./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/memleaks_test16.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_36b304d9-0a3e-4af0-8ffc-26b3ca5a0ed7/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36b304d9-0a3e-4af0-8ffc-26b3ca5a0ed7/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_36b304d9-0a3e-4af0-8ffc-26b3ca5a0ed7/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36b304d9-0a3e-4af0-8ffc-26b3ca5a0ed7/bin/ukojak-CwSLpZB5Qu/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test16.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36b304d9-0a3e-4af0-8ffc-26b3ca5a0ed7/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_36b304d9-0a3e-4af0-8ffc-26b3ca5a0ed7/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 c11af8296bfd5ac190948fd112a042e269f74b0ed21dcbb0764a4b3dab5067a3 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:05:19,253 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:05:19,257 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:05:19,316 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:05:19,317 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:05:19,322 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:05:19,324 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:05:19,329 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:05:19,331 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:05:19,339 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:05:19,340 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:05:19,342 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:05:19,343 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:05:19,346 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:05:19,348 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:05:19,357 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:05:19,358 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:05:19,360 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:05:19,362 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:05:19,369 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:05:19,372 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:05:19,376 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:05:19,380 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:05:19,381 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:05:19,388 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:05:19,388 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:05:19,389 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:05:19,391 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:05:19,392 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:05:19,393 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:05:19,394 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:05:19,395 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:05:19,397 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:05:19,398 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:05:19,400 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:05:19,400 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:05:19,401 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:05:19,401 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:05:19,401 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:05:19,402 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:05:19,403 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:05:19,404 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36b304d9-0a3e-4af0-8ffc-26b3ca5a0ed7/bin/ukojak-CwSLpZB5Qu/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2021-11-23 15:05:19,448 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:05:19,449 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:05:19,451 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:05:19,451 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:05:19,451 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:05:19,452 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:05:19,452 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 15:05:19,452 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:05:19,452 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:05:19,452 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:05:19,454 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-23 15:05:19,460 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-23 15:05:19,461 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-23 15:05:19,461 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:05:19,461 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:05:19,461 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:05:19,462 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:05:19,462 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:05:19,462 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:05:19,462 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:05:19,463 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:05:19,463 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:05:19,463 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:05:19,463 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:05:19,464 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_36b304d9-0a3e-4af0-8ffc-26b3ca5a0ed7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36b304d9-0a3e-4af0-8ffc-26b3ca5a0ed7/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c11af8296bfd5ac190948fd112a042e269f74b0ed21dcbb0764a4b3dab5067a3 [2021-11-23 15:05:19,729 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:05:19,750 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:05:19,753 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:05:19,754 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:05:19,755 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:05:19,756 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36b304d9-0a3e-4af0-8ffc-26b3ca5a0ed7/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/ldv-memsafety/memleaks_test16.i [2021-11-23 15:05:19,824 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36b304d9-0a3e-4af0-8ffc-26b3ca5a0ed7/bin/ukojak-CwSLpZB5Qu/data/23e3033f1/717c72738e954948bd9be682616e5ba0/FLAG38663457a [2021-11-23 15:05:20,384 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:05:20,391 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36b304d9-0a3e-4af0-8ffc-26b3ca5a0ed7/sv-benchmarks/c/ldv-memsafety/memleaks_test16.i [2021-11-23 15:05:20,411 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36b304d9-0a3e-4af0-8ffc-26b3ca5a0ed7/bin/ukojak-CwSLpZB5Qu/data/23e3033f1/717c72738e954948bd9be682616e5ba0/FLAG38663457a [2021-11-23 15:05:20,668 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36b304d9-0a3e-4af0-8ffc-26b3ca5a0ed7/bin/ukojak-CwSLpZB5Qu/data/23e3033f1/717c72738e954948bd9be682616e5ba0 [2021-11-23 15:05:20,671 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:05:20,672 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:05:20,674 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:05:20,674 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:05:20,686 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:05:20,687 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:05:20" (1/1) ... [2021-11-23 