./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/array-memsafety/openbsd_cstrlen-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_9149828c-b470-4c98-864a-1ad9c8da6596/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9149828c-b470-4c98-864a-1ad9c8da6596/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_9149828c-b470-4c98-864a-1ad9c8da6596/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9149828c-b470-4c98-864a-1ad9c8da6596/bin/ukojak-CwSLpZB5Qu/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/array-memsafety/openbsd_cstrlen-alloca-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9149828c-b470-4c98-864a-1ad9c8da6596/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_9149828c-b470-4c98-864a-1ad9c8da6596/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 dd76b7822e4f01d656aa547f942373edd42b5cbb2c90dd9f0d7299ee64d98734 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:53:34,289 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:53:34,291 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:53:34,328 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:53:34,335 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:53:34,340 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:53:34,344 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:53:34,347 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:53:34,350 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:53:34,356 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:53:34,357 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:53:34,359 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:53:34,360 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:53:34,362 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:53:34,365 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:53:34,367 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:53:34,369 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:53:34,370 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:53:34,375 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:53:34,380 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:53:34,383 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:53:34,384 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:53:34,387 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:53:34,388 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:53:34,393 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:53:34,393 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:53:34,394 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:53:34,395 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:53:34,396 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:53:34,397 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:53:34,398 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:53:34,398 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:53:34,400 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:53:34,401 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:53:34,403 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:53:34,403 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:53:34,404 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:53:34,404 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:53:34,404 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:53:34,405 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:53:34,406 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:53:34,406 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9149828c-b470-4c98-864a-1ad9c8da6596/bin/ukojak-CwSLpZB5Qu/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2021-11-23 15:53:34,452 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:53:34,453 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:53:34,454 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:53:34,455 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:53:34,455 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:53:34,455 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:53:34,455 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 15:53:34,456 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:53:34,462 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:53:34,462 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:53:34,463 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-23 15:53:34,463 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-23 15:53:34,464 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-23 15:53:34,464 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:53:34,464 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:53:34,464 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:53:34,465 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:53:34,465 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:53:34,465 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:53:34,465 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:53:34,466 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:53:34,466 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:53:34,466 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:53:34,466 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:53:34,466 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_9149828c-b470-4c98-864a-1ad9c8da6596/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9149828c-b470-4c98-864a-1ad9c8da6596/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dd76b7822e4f01d656aa547f942373edd42b5cbb2c90dd9f0d7299ee64d98734 [2021-11-23 15:53:34,761 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:53:34,788 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:53:34,791 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:53:34,792 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:53:34,793 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:53:34,794 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9149828c-b470-4c98-864a-1ad9c8da6596/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/array-memsafety/openbsd_cstrlen-alloca-1.i [2021-11-23 15:53:34,868 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9149828c-b470-4c98-864a-1ad9c8da6596/bin/ukojak-CwSLpZB5Qu/data/e2cb0d762/1847ff529ef04b3eb6af4ff6280234f6/FLAGc3bc69011 [2021-11-23 15:53:35,492 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:53:35,493 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9149828c-b470-4c98-864a-1ad9c8da6596/sv-benchmarks/c/array-memsafety/openbsd_cstrlen-alloca-1.i [2021-11-23 15:53:35,514 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9149828c-b470-4c98-864a-1ad9c8da6596/bin/ukojak-CwSLpZB5Qu/data/e2cb0d762/1847ff529ef04b3eb6af4ff6280234f6/FLAGc3bc69011 [2021-11-23 15:53:35,761 