./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/valid-memsafety.prp --file ../../../trunk/examples/svcomp/goblint-regression/09-regions_04-list2_nr.i --full-output --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations DEFORE --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version b8dbc81d Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../../../trunk/examples/svcomp/goblint-regression/09-regions_04-list2_nr.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 22e95fa30ebde8538537e9926c639bef97cab57433fef0bd6d73df06023fa7d1 --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations DEFORE --- Real Ultimate output --- This is Ultimate 0.2.3-?-b8dbc81 [2023-08-30 01:59:14,556 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-30 01:59:14,558 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-30 01:59:14,588 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-30 01:59:14,592 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-30 01:59:14,596 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-30 01:59:14,597 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-30 01:59:14,600 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-30 01:59:14,601 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-30 01:59:14,606 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-30 01:59:14,607 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-30 01:59:14,609 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-30 01:59:14,609 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-30 01:59:14,611 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-30 01:59:14,612 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-30 01:59:14,616 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-30 01:59:14,617 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-30 01:59:14,617 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-30 01:59:14,619 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-30 01:59:14,621 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-30 01:59:14,624 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-30 01:59:14,624 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-30 01:59:14,625 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-30 01:59:14,626 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-30 01:59:14,629 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-30 01:59:14,629 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-30 01:59:14,629 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-30 01:59:14,631 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-30 01:59:14,631 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-30 01:59:14,632 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-30 01:59:14,633 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-30 01:59:14,633 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-30 01:59:14,635 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-30 01:59:14,635 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-30 01:59:14,636 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-30 01:59:14,636 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-30 01:59:14,637 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-30 01:59:14,637 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-30 01:59:14,637 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-30 01:59:14,642 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-30 01:59:14,643 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-30 01:59:14,644 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2023-08-30 01:59:14,672 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-30 01:59:14,673 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-30 01:59:14,673 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-30 01:59:14,674 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-30 01:59:14,674 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-30 01:59:14,674 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-30 01:59:14,675 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-30 01:59:14,675 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-30 01:59:14,675 INFO L138 SettingsManager]: * Use SBE=true [2023-08-30 01:59:14,675 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-30 01:59:14,676 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-30 01:59:14,676 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-30 01:59:14,676 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-30 01:59:14,676 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-30 01:59:14,676 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-30 01:59:14,677 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-08-30 01:59:14,677 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2023-08-30 01:59:14,677 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-08-30 01:59:14,677 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-30 01:59:14,677 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-08-30 01:59:14,677 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-30 01:59:14,677 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-30 01:59:14,678 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-30 01:59:14,678 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-30 01:59:14,678 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-30 01:59:14,678 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 01:59:14,678 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-30 01:59:14,678 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-30 01:59:14,678 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-30 01:59:14,679 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-30 01:59:14,679 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-30 01:59:14,679 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-30 01:59:14,679 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-30 01:59:14,679 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-30 01:59:14,679 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 22e95fa30ebde8538537e9926c639bef97cab57433fef0bd6d73df06023fa7d1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> DEFORE [2023-08-30 01:59:14,935 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-30 01:59:14,960 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-30 01:59:14,962 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-30 01:59:14,963 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-30 01:59:14,963 INFO L275 PluginConnector]: CDTParser initialized [2023-08-30 01:59:14,964 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/09-regions_04-list2_nr.i [2023-08-30 01:59:16,004 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-30 01:59:16,293 INFO L351 CDTParser]: Found 1 translation units. [2023-08-30 01:59:16,293 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/09-regions_04-list2_nr.i [2023-08-30 01:59:16,322 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/be85c0857/24e70a0b24c643bd9c94c5b12f435b5c/FLAGe89902ce6 [2023-08-30 01:59:16,330 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/be85c0857/24e70a0b24c643bd9c94c5b12f435b5c [2023-08-30 01:59:16,332 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-30 01:59:16,333 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-30 01:59:16,334 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-30 01:59:16,334 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-30 01:59:16,336 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-30 01:59:16,336 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 01:59:16" (1/1) ... [2023-08-30 01:59:16,339 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25a4b9c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:59:16, skipping insertion in model container [2023-08-30 01:59:16,339 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 01:59:16" (1/1) ... [2023-08-30 01:59:16,344 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-30 01:59:16,398 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-30 01:59:16,798 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 01:59:16,810 INFO L203 MainTranslator]: Completed pre-run [2023-08-30 01:59:16,845 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 01:59:16,924 INFO L208 MainTranslator]: Completed translation [2023-08-30 01:59:16,925 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:59:16 WrapperNode [2023-08-30 01:59:16,925 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-30 01:59:16,926 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-30 01:59:16,926 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-30 01:59:16,926 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-30 01:59:16,930 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:59:16" (1/1) ... [2023-08-30 01:59:16,962 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:59:16" (1/1) ... [2023-08-30 01:59:16,976 INFO L138 Inliner]: procedures = 368, calls = 45, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 86 [2023-08-30 01:59:16,977 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-30 01:59:16,977 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-30 01:59:16,977 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-30 01:59:16,978 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-30 01:59:16,983 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:59:16" (1/1) ... [2023-08-30 01:59:16,983 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:59:16" (1/1) ... [2023-08-30 01:59:16,993 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:59:16" (1/1) ... [2023-08-30 01:59:16,997 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:59:16" (1/1) ... [2023-08-30 01:59:17,001 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:59:16" (1/1) ... [2023-08-30 01:59:17,005 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:59:16" (1/1) ... [2023-08-30 01:59:17,006 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:59:16" (1/1) ... [2023-08-30 01:59:17,010 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:59:16" (1/1) ... [2023-08-30 01:59:17,012 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-30 01:59:17,012 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-30 01:59:17,013 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-30 01:59:17,013 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-30 01:59:17,013 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:59:16" (1/1) ... [2023-08-30 01:59:17,024 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 01:59:17,033 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-30 01:59:17,042 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-08-30 01:59:17,056 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-08-30 01:59:17,072 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-30 01:59:17,072 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-08-30 01:59:17,073 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-30 01:59:17,073 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-30 01:59:17,073 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-30 01:59:17,073 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-08-30 01:59:17,073 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-08-30 01:59:17,073 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-30 01:59:17,073 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-08-30 01:59:17,074 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2023-08-30 01:59:17,075 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2023-08-30 01:59:17,075 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-30 01:59:17,075 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-30 01:59:17,075 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-30 01:59:17,076 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-08-30 01:59:17,210 INFO L236 CfgBuilder]: Building ICFG [2023-08-30 01:59:17,228 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-30 01:59:17,587 INFO L277 CfgBuilder]: Performing block encoding [2023-08-30 01:59:17,593 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-30 01:59:17,593 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-08-30 01:59:17,595 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 01:59:17 BoogieIcfgContainer [2023-08-30 01:59:17,595 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-30 01:59:17,596 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-30 01:59:17,597 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-30 01:59:17,599 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-30 01:59:17,599 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.08 01:59:16" (1/3) ... [2023-08-30 01:59:17,600 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18a3012f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 01:59:17, skipping insertion in model container [2023-08-30 01:59:17,600 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:59:16" (2/3) ... [2023-08-30 01:59:17,600 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18a3012f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 01:59:17, skipping insertion in model container [2023-08-30 01:59:17,600 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 01:59:17" (3/3) ... [2023-08-30 01:59:17,601 INFO L112 eAbstractionObserver]: Analyzing ICFG 09-regions_04-list2_nr.i [2023-08-30 01:59:17,614 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-30 01:59:17,614 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 43 error locations. [2023-08-30 01:59:17,615 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-30 01:59:17,697 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-08-30 01:59:17,703 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.IllegalArgumentException: No enum constant de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TraceAbstractionPreferenceInitializer.InsufficientError.DEFORE at java.base/java.lang.Enum.valueOf(Enum.java:240) at de.uni_freiburg.informatik.ultimate.core.preferences.RcpPreferenceProvider.getEnum(RcpPreferenceProvider.java:117) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TAPreferences.insufficientThreadErrorsVsProgramErrors(TAPreferences.java:218) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.partitionErrorLocations(TraceAbstractionStarter.java:394) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:280) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:225) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:173) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-08-30 