./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/list-ext3-properties/sll_shallow_copy-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_ecf07717-606c-4caf-9130-4603ecdb6f6f/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecf07717-606c-4caf-9130-4603ecdb6f6f/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_ecf07717-606c-4caf-9130-4603ecdb6f6f/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecf07717-606c-4caf-9130-4603ecdb6f6f/bin/ukojak-CwSLpZB5Qu/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/list-ext3-properties/sll_shallow_copy-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecf07717-606c-4caf-9130-4603ecdb6f6f/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_ecf07717-606c-4caf-9130-4603ecdb6f6f/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 b85925b4cd4a90c7937c0d7134475db048f88e78d985bef01499b1b0477a4b80 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:55:01,481 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:55:01,485 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:55:01,523 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:55:01,524 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:55:01,525 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:55:01,527 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:55:01,530 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:55:01,533 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:55:01,534 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:55:01,535 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:55:01,537 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:55:01,538 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:55:01,539 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:55:01,541 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:55:01,543 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:55:01,544 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:55:01,546 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:55:01,549 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:55:01,552 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:55:01,554 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:55:01,556 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:55:01,557 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:55:01,560 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:55:01,568 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:55:01,569 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:55:01,578 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:55:01,579 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:55:01,580 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:55:01,581 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:55:01,582 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:55:01,583 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:55:01,586 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:55:01,587 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:55:01,589 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:55:01,590 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:55:01,591 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:55:01,592 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:55:01,592 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:55:01,593 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:55:01,594 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:55:01,595 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecf07717-606c-4caf-9130-4603ecdb6f6f/bin/ukojak-CwSLpZB5Qu/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2021-11-23 15:55:01,621 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:55:01,621 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:55:01,623 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:55:01,623 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:55:01,623 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:55:01,626 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:55:01,626 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 15:55:01,626 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:55:01,627 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:55:01,627 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:55:01,628 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-23 15:55:01,628 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-23 15:55:01,628 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-23 15:55:01,629 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:55:01,629 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:55:01,629 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:55:01,629 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:55:01,630 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:55:01,630 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:55:01,630 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:55:01,631 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:55:01,631 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:55:01,631 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:55:01,632 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:55:01,632 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_ecf07717-606c-4caf-9130-4603ecdb6f6f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecf07717-606c-4caf-9130-4603ecdb6f6f/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b85925b4cd4a90c7937c0d7134475db048f88e78d985bef01499b1b0477a4b80 [2021-11-23 15:55:01,908 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:55:01,934 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:55:01,937 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:55:01,938 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:55:01,939 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:55:01,940 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecf07717-606c-4caf-9130-4603ecdb6f6f/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/list-ext3-properties/sll_shallow_copy-1.i [2021-11-23 15:55:02,004 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecf07717-606c-4caf-9130-4603ecdb6f6f/bin/ukojak-CwSLpZB5Qu/data/ed3908a0a/4601ef4c39ef4407a21d70d6ecf168d3/FLAGef905a4ea [2021-11-23 15:55:02,580 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:55:02,580 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecf07717-606c-4caf-9130-4603ecdb6f6f/sv-benchmarks/c/list-ext3-properties/sll_shallow_copy-1.i [2021-11-23 15:55:02,597 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecf07717-606c-4caf-9130-4603ecdb6f6f/bin/ukojak-CwSLpZB5Qu/data/ed3908a0a/4601ef4c39ef4407a21d70d6ecf168d3/FLAGef905a4ea [2021-11-23 15:55:02,866 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecf07717-606c-4caf-9130-4603ecdb6f6f/bin/ukojak-CwSLpZB5Qu/data/ed3908a0a/4601ef4c39ef4407a21d70d6ecf168d3 [2021-11-23 15:55:02,868 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:55:02,870 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:55:02,871 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:55:02,871 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:55:02,874 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:55:02,875 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:55:02" (1/1) ... [2021-11-23 15:55:02,876 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@510cf34e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:02, skipping insertion in model container [2021-11-23 15:55:02,877 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:55:02" (1/1) ... [2021-11-23 15:55:02,884 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:55:02,918 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:55:03,268 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:55:03,276 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:55:03,330 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:55:03,369 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:55:03,369 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:03 WrapperNode [2021-11-23 15:55:03,370 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:55:03,371 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:55:03,371 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:55:03,371 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:55:03,379 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:03" (1/1) ... [2021-11-23 15:55:03,402 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:03" (1/1) ... [2021-11-23 15:55:03,426 INFO L137 Inliner]: procedures = 114, calls = 12, calls flagged for inlining = 5, calls inlined = 6, statements flattened = 47 [2021-11-23 15:55:03,426 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:55:03,427 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:55:03,427 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:55:03,427 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:55:03,435 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:03" (1/1) ... [2021-11-23 15:55:03,437 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:03" (1/1) ... [2021-11-23 15:55:03,453 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:03" (1/1) ... [2021-11-23 15:55:03,454 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:03" (1/1) ... [2021-11-23 15:55:03,460 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:03" (1/1) ... [2021-11-23 15:55:03,468 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:03" (1/1) ... [2021-11-23 15:55:03,470 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:03" (1/1) ... [2021-11-23 15:55:03,473 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:55:03,480 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:55:03,481 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:55:03,481 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:55:03,482 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:03" (1/1) ... [2021-11-23 15:55:03,492 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:55:03,503 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecf07717-606c-4caf-9130-4603ecdb6f6f/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:55:03,529 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecf07717-606c-4caf-9130-4603ecdb6f6f/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:55:03,542 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecf07717-606c-4caf-9130-4603ecdb6f6f/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:55:03,578 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 15:55:03,578 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 15:55:03,579 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 15:55:03,579 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:55:03,579 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:55:03,580 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:55:03,711 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:55:03,714 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:55:03,744 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$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 15:55:03,756 INFO L158 Benchmark]: Toolchain (without parser) took 885.15ms. Allocated memory was 77.6MB in the beginning and 98.6MB in the end (delta: 21.0MB). Free memory was 51.6MB in the beginning and 59.6MB in the end (delta: -8.0MB). Peak memory consumption was 9.3MB. Max. memory is 16.1GB. [2021-11-23 15:55:03,770 INFO L158 Benchmark]: CDTParser took 0.63ms. Allocated memory is still 77.6MB. Free memory was 54.1MB in the beginning and 54.1MB in the end (delta: 30.9kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:55:03,771 INFO L158 Benchmark]: CACSL2BoogieTranslator took 498.95ms. Allocated memory was 77.6MB in the beginning and 98.6MB in the end (delta: 21.0MB). Free memory was 51.3MB in the beginning and 69.3MB in the end (delta: -18.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 15:55:03,771 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.79ms. Allocated memory is still 98.6MB. Free memory was 69.3MB in the beginning and 67.6MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:55:03,772 INFO L158 Benchmark]: Boogie Preprocessor took 52.57ms. Allocated memory is still 98.6MB. Free memory was 67.6MB in the beginning and 66.4MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:55:03,773 INFO L158 Benchmark]: RCFGBuilder took 273.69ms. Allocated memory is still 98.6MB. Free memory was 66.4MB in the beginning and 59.6MB in the end (delta: 6.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-23 15:55:03,778 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.63ms. Allocated memory is still 77.6MB. Free memory was 54.1MB in the beginning and 54.1MB in the end (delta: 30.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 498.95ms. Allocated memory was 77.6MB in the beginning and 98.6MB in the end (delta: 21.0MB). Free memory was 51.3MB in the beginning and 69.3MB in the end (delta: -18.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 55.79ms. Allocated memory is still 98.6MB. Free memory was 69.3MB in the beginning and 67.6MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 52.57ms. Allocated memory is still 98.6MB. Free memory was 67.6MB in the beginning and 66.4MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 273.69ms. Allocated memory is still 98.6MB. Free memory was 66.4MB in the beginning and 59.6MB in the end (delta: 6.9MB). 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 15:55:03,823 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecf07717-606c-4caf-9130-4603ecdb6f6f/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_ecf07717-606c-4caf-9130-4603ecdb6f6f/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecf07717-606c-4caf-9130-4603ecdb6f6f/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_ecf07717-606c-4caf-9130-4603ecdb6f6f/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecf07717-606c-4caf-9130-4603ecdb6f6f/bin/ukojak-CwSLpZB5Qu/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/list-ext3-properties/sll_shallow_copy-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecf07717-606c-4caf-9130-4603ecdb6f6f/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_ecf07717-606c-4caf-9130-4603ecdb6f6f/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 b85925b4cd4a90c7937c0d7134475db048f88e78d985bef01499b1b0477a4b80 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:55:06,225 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:55:06,227 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:55:06,263 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:55:06,264 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:55:06,269 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:55:06,271 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:55:06,278 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:55:06,281 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:55:06,287 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:55:06,290 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:55:06,292 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:55:06,293 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:55:06,295 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:55:06,297 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:55:06,302 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:55:06,304 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:55:06,305 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:55:06,307 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:55:06,317 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:55:06,319 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:55:06,320 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:55:06,324 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:55:06,325 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:55:06,334 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:55:06,335 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:55:06,335 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:55:06,337 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:55:06,338 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:55:06,339 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:55:06,339 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:55:06,340 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:55:06,342 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:55:06,343 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:55:06,344 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:55:06,345 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:55:06,346 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:55:06,346 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:55:06,346 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:55:06,348 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:55:06,348 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:55:06,349 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecf07717-606c-4caf-9130-4603ecdb6f6f/bin/ukojak-CwSLpZB5Qu/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf [2021-11-23 15:55:06,396 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:55:06,396 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:55:06,399 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:55:06,399 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:55:06,399 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:55:06,400 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:55:06,400 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 15:55:06,400 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:55:06,400 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:55:06,400 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:55:06,401 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-23 15:55:06,402 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-23 15:55:06,402 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-23 15:55:06,402 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:55:06,402 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:55:06,403 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:55:06,403 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:55:06,403 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:55:06,403 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:55:06,403 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:55:06,404 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:55:06,404 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:55:06,404 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:55:06,404 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:55:06,405 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:55:06,405 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:55:06,409 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:55:06,409 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:55:06,410 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:55:06,410 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_ecf07717-606c-4caf-9130-4603ecdb6f6f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecf07717-606c-4caf-9130-4603ecdb6f6f/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b85925b4cd4a90c7937c0d7134475db048f88e78d985bef01499b1b0477a4b80 [2021-11-23 15:55:06,775 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:55:06,811 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:55:06,813 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:55:06,814 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:55:06,829 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:55:06,831 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecf07717-606c-4caf-9130-4603ecdb6f6f/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/list-ext3-properties/sll_shallow_copy-1.i [2021-11-23 15:55:06,897 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecf07717-606c-4caf-9130-4603ecdb6f6f/bin/ukojak-CwSLpZB5Qu/data/29990151f/34324ff1f794455683a1e9a0d1e9f7fb/FLAGec3867c8e [2021-11-23 15:55:07,483 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:55:07,484 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecf07717-606c-4caf-9130-4603ecdb6f6f/sv-benchmarks/c/list-ext3-properties/sll_shallow_copy-1.i [2021-11-23 15:55:07,497 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecf07717-606c-4caf-9130-4603ecdb6f6f/bin/ukojak-CwSLpZB5Qu/data/29990151f/34324ff1f794455683a1e9a0d1e9f7fb/FLAGec3867c8e [2021-11-23 15:55:07,778 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecf07717-606c-4caf-9130-4603ecdb6f6f/bin/ukojak-CwSLpZB5Qu/data/29990151f/34324ff1f794455683a1e9a0d1e9f7fb [2021-11-23 15:55:07,782 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:55:07,783 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:55:07,787 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:55:07,787 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:55:07,791 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:55:07,792 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:55:07" (1/1) ... [2021-11-23 15:55:07,794 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28e250fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:07, skipping insertion in model container [2021-11-23 15:55:07,794 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:55:07" (1/1) ... [2021-11-23 15:55:07,801 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:55:07,859 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:55:08,272 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:55:08,282 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-23 15:55:08,292 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:55:08,322 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:55:08,330 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:55:08,388 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:55:08,431 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:55:08,432 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:08 WrapperNode [2021-11-23 15:55:08,432 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:55:08,433 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:55:08,434 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:55:08,434 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:55:08,441 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:08" (1/1) ... [2021-11-23 15:55:08,465 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:08" (1/1) ... [2021-11-23 15:55:08,487 INFO L137 Inliner]: procedures = 115, calls = 12, calls flagged for inlining = 5, calls inlined = 6, statements flattened = 48 [2021-11-23 15:55:08,488 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:55:08,489 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:55:08,489 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:55:08,489 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:55:08,495 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:08" (1/1) ... [2021-11-23 15:55:08,495 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:08" (1/1) ... [2021-11-23 15:55:08,498 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:08" (1/1) ... [2021-11-23 15:55:08,499 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:08" (1/1) ... [2021-11-23 15:55:08,507 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:08" (1/1) ... [2021-11-23 15:55:08,509 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:08" (1/1) ... [2021-11-23 15:55:08,511 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:08" (1/1) ... [2021-11-23 15:55:08,514 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:55:08,515 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:55:08,515 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:55:08,515 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:55:08,516 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:08" (1/1) ... [2021-11-23 15:55:08,522 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:55:08,534 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecf07717-606c-4caf-9130-4603ecdb6f6f/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:55:08,544 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecf07717-606c-4caf-9130-4603ecdb6f6f/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:55:08,573 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecf07717-606c-4caf-9130-4603ecdb6f6f/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:55:08,590 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 15:55:08,590 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 15:55:08,591 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 15:55:08,591 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:55:08,591 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:55:08,591 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:55:08,693 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:55:08,695 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:55:08,710 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$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 15:55:08,714 INFO L158 Benchmark]: Toolchain (without parser) took 929.76ms. Allocated memory is still 69.2MB. Free memory was 46.0MB in the beginning and 50.1MB in the end (delta: -4.2MB). Peak memory consumption was 13.1MB. Max. memory is 16.1GB. [2021-11-23 15:55:08,715 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 54.5MB. Free memory was 34.8MB in the beginning and 34.8MB in the end (delta: 38.4kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:55:08,716 INFO L158 Benchmark]: CACSL2BoogieTranslator took 645.37ms. Allocated memory is still 69.2MB. Free memory was 45.7MB in the beginning and 43.1MB in the end (delta: 2.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-23 15:55:08,716 INFO L158 Benchmark]: Boogie Procedure Inliner took 54.85ms. Allocated memory is still 69.2MB. Free memory was 43.0MB in the beginning and 41.1MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:55:08,717 INFO L158 Benchmark]: Boogie Preprocessor took 25.28ms. Allocated memory is still 69.2MB. Free memory was 41.1MB in the beginning and 39.8MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:55:08,718 INFO L158 Benchmark]: RCFGBuilder took 197.65ms. Allocated memory is still 69.2MB. Free memory was 39.7MB in the beginning and 50.1MB in the end (delta: -10.4MB). Peak memory consumption was 12.1MB. Max. memory is 16.1GB. [2021-11-23 15:55:08,722 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 54.5MB. Free memory was 34.8MB in the beginning and 34.8MB in the end (delta: 38.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 645.37ms. Allocated memory is still 69.2MB. Free memory was 45.7MB in the beginning and 43.1MB in the end (delta: 2.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 54.85ms. Allocated memory is still 69.2MB. Free memory was 43.0MB in the beginning and 41.1MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 25.28ms. Allocated memory is still 69.2MB. Free memory was 41.1MB in the beginning and 39.8MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 197.65ms. Allocated memory is still 69.2MB. Free memory was 39.7MB in the beginning and 50.1MB in the end (delta: -10.4MB). Peak memory consumption was 12.1MB. 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 15:55:08,770 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecf07717-606c-4caf-9130-4603ecdb6f6f/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