./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/valid-memsafety.prp --file ../../../trunk/examples/svcomp/weaver/chl-sre-subst.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/chl-sre-subst.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 039f5312b62da5ff616f0ade8cc5a2dd494698e7519842b003d8d55f65a5fe6c --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 02:02:57,616 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-30 02:02:57,617 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-30 02:02:57,650 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-30 02:02:57,651 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-30 02:02:57,654 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-30 02:02:57,656 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-30 02:02:57,658 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-30 02:02:57,662 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-30 02:02:57,667 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-30 02:02:57,668 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-30 02:02:57,670 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-30 02:02:57,670 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-30 02:02:57,672 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-30 02:02:57,674 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-30 02:02:57,677 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-30 02:02:57,678 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-30 02:02:57,680 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-30 02:02:57,682 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-30 02:02:57,687 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-30 02:02:57,688 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-30 02:02:57,689 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-30 02:02:57,690 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-30 02:02:57,691 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-30 02:02:57,697 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-30 02:02:57,698 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-30 02:02:57,698 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-30 02:02:57,700 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-30 02:02:57,701 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-30 02:02:57,702 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-30 02:02:57,702 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-30 02:02:57,704 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-30 02:02:57,706 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-30 02:02:57,706 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-30 02:02:57,707 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-30 02:02:57,707 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-30 02:02:57,708 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-30 02:02:57,708 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-30 02:02:57,708 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-30 02:02:57,709 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-30 02:02:57,710 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-30 02:02:57,712 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2023-08-30 02:02:57,752 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-30 02:02:57,752 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-30 02:02:57,753 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-30 02:02:57,754 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-30 02:02:57,754 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-30 02:02:57,755 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-30 02:02:57,755 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-30 02:02:57,755 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-30 02:02:57,755 INFO L138 SettingsManager]: * Use SBE=true [2023-08-30 02:02:57,756 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-30 02:02:57,757 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-30 02:02:57,757 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-30 02:02:57,757 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-30 02:02:57,757 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-30 02:02:57,757 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-30 02:02:57,757 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-08-30 02:02:57,758 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2023-08-30 02:02:57,758 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-08-30 02:02:57,758 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-30 02:02:57,758 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-08-30 02:02:57,758 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-30 02:02:57,759 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-30 02:02:57,759 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-30 02:02:57,759 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-30 02:02:57,759 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-30 02:02:57,759 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 02:02:57,760 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-30 02:02:57,760 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-30 02:02:57,760 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-30 02:02:57,760 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-30 02:02:57,760 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-30 02:02:57,761 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-30 02:02:57,761 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-30 02:02:57,761 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-30 02:02:57,761 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 039f5312b62da5ff616f0ade8cc5a2dd494698e7519842b003d8d55f65a5fe6c Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> DEFORE [2023-08-30 02:02:58,073 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-30 02:02:58,091 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-30 02:02:58,094 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-30 02:02:58,094 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-30 02:02:58,096 INFO L275 PluginConnector]: CDTParser initialized [2023-08-30 02:02:58,097 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/chl-sre-subst.wvr.c [2023-08-30 02:02:59,361 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-30 02:02:59,543 INFO L351 CDTParser]: Found 1 translation units. [2023-08-30 02:02:59,543 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-sre-subst.wvr.c [2023-08-30 02:02:59,549 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c55e94792/a95bc75f9aec4cad908777c5ec28637f/FLAG8f59f9100 [2023-08-30 02:02:59,562 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c55e94792/a95bc75f9aec4cad908777c5ec28637f [2023-08-30 02:02:59,564 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-30 02:02:59,565 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-30 02:02:59,566 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-30 02:02:59,566 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-30 02:02:59,569 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-30 02:02:59,570 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 02:02:59" (1/1) ... [2023-08-30 02:02:59,571 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d6ba864 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:02:59, skipping insertion in model container [2023-08-30 02:02:59,571 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 02:02:59" (1/1) ... [2023-08-30 02:02:59,577 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-30 02:02:59,590 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-30 02:02:59,728 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/chl-sre-subst.wvr.c[2333,2346] [2023-08-30 02:02:59,736 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 02:02:59,745 INFO L203 MainTranslator]: Completed pre-run [2023-08-30 02:02:59,763 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/chl-sre-subst.wvr.c[2333,2346] [2023-08-30 02:02:59,765 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 02:02:59,782 INFO L208 MainTranslator]: Completed translation [2023-08-30 02:02:59,783 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:02:59 WrapperNode [2023-08-30 02:02:59,783 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-30 02:02:59,785 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-30 02:02:59,785 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-30 02:02:59,785 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-30 02:02:59,792 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:02:59" (1/1) ... [2023-08-30 02:02:59,809 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:02:59" (1/1) ... [2023-08-30 02:02:59,837 INFO L138 Inliner]: procedures = 22, calls = 26, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 77 [2023-08-30 02:02:59,838 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-30 02:02:59,839 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-30 02:02:59,839 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-30 02:02:59,839 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-30 02:02:59,847 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:02:59" (1/1) ... [2023-08-30 02:02:59,847 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:02:59" (1/1) ... [2023-08-30 02:02:59,854 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:02:59" (1/1) ... [2023-08-30 02:02:59,855 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:02:59" (1/1) ... [2023-08-30 02:02:59,871 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:02:59" (1/1) ... [2023-08-30 02:02:59,873 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:02:59" (1/1) ... [2023-08-30 02:02:59,875 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:02:59" (1/1) ... [2023-08-30 02:02:59,880 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:02:59" (1/1) ... [2023-08-30 02:02:59,882 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-30 02:02:59,884 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-30 02:02:59,885 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-30 02:02:59,885 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-30 02:02:59,886 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:02:59" (1/1) ... [2023-08-30 02:02:59,891 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 02:02:59,902 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-30 02:02:59,914 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 02:02:59,937 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 02:02:59,950 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-30 02:02:59,951 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-08-30 02:02:59,951 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-08-30 02:02:59,951 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-08-30 02:02:59,951 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-08-30 02:02:59,951 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-08-30 02:02:59,951 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-08-30 02:02:59,952 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-30 02:02:59,952 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-30 02:02:59,953 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-30 02:02:59,953 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-30 02:02:59,953 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-30 02:02:59,953 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-30 02:02:59,953 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-30 02:02:59,955 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 02:03:00,082 INFO L236 CfgBuilder]: Building ICFG [2023-08-30 02:03:00,084 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-30 02:03:00,338 INFO L277 CfgBuilder]: Performing block encoding [2023-08-30 02:03:00,345 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-30 02:03:00,345 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-08-30 02:03:00,347 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 02:03:00 BoogieIcfgContainer [2023-08-30 02:03:00,347 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-30 02:03:00,349 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-30 02:03:00,349 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-30 02:03:00,351 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-30 02:03:00,352 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.08 02:02:59" (1/3) ... [2023-08-30 02:03:00,352 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48dc97 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 02:03:00, skipping insertion in model container [2023-08-30 02:03:00,352 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:02:59" (2/3) ... [2023-08-30 02:03:00,353 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48dc97 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 02:03:00, skipping insertion in model container [2023-08-30 02:03:00,353 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 02:03:00" (3/3) ... [2023-08-30 02:03:00,357 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-sre-subst.wvr.c [2023-08-30 02:03:00,373 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-30 02:03:00,374 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 14 error locations. [2023-08-30 02:03:00,374 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-30 02:03:00,439 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2023-08-30 02:03:00,445 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 02:03:00,449 INFO L158 Benchmark]: Toolchain (without parser) took 883.10ms. Allocated memory is still 88.1MB. Free memory was 64.8MB in the beginning and 51.5MB in the end (delta: 13.3MB). Peak memory consumption was 14.3MB. Max. memory is 16.1GB. [2023-08-30 02:03:00,450 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 65.0MB. Free memory is still 42.