./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/list-simple/sll2n_insert_unequal.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_2548d795-6ffa-4831-a8c7-fc6431bf271a/bin/utaipan-fb15Y9Yzbl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2548d795-6ffa-4831-a8c7-fc6431bf271a/bin/utaipan-fb15Y9Yzbl/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2548d795-6ffa-4831-a8c7-fc6431bf271a/bin/utaipan-fb15Y9Yzbl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2548d795-6ffa-4831-a8c7-fc6431bf271a/bin/utaipan-fb15Y9Yzbl/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/list-simple/sll2n_insert_unequal.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2548d795-6ffa-4831-a8c7-fc6431bf271a/bin/utaipan-fb15Y9Yzbl/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2548d795-6ffa-4831-a8c7-fc6431bf271a/bin/utaipan-fb15Y9Yzbl --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 383c6933c6ab916f651364224af1d774f30e162ad506fd2f28fe7f76c4487ba3 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 16:48:13,446 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 16:48:13,449 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 16:48:13,510 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 16:48:13,511 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 16:48:13,516 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 16:48:13,518 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 16:48:13,522 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 16:48:13,525 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 16:48:13,532 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 16:48:13,533 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 16:48:13,535 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 16:48:13,535 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 16:48:13,539 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 16:48:13,541 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 16:48:13,546 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 16:48:13,548 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 16:48:13,551 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 16:48:13,554 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 16:48:13,562 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 16:48:13,565 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 16:48:13,566 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 16:48:13,570 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 16:48:13,571 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 16:48:13,581 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 16:48:13,581 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 16:48:13,582 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 16:48:13,584 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 16:48:13,585 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 16:48:13,586 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 16:48:13,586 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 16:48:13,588 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 16:48:13,590 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 16:48:13,591 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 16:48:13,593 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 16:48:13,593 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 16:48:13,594 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 16:48:13,594 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 16:48:13,594 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 16:48:13,595 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 16:48:13,597 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 16:48:13,598 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2548d795-6ffa-4831-a8c7-fc6431bf271a/bin/utaipan-fb15Y9Yzbl/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf [2021-11-23 16:48:13,650 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 16:48:13,650 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 16:48:13,651 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 16:48:13,651 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 16:48:13,652 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 16:48:13,652 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 16:48:13,652 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 16:48:13,652 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 16:48:13,653 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 16:48:13,653 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-23 16:48:13,654 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 16:48:13,654 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 16:48:13,655 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-23 16:48:13,655 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-23 16:48:13,655 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 16:48:13,655 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-23 16:48:13,655 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-23 16:48:13,656 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-23 16:48:13,656 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 16:48:13,657 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 16:48:13,657 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 16:48:13,657 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 16:48:13,657 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 16:48:13,659 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 16:48:13,659 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 16:48:13,660 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 16:48:13,660 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-23 16:48:13,660 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-23 16:48:13,660 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-23 16:48:13,661 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 16:48:13,661 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 16:48:13,661 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 16:48:13,661 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 16:48:13,661 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 16:48:13,662 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 16:48:13,662 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 16:48:13,662 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 16:48:13,662 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 16:48:13,663 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-23 16:48:13,663 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 16:48:13,663 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 16:48:13,663 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 16:48:13,663 