./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/valid-memsafety.prp --file ../../../trunk/examples/svcomp/weaver/test-semi1.wvr.c --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/weaver/test-semi1.wvr.c -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 e1fb758430fdab5e598998cc874ea93afa2de5f622c2b42d836b77952562e01f --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 02:05:51,583 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-30 02:05:51,585 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-30 02:05:51,629 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-30 02:05:51,629 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-30 02:05:51,633 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-30 02:05:51,635 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-30 02:05:51,638 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-30 02:05:51,640 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-30 02:05:51,644 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-30 02:05:51,645 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-30 02:05:51,648 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-30 02:05:51,648 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-30 02:05:51,650 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-30 02:05:51,651 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-30 02:05:51,656 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-30 02:05:51,657 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-30 02:05:51,658 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-30 02:05:51,660 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-30 02:05:51,665 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-30 02:05:51,666 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-30 02:05:51,672 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-30 02:05:51,674 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-30 02:05:51,674 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-30 02:05:51,681 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-30 02:05:51,682 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-30 02:05:51,682 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-30 02:05:51,684 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-30 02:05:51,684 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-30 02:05:51,685 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-30 02:05:51,685 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-30 02:05:51,686 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-30 02:05:51,688 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-30 02:05:51,689 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-30 02:05:51,689 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-30 02:05:51,690 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-30 02:05:51,690 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-30 02:05:51,690 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-30 02:05:51,691 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-30 02:05:51,691 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-30 02:05:51,692 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-30 02:05:51,694 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2023-08-30 02:05:51,727 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-30 02:05:51,727 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-30 02:05:51,728 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-30 02:05:51,728 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-30 02:05:51,729 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-30 02:05:51,729 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-30 02:05:51,730 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-30 02:05:51,730 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-30 02:05:51,731 INFO L138 SettingsManager]: * Use SBE=true [2023-08-30 02:05:51,731 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-30 02:05:51,732 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-30 02:05:51,732 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-30 02:05:51,732 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-30 02:05:51,732 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-30 02:05:51,732 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-30 02:05:51,733 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-08-30 02:05:51,733 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2023-08-30 02:05:51,733 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-08-30 02:05:51,733 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-30 02:05:51,733 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-08-30 02:05:51,733 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-30 02:05:51,734 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-30 02:05:51,734 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-30 02:05:51,734 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-30 02:05:51,734 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-30 02:05:51,734 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 02:05:51,735 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-30 02:05:51,735 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-30 02:05:51,735 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-30 02:05:51,735 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-30 02:05:51,735 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-30 02:05:51,736 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-30 02:05:51,736 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-30 02:05:51,736 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-30 02:05:51,736 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e1fb758430fdab5e598998cc874ea93afa2de5f622c2b42d836b77952562e01f Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> DEFORE [2023-08-30 02:05:52,021 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-30 02:05:52,042 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-30 02:05:52,044 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-30 02:05:52,045 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-30 02:05:52,046 INFO L275 PluginConnector]: CDTParser initialized [2023-08-30 02:05:52,048 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/test-semi1.wvr.c [2023-08-30 02:05:53,326 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-30 02:05:53,547 INFO L351 CDTParser]: Found 1 translation units. [2023-08-30 02:05:53,548 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/test-semi1.wvr.c [2023-08-30 