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-08-30 02:03:00,450 INFO L158 Benchmark]: CACSL2BoogieTranslator took 217.43ms. Allocated memory is still 88.1MB. Free memory was 64.5MB in the beginning and 53.8MB in the end (delta: 10.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-08-30 02:03:00,451 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.40ms. Allocated memory is still 88.1MB. Free memory was 53.8MB in the beginning and 52.1MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2023-08-30 02:03:00,451 INFO L158 Benchmark]: Boogie Preprocessor took 44.57ms. Allocated memory is still 88.1MB. Free memory was 51.9MB in the beginning and 50.6MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2023-08-30 02:03:00,452 INFO L158 Benchmark]: RCFGBuilder took 463.17ms. Allocated memory is still 88.1MB. Free memory was 50.6MB in the beginning and 59.4MB in the end (delta: -8.8MB). Peak memory consumption was 14.3MB. Max. memory is 16.1GB. [2023-08-30 02:03:00,453 INFO L158 Benchmark]: TraceAbstraction took 98.90ms. Allocated memory is still 88.1MB. Free memory was 58.9MB in the beginning and 51.5MB in the end (delta: 7.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-08-30 02:03:00,455 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 65.0MB. Free memory is still 42.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 217.43ms. Allocated memory is still 88.1MB. Free memory was 64.5MB in the beginning and 53.8MB in the end (delta: 10.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 53.40ms. Allocated memory is still 88.1MB. Free memory was 53.8MB in the beginning and 52.1MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 44.57ms. Allocated memory is still 88.1MB. Free memory was 51.9MB in the beginning and 50.6MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 463.17ms. Allocated memory is still 88.1MB. Free memory was 50.6MB in the beginning and 59.4MB in the end (delta: -8.8MB). Peak memory consumption was 14.3MB. Max. memory is 16.1GB. * TraceAbstraction took 98.90ms. Allocated memory is still 88.1MB. Free memory was 58.9MB in the beginning and 51.5MB in the end (delta: 7.4MB). 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 02:03:00,474 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 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/chl-sre-subst.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 039f5312b62da5ff616f0ade8cc5a2dd494698e7519842b003d8d55f65a5fe6c --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 02:03:02,496 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-30 02:03:02,499 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-30 02:03:02,539 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-30 02:03:02,539 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-30 02:03:02,543 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-30 02:03:02,545 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-30 02:03:02,547 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-30 02:03:02,550 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-30 02:03:02,554 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-30 02:03:02,555 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-30 02:03:02,557 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-30 02:03:02,558 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-30 02:03:02,560 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-30 02:03:02,561 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-30 02:03:02,564 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-30 02:03:02,565 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-30 02:03:02,567 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-30 02:03:02,568 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-30 02:03:02,570 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-30 02:03:02,577 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-30 02:03:02,578 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-30 02:03:02,579 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-30 02:03:02,579 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-30 02:03:02,587 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-30 02:03:02,588 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-30 02:03:02,588 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-30 02:03:02,590 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-30 02:03:02,590 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-30 02:03:02,591 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-30 02:03:02,591 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-30 02:03:02,592 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-30 02:03:02,594 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-30 02:03:02,594 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-30 02:03:02,595 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-30 02:03:02,595 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-30 02:03:02,596 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-30 02:03:02,596 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-30 02:03:02,596 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-30 02:03:02,597 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-30 02:03:02,597 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-30 02:03:02,599 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2023-08-30 02:03:02,633 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-30 02:03:02,633 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-30 02:03:02,634 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-30 