./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/forester-heap/sll-rb-sentinel-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6a47aea7 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fceca18-1a16-4455-bfb2-a4dcd56004d9/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fceca18-1a16-4455-bfb2-a4dcd56004d9/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_2fceca18-1a16-4455-bfb2-a4dcd56004d9/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fceca18-1a16-4455-bfb2-a4dcd56004d9/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/forester-heap/sll-rb-sentinel-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fceca18-1a16-4455-bfb2-a4dcd56004d9/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fceca18-1a16-4455-bfb2-a4dcd56004d9/bin/ukojak-CwSLpZB5Qu --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 503a3e49b44041609ec1bba765b53912c88abb90ff278e61e68e863904faf4bb --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:56:41,296 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:56:41,298 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:56:41,327 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:56:41,328 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:56:41,329 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:56:41,331 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:56:41,333 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:56:41,335 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:56:41,336 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:56:41,337 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:56:41,339 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:56:41,339 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:56:41,341 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:56:41,342 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:56:41,344 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:56:41,345 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:56:41,346 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:56:41,348 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:56:41,350 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:56:41,352 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:56:41,353 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:56:41,355 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:56:41,356 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:56:41,359 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:56:41,360 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:56:41,360 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:56:41,361 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:56:41,362 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:56:41,363 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:56:41,363 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:56:41,364 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:56:41,365 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:56:41,366 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:56:41,367 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:56:41,368 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:56:41,369 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:56:41,369 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:56:41,369 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:56:41,370 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:56:41,371 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:56:41,372 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fceca18-1a16-4455-bfb2-a4dcd56004d9/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:56:41,406 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:56:41,406 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:56:41,407 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:56:41,407 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:56:41,408 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:56:41,408 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:56:41,408 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:56:41,409 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:56:41,409 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:56:41,409 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:56:41,409 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:56:41,410 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:56:41,410 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:56:41,410 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:56:41,410 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:56:41,410 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:56:41,411 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:56:41,411 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:56:41,411 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:56:41,411 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:56:41,412 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:56:41,412 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:56:41,412 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:56:41,413 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:56:41,413 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:56:41,413 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:56:41,413 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:56:41,414 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:56:41,414 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_2fceca18-1a16-4455-bfb2-a4dcd56004d9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fceca18-1a16-4455-bfb2-a4dcd56004d9/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 503a3e49b44041609ec1bba765b53912c88abb90ff278e61e68e863904faf4bb [2021-11-23 15:56:41,742 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:56:41,772 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:56:41,775 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:56:41,776 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:56:41,777 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:56:41,780 