02:05:53,555 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/afe2e6d27/e46f3745660644a3b25dd0664f015ead/FLAG51ad2968c [2023-08-30 02:05:53,577 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/afe2e6d27/e46f3745660644a3b25dd0664f015ead [2023-08-30 02:05:53,579 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-30 02:05:53,580 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-30 02:05:53,581 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-30 02:05:53,582 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-30 02:05:53,584 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-30 02:05:53,585 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 02:05:53" (1/1) ... [2023-08-30 02:05:53,586 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10648e95 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:05:53, skipping insertion in model container [2023-08-30 02:05:53,586 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 02:05:53" (1/1) ... [2023-08-30 02:05:53,592 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-30 02:05:53,606 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-30 02:05:53,733 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/test-semi1.wvr.c[1979,1992] [2023-08-30 02:05:53,736 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 02:05:53,744 INFO L203 MainTranslator]: Completed pre-run [2023-08-30 02:05:53,759 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/test-semi1.wvr.c[1979,1992] [2023-08-30 02:05:53,760 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 02:05:53,767 WARN L667 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 02:05:53,768 WARN L667 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 02:05:53,774 INFO L208 MainTranslator]: Completed translation [2023-08-30 02:05:53,774 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:05:53 WrapperNode [2023-08-30 02:05:53,774 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-30 02:05:53,776 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-30 02:05:53,776 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-30 02:05:53,776 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-30 02:05:53,782 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:05:53" (1/1) ... [2023-08-30 02:05:53,789 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:05:53" (1/1) ... [2023-08-30 02:05:53,806 INFO L138 Inliner]: procedures = 21, calls = 26, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 73 [2023-08-30 02:05:53,806 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-30 02:05:53,807 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-30 02:05:53,807 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-30 02:05:53,807 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-30 02:05:53,815 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:05:53" (1/1) ... [2023-08-30 02:05:53,815 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:05:53" (1/1) ... [2023-08-30 02:05:53,817 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:05:53" (1/1) ... [2023-08-30 02:05:53,817 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:05:53" (1/1) ... [2023-08-30 02:05:53,821 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:05:53" (1/1) ... [2023-08-30 02:05:53,823 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:05:53" (1/1) ... [2023-08-30 02:05:53,824 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:05:53" (1/1) ... [2023-08-30 02:05:53,824 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:05:53" (1/1) ... [2023-08-30 02:05:53,827 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-30 02:05:53,828 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-30 02:05:53,830 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-30 02:05:53,830 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-30 02:05:53,831 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:05:53" (1/1) ... [2023-08-30 02:05:53,837 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 02:05:53,847 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-30 02:05:53,866 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 02:05:53,876 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 02:05:53,905 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-30 02:05:53,905 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-08-30 02:05:53,905 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-08-30 02:05:53,906 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-08-30 02:05:53,906 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-08-30 02:05:53,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-30 02:05:53,906 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-30 02:05:53,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-30 02:05:53,906 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-08-30 02:05:53,907 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-08-30 02:05:53,907 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-30 02:05:53,907 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-30 02:05:53,907 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-30 02:05:53,908 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-30 02:05:53,909 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 02:05:54,009 INFO L236 CfgBuilder]: Building ICFG [2023-08-30 02:05:54,011 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-30 02:05:54,239 INFO L277 CfgBuilder]: Performing block encoding [2023-08-30 02:05:54,280 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-30 02:05:54,280 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-08-30 02:05:54,282 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 02:05:54 BoogieIcfgContainer [2023-08-30 02:05:54,282 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-30 02:05:54,284 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-30 02:05:54,284 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-30 02:05:54,291 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-30 02:05:54,291 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.08 02:05:53" (1/3) ... [2023-08-30 02:05:54,292 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3476e183 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 02:05:54, skipping insertion in model container [2023-08-30 02:05:54,292 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:05:53" (2/3) ... [2023-08-30 02:05:54,292 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3476e183 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 02:05:54, skipping insertion in model container [2023-08-30 02:05:54,293 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 02:05:54" (3/3) ... [2023-08-30 02:05:54,294 INFO L112 eAbstractionObserver]: Analyzing ICFG test-semi1.wvr.c [2023-08-30 02:05:54,307 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-30 02:05:54,307 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 10 error locations. [2023-08-30 02:05:54,307 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-30 02:05:54,373 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-08-30 02:05:54,383 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 02:05:54,388 INFO L158 Benchmark]: Toolchain (without parser) took 807.01ms. Allocated memory is still 88.1MB. Free memory was 65.9MB in the beginning and 53.5MB in the end (delta: 12.4MB). Peak memory consumption was 14.6MB. Max. memory is 16.1GB. [2023-08-30 02:05:54,389 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 71.3MB. Free memory is still 49.