./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem04_label52.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_e94b0d09-aa93-4ed2-86a8-415fe580b131/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e94b0d09-aa93-4ed2-86a8-415fe580b131/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_e94b0d09-aa93-4ed2-86a8-415fe580b131/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e94b0d09-aa93-4ed2-86a8-415fe580b131/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem04_label52.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e94b0d09-aa93-4ed2-86a8-415fe580b131/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_e94b0d09-aa93-4ed2-86a8-415fe580b131/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 b4a255d798e1ac9b9130189c639a1b96bb88398d2d5301eab8ae08f063b212ce --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:03:56,795 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:03:56,797 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:03:56,827 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:03:56,828 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:03:56,830 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:03:56,832 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:03:56,834 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:03:56,836 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:03:56,837 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:03:56,839 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:03:56,840 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:03:56,841 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:03:56,842 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:03:56,844 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:03:56,846 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:03:56,847 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:03:56,849 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:03:56,851 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:03:56,854 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:03:56,856 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:03:56,858 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:03:56,859 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:03:56,861 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:03:56,865 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:03:56,865 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:03:56,866 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:03:56,867 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:03:56,868 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:03:56,869 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:03:56,869 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:03:56,870 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:03:56,872 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:03:56,873 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:03:56,874 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:03:56,875 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:03:56,876 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:03:56,876 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:03:56,876 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:03:56,878 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:03:56,879 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:03:56,880 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e94b0d09-aa93-4ed2-86a8-415fe580b131/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:03:56,903 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:03:56,904 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:03:56,905 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:03:56,905 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:03:56,906 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:03:56,907 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:03:56,907 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:03:56,907 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:03:56,908 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:03:56,908 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:03:56,908 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:03:56,908 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:03:56,908 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:03:56,909 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:03:56,909 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:03:56,909 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:03:56,909 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:03:56,910 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:03:56,910 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:03:56,910 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:03:56,910 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:03:56,911 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:03:56,911 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:03:56,911 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:03:56,911 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:03:56,912 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:03:56,912 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:03:56,912 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:03:56,912 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_e94b0d09-aa93-4ed2-86a8-415fe580b131/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e94b0d09-aa93-4ed2-86a8-415fe580b131/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b4a255d798e1ac9b9130189c639a1b96bb88398d2d5301eab8ae08f063b212ce [2021-11-23 15:03:57,158 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:03:57,178 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:03:57,181 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:03:57,182 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:03:57,183 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:03:57,184 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e94b0d09-aa93-4ed2-86a8-415fe580b131/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/eca-rers2012/Problem04_label52.c [2021-11-23 15:03:57,257 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e94b0d09-aa93-4ed2-86a8-415fe580b131/bin/ukojak-CwSLpZB5Qu/data/c203be996/e1557b69fbc24cfabed705c2bef7974a/FLAG71843d50c [2021-11-23 15:03:58,033 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:03:58,034 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e94b0d09-aa93-4ed2-86a8-415fe580b131/sv-benchmarks/c/eca-rers2012/Problem04_label52.c [2021-11-23 15:03:58,067 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e94b0d09-aa93-4ed2-86a8-415fe580b131/bin/ukojak-CwSLpZB5Qu/data/c203be996/e1557b69fbc24cfabed705c2bef7974a/FLAG71843d50c [2021-11-23 15:03:58,110 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e94b0d09-aa93-4ed2-86a8-415fe580b131/bin/ukojak-CwSLpZB5Qu/data/c203be996/e1557b69fbc24cfabed705c2bef7974a [2021-11-23 15:03:58,114 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:03:58,117 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:03:58,119 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:03:58,120 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:03:58,123 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:03:58,123 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:03:58" (1/1) ... [2021-11-23 15:03:58,129 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36d381e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:03:58, skipping insertion in model container [2021-11-23 15:03:58,130 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:03:58" (1/1) ... [2021-11-23 15:03:58,137 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:03:58,293 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:03:59,722 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_e94b0d09-aa93-4ed2-86a8-415fe580b131/sv-benchmarks/c/eca-rers2012/Problem04_label52.c[176915,176928] [2021-11-23 15:03:59,765 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:03:59,782 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:04:00,569 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_e94b0d09-aa93-4ed2-86a8-415fe580b131/sv-benchmarks/c/eca-rers2012/Problem04_label52.c[176915,176928] [2021-11-23 15:04:00,585 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:04:00,615 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:04:00,615 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:00 WrapperNode [2021-11-23 15:04:00,616 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:04:00,617 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:04:00,617 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:04:00,619 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:04:00,627 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:00" (1/1) ... [2021-11-23 15:04:00,724 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:00" (1/1) ... [2021-11-23 15:04:00,896 INFO L137 Inliner]: procedures = 17, calls = 11, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 5572 [2021-11-23 15:04:00,897 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:04:00,897 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:04:00,898 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:04:00,898 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:04:00,907 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:00" (1/1) ... [2021-11-23 15:04:00,907 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:00" (1/1) ... [2021-11-23 15:04:00,928 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:00" (1/1) ... [2021-11-23 15:04:00,929 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:00" (1/1) ... [2021-11-23 15:04:01,064 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:00" (1/1) ... [2021-11-23 15:04:01,126 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:00" (1/1) ... [2021-11-23 15:04:01,138 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:00" (1/1) ... [2021-11-23 15:04:01,165 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:04:01,167 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:04:01,167 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:04:01,167 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:04:01,169 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:00" (1/1) ... [2021-11-23 15:04:01,177 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:04:01,189 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e94b0d09-aa93-4ed2-86a8-415fe580b131/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:04:01,249 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e94b0d09-aa93-4ed2-86a8-415fe580b131/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:04:01,263 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e94b0d09-aa93-4ed2-86a8-415fe580b131/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:04:01,304 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:04:01,305 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:04:01,305 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:04:01,306 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:04:01,418 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:04:01,428 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:04:05,640 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:04:05,719 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 15:04:05,725 INFO L158 Benchmark]: Toolchain (without parser) took 7606.46ms. Allocated memory was 94.4MB in the beginning and 637.5MB in the end (delta: 543.2MB). Free memory was 63.3MB in the beginning and 514.5MB in the end (delta: -451.3MB). Peak memory consumption was 207.6MB. Max. memory is 16.1GB. [2021-11-23 15:04:05,726 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 94.4MB. Free memory is still 72.1MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:04:05,728 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2496.66ms. Allocated memory was 94.4MB in the beginning and 123.7MB in the end (delta: 29.4MB). Free memory was 63.0MB in the beginning and 45.1MB in the end (delta: 17.9MB). Peak memory consumption was 57.6MB. Max. memory is 16.1GB. [2021-11-23 15:04:05,730 INFO L158 Benchmark]: Boogie Procedure Inliner took 280.02ms. Allocated memory was 123.7MB in the beginning and 172.0MB in the end (delta: 48.2MB). Free memory was 45.1MB in the beginning and 83.3MB in the end (delta: -38.3MB). Peak memory consumption was 14.1MB. Max. memory is 16.1GB. [2021-11-23 15:04:05,731 INFO L158 Benchmark]: Boogie Preprocessor took 268.26ms. Allocated memory is still 172.0MB. Free memory was 83.3MB in the beginning and 81.9MB in the end (delta: 1.4MB). Peak memory consumption was 40.0MB. Max. memory is 16.1GB. [2021-11-23 15:04:05,732 INFO L158 Benchmark]: RCFGBuilder took 4555.51ms. Allocated memory was 172.0MB in the beginning and 637.5MB in the end (delta: 465.6MB). Free memory was 81.9MB in the beginning and 514.5MB in the end (delta: -432.6MB). Peak memory consumption was 148.4MB. Max. memory is 16.1GB. [2021-11-23 15:04:05,741 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 94.4MB. Free memory is still 72.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2496.66ms. Allocated memory was 94.4MB in the beginning and 123.7MB in the end (delta: 29.4MB). Free memory was 63.0MB in the beginning and 45.1MB in the end (delta: 17.9MB). Peak memory consumption was 57.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 280.02ms. Allocated memory was 123.7MB in the beginning and 172.0MB in the end (delta: 48.2MB). Free memory was 45.1MB in the beginning and 83.3MB in the end (delta: -38.3MB). Peak memory consumption was 14.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 268.26ms. Allocated memory is still 172.0MB. Free memory was 83.3MB in the beginning and 81.9MB in the end (delta: 1.4MB). Peak memory consumption was 40.0MB. Max. memory is 16.1GB. * RCFGBuilder took 4555.51ms. Allocated memory was 172.0MB in the beginning and 637.5MB in the end (delta: 465.6MB). Free memory was 81.9MB in the beginning and 514.5MB in the end (delta: -432.6MB). Peak memory consumption was 148.4MB. 