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9149828c-b470-4c98-864a-1ad9c8da6596/bin/ukojak-CwSLpZB5Qu/data/e2cb0d762/1847ff529ef04b3eb6af4ff6280234f6 [2021-11-23 15:53:35,763 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:53:35,765 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:53:35,767 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:53:35,767 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:53:35,770 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:53:35,771 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:53:35" (1/1) ... [2021-11-23 15:53:35,772 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d0b37ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:35, skipping insertion in model container [2021-11-23 15:53:35,773 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:53:35" (1/1) ... [2021-11-23 15:53:35,780 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:53:35,817 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:53:36,107 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:53:36,115 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:53:36,184 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:53:36,211 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:53:36,211 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:36 WrapperNode [2021-11-23 15:53:36,211 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:53:36,213 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:53:36,213 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:53:36,213 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:53:36,220 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:36" (1/1) ... [2021-11-23 15:53:36,234 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:36" (1/1) ... [2021-11-23 15:53:36,263 INFO L137 Inliner]: procedures = 117, calls = 9, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 47 [2021-11-23 15:53:36,264 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:53:36,265 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:53:36,265 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:53:36,265 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:53:36,273 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:36" (1/1) ... [2021-11-23 15:53:36,274 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:36" (1/1) ... [2021-11-23 15:53:36,290 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:36" (1/1) ... [2021-11-23 15:53:36,291 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:36" (1/1) ... [2021-11-23 15:53:36,296 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:36" (1/1) ... [2021-11-23 15:53:36,299 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:36" (1/1) ... [2021-11-23 15:53:36,301 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:36" (1/1) ... [2021-11-23 15:53:36,303 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:53:36,304 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:53:36,304 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:53:36,304 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:53:36,305 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:36" (1/1) ... [2021-11-23 15:53:36,312 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:53:36,322 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9149828c-b470-4c98-864a-1ad9c8da6596/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:53:36,334 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9149828c-b470-4c98-864a-1ad9c8da6596/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:53:36,360 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9149828c-b470-4c98-864a-1ad9c8da6596/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:53:36,379 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 15:53:36,379 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 15:53:36,379 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 15:53:36,380 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:53:36,380 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:53:36,380 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:53:36,464 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:53:36,465 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:53:36,633 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:53:36,659 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 15:53:36,664 INFO L158 Benchmark]: Toolchain (without parser) took 897.52ms. Allocated memory is still 130.0MB. Free memory was 98.3MB in the beginning and 85.3MB in the end (delta: 13.0MB). Peak memory consumption was 11.7MB. Max. memory is 16.1GB. [2021-11-23 15:53:36,664 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 92.3MB. Free memory was 51.4MB in the beginning and 51.4MB in the end (delta: 47.6kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:53:36,665 INFO L158 Benchmark]: CACSL2BoogieTranslator took 445.00ms. Allocated memory is still 130.0MB. Free memory was 98.0MB in the beginning and 100.0MB in the end (delta: -1.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-23 15:53:36,666 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.26ms. Allocated memory is still 130.0MB. Free memory was 100.0MB in the beginning and 98.2MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:53:36,667 INFO L158 Benchmark]: Boogie Preprocessor took 38.50ms. Allocated memory is still 130.0MB. Free memory was 98.2MB in the beginning and 96.8MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:53:36,668 INFO L158 Benchmark]: RCFGBuilder took 357.87ms. Allocated memory is still 130.0MB. Free memory was 96.8MB in the beginning and 85.7MB in the end (delta: 11.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 15:53:36,672 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 92.3MB. Free memory was 51.4MB in the beginning and 51.4MB in the end (delta: 47.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 445.00ms. Allocated memory is still 130.0MB. Free memory was 98.0MB in the beginning and 100.0MB in the end (delta: -1.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 51.26ms. Allocated memory is still 130.0MB. Free memory was 100.0MB in the beginning and 98.2MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 38.50ms. Allocated memory is still 130.0MB. Free memory was 98.2MB in the beginning and 96.8MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 357.87ms. Allocated memory is still 130.0MB. Free memory was 96.8MB in the beginning and 85.7MB in the end (delta: 11.2MB). 