02:03:02,634 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-30 02:03:02,635 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-30 02:03:02,635 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-30 02:03:02,636 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-30 02:03:02,636 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-30 02:03:02,636 INFO L138 SettingsManager]: * Use SBE=true [2023-08-30 02:03:02,636 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-30 02:03:02,637 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-30 02:03:02,637 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-30 02:03:02,637 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-30 02:03:02,637 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-30 02:03:02,638 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-30 02:03:02,638 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-08-30 02:03:02,638 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2023-08-30 02:03:02,638 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-08-30 02:03:02,638 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-30 02:03:02,638 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-08-30 02:03:02,639 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2023-08-30 02:03:02,639 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-08-30 02:03:02,639 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-30 02:03:02,639 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-30 02:03:02,639 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-30 02:03:02,639 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-30 02:03:02,639 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-30 02:03:02,640 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 02:03:02,640 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-30 02:03:02,640 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-30 02:03:02,640 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2023-08-30 02:03:02,640 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-08-30 02:03:02,641 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-30 02:03:02,641 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-30 02:03:02,641 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-30 02:03:02,641 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2023-08-30 02:03:02,641 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-30 02:03:02,641 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 039f5312b62da5ff616f0ade8cc5a2dd494698e7519842b003d8d55f65a5fe6c Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> DEFORE [2023-08-30 02:03:02,977 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-30 02:03:02,999 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-30 02:03:03,001 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-30 02:03:03,002 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-30 02:03:03,003 INFO L275 PluginConnector]: CDTParser initialized [2023-08-30 02:03:03,004 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/chl-sre-subst.wvr.c [2023-08-30 02:03:04,173 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-30 02:03:04,405 INFO L351 CDTParser]: Found 1 translation units. [2023-08-30 02:03:04,406 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-sre-subst.wvr.c [2023-08-30 02:03:04,412 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f62f5c90d/39a8ebf3471d4797a35fffacb7586f87/FLAGe9d820d2b [2023-08-30 02:03:04,426 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f62f5c90d/39a8ebf3471d4797a35fffacb7586f87 [2023-08-30 02:03:04,428 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-30 02:03:04,428 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-30 02:03:04,429 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-30 02:03:04,430 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-30 02:03:04,433 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-30 02:03:04,433 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 02:03:04" (1/1) ... [2023-08-30 02:03:04,434 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@50983176 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:03:04, skipping insertion in model container [2023-08-30 02:03:04,434 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 02:03:04" (1/1) ... [2023-08-30 02:03:04,440 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-30 02:03:04,459 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-30 02:03:04,646 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/chl-sre-subst.wvr.c[2333,2346] [2023-08-30 02:03:04,652 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 02:03:04,668 INFO L203 MainTranslator]: Completed pre-run [2023-08-30 02:03:04,704 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/chl-sre-subst.wvr.c[2333,2346] [2023-08-30 02:03:04,707 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 02:03:04,724 INFO L208 MainTranslator]: Completed translation [2023-08-30 02:03:04,725 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:03:04 WrapperNode [2023-08-30 02:03:04,725 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-30 02:03:04,726 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-30 02:03:04,726 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-30 02:03:04,727 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-30 02:03:04,733 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:03:04" (1/1) ... [2023-08-30 02:03:04,751 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:03:04" (1/1) ... [2023-08-30 02:03:04,776 INFO L138 Inliner]: procedures = 24, calls = 26, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 77 [2023-08-30 02:03:04,776 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-30 02:03:04,778 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-30 02:03:04,778 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-30 02:03:04,778 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-30 02:03:04,786 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:03:04" (1/1) ... [2023-08-30 02:03:04,786 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:03:04" (1/1) ... [2023-08-30 02:03:04,795 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:03:04" (1/1) ... [2023-08-30 02:03:04,796 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:03:04" (1/1) ... [2023-08-30 02:03:04,812 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:03:04" (1/1) ... [2023-08-30 02:03:04,815 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:03:04" (1/1) ... [2023-08-30 