./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../../sv-benchmarks/c/forester-heap/sll-rb-sentinel-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (memcleanup) Using default analysis Version 6a47aea7 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29726fc-6f9a-4421-b43d-da9c87dc60e2/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29726fc-6f9a-4421-b43d-da9c87dc60e2/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_a29726fc-6f9a-4421-b43d-da9c87dc60e2/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29726fc-6f9a-4421-b43d-da9c87dc60e2/bin/ukojak-CwSLpZB5Qu/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/forester-heap/sll-rb-sentinel-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29726fc-6f9a-4421-b43d-da9c87dc60e2/bin/ukojak-CwSLpZB5Qu/config/svcomp-MemCleanup-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29726fc-6f9a-4421-b43d-da9c87dc60e2/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-memcleanup) ) --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 15:31:24,091 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:31:24,094 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:31:24,174 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:31:24,175 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:31:24,182 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:31:24,184 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:31:24,190 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:31:24,193 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:31:24,200 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:31:24,201 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:31:24,204 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:31:24,204 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:31:24,207 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:31:24,210 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:31:24,215 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:31:24,218 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:31:24,219 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:31:24,223 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:31:24,236 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:31:24,239 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:31:24,240 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:31:24,244 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:31:24,246 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:31:24,251 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:31:24,251 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:31:24,252 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:31:24,254 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:31:24,255 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:31:24,257 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:31:24,257 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:31:24,259 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:31:24,261 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:31:24,262 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:31:24,264 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:31:24,265 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:31:24,266 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:31:24,266 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:31:24,266 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:31:24,268 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:31:24,269 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:31:24,270 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29726fc-6f9a-4421-b43d-da9c87dc60e2/bin/ukojak-CwSLpZB5Qu/config/svcomp-MemCleanup-32bit-Kojak_Default.epf [2021-11-23 15:31:24,321 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:31:24,322 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:31:24,324 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:31:24,324 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:31:24,325 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:31:24,325 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:31:24,325 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 15:31:24,326 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:31:24,326 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:31:24,326 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:31:24,327 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-23 15:31:24,336 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-23 15:31:24,336 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:31:24,336 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:31:24,337 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:31:24,337 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:31:24,337 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:31:24,337 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:31:24,338 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:31:24,338 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:31:24,338 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:31:24,339 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:31:24,339 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:31:24,339 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_a29726fc-6f9a-4421-b43d-da9c87dc60e2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29726fc-6f9a-4421-b43d-da9c87dc60e2/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 503a3e49b44041609ec1bba765b53912c88abb90ff278e61e68e863904faf4bb [2021-11-23 15:31:24,753 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:31:24,812 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:31:24,816 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:31:24,819 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:31:24,820 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:31:24,821 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29726fc-6f9a-4421-b43d-da9c87dc60e2/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/forester-heap/sll-rb-sentinel-2.i [2021-11-23 15:31:24,913 