./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/list-ext3-properties/dll_nondet_free_order-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 6a47aea7 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff9579b5-cf60-4b9d-a8a8-2af406fb0e78/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff9579b5-cf60-4b9d-a8a8-2af406fb0e78/bin/ukojak-CwSLpZB5Qu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff9579b5-cf60-4b9d-a8a8-2af406fb0e78/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff9579b5-cf60-4b9d-a8a8-2af406fb0e78/bin/ukojak-CwSLpZB5Qu/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/list-ext3-properties/dll_nondet_free_order-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff9579b5-cf60-4b9d-a8a8-2af406fb0e78/bin/ukojak-CwSLpZB5Qu/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff9579b5-cf60-4b9d-a8a8-2af406fb0e78/bin/ukojak-CwSLpZB5Qu --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 Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f6eaec015dd6fdb220ef146938a83a65106037c982563310cbbb34d0417543f1 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:02:34,427 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:02:34,429 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:02:34,484 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:02:34,490 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:02:34,496 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:02:34,499 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:02:34,505 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:02:34,507 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:02:34,515 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:02:34,517 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:02:34,519 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:02:34,519 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:02:34,523 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:02:34,526 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:02:34,530 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:02:34,535 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:02:34,536 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:02:34,541 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:02:34,546 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:02:34,551 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:02:34,553 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:02:34,556 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:02:34,557 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:02:34,563 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:02:34,564 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:02:34,564 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:02:34,566 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:02:34,567 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:02:34,568 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:02:34,569 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:02:34,570 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:02:34,572 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:02:34,574 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:02:34,575 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:02:34,576 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:02:34,577 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:02:34,577 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:02:34,577 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:02:34,579 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:02:34,579 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:02:34,580 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff9579b5-cf60-4b9d-a8a8-2af406fb0e78/bin/ukojak-CwSLpZB5Qu/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2021-11-23 15:02:34,633 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:02:34,634 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:02:34,636 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:02:34,636 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:02:34,637 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:02:34,637 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:02:34,637 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 15:02:34,637 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:02:34,638 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:02:34,638 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:02:34,639 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-23 15:02:34,646 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-23 15:02:34,646 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-23 15:02:34,647 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:02:34,647 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:02:34,647 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:02:34,648 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:02:34,648 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:02:34,648 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:02:34,648 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:02:34,649 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:02:34,649 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:02:34,649 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:02:34,650 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:02:34,650 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff9579b5-cf60-4b9d-a8a8-2af406fb0e78/bin/ukojak-CwSLpZB5Qu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff9579b5-cf60-4b9d-a8a8-2af406fb0e78/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f6eaec015dd6fdb220ef146938a83a65106037c982563310cbbb34d0417543f1 [2021-11-23 15:02:34,935 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:02:34,982 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:02:34,985 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:02:34,987 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:02:34,987 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:02:34,989 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff9579b5-cf60-4b9d-a8a8-2af406fb0e78/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/list-ext3-properties/dll_nondet_free_order-1.i [2021-11-23 15:02:35,060 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff9579b5-cf60-4b9d-a8a8-2af406fb0e78/bin/ukojak-CwSLpZB5Qu/data/60bb9bad8/16a26eaeb718491aaa06f4ac1bbc001f/FLAG818851faf [2021-11-23 15:02:35,635 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:02:35,636 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff9579b5-cf60-4b9d-a8a8-2af406fb0e78/sv-benchmarks/c/list-ext3-properties/dll_nondet_free_order-1.i [2021-11-23 15:02:35,649 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff9579b5-cf60-4b9d-a8a8-2af406fb0e78/bin/ukojak-CwSLpZB5Qu/data/60bb9bad8/16a26eaeb718491aaa06f4ac1bbc001f/FLAG818851faf [2021-11-23 15:02:35,942 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff9579b5-cf60-4b9d-a8a8-2af406fb0e78/bin/ukojak-CwSLpZB5Qu/data/60bb9bad8/16a26eaeb718491aaa06f4ac1bbc001f [2021-11-23 15:02:35,945 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:02:35,948 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:02:35,951 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:02:35,952 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:02:35,955 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:02:35,956 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:02:35" (1/1) ... [2021-11-23 15:02:35,959 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7800f575 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:02:35, skipping insertion in model container [2021-11-23 15:02:35,961 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:02:35" (1/1) ... [2021-11-23 15:02:35,970 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:02:36,019 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:02:36,469 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:02:36,478 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:02:36,534 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:02:36,578 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:02:36,579 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:02:36 WrapperNode [2021-11-23 15:02:36,579 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:02:36,580 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:02:36,581 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:02:36,581 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:02:36,590 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:02:36" (1/1) ... [2021-11-23 15:02:36,627 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:02:36" (1/1) ... [2021-11-23 15:02:36,676 INFO L137 Inliner]: procedures = 116, calls = 31, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 134 [2021-11-23 15:02:36,679 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:02:36,680 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:02:36,680 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:02:36,680 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:02:36,690 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:02:36" (1/1) ... [2021-11-23 15:02:36,692 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:02:36" (1/1) ... [2021-11-23 15:02:36,711 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:02:36" (1/1) ... [2021-11-23 15:02:36,712 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:02:36" (1/1) ... [2021-11-23 15:02:36,722 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:02:36" (1/1) ... [2021-11-23 15:02:36,738 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:02:36" (1/1) ... [2021-11-23 15:02:36,740 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:02:36" (1/1) ... [2021-11-23 15:02:36,749 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:02:36,758 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:02:36,758 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:02:36,759 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:02:36,760 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:02:36" (1/1) ... [2021-11-23 15:02:36,775 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:02:36,789 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff9579b5-cf60-4b9d-a8a8-2af406fb0e78/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:02:36,804 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff9579b5-cf60-4b9d-a8a8-2af406fb0e78/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:02:36,828 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff9579b5-cf60-4b9d-a8a8-2af406fb0e78/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:02:36,859 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 15:02:36,859 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 15:02:36,859 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 15:02:36,859 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:02:36,860 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:02:36,861 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:02:36,981 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:02:36,982 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:02:37,007 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.UnmodifiableTransFormula.removeSuperfluousVars(UnmodifiableTransFormula.java:212) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.finishConstruction(TransFormulaBuilder.java:273) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.getTrivialTransFormula(TransFormulaBuilder.java:285) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$ProcedureCfgBuilder.removeAuxiliaryGoto(CfgBuilder.java:962) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$ProcedureCfgBuilder.buildProcedureCfgFromImplementation(CfgBuilder.java:727) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:266) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) 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$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 15:02:37,011 INFO L158 Benchmark]: Toolchain (without parser) took 1062.79ms. Allocated memory is still 109.1MB. Free memory was 78.5MB in the beginning and 65.4MB in the end (delta: 13.0MB). Peak memory consumption was 9.1MB. Max. memory is 16.1GB. [2021-11-23 15:02:37,012 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 109.1MB. Free memory was 64.8MB in the beginning and 64.6MB in the end (delta: 117.5kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:02:37,013 INFO L158 Benchmark]: CACSL2BoogieTranslator took 628.36ms. Allocated memory is still 109.1MB. Free memory was 78.2MB in the beginning and 76.5MB in the end (delta: 1.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 15:02:37,014 INFO L158 Benchmark]: Boogie Procedure Inliner took 98.60ms. Allocated memory is still 109.1MB. Free memory was 76.5MB in the beginning and 74.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:02:37,015 INFO L158 Benchmark]: Boogie Preprocessor took 77.61ms. Allocated memory is still 109.1MB. Free memory was 74.5MB in the beginning and 72.7MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:02:37,016 INFO L158 Benchmark]: RCFGBuilder took 251.51ms. Allocated memory is still 109.1MB. Free memory was 72.7MB in the beginning and 65.4MB in the end (delta: 7.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-23 15:02:37,020 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 109.1MB. Free memory was 64.8MB in the beginning and 64.6MB in the end (delta: 117.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 628.36ms. Allocated memory is still 109.1MB. Free memory was 78.2MB in the beginning and 76.5MB in the end (delta: 1.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 98.60ms. Allocated memory is still 109.1MB. Free memory was 76.5MB in the beginning and 74.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 77.61ms. Allocated memory is still 109.1MB. Free memory was 74.5MB in the beginning and 72.7MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 251.51ms. Allocated memory is still 109.1MB. Free memory was 72.7MB in the beginning and 65.4MB in the end (delta: 7.