./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/memsafety-ext2/length_test03-1.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_d18d34f8-268a-40e1-9899-c18bb7ca9463/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d18d34f8-268a-40e1-9899-c18bb7ca9463/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_d18d34f8-268a-40e1-9899-c18bb7ca9463/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d18d34f8-268a-40e1-9899-c18bb7ca9463/bin/ukojak-CwSLpZB5Qu/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety-ext2/length_test03-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d18d34f8-268a-40e1-9899-c18bb7ca9463/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_d18d34f8-268a-40e1-9899-c18bb7ca9463/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 6e9221de91e231efa38b63f264828813e89f68c8ac306a629b3513c0e7bf1ed0 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:58:31,648 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:58:31,650 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:58:31,681 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:58:31,682 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:58:31,683 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:58:31,685 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:58:31,687 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:58:31,689 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:58:31,691 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:58:31,692 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:58:31,693 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:58:31,694 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:58:31,695 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:58:31,696 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:58:31,698 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:58:31,699 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:58:31,700 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:58:31,702 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:58:31,704 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:58:31,706 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:58:31,708 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:58:31,709 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:58:31,710 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:58:31,714 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:58:31,714 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:58:31,715 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:58:31,716 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:58:31,716 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:58:31,717 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:58:31,718 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:58:31,719 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:58:31,720 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:58:31,720 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:58:31,722 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:58:31,722 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:58:31,723 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:58:31,723 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:58:31,724 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:58:31,725 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:58:31,726 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:58:31,727 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d18d34f8-268a-40e1-9899-c18bb7ca9463/bin/ukojak-CwSLpZB5Qu/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2021-11-23 15:58:31,752 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:58:31,752 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:58:31,753 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:58:31,754 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:58:31,754 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:58:31,754 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:58:31,754 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 15:58:31,755 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:58:31,755 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:58:31,755 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:58:31,755 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-23 15:58:31,755 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-23 15:58:31,756 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-23 15:58:31,756 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:58:31,756 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:58:31,756 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:58:31,756 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:58:31,756 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:58:31,757 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:58:31,757 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:58:31,757 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:58:31,757 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:58:31,758 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:58:31,758 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:58:31,758 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_d18d34f8-268a-40e1-9899-c18bb7ca9463/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d18d34f8-268a-40e1-9899-c18bb7ca9463/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6e9221de91e231efa38b63f264828813e89f68c8ac306a629b3513c0e7bf1ed0 [2021-11-23 15:58:32,067 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:58:32,095 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:58:32,097 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:58:32,099 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:58:32,099 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:58:32,101 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d18d34f8-268a-40e1-9899-c18bb7ca9463/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/memsafety-ext2/length_test03-1.i [2021-11-23 15:58:32,201 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d18d34f8-268a-40e1-9899-c18bb7ca9463/bin/ukojak-CwSLpZB5Qu/data/be9318873/bd5b8645082f419fa3ddd2c47351301e/FLAGd7b052f20 [2021-11-23 15:58:32,748 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:58:32,748 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d18d34f8-268a-40e1-9899-c18bb7ca9463/sv-benchmarks/c/memsafety-ext2/length_test03-1.i [2021-11-23 15:58:32,761 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d18d34f8-268a-40e1-9899-c18bb7ca9463/bin/ukojak-CwSLpZB5Qu/data/be9318873/bd5b8645082f419fa3ddd2c47351301e/FLAGd7b052f20 [2021-11-23 15:58:33,028 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d18d34f8-268a-40e1-9899-c18bb7ca9463/bin/ukojak-CwSLpZB5Qu/data/be9318873/bd5b8645082f419fa3ddd2c47351301e [2021-11-23 15:58:33,031 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:58:33,032 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:58:33,034 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:58:33,034 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:58:33,037 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:58:33,038 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:58:33" (1/1) ... [2021-11-23 15:58:33,039 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@65fc6eaf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:33, skipping insertion in model container [2021-11-23 15:58:33,039 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:58:33" (1/1) ... [2021-11-23 15:58:33,049 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:58:33,105 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:58:33,426 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:58:33,435 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:58:33,476 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:58:33,516 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:58:33,516 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:33 WrapperNode [2021-11-23 15:58:33,516 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:58:33,518 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:58:33,518 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:58:33,518 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:58:33,526 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:33" (1/1) ... [2021-11-23 15:58:33,562 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:33" (1/1) ... [2021-11-23 15:58:33,590 INFO L137 Inliner]: procedures = 123, calls = 38, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 160 [2021-11-23 15:58:33,591 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:58:33,592 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:58:33,592 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:58:33,592 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:58:33,601 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:33" (1/1) ... [2021-11-23 15:58:33,601 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:33" (1/1) ... [2021-11-23 15:58:33,605 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:33" (1/1) ... [2021-11-23 15:58:33,606 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:33" (1/1) ... [2021-11-23 15:58:33,617 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:33" (1/1) ... [2021-11-23 15:58:33,621 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:33" (1/1) ... [2021-11-23 15:58:33,623 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:33" (1/1) ... [2021-11-23 15:58:33,626 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:58:33,627 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:58:33,628 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:58:33,628 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:58:33,629 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:33" (1/1) ... [2021-11-23 15:58:33,636 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:58:33,647 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d18d34f8-268a-40e1-9899-c18bb7ca9463/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:58:33,659 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d18d34f8-268a-40e1-9899-c18bb7ca9463/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:58:33,698 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d18d34f8-268a-40e1-9899-c18bb7ca9463/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:58:33,717 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 15:58:33,717 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 15:58:33,717 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:58:33,718 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 15:58:33,718 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 15:58:33,719 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:58:33,719 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:58:33,719 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:58:33,720 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:58:33,815 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:58:33,817 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:58:34,433 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:58:34,510 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$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 15:58:34,515 INFO L158 Benchmark]: Toolchain (without parser) took 1481.17ms. Allocated memory is still 127.9MB. Free memory was 91.0MB in the beginning and 64.4MB in the end (delta: 26.5MB). Peak memory consumption was 25.0MB. Max. memory is 16.1GB. [2021-11-23 15:58:34,516 INFO L158 Benchmark]: CDTParser took 0.56ms. Allocated memory is still 127.9MB. Free memory was 102.8MB in the beginning and 102.7MB in the end (delta: 23.7kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:58:34,518 INFO L158 Benchmark]: CACSL2BoogieTranslator took 482.84ms. Allocated memory is still 127.9MB. Free memory was 90.6MB in the beginning and 95.9MB in the end (delta: -5.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 15:58:34,520 INFO L158 Benchmark]: Boogie Procedure Inliner took 73.11ms. Allocated memory is still 127.9MB. Free memory was 95.9MB in the beginning and 93.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:58:34,520 INFO L158 Benchmark]: Boogie Preprocessor took 35.01ms. Allocated memory is still 127.9MB. Free memory was 93.8MB in the beginning and 91.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:58:34,522 INFO L158 Benchmark]: RCFGBuilder took 885.25ms. Allocated memory is still 127.9MB. Free memory was 91.7MB in the beginning and 64.4MB in the end (delta: 27.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2021-11-23 15:58:34,531 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.56ms. Allocated memory is still 127.9MB. Free memory was 102.8MB in the beginning and 102.7MB in the end (delta: 23.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 482.84ms. Allocated memory is still 127.9MB. Free memory was 90.6MB in the beginning and 95.9MB in the end (delta: -5.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 73.11ms. Allocated memory is still 127.9MB. Free memory was 95.9MB in the beginning and 93.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 35.01ms. Allocated memory is still 127.9MB. Free memory was 93.8MB in the beginning and 91.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 885.25ms. Allocated memory is still 127.9MB. Free memory was 91.7MB in the beginning and 64.4MB in the end (delta: 27.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 15:58:34,587 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d18d34f8-268a-40e1-9899-c18bb7ca9463/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_d18d34f8-268a-40e1-9899-c18bb7ca9463/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d18d34f8-268a-40e1-9899-c18bb7ca9463/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_d18d34f8-268a-40e1-9899-c18bb7ca9463/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d18d34f8-268a-40e1-9899-c18bb7ca9463/bin/ukojak-CwSLpZB5Qu/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety-ext2/length_test03-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d18d34f8-268a-40e1-9899-c18bb7ca9463/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_d18d34f8-268a-40e1-9899-c18bb7ca9463/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 6e9221de91e231efa38b63f264828813e89f68c8ac306a629b3513c0e7bf1ed0 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:58:37,036 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:58:37,040 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:58:37,112 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:58:37,112 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:58:37,116 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:58:37,118 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:58:37,123 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:58:37,126 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:58:37,131 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:58:37,135 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:58:37,137 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:58:37,137 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:58:37,140 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:58:37,142 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:58:37,147 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:58:37,149 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:58:37,150 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:58:37,152 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:58:37,160 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:58:37,162 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:58:37,163 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:58:37,167 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:58:37,168 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:58:37,177 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:58:37,178 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:58:37,178 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:58:37,180 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:58:37,181 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:58:37,182 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:58:37,183 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:58:37,184 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:58:37,186 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:58:37,187 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:58:37,188 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:58:37,188 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:58:37,189 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:58:37,190 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:58:37,190 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:58:37,192 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:58:37,192 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:58:37,193 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d18d34f8-268a-40e1-9899-c18bb7ca9463/bin/ukojak-CwSLpZB5Qu/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf [2021-11-23 15:58:37,235 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:58:37,236 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:58:37,239 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:58:37,239 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:58:37,239 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:58:37,240 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:58:37,240 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 15:58:37,240 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:58:37,240 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:58:37,241 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:58:37,242 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-23 15:58:37,242 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-23 15:58:37,242 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-23 15:58:37,242 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:58:37,243 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:58:37,243 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:58:37,243 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:58:37,243 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:58:37,243 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:58:37,244 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:58:37,244 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:58:37,244 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:58:37,244 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:58:37,245 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:58:37,245 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:58:37,245 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:58:37,245 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:58:37,246 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:58:37,246 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:58:37,246 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_d18d34f8-268a-40e1-9899-c18bb7ca9463/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d18d34f8-268a-40e1-9899-c18bb7ca9463/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6e9221de91e231efa38b63f264828813e89f68c8ac306a629b3513c0e7bf1ed0 [2021-11-23 15:58:37,599 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:58:37,635 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:58:37,638 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:58:37,639 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:58:37,640 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:58:37,642 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d18d34f8-268a-40e1-9899-c18bb7ca9463/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/memsafety-ext2/length_test03-1.i [2021-11-23 15:58:37,716 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d18d34f8-268a-40e1-9899-c18bb7ca9463/bin/ukojak-CwSLpZB5Qu/data/9fd082a6a/eb6262db85a94db5ad73b84451a508ba/FLAGe61f79efb [2021-11-23 15:58:38,335 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:58:38,335 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d18d34f8-268a-40e1-9899-c18bb7ca9463/sv-benchmarks/c/memsafety-ext2/length_test03-1.i [2021-11-23 15:58:38,348 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d18d34f8-268a-40e1-9899-c18bb7ca9463/bin/ukojak-CwSLpZB5Qu/data/9fd082a6a/eb6262db85a94db5ad73b84451a508ba/FLAGe61f79efb [2021-11-23 15:58:38,628 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d18d34f8-268a-40e1-9899-c18bb7ca9463/bin/ukojak-CwSLpZB5Qu/data/9fd082a6a/eb6262db85a94db5ad73b84451a508ba [2021-11-23 15:58:38,631 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:58:38,633 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:58:38,636 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:58:38,637 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:58:38,640 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:58:38,641 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:58:38" (1/1) ... [2021-11-23 15:58:38,642 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@745566c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:38, skipping insertion in model container [2021-11-23 15:58:38,642 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:58:38" (1/1) ... [2021-11-23 15:58:38,650 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:58:38,713 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:58:39,062 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:58:39,076 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:58:39,164 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:58:39,211 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:58:39,212 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:39 WrapperNode [2021-11-23 15:58:39,212 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:58:39,214 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:58:39,214 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:58:39,214 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:58:39,222 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:39" (1/1) ... [2021-11-23 15:58:39,246 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:39" (1/1) ... [2021-11-23 15:58:39,288 INFO L137 Inliner]: procedures = 124, calls = 38, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 158 [2021-11-23 15:58:39,295 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:58:39,297 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:58:39,298 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:58:39,298 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:58:39,307 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:39" (1/1) ... [2021-11-23 15:58:39,307 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:39" (1/1) ... [2021-11-23 15:58:39,334 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:39" (1/1) ... [2021-11-23 15:58:39,334 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:39" (1/1) ... [2021-11-23 15:58:39,347 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:39" (1/1) ... [2021-11-23 15:58:39,363 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:39" (1/1) ... [2021-11-23 15:58:39,368 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:39" (1/1) ... [2021-11-23 15:58:39,382 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:58:39,383 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:58:39,383 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:58:39,383 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:58:39,384 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:39" (1/1) ... [2021-11-23 15:58:39,391 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:58:39,411 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d18d34f8-268a-40e1-9899-c18bb7ca9463/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:58:39,425 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d18d34f8-268a-40e1-9899-c18bb7ca9463/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:58:39,456 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d18d34f8-268a-40e1-9899-c18bb7ca9463/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:58:39,479 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 15:58:39,479 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:58:39,479 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 15:58:39,480 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 15:58:39,481 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-23 15:58:39,481 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:58:39,481 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:58:39,481 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:58:39,482 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:58:39,654 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:58:39,656 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:58:40,463 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:58:40,500 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$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 15:58:40,509 INFO L158 Benchmark]: Toolchain (without parser) took 1875.52ms. Allocated memory is still 73.4MB. Free memory was 53.0MB in the beginning and 34.1MB in the end (delta: 19.0MB). Peak memory consumption was 24.8MB. Max. memory is 16.1GB. [2021-11-23 15:58:40,510 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 73.4MB. Free memory was 52.8MB in the beginning and 52.7MB in the end (delta: 54.8kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:58:40,512 INFO L158 Benchmark]: CACSL2BoogieTranslator took 576.35ms. Allocated memory is still 73.4MB. Free memory was 52.7MB in the beginning and 47.8MB in the end (delta: 5.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 15:58:40,512 INFO L158 Benchmark]: Boogie Procedure Inliner took 81.57ms. Allocated memory is still 73.4MB. Free memory was 47.8MB in the beginning and 45.3MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:58:40,515 INFO L158 Benchmark]: Boogie Preprocessor took 84.69ms. Allocated memory is still 73.4MB. Free memory was 45.3MB in the beginning and 43.3MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:58:40,516 INFO L158 Benchmark]: RCFGBuilder took 1124.65ms. Allocated memory is still 73.4MB. Free memory was 43.1MB in the beginning and 34.1MB in the end (delta: 9.0MB). Peak memory consumption was 17.6MB. Max. memory is 16.1GB. [2021-11-23 15:58:40,523 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 73.4MB. Free memory was 52.8MB in the beginning and 52.7MB in the end (delta: 54.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 576.35ms. Allocated memory is still 73.4MB. Free memory was 52.7MB in the beginning and 47.8MB in the end (delta: 5.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 81.57ms. Allocated memory is still 73.4MB. Free memory was 47.8MB in the beginning and 45.3MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 84.69ms. Allocated memory is still 73.4MB. Free memory was 45.3MB in the beginning and 43.3MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1124.65ms. Allocated memory is still 73.4MB. Free memory was 43.1MB in the beginning and 34.1MB in the end (delta: 9.0MB). Peak memory consumption was 17.6MB. 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 15:58:40,565 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d18d34f8-268a-40e1-9899-c18bb7ca9463/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