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29726fc-6f9a-4421-b43d-da9c87dc60e2/bin/ukojak-CwSLpZB5Qu/data/ccb02871b/2bdeec3ed0f84307981220faac85c3a5/FLAG39874d37a [2021-11-23 15:31:25,639 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:31:25,640 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29726fc-6f9a-4421-b43d-da9c87dc60e2/sv-benchmarks/c/forester-heap/sll-rb-sentinel-2.i [2021-11-23 15:31:25,657 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29726fc-6f9a-4421-b43d-da9c87dc60e2/bin/ukojak-CwSLpZB5Qu/data/ccb02871b/2bdeec3ed0f84307981220faac85c3a5/FLAG39874d37a [2021-11-23 15:31:25,906 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29726fc-6f9a-4421-b43d-da9c87dc60e2/bin/ukojak-CwSLpZB5Qu/data/ccb02871b/2bdeec3ed0f84307981220faac85c3a5 [2021-11-23 15:31:25,909 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:31:25,911 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:31:25,916 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:31:25,917 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:31:25,925 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:31:25,926 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:31:25" (1/1) ... [2021-11-23 15:31:25,928 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a229b81 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:31:25, skipping insertion in model container [2021-11-23 15:31:25,928 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:31:25" (1/1) ... [2021-11-23 15:31:25,940 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:31:26,004 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:31:26,374 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_a29726fc-6f9a-4421-b43d-da9c87dc60e2/sv-benchmarks/c/forester-heap/sll-rb-sentinel-2.i[22534,22547] [2021-11-23 15:31:26,378 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_a29726fc-6f9a-4421-b43d-da9c87dc60e2/sv-benchmarks/c/forester-heap/sll-rb-sentinel-2.i[22606,22619] [2021-11-23 15:31:26,380 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_a29726fc-6f9a-4421-b43d-da9c87dc60e2/sv-benchmarks/c/forester-heap/sll-rb-sentinel-2.i[22746,22759] [2021-11-23 15:31:26,382 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_a29726fc-6f9a-4421-b43d-da9c87dc60e2/sv-benchmarks/c/forester-heap/sll-rb-sentinel-2.i[22820,22833] [2021-11-23 15:31:26,389 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:31:26,399 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:31:26,446 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_a29726fc-6f9a-4421-b43d-da9c87dc60e2/sv-benchmarks/c/forester-heap/sll-rb-sentinel-2.i[22534,22547] [2021-11-23 15:31:26,447 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_a29726fc-6f9a-4421-b43d-da9c87dc60e2/sv-benchmarks/c/forester-heap/sll-rb-sentinel-2.i[22606,22619] [2021-11-23 15:31:26,449 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_a29726fc-6f9a-4421-b43d-da9c87dc60e2/sv-benchmarks/c/forester-heap/sll-rb-sentinel-2.i[22746,22759] [2021-11-23 15:31:26,450 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_a29726fc-6f9a-4421-b43d-da9c87dc60e2/sv-benchmarks/c/forester-heap/sll-rb-sentinel-2.i[22820,22833] [2021-11-23 15:31:26,455 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:31:26,491 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:31:26,492 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:31:26 WrapperNode [2021-11-23 15:31:26,492 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:31:26,494 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:31:26,494 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:31:26,494 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:31:26,504 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:31:26" (1/1) ... [2021-11-23 15:31:26,522 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:31:26" (1/1) ... [2021-11-23 15:31:26,554 INFO L137 Inliner]: procedures = 119, calls = 36, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 134 [2021-11-23 15:31:26,555 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:31:26,556 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:31:26,556 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:31:26,557 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:31:26,572 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:31:26" (1/1) ... [2021-11-23 15:31:26,572 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:31:26" (1/1) ... [2021-11-23 15:31:26,578 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:31:26" (1/1) ... [2021-11-23 15:31:26,578 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:31:26" (1/1) ... [2021-11-23 15:31:26,591 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:31:26" (1/1) ... [2021-11-23 15:31:26,597 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:31:26" (1/1) ... [2021-11-23 15:31:26,600 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:31:26" (1/1) ... [2021-11-23 15:31:26,605 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:31:26,606 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:31:26,606 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:31:26,607 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:31:26,608 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:31:26" (1/1) ... [2021-11-23 15:31:26,617 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:31:26,632 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29726fc-6f9a-4421-b43d-da9c87dc60e2/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:31:26,647 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29726fc-6f9a-4421-b43d-da9c87dc60e2/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:31:26,669 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29726fc-6f9a-4421-b43d-da9c87dc60e2/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:31:26,712 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 15:31:26,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 15:31:26,716 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 15:31:26,716 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:31:26,716 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 15:31:26,716 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 15:31:26,717 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:31:26,717 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:31:26,717 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:31:26,718 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:31:26,840 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:31:26,842 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:31:27,519 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:31:27,576 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$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 15:31:27,584 INFO L158 Benchmark]: Toolchain (without parser) took 1670.03ms. Allocated memory is still 125.8MB. Free memory was 86.8MB in the beginning and 66.9MB in the end (delta: 19.