./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem04_label17.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_8aebb1f2-ba12-4550-a389-8a677127b4f7/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8aebb1f2-ba12-4550-a389-8a677127b4f7/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_8aebb1f2-ba12-4550-a389-8a677127b4f7/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8aebb1f2-ba12-4550-a389-8a677127b4f7/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem04_label17.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8aebb1f2-ba12-4550-a389-8a677127b4f7/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_8aebb1f2-ba12-4550-a389-8a677127b4f7/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 ec8dfa7cbc82eeacd7ecd21e52b45552783d684550437c0ba5ed945fcdc261d2 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:32:15,238 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:32:15,240 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:32:15,288 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:32:15,288 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:32:15,290 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:32:15,292 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:32:15,295 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:32:15,297 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:32:15,299 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:32:15,300 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:32:15,302 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:32:15,303 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:32:15,304 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:32:15,306 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:32:15,308 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:32:15,310 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:32:15,311 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:32:15,314 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:32:15,318 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:32:15,321 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:32:15,323 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:32:15,326 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:32:15,327 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:32:15,332 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:32:15,333 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:32:15,334 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:32:15,335 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:32:15,336 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:32:15,337 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:32:15,338 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:32:15,339 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:32:15,340 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:32:15,341 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:32:15,343 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:32:15,344 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:32:15,345 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:32:15,345 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:32:15,349 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:32:15,351 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:32:15,352 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:32:15,353 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8aebb1f2-ba12-4550-a389-8a677127b4f7/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:32:15,384 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:32:15,384 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:32:15,386 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:32:15,386 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:32:15,387 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:32:15,388 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:32:15,388 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:32:15,389 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:32:15,389 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:32:15,390 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:32:15,390 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:32:15,391 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:32:15,391 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:32:15,392 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:32:15,392 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:32:15,393 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:32:15,393 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:32:15,394 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:32:15,394 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:32:15,395 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:32:15,395 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:32:15,396 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:32:15,396 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:32:15,397 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:32:15,397 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:32:15,397 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:32:15,398 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:32:15,398 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:32:15,399 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_8aebb1f2-ba12-4550-a389-8a677127b4f7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8aebb1f2-ba12-4550-a389-8a677127b4f7/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ec8dfa7cbc82eeacd7ecd21e52b45552783d684550437c0ba5ed945fcdc261d2 [2021-11-23 15:32:15,692 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:32:15,734 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:32:15,737 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:32:15,738 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:32:15,739 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:32:15,741 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8aebb1f2-ba12-4550-a389-8a677127b4f7/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/eca-rers2012/Problem04_label17.c [2021-11-23 15:32:15,839 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8aebb1f2-ba12-4550-a389-8a677127b4f7/bin/ukojak-CwSLpZB5Qu/data/1826c3a6d/b8d4256035bd4dbb8f85195e1ccc6e3b/FLAGf9f4e982d [2021-11-23 15:32:16,893 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:32:16,894 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8aebb1f2-ba12-4550-a389-8a677127b4f7/sv-benchmarks/c/eca-rers2012/Problem04_label17.c [2021-11-23 15:32:16,937 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8aebb1f2-ba12-4550-a389-8a677127b4f7/bin/ukojak-CwSLpZB5Qu/data/1826c3a6d/b8d4256035bd4dbb8f85195e1ccc6e3b/FLAGf9f4e982d [2021-11-23 15:32:17,292 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8aebb1f2-ba12-4550-a389-8a677127b4f7/bin/ukojak-CwSLpZB5Qu/data/1826c3a6d/b8d4256035bd4dbb8f85195e1ccc6e3b [2021-11-23 15:32:17,295 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:32:17,297 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:32:17,298 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:32:17,299 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:32:17,303 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:32:17,304 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:32:17" (1/1) ... [2021-11-23 15:32:17,305 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56d19550 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:32:17, skipping insertion in model container [2021-11-23 15:32:17,306 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:32:17" (1/1) ... [2021-11-23 15:32:17,315 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:32:17,480 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:32:19,091 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_8aebb1f2-ba12-4550-a389-8a677127b4f7/sv-benchmarks/c/eca-rers2012/Problem04_label17.c[178418,178431] [2021-11-23 15:32:19,125 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:32:19,146 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:32:19,974 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_8aebb1f2-ba12-4550-a389-8a677127b4f7/sv-benchmarks/c/eca-rers2012/Problem04_label17.c[178418,178431] [2021-11-23 15:32:19,990 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:32:20,029 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:32:20,030 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:32:20 WrapperNode [2021-11-23 15:32:20,030 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:32:20,032 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:32:20,032 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:32:20,034 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:32:20,045 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:32:20" (1/1) ... [2021-11-23 15:32:20,124 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:32:20" (1/1) ... [2021-11-23 15:32:20,475 INFO L137 Inliner]: procedures = 17, calls = 11, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 5572 [2021-11-23 15:32:20,475 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:32:20,478 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:32:20,478 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:32:20,478 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:32:20,489 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:32:20" (1/1) ... [2021-11-23 15:32:20,490 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:32:20" (1/1) ... [2021-11-23 15:32:20,537 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:32:20" (1/1) ... [2021-11-23 15:32:20,537 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:32:20" (1/1) ... [2021-11-23 15:32:20,820 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:32:20" (1/1) ... [2021-11-23 15:32:20,876 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:32:20" (1/1) ... [2021-11-23 15:32:20,923 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:32:20" (1/1) ... [2021-11-23 15:32:20,969 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:32:20,971 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:32:20,972 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:32:20,972 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:32:20,974 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:32:20" (1/1) ... [2021-11-23 15:32:20,984 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:32:20,999 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8aebb1f2-ba12-4550-a389-8a677127b4f7/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:32:21,016 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8aebb1f2-ba12-4550-a389-8a677127b4f7/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:32:21,036 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8aebb1f2-ba12-4550-a389-8a677127b4f7/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:32:21,078 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:32:21,079 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:32:21,079 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:32:21,080 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:32:21,212 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:32:21,214 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:32:26,402 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:32:26,464 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 15:32:26,470 INFO L158 Benchmark]: Toolchain (without parser) took 9171.74ms. Allocated memory was 119.5MB in the beginning and 360.7MB in the end (delta: 241.2MB). Free memory was 90.2MB in the beginning and 128.2MB in the end (delta: -38.0MB). Peak memory consumption was 206.4MB. Max. memory is 16.1GB. [2021-11-23 15:32:26,470 INFO L158 Benchmark]: CDTParser took 0.40ms. Allocated memory is still 83.9MB. Free memory was 39.5MB in the beginning and 39.5MB in the end (delta: 41.3kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:32:26,472 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2732.60ms. Allocated memory was 119.5MB in the beginning and 180.4MB in the end (delta: 60.8MB). Free memory was 89.5MB in the beginning and 108.8MB in the end (delta: -19.3MB). Peak memory consumption was 65.8MB. Max. memory is 16.1GB. [2021-11-23 15:32:26,473 INFO L158 Benchmark]: Boogie Procedure Inliner took 443.99ms. Allocated memory is still 180.4MB. Free memory was 108.8MB in the beginning and 103.9MB in the end (delta: 4.9MB). Peak memory consumption was 51.1MB. Max. memory is 16.1GB. [2021-11-23 15:32:26,473 INFO L158 Benchmark]: Boogie Preprocessor took 491.69ms. Allocated memory is still 180.4MB. Free memory was 103.9MB in the beginning and 88.9MB in the end (delta: 15.0MB). Peak memory consumption was 36.3MB. Max. memory is 16.1GB. [2021-11-23 15:32:26,475 INFO L158 Benchmark]: RCFGBuilder took 5496.73ms. Allocated memory was 180.4MB in the beginning and 360.7MB in the end (delta: 180.4MB). Free memory was 88.9MB in the beginning and 128.2MB in the end (delta: -39.3MB). Peak memory consumption was 143.4MB. Max. memory is 16.1GB. [2021-11-23 15:32:26,479 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40ms. Allocated memory is still 83.9MB. Free memory was 39.5MB in the beginning and 39.5MB in the end (delta: 41.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2732.60ms. Allocated memory was 119.5MB in the beginning and 180.4MB in the end (delta: 60.8MB). Free memory was 89.5MB in the beginning and 108.8MB in the end (delta: -19.3MB). Peak memory consumption was 65.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 443.99ms. Allocated memory is still 180.4MB. Free memory was 108.8MB in the beginning and 103.9MB in the end (delta: 4.9MB). Peak memory consumption was 51.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 491.69ms. Allocated memory is still 180.4MB. Free memory was 103.9MB in the beginning and 88.9MB in the end (delta: 15.0MB). Peak memory consumption was 36.3MB. Max. memory is 16.1GB. * RCFGBuilder took 5496.73ms. Allocated memory was 180.4MB in the beginning and 360.7MB in the end (delta: 180.4MB). Free memory was 88.9MB in the beginning and 128.2MB in the end (delta: -39.3MB). Peak memory consumption was 143.4MB. 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 15:32:26,530 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8aebb1f2-ba12-4550-a389-8a677127b4f7/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_8aebb1f2-ba12-4550-a389-8a677127b4f7/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8aebb1f2-ba12-4550-a389-8a677127b4f7/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_8aebb1f2-ba12-4550-a389-8a677127b4f7/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8aebb1f2-ba12-4550-a389-8a677127b4f7/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem04_label17.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8aebb1f2-ba12-4550-a389-8a677127b4f7/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_8aebb1f2-ba12-4550-a389-8a677127b4f7/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 ec8dfa7cbc82eeacd7ecd21e52b45552783d684550437c0ba5ed945fcdc261d2 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:32:29,520 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:32:29,524 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:32:29,587 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:32:29,588 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:32:29,594 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:32:29,597 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:32:29,603 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:32:29,607 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:32:29,614 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:32:29,619 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:32:29,621 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:32:29,622 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:32:29,625 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:32:29,628 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:32:29,634 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:32:29,636 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:32:29,638 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:32:29,641 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:32:29,650 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:32:29,653 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:32:29,655 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:32:29,658 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:32:29,661 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:32:29,672 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:32:29,673 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:32:29,674 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:32:29,676 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:32:29,677 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:32:29,679 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:32:29,679 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:32:29,681 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:32:29,683 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:32:29,685 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:32:29,687 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:32:29,687 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:32:29,689 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:32:29,689 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:32:29,690 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:32:29,692 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:32:29,693 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:32:29,700 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8aebb1f2-ba12-4550-a389-8a677127b4f7/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 15:32:29,753 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:32:29,753 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:32:29,755 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:32:29,755 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:32:29,757 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:32:29,758 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:32:29,758 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:32:29,759 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:32:29,759 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:32:29,759 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:32:29,761 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:32:29,761 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:32:29,762 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:32:29,762 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:32:29,762 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:32:29,763 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:32:29,763 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:32:29,763 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:32:29,764 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:32:29,764 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:32:29,764 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:32:29,765 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:32:29,766 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:32:29,766 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:32:29,767 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:32:29,767 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:32:29,767 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:32:29,768 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:32:29,768 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:32:29,768 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:32:29,769 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:32:29,769 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:32:29,770 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_8aebb1f2-ba12-4550-a389-8a677127b4f7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8aebb1f2-ba12-4550-a389-8a677127b4f7/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ec8dfa7cbc82eeacd7ecd21e52b45552783d684550437c0ba5ed945fcdc261d2 [2021-11-23 15:32:30,244 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:32:30,279 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:32:30,282 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:32:30,283 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:32:30,284 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:32:30,286 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8aebb1f2-ba12-4550-a389-8a677127b4f7/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/eca-rers2012/Problem04_label17.c [2021-11-23 15:32:30,365 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8aebb1f2-ba12-4550-a389-8a677127b4f7/bin/ukojak-CwSLpZB5Qu/data/4e85b8a58/76a2057969de4967871c111a84247aab/FLAGf97fc4298 [2021-11-23 15:32:31,419 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:32:31,420 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8aebb1f2-ba12-4550-a389-8a677127b4f7/sv-benchmarks/c/eca-rers2012/Problem04_label17.c [2021-11-23 15:32:31,468 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8aebb1f2-ba12-4550-a389-8a677127b4f7/bin/ukojak-CwSLpZB5Qu/data/4e85b8a58/76a2057969de4967871c111a84247aab/FLAGf97fc4298 [2021-11-23 15:32:31,815 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8aebb1f2-ba12-4550-a389-8a677127b4f7/bin/ukojak-CwSLpZB5Qu/data/4e85b8a58/76a2057969de4967871c111a84247aab [2021-11-23 15:32:31,818 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:32:31,822 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:32:31,826 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:32:31,826 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:32:31,831 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:32:31,832 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:32:31" (1/1) ... [2021-11-23 15:32:31,833 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34413d8f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:32:31, skipping insertion in model container [2021-11-23 15:32:31,834 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:32:31" (1/1) ... [2021-11-23 15:32:31,842 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:32:32,056 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:32:33,637 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_8aebb1f2-ba12-4550-a389-8a677127b4f7/sv-benchmarks/c/eca-rers2012/Problem04_label17.c[178418,178431] [2021-11-23 15:32:33,674 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:32:33,693 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:32:34,507 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_8aebb1f2-ba12-4550-a389-8a677127b4f7/sv-benchmarks/c/eca-rers2012/Problem04_label17.c[178418,178431] [2021-11-23 15:32:34,524 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:32:34,561 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:32:34,562 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:32:34 WrapperNode [2021-11-23 15:32:34,563 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:32:34,564 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:32:34,564 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:32:34,565 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:32:34,574 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:32:34" (1/1) ... [2021-11-23 15:32:34,672 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:32:34" (1/1) ... [2021-11-23 15:32:34,940 INFO L137 Inliner]: procedures = 17, calls = 11, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 5567 [2021-11-23 15:32:34,941 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:32:34,942 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:32:34,943 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:32:34,943 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:32:34,953 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:32:34" (1/1) ... [2021-11-23 15:32:34,954 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:32:34" (1/1) ... [2021-11-23 15:32:34,979 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:32:34" (1/1) ... [2021-11-23 15:32:34,979 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:32:34" (1/1) ... [2021-11-23 15:32:35,202 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:32:34" (1/1) ... [2021-11-23 15:32:35,250 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:32:34" (1/1) ... [2021-11-23 15:32:35,292 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:32:34" (1/1) ... [2021-11-23 15:32:35,335 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:32:35,338 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:32:35,338 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:32:35,339 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:32:35,340 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:32:34" (1/1) ... [2021-11-23 15:32:35,348 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:32:35,364 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8aebb1f2-ba12-4550-a389-8a677127b4f7/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:32:35,379 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8aebb1f2-ba12-4550-a389-8a677127b4f7/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:32:35,398 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8aebb1f2-ba12-4550-a389-8a677127b4f7/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:32:35,436 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:32:35,436 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:32:35,437 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:32:35,437 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:32:35,576 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:32:35,589 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:32:42,021 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:32:42,093 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 15:32:42,099 INFO L158 Benchmark]: Toolchain (without parser) took 10276.01ms. Allocated memory was 58.7MB in the beginning and 446.7MB in the end (delta: 388.0MB). Free memory was 32.8MB in the beginning and 242.3MB in the end (delta: -209.5MB). Peak memory consumption was 198.6MB. Max. memory is 16.1GB. [2021-11-23 15:32:42,100 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 58.7MB. Free memory is still 40.1MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:32:42,101 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2737.19ms. Allocated memory was 58.7MB in the beginning and 113.2MB in the end (delta: 54.5MB). Free memory was 32.6MB in the beginning and 40.4MB in the end (delta: -7.8MB). Peak memory consumption was 49.3MB. Max. memory is 16.1GB. [2021-11-23 15:32:42,102 INFO L158 Benchmark]: Boogie Procedure Inliner took 376.73ms. Allocated memory was 113.2MB in the beginning and 148.9MB in the end (delta: 35.7MB). Free memory was 40.4MB in the beginning and 75.8MB in the end (delta: -35.4MB). Peak memory consumption was 21.2MB. Max. memory is 16.1GB. [2021-11-23 15:32:42,103 INFO L158 Benchmark]: Boogie Preprocessor took 393.23ms. Allocated memory is still 148.9MB. Free memory was 75.8MB in the beginning and 60.1MB in the end (delta: 15.6MB). Peak memory consumption was 30.5MB. Max. memory is 16.1GB. [2021-11-23 15:32:42,104 INFO L158 Benchmark]: RCFGBuilder took 6758.67ms. Allocated memory was 148.9MB in the beginning and 446.7MB in the end (delta: 297.8MB). Free memory was 60.1MB in the beginning and 242.3MB in the end (delta: -182.2MB). Peak memory consumption was 135.3MB. Max. memory is 16.1GB. [2021-11-23 15:32:42,109 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 58.7MB. Free memory is still 40.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2737.19ms. Allocated memory was 58.7MB in the beginning and 113.2MB in the end (delta: 54.5MB). Free memory was 32.6MB in the beginning and 40.4MB in the end (delta: -7.8MB). Peak memory consumption was 49.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 376.73ms. Allocated memory was 113.2MB in the beginning and 148.9MB in the end (delta: 35.7MB). Free memory was 40.4MB in the beginning and 75.8MB in the end (delta: -35.4MB). Peak memory consumption was 21.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 393.23ms. Allocated memory is still 148.9MB. Free memory was 75.8MB in the beginning and 60.1MB in the end (delta: 15.6MB). Peak memory consumption was 30.5MB. Max. memory is 16.1GB. * RCFGBuilder took 6758.67ms. Allocated memory was 148.9MB in the beginning and 446.7MB in the end (delta: 297.8MB). Free memory was 60.1MB in the beginning and 242.3MB in the end (delta: -182.2MB). Peak memory consumption was 135.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 15:32:42,170 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8aebb1f2-ba12-4550-a389-8a677127b4f7/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