15:05:20,688 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76e8490f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:20, skipping insertion in model container [2021-11-23 15:05:20,690 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:05:20" (1/1) ... [2021-11-23 15:05:20,698 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:05:20,770 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:05:21,247 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:05:21,266 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:05:21,359 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:05:21,399 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:05:21,400 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:21 WrapperNode [2021-11-23 15:05:21,400 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:05:21,401 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:05:21,401 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:05:21,402 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:05:21,409 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:21" (1/1) ... [2021-11-23 15:05:21,456 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:21" (1/1) ... [2021-11-23 15:05:21,475 INFO L137 Inliner]: procedures = 166, calls = 71, calls flagged for inlining = 31, calls inlined = 6, statements flattened = 44 [2021-11-23 15:05:21,475 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:05:21,476 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:05:21,476 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:05:21,477 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:05:21,485 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:21" (1/1) ... [2021-11-23 15:05:21,486 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:21" (1/1) ... [2021-11-23 15:05:21,488 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:21" (1/1) ... [2021-11-23 15:05:21,489 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:21" (1/1) ... [2021-11-23 15:05:21,494 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:21" (1/1) ... [2021-11-23 15:05:21,496 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:21" (1/1) ... [2021-11-23 15:05:21,497 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:21" (1/1) ... [2021-11-23 15:05:21,500 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:05:21,501 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:05:21,501 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:05:21,501 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:05:21,502 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:21" (1/1) ... [2021-11-23 15:05:21,509 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:05:21,521 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36b304d9-0a3e-4af0-8ffc-26b3ca5a0ed7/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:05:21,533 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36b304d9-0a3e-4af0-8ffc-26b3ca5a0ed7/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:05:21,536 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36b304d9-0a3e-4af0-8ffc-26b3ca5a0ed7/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:05:21,570 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 15:05:21,570 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:05:21,570 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:05:21,570 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-23 15:05:21,571 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:05:21,571 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:05:21,663 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:05:21,665 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:05:21,875 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:05:21,890 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.addAll(ImmutableSet.java:313) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.addBranchEncoders(TransFormulaBuilder.java:170) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.parallelComposition(TransFormulaUtils.java:337) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.ParallelComposition.(ParallelComposition.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CodeBlockFactory.constructParallelComposition(CodeBlockFactory.java:109) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.composeParallel(CfgBuilder.java:1792) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.(CfgBuilder.java:1653) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:280) 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$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 15:05:21,894 INFO L158 Benchmark]: Toolchain (without parser) took 1220.95ms. Allocated memory is still 104.9MB. Free memory was 60.9MB in the beginning and 51.0MB in the end (delta: 9.9MB). Peak memory consumption was 6.7MB. Max. memory is 16.1GB. [2021-11-23 15:05:21,894 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 104.9MB. Free memory is still 78.6MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:05:21,895 INFO L158 Benchmark]: CACSL2BoogieTranslator took 726.97ms. Allocated memory is still 104.9MB. Free memory was 60.7MB in the beginning and 65.1MB in the end (delta: -4.4MB). Peak memory consumption was 6.5MB. Max. memory is 16.1GB. [2021-11-23 15:05:21,896 INFO L158 Benchmark]: Boogie Procedure Inliner took 74.41ms. Allocated memory is still 104.9MB. Free memory was 65.1MB in the beginning and 62.9MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:05:21,897 INFO L158 Benchmark]: Boogie Preprocessor took 23.56ms. Allocated memory is still 104.9MB. Free memory was 62.9MB in the beginning and 61.8MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:05:21,898 INFO L158 Benchmark]: RCFGBuilder took 391.77ms. Allocated memory is still 104.9MB. Free memory was 61.8MB in the beginning and 51.0MB in the end (delta: 10.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 15:05:21,901 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 104.9MB. Free memory is still 78.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 726.97ms. Allocated memory is still 104.9MB. Free memory was 60.7MB in the beginning and 65.1MB in the end (delta: -4.4MB). Peak memory consumption was 6.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 74.41ms. Allocated memory is still 104.9MB. Free memory was 65.1MB in the beginning and 62.9MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 23.56ms. Allocated memory is still 104.9MB. Free memory was 62.9MB in the beginning and 61.8MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 391.77ms. Allocated memory is still 104.9MB. Free memory was 61.8MB in the beginning and 51.0MB in the end (delta: 10.8MB). Peak memory consumption was 10.5MB. 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.addAll(ImmutableSet.java:313) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 15:05:21,949 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36b304d9-0a3e-4af0-8ffc-26b3ca5a0ed7/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_36b304d9-0a3e-4af0-8ffc-26b3ca5a0ed7/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36b304d9-0a3e-4af0-8ffc-26b3ca5a0ed7/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_36b304d9-0a3e-4af0-8ffc-26b3ca5a0ed7/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36b304d9-0a3e-4af0-8ffc-26b3ca5a0ed7/bin/ukojak-CwSLpZB5Qu/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test16.