./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/array-memsafety/reverse_array_unsafe.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_f4dd5bd5-cae4-4b69-93b9-e2b5ded43a84/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4dd5bd5-cae4-4b69-93b9-e2b5ded43a84/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_f4dd5bd5-cae4-4b69-93b9-e2b5ded43a84/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4dd5bd5-cae4-4b69-93b9-e2b5ded43a84/bin/ukojak-CwSLpZB5Qu/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/array-memsafety/reverse_array_unsafe.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4dd5bd5-cae4-4b69-93b9-e2b5ded43a84/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_f4dd5bd5-cae4-4b69-93b9-e2b5ded43a84/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 bb17be6c5036a92a96f9e04e4f3a4e1575c4abfe5b11b351c9bb22d6c30d006f --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:42:16,626 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:42:16,628 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:42:16,672 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:42:16,673 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:42:16,675 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:42:16,676 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:42:16,679 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:42:16,681 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:42:16,682 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:42:16,684 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:42:16,685 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:42:16,686 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:42:16,687 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:42:16,689 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:42:16,691 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:42:16,692 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:42:16,693 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:42:16,696 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:42:16,699 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:42:16,702 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:42:16,703 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:42:16,705 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:42:16,706 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:42:16,710 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:42:16,711 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:42:16,711 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:42:16,712 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:42:16,713 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:42:16,714 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:42:16,715 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:42:16,716 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:42:16,717 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:42:16,718 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:42:16,720 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:42:16,720 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:42:16,721 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:42:16,722 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:42:16,722 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:42:16,724 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:42:16,725 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:42:16,726 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4dd5bd5-cae4-4b69-93b9-e2b5ded43a84/bin/ukojak-CwSLpZB5Qu/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2021-11-23 15:42:16,750 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:42:16,750 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:42:16,752 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:42:16,752 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:42:16,753 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:42:16,753 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:42:16,753 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 15:42:16,754 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:42:16,754 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:42:16,755 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:42:16,755 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-23 15:42:16,755 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-23 15:42:16,756 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-23 15:42:16,756 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:42:16,757 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:42:16,757 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:42:16,757 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:42:16,758 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:42:16,758 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:42:16,759 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:42:16,759 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:42:16,760 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:42:16,760 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:42:16,760 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:42:16,761 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_f4dd5bd5-cae4-4b69-93b9-e2b5ded43a84/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4dd5bd5-cae4-4b69-93b9-e2b5ded43a84/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bb17be6c5036a92a96f9e04e4f3a4e1575c4abfe5b11b351c9bb22d6c30d006f [2021-11-23 15:42:16,994 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:42:17,019 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:42:17,022 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:42:17,023 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:42:17,024 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:42:17,026 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4dd5bd5-cae4-4b69-93b9-e2b5ded43a84/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/array-memsafety/reverse_array_unsafe.i [2021-11-23 15:42:17,088 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4dd5bd5-cae4-4b69-93b9-e2b5ded43a84/bin/ukojak-CwSLpZB5Qu/data/00960978e/a7e2d509ee5942e590e3241fb0ec3b4f/FLAG6c43c1e76 [2021-11-23 15:42:17,584 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:42:17,585 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4dd5bd5-cae4-4b69-93b9-e2b5ded43a84/sv-benchmarks/c/array-memsafety/reverse_array_unsafe.i [2021-11-23 15:42:17,598 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4dd5bd5-cae4-4b69-93b9-e2b5ded43a84/bin/ukojak-CwSLpZB5Qu/data/00960978e/a7e2d509ee5942e590e3241fb0ec3b4f/FLAG6c43c1e76 [2021-11-23 15:42:17,889 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4dd5bd5-cae4-4b69-93b9-e2b5ded43a84/bin/ukojak-CwSLpZB5Qu/data/00960978e/a7e2d509ee5942e590e3241fb0ec3b4f [2021-11-23 15:42:17,892 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:42:17,893 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:42:17,894 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:42:17,894 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:42:17,899 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:42:17,899 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:42:17" (1/1) ... [2021-11-23 15:42:17,900 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4280c72a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:42:17, skipping insertion in model container [2021-11-23 15:42:17,901 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:42:17" (1/1) ... [2021-11-23 15:42:17,915 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:42:17,954 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:42:18,304 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:42:18,316 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:42:18,396 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:42:18,435 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:42:18,436 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:42:18 WrapperNode [2021-11-23 15:42:18,436 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:42:18,437 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:42:18,437 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:42:18,438 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:42:18,446 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:42:18" (1/1) ... [2021-11-23 15:42:18,476 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:42:18" (1/1) ... [2021-11-23 15:42:18,500 INFO L137 Inliner]: procedures = 116, calls = 16, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 84 [2021-11-23 15:42:18,500 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:42:18,501 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:42:18,502 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:42:18,502 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:42:18,511 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:42:18" (1/1) ... [2021-11-23 15:42:18,512 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:42:18" (1/1) ... [2021-11-23 15:42:18,515 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:42:18" (1/1) ... [2021-11-23 15:42:18,516 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:42:18" (1/1) ... [2021-11-23 15:42:18,523 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:42:18" (1/1) ... [2021-11-23 15:42:18,527 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:42:18" (1/1) ... [2021-11-23 15:42:18,529 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:42:18" (1/1) ... [2021-11-23 15:42:18,532 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:42:18,533 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:42:18,533 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:42:18,533 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:42:18,534 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:42:18" (1/1) ... [2021-11-23 15:42:18,542 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:42:18,555 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4dd5bd5-cae4-4b69-93b9-e2b5ded43a84/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:42:18,573 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4dd5bd5-cae4-4b69-93b9-e2b5ded43a84/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:42:18,576 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4dd5bd5-cae4-4b69-93b9-e2b5ded43a84/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:42:18,617 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 15:42:18,618 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 15:42:18,618 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 15:42:18,619 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:42:18,619 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:42:18,620 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:42:18,725 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:42:18,726 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:42:19,042 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:42:19,111 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 15:42:19,116 INFO L158 Benchmark]: Toolchain (without parser) took 1222.13ms. Allocated memory was 119.5MB in the beginning and 151.0MB in the end (delta: 31.5MB). Free memory was 93.3MB in the beginning and 101.0MB in the end (delta: -7.6MB). Peak memory consumption was 23.4MB. Max. memory is 16.1GB. [2021-11-23 15:42:19,123 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 119.5MB. Free memory is still 78.9MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:42:19,125 INFO L158 Benchmark]: CACSL2BoogieTranslator took 542.85ms. Allocated memory was 119.5MB in the beginning and 151.0MB in the end (delta: 31.5MB). Free memory was 93.0MB in the beginning and 119.4MB in the end (delta: -26.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 15:42:19,126 INFO L158 Benchmark]: Boogie Procedure Inliner took 63.52ms. Allocated memory is still 151.0MB. Free memory was 119.4MB in the beginning and 117.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:42:19,127 INFO L158 Benchmark]: Boogie Preprocessor took 30.90ms. Allocated memory is still 151.0MB. Free memory was 117.3MB in the beginning and 116.1MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:42:19,129 INFO L158 Benchmark]: RCFGBuilder took 581.16ms. Allocated memory is still 151.0MB. Free memory was 116.1MB in the beginning and 101.0MB in the end (delta: 15.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2021-11-23 15:42:19,134 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 119.5MB. Free memory is still 78.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 542.85ms. Allocated memory was 119.5MB in the beginning and 151.0MB in the end (delta: 31.5MB). Free memory was 93.0MB in the beginning and 119.4MB in the end (delta: -26.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 63.52ms. Allocated memory is still 151.0MB. Free memory was 119.4MB in the beginning and 117.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 30.90ms. Allocated memory is still 151.0MB. Free memory was 117.3MB in the beginning and 116.1MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 581.16ms. Allocated memory is still 151.0MB. Free memory was 116.1MB in the beginning and 101.0MB in the end (delta: 15.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 15:42:19,183 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4dd5bd5-cae4-4b69-93b9-e2b5ded43a84/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_f4dd5bd5-cae4-4b69-93b9-e2b5ded43a84/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4dd5bd5-cae4-4b69-93b9-e2b5ded43a84/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_f4dd5bd5-cae4-4b69-93b9-e2b5ded43a84/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4dd5bd5-cae4-4b69-93b9-e2b5ded43a84/bin/ukojak-CwSLpZB5Qu/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/array-memsafety/reverse_array_unsafe.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4dd5bd5-cae4-4b69-93b9-e2b5ded43a84/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_f4dd5bd5-cae4-4b69-93b9-e2b5ded43a84/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 bb17be6c5036a92a96f9e04e4f3a4e1575c4abfe5b11b351c9bb22d6c30d006f --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:42:21,793 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:42:21,795 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:42:21,833 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:42:21,834 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:42:21,836 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:42:21,838 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:42:21,841 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:42:21,843 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:42:21,845 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:42:21,846 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:42:21,848 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:42:21,848 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:42:21,850 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:42:21,852 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:42:21,854 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:42:21,855 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:42:21,856 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:42:21,859 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:42:21,861 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:42:21,863 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:42:21,865 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:42:21,867 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:42:21,868 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:42:21,873 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:42:21,873 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:42:21,874 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:42:21,875 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:42:21,876 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:42:21,877 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:42:21,878 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:42:21,879 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:42:21,880 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:42:21,882 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:42:21,883 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:42:21,884 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:42:21,885 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:42:21,885 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:42:21,886 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:42:21,887 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:42:21,888 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:42:21,889 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4dd5bd5-cae4-4b69-93b9-e2b5ded43a84/bin/ukojak-CwSLpZB5Qu/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf [2021-11-23 15:42:21,916 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:42:21,917 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:42:21,918 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:42:21,919 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:42:21,919 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:42:21,919 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:42:21,919 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 15:42:21,920 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:42:21,920 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:42:21,920 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:42:21,920 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-23 15:42:21,921 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-23 15:42:21,921 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-23 15:42:21,921 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:42:21,921 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:42:21,922 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:42:21,922 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:42:21,922 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:42:21,922 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:42:21,923 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:42:21,923 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:42:21,923 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:42:21,923 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:42:21,924 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:42:21,924 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:42:21,924 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:42:21,924 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:42:21,924 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:42:21,925 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:42:21,925 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_f4dd5bd5-cae4-4b69-93b9-e2b5ded43a84/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4dd5bd5-cae4-4b69-93b9-e2b5ded43a84/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bb17be6c5036a92a96f9e04e4f3a4e1575c4abfe5b11b351c9bb22d6c30d006f [2021-11-23 15:42:22,331 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:42:22,353 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:42:22,356 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:42:22,357 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:42:22,358 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:42:22,359 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4dd5bd5-cae4-4b69-93b9-e2b5ded43a84/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/array-memsafety/reverse_array_unsafe.i [2021-11-23 15:42:22,430 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4dd5bd5-cae4-4b69-93b9-e2b5ded43a84/bin/ukojak-CwSLpZB5Qu/data/4eda47299/511545a8c9864edeaaef8244f1e09807/FLAG6fdf26026 [2021-11-23 15:42:23,066 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:42:23,072 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4dd5bd5-cae4-4b69-93b9-e2b5ded43a84/sv-benchmarks/c/array-memsafety/reverse_array_unsafe.i [2021-11-23 15:42:23,095 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4dd5bd5-cae4-4b69-93b9-e2b5ded43a84/bin/ukojak-CwSLpZB5Qu/data/4eda47299/511545a8c9864edeaaef8244f1e09807/FLAG6fdf26026 [2021-11-23 15:42:23,288 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4dd5bd5-cae4-4b69-93b9-e2b5ded43a84/bin/ukojak-CwSLpZB5Qu/data/4eda47299/511545a8c9864edeaaef8244f1e09807 [2021-11-23 15:42:23,294 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:42:23,296 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:42:23,301 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:42:23,301 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:42:23,306 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:42:23,307 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:42:23" (1/1) ... [2021-11-23 15:42:23,309 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@670c015b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:42:23, skipping insertion in model container [2021-11-23 15:42:23,310 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:42:23" (1/1) ... [2021-11-23 15:42:23,319 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:42:23,390 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:42:23,829 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:42:23,843 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:42:23,905 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:42:23,946 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:42:23,946 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:42:23 WrapperNode [2021-11-23 15:42:23,947 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:42:23,948 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:42:23,948 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:42:23,948 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:42:23,956 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:42:23" (1/1) ... [2021-11-23 15:42:23,986 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:42:23" (1/1) ... [2021-11-23 15:42:24,026 INFO L137 Inliner]: procedures = 117, calls = 16, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 83 [2021-11-23 15:42:24,026 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:42:24,027 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:42:24,028 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:42:24,028 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:42:24,036 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:42:23" (1/1) ... [2021-11-23 15:42:24,036 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:42:23" (1/1) ... [2021-11-23 15:42:24,055 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:42:23" (1/1) ... [2021-11-23 15:42:24,056 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:42:23" (1/1) ... [2021-11-23 15:42:24,062 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:42:23" (1/1) ... [2021-11-23 15:42:24,066 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:42:23" (1/1) ... [2021-11-23 15:42:24,068 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:42:23" (1/1) ... [2021-11-23 15:42:24,071 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:42:24,072 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:42:24,073 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:42:24,073 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:42:24,074 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:42:23" (1/1) ... [2021-11-23 15:42:24,082 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:42:24,093 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4dd5bd5-cae4-4b69-93b9-e2b5ded43a84/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:42:24,104 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4dd5bd5-cae4-4b69-93b9-e2b5ded43a84/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:42:24,127 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4dd5bd5-cae4-4b69-93b9-e2b5ded43a84/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:42:24,162 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-23 15:42:24,163 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 15:42:24,163 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:42:24,163 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-23 15:42:24,164 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:42:24,164 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:42:24,288 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:42:24,290 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:42:24,834 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:42:24,868 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 15:42:24,873 INFO L158 Benchmark]: Toolchain (without parser) took 1575.76ms. Allocated memory was 62.9MB in the beginning and 83.9MB in the end (delta: 21.0MB). Free memory was 41.2MB in the beginning and 55.7MB in the end (delta: -14.5MB). Peak memory consumption was 15.8MB. Max. memory is 16.1GB. [2021-11-23 15:42:24,874 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 62.9MB. Free memory was 43.7MB in the beginning and 43.7MB in the end (delta: 48.8kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:42:24,875 INFO L158 Benchmark]: CACSL2BoogieTranslator took 646.12ms. Allocated memory is still 62.9MB. Free memory was 41.0MB in the beginning and 38.2MB in the end (delta: 2.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 15:42:24,876 INFO L158 Benchmark]: Boogie Procedure Inliner took 78.71ms. Allocated memory is still 62.9MB. Free memory was 38.2MB in the beginning and 36.2MB in the end (delta: 2.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 15:42:24,877 INFO L158 Benchmark]: Boogie Preprocessor took 44.27ms. Allocated memory is still 62.9MB. Free memory was 36.2MB in the beginning and 34.7MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:42:24,878 INFO L158 Benchmark]: RCFGBuilder took 798.55ms. Allocated memory was 62.9MB in the beginning and 83.9MB in the end (delta: 21.0MB). Free memory was 34.7MB in the beginning and 55.7MB in the end (delta: -21.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-23 15:42:24,881 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 62.9MB. Free memory was 43.7MB in the beginning and 43.7MB in the end (delta: 48.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 646.12ms. Allocated memory is still 62.9MB. Free memory was 41.0MB in the beginning and 38.2MB in the end (delta: 2.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 78.71ms. Allocated memory is still 62.9MB. Free memory was 38.2MB in the beginning and 36.2MB in the end (delta: 2.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 44.27ms. Allocated memory is still 62.9MB. Free memory was 36.2MB in the beginning and 34.7MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 798.55ms. Allocated memory was 62.9MB in the beginning and 83.9MB in the end (delta: 21.0MB). Free memory was 34.7MB in the beginning and 55.7MB in the end (delta: -21.0MB). Peak memory consumption was 12.6MB. 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 15:42:24,931 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f4dd5bd5-cae4-4b69-93b9-e2b5ded43a84/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable