./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/forester-heap/sll-sorted-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 6a47aea7 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2b7474b-49c8-49e9-9d4e-3361dffa1746/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2b7474b-49c8-49e9-9d4e-3361dffa1746/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_a2b7474b-49c8-49e9-9d4e-3361dffa1746/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2b7474b-49c8-49e9-9d4e-3361dffa1746/bin/ukojak-CwSLpZB5Qu/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/forester-heap/sll-sorted-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2b7474b-49c8-49e9-9d4e-3361dffa1746/bin/ukojak-CwSLpZB5Qu/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2b7474b-49c8-49e9-9d4e-3361dffa1746/bin/ukojak-CwSLpZB5Qu --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 618946a6e113450d0f3efa55a455801e1c2225c3ba6f88e87a9e8ad02019b85f --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:01:39,497 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:01:39,501 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:01:39,559 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:01:39,559 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:01:39,565 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:01:39,567 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:01:39,572 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:01:39,574 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:01:39,582 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:01:39,583 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:01:39,585 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:01:39,586 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:01:39,589 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:01:39,591 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:01:39,597 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:01:39,599 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:01:39,601 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:01:39,604 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:01:39,614 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:01:39,616 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:01:39,618 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:01:39,621 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:01:39,622 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:01:39,627 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:01:39,627 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:01:39,627 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:01:39,630 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:01:39,630 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:01:39,632 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:01:39,632 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:01:39,633 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:01:39,636 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:01:39,637 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:01:39,639 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:01:39,639 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:01:39,640 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:01:39,640 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:01:39,640 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:01:39,641 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:01:39,642 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:01:39,644 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2b7474b-49c8-49e9-9d4e-3361dffa1746/bin/ukojak-CwSLpZB5Qu/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2021-11-23 15:01:39,687 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:01:39,687 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:01:39,689 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:01:39,689 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:01:39,690 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:01:39,690 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:01:39,690 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 15:01:39,690 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:01:39,696 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:01:39,697 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:01:39,698 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-23 15:01:39,698 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-23 15:01:39,699 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-23 15:01:39,699 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:01:39,699 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:01:39,699 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:01:39,699 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:01:39,700 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:01:39,700 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:01:39,700 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:01:39,700 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:01:39,701 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:01:39,701 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:01:39,701 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:01:39,701 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_a2b7474b-49c8-49e9-9d4e-3361dffa1746/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2b7474b-49c8-49e9-9d4e-3361dffa1746/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 618946a6e113450d0f3efa55a455801e1c2225c3ba6f88e87a9e8ad02019b85f [2021-11-23 15:01:40,060 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:01:40,094 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:01:40,097 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:01:40,098 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:01:40,099 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:01:40,100 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2b7474b-49c8-49e9-9d4e-3361dffa1746/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/forester-heap/sll-sorted-2.i [2021-11-23 15:01:40,187 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2b7474b-49c8-49e9-9d4e-3361dffa1746/bin/ukojak-CwSLpZB5Qu/data/84a13f70e/e5319c17e8334abb9b96fd92b61d5f8f/FLAG529553361 [2021-11-23 15:01:40,814 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:01:40,819 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2b7474b-49c8-49e9-9d4e-3361dffa1746/sv-benchmarks/c/forester-heap/sll-sorted-2.i [2021-11-23 15:01:40,847 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2b7474b-49c8-49e9-9d4e-3361dffa1746/bin/ukojak-CwSLpZB5Qu/data/84a13f70e/e5319c17e8334abb9b96fd92b61d5f8f/FLAG529553361 [2021-11-23 15:01:41,083 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2b7474b-49c8-49e9-9d4e-3361dffa1746/bin/ukojak-CwSLpZB5Qu/data/84a13f70e/e5319c17e8334abb9b96fd92b61d5f8f [2021-11-23 15:01:41,086 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:01:41,089 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:01:41,092 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:01:41,092 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:01:41,095 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:01:41,096 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:01:41" (1/1) ... [2021-11-23 15:01:41,098 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6498d3a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:41, skipping insertion in model container [2021-11-23 15:01:41,099 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:01:41" (1/1) ... [2021-11-23 15:01:41,106 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:01:41,171 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:01:41,526 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_a2b7474b-49c8-49e9-9d4e-3361dffa1746/sv-benchmarks/c/forester-heap/sll-sorted-2.i[22317,22330] [2021-11-23 15:01:41,539 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_a2b7474b-49c8-49e9-9d4e-3361dffa1746/sv-benchmarks/c/forester-heap/sll-sorted-2.i[22452,22465] [2021-11-23 15:01:41,541 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_a2b7474b-49c8-49e9-9d4e-3361dffa1746/sv-benchmarks/c/forester-heap/sll-sorted-2.i[22612,22625] [2021-11-23 15:01:41,545 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_a2b7474b-49c8-49e9-9d4e-3361dffa1746/sv-benchmarks/c/forester-heap/sll-sorted-2.i[22941,22954] [2021-11-23 15:01:41,546 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_a2b7474b-49c8-49e9-9d4e-3361dffa1746/sv-benchmarks/c/forester-heap/sll-sorted-2.i[23005,23018] [2021-11-23 15:01:41,548 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_a2b7474b-49c8-49e9-9d4e-3361dffa1746/sv-benchmarks/c/forester-heap/sll-sorted-2.i[23136,23149] [2021-11-23 15:01:41,549 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_a2b7474b-49c8-49e9-9d4e-3361dffa1746/sv-benchmarks/c/forester-heap/sll-sorted-2.i[23200,23213] [2021-11-23 15:01:41,553 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:01:41,562 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:01:41,596 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_a2b7474b-49c8-49e9-9d4e-3361dffa1746/sv-benchmarks/c/forester-heap/sll-sorted-2.i[22317,22330] [2021-11-23 15:01:41,598 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_a2b7474b-49c8-49e9-9d4e-3361dffa1746/sv-benchmarks/c/forester-heap/sll-sorted-2.i[22452,22465] [2021-11-23 15:01:41,601 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_a2b7474b-49c8-49e9-9d4e-3361dffa1746/sv-benchmarks/c/forester-heap/sll-sorted-2.i[22612,22625] [2021-11-23 15:01:41,604 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_a2b7474b-49c8-49e9-9d4e-3361dffa1746/sv-benchmarks/c/forester-heap/sll-sorted-2.i[22941,22954] [2021-11-23 15:01:41,605 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_a2b7474b-49c8-49e9-9d4e-3361dffa1746/sv-benchmarks/c/forester-heap/sll-sorted-2.i[23005,23018] [2021-11-23 15:01:41,607 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_a2b7474b-49c8-49e9-9d4e-3361dffa1746/sv-benchmarks/c/forester-heap/sll-sorted-2.i[23136,23149] [2021-11-23 15:01:41,619 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_a2b7474b-49c8-49e9-9d4e-3361dffa1746/sv-benchmarks/c/forester-heap/sll-sorted-2.i[23200,23213] [2021-11-23 15:01:41,623 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:01:41,659 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:01:41,659 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:41 WrapperNode [2021-11-23 15:01:41,660 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:01:41,661 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:01:41,661 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:01:41,661 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:01:41,668 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:41" (1/1) ... [2021-11-23 15:01:41,683 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:41" (1/1) ... [2021-11-23 15:01:41,716 INFO L137 Inliner]: procedures = 119, calls = 40, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 199 [2021-11-23 15:01:41,717 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:01:41,718 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:01:41,718 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:01:41,718 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:01:41,731 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:41" (1/1) ... [2021-11-23 15:01:41,732 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:41" (1/1) ... [2021-11-23 15:01:41,745 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:41" (1/1) ... [2021-11-23 15:01:41,746 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:41" (1/1) ... [2021-11-23 15:01:41,764 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:41" (1/1) ... [2021-11-23 15:01:41,777 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:41" (1/1) ... [2021-11-23 15:01:41,780 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:41" (1/1) ... [2021-11-23 15:01:41,784 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:01:41,785 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:01:41,785 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:01:41,785 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:01:41,791 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:41" (1/1) ... [2021-11-23 15:01:41,803 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:01:41,819 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2b7474b-49c8-49e9-9d4e-3361dffa1746/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:01:41,834 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2b7474b-49c8-49e9-9d4e-3361dffa1746/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:01:41,836 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2b7474b-49c8-49e9-9d4e-3361dffa1746/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:01:41,876 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 15:01:41,877 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 15:01:41,877 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 15:01:41,877 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:01:41,877 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 15:01:41,878 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 15:01:41,878 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:01:41,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:01:41,878 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:01:41,878 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:01:41,978 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:01:41,980 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:01:42,622 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:01:42,666 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$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 15:01:42,670 INFO L158 Benchmark]: Toolchain (without parser) took 1579.70ms. Allocated memory was 94.4MB in the beginning and 117.4MB in the end (delta: 23.1MB). Free memory was 59.0MB in the beginning and 54.6MB in the end (delta: 4.4MB). Peak memory consumption was 26.8MB. Max. memory is 16.1GB. [2021-11-23 15:01:42,671 INFO L158 Benchmark]: CDTParser took 0.52ms. Allocated memory is still 94.4MB. Free memory was 65.0MB in the beginning and 65.0MB in the end (delta: 27.9kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:01:42,672 INFO L158 Benchmark]: CACSL2BoogieTranslator took 568.02ms. Allocated memory was 94.4MB in the beginning and 117.4MB in the end (delta: 23.1MB). Free memory was 58.8MB in the beginning and 83.4MB in the end (delta: -24.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 15:01:42,673 INFO L158 Benchmark]: Boogie Procedure Inliner took 56.46ms. Allocated memory is still 117.4MB. Free memory was 83.4MB in the beginning and 81.3MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:01:42,673 INFO L158 Benchmark]: Boogie Preprocessor took 66.35ms. Allocated memory is still 117.4MB. Free memory was 81.3MB in the beginning and 79.2MB in the end (delta: 2.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 15:01:42,674 INFO L158 Benchmark]: RCFGBuilder took 883.36ms. Allocated memory is still 117.4MB. Free memory was 79.2MB in the beginning and 54.6MB in the end (delta: 24.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2021-11-23 15:01:42,678 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.52ms. Allocated memory is still 94.4MB. Free memory was 65.0MB in the beginning and 65.0MB in the end (delta: 27.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 568.02ms. Allocated memory was 94.4MB in the beginning and 117.4MB in the end (delta: 23.1MB). Free memory was 58.8MB in the beginning and 83.4MB in the end (delta: -24.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 56.46ms. Allocated memory is still 117.4MB. Free memory was 83.4MB in the beginning and 81.3MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 66.35ms. Allocated memory is still 117.4MB. Free memory was 81.3MB in the beginning and 79.2MB in the end (delta: 2.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 883.36ms. Allocated memory is still 117.4MB. Free memory was 79.2MB in the beginning and 54.6MB in the end (delta: 24.6MB). Peak memory consumption was 25.2MB. 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 15:01:42,727 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2b7474b-49c8-49e9-9d4e-3361dffa1746/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_a2b7474b-49c8-49e9-9d4e-3361dffa1746/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2b7474b-49c8-49e9-9d4e-3361dffa1746/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_a2b7474b-49c8-49e9-9d4e-3361dffa1746/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2b7474b-49c8-49e9-9d4e-3361dffa1746/bin/ukojak-CwSLpZB5Qu/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/forester-heap/sll-sorted-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2b7474b-49c8-49e9-9d4e-3361dffa1746/bin/ukojak-CwSLpZB5Qu/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2b7474b-49c8-49e9-9d4e-3361dffa1746/bin/ukojak-CwSLpZB5Qu --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 618946a6e113450d0f3efa55a455801e1c2225c3ba6f88e87a9e8ad02019b85f --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:01:45,358 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:01:45,361 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:01:45,411 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:01:45,412 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:01:45,416 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:01:45,418 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:01:45,423 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:01:45,426 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:01:45,432 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:01:45,436 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:01:45,438 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:01:45,439 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:01:45,441 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:01:45,444 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:01:45,448 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:01:45,450 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:01:45,451 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:01:45,460 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:01:45,469 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:01:45,471 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:01:45,473 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:01:45,476 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:01:45,479 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:01:45,488 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:01:45,489 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:01:45,489 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:01:45,491 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:01:45,492 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:01:45,493 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:01:45,494 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:01:45,495 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:01:45,498 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:01:45,499 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:01:45,501 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:01:45,501 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:01:45,502 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:01:45,503 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:01:45,503 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:01:45,505 