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36b304d9-0a3e-4af0-8ffc-26b3ca5a0ed7/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_36b304d9-0a3e-4af0-8ffc-26b3ca5a0ed7/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 c11af8296bfd5ac190948fd112a042e269f74b0ed21dcbb0764a4b3dab5067a3 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:05:24,411 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:05:24,414 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:05:24,461 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:05:24,462 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:05:24,464 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:05:24,465 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:05:24,468 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:05:24,470 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:05:24,472 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:05:24,473 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:05:24,475 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:05:24,475 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:05:24,477 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:05:24,478 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:05:24,480 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:05:24,481 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:05:24,482 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:05:24,485 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:05:24,487 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:05:24,489 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:05:24,491 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:05:24,492 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:05:24,494 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:05:24,497 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:05:24,498 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:05:24,498 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:05:24,499 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:05:24,500 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:05:24,501 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:05:24,502 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:05:24,503 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:05:24,504 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:05:24,505 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:05:24,506 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:05:24,506 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:05:24,507 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:05:24,508 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:05:24,508 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:05:24,509 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:05:24,510 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:05:24,511 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36b304d9-0a3e-4af0-8ffc-26b3ca5a0ed7/bin/ukojak-CwSLpZB5Qu/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf [2021-11-23 15:05:24,538 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:05:24,539 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:05:24,540 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:05:24,541 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:05:24,541 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:05:24,542 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:05:24,542 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 15:05:24,542 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:05:24,542 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:05:24,543 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:05:24,543 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-23 15:05:24,543 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-23 15:05:24,543 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-23 15:05:24,543 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:05:24,544 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:05:24,544 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:05:24,544 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:05:24,544 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:05:24,545 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:05:24,545 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:05:24,545 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:05:24,545 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:05:24,546 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:05:24,546 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:05:24,546 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:05:24,546 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:05:24,546 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:05:24,547 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:05:24,547 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:05:24,547 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_36b304d9-0a3e-4af0-8ffc-26b3ca5a0ed7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36b304d9-0a3e-4af0-8ffc-26b3ca5a0ed7/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c11af8296bfd5ac190948fd112a042e269f74b0ed21dcbb0764a4b3dab5067a3 [2021-11-23 15:05:24,968 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:05:24,990 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:05:24,993 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:05:24,994 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:05:24,995 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:05:24,997 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36b304d9-0a3e-4af0-8ffc-26b3ca5a0ed7/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/ldv-memsafety/memleaks_test16.i [2021-11-23 15:05:25,073 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36b304d9-0a3e-4af0-8ffc-26b3ca5a0ed7/bin/ukojak-CwSLpZB5Qu/data/a0d5f8791/5e53f77445134ff1be3860422be3355f/FLAGc59722c83 [2021-11-23 15:05:25,817 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:05:25,817 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36b304d9-0a3e-4af0-8ffc-26b3ca5a0ed7/sv-benchmarks/c/ldv-memsafety/memleaks_test16.i [2021-11-23 15:05:25,836 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36b304d9-0a3e-4af0-8ffc-26b3ca5a0ed7/bin/ukojak-CwSLpZB5Qu/data/a0d5f8791/5e53f77445134ff1be3860422be3355f/FLAGc59722c83 [2021-11-23 15:05:26,032 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36b304d9-0a3e-4af0-8ffc-26b3ca5a0ed7/bin/ukojak-CwSLpZB5Qu/data/a0d5f8791/5e53f77445134ff1be3860422be3355f [2021-11-23 15:05:26,034 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:05:26,035 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:05:26,036 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:05:26,036 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:05:26,044 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:05:26,045 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:05:26" (1/1) ... [2021-11-23 15:05:26,046 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2bcc212f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:26, skipping insertion in model container [2021-11-23 15:05:26,046 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:05:26" (1/1) ... [2021-11-23 15:05:26,054 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:05:26,119 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:05:26,518 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:05:26,537 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-23 15:05:26,547 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:05:26,593 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:05:26,602 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:05:26,655 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:05:26,707 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:05:26,708 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:26 WrapperNode [2021-11-23 15:05:26,708 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:05:26,709 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:05:26,709 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:05:26,709 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:05:26,718 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:26" (1/1) ... [2021-11-23 15:05:26,744 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:26" (1/1) ... [2021-11-23 15:05:26,785 INFO L137 Inliner]: procedures = 167, calls = 71, calls flagged for inlining = 31, calls inlined = 6, statements flattened = 43 [2021-11-23 15:05:26,786 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:05:26,787 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:05:26,787 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:05:26,787 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:05:26,796 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:26" (1/1) ... [2021-11-23 15:05:26,796 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:26" (1/1) ... [2021-11-23 15:05:26,799 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:26" (1/1) ... [2021-11-23 15:05:26,799 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:26" (1/1) ... [2021-11-23 15:05:26,806 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:26" (1/1) ... [2021-11-23 15:05:26,808 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:26" (1/1) ... [2021-11-23 15:05:26,809 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:26" (1/1) ... [2021-11-23 15:05:26,812 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:05:26,813 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:05:26,813 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:05:26,814 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:05:26,814 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:26" (1/1) ... [2021-11-23 15:05:26,822 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:05:26,836 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36b304d9-0a3e-4af0-8ffc-26b3ca5a0ed7/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:05:26,849 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36b304d9-0a3e-4af0-8ffc-26b3ca5a0ed7/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:05:26,872 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36b304d9-0a3e-4af0-8ffc-26b3ca5a0ed7/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:05:26,907 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 15:05:26,908 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:05:26,908 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:05:26,909 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-23 15:05:26,909 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:05:26,909 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:05:27,077 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:05:27,090 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:05:27,225 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:05:27,262 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.addAll(ImmutableSet.java:313) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.addBranchEncoders(TransFormulaBuilder.java:170) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.parallelComposition(TransFormulaUtils.java:337) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.ParallelComposition.(ParallelComposition.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CodeBlockFactory.constructParallelComposition(CodeBlockFactory.java:109) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.composeParallel(CfgBuilder.java:1792) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.(CfgBuilder.java:1653) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:280) 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$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 15:05:27,267 INFO L158 Benchmark]: Toolchain (without parser) took 1230.83ms. Allocated memory is still 69.2MB. Free memory was 47.2MB in the beginning and 38.7MB in the end (delta: 8.5MB). Peak memory consumption was 9.2MB. Max. memory is 16.1GB. [2021-11-23 15:05:27,268 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 69.2MB. Free memory is still 49.3MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:05:27,269 INFO L158 Benchmark]: CACSL2BoogieTranslator took 671.88ms. Allocated memory is still 69.2MB. Free memory was 47.1MB in the beginning and 33.6MB in the end (delta: 13.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-11-23 15:05:27,270 INFO L158 Benchmark]: Boogie Procedure Inliner took 76.97ms. Allocated memory is still 69.2MB. Free memory was 33.6MB in the beginning and 50.9MB in the end (delta: -17.3MB). Peak memory consumption was 5.7MB. Max. memory is 16.1GB. [2021-11-23 15:05:27,270 INFO L158 Benchmark]: Boogie Preprocessor took 25.96ms. Allocated memory is still 69.2MB. Free memory was 50.9MB in the beginning and 49.4MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:05:27,279 INFO L158 Benchmark]: RCFGBuilder took 452.17ms. Allocated memory is still 69.2MB. Free memory was 49.4MB in the beginning and 38.7MB in the end (delta: 10.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 15:05:27,282 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 69.2MB. Free memory is still 49.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 671.88ms. Allocated memory is still 69.2MB. Free memory was 47.1MB in the beginning and 33.6MB in the end (delta: 13.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 76.97ms. Allocated memory is still 69.2MB. Free memory was 33.6MB in the beginning and 50.9MB in the end (delta: -17.3MB). Peak memory consumption was 5.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 25.96ms. Allocated memory is still 69.2MB. Free memory was 50.9MB in the beginning and 49.4MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 452.17ms. Allocated memory is still 69.2MB. Free memory was 49.4MB in the beginning and 38.7MB in the end (delta: 10.7MB). Peak memory consumption was 10.5MB. 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.addAll(ImmutableSet.java:313) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 15:05:27,334 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36b304d9-0a3e-4af0-8ffc-26b3ca5a0ed7/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