02:03:04,820 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:03:04" (1/1) ... [2023-08-30 02:03:04,822 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:03:04" (1/1) ... [2023-08-30 02:03:04,825 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-30 02:03:04,829 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-30 02:03:04,830 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-30 02:03:04,830 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-30 02:03:04,831 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:03:04" (1/1) ... [2023-08-30 02:03:04,837 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 02:03:04,848 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-30 02:03:04,866 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 02:03:04,892 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 02:03:04,909 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-30 02:03:04,909 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-08-30 02:03:04,910 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-08-30 02:03:04,910 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-08-30 02:03:04,910 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-08-30 02:03:04,911 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-08-30 02:03:04,911 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-08-30 02:03:04,911 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-08-30 02:03:04,911 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-30 02:03:04,911 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-08-30 02:03:04,911 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-30 02:03:04,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-30 02:03:04,912 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-30 02:03:04,912 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-08-30 02:03:04,913 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 02:03:05,076 INFO L236 CfgBuilder]: Building ICFG [2023-08-30 02:03:05,078 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-30 02:03:05,404 INFO L277 CfgBuilder]: Performing block encoding [2023-08-30 02:03:05,410 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-30 02:03:05,411 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-08-30 02:03:05,413 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 02:03:05 BoogieIcfgContainer [2023-08-30 02:03:05,413 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-30 02:03:05,415 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-30 02:03:05,415 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-30 02:03:05,418 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-30 02:03:05,418 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.08 02:03:04" (1/3) ... [2023-08-30 02:03:05,419 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7cabfe3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 02:03:05, skipping insertion in model container [2023-08-30 02:03:05,419 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:03:04" (2/3) ... [2023-08-30 02:03:05,419 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7cabfe3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 02:03:05, skipping insertion in model container [2023-08-30 02:03:05,419 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 02:03:05" (3/3) ... [2023-08-30 02:03:05,421 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-sre-subst.wvr.c [2023-08-30 02:03:05,433 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-30 02:03:05,433 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 14 error locations. [2023-08-30 02:03:05,433 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-30 02:03:05,499 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2023-08-30 02:03:05,505 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 02:03:05,509 INFO L158 Benchmark]: Toolchain (without parser) took 1079.90ms. Allocated memory is still 81.8MB. Free memory was 59.7MB in the beginning and 40.7MB in the end (delta: 18.9MB). Peak memory consumption was 18.6MB. Max. memory is 16.1GB. [2023-08-30 02:03:05,510 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 62.9MB. Free memory is still 40.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-08-30 02:03:05,510 INFO L158 Benchmark]: CACSL2BoogieTranslator took 295.92ms. Allocated memory is still 81.8MB. Free memory was 59.7MB in the beginning and 48.3MB in the end (delta: 11.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-08-30 02:03:05,511 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.11ms. Allocated memory is still 81.8MB. Free memory was 48.3MB in the beginning and 46.5MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-30 02:03:05,511 INFO L158 Benchmark]: Boogie Preprocessor took 50.88ms. Allocated memory is still 81.8MB. Free memory was 46.5MB in the beginning and 45.1MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2023-08-30 02:03:05,512 INFO L158 Benchmark]: RCFGBuilder took 583.92ms. Allocated memory is still 81.8MB. Free memory was 45.1MB in the beginning and 50.1MB in the end (delta: -5.1MB). Peak memory consumption was 8.1MB. Max. memory is 16.1GB. [2023-08-30 02:03:05,512 INFO L158 Benchmark]: TraceAbstraction took 93.13ms. Allocated memory is still 81.8MB. Free memory was 49.4MB in the beginning and 40.7MB in the end (delta: 8.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-08-30 02:03:05,515 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 62.9MB. Free memory is still 40.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 295.92ms. Allocated memory is still 81.8MB. Free memory was 59.7MB in the beginning and 48.3MB in the end (delta: 11.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 50.11ms. Allocated memory is still 81.8MB. Free memory was 48.3MB in the beginning and 46.5MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 50.88ms. Allocated memory is still 81.8MB. Free memory was 46.5MB in the beginning and 45.1MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 583.92ms. Allocated memory is still 81.8MB. Free memory was 45.1MB in the beginning and 50.1MB in the end (delta: -5.1MB). Peak memory consumption was 8.1MB. Max. memory is 16.1GB. * TraceAbstraction took 93.13ms. Allocated memory is still 81.8MB. Free memory was 49.4MB in the beginning and 40.7MB in the end (delta: 8.7MB). Peak memory consumption was 8.4MB. 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 02:03:05,533 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