./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem08_label40.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_f5da5c50-aa2c-4040-b697-837dd86f14df/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5da5c50-aa2c-4040-b697-837dd86f14df/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_f5da5c50-aa2c-4040-b697-837dd86f14df/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5da5c50-aa2c-4040-b697-837dd86f14df/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem08_label40.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5da5c50-aa2c-4040-b697-837dd86f14df/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_f5da5c50-aa2c-4040-b697-837dd86f14df/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 2ef28dfe7c9623fc4b02e43caf66d076f05959bd5930a3518787caffb989c677 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:41:43,623 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:41:43,631 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:41:43,694 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:41:43,694 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:41:43,696 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:41:43,704 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:41:43,709 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:41:43,713 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:41:43,721 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:41:43,723 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:41:43,725 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:41:43,725 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:41:43,729 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:41:43,734 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:41:43,741 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:41:43,743 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:41:43,747 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:41:43,749 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:41:43,754 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:41:43,761 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:41:43,763 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:41:43,767 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:41:43,769 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:41:43,777 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:41:43,777 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:41:43,778 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:41:43,780 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:41:43,781 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:41:43,783 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:41:43,784 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:41:43,785 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:41:43,787 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:41:43,789 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:41:43,791 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:41:43,791 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:41:43,792 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:41:43,792 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:41:43,793 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:41:43,794 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:41:43,795 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:41:43,796 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5da5c50-aa2c-4040-b697-837dd86f14df/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:41:43,838 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:41:43,839 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:41:43,840 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:41:43,840 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:41:43,841 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:41:43,841 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:41:43,841 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:41:43,842 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:41:43,842 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:41:43,842 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:41:43,842 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:41:43,843 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:41:43,843 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:41:43,843 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:41:43,843 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:41:43,844 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:41:43,844 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:41:43,844 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:41:43,844 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:41:43,845 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:41:43,845 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:41:43,845 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:41:43,846 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:41:43,846 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:41:43,846 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:41:43,846 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:41:43,847 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:41:43,847 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:41:43,847 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_f5da5c50-aa2c-4040-b697-837dd86f14df/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5da5c50-aa2c-4040-b697-837dd86f14df/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2ef28dfe7c9623fc4b02e43caf66d076f05959bd5930a3518787caffb989c677 [2021-11-23 15:41:44,142 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:41:44,166 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:41:44,169 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:41:44,170 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:41:44,171 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:41:44,173 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5da5c50-aa2c-4040-b697-837dd86f14df/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/eca-rers2012/Problem08_label40.c [2021-11-23 15:41:44,241 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5da5c50-aa2c-4040-b697-837dd86f14df/bin/ukojak-CwSLpZB5Qu/data/d13bb7356/d66664bb991248efbbc45518663ec1c7/FLAG0cf031144 [2021-11-23 15:41:48,292 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:41:48,293 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5da5c50-aa2c-4040-b697-837dd86f14df/sv-benchmarks/c/eca-rers2012/Problem08_label40.c [2021-11-23 15:41:48,579 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5da5c50-aa2c-4040-b697-837dd86f14df/bin/ukojak-CwSLpZB5Qu/data/d13bb7356/d66664bb991248efbbc45518663ec1c7/FLAG0cf031144 [2021-11-23 15:41:48,650 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5da5c50-aa2c-4040-b697-837dd86f14df/bin/ukojak-CwSLpZB5Qu/data/d13bb7356/d66664bb991248efbbc45518663ec1c7 [2021-11-23 15:41:48,652 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:41:48,654 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:41:48,656 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:41:48,656 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:41:48,659 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:41:48,660 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:41:48" (1/1) ... [2021-11-23 15:41:48,662 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e6c60ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:41:48, skipping insertion in model container [2021-11-23 15:41:48,662 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:41:48" (1/1) ... [2021-11-23 15:41:48,671 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:41:50,228 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:42:17,187 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_f5da5c50-aa2c-4040-b697-837dd86f14df/sv-benchmarks/c/eca-rers2012/Problem08_label40.c[5712877,5712890] [2021-11-23 15:42:17,319 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:42:17,330 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:42:31,383 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_f5da5c50-aa2c-4040-b697-837dd86f14df/sv-benchmarks/c/eca-rers2012/Problem08_label40.c[5712877,5712890] [2021-11-23 15:42:31,391 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:42:36,754 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:42:36,761 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:42:36 WrapperNode [2021-11-23 15:42:36,761 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:42:36,763 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:42:36,763 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:42:36,763 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:42:36,770 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:42:36" (1/1) ... [2021-11-23 15:42:38,641 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:42:36" (1/1) ... [2021-11-23 15:42:43,324 INFO L137 Inliner]: procedures = 95, calls = 89, calls flagged for inlining = 84, calls inlined = 84, statements flattened = 184288 [2021-11-23 15:42:43,325 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:42:43,325 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:42:43,326 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:42:43,326 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:42:43,334 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:42:36" (1/1) ... [2021-11-23 15:42:43,335 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:42:36" (1/1) ... [2021-11-23 15:42:44,944 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:42:36" (1/1) ... [2021-11-23 15:42:44,945 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:42:36" (1/1) ... [2021-11-23 15:42:48,332 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:42:36" (1/1) ... [2021-11-23 15:42:48,914 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:42:36" (1/1) ... [2021-11-23 15:42:49,381 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:42:36" (1/1) ... [2021-11-23 15:42:50,277 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:42:50,295 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:42:50,295 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:42:50,295 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:42:50,297 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:42:36" (1/1) ... [2021-11-23 15:42:50,305 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:42:50,325 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5da5c50-aa2c-4040-b697-837dd86f14df/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:42:50,348 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5da5c50-aa2c-4040-b697-837dd86f14df/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:42:50,361 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5da5c50-aa2c-4040-b697-837dd86f14df/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:42:50,394 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:42:50,395 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:42:50,395 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:42:50,395 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:42:50,593 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:42:50,595 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:44:02,346 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:44:02,596 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 15:44:02,601 INFO L158 Benchmark]: Toolchain (without parser) took 133945.80ms. Allocated memory was 734.0MB in the beginning and 11.9GB in the end (delta: 11.2GB). Free memory was 465.9MB in the beginning and 8.4GB in the end (delta: -7.9GB). Peak memory consumption was 3.8GB. Max. memory is 16.1GB. [2021-11-23 15:44:02,602 INFO L158 Benchmark]: CDTParser took 0.40ms. Allocated memory is still 104.9MB. Free memory is still 79.1MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:44:02,604 INFO L158 Benchmark]: CACSL2BoogieTranslator took 48106.27ms. Allocated memory was 734.0MB in the beginning and 5.8GB in the end (delta: 5.0GB). Free memory was 465.9MB in the beginning and 3.8GB in the end (delta: -3.3GB). Peak memory consumption was 1.8GB. Max. memory is 16.1GB. [2021-11-23 15:44:02,605 INFO L158 Benchmark]: Boogie Procedure Inliner took 6562.12ms. Allocated memory was 5.8GB in the beginning and 8.1GB in the end (delta: 2.4GB). Free memory was 3.8GB in the beginning and 5.5GB in the end (delta: -1.7GB). Peak memory consumption was 742.4MB. Max. memory is 16.1GB. [2021-11-23 15:44:02,606 INFO L158 Benchmark]: Boogie Preprocessor took 6952.52ms. Allocated memory was 8.1GB in the beginning and 10.5GB in the end (delta: 2.4GB). Free memory was 5.5GB in the beginning and 7.4GB in the end (delta: -1.9GB). Peak memory consumption was 546.3MB. Max. memory is 16.1GB. [2021-11-23 15:44:02,607 INFO L158 Benchmark]: RCFGBuilder took 72304.11ms. Allocated memory was 10.5GB in the beginning and 11.9GB in the end (delta: 1.4GB). Free memory was 7.4GB in the beginning and 8.4GB in the end (delta: -961.5MB). Peak memory consumption was 906.0MB. Max. memory is 16.1GB. [2021-11-23 15:44:02,618 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 104.9MB. Free memory is still 79.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 48106.27ms. Allocated memory was 734.0MB in the beginning and 5.8GB in the end (delta: 5.0GB). Free memory was 465.9MB in the beginning and 3.8GB in the end (delta: -3.3GB). Peak memory consumption was 1.8GB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 6562.12ms. Allocated memory was 5.8GB in the beginning and 8.1GB in the end (delta: 2.4GB). Free memory was 3.8GB in the beginning and 5.5GB in the end (delta: -1.7GB). Peak memory consumption was 742.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 6952.52ms. Allocated memory was 8.1GB in the beginning and 10.5GB in the end (delta: 2.4GB). Free memory was 5.5GB in the beginning and 7.4GB in the end (delta: -1.9GB). Peak memory consumption was 546.3MB. Max. memory is 16.1GB. * RCFGBuilder took 72304.11ms. Allocated memory was 10.5GB in the beginning and 11.9GB in the end (delta: 1.4GB). Free memory was 7.4GB in the beginning and 8.4GB in the end (delta: -961.5MB). Peak memory consumption was 906.0MB. 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 15:44:02,718 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5da5c50-aa2c-4040-b697-837dd86f14df/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with 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_f5da5c50-aa2c-4040-b697-837dd86f14df/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5da5c50-aa2c-4040-b697-837dd86f14df/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_f5da5c50-aa2c-4040-b697-837dd86f14df/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5da5c50-aa2c-4040-b697-837dd86f14df/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem08_label40.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5da5c50-aa2c-4040-b697-837dd86f14df/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_f5da5c50-aa2c-4040-b697-837dd86f14df/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 2ef28dfe7c9623fc4b02e43caf66d076f05959bd5930a3518787caffb989c677 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:44:05,442 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:44:05,445 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:44:05,498 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:44:05,499 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:44:05,504 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:44:05,508 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:44:05,516 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:44:05,520 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:44:05,527 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:44:05,528 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:44:05,531 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:44:05,532 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:44:05,535 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:44:05,538 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:44:05,541 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:44:05,543 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:44:05,544 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:44:05,550 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:44:05,556 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:44:05,558 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:44:05,563 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:44:05,566 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:44:05,570 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:44:05,580 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:44:05,581 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:44:05,581 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:44:05,582 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:44:05,583 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:44:05,584 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:44:05,585 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:44:05,586 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:44:05,587 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:44:05,588 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:44:05,597 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:44:05,597 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:44:05,598 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:44:05,599 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:44:05,599 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:44:05,601 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:44:05,602 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:44:05,603 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5da5c50-aa2c-4040-b697-837dd86f14df/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 15:44:05,655 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:44:05,656 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:44:05,658 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:44:05,658 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:44:05,659 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:44:05,660 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:44:05,660 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:44:05,665 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:44:05,665 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:44:05,665 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:44:05,666 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:44:05,666 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:44:05,667 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:44:05,667 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:44:05,667 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:44:05,667 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:44:05,667 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:44:05,668 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:44:05,668 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:44:05,668 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:44:05,668 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:44:05,668 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:44:05,669 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:44:05,669 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:44:05,669 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:44:05,669 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:44:05,670 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:44:05,670 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:44:05,670 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:44:05,670 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:44:05,670 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:44:05,670 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:44:05,671 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_f5da5c50-aa2c-4040-b697-837dd86f14df/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5da5c50-aa2c-4040-b697-837dd86f14df/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2ef28dfe7c9623fc4b02e43caf66d076f05959bd5930a3518787caffb989c677 [2021-11-23 15:44:06,076 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:44:06,108 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:44:06,111 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:44:06,113 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:44:06,113 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:44:06,117 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5da5c50-aa2c-4040-b697-837dd86f14df/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/eca-rers2012/Problem08_label40.c [2021-11-23 15:44:06,207 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5da5c50-aa2c-4040-b697-837dd86f14df/bin/ukojak-CwSLpZB5Qu/data/fc0b49ceb/6fe737c63c07457e93d3093ebf27435b/FLAGbe6764cae [2021-11-23 15:44:11,237 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:44:11,238 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5da5c50-aa2c-4040-b697-837dd86f14df/sv-benchmarks/c/eca-rers2012/Problem08_label40.c [2021-11-23 15:44:11,525 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5da5c50-aa2c-4040-b697-837dd86f14df/bin/ukojak-CwSLpZB5Qu/data/fc0b49ceb/6fe737c63c07457e93d3093ebf27435b/FLAGbe6764cae [2021-11-23 15:44:11,776 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5da5c50-aa2c-4040-b697-837dd86f14df/bin/ukojak-CwSLpZB5Qu/data/fc0b49ceb/6fe737c63c07457e93d3093ebf27435b [2021-11-23 15:44:11,778 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:44:11,780 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:44:11,781 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:44:11,782 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:44:11,786 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:44:11,787 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:44:11" (1/1) ... [2021-11-23 15:44:11,788 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72a0e4a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:44:11, skipping insertion in model container [2021-11-23 15:44:11,788 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:44:11" (1/1) ... [2021-11-23 15:44:11,797 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:44:13,456 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:44:40,470 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_f5da5c50-aa2c-4040-b697-837dd86f14df/sv-benchmarks/c/eca-rers2012/Problem08_label40.c[5712877,5712890] [2021-11-23 15:44:40,605 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:44:40,618 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:44:54,911 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_f5da5c50-aa2c-4040-b697-837dd86f14df/sv-benchmarks/c/eca-rers2012/Problem08_label40.c[5712877,5712890] [2021-11-23 15:44:54,919 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:44:59,705 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:44:59,706 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:44:59 WrapperNode [2021-11-23 15:44:59,706 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:44:59,707 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:44:59,707 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:44:59,707 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:44:59,714 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:44:59" (1/1) ... [2021-11-23 15:45:00,965 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:44:59" (1/1) ... [2021-11-23 15:45:06,275 INFO L137 Inliner]: procedures = 95, calls = 89, calls flagged for inlining = 84, calls inlined = 84, statements flattened = 184205 [2021-11-23 15:45:06,275 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:45:06,276 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:45:06,276 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:45:06,276 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:45:06,285 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:44:59" (1/1) ... [2021-11-23 15:45:06,285 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:44:59" (1/1) ... [2021-11-23 15:45:07,193 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:44:59" (1/1) ... [2021-11-23 15:45:07,194 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:44:59" (1/1) ... [2021-11-23 15:45:09,605 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:44:59" (1/1) ... [2021-11-23 15:45:10,798 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:44:59" (1/1) ... [2021-11-23 15:45:11,364 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:44:59" (1/1) ... [2021-11-23 15:45:12,127 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:45:12,131 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:45:12,132 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:45:12,133 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:45:12,134 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:44:59" (1/1) ... [2021-11-23 15:45:12,165 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:45:12,175 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5da5c50-aa2c-4040-b697-837dd86f14df/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:45:12,186 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5da5c50-aa2c-4040-b697-837dd86f14df/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:45:12,208 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5da5c50-aa2c-4040-b697-837dd86f14df/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:45:12,238 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:45:12,238 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:45:12,239 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:45:12,239 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:45:12,477 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:45:12,479 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:46:49,630 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:46:49,833 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 15:46:49,838 INFO L158 Benchmark]: Toolchain (without parser) took 158057.14ms. Allocated memory was 738.2MB in the beginning and 11.8GB in the end (delta: 11.1GB). Free memory was 436.5MB in the beginning and 8.2GB in the end (delta: -7.7GB). Peak memory consumption was 3.7GB. Max. memory is 16.1GB. [2021-11-23 15:46:49,839 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 65.0MB. Free memory was 45.2MB in the beginning and 45.1MB in the end (delta: 44.8kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:46:49,840 INFO L158 Benchmark]: CACSL2BoogieTranslator took 47925.28ms. Allocated memory was 738.2MB in the beginning and 7.3GB in the end (delta: 6.6GB). Free memory was 435.5MB in the beginning and 5.3GB in the end (delta: -4.9GB). Peak memory consumption was 3.0GB. Max. memory is 16.1GB. [2021-11-23 15:46:49,841 INFO L158 Benchmark]: Boogie Procedure Inliner took 6568.52ms. Allocated memory is still 7.3GB. Free memory was 5.3GB in the beginning and 4.7GB in the end (delta: 644.3MB). Peak memory consumption was 836.2MB. Max. memory is 16.1GB. [2021-11-23 15:46:49,842 INFO L158 Benchmark]: Boogie Preprocessor took 5851.68ms. Allocated memory was 7.3GB in the beginning and 10.1GB in the end (delta: 2.8GB). Free memory was 4.7GB in the beginning and 7.0GB in the end (delta: -2.3GB). Peak memory consumption was 824.2MB. Max. memory is 16.1GB. [2021-11-23 15:46:49,843 INFO L158 Benchmark]: RCFGBuilder took 97704.54ms. Allocated memory was 10.1GB in the beginning and 11.8GB in the end (delta: 1.7GB). Free memory was 7.0GB in the beginning and 8.2GB in the end (delta: -1.2GB). Peak memory consumption was 974.1MB. Max. memory is 16.1GB. [2021-11-23 15:46:49,847 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 65.0MB. Free memory was 45.2MB in the beginning and 45.1MB in the end (delta: 44.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 47925.28ms. Allocated memory was 738.2MB in the beginning and 7.3GB in the end (delta: 6.6GB). Free memory was 435.5MB in the beginning and 5.3GB in the end (delta: -4.9GB). Peak memory consumption was 3.0GB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 6568.52ms. Allocated memory is still 7.3GB. Free memory was 5.3GB in the beginning and 4.7GB in the end (delta: 644.3MB). Peak memory consumption was 836.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 5851.68ms. Allocated memory was 7.3GB in the beginning and 10.1GB in the end (delta: 2.8GB). Free memory was 4.7GB in the beginning and 7.0GB in the end (delta: -2.3GB). Peak memory consumption was 824.2MB. Max. memory is 16.1GB. * RCFGBuilder took 97704.54ms. Allocated memory was 10.1GB in the beginning and 11.8GB in the end (delta: 1.7GB). Free memory was 7.0GB in the beginning and 8.2GB in the end (delta: -1.2GB). Peak memory consumption was 974.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 15:46:49,947 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5da5c50-aa2c-4040-b697-837dd86f14df/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