./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem16_label30.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_69fdf19f-dfc8-4167-84cb-520dc60ddb3d/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69fdf19f-dfc8-4167-84cb-520dc60ddb3d/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_69fdf19f-dfc8-4167-84cb-520dc60ddb3d/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69fdf19f-dfc8-4167-84cb-520dc60ddb3d/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem16_label30.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69fdf19f-dfc8-4167-84cb-520dc60ddb3d/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_69fdf19f-dfc8-4167-84cb-520dc60ddb3d/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 12d23798e1ec2473ce2c19acb587b0594ab921b365483c260e8791dd4e57612e --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:50:14,225 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:50:14,227 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:50:14,265 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:50:14,266 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:50:14,267 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:50:14,269 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:50:14,271 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:50:14,273 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:50:14,274 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:50:14,276 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:50:14,277 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:50:14,278 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:50:14,279 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:50:14,281 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:50:14,282 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:50:14,284 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:50:14,285 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:50:14,287 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:50:14,290 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:50:14,292 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:50:14,294 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:50:14,296 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:50:14,297 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:50:14,301 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:50:14,301 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:50:14,302 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:50:14,303 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:50:14,304 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:50:14,305 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:50:14,305 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:50:14,307 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:50:14,307 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:50:14,308 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:50:14,310 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:50:14,310 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:50:14,311 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:50:14,312 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:50:14,312 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:50:14,313 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:50:14,314 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:50:14,315 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69fdf19f-dfc8-4167-84cb-520dc60ddb3d/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:50:14,339 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:50:14,340 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:50:14,340 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:50:14,341 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:50:14,341 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:50:14,342 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:50:14,342 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:50:14,342 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:50:14,342 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:50:14,342 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:50:14,342 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:50:14,343 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:50:14,343 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:50:14,343 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:50:14,343 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:50:14,343 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:50:14,344 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:50:14,344 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:50:14,344 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:50:14,344 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:50:14,344 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:50:14,344 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:50:14,345 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:50:14,345 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:50:14,345 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:50:14,345 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:50:14,345 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:50:14,346 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:50:14,346 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_69fdf19f-dfc8-4167-84cb-520dc60ddb3d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69fdf19f-dfc8-4167-84cb-520dc60ddb3d/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 12d23798e1ec2473ce2c19acb587b0594ab921b365483c260e8791dd4e57612e [2021-11-23 15:50:14,647 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:50:14,672 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:50:14,675 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:50:14,676 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:50:14,677 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:50:14,679 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69fdf19f-dfc8-4167-84cb-520dc60ddb3d/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/eca-rers2012/Problem16_label30.c [2021-11-23 15:50:14,755 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69fdf19f-dfc8-4167-84cb-520dc60ddb3d/bin/ukojak-CwSLpZB5Qu/data/41522c5e9/506e35291ecf42a393ff6e56da4d86fc/FLAG5b3002428 [2021-11-23 15:50:15,403 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:50:15,403 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69fdf19f-dfc8-4167-84cb-520dc60ddb3d/sv-benchmarks/c/eca-rers2012/Problem16_label30.c [2021-11-23 15:50:15,433 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69fdf19f-dfc8-4167-84cb-520dc60ddb3d/bin/ukojak-CwSLpZB5Qu/data/41522c5e9/506e35291ecf42a393ff6e56da4d86fc/FLAG5b3002428 [2021-11-23 15:50:15,574 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69fdf19f-dfc8-4167-84cb-520dc60ddb3d/bin/ukojak-CwSLpZB5Qu/data/41522c5e9/506e35291ecf42a393ff6e56da4d86fc [2021-11-23 15:50:15,577 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:50:15,579 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:50:15,583 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:50:15,583 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:50:15,587 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:50:15,588 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:50:15" (1/1) ... [2021-11-23 15:50:15,593 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@47b9fd06 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:15, skipping insertion in model container [2021-11-23 15:50:15,594 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:50:15" (1/1) ... [2021-11-23 15:50:15,623 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:50:15,696 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:50:15,945 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_69fdf19f-dfc8-4167-84cb-520dc60ddb3d/sv-benchmarks/c/eca-rers2012/Problem16_label30.c[1812,1825] [2021-11-23 15:50:16,506 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:50:16,515 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:50:16,533 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_69fdf19f-dfc8-4167-84cb-520dc60ddb3d/sv-benchmarks/c/eca-rers2012/Problem16_label30.c[1812,1825] [2021-11-23 15:50:16,854 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:50:16,871 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:50:16,871 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:16 WrapperNode [2021-11-23 15:50:16,872 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:50:16,873 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:50:16,873 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:50:16,874 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:50:16,882 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:16" (1/1) ... [2021-11-23 15:50:16,932 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:16" (1/1) ... [2021-11-23 15:50:17,099 INFO L137 Inliner]: procedures = 15, calls = 9, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 1768 [2021-11-23 15:50:17,099 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:50:17,100 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:50:17,100 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:50:17,101 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:50:17,109 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:16" (1/1) ... [2021-11-23 15:50:17,110 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:16" (1/1) ... [2021-11-23 15:50:17,131 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:16" (1/1) ... [2021-11-23 15:50:17,131 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:16" (1/1) ... [2021-11-23 15:50:17,201 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:16" (1/1) ... [2021-11-23 15:50:17,229 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:16" (1/1) ... [2021-11-23 15:50:17,246 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:16" (1/1) ... [2021-11-23 15:50:17,258 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:50:17,259 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:50:17,259 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:50:17,259 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:50:17,260 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:16" (1/1) ... [2021-11-23 15:50:17,268 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:50:17,279 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69fdf19f-dfc8-4167-84cb-520dc60ddb3d/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:50:17,291 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69fdf19f-dfc8-4167-84cb-520dc60ddb3d/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:50:17,306 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69fdf19f-dfc8-4167-84cb-520dc60ddb3d/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:50:17,342 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:50:17,343 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:50:17,343 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:50:17,344 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:50:17,417 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:50:17,419 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:50:19,629 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:50:19,679 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 15:50:19,685 INFO L158 Benchmark]: Toolchain (without parser) took 4103.78ms. Allocated memory was 86.0MB in the beginning and 174.1MB in the end (delta: 88.1MB). Free memory was 44.6MB in the beginning and 85.8MB in the end (delta: -41.2MB). Peak memory consumption was 66.0MB. Max. memory is 16.1GB. [2021-11-23 15:50:19,686 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 86.0MB. Free memory was 65.5MB in the beginning and 65.4MB in the end (delta: 92.4kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:50:19,688 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1288.64ms. Allocated memory was 86.0MB in the beginning and 107.0MB in the end (delta: 21.0MB). Free memory was 44.4MB in the beginning and 62.0MB in the end (delta: -17.6MB). Peak memory consumption was 19.5MB. Max. memory is 16.1GB. [2021-11-23 15:50:19,689 INFO L158 Benchmark]: Boogie Procedure Inliner took 226.74ms. Allocated memory is still 107.0MB. Free memory was 61.5MB in the beginning and 65.2MB in the end (delta: -3.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2021-11-23 15:50:19,690 INFO L158 Benchmark]: Boogie Preprocessor took 157.86ms. Allocated memory is still 107.0MB. Free memory was 65.2MB in the beginning and 52.2MB in the end (delta: 13.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-23 15:50:19,691 INFO L158 Benchmark]: RCFGBuilder took 2422.82ms. Allocated memory was 107.0MB in the beginning and 174.1MB in the end (delta: 67.1MB). Free memory was 52.2MB in the beginning and 85.8MB in the end (delta: -33.6MB). Peak memory consumption was 52.7MB. Max. memory is 16.1GB. [2021-11-23 15:50:19,701 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 86.0MB. Free memory was 65.5MB in the beginning and 65.4MB in the end (delta: 92.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1288.64ms. Allocated memory was 86.0MB in the beginning and 107.0MB in the end (delta: 21.0MB). Free memory was 44.4MB in the beginning and 62.0MB in the end (delta: -17.6MB). Peak memory consumption was 19.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 226.74ms. Allocated memory is still 107.0MB. Free memory was 61.5MB in the beginning and 65.2MB in the end (delta: -3.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 157.86ms. Allocated memory is still 107.0MB. Free memory was 65.2MB in the beginning and 52.2MB in the end (delta: 13.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * RCFGBuilder took 2422.82ms. Allocated memory was 107.0MB in the beginning and 174.1MB in the end (delta: 67.1MB). Free memory was 52.2MB in the beginning and 85.8MB in the end (delta: -33.6MB). Peak memory consumption was 52.7MB. 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 15:50:19,735 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69fdf19f-dfc8-4167-84cb-520dc60ddb3d/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_69fdf19f-dfc8-4167-84cb-520dc60ddb3d/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69fdf19f-dfc8-4167-84cb-520dc60ddb3d/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_69fdf19f-dfc8-4167-84cb-520dc60ddb3d/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69fdf19f-dfc8-4167-84cb-520dc60ddb3d/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem16_label30.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69fdf19f-dfc8-4167-84cb-520dc60ddb3d/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_69fdf19f-dfc8-4167-84cb-520dc60ddb3d/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 12d23798e1ec2473ce2c19acb587b0594ab921b365483c260e8791dd4e57612e --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:50:22,295 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:50:22,298 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:50:22,354 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:50:22,355 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:50:22,359 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:50:22,361 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:50:22,366 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:50:22,369 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:50:22,374 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:50:22,378 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:50:22,380 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:50:22,381 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:50:22,384 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:50:22,386 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:50:22,390 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:50:22,392 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:50:22,393 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:50:22,409 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:50:22,417 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:50:22,419 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:50:22,421 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:50:22,423 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:50:22,426 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:50:22,435 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:50:22,435 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:50:22,436 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:50:22,438 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:50:22,439 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:50:22,440 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:50:22,440 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:50:22,441 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:50:22,443 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:50:22,444 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:50:22,446 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:50:22,446 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:50:22,447 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:50:22,447 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:50:22,447 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:50:22,449 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:50:22,450 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:50:22,451 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69fdf19f-dfc8-4167-84cb-520dc60ddb3d/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 15:50:22,494 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:50:22,494 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:50:22,496 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:50:22,496 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:50:22,498 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:50:22,498 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:50:22,499 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:50:22,499 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:50:22,499 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:50:22,499 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:50:22,500 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:50:22,501 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:50:22,501 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:50:22,501 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:50:22,501 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:50:22,502 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:50:22,502 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:50:22,502 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:50:22,502 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:50:22,503 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:50:22,503 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:50:22,503 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:50:22,503 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:50:22,504 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:50:22,504 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:50:22,504 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:50:22,504 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:50:22,505 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:50:22,505 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:50:22,505 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:50:22,505 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:50:22,506 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:50:22,506 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_69fdf19f-dfc8-4167-84cb-520dc60ddb3d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69fdf19f-dfc8-4167-84cb-520dc60ddb3d/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 12d23798e1ec2473ce2c19acb587b0594ab921b365483c260e8791dd4e57612e [2021-11-23 15:50:22,896 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:50:22,934 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:50:22,937 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:50:22,938 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:50:22,939 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:50:22,940 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69fdf19f-dfc8-4167-84cb-520dc60ddb3d/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/eca-rers2012/Problem16_label30.c [2021-11-23 15:50:23,007 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69fdf19f-dfc8-4167-84cb-520dc60ddb3d/bin/ukojak-CwSLpZB5Qu/data/5fc64483f/396763ad64b747a6905d52d47bdec6c3/FLAGa922a1275 [2021-11-23 15:50:23,724 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:50:23,725 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69fdf19f-dfc8-4167-84cb-520dc60ddb3d/sv-benchmarks/c/eca-rers2012/Problem16_label30.c [2021-11-23 15:50:23,752 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69fdf19f-dfc8-4167-84cb-520dc60ddb3d/bin/ukojak-CwSLpZB5Qu/data/5fc64483f/396763ad64b747a6905d52d47bdec6c3/FLAGa922a1275 [2021-11-23 15:50:23,865 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69fdf19f-dfc8-4167-84cb-520dc60ddb3d/bin/ukojak-CwSLpZB5Qu/data/5fc64483f/396763ad64b747a6905d52d47bdec6c3 [2021-11-23 15:50:23,869 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:50:23,870 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:50:23,873 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:50:23,874 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:50:23,877 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:50:23,878 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:50:23" (1/1) ... [2021-11-23 15:50:23,881 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@568a3d49 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:23, skipping insertion in model container [2021-11-23 15:50:23,881 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:50:23" (1/1) ... [2021-11-23 15:50:23,890 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:50:23,982 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:50:24,182 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_69fdf19f-dfc8-4167-84cb-520dc60ddb3d/sv-benchmarks/c/eca-rers2012/Problem16_label30.c[1812,1825] [2021-11-23 15:50:24,774 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:50:24,786 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:50:24,802 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_69fdf19f-dfc8-4167-84cb-520dc60ddb3d/sv-benchmarks/c/eca-rers2012/Problem16_label30.c[1812,1825] [2021-11-23 15:50:25,037 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:50:25,054 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:50:25,055 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:25 WrapperNode [2021-11-23 15:50:25,055 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:50:25,057 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:50:25,057 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:50:25,057 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:50:25,065 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:25" (1/1) ... [2021-11-23 15:50:25,115 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:25" (1/1) ... [2021-11-23 15:50:25,224 INFO L137 Inliner]: procedures = 15, calls = 9, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 1765 [2021-11-23 15:50:25,225 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:50:25,226 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:50:25,226 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:50:25,226 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:50:25,235 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:25" (1/1) ... [2021-11-23 15:50:25,235 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:25" (1/1) ... [2021-11-23 15:50:25,244 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:25" (1/1) ... [2021-11-23 15:50:25,245 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:25" (1/1) ... [2021-11-23 15:50:25,326 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:25" (1/1) ... [2021-11-23 15:50:25,357 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:25" (1/1) ... [2021-11-23 15:50:25,370 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:25" (1/1) ... [2021-11-23 15:50:25,389 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:50:25,392 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:50:25,393 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:50:25,393 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:50:25,395 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:50:25" (1/1) ... [2021-11-23 15:50:25,402 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:50:25,417 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69fdf19f-dfc8-4167-84cb-520dc60ddb3d/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:50:25,431 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69fdf19f-dfc8-4167-84cb-520dc60ddb3d/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:50:25,461 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69fdf19f-dfc8-4167-84cb-520dc60ddb3d/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:50:25,486 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:50:25,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:50:25,487 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:50:25,487 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:50:25,578 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:50:25,579 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:50:34,322 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:50:34,381 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 15:50:34,394 INFO L158 Benchmark]: Toolchain (without parser) took 10523.04ms. Allocated memory was 65.0MB in the beginning and 115.3MB in the end (delta: 50.3MB). Free memory was 41.3MB in the beginning and 66.4MB in the end (delta: -25.1MB). Peak memory consumption was 51.5MB. Max. memory is 16.1GB. [2021-11-23 15:50:34,395 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 65.0MB. Free memory is still 45.4MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:50:34,396 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1182.59ms. Allocated memory was 65.0MB in the beginning and 83.9MB in the end (delta: 18.9MB). Free memory was 41.2MB in the beginning and 48.2MB in the end (delta: -7.0MB). Peak memory consumption was 29.7MB. Max. memory is 16.1GB. [2021-11-23 15:50:34,397 INFO L158 Benchmark]: Boogie Procedure Inliner took 168.44ms. Allocated memory is still 83.9MB. Free memory was 47.7MB in the beginning and 35.9MB in the end (delta: 11.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 15:50:34,397 INFO L158 Benchmark]: Boogie Preprocessor took 164.97ms. Allocated memory is still 83.9MB. Free memory was 35.9MB in the beginning and 47.8MB in the end (delta: -11.9MB). Peak memory consumption was 14.1MB. Max. memory is 16.1GB. [2021-11-23 15:50:34,398 INFO L158 Benchmark]: RCFGBuilder took 9000.07ms. Allocated memory was 83.9MB in the beginning and 115.3MB in the end (delta: 31.5MB). Free memory was 47.8MB in the beginning and 66.4MB in the end (delta: -18.6MB). Peak memory consumption was 39.1MB. Max. memory is 16.1GB. [2021-11-23 15:50:34,401 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 65.0MB. Free memory is still 45.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1182.59ms. Allocated memory was 65.0MB in the beginning and 83.9MB in the end (delta: 18.9MB). Free memory was 41.2MB in the beginning and 48.2MB in the end (delta: -7.0MB). Peak memory consumption was 29.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 168.44ms. Allocated memory is still 83.9MB. Free memory was 47.7MB in the beginning and 35.9MB in the end (delta: 11.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 164.97ms. Allocated memory is still 83.9MB. Free memory was 35.9MB in the beginning and 47.8MB in the end (delta: -11.9MB). Peak memory consumption was 14.1MB. Max. memory is 16.1GB. * RCFGBuilder took 9000.07ms. Allocated memory was 83.9MB in the beginning and 115.3MB in the end (delta: 31.5MB). Free memory was 47.8MB in the beginning and 66.4MB in the end (delta: -18.6MB). Peak memory consumption was 39.1MB. 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 15:50:34,461 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69fdf19f-dfc8-4167-84cb-520dc60ddb3d/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