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_2548d795-6ffa-4831-a8c7-fc6431bf271a/bin/utaipan-fb15Y9Yzbl/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2548d795-6ffa-4831-a8c7-fc6431bf271a/bin/utaipan-fb15Y9Yzbl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 383c6933c6ab916f651364224af1d774f30e162ad506fd2f28fe7f76c4487ba3 [2021-11-23 16:48:13,940 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 16:48:13,964 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 16:48:13,967 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 16:48:13,969 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 16:48:13,970 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 16:48:13,971 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2548d795-6ffa-4831-a8c7-fc6431bf271a/bin/utaipan-fb15Y9Yzbl/../../sv-benchmarks/c/list-simple/sll2n_insert_unequal.i [2021-11-23 16:48:14,071 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2548d795-6ffa-4831-a8c7-fc6431bf271a/bin/utaipan-fb15Y9Yzbl/data/e181007f1/506b72f7359f44a0815db34b38b896df/FLAG4f2412256 [2021-11-23 16:48:14,775 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 16:48:14,776 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2548d795-6ffa-4831-a8c7-fc6431bf271a/sv-benchmarks/c/list-simple/sll2n_insert_unequal.i [2021-11-23 16:48:14,803 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2548d795-6ffa-4831-a8c7-fc6431bf271a/bin/utaipan-fb15Y9Yzbl/data/e181007f1/506b72f7359f44a0815db34b38b896df/FLAG4f2412256 [2021-11-23 16:48:15,007 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2548d795-6ffa-4831-a8c7-fc6431bf271a/bin/utaipan-fb15Y9Yzbl/data/e181007f1/506b72f7359f44a0815db34b38b896df [2021-11-23 16:48:15,012 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 16:48:15,014 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 16:48:15,018 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 16:48:15,019 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 16:48:15,023 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 16:48:15,024 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:48:15" (1/1) ... [2021-11-23 16:48:15,029 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d183dff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:48:15, skipping insertion in model container [2021-11-23 16:48:15,029 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:48:15" (1/1) ... [2021-11-23 16:48:15,038 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 16:48:15,102 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 16:48:15,496 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_2548d795-6ffa-4831-a8c7-fc6431bf271a/sv-benchmarks/c/list-simple/sll2n_insert_unequal.i[24620,24633] [2021-11-23 16:48:15,507 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 16:48:15,521 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 16:48:15,604 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_2548d795-6ffa-4831-a8c7-fc6431bf271a/sv-benchmarks/c/list-simple/sll2n_insert_unequal.i[24620,24633] [2021-11-23 16:48:15,605 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 16:48:15,649 INFO L208 MainTranslator]: Completed translation [2021-11-23 16:48:15,650 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:48:15 WrapperNode [2021-11-23 16:48:15,650 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 16:48:15,652 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 16:48:15,652 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 16:48:15,652 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 16:48:15,660 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:48:15" (1/1) ... [2021-11-23 16:48:15,678 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:48:15" (1/1) ... [2021-11-23 16:48:15,710 INFO L137 Inliner]: procedures = 128, calls = 36, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 151 [2021-11-23 16:48:15,711 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 16:48:15,712 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 16:48:15,712 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 16:48:15,712 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 16:48:15,722 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:48:15" (1/1) ... [2021-11-23 16:48:15,722 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:48:15" (1/1) ... [2021-11-23 16:48:15,727 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:48:15" (1/1) ... [2021-11-23 16:48:15,727 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:48:15" (1/1) ... [2021-11-23 16:48:15,738 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:48:15" (1/1) ... [2021-11-23 16:48:15,744 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:48:15" (1/1) ... [2021-11-23 16:48:15,746 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:48:15" (1/1) ... [2021-11-23 16:48:15,751 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 16:48:15,752 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 16:48:15,752 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 16:48:15,752 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 16:48:15,753 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:48:15" (1/1) ... [2021-11-23 16:48:15,762 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 16:48:15,797 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2548d795-6ffa-4831-a8c7-fc6431bf271a/bin/utaipan-fb15Y9Yzbl/z3 [2021-11-23 16:48:15,815 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2548d795-6ffa-4831-a8c7-fc6431bf271a/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 16:48:15,845 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2548d795-6ffa-4831-a8c7-fc6431bf271a/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 16:48:15,864 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 16:48:15,865 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 16:48:15,865 INFO L130 BoogieDeclarations]: Found specification of procedure node_create [2021-11-23 16:48:15,865 INFO L138 BoogieDeclarations]: Found implementation of procedure node_create [2021-11-23 16:48:15,865 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 16:48:15,866 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 16:48:15,866 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 16:48:15,866 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 16:48:15,866 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 16:48:15,866 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 16:48:15,867 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-23 16:48:15,867 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 16:48:15,867 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 16:48:15,867 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 16:48:15,982 