./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-lopstr16/scalar_loopdep.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6a47aea7 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_625040fd-f62b-4992-ad59-b2ddbb84ca6f/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_625040fd-f62b-4992-ad59-b2ddbb84ca6f/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_625040fd-f62b-4992-ad59-b2ddbb84ca6f/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_625040fd-f62b-4992-ad59-b2ddbb84ca6f/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/array-lopstr16/scalar_loopdep.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_625040fd-f62b-4992-ad59-b2ddbb84ca6f/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_625040fd-f62b-4992-ad59-b2ddbb84ca6f/bin/ukojak-CwSLpZB5Qu --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 004e76a55ea43180d22836854efb5ff40e4c49966cf8226e42027e9f69007914 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:56:59,204 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:56:59,208 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:56:59,279 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:56:59,280 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:56:59,286 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:56:59,288 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:56:59,293 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:56:59,296 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:56:59,304 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:56:59,305 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:56:59,307 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:56:59,307 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:56:59,310 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:56:59,312 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:56:59,320 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:56:59,323 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:56:59,324 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:56:59,326 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:56:59,331 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:56:59,336 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:56:59,338 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:56:59,341 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:56:59,342 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:56:59,348 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:56:59,348 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:56:59,349 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:56:59,351 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:56:59,352 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:56:59,353 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:56:59,354 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:56:59,355 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:56:59,357 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:56:59,358 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:56:59,360 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:56:59,360 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:56:59,361 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:56:59,361 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:56:59,362 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:56:59,363 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:56:59,363 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:56:59,364 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_625040fd-f62b-4992-ad59-b2ddbb84ca6f/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:56:59,410 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:56:59,410 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:56:59,412 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:56:59,412 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:56:59,413 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:56:59,413 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:56:59,414 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:56:59,414 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:56:59,414 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:56:59,414 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:56:59,415 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:56:59,416 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:56:59,416 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:56:59,416 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:56:59,416 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:56:59,417 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:56:59,417 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:56:59,417 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:56:59,417 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:56:59,417 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:56:59,418 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:56:59,418 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:56:59,418 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:56:59,418 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:56:59,419 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:56:59,419 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:56:59,419 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:56:59,419 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:56:59,420 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_625040fd-f62b-4992-ad59-b2ddbb84ca6f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_625040fd-f62b-4992-ad59-b2ddbb84ca6f/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 004e76a55ea43180d22836854efb5ff40e4c49966cf8226e42027e9f69007914 [2021-11-23 15:56:59,750 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:56:59,787 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:56:59,790 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:56:59,791 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:56:59,793 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:56:59,794 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_625040fd-f62b-4992-ad59-b2ddbb84ca6f/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/array-lopstr16/scalar_loopdep.i [2021-11-23 15:56:59,859 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_625040fd-f62b-4992-ad59-b2ddbb84ca6f/bin/ukojak-CwSLpZB5Qu/data/59dbbe797/48872def50b8453ca69e412971aee141/FLAG4862e10cb [2021-11-23 15:57:00,426 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:57:00,428 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_625040fd-f62b-4992-ad59-b2ddbb84ca6f/sv-benchmarks/c/array-lopstr16/scalar_loopdep.i [2021-11-23 15:57:00,439 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_625040fd-f62b-4992-ad59-b2ddbb84ca6f/bin/ukojak-CwSLpZB5Qu/data/59dbbe797/48872def50b8453ca69e412971aee141/FLAG4862e10cb [2021-11-23 15:57:00,765 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_625040fd-f62b-4992-ad59-b2ddbb84ca6f/bin/ukojak-CwSLpZB5Qu/data/59dbbe797/48872def50b8453ca69e412971aee141 [2021-11-23 15:57:00,768 