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fceca18-1a16-4455-bfb2-a4dcd56004d9/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/forester-heap/sll-rb-sentinel-2.i [2021-11-23 15:56:41,863 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fceca18-1a16-4455-bfb2-a4dcd56004d9/bin/ukojak-CwSLpZB5Qu/data/1c8954bb8/2a9acb5dea924fa7a513112a802f79ef/FLAGc03ad2749 [2021-11-23 15:56:42,437 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:56:42,449 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fceca18-1a16-4455-bfb2-a4dcd56004d9/sv-benchmarks/c/forester-heap/sll-rb-sentinel-2.i [2021-11-23 15:56:42,473 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fceca18-1a16-4455-bfb2-a4dcd56004d9/bin/ukojak-CwSLpZB5Qu/data/1c8954bb8/2a9acb5dea924fa7a513112a802f79ef/FLAGc03ad2749 [2021-11-23 15:56:42,753 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fceca18-1a16-4455-bfb2-a4dcd56004d9/bin/ukojak-CwSLpZB5Qu/data/1c8954bb8/2a9acb5dea924fa7a513112a802f79ef [2021-11-23 15:56:42,757 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:56:42,759 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:56:42,761 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:56:42,761 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:56:42,764 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:56:42,765 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:56:42" (1/1) ... [2021-11-23 15:56:42,767 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6eee5779 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:42, skipping insertion in model container [2021-11-23 15:56:42,768 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:56:42" (1/1) ... [2021-11-23 15:56:42,775 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:56:42,841 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:56:43,219 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fceca18-1a16-4455-bfb2-a4dcd56004d9/sv-benchmarks/c/forester-heap/sll-rb-sentinel-2.i[22534,22547] [2021-11-23 15:56:43,222 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fceca18-1a16-4455-bfb2-a4dcd56004d9/sv-benchmarks/c/forester-heap/sll-rb-sentinel-2.i[22606,22619] [2021-11-23 15:56:43,224 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fceca18-1a16-4455-bfb2-a4dcd56004d9/sv-benchmarks/c/forester-heap/sll-rb-sentinel-2.i[22746,22759] [2021-11-23 15:56:43,224 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fceca18-1a16-4455-bfb2-a4dcd56004d9/sv-benchmarks/c/forester-heap/sll-rb-sentinel-2.i[22820,22833] [2021-11-23 15:56:43,229 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:56:43,235 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:56:43,269 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fceca18-1a16-4455-bfb2-a4dcd56004d9/sv-benchmarks/c/forester-heap/sll-rb-sentinel-2.i[22534,22547] [2021-11-23 15:56:43,270 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fceca18-1a16-4455-bfb2-a4dcd56004d9/sv-benchmarks/c/forester-heap/sll-rb-sentinel-2.i[22606,22619] [2021-11-23 15:56:43,271 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fceca18-1a16-4455-bfb2-a4dcd56004d9/sv-benchmarks/c/forester-heap/sll-rb-sentinel-2.i[22746,22759] [2021-11-23 15:56:43,272 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fceca18-1a16-4455-bfb2-a4dcd56004d9/sv-benchmarks/c/forester-heap/sll-rb-sentinel-2.i[22820,22833] [2021-11-23 15:56:43,276 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:56:43,314 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:56:43,314 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:43 WrapperNode [2021-11-23 15:56:43,315 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:56:43,316 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:56:43,316 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:56:43,316 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:56:43,325 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:43" (1/1) ... [2021-11-23 15:56:43,363 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:43" (1/1) ... [2021-11-23 15:56:43,397 INFO L137 Inliner]: procedures = 119, calls = 36, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 122 [2021-11-23 15:56:43,398 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:56:43,398 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:56:43,399 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:56:43,399 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:56:43,406 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:43" (1/1) ... [2021-11-23 15:56:43,406 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:43" (1/1) ... [2021-11-23 15:56:43,412 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:43" (1/1) ... [2021-11-23 15:56:43,413 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:43" (1/1) ... [2021-11-23 15:56:43,433 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:43" (1/1) ... [2021-11-23 15:56:43,437 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:43" (1/1) ... [2021-11-23 15:56:43,438 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:43" (1/1) ... [2021-11-23 15:56:43,444 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:56:43,446 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:56:43,446 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:56:43,446 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:56:43,447 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:43" (1/1) ... [2021-11-23 15:56:43,454 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:56:43,466 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fceca18-1a16-4455-bfb2-a4dcd56004d9/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:56:43,481 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fceca18-1a16-4455-bfb2-a4dcd56004d9/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:56:43,511 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fceca18-1a16-4455-bfb2-a4dcd56004d9/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:56:43,536 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 15:56:43,536 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 15:56:43,536 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 15:56:43,536 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:56:43,536 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 15:56:43,537 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 15:56:43,537 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:56:43,537 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:56:43,537 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:56:43,537 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:56:43,665 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:56:43,666 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:56:44,047 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:56:44,065 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$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 15:56:44,070 INFO L158 Benchmark]: Toolchain (without parser) took 1309.94ms. Allocated memory is still 115.3MB. Free memory was 80.2MB in the beginning and 63.5MB in the end (delta: 16.7MB). Peak memory consumption was 16.1MB. Max. memory is 16.1GB. [2021-11-23 15:56:44,070 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 75.5MB. Free memory was 51.0MB in the beginning and 51.0MB in the end (delta: 26.2kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:56:44,071 INFO L158 Benchmark]: CACSL2BoogieTranslator took 553.98ms. Allocated memory is still 115.3MB. Free memory was 80.0MB in the beginning and 83.2MB in the end (delta: -3.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-23 15:56:44,072 INFO L158 Benchmark]: Boogie Procedure Inliner took 82.08ms. Allocated memory is still 115.3MB. Free memory was 83.2MB in the beginning and 81.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:56:44,073 INFO L158 Benchmark]: Boogie Preprocessor took 46.22ms. Allocated memory is still 115.3MB. Free memory was 81.1MB in the beginning and 79.7MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:56:44,074 INFO L158 Benchmark]: RCFGBuilder took 622.42ms. Allocated memory is still 115.3MB. Free memory was 79.7MB in the beginning and 63.5MB in the end (delta: 16.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2021-11-23 15:56:44,077 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 75.5MB. Free memory was 51.0MB in the beginning and 51.0MB in the end (delta: 26.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 553.98ms. Allocated memory is still 115.3MB. Free memory was 80.0MB in the beginning and 83.2MB in the end (delta: -3.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 82.08ms. Allocated memory is still 115.3MB. Free memory was 83.2MB in the beginning and 81.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 46.22ms. Allocated memory is still 115.3MB. Free memory was 81.1MB in the beginning and 79.7MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 622.42ms. Allocated memory is still 115.3MB. Free memory was 79.7MB in the beginning and 63.5MB in the end (delta: 16.2MB). Peak memory consumption was 16.8MB. 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 15:56:44,124 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fceca18-1a16-4455-bfb2-a4dcd56004d9/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_2fceca18-1a16-4455-bfb2-a4dcd56004d9/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fceca18-1a16-4455-bfb2-a4dcd56004d9/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_2fceca18-1a16-4455-bfb2-a4dcd56004d9/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fceca18-1a16-4455-bfb2-a4dcd56004d9/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/forester-heap/sll-rb-sentinel-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fceca18-1a16-4455-bfb2-a4dcd56004d9/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fceca18-1a16-4455-bfb2-a4dcd56004d9/bin/ukojak-CwSLpZB5Qu --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 503a3e49b44041609ec1bba765b53912c88abb90ff278e61e68e863904faf4bb --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:56:46,432 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:56:46,435 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:56:46,485 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:56:46,486 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:56:46,490 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:56:46,492 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:56:46,496 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:56:46,499 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:56:46,504 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:56:46,507 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:56:46,509 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:56:46,509 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:56:46,512 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:56:46,514 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:56:46,518 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:56:46,519 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:56:46,520 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:56:46,522 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:56:46,531 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:56:46,533 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:56:46,535 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:56:46,538 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:56:46,539 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:56:46,548 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:56:46,548 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:56:46,549 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:56:46,551 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:56:46,551 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:56:46,552 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:56:46,553 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:56:46,553 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:56:46,555 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:56:46,556 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:56:46,557 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:56:46,558 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:56:46,558 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:56:46,559 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:56:46,559 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:56:46,561 