./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-programs/Problem102_label24.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_1a6f9587-8855-482a-baf6-28b6cb176ce6/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a6f9587-8855-482a-baf6-28b6cb176ce6/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_1a6f9587-8855-482a-baf6-28b6cb176ce6/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a6f9587-8855-482a-baf6-28b6cb176ce6/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-programs/Problem102_label24.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a6f9587-8855-482a-baf6-28b6cb176ce6/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_1a6f9587-8855-482a-baf6-28b6cb176ce6/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 6c6ff186dfbc46ddd0951922683802eb05c96e2108fdbfada09575c0213d1608 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:58:37,177 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:58:37,179 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:58:37,222 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:58:37,223 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:58:37,224 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:58:37,226 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:58:37,229 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:58:37,232 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:58:37,233 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:58:37,235 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:58:37,236 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:58:37,237 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:58:37,239 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:58:37,241 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:58:37,243 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:58:37,244 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:58:37,245 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:58:37,248 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:58:37,251 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:58:37,254 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:58:37,256 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:58:37,257 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:58:37,258 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:58:37,263 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:58:37,263 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:58:37,264 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:58:37,265 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:58:37,266 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:58:37,267 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:58:37,268 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:58:37,269 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:58:37,270 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:58:37,271 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:58:37,272 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:58:37,273 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:58:37,274 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:58:37,274 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:58:37,275 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:58:37,276 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:58:37,277 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:58:37,279 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a6f9587-8855-482a-baf6-28b6cb176ce6/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:58:37,326 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:58:37,326 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:58:37,329 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:58:37,329 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:58:37,330 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:58:37,330 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:58:37,330 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:58:37,331 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:58:37,331 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:58:37,331 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:58:37,332 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:58:37,333 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:58:37,333 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:58:37,333 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:58:37,333 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:58:37,334 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:58:37,334 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:58:37,334 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:58:37,334 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:58:37,335 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:58:37,335 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:58:37,335 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:58:37,336 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:58:37,336 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:58:37,336 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:58:37,336 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:58:37,337 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:58:37,337 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:58:37,337 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_1a6f9587-8855-482a-baf6-28b6cb176ce6/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a6f9587-8855-482a-baf6-28b6cb176ce6/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6c6ff186dfbc46ddd0951922683802eb05c96e2108fdbfada09575c0213d1608 [2021-11-23 15:58:37,671 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:58:37,695 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:58:37,698 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:58:37,700 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:58:37,701 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:58:37,702 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a6f9587-8855-482a-baf6-28b6cb176ce6/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/eca-programs/Problem102_label24.c [2021-11-23 15:58:37,777 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a6f9587-8855-482a-baf6-28b6cb176ce6/bin/ukojak-CwSLpZB5Qu/data/95f766c9d/eff9c3151b6c4298bdb54fa8e7f5337b/FLAG696592a6b [2021-11-23 15:58:42,388 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:58:42,389 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a6f9587-8855-482a-baf6-28b6cb176ce6/sv-benchmarks/c/eca-programs/Problem102_label24.c [2021-11-23 15:58:42,688 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a6f9587-8855-482a-baf6-28b6cb176ce6/bin/ukojak-CwSLpZB5Qu/data/95f766c9d/eff9c3151b6c4298bdb54fa8e7f5337b/FLAG696592a6b [2021-11-23 15:58:43,155 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a6f9587-8855-482a-baf6-28b6cb176ce6/bin/ukojak-CwSLpZB5Qu/data/95f766c9d/eff9c3151b6c4298bdb54fa8e7f5337b [2021-11-23 15:58:43,158 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:58:43,160 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:58:43,161 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:58:43,161 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:58:43,165 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:58:43,166 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:58:43" (1/1) ... [2021-11-23 15:58:43,167 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a98da27 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:43, skipping insertion in model container [2021-11-23 15:58:43,168 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:58:43" (1/1) ... [2021-11-23 15:58:43,176 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:58:44,854 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:59:14,215 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_1a6f9587-8855-482a-baf6-28b6cb176ce6/sv-benchmarks/c/eca-programs/Problem102_label24.c[5709187,5709200] [2021-11-23 15:59:14,365 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:59:14,376 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:59:29,346 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_1a6f9587-8855-482a-baf6-28b6cb176ce6/sv-benchmarks/c/eca-programs/Problem102_label24.c[5709187,5709200] [2021-11-23 15:59:29,360 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:59:34,990 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:59:34,991 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:59:34 WrapperNode [2021-11-23 15:59:34,991 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:59:34,992 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:59:34,993 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:59:34,993 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:59:35,003 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:59:34" (1/1) ... [2021-11-23 15:59:36,882 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:59:34" (1/1) ... [2021-11-23 15:59:42,254 INFO L137 Inliner]: procedures = 95, calls = 89, calls flagged for inlining = 84, calls inlined = 84, statements flattened = 184295 [2021-11-23 15:59:42,255 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:59:42,255 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:59:42,256 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:59:42,256 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:59:42,263 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:59:34" (1/1) ... [2021-11-23 15:59:42,263 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:59:34" (1/1) ... [2021-11-23 15:59:43,253 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:59:34" (1/1) ... [2021-11-23 15:59:43,254 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:59:34" (1/1) ... [2021-11-23 15:59:46,623 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:59:34" (1/1) ... [2021-11-23 15:59:47,172 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:59:34" (1/1) ... [2021-11-23 15:59:47,989 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:59:34" (1/1) ... [2021-11-23 15:59:48,928 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:59:48,929 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:59:48,930 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:59:48,930 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:59:48,931 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:59:34" (1/1) ... [2021-11-23 15:59:48,939 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:59:48,974 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a6f9587-8855-482a-baf6-28b6cb176ce6/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:59:48,990 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a6f9587-8855-482a-baf6-28b6cb176ce6/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:59:49,016 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a6f9587-8855-482a-baf6-28b6cb176ce6/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:59:49,050 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:59:49,051 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:59:49,051 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:59:49,054 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:59:49,288 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:59:49,290 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 16:00:52,082 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 16:00:52,286 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 16:00:52,291 INFO L158 Benchmark]: Toolchain (without parser) took 129129.81ms. Allocated memory was 486.5MB in the beginning and 12.2GB in the end (delta: 11.7GB). Free memory was 192.2MB in the beginning and 8.4GB in the end (delta: -8.2GB). Peak memory consumption was 3.8GB. Max. memory is 16.1GB. [2021-11-23 16:00:52,293 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 94.4MB. Free memory was 69.3MB in the beginning and 69.2MB in the end (delta: 49.3kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 16:00:52,295 INFO L158 Benchmark]: CACSL2BoogieTranslator took 51830.29ms. Allocated memory was 486.5MB in the beginning and 5.2GB in the end (delta: 4.7GB). Free memory was 192.2MB in the beginning and 3.2GB in the end (delta: -3.0GB). Peak memory consumption was 2.5GB. Max. memory is 16.1GB. [2021-11-23 16:00:52,296 INFO L158 Benchmark]: Boogie Procedure Inliner took 7262.54ms. Allocated memory was 5.2GB in the beginning and 8.2GB in the end (delta: 3.0GB). Free memory was 3.2GB in the beginning and 5.6GB in the end (delta: -2.4GB). Peak memory consumption was 844.1MB. Max. memory is 16.1GB. [2021-11-23 16:00:52,297 INFO L158 Benchmark]: Boogie Preprocessor took 6673.13ms. Allocated memory was 8.2GB in the beginning and 10.9GB in the end (delta: 2.7GB). Free memory was 5.6GB in the beginning and 7.8GB in the end (delta: -2.2GB). Peak memory consumption was 629.1MB. Max. memory is 16.1GB. [2021-11-23 16:00:52,299 INFO L158 Benchmark]: RCFGBuilder took 63359.20ms. Allocated memory was 10.9GB in the beginning and 12.2GB in the end (delta: 1.3GB). Free memory was 7.8GB in the beginning and 8.4GB in the end (delta: -608.2MB). Peak memory consumption was 941.6MB. Max. memory is 16.1GB. [2021-11-23 16:00:52,308 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 94.4MB. Free memory was 69.3MB in the beginning and 69.2MB in the end (delta: 49.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 51830.29ms. Allocated memory was 486.5MB in the beginning and 5.2GB in the end (delta: 4.7GB). Free memory was 192.2MB in the beginning and 3.2GB in the end (delta: -3.0GB). Peak memory consumption was 2.5GB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 7262.54ms. Allocated memory was 5.2GB in the beginning and 8.2GB in the end (delta: 3.0GB). Free memory was 3.2GB in the beginning and 5.6GB in the end (delta: -2.4GB). Peak memory consumption was 844.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 6673.13ms. Allocated memory was 8.2GB in the beginning and 10.9GB in the end (delta: 2.7GB). Free memory was 5.6GB in the beginning and 7.8GB in the end (delta: -2.2GB). Peak memory consumption was 629.1MB. Max. memory is 16.1GB. * RCFGBuilder took 63359.20ms. Allocated memory was 10.9GB in the beginning and 12.2GB in the end (delta: 1.3GB). Free memory was 7.8GB in the beginning and 8.4GB in the end (delta: -608.2MB). Peak memory consumption was 941.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 16:00:52,402 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a6f9587-8855-482a-baf6-28b6cb176ce6/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_1a6f9587-8855-482a-baf6-28b6cb176ce6/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a6f9587-8855-482a-baf6-28b6cb176ce6/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_1a6f9587-8855-482a-baf6-28b6cb176ce6/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a6f9587-8855-482a-baf6-28b6cb176ce6/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-programs/Problem102_label24.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a6f9587-8855-482a-baf6-28b6cb176ce6/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_1a6f9587-8855-482a-baf6-28b6cb176ce6/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 6c6ff186dfbc46ddd0951922683802eb05c96e2108fdbfada09575c0213d1608 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 16:00:54,714 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 16:00:54,717 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 16:00:54,748 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 16:00:54,748 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 16:00:54,750 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 16:00:54,751 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 16:00:54,754 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 16:00:54,756 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 16:00:54,757 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 16:00:54,758 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 16:00:54,760 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 16:00:54,760 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 16:00:54,761 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 16:00:54,763 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 16:00:54,770 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 16:00:54,772 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 16:00:54,773 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 16:00:54,775 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 16:00:54,778 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 16:00:54,782 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 16:00:54,784 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 16:00:54,787 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 16:00:54,787 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 16:00:54,791 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 16:00:54,791 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 16:00:54,792 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 16:00:54,793 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 16:00:54,793 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 16:00:54,794 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 16:00:54,795 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 16:00:54,796 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 16:00:54,796 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 16:00:54,797 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 16:00:54,798 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 16:00:54,799 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 16:00:54,799 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 16:00:54,800 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 16:00:54,800 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 16:00:54,801 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 16:00:54,802 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 16:00:54,803 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a6f9587-8855-482a-baf6-28b6cb176ce6/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 16:00:54,833 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 16:00:54,833 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 16:00:54,834 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 16:00:54,835 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 16:00:54,836 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 16:00:54,836 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 16:00:54,836 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 16:00:54,837 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 16:00:54,837 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 16:00:54,838 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 16:00:54,838 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 16:00:54,838 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 16:00:54,839 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 16:00:54,839 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 16:00:54,839 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 16:00:54,840 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 16:00:54,840 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 16:00:54,841 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 16:00:54,841 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 16:00:54,841 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 16:00:54,841 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 16:00:54,841 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 16:00:54,842 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 16:00:54,842 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 16:00:54,842 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 16:00:54,842 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 16:00:54,843 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 16:00:54,843 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 16:00:54,843 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 16:00:54,843 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 16:00:54,844 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 16:00:54,844 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 16:00:54,844 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_1a6f9587-8855-482a-baf6-28b6cb176ce6/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a6f9587-8855-482a-baf6-28b6cb176ce6/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6c6ff186dfbc46ddd0951922683802eb05c96e2108fdbfada09575c0213d1608 [2021-11-23 16:00:55,232 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 16:00:55,257 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 16:00:55,260 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 16:00:55,261 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 16:00:55,262 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 16:00:55,265 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a6f9587-8855-482a-baf6-28b6cb176ce6/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/eca-programs/Problem102_label24.c [2021-11-23 16:00:55,320 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a6f9587-8855-482a-baf6-28b6cb176ce6/bin/ukojak-CwSLpZB5Qu/data/f9b74222f/4c2a897cc03f4aaf8b3523cd308b8e76/FLAG851a75463 [2021-11-23 16:00:59,198 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 16:00:59,198 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a6f9587-8855-482a-baf6-28b6cb176ce6/sv-benchmarks/c/eca-programs/Problem102_label24.c [2021-11-23 16:00:59,476 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a6f9587-8855-482a-baf6-28b6cb176ce6/bin/ukojak-CwSLpZB5Qu/data/f9b74222f/4c2a897cc03f4aaf8b3523cd308b8e76/FLAG851a75463 [2021-11-23 16:00:59,669 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a6f9587-8855-482a-baf6-28b6cb176ce6/bin/ukojak-CwSLpZB5Qu/data/f9b74222f/4c2a897cc03f4aaf8b3523cd308b8e76 [2021-11-23 16:00:59,673 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 16:00:59,675 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 16:00:59,677 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 16:00:59,678 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 16:00:59,682 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 16:00:59,683 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:00:59" (1/1) ... [2021-11-23 16:00:59,684 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46de55 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:00:59, skipping insertion in model container [2021-11-23 16:00:59,685 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:00:59" (1/1) ... [2021-11-23 16:00:59,692 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 16:01:01,249 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 16:01:27,345 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_1a6f9587-8855-482a-baf6-28b6cb176ce6/sv-benchmarks/c/eca-programs/Problem102_label24.c[5709187,5709200] [2021-11-23 16:01:27,468 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 16:01:27,478 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 16:01:40,808 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_1a6f9587-8855-482a-baf6-28b6cb176ce6/sv-benchmarks/c/eca-programs/Problem102_label24.c[5709187,5709200] [2021-11-23 16:01:40,819 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 16:01:44,696 INFO L208 MainTranslator]: Completed translation [2021-11-23 16:01:44,697 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:01:44 WrapperNode [2021-11-23 16:01:44,697 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 16:01:44,697 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 16:01:44,698 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 16:01:44,698 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 16:01:44,703 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:01:44" (1/1) ... [2021-11-23 16:01:45,845 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:01:44" (1/1) ... [2021-11-23 16:01:51,114 INFO L137 Inliner]: procedures = 95, calls = 89, calls flagged for inlining = 84, calls inlined = 84, statements flattened = 184212 [2021-11-23 16:01:51,114 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 16:01:51,115 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 16:01:51,115 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 16:01:51,116 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 16:01:51,124 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:01:44" (1/1) ... [2021-11-23 16:01:51,125 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:01:44" (1/1) ... [2021-11-23 16:01:51,953 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:01:44" (1/1) ... [2021-11-23 16:01:51,954 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:01:44" (1/1) ... [2021-11-23 16:01:55,120 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:01:44" (1/1) ... [2021-11-23 16:01:55,418 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:01:44" (1/1) ... [2021-11-23 16:01:55,797 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:01:44" (1/1) ... [2021-11-23 16:01:56,477 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 16:01:56,478 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 16:01:56,478 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 16:01:56,478 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 16:01:56,479 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:01:44" (1/1) ... [2021-11-23 16:01:56,487 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 16:01:56,498 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a6f9587-8855-482a-baf6-28b6cb176ce6/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 16:01:56,526 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a6f9587-8855-482a-baf6-28b6cb176ce6/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 16:01:56,564 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a6f9587-8855-482a-baf6-28b6cb176ce6/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 16:01:56,582 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 16:01:56,582 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 16:01:56,583 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 16:01:56,583 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 16:01:56,854 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 16:01:56,855 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 16:03:27,913 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 16:03:28,170 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 16:03:28,176 INFO L158 Benchmark]: Toolchain (without parser) took 148499.18ms. Allocated memory was 736.1MB in the beginning and 12.4GB in the end (delta: 11.6GB). Free memory was 430.2MB in the beginning and 8.4GB in the end (delta: -8.0GB). Peak memory consumption was 3.7GB. Max. memory is 16.1GB. [2021-11-23 16:03:28,178 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 54.5MB. Free memory was 34.4MB in the beginning and 34.3MB in the end (delta: 38.4kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 16:03:28,179 INFO L158 Benchmark]: CACSL2BoogieTranslator took 45019.67ms. Allocated memory was 736.1MB in the beginning and 6.6GB in the end (delta: 5.9GB). Free memory was 429.2MB in the beginning and 4.6GB in the end (delta: -4.2GB). Peak memory consumption was 2.9GB. Max. memory is 16.1GB. [2021-11-23 16:03:28,180 INFO L158 Benchmark]: Boogie Procedure Inliner took 6417.07ms. Allocated memory was 6.6GB in the beginning and 9.5GB in the end (delta: 2.9GB). Free memory was 4.6GB in the beginning and 6.9GB in the end (delta: -2.2GB). Peak memory consumption was 690.0MB. Max. memory is 16.1GB. [2021-11-23 16:03:28,181 INFO L158 Benchmark]: Boogie Preprocessor took 5361.68ms. Allocated memory is still 9.5GB. Free memory was 6.9GB in the beginning and 6.4GB in the end (delta: 422.6MB). Peak memory consumption was 672.1MB. Max. memory is 16.1GB. [2021-11-23 16:03:28,182 INFO L158 Benchmark]: RCFGBuilder took 91695.54ms. Allocated memory was 9.5GB in the beginning and 12.4GB in the end (delta: 2.8GB). Free memory was 6.4GB in the beginning and 8.4GB in the end (delta: -2.0GB). Peak memory consumption was 940.6MB. Max. memory is 16.1GB. [2021-11-23 16:03:28,191 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 54.5MB. Free memory was 34.4MB in the beginning and 34.3MB in the end (delta: 38.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 45019.67ms. Allocated memory was 736.1MB in the beginning and 6.6GB in the end (delta: 5.9GB). Free memory was 429.2MB in the beginning and 4.6GB in the end (delta: -4.2GB). Peak memory consumption was 2.9GB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 6417.07ms. Allocated memory was 6.6GB in the beginning and 9.5GB in the end (delta: 2.9GB). Free memory was 4.6GB in the beginning and 6.9GB in the end (delta: -2.2GB). Peak memory consumption was 690.0MB. Max. memory is 16.1GB. * Boogie Preprocessor took 5361.68ms. Allocated memory is still 9.5GB. Free memory was 6.9GB in the beginning and 6.4GB in the end (delta: 422.6MB). Peak memory consumption was 672.1MB. Max. memory is 16.1GB. * RCFGBuilder took 91695.54ms. Allocated memory was 9.5GB in the beginning and 12.4GB in the end (delta: 2.8GB). Free memory was 6.4GB in the beginning and 8.4GB in the end (delta: -2.0GB). Peak memory consumption was 940.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 16:03:28,288 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a6f9587-8855-482a-baf6-28b6cb176ce6/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