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2021-11-23 15:31:27,586 INFO L158 Benchmark]: CDTParser took 0.74ms. Allocated memory is still 125.8MB. Free memory was 104.8MB in the beginning and 104.7MB in the end (delta: 88.3kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:31:27,588 INFO L158 Benchmark]: CACSL2BoogieTranslator took 576.49ms. Allocated memory is still 125.8MB. Free memory was 86.6MB in the beginning and 92.4MB in the end (delta: -5.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-23 15:31:27,590 INFO L158 Benchmark]: Boogie Procedure Inliner took 61.50ms. Allocated memory is still 125.8MB. Free memory was 92.4MB in the beginning and 90.4MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:31:27,591 INFO L158 Benchmark]: Boogie Preprocessor took 48.98ms. Allocated memory is still 125.8MB. Free memory was 90.4MB in the beginning and 88.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:31:27,593 INFO L158 Benchmark]: RCFGBuilder took 974.49ms. Allocated memory is still 125.8MB. Free memory was 88.3MB in the beginning and 66.9MB in the end (delta: 21.4MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2021-11-23 15:31:27,604 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.74ms. Allocated memory is still 125.8MB. Free memory was 104.8MB in the beginning and 104.7MB in the end (delta: 88.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 576.49ms. Allocated memory is still 125.8MB. Free memory was 86.6MB in the beginning and 92.4MB in the end (delta: -5.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 61.50ms. Allocated memory is still 125.8MB. Free memory was 92.4MB in the beginning and 90.4MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 48.98ms. Allocated memory is still 125.8MB. Free memory was 90.4MB in the beginning and 88.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 974.49ms. Allocated memory is still 125.8MB. Free memory was 88.3MB in the beginning and 66.9MB in the end (delta: 21.4MB). Peak memory consumption was 21.0MB. 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 15:31:27,667 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29726fc-6f9a-4421-b43d-da9c87dc60e2/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_a29726fc-6f9a-4421-b43d-da9c87dc60e2/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29726fc-6f9a-4421-b43d-da9c87dc60e2/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_a29726fc-6f9a-4421-b43d-da9c87dc60e2/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29726fc-6f9a-4421-b43d-da9c87dc60e2/bin/ukojak-CwSLpZB5Qu/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/forester-heap/sll-rb-sentinel-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29726fc-6f9a-4421-b43d-da9c87dc60e2/bin/ukojak-CwSLpZB5Qu/config/svcomp-MemCleanup-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29726fc-6f9a-4421-b43d-da9c87dc60e2/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-memcleanup) ) --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 15:31:30,546 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:31:30,551 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:31:30,632 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:31:30,632 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:31:30,640 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:31:30,642 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:31:30,645 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:31:30,647 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:31:30,649 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:31:30,651 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:31:30,652 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:31:30,653 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:31:30,655 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:31:30,657 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:31:30,659 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:31:30,660 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:31:30,662 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:31:30,665 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:31:30,668 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:31:30,670 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:31:30,676 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:31:30,678 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:31:30,679 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:31:30,684 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:31:30,685 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:31:30,685 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:31:30,687 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:31:30,688 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:31:30,689 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:31:30,690 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:31:30,696 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:31:30,699 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:31:30,701 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:31:30,706 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:31:30,706 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:31:30,708 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:31:30,708 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:31:30,709 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:31:30,711 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:31:30,713 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:31:30,714 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29726fc-6f9a-4421-b43d-da9c87dc60e2/bin/ukojak-CwSLpZB5Qu/config/svcomp-MemCleanup-32bit-Kojak_Bitvector.epf [2021-11-23 15:31:30,772 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:31:30,773 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:31:30,776 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:31:30,777 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:31:30,777 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:31:30,777 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:31:30,778 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 15:31:30,778 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:31:30,778 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:31:30,778 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:31:30,780 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-23 15:31:30,780 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-23 15:31:30,780 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:31:30,781 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:31:30,781 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:31:30,781 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:31:30,782 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:31:30,782 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:31:30,782 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:31:30,782 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:31:30,783 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:31:30,783 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:31:30,783 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:31:30,784 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:31:30,784 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:31:30,784 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:31:30,785 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:31:30,785 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:31:30,785 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_a29726fc-6f9a-4421-b43d-da9c87dc60e2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29726fc-6f9a-4421-b43d-da9c87dc60e2/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 503a3e49b44041609ec1bba765b53912c88abb90ff278e61e68e863904faf4bb [2021-11-23 15:31:31,300 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:31:31,338 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:31:31,343 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:31:31,344 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:31:31,346 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:31:31,348 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29726fc-6f9a-4421-b43d-da9c87dc60e2/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/forester-heap/sll-rb-sentinel-2.i [2021-11-23 15:31:31,448 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29726fc-6f9a-4421-b43d-da9c87dc60e2/bin/ukojak-CwSLpZB5Qu/data/f4e742bf4/57a79f89933b454fb2b29242ad1f5926/FLAGbf933ab29 [2021-11-23 15:31:32,191 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:31:32,193 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29726fc-6f9a-4421-b43d-da9c87dc60e2/sv-benchmarks/c/forester-heap/sll-rb-sentinel-2.i [2021-11-23 15:31:32,211 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29726fc-6f9a-4421-b43d-da9c87dc60e2/bin/ukojak-CwSLpZB5Qu/data/f4e742bf4/57a79f89933b454fb2b29242ad1f5926/FLAGbf933ab29 [2021-11-23 15:31:32,447 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29726fc-6f9a-4421-b43d-da9c87dc60e2/bin/ukojak-CwSLpZB5Qu/data/f4e742bf4/57a79f89933b454fb2b29242ad1f5926 [2021-11-23 15:31:32,450 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:31:32,451 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:31:32,453 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:31:32,454 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:31:32,457 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:31:32,458 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:31:32" (1/1) ... [2021-11-23 15:31:32,461 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34f0050e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:31:32, skipping insertion in model container [2021-11-23 15:31:32,461 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:31:32" (1/1) ... [2021-11-23 15:31:32,469 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:31:32,518 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:31:32,968 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_a29726fc-6f9a-4421-b43d-da9c87dc60e2/sv-benchmarks/c/forester-heap/sll-rb-sentinel-2.i[22534,22547] [2021-11-23 15:31:32,980 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_a29726fc-6f9a-4421-b43d-da9c87dc60e2/sv-benchmarks/c/forester-heap/sll-rb-sentinel-2.i[22606,22619] [2021-11-23 15:31:32,984 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_a29726fc-6f9a-4421-b43d-da9c87dc60e2/sv-benchmarks/c/forester-heap/sll-rb-sentinel-2.i[22746,22759] [2021-11-23 15:31:32,987 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_a29726fc-6f9a-4421-b43d-da9c87dc60e2/sv-benchmarks/c/forester-heap/sll-rb-sentinel-2.i[22820,22833] [2021-11-23 15:31:32,996 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:31:33,014 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:31:33,092 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_a29726fc-6f9a-4421-b43d-da9c87dc60e2/sv-benchmarks/c/forester-heap/sll-rb-sentinel-2.i[22534,22547] [2021-11-23 15:31:33,094 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_a29726fc-6f9a-4421-b43d-da9c87dc60e2/sv-benchmarks/c/forester-heap/sll-rb-sentinel-2.i[22606,22619] [2021-11-23 15:31:33,096 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_a29726fc-6f9a-4421-b43d-da9c87dc60e2/sv-benchmarks/c/forester-heap/sll-rb-sentinel-2.i[22746,22759] [2021-11-23 15:31:33,098 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_a29726fc-6f9a-4421-b43d-da9c87dc60e2/sv-benchmarks/c/forester-heap/sll-rb-sentinel-2.i[22820,22833] [2021-11-23 