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:56:46,561 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:56:46,562 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fceca18-1a16-4455-bfb2-a4dcd56004d9/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 15:56:46,601 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:56:46,601 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:56:46,603 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:56:46,603 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:56:46,604 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:56:46,604 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:56:46,605 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:56:46,605 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:56:46,605 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:56:46,605 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:56:46,606 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:56:46,607 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:56:46,607 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:56:46,607 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:56:46,607 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:56:46,608 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:56:46,608 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:56:46,608 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:56:46,608 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:56:46,608 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:56:46,609 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:56:46,609 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:56:46,609 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:56:46,609 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:56:46,610 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:56:46,610 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:56:46,610 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:56:46,610 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:56:46,610 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:56:46,611 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:56:46,611 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:56:46,611 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:56:46,611 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_2fceca18-1a16-4455-bfb2-a4dcd56004d9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fceca18-1a16-4455-bfb2-a4dcd56004d9/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 503a3e49b44041609ec1bba765b53912c88abb90ff278e61e68e863904faf4bb [2021-11-23 15:56:46,978 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:56:47,003 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:56:47,006 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:56:47,007 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:56:47,008 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:56:47,009 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fceca18-1a16-4455-bfb2-a4dcd56004d9/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/forester-heap/sll-rb-sentinel-2.i [2021-11-23 15:56:47,073 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fceca18-1a16-4455-bfb2-a4dcd56004d9/bin/ukojak-CwSLpZB5Qu/data/71854ea71/6e7cc04bd288419f8f677b9f686c9dae/FLAG9b04b1ecc [2021-11-23 15:56:47,656 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:56:47,656 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fceca18-1a16-4455-bfb2-a4dcd56004d9/sv-benchmarks/c/forester-heap/sll-rb-sentinel-2.i [2021-11-23 15:56:47,674 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fceca18-1a16-4455-bfb2-a4dcd56004d9/bin/ukojak-CwSLpZB5Qu/data/71854ea71/6e7cc04bd288419f8f677b9f686c9dae/FLAG9b04b1ecc [2021-11-23 15:56:47,952 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fceca18-1a16-4455-bfb2-a4dcd56004d9/bin/ukojak-CwSLpZB5Qu/data/71854ea71/6e7cc04bd288419f8f677b9f686c9dae [2021-11-23 15:56:47,954 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:56:47,956 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:56:47,957 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:56:47,957 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:56:47,962 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:56:47,963 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:56:47" (1/1) ... [2021-11-23 15:56:47,964 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@336f174d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:47, skipping insertion in model container [2021-11-23 15:56:47,964 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:56:47" (1/1) ... [2021-11-23 15:56:47,971 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:56:48,026 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:56:48,369 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fceca18-1a16-4455-bfb2-a4dcd56004d9/sv-benchmarks/c/forester-heap/sll-rb-sentinel-2.i[22534,22547] [2021-11-23 15:56:48,372 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fceca18-1a16-4455-bfb2-a4dcd56004d9/sv-benchmarks/c/forester-heap/sll-rb-sentinel-2.i[22606,22619] [2021-11-23 15:56:48,374 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fceca18-1a16-4455-bfb2-a4dcd56004d9/sv-benchmarks/c/forester-heap/sll-rb-sentinel-2.i[22746,22759] [2021-11-23 15:56:48,375 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fceca18-1a16-4455-bfb2-a4dcd56004d9/sv-benchmarks/c/forester-heap/sll-rb-sentinel-2.i[22820,22833] [2021-11-23 15:56:48,380 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:56:48,396 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:56:48,430 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fceca18-1a16-4455-bfb2-a4dcd56004d9/sv-benchmarks/c/forester-heap/sll-rb-sentinel-2.i[22534,22547] [2021-11-23 15:56:48,431 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fceca18-1a16-4455-bfb2-a4dcd56004d9/sv-benchmarks/c/forester-heap/sll-rb-sentinel-2.i[22606,22619] [2021-11-23 15:56:48,433 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fceca18-1a16-4455-bfb2-a4dcd56004d9/sv-benchmarks/c/forester-heap/sll-rb-sentinel-2.i[22746,22759] [2021-11-23 15:56:48,434 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fceca18-1a16-4455-bfb2-a4dcd56004d9/sv-benchmarks/c/forester-heap/sll-rb-sentinel-2.i[22820,22833] [2021-11-23 15:56:48,437 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:56:48,469 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:56:48,470 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:48 WrapperNode [2021-11-23 15:56:48,470 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:56:48,471 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:56:48,471 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:56:48,471 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:56:48,478 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:48" (1/1) ... [2021-11-23 15:56:48,496 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:48" (1/1) ... [2021-11-23 15:56:48,519 INFO L137 Inliner]: procedures = 122, calls = 36, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 121 [2021-11-23 15:56:48,519 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:56:48,520 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:56:48,520 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:56:48,520 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:56:48,528 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:48" (1/1) ... [2021-11-23 15:56:48,529 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:48" (1/1) ... [2021-11-23 15:56:48,533 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:48" (1/1) ... [2021-11-23 15:56:48,534 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:48" (1/1) ... [2021-11-23 15:56:48,544 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:48" (1/1) ... [2021-11-23 15:56:48,549 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:48" (1/1) ... [2021-11-23 15:56:48,552 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:48" (1/1) ... [2021-11-23 15:56:48,555 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:56:48,556 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:56:48,557 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:56:48,557 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:56:48,558 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:48" (1/1) ... [2021-11-23 15:56:48,564 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:56:48,576 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fceca18-1a16-4455-bfb2-a4dcd56004d9/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:56:48,603 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fceca18-1a16-4455-bfb2-a4dcd56004d9/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:56:48,641 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fceca18-1a16-4455-bfb2-a4dcd56004d9/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:56:48,663 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-23 15:56:48,663 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 15:56:48,664 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:56:48,664 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 15:56:48,664 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 15:56:48,664 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:56:48,664 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-23 15:56:48,664 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:56:48,665 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:56:48,665 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:56:48,790 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:56:48,792 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:56:49,239 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:56:49,257 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$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 15:56:49,263 INFO L158 Benchmark]: Toolchain (without parser) took 1306.39ms. Allocated memory was 67.1MB in the beginning and 96.5MB in the end (delta: 29.4MB). Free memory was 46.2MB in the beginning and 70.8MB in the end (delta: -24.6MB). Peak memory consumption was 18.3MB. Max. memory is 16.1GB. [2021-11-23 15:56:49,267 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 67.1MB. Free memory is still 49.0MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:56:49,269 INFO L158 Benchmark]: CACSL2BoogieTranslator took 513.25ms. Allocated memory is still 67.1MB. Free memory was 46.0MB in the beginning and 43.2MB in the end (delta: 2.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-23 15:56:49,270 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.19ms. Allocated memory is still 67.1MB. Free memory was 42.9MB in the beginning and 40.9MB in the end (delta: 2.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 15:56:49,271 INFO L158 Benchmark]: Boogie Preprocessor took 35.96ms. Allocated memory is still 67.1MB. Free memory was 40.9MB in the beginning and 39.0MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:56:49,272 INFO L158 Benchmark]: RCFGBuilder took 704.80ms. Allocated memory was 67.1MB in the beginning and 96.5MB in the end (delta: 29.4MB). Free memory was 39.0MB in the beginning and 70.8MB in the end (delta: -31.8MB). Peak memory consumption was 12.7MB. Max. memory is 16.1GB. [2021-11-23 15:56:49,276 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 67.1MB. Free memory is still 49.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 513.25ms. Allocated memory is still 67.1MB. Free memory was 46.0MB in the beginning and 43.2MB in the end (delta: 2.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 48.19ms. Allocated memory is still 67.1MB. Free memory was 42.9MB in the beginning and 40.9MB in the end (delta: 2.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 35.96ms. Allocated memory is still 67.1MB. Free memory was 40.9MB in the beginning and 39.0MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 704.80ms. Allocated memory was 67.1MB in the beginning and 96.5MB in the end (delta: 29.4MB). Free memory was 39.0MB in the beginning and 70.8MB in the end (delta: -31.8MB). Peak memory consumption was 12.7MB. 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 15:56:49,332 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fceca18-1a16-4455-bfb2-a4dcd56004d9/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