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 15:53:36,728 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9149828c-b470-4c98-864a-1ad9c8da6596/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_9149828c-b470-4c98-864a-1ad9c8da6596/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9149828c-b470-4c98-864a-1ad9c8da6596/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_9149828c-b470-4c98-864a-1ad9c8da6596/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9149828c-b470-4c98-864a-1ad9c8da6596/bin/ukojak-CwSLpZB5Qu/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/array-memsafety/openbsd_cstrlen-alloca-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9149828c-b470-4c98-864a-1ad9c8da6596/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_9149828c-b470-4c98-864a-1ad9c8da6596/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 dd76b7822e4f01d656aa547f942373edd42b5cbb2c90dd9f0d7299ee64d98734 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:53:39,109 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:53:39,113 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:53:39,166 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:53:39,166 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:53:39,171 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:53:39,173 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:53:39,178 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:53:39,182 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:53:39,187 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:53:39,191 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:53:39,193 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:53:39,194 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:53:39,196 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:53:39,199 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:53:39,204 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:53:39,206 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:53:39,207 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:53:39,210 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:53:39,221 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:53:39,223 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:53:39,224 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:53:39,228 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:53:39,230 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:53:39,234 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:53:39,235 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:53:39,235 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:53:39,236 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:53:39,237 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:53:39,237 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:53:39,238 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:53:39,238 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:53:39,239 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:53:39,240 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:53:39,241 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:53:39,241 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:53:39,242 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:53:39,242 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:53:39,242 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:53:39,243 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:53:39,244 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:53:39,250 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9149828c-b470-4c98-864a-1ad9c8da6596/bin/ukojak-CwSLpZB5Qu/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf [2021-11-23 15:53:39,296 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:53:39,296 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:53:39,299 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:53:39,299 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:53:39,300 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:53:39,300 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:53:39,300 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 15:53:39,300 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:53:39,301 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:53:39,301 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:53:39,302 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-23 15:53:39,303 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-23 15:53:39,303 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-23 15:53:39,303 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:53:39,303 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:53:39,304 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:53:39,304 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:53:39,304 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:53:39,304 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:53:39,304 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:53:39,305 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:53:39,305 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:53:39,305 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:53:39,306 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:53:39,306 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:53:39,306 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:53:39,306 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:53:39,306 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:53:39,307 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:53:39,307 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_9149828c-b470-4c98-864a-1ad9c8da6596/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9149828c-b470-4c98-864a-1ad9c8da6596/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dd76b7822e4f01d656aa547f942373edd42b5cbb2c90dd9f0d7299ee64d98734 [2021-11-23 15:53:39,673 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:53:39,693 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:53:39,696 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:53:39,698 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:53:39,699 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:53:39,700 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9149828c-b470-4c98-864a-1ad9c8da6596/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/array-memsafety/openbsd_cstrlen-alloca-1.i [2021-11-23 15:53:39,766 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9149828c-b470-4c98-864a-1ad9c8da6596/bin/ukojak-CwSLpZB5Qu/data/b8f436bd6/750a69a210df4239a9e1153e418a7a57/FLAGfc6a283d3 [2021-11-23 15:53:40,345 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:53:40,345 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9149828c-b470-4c98-864a-1ad9c8da6596/sv-benchmarks/c/array-memsafety/openbsd_cstrlen-alloca-1.i [2021-11-23 15:53:40,364 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9149828c-b470-4c98-864a-1ad9c8da6596/bin/ukojak-CwSLpZB5Qu/data/b8f436bd6/750a69a210df4239a9e1153e418a7a57/FLAGfc6a283d3 [2021-11-23 15:53:40,620 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9149828c-b470-4c98-864a-1ad9c8da6596/bin/ukojak-CwSLpZB5Qu/data/b8f436bd6/750a69a210df4239a9e1153e418a7a57 [2021-11-23 15:53:40,622 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:53:40,624 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:53:40,625 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:53:40,626 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:53:40,629 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:53:40,630 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:53:40" (1/1) ... [2021-11-23 15:53:40,631 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6de7bc47 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:40, skipping insertion in model container [2021-11-23 15:53:40,632 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:53:40" (1/1) ... [2021-11-23 15:53:40,640 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:53:40,679 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:53:41,142 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:53:41,156 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:53:41,211 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:53:41,252 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:53:41,252 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:41 WrapperNode [2021-11-23 15:53:41,253 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:53:41,254 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:53:41,254 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:53:41,254 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:53:41,261 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:41" (1/1) ... [2021-11-23 15:53:41,295 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:41" (1/1) ... [2021-11-23 15:53:41,326 INFO L137 Inliner]: procedures = 118, calls = 9, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 46 [2021-11-23 15:53:41,328 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:53:41,329 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:53:41,329 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:53:41,329 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:53:41,337 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:41" (1/1) ... [2021-11-23 15:53:41,338 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:41" (1/1) ... [2021-11-23 15:53:41,353 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:41" (1/1) ... [2021-11-23 15:53:41,355 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:41" (1/1) ... [2021-11-23 15:53:41,362 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:41" (1/1) ... [2021-11-23 15:53:41,373 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:41" (1/1) ... [2021-11-23 15:53:41,380 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:41" (1/1) ... [2021-11-23 15:53:41,387 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:53:41,390 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:53:41,391 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:53:41,391 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:53:41,392 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:41" (1/1) ... [2021-11-23 15:53:41,400 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:53:41,411 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9149828c-b470-4c98-864a-1ad9c8da6596/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:53:41,430 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9149828c-b470-4c98-864a-1ad9c8da6596/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:53:41,455 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9149828c-b470-4c98-864a-1ad9c8da6596/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:53:41,488 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-23 15:53:41,488 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 15:53:41,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-23 15:53:41,488 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:53:41,489 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:53:41,489 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:53:41,601 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:53:41,603 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:53:41,783 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:53:41,809 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 15:53:41,813 INFO L158 Benchmark]: Toolchain (without parser) took 1188.78ms. Allocated memory is still 69.2MB. Free memory was 47.3MB in the beginning and 30.0MB in the end (delta: 17.3MB). Peak memory consumption was 13.8MB. Max. memory is 16.1GB. [2021-11-23 15:53:41,814 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 69.2MB. Free memory was 49.7MB in the beginning and 49.6MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:53:41,815 INFO L158 Benchmark]: CACSL2BoogieTranslator took 627.46ms. Allocated memory is still 69.2MB. Free memory was 47.0MB in the beginning and 45.1MB in the end (delta: 1.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 15:53:41,816 INFO L158 Benchmark]: Boogie Procedure Inliner took 74.21ms. Allocated memory is still 69.2MB. Free memory was 45.1MB in the beginning and 43.2MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:53:41,817 INFO L158 Benchmark]: Boogie Preprocessor took 60.98ms. Allocated memory is still 69.2MB. Free memory was 43.2MB in the beginning and 41.9MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:53:41,818 INFO L158 Benchmark]: RCFGBuilder took 421.47ms. Allocated memory is still 69.2MB. Free memory was 41.9MB in the beginning and 30.3MB in the end (delta: 11.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 15:53:41,821 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 69.2MB. Free memory was 49.7MB in the beginning and 49.6MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 627.46ms. Allocated memory is still 69.2MB. Free memory was 47.0MB in the beginning and 45.1MB in the end (delta: 1.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 74.21ms. Allocated memory is still 69.2MB. Free memory was 45.1MB in the beginning and 43.2MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 60.98ms. Allocated memory is still 69.2MB. Free memory was 43.2MB in the beginning and 41.9MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 421.47ms. Allocated memory is still 69.2MB. Free memory was 41.9MB in the beginning and 30.3MB in the end (delta: 11.6MB). 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 15:53:41,901 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9149828c-b470-4c98-864a-1ad9c8da6596/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