./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/cstrncmp.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 6a47aea7 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01320a54-810a-4fb4-962a-19adafaf0b0d/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01320a54-810a-4fb4-962a-19adafaf0b0d/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_01320a54-810a-4fb4-962a-19adafaf0b0d/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01320a54-810a-4fb4-962a-19adafaf0b0d/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/cstrncmp.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01320a54-810a-4fb4-962a-19adafaf0b0d/bin/ukojak-CwSLpZB5Qu/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01320a54-810a-4fb4-962a-19adafaf0b0d/bin/ukojak-CwSLpZB5Qu --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 87534de3d459ca9409f2dccef0ebbf0eeafdc010d6ce5fc12d39e28438c1bbdf --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:56:21,822 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:56:21,824 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:56:21,861 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:56:21,861 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:56:21,863 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:56:21,865 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:56:21,867 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:56:21,870 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:56:21,877 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:56:21,878 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:56:21,880 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:56:21,880 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:56:21,882 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:56:21,884 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:56:21,886 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:56:21,887 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:56:21,889 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:56:21,901 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:56:21,907 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:56:21,909 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:56:21,922 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:56:21,924 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:56:21,925 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:56:21,931 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:56:21,931 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:56:21,932 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:56:21,933 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:56:21,934 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:56:21,936 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:56:21,936 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:56:21,937 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:56:21,939 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:56:21,943 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:56:21,945 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:56:21,946 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:56:21,947 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:56:21,947 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:56:21,948 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:56:21,949 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:56:21,949 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:56:21,950 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01320a54-810a-4fb4-962a-19adafaf0b0d/bin/ukojak-CwSLpZB5Qu/config/svcomp-Overflow-64bit-Kojak_Default.epf [2021-11-23 15:56:21,979 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:56:21,979 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:56:21,980 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:56:21,980 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:56:21,981 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:56:21,982 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:56:21,982 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:56:21,982 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 15:56:21,982 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:56:21,983 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:56:21,983 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:56:21,983 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:56:21,983 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:56:21,983 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-11-23 15:56:21,984 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:56:21,984 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:56:21,984 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:56:21,984 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:56:21,985 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:56:21,985 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:56:21,985 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:56:21,985 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:56:21,986 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:56:21,986 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:56:21,986 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:56:21,986 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:56:21,986 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:56:21,987 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_01320a54-810a-4fb4-962a-19adafaf0b0d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01320a54-810a-4fb4-962a-19adafaf0b0d/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 87534de3d459ca9409f2dccef0ebbf0eeafdc010d6ce5fc12d39e28438c1bbdf [2021-11-23 15:56:22,278 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:56:22,305 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:56:22,308 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:56:22,310 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:56:22,311 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:56:22,313 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01320a54-810a-4fb4-962a-19adafaf0b0d/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/termination-crafted-lit/cstrncmp.c [2021-11-23 15:56:22,422 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01320a54-810a-4fb4-962a-19adafaf0b0d/bin/ukojak-CwSLpZB5Qu/data/f72473cc9/4e88ad94813c490e94bbc8bcdfe54f5e/FLAG107546201 [2021-11-23 15:56:22,966 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:56:22,967 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01320a54-810a-4fb4-962a-19adafaf0b0d/sv-benchmarks/c/termination-crafted-lit/cstrncmp.c [2021-11-23 15:56:22,978 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01320a54-810a-4fb4-962a-19adafaf0b0d/bin/ukojak-CwSLpZB5Qu/data/f72473cc9/4e88ad94813c490e94bbc8bcdfe54f5e/FLAG107546201 [2021-11-23 15:56:23,306 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01320a54-810a-4fb4-962a-19adafaf0b0d/bin/ukojak-CwSLpZB5Qu/data/f72473cc9/4e88ad94813c490e94bbc8bcdfe54f5e [2021-11-23 15:56:23,309 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:56:23,310 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:56:23,316 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:56:23,317 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:56:23,321 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:56:23,322 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:56:23" (1/1) ... [2021-11-23 15:56:23,324 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@388a2fd8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:23, skipping insertion in model container [2021-11-23 15:56:23,326 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:56:23" (1/1) ... [2021-11-23 15:56:23,340 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:56:23,356 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:56:23,582 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:56:23,591 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:56:23,608 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:56:23,624 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:56:23,624 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:23 WrapperNode [2021-11-23 15:56:23,625 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:56:23,626 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:56:23,626 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:56:23,627 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:56:23,640 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:23" (1/1) ... [2021-11-23 15:56:23,655 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:23" (1/1) ... [2021-11-23 15:56:23,690 INFO L137 Inliner]: procedures = 11, calls = 12, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 74 [2021-11-23 15:56:23,690 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:56:23,693 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:56:23,694 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:56:23,694 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:56:23,703 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:23" (1/1) ... [2021-11-23 15:56:23,704 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:23" (1/1) ... [2021-11-23 15:56:23,717 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:23" (1/1) ... [2021-11-23 15:56:23,718 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:23" (1/1) ... [2021-11-23 15:56:23,724 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:23" (1/1) ... [2021-11-23 15:56:23,728 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:23" (1/1) ... [2021-11-23 15:56:23,730 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:23" (1/1) ... [2021-11-23 15:56:23,732 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:56:23,734 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:56:23,734 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:56:23,734 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:56:23,735 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:23" (1/1) ... [2021-11-23 15:56:23,747 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:56:23,772 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01320a54-810a-4fb4-962a-19adafaf0b0d/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:56:23,786 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01320a54-810a-4fb4-962a-19adafaf0b0d/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:56:23,793 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01320a54-810a-4fb4-962a-19adafaf0b0d/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:56:23,836 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 15:56:23,836 INFO L130 BoogieDeclarations]: Found specification of procedure build_nondet_String [2021-11-23 15:56:23,837 INFO L138 BoogieDeclarations]: Found implementation of procedure build_nondet_String [2021-11-23 15:56:23,837 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 15:56:23,838 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:56:23,838 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:56:23,838 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 15:56:23,912 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:56:23,914 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:56:24,146 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:56:24,166 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 15:56:24,170 INFO L158 Benchmark]: Toolchain (without parser) took 858.73ms. Allocated memory is still 113.2MB. Free memory was 73.2MB in the beginning and 72.8MB in the end (delta: 425.9kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:56:24,180 INFO L158 Benchmark]: CDTParser took 0.40ms. Allocated memory is still 113.2MB. Free memory was 89.6MB in the beginning and 89.5MB in the end (delta: 92.4kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:56:24,181 INFO L158 Benchmark]: CACSL2BoogieTranslator took 308.67ms. Allocated memory is still 113.2MB. Free memory was 73.0MB in the beginning and 87.0MB in the end (delta: -14.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 15:56:24,182 INFO L158 Benchmark]: Boogie Procedure Inliner took 66.30ms. Allocated memory is still 113.2MB. Free memory was 87.0MB in the beginning and 85.3MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:56:24,183 INFO L158 Benchmark]: Boogie Preprocessor took 39.29ms. Allocated memory is still 113.2MB. Free memory was 85.3MB in the beginning and 84.5MB in the end (delta: 834.7kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:56:24,184 INFO L158 Benchmark]: RCFGBuilder took 434.68ms. Allocated memory is still 113.2MB. Free memory was 84.1MB in the beginning and 72.8MB in the end (delta: 11.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 15:56:24,190 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40ms. Allocated memory is still 113.2MB. Free memory was 89.6MB in the beginning and 89.5MB in the end (delta: 92.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 308.67ms. Allocated memory is still 113.2MB. Free memory was 73.0MB in the beginning and 87.0MB in the end (delta: -14.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 66.30ms. Allocated memory is still 113.2MB. Free memory was 87.0MB in the beginning and 85.3MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 39.29ms. Allocated memory is still 113.2MB. Free memory was 85.3MB in the beginning and 84.5MB in the end (delta: 834.7kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 434.68ms. Allocated memory is still 113.2MB. Free memory was 84.1MB in the beginning and 72.8MB in the end (delta: 11.3MB). Peak memory consumption was 10.5MB. 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 15:56:24,250 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01320a54-810a-4fb4-962a-19adafaf0b0d/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 No suitable file found in config dir /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01320a54-810a-4fb4-962a-19adafaf0b0d/bin/ukojak-CwSLpZB5Qu/config using search string *Overflow*64bit*_Bitvector*.epf No suitable settings file found using Overflow*64bit*_Bitvector ERROR: UNSUPPORTED PROPERTY Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable