./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/xcsp/Dubois-018.c --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_02855011-a554-41bb-9375-a51365e03a9b/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02855011-a554-41bb-9375-a51365e03a9b/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_02855011-a554-41bb-9375-a51365e03a9b/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02855011-a554-41bb-9375-a51365e03a9b/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/xcsp/Dubois-018.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02855011-a554-41bb-9375-a51365e03a9b/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_02855011-a554-41bb-9375-a51365e03a9b/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 5eaeb668526dd99d52a76e364cd090d11972ce6d53b14aa44ca6d3800bf0c3f1 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:54:27,231 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:54:27,234 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:54:27,287 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:54:27,288 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:54:27,292 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:54:27,294 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:54:27,297 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:54:27,300 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:54:27,305 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:54:27,306 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:54:27,308 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:54:27,308 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:54:27,310 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:54:27,312 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:54:27,316 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:54:27,318 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:54:27,319 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:54:27,321 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:54:27,328 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:54:27,330 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:54:27,332 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:54:27,334 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:54:27,335 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:54:27,344 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:54:27,345 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:54:27,345 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:54:27,347 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:54:27,347 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:54:27,349 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:54:27,349 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:54:27,350 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:54:27,352 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:54:27,353 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:54:27,354 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:54:27,354 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:54:27,355 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:54:27,355 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:54:27,356 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:54:27,356 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:54:27,357 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:54:27,358 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02855011-a554-41bb-9375-a51365e03a9b/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:54:27,398 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:54:27,398 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:54:27,399 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:54:27,400 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:54:27,401 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:54:27,402 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:54:27,402 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:54:27,402 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:54:27,402 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:54:27,403 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:54:27,404 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:54:27,404 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:54:27,404 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:54:27,404 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:54:27,405 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:54:27,405 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:54:27,405 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:54:27,405 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:54:27,405 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:54:27,406 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:54:27,406 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:54:27,406 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:54:27,406 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:54:27,407 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:54:27,407 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:54:27,407 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:54:27,407 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:54:27,408 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:54:27,408 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_02855011-a554-41bb-9375-a51365e03a9b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02855011-a554-41bb-9375-a51365e03a9b/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5eaeb668526dd99d52a76e364cd090d11972ce6d53b14aa44ca6d3800bf0c3f1 [2021-11-23 15:54:27,669 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:54:27,690 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:54:27,693 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:54:27,694 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:54:27,695 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:54:27,696 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02855011-a554-41bb-9375-a51365e03a9b/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/xcsp/Dubois-018.c [2021-11-23 15:54:27,761 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02855011-a554-41bb-9375-a51365e03a9b/bin/ukojak-CwSLpZB5Qu/data/8728b9f49/4afb4a7e22d747db91823cba8f9d8b7a/FLAGfe2fd088a [2021-11-23 15:54:28,268 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:54:28,269 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02855011-a554-41bb-9375-a51365e03a9b/sv-benchmarks/c/xcsp/Dubois-018.c [2021-11-23 15:54:28,288 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02855011-a554-41bb-9375-a51365e03a9b/bin/ukojak-CwSLpZB5Qu/data/8728b9f49/4afb4a7e22d747db91823cba8f9d8b7a/FLAGfe2fd088a [2021-11-23 15:54:28,589 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02855011-a554-41bb-9375-a51365e03a9b/bin/ukojak-CwSLpZB5Qu/data/8728b9f49/4afb4a7e22d747db91823cba8f9d8b7a [2021-11-23 15:54:28,591 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:54:28,592 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:54:28,594 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:54:28,595 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:54:28,598 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:54:28,599 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:54:28" (1/1) ... [2021-11-23 15:54:28,600 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f1c24f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:28, skipping insertion in model container [2021-11-23 15:54:28,600 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:54:28" (1/1) ... [2021-11-23 15:54:28,607 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:54:28,644 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:54:29,019 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_02855011-a554-41bb-9375-a51365e03a9b/sv-benchmarks/c/xcsp/Dubois-018.c[13032,13045] [2021-11-23 15:54:29,027 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:54:29,043 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:54:29,158 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_02855011-a554-41bb-9375-a51365e03a9b/sv-benchmarks/c/xcsp/Dubois-018.c[13032,13045] [2021-11-23 15:54:29,161 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:54:29,174 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:54:29,175 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:29 WrapperNode [2021-11-23 15:54:29,175 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:54:29,176 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:54:29,176 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:54:29,176 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:54:29,184 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:29" (1/1) ... [2021-11-23 15:54:29,201 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:29" (1/1) ... [2021-11-23 15:54:29,248 INFO L137 Inliner]: procedures = 13, calls = 151, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 377 [2021-11-23 15:54:29,248 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:54:29,249 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:54:29,249 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:54:29,250 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:54:29,258 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:29" (1/1) ... [2021-11-23 15:54:29,258 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:29" (1/1) ... [2021-11-23 15:54:29,263 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:29" (1/1) ... [2021-11-23 15:54:29,263 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:29" (1/1) ... [2021-11-23 15:54:29,283 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:29" (1/1) ... [2021-11-23 15:54:29,286 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:29" (1/1) ... [2021-11-23 15:54:29,289 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:29" (1/1) ... [2021-11-23 15:54:29,297 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:54:29,298 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:54:29,298 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:54:29,298 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:54:29,299 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:29" (1/1) ... [2021-11-23 15:54:29,306 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:54:29,334 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02855011-a554-41bb-9375-a51365e03a9b/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:54:29,352 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02855011-a554-41bb-9375-a51365e03a9b/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:54:29,372 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02855011-a554-41bb-9375-a51365e03a9b/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:54:29,397 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:54:29,398 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:54:29,398 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:54:29,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:54:29,398 INFO L130 BoogieDeclarations]: Found specification of procedure assume [2021-11-23 15:54:29,398 INFO L138 BoogieDeclarations]: Found implementation of procedure assume [2021-11-23 15:54:29,554 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:54:29,556 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:54:29,941 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:54:30,009 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 15:54:30,013 INFO L158 Benchmark]: Toolchain (without parser) took 1419.98ms. Allocated memory is still 123.7MB. Free memory was 81.7MB in the beginning and 53.1MB in the end (delta: 28.6MB). Peak memory consumption was 27.0MB. Max. memory is 16.1GB. [2021-11-23 15:54:30,015 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 123.7MB. Free memory is still 99.0MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:54:30,015 INFO L158 Benchmark]: CACSL2BoogieTranslator took 581.00ms. Allocated memory is still 123.7MB. Free memory was 81.5MB in the beginning and 82.4MB in the end (delta: -905.7kB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 15:54:30,016 INFO L158 Benchmark]: Boogie Procedure Inliner took 72.73ms. Allocated memory is still 123.7MB. Free memory was 82.4MB in the beginning and 77.0MB in the end (delta: 5.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-23 15:54:30,017 INFO L158 Benchmark]: Boogie Preprocessor took 48.02ms. Allocated memory is still 123.7MB. Free memory was 77.0MB in the beginning and 74.1MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:54:30,018 INFO L158 Benchmark]: RCFGBuilder took 713.90ms. Allocated memory is still 123.7MB. Free memory was 74.1MB in the beginning and 53.1MB in the end (delta: 20.9MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2021-11-23 15:54:30,021 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 123.7MB. Free memory is still 99.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 581.00ms. Allocated memory is still 123.7MB. Free memory was 81.5MB in the beginning and 82.4MB in the end (delta: -905.7kB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 72.73ms. Allocated memory is still 123.7MB. Free memory was 82.4MB in the beginning and 77.0MB in the end (delta: 5.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 48.02ms. Allocated memory is still 123.7MB. Free memory was 77.0MB in the beginning and 74.1MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 713.90ms. Allocated memory is still 123.7MB. Free memory was 74.1MB in the beginning and 53.1MB in the end (delta: 20.9MB). Peak memory consumption was 21.0MB. 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 15:54:30,085 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02855011-a554-41bb-9375-a51365e03a9b/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_02855011-a554-41bb-9375-a51365e03a9b/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02855011-a554-41bb-9375-a51365e03a9b/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_02855011-a554-41bb-9375-a51365e03a9b/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02855011-a554-41bb-9375-a51365e03a9b/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/xcsp/Dubois-018.