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:57:00,769 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:57:00,770 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:57:00,770 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:57:00,783 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:57:00,784 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:57:00" (1/1) ... [2021-11-23 15:57:00,788 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@741e4ac1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:00, skipping insertion in model container [2021-11-23 15:57:00,788 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:57:00" (1/1) ... [2021-11-23 15:57:00,796 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:57:00,825 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:57:01,004 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_625040fd-f62b-4992-ad59-b2ddbb84ca6f/sv-benchmarks/c/array-lopstr16/scalar_loopdep.i[807,820] [2021-11-23 15:57:01,019 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:57:03,302 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:57:03,315 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_625040fd-f62b-4992-ad59-b2ddbb84ca6f/sv-benchmarks/c/array-lopstr16/scalar_loopdep.i[807,820] [2021-11-23 15:57:03,322 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:57:03,343 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:57:03,343 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:03 WrapperNode [2021-11-23 15:57:03,344 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:57:03,346 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:57:03,346 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:57:03,348 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:57:03,356 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:03" (1/1) ... [2021-11-23 15:57:03,365 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:03" (1/1) ... [2021-11-23 15:57:03,385 INFO L137 Inliner]: procedures = 14, calls = 10, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 46 [2021-11-23 15:57:03,390 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:57:03,392 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:57:03,392 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:57:03,392 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:57:03,402 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:03" (1/1) ... [2021-11-23 15:57:03,403 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:03" (1/1) ... [2021-11-23 15:57:03,405 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:03" (1/1) ... [2021-11-23 15:57:03,405 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:03" (1/1) ... [2021-11-23 15:57:03,410 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:03" (1/1) ... [2021-11-23 15:57:03,414 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:03" (1/1) ... [2021-11-23 15:57:03,416 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:03" (1/1) ... [2021-11-23 15:57:03,418 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:57:03,419 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:57:03,419 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:57:03,419 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:57:03,420 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:03" (1/1) ... [2021-11-23 15:57:03,429 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:57:03,446 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_625040fd-f62b-4992-ad59-b2ddbb84ca6f/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:57:03,474 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_625040fd-f62b-4992-ad59-b2ddbb84ca6f/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:57:03,485 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_625040fd-f62b-4992-ad59-b2ddbb84ca6f/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:57:03,519 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:57:03,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:57:03,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 15:57:03,519 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:57:03,520 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:57:03,520 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 15:57:03,591 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:57:03,593 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:57:03,714 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:57:03,735 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 15:57:03,741 INFO L158 Benchmark]: Toolchain (without parser) took 2970.07ms. Allocated memory was 90.2MB in the beginning and 398.5MB in the end (delta: 308.3MB). Free memory was 50.4MB in the beginning and 191.2MB in the end (delta: -140.7MB). Peak memory consumption was 167.3MB. Max. memory is 16.1GB. [2021-11-23 15:57:03,742 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 90.2MB. Free memory is still 66.7MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:57:03,743 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2574.34ms. Allocated memory was 90.2MB in the beginning and 398.5MB in the end (delta: 308.3MB). Free memory was 50.2MB in the beginning and 205.8MB in the end (delta: -155.7MB). Peak memory consumption was 194.6MB. Max. memory is 16.1GB. [2021-11-23 15:57:03,745 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.46ms. Allocated memory is still 398.5MB. Free memory was 205.8MB in the beginning and 204.8MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:57:03,746 INFO L158 Benchmark]: Boogie Preprocessor took 26.37ms. Allocated memory is still 398.5MB. Free memory was 204.8MB in the beginning and 203.7MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:57:03,747 INFO L158 Benchmark]: RCFGBuilder took 319.34ms. Allocated memory is still 398.5MB. Free memory was 203.7MB in the beginning and 191.2MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-23 15:57:03,753 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 90.2MB. Free memory is still 66.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2574.34ms. Allocated memory was 90.2MB in the beginning and 398.5MB in the end (delta: 308.3MB). Free memory was 50.2MB in the beginning and 205.8MB in the end (delta: -155.7MB). Peak memory consumption was 194.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 44.46ms. Allocated memory is still 398.5MB. Free memory was 205.8MB in the beginning and 204.8MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 26.37ms. Allocated memory is still 398.5MB. Free memory was 204.8MB in the beginning and 203.7MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 319.34ms. Allocated memory is still 398.5MB. Free memory was 203.7MB in the beginning and 191.2MB in the end (delta: 12.6MB). 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 15:57:03,849 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_625040fd-f62b-4992-ad59-b2ddbb84ca6f/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_625040fd-f62b-4992-ad59-b2ddbb84ca6f/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_625040fd-f62b-4992-ad59-b2ddbb84ca6f/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_625040fd-f62b-4992-ad59-b2ddbb84ca6f/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_625040fd-f62b-4992-ad59-b2ddbb84ca6f/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/array-lopstr16/scalar_loopdep.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_625040fd-f62b-4992-ad59-b2ddbb84ca6f/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_625040fd-f62b-4992-ad59-b2ddbb84ca6f/bin/ukojak-CwSLpZB5Qu --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 004e76a55ea43180d22836854efb5ff40e4c49966cf8226e42027e9f69007914 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:57:06,621 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:57:06,625 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:57:06,684 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:57:06,685 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:57:06,690 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:57:06,693 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:57:06,698 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:57:06,702 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:57:06,708 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:57:06,713 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:57:06,715 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:57:06,716 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:57:06,719 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:57:06,722 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:57:06,727 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:57:06,729 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:57:06,731 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:57:06,734 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:57:06,743 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:57:06,745 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:57:06,747 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:57:06,750 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:57:06,753 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:57:06,763 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:57:06,764 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:57:06,764 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:57:06,766 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:57:06,767 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:57:06,769 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:57:06,769 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:57:06,770 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:57:06,773 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:57:06,774 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:57:06,776 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:57:06,776 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:57:06,785 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:57:06,785 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:57:06,785 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:57:06,787 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:57:06,788 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:57:06,789 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_625040fd-f62b-4992-ad59-b2ddbb84ca6f/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 15:57:06,838 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:57:06,839 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:57:06,841 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:57:06,841 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:57:06,843 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:57:06,843 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:57:06,843 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:57:06,844 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:57:06,844 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:57:06,844 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:57:06,845 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:57:06,846 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:57:06,846 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:57:06,846 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:57:06,847 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:57:06,847 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:57:06,847 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:57:06,847 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:57:06,848 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:57:06,848 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:57:06,848 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:57:06,849 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:57:06,849 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:57:06,849 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:57:06,850 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:57:06,850 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:57:06,850 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:57:06,850 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:57:06,851 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:57:06,851 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:57:06,851 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:57:06,852 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:57:06,852 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_625040fd-f62b-4992-ad59-b2ddbb84ca6f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_625040fd-f62b-4992-ad59-b2ddbb84ca6f/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 004e76a55ea43180d22836854efb5ff40e4c49966cf8226e42027e9f69007914 [2021-11-23 15:57:07,379 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:57:07,411 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:57:07,414 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:57:07,416 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:57:07,417 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:57:07,419 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_625040fd-f62b-4992-ad59-b2ddbb84ca6f/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/array-lopstr16/scalar_loopdep.i [2021-11-23 15:57:07,501 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_625040fd-f62b-4992-ad59-b2ddbb84ca6f/bin/ukojak-CwSLpZB5Qu/data/22d0b5e5e/8a8a08ac542443bab07f692a88bc721a/FLAGe022f5e04 [2021-11-23 15:57:08,156 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:57:08,157 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_625040fd-f62b-4992-ad59-b2ddbb84ca6f/sv-benchmarks/c/array-lopstr16/scalar_loopdep.i [2021-11-23 15:57:08,163 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_625040fd-f62b-4992-ad59-b2ddbb84ca6f/bin/ukojak-CwSLpZB5Qu/data/22d0b5e5e/8a8a08ac542443bab07f692a88bc721a/FLAGe022f5e04 [2021-11-23 15:57:08,456 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_625040fd-f62b-4992-ad59-b2ddbb84ca6f/bin/ukojak-CwSLpZB5Qu/data/22d0b5e5e/8a8a08ac542443bab07f692a88bc721a [2021-11-23 15:57:08,459 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:57:08,460 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:57:08,462 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:57:08,462 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:57:08,466 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:57:08,467 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:57:08" (1/1) ... [2021-11-23 15:57:08,468 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@41618f6f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:08, skipping insertion in model container [2021-11-23 15:57:08,468 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:57:08" (1/1) ... [2021-11-23 15:57:08,476 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:57:08,493 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:57:08,642 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_625040fd-f62b-4992-ad59-b2ddbb84ca6f/sv-benchmarks/c/array-lopstr16/scalar_loopdep.i[807,820] [2021-11-23 15:57:08,658 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:57:10,887 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:57:10,900 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_625040fd-f62b-4992-ad59-b2ddbb84ca6f/sv-benchmarks/c/array-lopstr16/scalar_loopdep.i[807,820] [2021-11-23 15:57:10,905 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:57:10,921 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:57:10,921 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:10 WrapperNode [2021-11-23 15:57:10,922 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:57:10,923 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:57:10,923 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:57:10,923 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:57:10,930 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:10" (1/1) ... [2021-11-23 15:57:10,939 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:10" (1/1) ... [2021-11-23 15:57:10,957 INFO L137 Inliner]: procedures = 16, calls = 10, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 46 [2021-11-23 15:57:10,958 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:57:10,959 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:57:10,959 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:57:10,959 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:57:10,968 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:10" (1/1) ... [2021-11-23 15:57:10,968 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:10" (1/1) ... [2021-11-23 15:57:10,970 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:10" (1/1) ... [2021-11-23 15:57:10,971 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:10" (1/1) ... [2021-11-23 15:57:10,976 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:10" (1/1) ... [2021-11-23 15:57:10,980 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:10" (1/1) ... [2021-11-23 15:57:10,981 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:10" (1/1) ... [2021-11-23 15:57:10,989 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:57:10,990 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:57:10,990 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:57:10,991 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:57:10,991 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:57:10" (1/1) ... [2021-11-23 15:57:10,998 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:57:11,012 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_625040fd-f62b-4992-ad59-b2ddbb84ca6f/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:57:11,032 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_625040fd-f62b-4992-ad59-b2ddbb84ca6f/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:57:11,054 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_625040fd-f62b-4992-ad59-b2ddbb84ca6f/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:57:11,089 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:57:11,089 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:57:11,089 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-23 15:57:11,089 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:57:11,090 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:57:11,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-23 15:57:11,180 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:57:11,182 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:57:11,303 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:57:11,320 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.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 15:57:11,324 INFO L158 Benchmark]: Toolchain (without parser) took 2862.75ms. Allocated memory was 71.3MB in the beginning and 356.5MB in the end (delta: 285.2MB). Free memory was 52.8MB in the beginning and 168.1MB in the end (delta: -115.3MB). Peak memory consumption was 172.4MB. Max. memory is 16.1GB. [2021-11-23 15:57:11,325 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 71.3MB. Free memory was 51.2MB in the beginning and 51.1MB in the end (delta: 95.9kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:57:11,326 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2460.11ms. Allocated memory was 71.3MB in the beginning and 356.5MB in the end (delta: 285.2MB). Free memory was 52.6MB in the beginning and 183.8MB in the end (delta: -131.2MB). Peak memory consumption was 222.7MB. Max. memory is 16.1GB. [2021-11-23 15:57:11,328 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.20ms. Allocated memory is still 356.5MB. Free memory was 183.8MB in the beginning and 182.7MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:57:11,328 INFO L158 Benchmark]: Boogie Preprocessor took 30.83ms. Allocated memory is still 356.5MB. Free memory was 182.7MB in the beginning and 181.7MB in the end (delta: 995.8kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:57:11,329 INFO L158 Benchmark]: RCFGBuilder took 332.03ms. Allocated memory is still 356.5MB. Free memory was 181.7MB in the beginning and 168.1MB in the end (delta: 13.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-11-23 15:57:11,334 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 71.3MB. Free memory was 51.2MB in the beginning and 51.1MB in the end (delta: 95.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2460.11ms. Allocated memory was 71.3MB in the beginning and 356.5MB in the end (delta: 285.2MB). Free memory was 52.6MB in the beginning and 183.8MB in the end (delta: -131.2MB). Peak memory consumption was 222.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.20ms. Allocated memory is still 356.5MB. Free memory was 183.8MB in the beginning and 182.7MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 30.83ms. Allocated memory is still 356.5MB. Free memory was 182.7MB in the beginning and 181.7MB in the end (delta: 995.8kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 332.03ms. Allocated memory is still 356.5MB. Free memory was 181.7MB in the beginning and 168.1MB in the end (delta: 13.6MB). Peak memory consumption was 14.7MB. 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 15:57:11,396 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_625040fd-f62b-4992-ad59-b2ddbb84ca6f/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