./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/array-memsafety/openbsd_cmemset-alloca-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_cc3734d9-cf94-4e13-b007-87b8fb02d586/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3734d9-cf94-4e13-b007-87b8fb02d586/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_cc3734d9-cf94-4e13-b007-87b8fb02d586/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3734d9-cf94-4e13-b007-87b8fb02d586/bin/ukojak-CwSLpZB5Qu/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/array-memsafety/openbsd_cmemset-alloca-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3734d9-cf94-4e13-b007-87b8fb02d586/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_cc3734d9-cf94-4e13-b007-87b8fb02d586/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 eba94063d18105b44b9503ed48a138d00b9b850cd51aae19571aab60c15e268e --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:54:36,362 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:54:36,366 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:54:36,434 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:54:36,435 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:54:36,442 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:54:36,446 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:54:36,451 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:54:36,454 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:54:36,464 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:54:36,465 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:54:36,468 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:54:36,468 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:54:36,471 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:54:36,472 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:54:36,474 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:54:36,475 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:54:36,476 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:54:36,479 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:54:36,482 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:54:36,485 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:54:36,487 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:54:36,489 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:54:36,490 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:54:36,495 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:54:36,495 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:54:36,496 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:54:36,497 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:54:36,498 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:54:36,500 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:54:36,500 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:54:36,501 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:54:36,503 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:54:36,504 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:54:36,505 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:54:36,506 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:54:36,507 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:54:36,508 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:54:36,508 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:54:36,509 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:54:36,510 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:54:36,512 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3734d9-cf94-4e13-b007-87b8fb02d586/bin/ukojak-CwSLpZB5Qu/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2021-11-23 15:54:36,544 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:54:36,544 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:54:36,550 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:54:36,551 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:54:36,551 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:54:36,551 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:54:36,551 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 15:54:36,552 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:54:36,552 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:54:36,552 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:54:36,552 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-23 15:54:36,553 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-23 15:54:36,553 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-23 15:54:36,553 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:54:36,553 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:54:36,553 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:54:36,554 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:54:36,554 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:54:36,554 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:54:36,554 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:54:36,555 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:54:36,555 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:54:36,555 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:54:36,556 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:54:36,556 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_cc3734d9-cf94-4e13-b007-87b8fb02d586/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3734d9-cf94-4e13-b007-87b8fb02d586/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> eba94063d18105b44b9503ed48a138d00b9b850cd51aae19571aab60c15e268e [2021-11-23 15:54:36,901 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:54:36,936 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:54:36,939 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:54:36,941 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:54:36,942 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:54:36,943 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3734d9-cf94-4e13-b007-87b8fb02d586/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/array-memsafety/openbsd_cmemset-alloca-1.i [2021-11-23 15:54:37,045 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3734d9-cf94-4e13-b007-87b8fb02d586/bin/ukojak-CwSLpZB5Qu/data/4c72170fa/a4abc40d18e946fe9331d5cc01098b27/FLAG33ecd6462 [2021-11-23 15:54:37,805 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:54:37,806 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3734d9-cf94-4e13-b007-87b8fb02d586/sv-benchmarks/c/array-memsafety/openbsd_cmemset-alloca-1.i [2021-11-23 15:54:37,833 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3734d9-cf94-4e13-b007-87b8fb02d586/bin/ukojak-CwSLpZB5Qu/data/4c72170fa/a4abc40d18e946fe9331d5cc01098b27/FLAG33ecd6462 [2021-11-23 15:54:38,043 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3734d9-cf94-4e13-b007-87b8fb02d586/bin/ukojak-CwSLpZB5Qu/data/4c72170fa/a4abc40d18e946fe9331d5cc01098b27 [2021-11-23 15:54:38,050 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:54:38,051 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:54:38,057 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:54:38,058 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:54:38,062 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:54:38,063 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:54:38" (1/1) ... [2021-11-23 15:54:38,064 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2edf95f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:38, skipping insertion in model container [2021-11-23 15:54:38,065 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:54:38" (1/1) ... [2021-11-23 15:54:38,074 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:54:38,119 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:54:38,524 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:54:38,533 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:54:38,613 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:54:38,658 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:54:38,659 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:38 WrapperNode [2021-11-23 15:54:38,659 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:54:38,660 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:54:38,660 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:54:38,661 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:54:38,669 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:38" (1/1) ... [2021-11-23 15:54:38,710 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:38" (1/1) ... [2021-11-23 15:54:38,734 INFO L137 Inliner]: procedures = 116, calls = 7, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 47 [2021-11-23 15:54:38,737 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:54:38,738 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:54:38,738 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:54:38,739 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:54:38,748 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:38" (1/1) ... [2021-11-23 15:54:38,750 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:38" (1/1) ... [2021-11-23 15:54:38,758 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:38" (1/1) ... [2021-11-23 15:54:38,759 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:38" (1/1) ... [2021-11-23 15:54:38,763 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:38" (1/1) ... [2021-11-23 15:54:38,767 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:38" (1/1) ... [2021-11-23 15:54:38,768 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:38" (1/1) ... [2021-11-23 15:54:38,771 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:54:38,772 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:54:38,772 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:54:38,772 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:54:38,785 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:38" (1/1) ... [2021-11-23 15:54:38,792 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:54:38,803 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3734d9-cf94-4e13-b007-87b8fb02d586/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:54:38,816 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3734d9-cf94-4e13-b007-87b8fb02d586/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:54:38,832 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3734d9-cf94-4e13-b007-87b8fb02d586/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:54:38,865 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 15:54:38,866 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 15:54:38,866 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:54:38,866 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:54:38,866 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:54:38,963 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:54:38,965 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:54:39,113 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:54:39,137 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 15:54:39,143 INFO L158 Benchmark]: Toolchain (without parser) took 1090.83ms. Allocated memory is still 115.3MB. Free memory was 76.8MB in the beginning and 69.0MB in the end (delta: 7.8MB). Peak memory consumption was 6.0MB. Max. memory is 16.1GB. [2021-11-23 15:54:39,144 INFO L158 Benchmark]: CDTParser took 0.70ms. Allocated memory is still 115.3MB. Free memory is still 93.8MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:54:39,145 INFO L158 Benchmark]: CACSL2BoogieTranslator took 601.91ms. Allocated memory is still 115.3MB. Free memory was 76.6MB in the beginning and 83.1MB in the end (delta: -6.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 15:54:39,146 INFO L158 Benchmark]: Boogie Procedure Inliner took 76.98ms. Allocated memory is still 115.3MB. Free memory was 83.1MB in the beginning and 80.9MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:54:39,147 INFO L158 Benchmark]: Boogie Preprocessor took 32.63ms. Allocated memory is still 115.3MB. Free memory was 80.9MB in the beginning and 79.9MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:54:39,148 INFO L158 Benchmark]: RCFGBuilder took 369.52ms. Allocated memory is still 115.3MB. Free memory was 79.9MB in the beginning and 69.0MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 15:54:39,153 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.70ms. Allocated memory is still 115.3MB. Free memory is still 93.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 601.91ms. Allocated memory is still 115.3MB. Free memory was 76.6MB in the beginning and 83.1MB in the end (delta: -6.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 76.98ms. Allocated memory is still 115.3MB. Free memory was 83.1MB in the beginning and 80.9MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 32.63ms. Allocated memory is still 115.3MB. Free memory was 80.9MB in the beginning and 79.9MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 369.52ms. Allocated memory is still 115.3MB. Free memory was 79.9MB in the beginning and 69.0MB in the end (delta: 11.0MB). 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 15:54:39,240 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3734d9-cf94-4e13-b007-87b8fb02d586/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_cc3734d9-cf94-4e13-b007-87b8fb02d586/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3734d9-cf94-4e13-b007-87b8fb02d586/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_cc3734d9-cf94-4e13-b007-87b8fb02d586/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3734d9-cf94-4e13-b007-87b8fb02d586/bin/ukojak-CwSLpZB5Qu/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/array-memsafety/openbsd_cmemset-alloca-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3734d9-cf94-4e13-b007-87b8fb02d586/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_cc3734d9-cf94-4e13-b007-87b8fb02d586/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 eba94063d18105b44b9503ed48a138d00b9b850cd51aae19571aab60c15e268e --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:54:42,241 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:54:42,245 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:54:42,319 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:54:42,320 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:54:42,326 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:54:42,329 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:54:42,336 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:54:42,340 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:54:42,349 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:54:42,355 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:54:42,358 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:54:42,360 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:54:42,362 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:54:42,365 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:54:42,369 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:54:42,372 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:54:42,374 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:54:42,390 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:54:42,393 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:54:42,402 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:54:42,404 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:54:42,407 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:54:42,411 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:54:42,419 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:54:42,420 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:54:42,421 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:54:42,423 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:54:42,424 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:54:42,426 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:54:42,426 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:54:42,428 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:54:42,430 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:54:42,431 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:54:42,434 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:54:42,434 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:54:42,435 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:54:42,436 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:54:42,436 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:54:42,438 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:54:42,439 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:54:42,441 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3734d9-cf94-4e13-b007-87b8fb02d586/bin/ukojak-CwSLpZB5Qu/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf [2021-11-23 15:54:42,480 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:54:42,480 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:54:42,482 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:54:42,482 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:54:42,483 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:54:42,483 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:54:42,483 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 15:54:42,484 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:54:42,484 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:54:42,484 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:54:42,485 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-23 15:54:42,485 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-23 15:54:42,485 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-23 15:54:42,486 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:54:42,486 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:54:42,486 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:54:42,486 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:54:42,487 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:54:42,487 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:54:42,487 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:54:42,488 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:54:42,488 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:54:42,488 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:54:42,489 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:54:42,489 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:54:42,489 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:54:42,490 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:54:42,490 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:54:42,490 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:54:42,491 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_cc3734d9-cf94-4e13-b007-87b8fb02d586/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3734d9-cf94-4e13-b007-87b8fb02d586/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> eba94063d18105b44b9503ed48a138d00b9b850cd51aae19571aab60c15e268e [2021-11-23 15:54:42,951 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:54:42,991 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:54:42,997 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:54:42,999 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:54:43,002 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:54:43,004 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3734d9-cf94-4e13-b007-87b8fb02d586/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/array-memsafety/openbsd_cmemset-alloca-1.i [2021-11-23 15:54:43,098 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3734d9-cf94-4e13-b007-87b8fb02d586/bin/ukojak-CwSLpZB5Qu/data/7f553c10b/e1d63e2506464332b09a0311fec9c662/FLAG6d8f84af9 [2021-11-23 15:54:43,925 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:54:43,931 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3734d9-cf94-4e13-b007-87b8fb02d586/sv-benchmarks/c/array-memsafety/openbsd_cmemset-alloca-1.i [2021-11-23 15:54:43,948 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3734d9-cf94-4e13-b007-87b8fb02d586/bin/ukojak-CwSLpZB5Qu/data/7f553c10b/e1d63e2506464332b09a0311fec9c662/FLAG6d8f84af9 [2021-11-23 15:54:44,151 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3734d9-cf94-4e13-b007-87b8fb02d586/bin/ukojak-CwSLpZB5Qu/data/7f553c10b/e1d63e2506464332b09a0311fec9c662 [2021-11-23 15:54:44,154 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:54:44,157 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:54:44,162 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:54:44,163 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:54:44,168 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:54:44,169 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:54:44" (1/1) ... [2021-11-23 15:54:44,171 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@721a05f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:44, skipping insertion in model container [2021-11-23 15:54:44,172 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:54:44" (1/1) ... [2021-11-23 15:54:44,181 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:54:44,253 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:54:44,701 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:54:44,718 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:54:44,794 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:54:44,838 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:54:44,839 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:44 WrapperNode [2021-11-23 15:54:44,839 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:54:44,841 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:54:44,841 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:54:44,841 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:54:44,849 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:44" (1/1) ... [2021-11-23 15:54:44,891 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:44" (1/1) ... [2021-11-23 15:54:44,922 INFO L137 Inliner]: procedures = 117, calls = 7, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 45 [2021-11-23 15:54:44,922 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:54:44,924 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:54:44,924 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:54:44,924 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:54:44,934 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:44" (1/1) ... [2021-11-23 15:54:44,934 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:44" (1/1) ... [2021-11-23 15:54:44,953 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:44" (1/1) ... [2021-11-23 15:54:44,955 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:44" (1/1) ... [2021-11-23 15:54:44,962 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:44" (1/1) ... [2021-11-23 15:54:44,973 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:44" (1/1) ... [2021-11-23 15:54:44,977 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:44" (1/1) ... [2021-11-23 15:54:44,986 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:54:44,990 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:54:44,991 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:54:44,991 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:54:44,992 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:44" (1/1) ... [2021-11-23 15:54:45,002 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:54:45,016 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3734d9-cf94-4e13-b007-87b8fb02d586/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:54:45,029 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3734d9-cf94-4e13-b007-87b8fb02d586/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:54:45,053 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3734d9-cf94-4e13-b007-87b8fb02d586/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:54:45,102 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 15:54:45,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-23 15:54:45,102 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:54:45,102 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:54:45,103 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:54:45,278 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:54:45,280 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:54:45,523 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:54:45,545 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 15:54:45,554 INFO L158 Benchmark]: Toolchain (without parser) took 1392.27ms. Allocated memory is still 62.9MB. Free memory was 41.0MB in the beginning and 26.3MB in the end (delta: 14.8MB). Peak memory consumption was 12.1MB. Max. memory is 16.1GB. [2021-11-23 15:54:45,555 INFO L158 Benchmark]: CDTParser took 0.41ms. Allocated memory is still 62.9MB. Free memory is still 42.5MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:54:45,556 INFO L158 Benchmark]: CACSL2BoogieTranslator took 677.57ms. Allocated memory is still 62.9MB. Free memory was 40.8MB in the beginning and 39.7MB in the end (delta: 1.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 15:54:45,557 INFO L158 Benchmark]: Boogie Procedure Inliner took 82.60ms. Allocated memory is still 62.9MB. Free memory was 39.7MB in the beginning and 37.9MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:54:45,558 INFO L158 Benchmark]: Boogie Preprocessor took 65.27ms. Allocated memory is still 62.9MB. Free memory was 37.9MB in the beginning and 36.6MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:54:45,559 INFO L158 Benchmark]: RCFGBuilder took 558.21ms. Allocated memory is still 62.9MB. Free memory was 36.4MB in the beginning and 26.3MB in the end (delta: 10.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 15:54:45,562 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.41ms. Allocated memory is still 62.9MB. Free memory is still 42.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 677.57ms. Allocated memory is still 62.9MB. Free memory was 40.8MB in the beginning and 39.7MB in the end (delta: 1.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 82.60ms. Allocated memory is still 62.9MB. Free memory was 39.7MB in the beginning and 37.9MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 65.27ms. Allocated memory is still 62.9MB. Free memory was 37.9MB in the beginning and 36.6MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 558.21ms. Allocated memory is still 62.9MB. Free memory was 36.4MB in the beginning and 26.3MB in the end (delta: 10.1MB). 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 15:54:45,617 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc3734d9-cf94-4e13-b007-87b8fb02d586/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with 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