-equiv.wvr.c[2212,2225] [2023-08-29 09:13:52,726 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 09:13:52,732 INFO L203 MainTranslator]: Completed pre-run [2023-08-29 09:13:52,745 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-simple-equiv.wvr.c[2212,2225] [2023-08-29 09:13:52,746 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 09:13:52,754 WARN L667 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-08-29 09:13:52,754 WARN L667 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-08-29 09:13:52,759 INFO L208 MainTranslator]: Completed translation [2023-08-29 09:13:52,759 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:13:52 WrapperNode [2023-08-29 09:13:52,759 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-29 09:13:52,760 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-29 09:13:52,760 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-29 09:13:52,760 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-29 09:13:52,764 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:13:52" (1/1) ... [2023-08-29 09:13:52,769 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:13:52" (1/1) ... [2023-08-29 09:13:52,782 INFO L138 Inliner]: procedures = 22, calls = 30, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 109 [2023-08-29 09:13:52,782 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-29 09:13:52,782 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-29 09:13:52,783 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-29 09:13:52,783 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-29 09:13:52,788 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:13:52" (1/1) ... [2023-08-29 09:13:52,788 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:13:52" (1/1) ... [2023-08-29 09:13:52,796 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:13:52" (1/1) ... [2023-08-29 09:13:52,797 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:13:52" (1/1) ... [2023-08-29 09:13:52,806 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:13:52" (1/1) ... [2023-08-29 09:13:52,808 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:13:52" (1/1) ... [2023-08-29 09:13:52,811 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:13:52" (1/1) ... [2023-08-29 09:13:52,811 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:13:52" (1/1) ... [2023-08-29 09:13:52,818 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-29 09:13:52,819 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-29 09:13:52,819 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-29 09:13:52,819 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-29 09:13:52,819 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:13:52" (1/1) ... [2023-08-29 09:13:52,825 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 09:13:52,834 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-29 09:13:52,842 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) [2023-08-29 09:13:52,853 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 [2023-08-29 09:13:52,867 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-29 09:13:52,868 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-08-29 09:13:52,868 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-08-29 09:13:52,868 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-08-29 09:13:52,868 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-08-29 09:13:52,869 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-08-29 09:13:52,869 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-08-29 09:13:52,869 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-29 09:13:52,869 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-29 09:13:52,869 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-29 09:13:52,869 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-08-29 09:13:52,869 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-08-29 09:13:52,870 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-29 09:13:52,870 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-29 09:13:52,870 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-29 09:13:52,870 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-29 09:13:52,871 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-08-29 09:13:52,957 INFO L236 CfgBuilder]: Building ICFG [2023-08-29 09:13:52,958 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-29 09:13:53,272 INFO L277 CfgBuilder]: Performing block encoding [2023-08-29 09:13:53,305 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-29 09:13:53,305 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-08-29 09:13:53,307 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 09:13:53 BoogieIcfgContainer [2023-08-29 09:13:53,307 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-29 09:13:53,309 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-29 09:13:53,309 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-29 09:13:53,311 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-29 09:13:53,311 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.08 09:13:52" (1/3) ... [2023-08-29 09:13:53,312 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@731fe2da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 09:13:53, skipping insertion in model container [2023-08-29 09:13:53,312 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:13:52" (2/3) ... [2023-08-29 09:13:53,312 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@731fe2da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 09:13:53, skipping insertion in model container [2023-08-29 09:13:53,312 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 09:13:53" (3/3) ... [2023-08-29 09:13:53,313 INFO L112 eAbstractionObserver]: Analyzing ICFG parallel-simple-equiv.wvr.c [2023-08-29 09:13:53,319 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-29 09:13:53,326 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-29 09:13:53,327 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 22 error locations. [2023-08-29 09:13:53,327 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-29 09:13:53,388 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2023-08-29 09:13:53,403 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) [2023-08-29 09:13:53,408 INFO L158 Benchmark]: Toolchain (without parser) took 788.15ms. Allocated memory was 56.6MB in the beginning and 69.2MB in the end (delta: 12.6MB). Free memory was 35.3MB in the beginning and 47.4MB in the end (delta: -12.1MB). Peak memory consumption was 23.5MB. Max. memory is 16.1GB. [2023-08-29 09:13:53,409 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 46.1MB. Free memory was 24.6MB in the beginning and 24.6MB in the end (delta: 54.5kB). There was no memory consumed. Max. memory is 16.1GB. [2023-08-29 09:13:53,409 INFO L158 Benchmark]: CACSL2BoogieTranslator took 140.22ms. Allocated memory is still 56.6MB. Free memory was 35.2MB in the beginning and 37.2MB in the end (delta: -2.1MB). Peak memory consumption was 15.6MB. Max. memory is 16.1GB. [2023-08-29 09:13:53,410 INFO L158 Benchmark]: Boogie Procedure Inliner took 22.34ms. Allocated memory is still 56.6MB. Free memory was 37.2MB in the beginning and 35.4MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-29 09:13:53,410 INFO L158 Benchmark]: Boogie Preprocessor took 35.61ms. Allocated memory is still 56.6MB. Free memory was 35.4MB in the beginning and 33.9MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-29 09:13:53,411 INFO L158 Benchmark]: RCFGBuilder took 488.53ms. Allocated memory was 56.6MB in the beginning and 69.2MB in the end (delta: 12.6MB). Free memory was 33.7MB in the beginning and 39.3MB in the end (delta: -5.7MB). Peak memory consumption was 12.1MB. Max. memory is 16.1GB. [2023-08-29 09:13:53,411 INFO L158 Benchmark]: TraceAbstraction took 97.45ms. Allocated memory is still 69.2MB. Free memory was 38.5MB in the beginning and 47.4MB in the end (delta: -8.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-08-29 09:13:53,418 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 46.1MB. Free memory was 24.6MB in the beginning and 24.6MB in the end (delta: 54.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 140.22ms. Allocated memory is still 56.6MB. Free memory was 35.2MB in the beginning and 37.2MB in the end (delta: -2.1MB). Peak memory consumption was 15.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 22.34ms. Allocated memory is still 56.6MB. Free memory was 37.2MB in the beginning and 35.4MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 35.61ms. Allocated memory is still 56.6MB. Free memory was 35.4MB in the beginning and 33.9MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 488.53ms. Allocated memory was 56.6MB in the beginning and 69.2MB in the end (delta: 12.6MB). Free memory was 33.7MB in the beginning and 39.3MB in the end (delta: -5.7MB). Peak memory consumption was 12.1MB. Max. memory is 16.1GB. * TraceAbstraction took 97.45ms. Allocated memory is still 69.2MB. Free memory was 38.5MB in the beginning and 47.4MB in the end (delta: -8.9MB). 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. [2023-08-29 09:13:53,451 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../../../trunk/examples/svcomp/weaver/parallel-simple-equiv.wvr.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-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 ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6e064514c886eab27bff1253cfa87b1ac324d3dc8890599c3d4384e987c0d244 --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 [2023-08-29 09:13:55,185 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-29 09:13:55,186 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-29 09:13:55,212 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-29 09:13:55,212 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-29 09:13:55,213 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-29 09:13:55,214 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-29 09:13:55,215 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-29 09:13:55,216 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-29 09:13:55,216 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-29 09:13:55,217 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-29 09:13:55,218 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-29 09:13:55,218 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-29 09:13:55,219 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-29 09:13:55,219 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-29 09:13:55,220 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-29 09:13:55,221 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-29 09:13:55,221 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-29 09:13:55,223 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-29 09:13:55,224 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-29 09:13:55,225 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-29 09:13:55,226 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-29 09:13:55,227 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-29 09:13:55,227 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-29 09:13:55,230 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-29 09:13:55,230 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-29 09:13:55,230 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-29 09:13:55,231 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-29 09:13:55,231 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-29 09:13:55,232 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-29 09:13:55,232 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-29 09:13:55,233 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-29 09:13:55,233 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-29 09:13:55,234 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-29 09:13:55,234 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-29 09:13:55,235 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-29 09:13:55,235 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-29 09:13:55,235 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-29 09:13:55,235 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-29 09:13:55,236 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-29 09:13:55,236 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-29 09:13:55,237 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Bitvector.epf [2023-08-29 09:13:55,252 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-29 09:13:55,252 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-29 09:13:55,252 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-29 09:13:55,252 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-29 09:13:55,253 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-29 09:13:55,253 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-29 09:13:55,253 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-29 09:13:55,254 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-29 09:13:55,254 INFO L138 SettingsManager]: * Use SBE=true [2023-08-29 09:13:55,254 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-29 09:13:55,254 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-29 09:13:55,254 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-29 09:13:55,254 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-29 09:13:55,254 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-29 09:13:55,255 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-29 09:13:55,255 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-29 09:13:55,255 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-29 09:13:55,255 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-08-29 09:13:55,255 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2023-08-29 09:13:55,255 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-08-29 09:13:55,255 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-29 09:13:55,255 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-29 09:13:55,256 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-29 09:13:55,256 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-29 09:13:55,256 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-29 09:13:55,256 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-29 09:13:55,256 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-29 09:13:55,256 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 09:13:55,256 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-29 09:13:55,257 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-29 09:13:55,257 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-29 09:13:55,257 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2023-08-29 09:13:55,257 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-08-29 09:13:55,257 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-29 09:13:55,257 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-29 09:13:55,257 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-29 09:13:55,258 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-29 09:13:55,258 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2023-08-29 09:13:55,258 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-29 09:13:55,258 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6e064514c886eab27bff1253cfa87b1ac324d3dc8890599c3d4384e987c0d244 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> DEFORE [2023-08-29 09:13:55,507 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-29 09:13:55,527 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-29 09:13:55,530 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-29 09:13:55,531 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-29 09:13:55,531 INFO L275 PluginConnector]: CDTParser initialized [2023-08-29 09:13:55,532 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/parallel-simple-equiv.wvr.c [2023-08-29 09:13:56,708 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-29 09:13:56,910 INFO L351 CDTParser]: Found 1 translation units. [2023-08-29 09:13:56,911 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-simple-equiv.wvr.c [2023-08-29 09:13:56,921 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/22bd5becb/661977a42e6d48d2bf926137539313d0/FLAG7b5430d0e [2023-08-29 09:13:56,933 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/22bd5becb/661977a42e6d48d2bf926137539313d0 [2023-08-29 09:13:56,935 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-29 09:13:56,937 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-29 09:13:56,938 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-29 09:13:56,938 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-29 09:13:56,940 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-29 09:13:56,941 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 09:13:56" (1/1) ... [2023-08-29 09:13:56,944 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6062d9fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:13:56, skipping insertion in model container [2023-08-29 09:13:56,944 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 09:13:56" (1/1) ... [2023-08-29 09:13:56,948 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-29 09:13:56,961 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-29 09:13:57,090 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-simple-equiv.wvr.c[2212,2225] [2023-08-29 09:13:57,092 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 09:13:57,100 INFO L203 MainTranslator]: Completed pre-run [2023-08-29 09:13:57,130 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-simple-equiv.wvr.c[2212,2225] [2023-08-29 09:13:57,132 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 09:13:57,140 WARN L667 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-08-29 09:13:57,141 WARN L667 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-08-29 09:13:57,145 INFO L208 MainTranslator]: Completed translation [2023-08-29 09:13:57,145 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:13:57 WrapperNode [2023-08-29 09:13:57,145 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-29 09:13:57,146 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-29 09:13:57,146 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-29 09:13:57,146 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-29 09:13:57,151 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:13:57" (1/1) ... [2023-08-29 09:13:57,166 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:13:57" (1/1) ... [2023-08-29 09:13:57,191 INFO L138 Inliner]: procedures = 24, calls = 30, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 109 [2023-08-29 09:13:57,191 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-29 09:13:57,192 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-29 09:13:57,192 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-29 09:13:57,193 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-29 09:13:57,199 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:13:57" (1/1) ... [2023-08-29 09:13:57,200 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:13:57" (1/1) ... [2023-08-29 09:13:57,211 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:13:57" (1/1) ... [2023-08-29 09:13:57,212 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:13:57" (1/1) ... [2023-08-29 09:13:57,217 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:13:57" (1/1) ... [2023-08-29 09:13:57,227 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:13:57" (1/1) ... [2023-08-29 09:13:57,236 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:13:57" (1/1) ... [2023-08-29 09:13:57,237 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:13:57" (1/1) ... [2023-08-29 09:13:57,239 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-29 09:13:57,240 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-29 09:13:57,240 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-29 09:13:57,240 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-29 09:13:57,240 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:13:57" (1/1) ... [2023-08-29 09:13:57,244 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 09:13:57,277 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-29 09:13:57,294 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) [2023-08-29 09:13:57,310 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 [2023-08-29 09:13:57,350 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-29 09:13:57,350 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-08-29 09:13:57,350 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-08-29 09:13:57,350 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-08-29 09:13:57,351 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-08-29 09:13:57,351 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-08-29 09:13:57,351 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-08-29 09:13:57,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-08-29 09:13:57,351 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-29 09:13:57,351 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-08-29 09:13:57,352 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-08-29 09:13:57,352 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-08-29 09:13:57,352 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-29 09:13:57,352 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-29 09:13:57,352 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-29 09:13:57,352 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-08-29 09:13:57,353 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-08-29 09:13:57,438 INFO L236 CfgBuilder]: Building ICFG [2023-08-29 09:13:57,439 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-29 09:13:57,786 INFO L277 CfgBuilder]: Performing block encoding [2023-08-29 09:13:57,852 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-29 09:13:57,856 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-08-29 09:13:57,858 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 09:13:57 BoogieIcfgContainer [2023-08-29 09:13:57,859 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-29 09:13:57,861 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-29 09:13:57,861 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-29 09:13:57,863 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-29 09:13:57,864 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.08 09:13:56" (1/3) ... [2023-08-29 09:13:57,864 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f8c37d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 09:13:57, skipping insertion in model container [2023-08-29 09:13:57,864 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 09:13:57" (2/3) ... [2023-08-29 09:13:57,865 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f8c37d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 09:13:57, skipping insertion in model container [2023-08-29 09:13:57,865 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 09:13:57" (3/3) ... [2023-08-29 09:13:57,866 INFO L112 eAbstractionObserver]: Analyzing ICFG parallel-simple-equiv.wvr.c [2023-08-29 09:13:57,873 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-29 09:13:57,880 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-29 09:13:57,881 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 22 error locations. [2023-08-29 09:13:57,881 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-29 09:13:57,970 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2023-08-29 09:13:57,974 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) [2023-08-29 09:13:57,979 INFO L158 Benchmark]: Toolchain (without parser) took 1041.02ms. Allocated memory was 67.1MB in the beginning and 98.6MB in the end (delta: 31.5MB). Free memory was 45.3MB in the beginning and 41.6MB in the end (delta: 3.7MB). Peak memory consumption was 34.6MB. Max. memory is 16.1GB. [2023-08-29 09:13:57,979 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 67.1MB. Free memory is still 44.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-08-29 09:13:57,979 INFO L158 Benchmark]: CACSL2BoogieTranslator took 207.53ms. Allocated memory is still 67.1MB. Free memory was 45.0MB in the beginning and 33.4MB in the end (delta: 11.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-08-29 09:13:57,980 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.27ms. Allocated memory is still 67.1MB. Free memory was 33.2MB in the beginning and 31.5MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-29 09:13:57,981 INFO L158 Benchmark]: Boogie Preprocessor took 46.66ms. Allocated memory was 67.1MB in the beginning and 98.6MB in the end (delta: 31.5MB). Free memory was 31.3MB in the beginning and 78.8MB in the end (delta: -47.5MB). Peak memory consumption was 5.2MB. Max. memory is 16.1GB. [2023-08-29 09:13:57,981 INFO L158 Benchmark]: RCFGBuilder took 619.11ms. Allocated memory is still 98.6MB. Free memory was 78.8MB in the beginning and 54.2MB in the end (delta: 24.6MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2023-08-29 09:13:57,982 INFO L158 Benchmark]: TraceAbstraction took 116.36ms. Allocated memory is still 98.6MB. Free memory was 53.6MB in the beginning and 41.6MB in the end (delta: 12.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-08-29 09:13:57,988 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 67.1MB. Free memory is still 44.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 207.53ms. Allocated memory is still 67.1MB. Free memory was 45.0MB in the beginning and 33.4MB in the end (delta: 11.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.27ms. Allocated memory is still 67.1MB. Free memory was 33.2MB in the beginning and 31.5MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 46.66ms. Allocated memory was 67.1MB in the beginning and 98.6MB in the end (delta: 31.5MB). Free memory was 31.3MB in the beginning and 78.8MB in the end (delta: -47.5MB). Peak memory consumption was 5.2MB. Max. memory is 16.1GB. * RCFGBuilder took 619.11ms. Allocated memory is still 98.6MB. Free memory was 78.8MB in the beginning and 54.2MB in the end (delta: 24.6MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * TraceAbstraction took 116.36ms. Allocated memory is still 98.6MB. Free memory was 53.6MB in the beginning and 41.6MB in the end (delta: 12.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: IllegalArgumentException: No enum constant de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TraceAbstractionPreferenceInitializer.InsufficientError.DEFORE de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: IllegalArgumentException: No enum constant de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TraceAbstractionPreferenceInitializer.InsufficientError.DEFORE: java.base/java.lang.Enum.valueOf(Enum.java:240) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-08-29 09:13:58,006 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