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 15:04:05,791 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e94b0d09-aa93-4ed2-86a8-415fe580b131/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_e94b0d09-aa93-4ed2-86a8-415fe580b131/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e94b0d09-aa93-4ed2-86a8-415fe580b131/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_e94b0d09-aa93-4ed2-86a8-415fe580b131/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e94b0d09-aa93-4ed2-86a8-415fe580b131/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem04_label52.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e94b0d09-aa93-4ed2-86a8-415fe580b131/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_e94b0d09-aa93-4ed2-86a8-415fe580b131/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 b4a255d798e1ac9b9130189c639a1b96bb88398d2d5301eab8ae08f063b212ce --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:04:08,152 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:04:08,154 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:04:08,192 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:04:08,193 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:04:08,194 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:04:08,201 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:04:08,209 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:04:08,212 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:04:08,217 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:04:08,221 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:04:08,223 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:04:08,223 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:04:08,226 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:04:08,230 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:04:08,233 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:04:08,234 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:04:08,235 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:04:08,242 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:04:08,245 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:04:08,249 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:04:08,250 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:04:08,252 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:04:08,255 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:04:08,264 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:04:08,264 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:04:08,265 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:04:08,266 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:04:08,266 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:04:08,267 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:04:08,268 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:04:08,269 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:04:08,269 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:04:08,270 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:04:08,271 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:04:08,272 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:04:08,272 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:04:08,273 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:04:08,292 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:04:08,294 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:04:08,294 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:04:08,300 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e94b0d09-aa93-4ed2-86a8-415fe580b131/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 15:04:08,342 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:04:08,342 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:04:08,343 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:04:08,343 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:04:08,344 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:04:08,344 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:04:08,345 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:04:08,345 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:04:08,345 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:04:08,345 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:04:08,345 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:04:08,346 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:04:08,346 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:04:08,346 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:04:08,346 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:04:08,346 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:04:08,346 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:04:08,347 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:04:08,347 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:04:08,347 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:04:08,347 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:04:08,348 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:04:08,348 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:04:08,348 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:04:08,348 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:04:08,348 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:04:08,349 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:04:08,349 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:04:08,349 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:04:08,349 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:04:08,349 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:04:08,350 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:04:08,350 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_e94b0d09-aa93-4ed2-86a8-415fe580b131/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e94b0d09-aa93-4ed2-86a8-415fe580b131/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b4a255d798e1ac9b9130189c639a1b96bb88398d2d5301eab8ae08f063b212ce [2021-11-23 15:04:08,743 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:04:08,770 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:04:08,775 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:04:08,777 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:04:08,777 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:04:08,780 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e94b0d09-aa93-4ed2-86a8-415fe580b131/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/eca-rers2012/Problem04_label52.c [2021-11-23 15:04:08,843 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e94b0d09-aa93-4ed2-86a8-415fe580b131/bin/ukojak-CwSLpZB5Qu/data/c3301feb9/8cf4be53398e445e8b2d853da61bd48f/FLAG690bf80b3 [2021-11-23 15:04:09,728 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:04:09,729 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e94b0d09-aa93-4ed2-86a8-415fe580b131/sv-benchmarks/c/eca-rers2012/Problem04_label52.c [2021-11-23 15:04:09,761 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e94b0d09-aa93-4ed2-86a8-415fe580b131/bin/ukojak-CwSLpZB5Qu/data/c3301feb9/8cf4be53398e445e8b2d853da61bd48f/FLAG690bf80b3 [2021-11-23 15:04:10,236 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e94b0d09-aa93-4ed2-86a8-415fe580b131/bin/ukojak-CwSLpZB5Qu/data/c3301feb9/8cf4be53398e445e8b2d853da61bd48f [2021-11-23 15:04:10,239 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:04:10,241 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:04:10,242 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:04:10,242 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:04:10,246 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:04:10,246 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:04:10" (1/1) ... [2021-11-23 15:04:10,248 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@21f4e885 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:10, skipping insertion in model container [2021-11-23 15:04:10,248 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:04:10" (1/1) ... [2021-11-23 15:04:10,255 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:04:10,410 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:04:11,813 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_e94b0d09-aa93-4ed2-86a8-415fe580b131/sv-benchmarks/c/eca-rers2012/Problem04_label52.c[176915,176928] [2021-11-23 15:04:11,844 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:04:11,858 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:04:12,605 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_e94b0d09-aa93-4ed2-86a8-415fe580b131/sv-benchmarks/c/eca-rers2012/Problem04_label52.c[176915,176928] [2021-11-23 15:04:12,623 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:04:12,654 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:04:12,655 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:12 WrapperNode [2021-11-23 15:04:12,655 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:04:12,656 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:04:12,657 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:04:12,657 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:04:12,664 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:12" (1/1) ... [2021-11-23 15:04:12,772 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:12" (1/1) ... [2021-11-23 15:04:13,021 INFO L137 Inliner]: procedures = 17, calls = 11, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 5567 [2021-11-23 15:04:13,021 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:04:13,022 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:04:13,023 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:04:13,023 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:04:13,031 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:12" (1/1) ... [2021-11-23 15:04:13,032 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:12" (1/1) ... [2021-11-23 15:04:13,055 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:12" (1/1) ... [2021-11-23 15:04:13,055 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:12" (1/1) ... [2021-11-23 15:04:13,233 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:12" (1/1) ... [2021-11-23 15:04:13,264 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:12" (1/1) ... [2021-11-23 15:04:13,302 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:12" (1/1) ... [2021-11-23 15:04:13,341 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:04:13,342 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:04:13,342 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:04:13,342 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:04:13,343 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:12" (1/1) ... [2021-11-23 15:04:13,349 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:04:13,363 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e94b0d09-aa93-4ed2-86a8-415fe580b131/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:04:13,375 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e94b0d09-aa93-4ed2-86a8-415fe580b131/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:04:13,391 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e94b0d09-aa93-4ed2-86a8-415fe580b131/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:04:13,430 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:04:13,430 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:04:13,430 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:04:13,430 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:04:13,559 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:04:13,561 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:04:19,087 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:04:19,174 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 15:04:19,183 INFO L158 Benchmark]: Toolchain (without parser) took 8940.47ms. Allocated memory was 62.9MB in the beginning and 343.9MB in the end (delta: 281.0MB). Free memory was 36.6MB in the beginning and 95.2MB in the end (delta: -58.6MB). Peak memory consumption was 224.1MB. Max. memory is 16.1GB. [2021-11-23 15:04:19,184 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 48.2MB. Free memory is still 29.3MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:04:19,186 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2413.59ms. Allocated memory was 62.9MB in the beginning and 96.5MB in the end (delta: 33.6MB). Free memory was 36.4MB in the beginning and 36.2MB in the end (delta: 129.8kB). Peak memory consumption was 44.6MB. Max. memory is 16.1GB. [2021-11-23 15:04:19,187 INFO L158 Benchmark]: Boogie Procedure Inliner took 364.73ms. Allocated memory was 96.5MB in the beginning and 159.4MB in the end (delta: 62.9MB). Free memory was 36.2MB in the beginning and 74.7MB in the end (delta: -38.4MB). Peak memory consumption was 23.8MB. Max. memory is 16.1GB. [2021-11-23 15:04:19,188 INFO L158 Benchmark]: Boogie Preprocessor took 318.46ms. Allocated memory is still 159.4MB. Free memory was 74.7MB in the beginning and 69.1MB in the end (delta: 5.6MB). Peak memory consumption was 24.9MB. Max. memory is 16.1GB. [2021-11-23 15:04:19,189 INFO L158 Benchmark]: RCFGBuilder took 5838.68ms. Allocated memory was 159.4MB in the beginning and 343.9MB in the end (delta: 184.5MB). Free memory was 69.1MB in the beginning and 95.2MB in the end (delta: -26.2MB). Peak memory consumption was 160.1MB. Max. memory is 16.1GB. [2021-11-23 15:04:19,198 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 48.2MB. Free memory is still 29.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2413.59ms. Allocated memory was 62.9MB in the beginning and 96.5MB in the end (delta: 33.6MB). Free memory was 36.4MB in the beginning and 36.2MB in the end (delta: 129.8kB). Peak memory consumption was 44.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 364.73ms. Allocated memory was 96.5MB in the beginning and 159.4MB in the end (delta: 62.9MB). Free memory was 36.2MB in the beginning and 74.7MB in the end (delta: -38.4MB). Peak memory consumption was 23.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 318.46ms. Allocated memory is still 159.4MB. Free memory was 74.7MB in the beginning and 69.1MB in the end (delta: 5.6MB). Peak memory consumption was 24.9MB. Max. memory is 16.1GB. * RCFGBuilder took 5838.68ms. Allocated memory was 159.4MB in the beginning and 343.9MB in the end (delta: 184.5MB). Free memory was 69.1MB in the beginning and 95.2MB in the end (delta: -26.2MB). Peak memory consumption was 160.1MB. 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 15:04:19,294 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e94b0d09-aa93-4ed2-86a8-415fe580b131/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