01:59:17,708 INFO L158 Benchmark]: Toolchain (without parser) took 1374.27ms. Allocated memory was 58.7MB in the beginning and 71.3MB in the end (delta: 12.6MB). Free memory was 34.8MB in the beginning and 41.3MB in the end (delta: -6.5MB). Peak memory consumption was 20.6MB. Max. memory is 16.1GB. [2023-08-30 01:59:17,709 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 48.2MB. Free memory was 26.5MB in the beginning and 26.4MB in the end (delta: 54.5kB). There was no memory consumed. Max. memory is 16.1GB. [2023-08-30 01:59:17,709 INFO L158 Benchmark]: CACSL2BoogieTranslator took 591.96ms. Allocated memory was 58.7MB in the beginning and 71.3MB in the end (delta: 12.6MB). Free memory was 34.6MB in the beginning and 33.3MB in the end (delta: 1.3MB). Peak memory consumption was 15.4MB. Max. memory is 16.1GB. [2023-08-30 01:59:17,710 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.85ms. Allocated memory is still 71.3MB. Free memory was 33.3MB in the beginning and 46.6MB in the end (delta: -13.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-08-30 01:59:17,711 INFO L158 Benchmark]: Boogie Preprocessor took 34.52ms. Allocated memory is still 71.3MB. Free memory was 46.6MB in the beginning and 44.8MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-30 01:59:17,712 INFO L158 Benchmark]: RCFGBuilder took 582.59ms. Allocated memory is still 71.3MB. Free memory was 44.8MB in the beginning and 36.4MB in the end (delta: 8.4MB). Peak memory consumption was 16.4MB. Max. memory is 16.1GB. [2023-08-30 01:59:17,713 INFO L158 Benchmark]: TraceAbstraction took 110.34ms. Allocated memory is still 71.3MB. Free memory was 35.8MB in the beginning and 41.3MB in the end (delta: -5.5MB). Peak memory consumption was 7.1MB. Max. memory is 16.1GB. [2023-08-30 01:59:17,720 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 48.2MB. Free memory was 26.5MB in the beginning and 26.4MB in the end (delta: 54.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 591.96ms. Allocated memory was 58.7MB in the beginning and 71.3MB in the end (delta: 12.6MB). Free memory was 34.6MB in the beginning and 33.3MB in the end (delta: 1.3MB). Peak memory consumption was 15.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 50.85ms. Allocated memory is still 71.3MB. Free memory was 33.3MB in the beginning and 46.6MB in the end (delta: -13.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 34.52ms. Allocated memory is still 71.3MB. Free memory was 46.6MB in the beginning and 44.8MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 582.59ms. Allocated memory is still 71.3MB. Free memory was 44.8MB in the beginning and 36.4MB in the end (delta: 8.4MB). Peak memory consumption was 16.4MB. Max. memory is 16.1GB. * TraceAbstraction took 110.34ms. Allocated memory is still 71.3MB. Free memory was 35.8MB in the beginning and 41.3MB in the end (delta: -5.5MB). Peak memory consumption was 7.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: IllegalArgumentException: No enum constant de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TraceAbstractionPreferenceInitializer.InsufficientError.DEFORE de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: IllegalArgumentException: No enum constant de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TraceAbstractionPreferenceInitializer.InsufficientError.DEFORE: java.base/java.lang.Enum.valueOf(Enum.java:240) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-08-30 01:59:17,739 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/goblint-regression/09-regions_04-list2_nr.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 22e95fa30ebde8538537e9926c639bef97cab57433fef0bd6d73df06023fa7d1 --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations DEFORE --- Real Ultimate output --- This is Ultimate 0.2.3-?-b8dbc81 [2023-08-30 01:59:19,461 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-30 01:59:19,462 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-30 01:59:19,478 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-30 01:59:19,479 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-30 01:59:19,479 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-30 01:59:19,480 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-30 01:59:19,481 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-30 01:59:19,482 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-30 01:59:19,483 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-30 01:59:19,484 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-30 01:59:19,484 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-30 01:59:19,485 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-30 01:59:19,485 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-30 01:59:19,486 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-30 01:59:19,487 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-30 01:59:19,487 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-30 01:59:19,488 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-30 01:59:19,489 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-30 01:59:19,497 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-30 01:59:19,498 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-30 01:59:19,499 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-30 01:59:19,507 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-30 01:59:19,508 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-30 01:59:19,510 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-30 01:59:19,510 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-30 01:59:19,510 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-30 01:59:19,511 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-30 01:59:19,511 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-30 01:59:19,512 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-30 01:59:19,512 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-30 01:59:19,513 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-30 01:59:19,513 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-30 01:59:19,514 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-30 01:59:19,514 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-30 01:59:19,515 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-30 01:59:19,515 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-30 01:59:19,515 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-30 01:59:19,515 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-30 01:59:19,516 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-30 01:59:19,517 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-30 01:59:19,517 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2023-08-30 01:59:19,532 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-30 01:59:19,533 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-30 01:59:19,533 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-30 01:59:19,533 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-30 01:59:19,533 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-30 01:59:19,534 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-30 01:59:19,535 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-30 01:59:19,535 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-30 01:59:19,535 INFO L138 SettingsManager]: * Use SBE=true [2023-08-30 01:59:19,535 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-30 01:59:19,536 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-30 01:59:19,536 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-30 01:59:19,536 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-30 01:59:19,536 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-30 01:59:19,537 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-30 01:59:19,537 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-08-30 01:59:19,537 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2023-08-30 01:59:19,537 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-08-30 01:59:19,537 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-30 01:59:19,537 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-08-30 01:59:19,537 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2023-08-30 01:59:19,538 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-08-30 01:59:19,538 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-30 01:59:19,538 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-30 01:59:19,538 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-30 01:59:19,538 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-30 01:59:19,539 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-30 01:59:19,539 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 01:59:19,539 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-30 01:59:19,539 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-30 01:59:19,539 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2023-08-30 01:59:19,539 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-08-30 01:59:19,540 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-30 01:59:19,540 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-30 01:59:19,540 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-30 01:59:19,540 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2023-08-30 01:59:19,540 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-30 01:59:19,540 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 22e95fa30ebde8538537e9926c639bef97cab57433fef0bd6d73df06023fa7d1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> DEFORE [2023-08-30 01:59:19,791 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-30 01:59:19,810 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-30 01:59:19,811 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-30 01:59:19,812 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-30 01:59:19,812 INFO L275 PluginConnector]: CDTParser initialized [2023-08-30 01:59:19,814 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/09-regions_04-list2_nr.i [2023-08-30 01:59:20,911 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-30 01:59:21,134 INFO L351 CDTParser]: Found 1 translation units. [2023-08-30 01:59:21,135 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/09-regions_04-list2_nr.i [2023-08-30 01:59:21,145 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3f989b1da/259e9d644e594971b3f50d6b3806fbea/FLAGec69fd55a [2023-08-30 01:59:21,154 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3f989b1da/259e9d644e594971b3f50d6b3806fbea [2023-08-30 01:59:21,156 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-30 01:59:21,156 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-30 01:59:21,157 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-30 01:59:21,157 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-30 01:59:21,159 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-30 01:59:21,160 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 01:59:21" (1/1) ... [2023-08-30 01:59:21,160 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ca98d94 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:59:21, skipping insertion in model container [2023-08-30 01:59:21,161 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 01:59:21" (1/1) ... [2023-08-30 01:59:21,165 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-30 01:59:21,205 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-30 01:59:21,529 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 01:59:21,543 INFO L203 MainTranslator]: Completed pre-run [2023-08-30 01:59:21,615 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 01:59:21,680 INFO L208 MainTranslator]: Completed translation [2023-08-30 01:59:21,681 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:59:21 WrapperNode [2023-08-30 01:59:21,681 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-30 01:59:21,682 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-30 01:59:21,682 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-30 01:59:21,682 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-30 01:59:21,686 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:59:21" (1/1) ... [2023-08-30 01:59:21,710 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:59:21" (1/1) ... [2023-08-30 01:59:21,736 INFO L138 Inliner]: procedures = 369, calls = 45, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 87 [2023-08-30 01:59:21,737 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-30 01:59:21,738 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-30 01:59:21,738 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-30 01:59:21,738 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-30 01:59:21,743 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:59:21" (1/1) ... [2023-08-30 01:59:21,743 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:59:21" (1/1) ... [2023-08-30 01:59:21,758 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:59:21" (1/1) ... [2023-08-30 01:59:21,758 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:59:21" (1/1) ... [2023-08-30 01:59:21,763 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:59:21" (1/1) ... [2023-08-30 01:59:21,770 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:59:21" (1/1) ... [2023-08-30 01:59:21,772 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:59:21" (1/1) ... [2023-08-30 01:59:21,777 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:59:21" (1/1) ... [2023-08-30 01:59:21,779 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-30 01:59:21,784 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-30 01:59:21,784 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-30 01:59:21,784 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-30 01:59:21,784 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:59:21" (1/1) ... [2023-08-30 01:59:21,789 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 01:59:21,798 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-30 