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:01:45,506 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:01:45,507 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2b7474b-49c8-49e9-9d4e-3361dffa1746/bin/ukojak-CwSLpZB5Qu/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf [2021-11-23 15:01:45,555 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:01:45,555 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:01:45,558 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:01:45,558 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:01:45,558 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:01:45,559 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:01:45,559 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 15:01:45,559 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:01:45,559 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:01:45,560 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:01:45,561 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-23 15:01:45,561 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-23 15:01:45,561 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-23 15:01:45,562 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:01:45,562 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:01:45,562 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:01:45,562 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:01:45,563 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:01:45,563 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:01:45,563 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:01:45,563 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:01:45,564 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:01:45,564 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:01:45,564 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:01:45,564 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:01:45,565 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:01:45,565 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:01:45,565 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:01:45,565 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:01:45,566 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_a2b7474b-49c8-49e9-9d4e-3361dffa1746/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2b7474b-49c8-49e9-9d4e-3361dffa1746/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 618946a6e113450d0f3efa55a455801e1c2225c3ba6f88e87a9e8ad02019b85f [2021-11-23 15:01:45,916 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:01:45,942 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:01:45,946 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:01:45,947 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:01:45,948 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:01:45,950 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2b7474b-49c8-49e9-9d4e-3361dffa1746/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/forester-heap/sll-sorted-2.i [2021-11-23 15:01:46,026 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2b7474b-49c8-49e9-9d4e-3361dffa1746/bin/ukojak-CwSLpZB5Qu/data/394de65b9/86f343c73af94703a0dd2d2784354bef/FLAG868690019 [2021-11-23 15:01:46,597 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:01:46,600 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2b7474b-49c8-49e9-9d4e-3361dffa1746/sv-benchmarks/c/forester-heap/sll-sorted-2.i [2021-11-23 15:01:46,621 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2b7474b-49c8-49e9-9d4e-3361dffa1746/bin/ukojak-CwSLpZB5Qu/data/394de65b9/86f343c73af94703a0dd2d2784354bef/FLAG868690019 [2021-11-23 15:01:46,908 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2b7474b-49c8-49e9-9d4e-3361dffa1746/bin/ukojak-CwSLpZB5Qu/data/394de65b9/86f343c73af94703a0dd2d2784354bef [2021-11-23 15:01:46,910 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:01:46,912 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:01:46,913 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:01:46,913 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:01:46,918 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:01:46,919 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:01:46" (1/1) ... [2021-11-23 15:01:46,920 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e7a1733 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:46, skipping insertion in model container [2021-11-23 15:01:46,920 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:01:46" (1/1) ... [2021-11-23 15:01:46,930 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:01:46,991 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:01:47,323 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_a2b7474b-49c8-49e9-9d4e-3361dffa1746/sv-benchmarks/c/forester-heap/sll-sorted-2.i[22317,22330] [2021-11-23 15:01:47,332 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_a2b7474b-49c8-49e9-9d4e-3361dffa1746/sv-benchmarks/c/forester-heap/sll-sorted-2.i[22452,22465] [2021-11-23 15:01:47,335 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_a2b7474b-49c8-49e9-9d4e-3361dffa1746/sv-benchmarks/c/forester-heap/sll-sorted-2.i[22612,22625] [2021-11-23 15:01:47,342 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_a2b7474b-49c8-49e9-9d4e-3361dffa1746/sv-benchmarks/c/forester-heap/sll-sorted-2.i[22941,22954] [2021-11-23 15:01:47,347 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_a2b7474b-49c8-49e9-9d4e-3361dffa1746/sv-benchmarks/c/forester-heap/sll-sorted-2.i[23005,23018] [2021-11-23 15:01:47,351 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_a2b7474b-49c8-49e9-9d4e-3361dffa1746/sv-benchmarks/c/forester-heap/sll-sorted-2.i[23136,23149] [2021-11-23 15:01:47,352 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_a2b7474b-49c8-49e9-9d4e-3361dffa1746/sv-benchmarks/c/forester-heap/sll-sorted-2.i[23200,23213] [2021-11-23 15:01:47,363 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:01:47,391 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:01:47,424 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_a2b7474b-49c8-49e9-9d4e-3361dffa1746/sv-benchmarks/c/forester-heap/sll-sorted-2.i[22317,22330] [2021-11-23 15:01:47,426 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_a2b7474b-49c8-49e9-9d4e-3361dffa1746/sv-benchmarks/c/forester-heap/sll-sorted-2.i[22452,22465] [2021-11-23 15:01:47,428 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_a2b7474b-49c8-49e9-9d4e-3361dffa1746/sv-benchmarks/c/forester-heap/sll-sorted-2.i[22612,22625] [2021-11-23 15:01:47,432 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_a2b7474b-49c8-49e9-9d4e-3361dffa1746/sv-benchmarks/c/forester-heap/sll-sorted-2.i[22941,22954] [2021-11-23 