15:31:33,104 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:31:33,148 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:31:33,149 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:31:33 WrapperNode [2021-11-23 15:31:33,149 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:31:33,151 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:31:33,151 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:31:33,152 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:31:33,161 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:31:33" (1/1) ... [2021-11-23 15:31:33,185 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:31:33" (1/1) ... [2021-11-23 15:31:33,220 INFO L137 Inliner]: procedures = 122, calls = 36, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 133 [2021-11-23 15:31:33,221 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:31:33,222 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:31:33,222 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:31:33,222 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:31:33,233 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:31:33" (1/1) ... [2021-11-23 15:31:33,234 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:31:33" (1/1) ... [2021-11-23 15:31:33,240 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:31:33" (1/1) ... [2021-11-23 15:31:33,240 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:31:33" (1/1) ... [2021-11-23 15:31:33,254 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:31:33" (1/1) ... [2021-11-23 15:31:33,261 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:31:33" (1/1) ... [2021-11-23 15:31:33,263 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:31:33" (1/1) ... [2021-11-23 15:31:33,268 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:31:33,269 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:31:33,270 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:31:33,270 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:31:33,271 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:31:33" (1/1) ... [2021-11-23 15:31:33,280 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:31:33,293 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29726fc-6f9a-4421-b43d-da9c87dc60e2/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:31:33,308 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29726fc-6f9a-4421-b43d-da9c87dc60e2/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:31:33,326 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29726fc-6f9a-4421-b43d-da9c87dc60e2/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:31:33,362 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-23 15:31:33,362 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 15:31:33,366 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:31:33,366 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 15:31:33,366 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 15:31:33,367 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:31:33,368 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-23 15:31:33,368 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:31:33,368 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:31:33,369 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:31:33,565 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:31:33,567 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:31:34,384 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:31:34,428 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$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 15:31:34,445 INFO L158 Benchmark]: Toolchain (without parser) took 1993.06ms. Allocated memory was 58.7MB in the beginning and 71.3MB in the end (delta: 12.6MB). Free memory was 35.5MB in the beginning and 52.3MB in the end (delta: -16.8MB). Peak memory consumption was 16.6MB. Max. memory is 16.1GB. [2021-11-23 15:31:34,446 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 58.7MB. Free memory was 39.7MB in the beginning and 39.7MB in the end (delta: 42.7kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:31:34,447 INFO L158 Benchmark]: CACSL2BoogieTranslator took 696.52ms. Allocated memory was 58.7MB in the beginning and 71.3MB in the end (delta: 12.6MB). Free memory was 35.3MB in the beginning and 45.5MB in the end (delta: -10.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 15:31:34,448 INFO L158 Benchmark]: Boogie Procedure Inliner took 70.00ms. Allocated memory is still 71.3MB. Free memory was 45.3MB in the beginning and 43.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:31:34,449 INFO L158 Benchmark]: Boogie Preprocessor took 47.00ms. Allocated memory is still 71.3MB. Free memory was 43.2MB in the beginning and 41.4MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:31:34,450 INFO L158 Benchmark]: RCFGBuilder took 1174.04ms. Allocated memory is still 71.3MB. Free memory was 41.2MB in the beginning and 52.3MB in the end (delta: -11.1MB). Peak memory consumption was 13.3MB. Max. memory is 16.1GB. [2021-11-23 15:31:34,454 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39ms. Allocated memory is still 58.7MB. Free memory was 39.7MB in the beginning and 39.7MB in the end (delta: 42.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 696.52ms. Allocated memory was 58.7MB in the beginning and 71.3MB in the end (delta: 12.6MB). Free memory was 35.3MB in the beginning and 45.5MB in the end (delta: -10.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 70.00ms. Allocated memory is still 71.3MB. Free memory was 45.3MB in the beginning and 43.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 47.00ms. Allocated memory is still 71.3MB. Free memory was 43.2MB in the beginning and 41.4MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1174.04ms. Allocated memory is still 71.3MB. Free memory was 41.2MB in the beginning and 52.3MB in the end (delta: -11.1MB). Peak memory consumption was 13.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 15:31:34,517 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29726fc-6f9a-4421-b43d-da9c87dc60e2/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