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 16:48:15,984 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 16:48:16,320 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.retainAll(ImmutableSet.java:338) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.UnmodifiableTransFormula.removeSuperfluousVars(UnmodifiableTransFormula.java:212) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.finishConstruction(TransFormulaBuilder.java:273) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.getTrivialTransFormula(TransFormulaBuilder.java:285) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$ProcedureCfgBuilder.removeAuxiliaryGoto(CfgBuilder.java:962) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$ProcedureCfgBuilder.buildProcedureCfgFromImplementation(CfgBuilder.java:727) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:266) 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$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 16:48:16,326 INFO L158 Benchmark]: Toolchain (without parser) took 1310.70ms. Allocated memory was 92.3MB in the beginning and 121.6MB in the end (delta: 29.4MB). Free memory was 54.5MB in the beginning and 65.4MB in the end (delta: -10.9MB). Peak memory consumption was 16.3MB. Max. memory is 16.1GB. [2021-11-23 16:48:16,327 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 92.3MB. Free memory was 64.1MB in the beginning and 64.1MB in the end (delta: 23.7kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 16:48:16,329 INFO L158 Benchmark]: CACSL2BoogieTranslator took 632.48ms. Allocated memory was 92.3MB in the beginning and 121.6MB in the end (delta: 29.4MB). Free memory was 54.3MB in the beginning and 86.4MB in the end (delta: -32.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 16:48:16,330 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.50ms. Allocated memory is still 121.6MB. Free memory was 86.4MB in the beginning and 84.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 16:48:16,331 INFO L158 Benchmark]: Boogie Preprocessor took 39.24ms. Allocated memory is still 121.6MB. Free memory was 84.2MB in the beginning and 82.8MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 16:48:16,332 INFO L158 Benchmark]: RCFGBuilder took 572.15ms. Allocated memory is still 121.6MB. Free memory was 82.8MB in the beginning and 65.4MB in the end (delta: 17.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2021-11-23 16:48:16,338 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 92.3MB. Free memory was 64.1MB in the beginning and 64.1MB in the end (delta: 23.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 632.48ms. Allocated memory was 92.3MB in the beginning and 121.6MB in the end (delta: 29.4MB). Free memory was 54.3MB in the beginning and 86.4MB in the end (delta: -32.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 59.50ms. Allocated memory is still 121.6MB. Free memory was 86.4MB in the beginning and 84.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 39.24ms. Allocated memory is still 121.6MB. Free memory was 84.2MB in the beginning and 82.8MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 572.15ms. Allocated memory is still 121.6MB. Free memory was 82.8MB in the beginning and 65.4MB in the end (delta: 17.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 16:48:16,396 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2548d795-6ffa-4831-a8c7-fc6431bf271a/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (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_2548d795-6ffa-4831-a8c7-fc6431bf271a/bin/utaipan-fb15Y9Yzbl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2548d795-6ffa-4831-a8c7-fc6431bf271a/bin/utaipan-fb15Y9Yzbl/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2548d795-6ffa-4831-a8c7-fc6431bf271a/bin/utaipan-fb15Y9Yzbl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2548d795-6ffa-4831-a8c7-fc6431bf271a/bin/utaipan-fb15Y9Yzbl/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/list-simple/sll2n_insert_unequal.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2548d795-6ffa-4831-a8c7-fc6431bf271a/bin/utaipan-fb15Y9Yzbl/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2548d795-6ffa-4831-a8c7-fc6431bf271a/bin/utaipan-fb15Y9Yzbl --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 383c6933c6ab916f651364224af1d774f30e162ad506fd2f28fe7f76c4487ba3 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 16:48:19,232 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 16:48:19,235 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 16:48:19,271 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 16:48:19,272 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 16:48:19,273 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 16:48:19,276 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 16:48:19,278 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 16:48:19,281 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 16:48:19,282 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 16:48:19,284 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 16:48:19,286 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 16:48:19,286 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 16:48:19,288 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 16:48:19,290 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 16:48:19,292 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 16:48:19,293 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 16:48:19,295 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 16:48:19,309 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 16:48:19,312 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 16:48:19,315 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 16:48:19,317 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 16:48:19,319 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 16:48:19,320 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 16:48:19,324 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 16:48:19,325 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 16:48:19,326 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 16:48:19,327 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 16:48:19,328 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 16:48:19,330 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 16:48:19,331 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 16:48:19,332 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 16:48:19,333 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 16:48:19,334 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 16:48:19,336 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 16:48:19,337 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 16:48:19,338 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 16:48:19,339 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 16:48:19,339 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 16:48:19,341 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 16:48:19,342 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 16:48:19,343 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2548d795-6ffa-4831-a8c7-fc6431bf271a/bin/utaipan-fb15Y9Yzbl/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf [2021-11-23 16:48:19,376 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 16:48:19,377 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 16:48:19,378 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 16:48:19,378 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 16:48:19,379 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 16:48:19,380 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 16:48:19,380 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 16:48:19,381 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 16:48:19,381 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 16:48:19,381 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 16:48:19,382 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 16:48:19,382 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 16:48:19,383 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 16:48:19,384 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 16:48:19,384 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 16:48:19,384 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 16:48:19,384 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 16:48:19,385 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 16:48:19,385 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 16:48:19,385 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 16:48:19,386 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-23 16:48:19,386 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-23 16:48:19,386 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-23 16:48:19,386 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 16:48:19,387 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 16:48:19,387 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 16:48:19,387 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 16:48:19,388 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 16:48:19,388 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 16:48:19,388 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 16:48:19,389 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-23 16:48:19,389 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 16:48:19,389 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 16:48:19,390 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 16:48:19,390 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 16:48:19,390 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 16:48:19,390 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 16:48:19,391 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 16:48:19,391 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 16:48:19,391 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_2548d795-6ffa-4831-a8c7-fc6431bf271a/bin/utaipan-fb15Y9Yzbl/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2548d795-6ffa-4831-a8c7-fc6431bf271a/bin/utaipan-fb15Y9Yzbl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 383c6933c6ab916f651364224af1d774f30e162ad506fd2f28fe7f76c4487ba3 [2021-11-23 16:48:19,844 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 16:48:19,880 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 16:48:19,885 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 16:48:19,886 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 16:48:19,887 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 16:48:19,889 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2548d795-6ffa-4831-a8c7-fc6431bf271a/bin/utaipan-fb15Y9Yzbl/../../sv-benchmarks/c/list-simple/sll2n_insert_unequal.i [2021-11-23 16:48:19,985 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2548d795-6ffa-4831-a8c7-fc6431bf271a/bin/utaipan-fb15Y9Yzbl/data/0671dcaad/1f1e06d42ead4b77a5e6d0cbc3bae18d/FLAGc739c2c3b [2021-11-23 16:48:20,774 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 16:48:20,776 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2548d795-6ffa-4831-a8c7-fc6431bf271a/sv-benchmarks/c/list-simple/sll2n_insert_unequal.i [2021-11-23 16:48:20,805 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2548d795-6ffa-4831-a8c7-fc6431bf271a/bin/utaipan-fb15Y9Yzbl/data/0671dcaad/1f1e06d42ead4b77a5e6d0cbc3bae18d/FLAGc739c2c3b [2021-11-23 16:48:21,032 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2548d795-6ffa-4831-a8c7-fc6431bf271a/bin/utaipan-fb15Y9Yzbl/data/0671dcaad/1f1e06d42ead4b77a5e6d0cbc3bae18d [2021-11-23 16:48:21,039 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 16:48:21,042 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 16:48:21,046 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 16:48:21,046 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 16:48:21,050 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 16:48:21,051 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:48:21" (1/1) ... [2021-11-23 16:48:21,052 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3bd7342d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:48:21, skipping insertion in model container [2021-11-23 16:48:21,053 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:48:21" (1/1) ... [2021-11-23 16:48:21,060 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 16:48:21,118 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 16:48:21,486 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_2548d795-6ffa-4831-a8c7-fc6431bf271a/sv-benchmarks/c/list-simple/sll2n_insert_unequal.i[24620,24633] [2021-11-23 16:48:21,489 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 16:48:21,502 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 16:48:21,548 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_2548d795-6ffa-4831-a8c7-fc6431bf271a/sv-benchmarks/c/list-simple/sll2n_insert_unequal.i[24620,24633] [2021-11-23 16:48:21,549 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 16:48:21,588 INFO L208 MainTranslator]: Completed translation [2021-11-23 16:48:21,589 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:48:21 WrapperNode [2021-11-23 16:48:21,589 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 16:48:21,590 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 16:48:21,590 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 16:48:21,591 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 16:48:21,598 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:48:21" (1/1) ... [2021-11-23 