15:01:47,433 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_a2b7474b-49c8-49e9-9d4e-3361dffa1746/sv-benchmarks/c/forester-heap/sll-sorted-2.i[23005,23018] [2021-11-23 15:01:47,434 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_a2b7474b-49c8-49e9-9d4e-3361dffa1746/sv-benchmarks/c/forester-heap/sll-sorted-2.i[23136,23149] [2021-11-23 15:01:47,435 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_a2b7474b-49c8-49e9-9d4e-3361dffa1746/sv-benchmarks/c/forester-heap/sll-sorted-2.i[23200,23213] [2021-11-23 15:01:47,438 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:01:47,476 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:01:47,477 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:47 WrapperNode [2021-11-23 15:01:47,477 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:01:47,478 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:01:47,478 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:01:47,478 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:01:47,486 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:47" (1/1) ... [2021-11-23 15:01:47,524 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:47" (1/1) ... [2021-11-23 15:01:47,550 INFO L137 Inliner]: procedures = 122, calls = 40, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 192 [2021-11-23 15:01:47,551 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:01:47,552 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:01:47,552 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:01:47,552 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:01:47,561 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:47" (1/1) ... [2021-11-23 15:01:47,561 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:47" (1/1) ... [2021-11-23 15:01:47,568 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:47" (1/1) ... [2021-11-23 15:01:47,582 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:47" (1/1) ... [2021-11-23 15:01:47,595 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:47" (1/1) ... [2021-11-23 15:01:47,615 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:47" (1/1) ... [2021-11-23 15:01:47,626 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:47" (1/1) ... [2021-11-23 15:01:47,630 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:01:47,631 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:01:47,632 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:01:47,632 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:01:47,632 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:47" (1/1) ... [2021-11-23 15:01:47,652 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:01:47,663 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2b7474b-49c8-49e9-9d4e-3361dffa1746/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:01:47,676 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2b7474b-49c8-49e9-9d4e-3361dffa1746/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:01:47,694 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2b7474b-49c8-49e9-9d4e-3361dffa1746/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:01:47,725 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-23 15:01:47,725 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 15:01:47,725 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:01:47,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 15:01:47,726 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 15:01:47,726 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:01:47,726 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-23 15:01:47,726 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:01:47,726 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:01:47,726 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:01:47,898 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:01:47,911 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:01:48,702 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:01:48,777 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$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 15:01:48,790 INFO L158 Benchmark]: Toolchain (without parser) took 1877.10ms. Allocated memory was 62.9MB in the beginning and 79.7MB in the end (delta: 16.8MB). Free memory was 41.2MB in the beginning and 45.5MB in the end (delta: -4.3MB). Peak memory consumption was 22.9MB. Max. memory is 16.1GB. [2021-11-23 15:01:48,790 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 62.9MB. Free memory is still 43.1MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:01:48,793 INFO L158 Benchmark]: CACSL2BoogieTranslator took 564.22ms. Allocated memory is still 62.9MB. Free memory was 41.0MB in the beginning and 38.0MB in the end (delta: 2.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-23 15:01:48,793 INFO L158 Benchmark]: Boogie Procedure Inliner took 73.11ms. Allocated memory is still 62.9MB. Free memory was 38.0MB in the beginning and 35.4MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:01:48,794 INFO L158 Benchmark]: Boogie Preprocessor took 78.89ms. Allocated memory is still 62.9MB. Free memory was 35.4MB in the beginning and 33.4MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:01:48,795 INFO L158 Benchmark]: RCFGBuilder took 1156.53ms. Allocated memory was 62.9MB in the beginning and 79.7MB in the end (delta: 16.8MB). Free memory was 33.4MB in the beginning and 45.5MB in the end (delta: -12.1MB). Peak memory consumption was 17.2MB. Max. memory is 16.1GB. [2021-11-23 15:01:48,799 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 62.9MB. Free memory is still 43.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 564.22ms. Allocated memory is still 62.9MB. Free memory was 41.0MB in the beginning and 38.0MB in the end (delta: 2.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 73.11ms. Allocated memory is still 62.9MB. Free memory was 38.0MB in the beginning and 35.4MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 78.89ms. Allocated memory is still 62.9MB. Free memory was 35.4MB in the beginning and 33.4MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1156.53ms. Allocated memory was 62.9MB in the beginning and 79.7MB in the end (delta: 16.8MB). Free memory was 33.4MB in the beginning and 45.5MB in the end (delta: -12.1MB). Peak memory consumption was 17.2MB. 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 15:01:48,846 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2b7474b-49c8-49e9-9d4e-3361dffa1746/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable