./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem07_label31.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_7f823529-44ef-4846-882b-2ea31879cbd7/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f823529-44ef-4846-882b-2ea31879cbd7/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_7f823529-44ef-4846-882b-2ea31879cbd7/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f823529-44ef-4846-882b-2ea31879cbd7/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem07_label31.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f823529-44ef-4846-882b-2ea31879cbd7/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_7f823529-44ef-4846-882b-2ea31879cbd7/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 f83a9c43933e711b1a7beefadeccb1b5638af94004ddd15d91ccaba112a2f806 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:38:29,190 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:38:29,193 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:38:29,265 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:38:29,266 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:38:29,272 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:38:29,275 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:38:29,280 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:38:29,283 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:38:29,293 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:38:29,294 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:38:29,297 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:38:29,298 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:38:29,301 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:38:29,304 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:38:29,311 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:38:29,313 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:38:29,315 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:38:29,317 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:38:29,330 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:38:29,333 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:38:29,335 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:38:29,339 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:38:29,341 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:38:29,345 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:38:29,346 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:38:29,346 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:38:29,349 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:38:29,350 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:38:29,351 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:38:29,352 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:38:29,353 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:38:29,356 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:38:29,357 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:38:29,359 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:38:29,360 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:38:29,361 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:38:29,361 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:38:29,361 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:38:29,362 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:38:29,363 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:38:29,364 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f823529-44ef-4846-882b-2ea31879cbd7/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:38:29,412 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:38:29,412 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:38:29,414 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:38:29,414 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:38:29,415 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:38:29,415 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:38:29,416 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:38:29,416 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:38:29,423 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:38:29,423 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:38:29,424 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:38:29,424 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:38:29,425 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:38:29,425 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:38:29,425 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:38:29,426 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:38:29,426 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:38:29,426 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:38:29,426 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:38:29,427 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:38:29,427 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:38:29,427 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:38:29,428 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:38:29,428 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:38:29,428 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:38:29,428 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:38:29,429 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:38:29,429 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:38:29,429 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_7f823529-44ef-4846-882b-2ea31879cbd7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f823529-44ef-4846-882b-2ea31879cbd7/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f83a9c43933e711b1a7beefadeccb1b5638af94004ddd15d91ccaba112a2f806 [2021-11-23 15:38:29,691 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:38:29,713 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:38:29,716 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:38:29,718 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:38:29,719 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:38:29,720 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f823529-44ef-4846-882b-2ea31879cbd7/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/eca-rers2012/Problem07_label31.c [2021-11-23 15:38:29,797 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f823529-44ef-4846-882b-2ea31879cbd7/bin/ukojak-CwSLpZB5Qu/data/753b1cd0c/9a5c6f1743ab45bdafbea9a228d819f3/FLAG2f0799d24 [2021-11-23 15:38:32,543 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:38:32,544 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f823529-44ef-4846-882b-2ea31879cbd7/sv-benchmarks/c/eca-rers2012/Problem07_label31.c [2021-11-23 15:38:32,714 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f823529-44ef-4846-882b-2ea31879cbd7/bin/ukojak-CwSLpZB5Qu/data/753b1cd0c/9a5c6f1743ab45bdafbea9a228d819f3/FLAG2f0799d24 [2021-11-23 15:38:33,193 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f823529-44ef-4846-882b-2ea31879cbd7/bin/ukojak-CwSLpZB5Qu/data/753b1cd0c/9a5c6f1743ab45bdafbea9a228d819f3 [2021-11-23 15:38:33,196 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:38:33,197 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:38:33,199 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:38:33,199 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:38:33,204 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:38:33,205 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:38:33" (1/1) ... [2021-11-23 15:38:33,207 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7367fe68 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:38:33, skipping insertion in model container [2021-11-23 15:38:33,207 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:38:33" (1/1) ... [2021-11-23 15:38:33,214 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:38:34,388 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:38:46,902 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_7f823529-44ef-4846-882b-2ea31879cbd7/sv-benchmarks/c/eca-rers2012/Problem07_label31.c[2768307,2768320] [2021-11-23 15:38:46,980 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:38:46,989 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:38:54,976 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_7f823529-44ef-4846-882b-2ea31879cbd7/sv-benchmarks/c/eca-rers2012/Problem07_label31.c[2768307,2768320] [2021-11-23 15:38:54,989 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:38:56,447 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:38:56,448 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:38:56 WrapperNode [2021-11-23 15:38:56,448 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:38:56,449 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:38:56,450 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:38:56,450 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:38:56,467 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:38:56" (1/1) ... [2021-11-23 15:38:57,477 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:38:56" (1/1) ... [2021-11-23 15:39:00,674 INFO L137 Inliner]: procedures = 59, calls = 53, calls flagged for inlining = 48, calls inlined = 48, statements flattened = 83773 [2021-11-23 15:39:00,675 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:39:00,676 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:39:00,676 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:39:00,677 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:39:00,685 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:38:56" (1/1) ... [2021-11-23 15:39:00,686 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:38:56" (1/1) ... [2021-11-23 15:39:01,612 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:38:56" (1/1) ... [2021-11-23 15:39:01,613 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:38:56" (1/1) ... [2021-11-23 15:39:03,244 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:38:56" (1/1) ... [2021-11-23 15:39:03,451 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:38:56" (1/1) ... [2021-11-23 15:39:03,888 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:38:56" (1/1) ... [2021-11-23 15:39:04,303 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:39:04,304 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:39:04,304 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:39:04,304 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:39:04,305 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:38:56" (1/1) ... [2021-11-23 15:39:04,314 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:39:04,325 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f823529-44ef-4846-882b-2ea31879cbd7/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:39:04,336 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f823529-44ef-4846-882b-2ea31879cbd7/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:39:04,347 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f823529-44ef-4846-882b-2ea31879cbd7/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:39:04,380 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:39:04,380 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:39:04,380 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:39:04,380 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:39:04,509 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:39:04,510 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:39:43,867 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:39:44,003 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 15:39:44,009 INFO L158 Benchmark]: Toolchain (without parser) took 70809.39ms. Allocated memory was 295.7MB in the beginning and 8.5GB in the end (delta: 8.2GB). Free memory was 161.8MB in the beginning and 6.8GB in the end (delta: -6.6GB). Peak memory consumption was 1.7GB. Max. memory is 16.1GB. [2021-11-23 15:39:44,010 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 119.5MB. Free memory is still 74.9MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:39:44,012 INFO L158 Benchmark]: CACSL2BoogieTranslator took 23249.97ms. Allocated memory was 295.7MB in the beginning and 1.4GB in the end (delta: 1.1GB). Free memory was 160.7MB in the beginning and 762.6MB in the end (delta: -601.9MB). Peak memory consumption was 778.0MB. Max. memory is 16.1GB. [2021-11-23 15:39:44,014 INFO L158 Benchmark]: Boogie Procedure Inliner took 4225.56ms. Allocated memory was 1.4GB in the beginning and 2.9GB in the end (delta: 1.4GB). Free memory was 762.6MB in the beginning and 1.9GB in the end (delta: -1.1GB). Peak memory consumption was 347.1MB. Max. memory is 16.1GB. [2021-11-23 15:39:44,015 INFO L158 Benchmark]: Boogie Preprocessor took 3626.89ms. Allocated memory was 2.9GB in the beginning and 5.6GB in the end (delta: 2.8GB). Free memory was 1.9GB in the beginning and 4.4GB in the end (delta: -2.5GB). Peak memory consumption was 403.7MB. Max. memory is 16.1GB. [2021-11-23 15:39:44,016 INFO L158 Benchmark]: RCFGBuilder took 39701.72ms. Allocated memory was 5.6GB in the beginning and 8.5GB in the end (delta: 2.9GB). Free memory was 4.4GB in the beginning and 6.8GB in the end (delta: -2.4GB). Peak memory consumption was 599.8MB. Max. memory is 16.1GB. [2021-11-23 15:39:44,027 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 119.5MB. Free memory is still 74.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 23249.97ms. Allocated memory was 295.7MB in the beginning and 1.4GB in the end (delta: 1.1GB). Free memory was 160.7MB in the beginning and 762.6MB in the end (delta: -601.9MB). Peak memory consumption was 778.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 4225.56ms. Allocated memory was 1.4GB in the beginning and 2.9GB in the end (delta: 1.4GB). Free memory was 762.6MB in the beginning and 1.9GB in the end (delta: -1.1GB). Peak memory consumption was 347.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 3626.89ms. Allocated memory was 2.9GB in the beginning and 5.6GB in the end (delta: 2.8GB). Free memory was 1.9GB in the beginning and 4.4GB in the end (delta: -2.5GB). Peak memory consumption was 403.7MB. Max. memory is 16.1GB. * RCFGBuilder took 39701.72ms. Allocated memory was 5.6GB in the beginning and 8.5GB in the end (delta: 2.9GB). Free memory was 4.4GB in the beginning and 6.8GB in the end (delta: -2.4GB). Peak memory consumption was 599.8MB. 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 15:39:44,101 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f823529-44ef-4846-882b-2ea31879cbd7/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_7f823529-44ef-4846-882b-2ea31879cbd7/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f823529-44ef-4846-882b-2ea31879cbd7/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_7f823529-44ef-4846-882b-2ea31879cbd7/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f823529-44ef-4846-882b-2ea31879cbd7/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem07_label31.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f823529-44ef-4846-882b-2ea31879cbd7/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_7f823529-44ef-4846-882b-2ea31879cbd7/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 f83a9c43933e711b1a7beefadeccb1b5638af94004ddd15d91ccaba112a2f806 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:39:46,867 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:39:46,869 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:39:46,903 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:39:46,903 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:39:46,905 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:39:46,907 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:39:46,910 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:39:46,912 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:39:46,914 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:39:46,915 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:39:46,916 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:39:46,917 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:39:46,919 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:39:46,920 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:39:46,922 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:39:46,923 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:39:46,924 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:39:46,927 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:39:46,929 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:39:46,931 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:39:46,933 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:39:46,934 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:39:46,935 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:39:46,939 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:39:46,940 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:39:46,940 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:39:46,942 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:39:46,942 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:39:46,943 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:39:46,944 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:39:46,945 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:39:46,946 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:39:46,947 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:39:46,948 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:39:46,949 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:39:46,950 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:39:46,950 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:39:46,951 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:39:46,952 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:39:46,953 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:39:46,954 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f823529-44ef-4846-882b-2ea31879cbd7/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 15:39:46,980 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:39:46,981 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:39:46,982 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:39:46,985 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:39:46,986 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:39:46,988 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:39:46,988 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:39:46,988 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:39:46,989 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:39:46,989 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:39:46,990 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:39:46,990 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:39:46,990 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:39:46,991 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:39:46,991 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:39:46,991 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:39:46,991 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:39:46,992 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:39:46,992 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:39:46,992 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:39:46,992 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:39:46,992 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:39:46,993 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:39:46,993 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:39:46,994 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:39:46,994 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:39:46,994 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:39:46,994 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:39:46,995 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:39:46,995 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:39:46,995 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:39:46,995 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:39:46,995 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_7f823529-44ef-4846-882b-2ea31879cbd7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f823529-44ef-4846-882b-2ea31879cbd7/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f83a9c43933e711b1a7beefadeccb1b5638af94004ddd15d91ccaba112a2f806 [2021-11-23 15:39:47,441 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:39:47,473 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:39:47,476 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:39:47,478 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:39:47,479 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:39:47,483 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f823529-44ef-4846-882b-2ea31879cbd7/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/eca-rers2012/Problem07_label31.c [2021-11-23 15:39:47,572 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f823529-44ef-4846-882b-2ea31879cbd7/bin/ukojak-CwSLpZB5Qu/data/7e653bd62/7655dbf3ecc14ae98d423a95d9349139/FLAG2e744ff7b [2021-11-23 15:39:50,737 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:39:50,738 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f823529-44ef-4846-882b-2ea31879cbd7/sv-benchmarks/c/eca-rers2012/Problem07_label31.c [2021-11-23 15:39:50,904 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f823529-44ef-4846-882b-2ea31879cbd7/bin/ukojak-CwSLpZB5Qu/data/7e653bd62/7655dbf3ecc14ae98d423a95d9349139/FLAG2e744ff7b [2021-11-23 15:39:51,078 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f823529-44ef-4846-882b-2ea31879cbd7/bin/ukojak-CwSLpZB5Qu/data/7e653bd62/7655dbf3ecc14ae98d423a95d9349139 [2021-11-23 15:39:51,080 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:39:51,081 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:39:51,083 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:39:51,083 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:39:51,093 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:39:51,098 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:39:51" (1/1) ... [2021-11-23 15:39:51,100 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7cbc5d0d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:39:51, skipping insertion in model container [2021-11-23 15:39:51,100 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:39:51" (1/1) ... [2021-11-23 15:39:51,108 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:39:52,391 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:40:05,053 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_7f823529-44ef-4846-882b-2ea31879cbd7/sv-benchmarks/c/eca-rers2012/Problem07_label31.c[2768307,2768320] [2021-11-23 15:40:05,131 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:40:05,152 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:40:12,271 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_7f823529-44ef-4846-882b-2ea31879cbd7/sv-benchmarks/c/eca-rers2012/Problem07_label31.c[2768307,2768320] [2021-11-23 15:40:12,286 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:40:13,407 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:40:13,408 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:13 WrapperNode [2021-11-23 15:40:13,408 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:40:13,410 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:40:13,410 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:40:13,410 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:40:13,419 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:13" (1/1) ... [2021-11-23 15:40:14,314 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:13" (1/1) ... [2021-11-23 15:40:17,126 INFO L137 Inliner]: procedures = 59, calls = 53, calls flagged for inlining = 48, calls inlined = 48, statements flattened = 83726 [2021-11-23 15:40:17,127 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:40:17,129 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:40:17,129 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:40:17,129 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:40:17,140 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:13" (1/1) ... [2021-11-23 15:40:17,141 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:13" (1/1) ... [2021-11-23 15:40:17,667 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:13" (1/1) ... [2021-11-23 15:40:17,667 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:13" (1/1) ... [2021-11-23 15:40:19,063 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:13" (1/1) ... [2021-11-23 15:40:19,256 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:13" (1/1) ... [2021-11-23 15:40:19,596 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:13" (1/1) ... [2021-11-23 15:40:20,553 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:40:20,567 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:40:20,567 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:40:20,567 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:40:20,568 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:13" (1/1) ... [2021-11-23 15:40:20,578 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:40:20,589 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f823529-44ef-4846-882b-2ea31879cbd7/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:40:20,603 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f823529-44ef-4846-882b-2ea31879cbd7/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:40:20,615 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f823529-44ef-4846-882b-2ea31879cbd7/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:40:20,652 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:40:20,652 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:40:20,652 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:40:20,653 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:40:20,796 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:40:20,798 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:41:18,447 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:41:18,611 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 15:41:18,621 INFO L158 Benchmark]: Toolchain (without parser) took 87536.52ms. Allocated memory was 415.2MB in the beginning and 8.3GB in the end (delta: 7.8GB). Free memory was 266.7MB in the beginning and 6.5GB in the end (delta: -6.2GB). Peak memory consumption was 1.7GB. Max. memory is 16.1GB. [2021-11-23 15:41:18,622 INFO L158 Benchmark]: CDTParser took 0.93ms. Allocated memory is still 50.3MB. Free memory was 30.3MB in the beginning and 30.3MB in the end (delta: 40.7kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:41:18,625 INFO L158 Benchmark]: CACSL2BoogieTranslator took 22325.70ms. Allocated memory was 415.2MB in the beginning and 2.8GB in the end (delta: 2.4GB). Free memory was 265.6MB in the beginning and 2.1GB in the end (delta: -1.8GB). Peak memory consumption was 795.9MB. Max. memory is 16.1GB. [2021-11-23 15:41:18,626 INFO L158 Benchmark]: Boogie Procedure Inliner took 3718.10ms. Allocated memory was 2.8GB in the beginning and 5.4GB in the end (delta: 2.7GB). Free memory was 2.1GB in the beginning and 4.4GB in the end (delta: -2.4GB). Peak memory consumption was 340.8MB. Max. memory is 16.1GB. [2021-11-23 15:41:18,628 INFO L158 Benchmark]: Boogie Preprocessor took 3424.76ms. Allocated memory is still 5.4GB. Free memory was 4.4GB in the beginning and 4.2GB in the end (delta: 176.2MB). Peak memory consumption was 408.9MB. Max. memory is 16.1GB. [2021-11-23 15:41:18,629 INFO L158 Benchmark]: RCFGBuilder took 58050.40ms. Allocated memory was 5.4GB in the beginning and 8.3GB in the end (delta: 2.8GB). Free memory was 4.2GB in the beginning and 6.5GB in the end (delta: -2.2GB). Peak memory consumption was 626.0MB. Max. memory is 16.1GB. [2021-11-23 15:41:18,641 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.93ms. Allocated memory is still 50.3MB. Free memory was 30.3MB in the beginning and 30.3MB in the end (delta: 40.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 22325.70ms. Allocated memory was 415.2MB in the beginning and 2.8GB in the end (delta: 2.4GB). Free memory was 265.6MB in the beginning and 2.1GB in the end (delta: -1.8GB). Peak memory consumption was 795.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 3718.10ms. Allocated memory was 2.8GB in the beginning and 5.4GB in the end (delta: 2.7GB). Free memory was 2.1GB in the beginning and 4.4GB in the end (delta: -2.4GB). Peak memory consumption was 340.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 3424.76ms. Allocated memory is still 5.4GB. Free memory was 4.4GB in the beginning and 4.2GB in the end (delta: 176.2MB). Peak memory consumption was 408.9MB. Max. memory is 16.1GB. * RCFGBuilder took 58050.40ms. Allocated memory was 5.4GB in the beginning and 8.3GB in the end (delta: 2.8GB). Free memory was 4.2GB in the beginning and 6.5GB in the end (delta: -2.2GB). Peak memory consumption was 626.0MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 15:41:18,935 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7f823529-44ef-4846-882b-2ea31879cbd7/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