16:48:21,618 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:48:21" (1/1) ... [2021-11-23 16:48:21,648 INFO L137 Inliner]: procedures = 131, calls = 36, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 152 [2021-11-23 16:48:21,648 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 16:48:21,649 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 16:48:21,649 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 16:48:21,649 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 16:48:21,658 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:48:21" (1/1) ... [2021-11-23 16:48:21,658 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:48:21" (1/1) ... [2021-11-23 16:48:21,663 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:48:21" (1/1) ... [2021-11-23 16:48:21,663 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:48:21" (1/1) ... [2021-11-23 16:48:21,688 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:48:21" (1/1) ... [2021-11-23 16:48:21,692 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:48:21" (1/1) ... [2021-11-23 16:48:21,704 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:48:21" (1/1) ... [2021-11-23 16:48:21,724 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 16:48:21,725 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 16:48:21,725 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 16:48:21,725 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 16:48:21,726 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:48:21" (1/1) ... [2021-11-23 16:48:21,736 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 16:48:21,748 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2548d795-6ffa-4831-a8c7-fc6431bf271a/bin/utaipan-fb15Y9Yzbl/z3 [2021-11-23 16:48:21,761 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2548d795-6ffa-4831-a8c7-fc6431bf271a/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 16:48:21,769 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2548d795-6ffa-4831-a8c7-fc6431bf271a/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 16:48:21,807 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-23 16:48:21,808 INFO L130 BoogieDeclarations]: Found specification of procedure node_create [2021-11-23 16:48:21,809 INFO L138 BoogieDeclarations]: Found implementation of procedure node_create [2021-11-23 16:48:21,809 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 16:48:21,809 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 16:48:21,810 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 16:48:21,810 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 16:48:21,810 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 16:48:21,810 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 16:48:21,810 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-23 16:48:21,810 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-23 16:48:21,811 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 16:48:21,811 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 16:48:21,811 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 16:48:22,006 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 16:48:22,023 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 16:48:22,519 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.retainAll(ImmutableSet.java:338) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.UnmodifiableTransFormula.removeSuperfluousVars(UnmodifiableTransFormula.java:212) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.finishConstruction(TransFormulaBuilder.java:273) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.getTrivialTransFormula(TransFormulaBuilder.java:285) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$ProcedureCfgBuilder.removeAuxiliaryGoto(CfgBuilder.java:962) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$ProcedureCfgBuilder.buildProcedureCfgFromImplementation(CfgBuilder.java:727) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:266) 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$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 16:48:22,524 INFO L158 Benchmark]: Toolchain (without parser) took 1481.04ms. Allocated memory was 50.3MB in the beginning and 71.3MB in the end (delta: 21.0MB). Free memory was 25.3MB in the beginning and 41.1MB in the end (delta: -15.8MB). Peak memory consumption was 14.8MB. Max. memory is 16.1GB. [2021-11-23 16:48:22,525 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 50.3MB. Free memory was 30.4MB in the beginning and 30.3MB in the end (delta: 38.4kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 16:48:22,526 INFO L158 Benchmark]: CACSL2BoogieTranslator took 543.67ms. Allocated memory was 50.3MB in the beginning and 71.3MB in the end (delta: 21.0MB). Free memory was 25.1MB in the beginning and 45.5MB in the end (delta: -20.4MB). Peak memory consumption was 3.7MB. Max. memory is 16.1GB. [2021-11-23 16:48:22,527 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.21ms. Allocated memory is still 71.3MB. Free memory was 45.5MB in the beginning and 43.2MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 16:48:22,527 INFO L158 Benchmark]: Boogie Preprocessor took 75.41ms. Allocated memory is still 71.3MB. Free memory was 43.2MB in the beginning and 41.0MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 16:48:22,528 INFO L158 Benchmark]: RCFGBuilder took 796.79ms. Allocated memory is still 71.3MB. Free memory was 41.0MB in the beginning and 41.1MB in the end (delta: -106.3kB). Peak memory consumption was 12.8MB. Max. memory is 16.1GB. [2021-11-23 16:48:22,532 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 50.3MB. Free memory was 30.4MB in the beginning and 30.3MB in the end (delta: 38.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 543.67ms. Allocated memory was 50.3MB in the beginning and 71.3MB in the end (delta: 21.0MB). Free memory was 25.1MB in the beginning and 45.5MB in the end (delta: -20.4MB). Peak memory consumption was 3.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 58.21ms. Allocated memory is still 71.3MB. Free memory was 45.5MB in the beginning and 43.2MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 75.41ms. Allocated memory is still 71.3MB. Free memory was 43.2MB in the beginning and 41.0MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 796.79ms. Allocated memory is still 71.3MB. Free memory was 41.0MB in the beginning and 41.1MB in the end (delta: -106.3kB). Peak memory consumption was 12.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 16:48:22,577 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2548d795-6ffa-4831-a8c7-fc6431bf271a/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (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