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02855011-a554-41bb-9375-a51365e03a9b/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_02855011-a554-41bb-9375-a51365e03a9b/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 5eaeb668526dd99d52a76e364cd090d11972ce6d53b14aa44ca6d3800bf0c3f1 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:54:32,398 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:54:32,402 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:54:32,446 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:54:32,447 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:54:32,452 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:54:32,454 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:54:32,461 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:54:32,464 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:54:32,470 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:54:32,473 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:54:32,475 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:54:32,476 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:54:32,478 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:54:32,480 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:54:32,484 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:54:32,486 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:54:32,487 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:54:32,502 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:54:32,510 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:54:32,513 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:54:32,515 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:54:32,517 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:54:32,520 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:54:32,529 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:54:32,531 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:54:32,532 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:54:32,533 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:54:32,534 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:54:32,535 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:54:32,536 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:54:32,537 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:54:32,538 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:54:32,539 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:54:32,541 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:54:32,541 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:54:32,542 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:54:32,542 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:54:32,542 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:54:32,544 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:54:32,545 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:54:32,546 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02855011-a554-41bb-9375-a51365e03a9b/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 15:54:32,591 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:54:32,592 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:54:32,593 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:54:32,593 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:54:32,595 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:54:32,595 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:54:32,596 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:54:32,596 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:54:32,596 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:54:32,596 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:54:32,598 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:54:32,598 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:54:32,598 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:54:32,598 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:54:32,599 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:54:32,599 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:54:32,599 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:54:32,599 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:54:32,600 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:54:32,600 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:54:32,600 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:54:32,600 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:54:32,600 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:54:32,601 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:54:32,601 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:54:32,601 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:54:32,601 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:54:32,602 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:54:32,602 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:54:32,602 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:54:32,602 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:54:32,603 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:54:32,603 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_02855011-a554-41bb-9375-a51365e03a9b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02855011-a554-41bb-9375-a51365e03a9b/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5eaeb668526dd99d52a76e364cd090d11972ce6d53b14aa44ca6d3800bf0c3f1 [2021-11-23 15:54:33,012 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:54:33,044 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:54:33,048 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:54:33,049 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:54:33,050 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:54:33,054 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02855011-a554-41bb-9375-a51365e03a9b/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/xcsp/Dubois-018.c [2021-11-23 15:54:33,128 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02855011-a554-41bb-9375-a51365e03a9b/bin/ukojak-CwSLpZB5Qu/data/7e1d51af3/c797e72901004604a98703a19941abeb/FLAG6b7b07a72 [2021-11-23 15:54:33,808 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:54:33,809 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02855011-a554-41bb-9375-a51365e03a9b/sv-benchmarks/c/xcsp/Dubois-018.c [2021-11-23 15:54:33,824 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02855011-a554-41bb-9375-a51365e03a9b/bin/ukojak-CwSLpZB5Qu/data/7e1d51af3/c797e72901004604a98703a19941abeb/FLAG6b7b07a72 [2021-11-23 15:54:34,086 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02855011-a554-41bb-9375-a51365e03a9b/bin/ukojak-CwSLpZB5Qu/data/7e1d51af3/c797e72901004604a98703a19941abeb [2021-11-23 15:54:34,089 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:54:34,090 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:54:34,092 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:54:34,092 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:54:34,096 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:54:34,096 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:54:34" (1/1) ... [2021-11-23 15:54:34,098 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@222d51c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:34, skipping insertion in model container [2021-11-23 15:54:34,098 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:54:34" (1/1) ... [2021-11-23 15:54:34,105 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:54:34,137 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:54:34,444 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_02855011-a554-41bb-9375-a51365e03a9b/sv-benchmarks/c/xcsp/Dubois-018.c[13032,13045] [2021-11-23 15:54:34,452 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:54:34,463 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:54:34,546 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_02855011-a554-41bb-9375-a51365e03a9b/sv-benchmarks/c/xcsp/Dubois-018.c[13032,13045] [2021-11-23 15:54:34,549 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:54:34,563 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:54:34,563 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:34 WrapperNode [2021-11-23 15:54:34,563 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:54:34,565 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:54:34,565 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:54:34,565 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:54:34,572 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:34" (1/1) ... [2021-11-23 15:54:34,591 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:34" (1/1) ... [2021-11-23 15:54:34,672 INFO L137 Inliner]: procedures = 13, calls = 151, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 323 [2021-11-23 15:54:34,672 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:54:34,673 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:54:34,673 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:54:34,673 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:54:34,681 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:34" (1/1) ... [2021-11-23 15:54:34,684 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:34" (1/1) ... [2021-11-23 15:54:34,694 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:34" (1/1) ... [2021-11-23 15:54:34,706 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:34" (1/1) ... [2021-11-23 15:54:34,731 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:34" (1/1) ... [2021-11-23 15:54:34,733 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:34" (1/1) ... [2021-11-23 15:54:34,739 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:34" (1/1) ... [2021-11-23 15:54:34,766 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:54:34,767 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:54:34,767 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:54:34,767 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:54:34,768 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:34" (1/1) ... [2021-11-23 15:54:34,776 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:54:34,788 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02855011-a554-41bb-9375-a51365e03a9b/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:54:34,802 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02855011-a554-41bb-9375-a51365e03a9b/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:54:34,817 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02855011-a554-41bb-9375-a51365e03a9b/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:54:34,852 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:54:34,853 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:54:34,853 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:54:34,853 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:54:34,853 INFO L130 BoogieDeclarations]: Found specification of procedure assume [2021-11-23 15:54:34,854 INFO L138 BoogieDeclarations]: Found implementation of procedure assume [2021-11-23 15:54:35,007 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:54:35,039 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:54:35,482 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:54:35,508 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 15:54:35,513 INFO L158 Benchmark]: Toolchain (without parser) took 1421.74ms. Allocated memory is still 77.6MB. Free memory was 57.7MB in the beginning and 37.0MB in the end (delta: 20.6MB). Peak memory consumption was 27.9MB. Max. memory is 16.1GB. [2021-11-23 15:54:35,514 INFO L158 Benchmark]: CDTParser took 0.48ms. Allocated memory is still 77.6MB. Free memory is still 57.3MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:54:35,517 INFO L158 Benchmark]: CACSL2BoogieTranslator took 472.03ms. Allocated memory is still 77.6MB. Free memory was 57.5MB in the beginning and 47.9MB in the end (delta: 9.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 15:54:35,518 INFO L158 Benchmark]: Boogie Procedure Inliner took 107.57ms. Allocated memory is still 77.6MB. Free memory was 47.9MB in the beginning and 43.1MB in the end (delta: 4.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 15:54:35,519 INFO L158 Benchmark]: Boogie Preprocessor took 93.19ms. Allocated memory is still 77.6MB. Free memory was 43.1MB in the beginning and 40.0MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 15:54:35,520 INFO L158 Benchmark]: RCFGBuilder took 744.49ms. Allocated memory is still 77.6MB. Free memory was 39.7MB in the beginning and 37.0MB in the end (delta: 2.7MB). Peak memory consumption was 12.3MB. Max. memory is 16.1GB. [2021-11-23 15:54:35,523 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.48ms. Allocated memory is still 77.6MB. Free memory is still 57.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 472.03ms. Allocated memory is still 77.6MB. Free memory was 57.5MB in the beginning and 47.9MB in the end (delta: 9.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 107.57ms. Allocated memory is still 77.6MB. Free memory was 47.9MB in the beginning and 43.1MB in the end (delta: 4.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 93.19ms. Allocated memory is still 77.6MB. Free memory was 43.1MB in the beginning and 40.0MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 744.49ms. Allocated memory is still 77.6MB. Free memory was 39.7MB in the beginning and 37.0MB in the end (delta: 2.7MB). Peak memory consumption was 12.3MB. 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 15:54:35,561 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02855011-a554-41bb-9375-a51365e03a9b/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