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-08-30 02:05:54,390 INFO L158 Benchmark]: CACSL2BoogieTranslator took 193.38ms. Allocated memory is still 88.1MB. Free memory was 65.7MB in the beginning and 55.2MB in the end (delta: 10.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-08-30 02:05:54,391 INFO L158 Benchmark]: Boogie Procedure Inliner took 30.91ms. Allocated memory is still 88.1MB. Free memory was 55.2MB in the beginning and 53.6MB in the end (delta: 1.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-08-30 02:05:54,391 INFO L158 Benchmark]: Boogie Preprocessor took 20.20ms. Allocated memory is still 88.1MB. Free memory was 53.3MB in the beginning and 52.3MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-08-30 02:05:54,392 INFO L158 Benchmark]: RCFGBuilder took 454.75ms. Allocated memory is still 88.1MB. Free memory was 52.3MB in the beginning and 60.5MB in the end (delta: -8.2MB). Peak memory consumption was 12.5MB. Max. memory is 16.1GB. [2023-08-30 02:05:54,393 INFO L158 Benchmark]: TraceAbstraction took 102.56ms. Allocated memory is still 88.1MB. Free memory was 59.5MB in the beginning and 53.5MB in the end (delta: 6.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-08-30 02:05:54,400 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 71.3MB. Free memory is still 49.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 193.38ms. Allocated memory is still 88.1MB. Free memory was 65.7MB in the beginning and 55.2MB in the end (delta: 10.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 30.91ms. Allocated memory is still 88.1MB. Free memory was 55.2MB in the beginning and 53.6MB in the end (delta: 1.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 20.20ms. Allocated memory is still 88.1MB. Free memory was 53.3MB in the beginning and 52.3MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 454.75ms. Allocated memory is still 88.1MB. Free memory was 52.3MB in the beginning and 60.5MB in the end (delta: -8.2MB). Peak memory consumption was 12.5MB. Max. memory is 16.1GB. * TraceAbstraction took 102.56ms. Allocated memory is still 88.1MB. Free memory was 59.5MB in the beginning and 53.5MB in the end (delta: 6.0MB). Peak memory consumption was 6.3MB. 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 02:05:54,426 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/weaver/test-semi1.wvr.c -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 e1fb758430fdab5e598998cc874ea93afa2de5f622c2b42d836b77952562e01f --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 02:05:56,354 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-30 02:05:56,356 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-30 02:05:56,387 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-30 02:05:56,389 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-30 02:05:56,392 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-30 02:05:56,394 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-30 02:05:56,396 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-30 02:05:56,398 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-30 02:05:56,402 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-30 02:05:56,403 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-30 02:05:56,406 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-30 02:05:56,406 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-30 02:05:56,408 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-30 02:05:56,409 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-30 02:05:56,414 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-30 02:05:56,415 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-30 02:05:56,416 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-30 02:05:56,418 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-30 02:05:56,421 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-30 02:05:56,428 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-30 02:05:56,429 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-30 02:05:56,430 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-30 02:05:56,431 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-30 02:05:56,436 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-30 02:05:56,437 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-30 02:05:56,437 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-30 02:05:56,438 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-30 02:05:56,438 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-30 02:05:56,439 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-30 02:05:56,439 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-30 02:05:56,440 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-30 02:05:56,441 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-30 02:05:56,441 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-30 02:05:56,442 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-30 02:05:56,442 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-30 02:05:56,443 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-30 02:05:56,443 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-30 02:05:56,444 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-30 02:05:56,444 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-30 02:05:56,445 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-30 02:05:56,451 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2023-08-30 02:05:56,490 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-30 02:05:56,490 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-30 02:05:56,491 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-30 02:05:56,491 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-30 02:05:56,492 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-30 02:05:56,492 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-30 02:05:56,493 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-30 02:05:56,493 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-30 02:05:56,493 INFO L138 SettingsManager]: * Use SBE=true [2023-08-30 02:05:56,493 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-30 02:05:56,494 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-30 02:05:56,494 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-30 02:05:56,495 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-30 02:05:56,495 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-30 02:05:56,495 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-30 02:05:56,495 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-08-30 02:05:56,495 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2023-08-30 02:05:56,495 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-08-30 02:05:56,496 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-30 02:05:56,496 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-08-30 02:05:56,496 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2023-08-30 02:05:56,496 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-08-30 02:05:56,496 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-30 02:05:56,497 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-30 02:05:56,497 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-30 02:05:56,497 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-30 02:05:56,497 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-30 02:05:56,497 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 02:05:56,498 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-30 02:05:56,498 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-30 02:05:56,498 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2023-08-30 02:05:56,498 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-08-30 02:05:56,499 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-30 02:05:56,499 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-30 02:05:56,499 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-30 02:05:56,499 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2023-08-30 02:05:56,499 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-30 02:05:56,499 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e1fb758430fdab5e598998cc874ea93afa2de5f622c2b42d836b77952562e01f Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> DEFORE [2023-08-30 02:05:56,798 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-30 02:05:56,814 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-30 02:05:56,817 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-30 02:05:56,817 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-30 02:05:56,819 INFO L275 PluginConnector]: CDTParser initialized [2023-08-30 02:05:56,820 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/test-semi1.wvr.c [2023-08-30 02:05:57,931 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-30 02:05:58,133 INFO L351 CDTParser]: Found 1 translation units. [2023-08-30 02:05:58,133 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/test-semi1.wvr.c [2023-08-30 02:05:58,147 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9128a2fd4/85a37e3aeb2d4d468f178133d8fb3797/FLAG4dafb167f [2023-08-30 02:05:58,171 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9128a2fd4/85a37e3aeb2d4d468f178133d8fb3797 [2023-08-30 02:05:58,174 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-30 02:05:58,175 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-30 02:05:58,178 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-30 02:05:58,178 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-30 02:05:58,181 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-30 02:05:58,182 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 02:05:58" (1/1) ... [2023-08-30 02:05:58,183 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7538cc2d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:05:58, skipping insertion in model container [2023-08-30 02:05:58,183 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 02:05:58" (1/1) ... [2023-08-30 02:05:58,189 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-30 02:05:58,204 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-30 02:05:58,330 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/test-semi1.wvr.c[1979,1992] [2023-08-30 02:05:58,333 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 02:05:58,344 INFO L203 MainTranslator]: Completed pre-run [2023-08-30 02:05:58,358 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/test-semi1.wvr.c[1979,1992] [2023-08-30 02:05:58,359 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 02:05:58,367 WARN L667 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 02:05:58,367 WARN L667 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 02:05:58,373 INFO L208 MainTranslator]: Completed translation [2023-08-30 02:05:58,374 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:05:58 WrapperNode [2023-08-30 02:05:58,374 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-30 02:05:58,375 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-30 02:05:58,376 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-30 02:05:58,376 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-30 02:05:58,382 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:05:58" (1/1) ... [2023-08-30 02:05:58,392 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:05:58" (1/1) ... [2023-08-30 02:05:58,411 INFO L138 Inliner]: procedures = 23, calls = 26, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 71 [2023-08-30 02:05:58,411 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-30 02:05:58,412 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-30 02:05:58,412 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-30 02:05:58,412 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-30 02:05:58,419 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:05:58" (1/1) ... [2023-08-30 02:05:58,420 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:05:58" (1/1) ... [2023-08-30 02:05:58,429 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:05:58" (1/1) ... [2023-08-30 02:05:58,430 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:05:58" (1/1) ... [2023-08-30 02:05:58,446 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:05:58" (1/1) ... [2023-08-30 02:05:58,448 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:05:58" (1/1) ... [2023-08-30 02:05:58,449 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:05:58" (1/1) ... [2023-08-30 02:05:58,450 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:05:58" (1/1) ... [2023-08-30 02:05:58,461 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-30 02:05:58,464 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-30 02:05:58,464 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-30 02:05:58,464 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-30 02:05:58,464 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:05:58" (1/1) ... [2023-08-30 02:05:58,470 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 02:05:58,480 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-30 02:05:58,491 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 02:05:58,500 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 02:05:58,526 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-30 02:05:58,526 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-08-30 02:05:58,526 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-08-30 02:05:58,526 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-08-30 02:05:58,526 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-08-30 02:05:58,526 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-08-30 02:05:58,526 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-30 02:05:58,526 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-08-30 02:05:58,527 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-08-30 02:05:58,527 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-08-30 02:05:58,527 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-30 02:05:58,527 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-30 02:05:58,527 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-30 02:05:58,527 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-08-30 02:05:58,528 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 02:05:58,632 INFO L236 CfgBuilder]: Building ICFG [2023-08-30 02:05:58,633 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-30 02:05:58,914 INFO L277 CfgBuilder]: Performing block encoding [2023-08-30 02:05:58,969 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-30 02:05:58,976 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-08-30 02:05:58,978 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 02:05:58 BoogieIcfgContainer [2023-08-30 02:05:58,979 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-30 02:05:58,981 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-30 02:05:58,981 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-30 02:05:58,984 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-30 02:05:58,985 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.08 02:05:58" (1/3) ... [2023-08-30 02:05:58,985 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1be86b60 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 02:05:58, skipping insertion in model container [2023-08-30 02:05:58,985 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:05:58" (2/3) ... [2023-08-30 02:05:58,986 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1be86b60 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 02:05:58, skipping insertion in model container [2023-08-30 02:05:58,986 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 02:05:58" (3/3) ... [2023-08-30 02:05:58,987 INFO L112 eAbstractionObserver]: Analyzing ICFG test-semi1.wvr.c [2023-08-30 02:05:59,004 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-30 02:05:59,004 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 10 error locations. [2023-08-30 02:05:59,004 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-30 02:05:59,091 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-08-30 02:05:59,101 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 02:05:59,107 INFO L158 Benchmark]: Toolchain (without parser) took 930.69ms. Allocated memory is still 77.6MB. Free memory was 56.9MB in the beginning and 36.8MB in the end (delta: 20.1MB). Peak memory consumption was 18.5MB. Max. memory is 16.1GB. [2023-08-30 02:05:59,107 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 62.9MB. Free memory is still 40.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-08-30 02:05:59,108 INFO L158 Benchmark]: CACSL2BoogieTranslator took 196.87ms. Allocated memory is still 77.6MB. Free memory was 56.9MB in the beginning and 45.8MB in the end (delta: 11.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-08-30 02:05:59,109 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.85ms. Allocated memory is still 77.6MB. Free memory was 45.8MB in the beginning and 43.6MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-30 02:05:59,110 INFO L158 Benchmark]: Boogie Preprocessor took 49.01ms. Allocated memory is still 77.6MB. Free memory was 43.6MB in the beginning and 42.3MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-30 02:05:59,111 INFO L158 Benchmark]: RCFGBuilder took 515.25ms. Allocated memory is still 77.6MB. Free memory was 42.3MB in the beginning and 44.8MB in the end (delta: -2.6MB). Peak memory consumption was 5.9MB. Max. memory is 16.1GB. [2023-08-30 02:05:59,111 INFO L158 Benchmark]: TraceAbstraction took 124.64ms. Allocated memory is still 77.6MB. Free memory was 44.1MB in the beginning and 37.1MB in the end (delta: 7.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-08-30 02:05:59,118 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 62.9MB. Free memory is still 40.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 196.87ms. Allocated memory is still 77.6MB. Free memory was 56.9MB in the beginning and 45.8MB in the end (delta: 11.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.85ms. Allocated memory is still 77.6MB. Free memory was 45.8MB in the beginning and 43.6MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 49.01ms. Allocated memory is still 77.6MB. Free memory was 43.6MB in the beginning and 42.3MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 515.25ms. Allocated memory is still 77.6MB. Free memory was 42.3MB in the beginning and 44.8MB in the end (delta: -2.6MB). Peak memory consumption was 5.9MB. Max. memory is 16.1GB. * TraceAbstraction took 124.64ms. Allocated memory is still 77.6MB. Free memory was 44.1MB in the beginning and 37.1MB in the end (delta: 7.0MB). Peak memory consumption was 6.3MB. 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 02:05:59,140 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 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