01:59:21,807 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-08-30 01:59:21,820 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-08-30 01:59:21,834 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-08-30 01:59:21,834 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-30 01:59:21,834 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-08-30 01:59:21,834 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-30 01:59:21,834 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-08-30 01:59:21,834 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-08-30 01:59:21,835 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-08-30 01:59:21,835 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-08-30 01:59:21,835 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-30 01:59:21,835 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-08-30 01:59:21,835 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2023-08-30 01:59:21,835 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2023-08-30 01:59:21,835 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-30 01:59:21,835 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-30 01:59:21,836 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-08-30 01:59:21,991 INFO L236 CfgBuilder]: Building ICFG [2023-08-30 01:59:22,000 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-30 01:59:22,394 INFO L277 CfgBuilder]: Performing block encoding [2023-08-30 01:59:22,399 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-30 01:59:22,399 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-08-30 01:59:22,400 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 01:59:22 BoogieIcfgContainer [2023-08-30 01:59:22,401 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-30 01:59:22,402 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-30 01:59:22,402 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-30 01:59:22,404 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-30 01:59:22,404 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.08 01:59:21" (1/3) ... [2023-08-30 01:59:22,404 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55095bd4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 01:59:22, skipping insertion in model container [2023-08-30 01:59:22,404 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:59:21" (2/3) ... [2023-08-30 01:59:22,404 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55095bd4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 01:59:22, skipping insertion in model container [2023-08-30 01:59:22,404 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 01:59:22" (3/3) ... [2023-08-30 01:59:22,405 INFO L112 eAbstractionObserver]: Analyzing ICFG 09-regions_04-list2_nr.i [2023-08-30 01:59:22,415 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-30 01:59:22,415 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 43 error locations. [2023-08-30 01:59:22,415 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-30 01:59:22,461 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-08-30 01:59:22,465 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.IllegalArgumentException: No enum constant de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TraceAbstractionPreferenceInitializer.InsufficientError.DEFORE at java.base/java.lang.Enum.valueOf(Enum.java:240) at de.uni_freiburg.informatik.ultimate.core.preferences.RcpPreferenceProvider.getEnum(RcpPreferenceProvider.java:117) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TAPreferences.insufficientThreadErrorsVsProgramErrors(TAPreferences.java:218) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.partitionErrorLocations(TraceAbstractionStarter.java:394) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:280) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:225) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:173) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-08-30 01:59:22,468 INFO L158 Benchmark]: Toolchain (without parser) took 1310.72ms. Allocated memory is still 96.5MB. Free memory was 71.7MB in the beginning and 37.9MB in the end (delta: 33.8MB). Peak memory consumption was 34.9MB. Max. memory is 16.1GB. [2023-08-30 01:59:22,468 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 65.0MB. Free memory is still 42.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-08-30 01:59:22,468 INFO L158 Benchmark]: CACSL2BoogieTranslator took 524.01ms. Allocated memory is still 96.5MB. Free memory was 71.4MB in the beginning and 54.5MB in the end (delta: 16.9MB). Peak memory consumption was 27.8MB. Max. memory is 16.1GB. [2023-08-30 01:59:22,469 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.00ms. Allocated memory is still 96.5MB. Free memory was 54.5MB in the beginning and 52.0MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-30 01:59:22,469 INFO L158 Benchmark]: Boogie Preprocessor took 45.78ms. Allocated memory is still 96.5MB. Free memory was 52.0MB in the beginning and 49.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-08-30 01:59:22,469 INFO L158 Benchmark]: RCFGBuilder took 616.82ms. Allocated memory is still 96.5MB. Free memory was 49.4MB in the beginning and 53.6MB in the end (delta: -4.2MB). Peak memory consumption was 15.6MB. Max. memory is 16.1GB. [2023-08-30 01:59:22,470 INFO L158 Benchmark]: TraceAbstraction took 64.83ms. Allocated memory is still 96.5MB. Free memory was 53.1MB in the beginning and 37.9MB in the end (delta: 15.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-08-30 01:59:22,471 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 65.0MB. Free memory is still 42.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 524.01ms. Allocated memory is still 96.5MB. Free memory was 71.4MB in the beginning and 54.5MB in the end (delta: 16.9MB). Peak memory consumption was 27.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 55.00ms. Allocated memory is still 96.5MB. Free memory was 54.5MB in the beginning and 52.0MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 45.78ms. Allocated memory is still 96.5MB. Free memory was 52.0MB in the beginning and 49.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 616.82ms. Allocated memory is still 96.5MB. Free memory was 49.4MB in the beginning and 53.6MB in the end (delta: -4.2MB). Peak memory consumption was 15.6MB. Max. memory is 16.1GB. * TraceAbstraction took 64.83ms. Allocated memory is still 96.5MB. Free memory was 53.1MB in the beginning and 37.9MB in the end (delta: 15.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: IllegalArgumentException: No enum constant de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TraceAbstractionPreferenceInitializer.InsufficientError.DEFORE de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: IllegalArgumentException: No enum constant de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.preferences.TraceAbstractionPreferenceInitializer.InsufficientError.DEFORE: java.base/java.lang.Enum.valueOf(Enum.java:240) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-08-30 01:59:22,511 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