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 15:02:37,071 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff9579b5-cf60-4b9d-a8a8-2af406fb0e78/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (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=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff9579b5-cf60-4b9d-a8a8-2af406fb0e78/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff9579b5-cf60-4b9d-a8a8-2af406fb0e78/bin/ukojak-CwSLpZB5Qu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff9579b5-cf60-4b9d-a8a8-2af406fb0e78/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff9579b5-cf60-4b9d-a8a8-2af406fb0e78/bin/ukojak-CwSLpZB5Qu/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/list-ext3-properties/dll_nondet_free_order-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff9579b5-cf60-4b9d-a8a8-2af406fb0e78/bin/ukojak-CwSLpZB5Qu/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff9579b5-cf60-4b9d-a8a8-2af406fb0e78/bin/ukojak-CwSLpZB5Qu --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 Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f6eaec015dd6fdb220ef146938a83a65106037c982563310cbbb34d0417543f1 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:02:39,610 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:02:39,613 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:02:39,675 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:02:39,676 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:02:39,682 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:02:39,684 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:02:39,692 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:02:39,696 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:02:39,704 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:02:39,708 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:02:39,710 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:02:39,712 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:02:39,715 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:02:39,716 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:02:39,718 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:02:39,724 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:02:39,725 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:02:39,727 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:02:39,732 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:02:39,733 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:02:39,735 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:02:39,736 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:02:39,737 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:02:39,741 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:02:39,741 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:02:39,742 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:02:39,743 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:02:39,743 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:02:39,744 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:02:39,745 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:02:39,746 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:02:39,747 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:02:39,748 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:02:39,749 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:02:39,749 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:02:39,750 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:02:39,750 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:02:39,756 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:02:39,758 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:02:39,758 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:02:39,759 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff9579b5-cf60-4b9d-a8a8-2af406fb0e78/bin/ukojak-CwSLpZB5Qu/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf [2021-11-23 15:02:39,787 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:02:39,788 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:02:39,789 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:02:39,789 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:02:39,790 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:02:39,790 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:02:39,790 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 15:02:39,791 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:02:39,791 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:02:39,791 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:02:39,792 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-23 15:02:39,792 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-23 15:02:39,792 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-23 15:02:39,792 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:02:39,793 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:02:39,793 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:02:39,793 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:02:39,794 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:02:39,794 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:02:39,794 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:02:39,795 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:02:39,795 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:02:39,795 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:02:39,796 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:02:39,796 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:02:39,796 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:02:39,796 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:02:39,797 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:02:39,797 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:02:39,797 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff9579b5-cf60-4b9d-a8a8-2af406fb0e78/bin/ukojak-CwSLpZB5Qu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff9579b5-cf60-4b9d-a8a8-2af406fb0e78/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f6eaec015dd6fdb220ef146938a83a65106037c982563310cbbb34d0417543f1 [2021-11-23 15:02:40,184 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:02:40,208 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:02:40,211 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:02:40,213 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:02:40,214 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:02:40,215 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff9579b5-cf60-4b9d-a8a8-2af406fb0e78/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/list-ext3-properties/dll_nondet_free_order-1.i [2021-11-23 15:02:40,298 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff9579b5-cf60-4b9d-a8a8-2af406fb0e78/bin/ukojak-CwSLpZB5Qu/data/c868cd74f/b0d24eebdb4643ebb01bf398441f579c/FLAGf401e0327 [2021-11-23 15:02:41,008 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:02:41,009 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff9579b5-cf60-4b9d-a8a8-2af406fb0e78/sv-benchmarks/c/list-ext3-properties/dll_nondet_free_order-1.i [2021-11-23 15:02:41,024 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff9579b5-cf60-4b9d-a8a8-2af406fb0e78/bin/ukojak-CwSLpZB5Qu/data/c868cd74f/b0d24eebdb4643ebb01bf398441f579c/FLAGf401e0327 [2021-11-23 15:02:41,280 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff9579b5-cf60-4b9d-a8a8-2af406fb0e78/bin/ukojak-CwSLpZB5Qu/data/c868cd74f/b0d24eebdb4643ebb01bf398441f579c [2021-11-23 15:02:41,283 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:02:41,284 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:02:41,286 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:02:41,287 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:02:41,295 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:02:41,296 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:02:41" (1/1) ... [2021-11-23 15:02:41,298 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62afcdb9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:02:41, skipping insertion in model container [2021-11-23 15:02:41,304 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:02:41" (1/1) ... [2021-11-23 15:02:41,313 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:02:41,368 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:02:41,734 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:02:41,742 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:02:41,783 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:02:41,820 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:02:41,821 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:02:41 WrapperNode [2021-11-23 15:02:41,821 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:02:41,823 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:02:41,823 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:02:41,823 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:02:41,832 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:02:41" (1/1) ... [2021-11-23 15:02:41,855 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:02:41" (1/1) ... [2021-11-23 15:02:41,912 INFO L137 Inliner]: procedures = 117, calls = 31, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 130 [2021-11-23 15:02:41,919 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:02:41,920 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:02:41,921 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:02:41,922 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:02:41,932 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:02:41" (1/1) ... [2021-11-23 15:02:41,933 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:02:41" (1/1) ... [2021-11-23 15:02:41,942 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:02:41" (1/1) ... [2021-11-23 15:02:41,943 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:02:41" (1/1) ... [2021-11-23 15:02:41,955 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:02:41" (1/1) ... [2021-11-23 15:02:41,959 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:02:41" (1/1) ... [2021-11-23 15:02:41,962 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:02:41" (1/1) ... [2021-11-23 15:02:41,966 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:02:41,967 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:02:41,967 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:02:41,968 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:02:41,968 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:02:41" (1/1) ... [2021-11-23 15:02:41,976 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:02:41,992 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff9579b5-cf60-4b9d-a8a8-2af406fb0e78/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:02:42,003 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff9579b5-cf60-4b9d-a8a8-2af406fb0e78/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:02:42,015 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff9579b5-cf60-4b9d-a8a8-2af406fb0e78/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:02:42,048 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 15:02:42,049 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 15:02:42,049 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 15:02:42,049 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:02:42,049 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:02:42,049 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:02:42,182 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:02:42,184 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:02:42,219 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.UnmodifiableTransFormula.removeSuperfluousVars(UnmodifiableTransFormula.java:212) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.finishConstruction(TransFormulaBuilder.java:273) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.getTrivialTransFormula(TransFormulaBuilder.java:285) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$ProcedureCfgBuilder.removeAuxiliaryGoto(CfgBuilder.java:962) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$ProcedureCfgBuilder.buildProcedureCfgFromImplementation(CfgBuilder.java:727) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:266) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) 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$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 15:02:42,238 INFO L158 Benchmark]: Toolchain (without parser) took 952.73ms. Allocated memory was 54.5MB in the beginning and 67.1MB in the end (delta: 12.6MB). Free memory was 30.7MB in the beginning and 47.1MB in the end (delta: -16.4MB). Peak memory consumption was 13.0MB. Max. memory is 16.1GB. [2021-11-23 15:02:42,239 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 54.5MB. Free memory is still 36.1MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:02:42,240 INFO L158 Benchmark]: CACSL2BoogieTranslator took 535.33ms. Allocated memory was 54.5MB in the beginning and 67.1MB in the end (delta: 12.6MB). Free memory was 30.5MB in the beginning and 44.6MB in the end (delta: -14.1MB). Peak memory consumption was 7.7MB. Max. memory is 16.1GB. [2021-11-23 15:02:42,241 INFO L158 Benchmark]: Boogie Procedure Inliner took 96.94ms. Allocated memory is still 67.1MB. Free memory was 44.4MB in the beginning and 42.1MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:02:42,242 INFO L158 Benchmark]: Boogie Preprocessor took 46.09ms. Allocated memory is still 67.1MB. Free memory was 42.1MB in the beginning and 40.2MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:02:42,243 INFO L158 Benchmark]: RCFGBuilder took 269.06ms. Allocated memory is still 67.1MB. Free memory was 40.2MB in the beginning and 47.1MB in the end (delta: -6.9MB). Peak memory consumption was 10.9MB. Max. memory is 16.1GB. [2021-11-23 15:02:42,247 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 54.5MB. Free memory is still 36.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 535.33ms. Allocated memory was 54.5MB in the beginning and 67.1MB in the end (delta: 12.6MB). Free memory was 30.5MB in the beginning and 44.6MB in the end (delta: -14.1MB). Peak memory consumption was 7.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 96.94ms. Allocated memory is still 67.1MB. Free memory was 44.4MB in the beginning and 42.1MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 46.09ms. Allocated memory is still 67.1MB. Free memory was 42.1MB in the beginning and 40.2MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 269.06ms. Allocated memory is still 67.1MB. Free memory was 40.2MB in the beginning and 47.1MB in the end (delta: -6.9MB). Peak memory consumption was 10.9MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 15:02:42,300 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff9579b5-cf60-4b9d-a8a8-2af406fb0e78/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (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: UnsupportedOperationException: Set is immutable