./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem01_label18.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_c870a86e-d50c-45cf-bce5-bb2ac2efb61c/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c870a86e-d50c-45cf-bce5-bb2ac2efb61c/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_c870a86e-d50c-45cf-bce5-bb2ac2efb61c/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c870a86e-d50c-45cf-bce5-bb2ac2efb61c/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem01_label18.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c870a86e-d50c-45cf-bce5-bb2ac2efb61c/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_c870a86e-d50c-45cf-bce5-bb2ac2efb61c/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 8fcc4bb7cd8f204722096b247511c17cd0d430fd3f99523a22a5bf87d5e044f6 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:01:43,109 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:01:43,112 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:01:43,153 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:01:43,153 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:01:43,155 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:01:43,157 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:01:43,160 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:01:43,163 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:01:43,165 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:01:43,166 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:01:43,168 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:01:43,169 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:01:43,170 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:01:43,172 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:01:43,174 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:01:43,175 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:01:43,177 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:01:43,179 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:01:43,182 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:01:43,184 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:01:43,186 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:01:43,187 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:01:43,189 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:01:43,192 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:01:43,193 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:01:43,193 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:01:43,195 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:01:43,195 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:01:43,197 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:01:43,198 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:01:43,199 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:01:43,200 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:01:43,201 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:01:43,202 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:01:43,203 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:01:43,204 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:01:43,204 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:01:43,207 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:01:43,208 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:01:43,210 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:01:43,211 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c870a86e-d50c-45cf-bce5-bb2ac2efb61c/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:01:43,256 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:01:43,257 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:01:43,258 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:01:43,259 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:01:43,260 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:01:43,260 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:01:43,260 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:01:43,260 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:01:43,261 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:01:43,261 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:01:43,262 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:01:43,268 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:01:43,269 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:01:43,269 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:01:43,269 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:01:43,270 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:01:43,270 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:01:43,270 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:01:43,270 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:01:43,271 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:01:43,271 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:01:43,271 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:01:43,271 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:01:43,272 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:01:43,272 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:01:43,272 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:01:43,272 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:01:43,273 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:01:43,273 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_c870a86e-d50c-45cf-bce5-bb2ac2efb61c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c870a86e-d50c-45cf-bce5-bb2ac2efb61c/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8fcc4bb7cd8f204722096b247511c17cd0d430fd3f99523a22a5bf87d5e044f6 [2021-11-23 15:01:43,552 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:01:43,590 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:01:43,594 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:01:43,596 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:01:43,597 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:01:43,599 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c870a86e-d50c-45cf-bce5-bb2ac2efb61c/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/eca-rers2012/Problem01_label18.c [2021-11-23 15:01:43,676 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c870a86e-d50c-45cf-bce5-bb2ac2efb61c/bin/ukojak-CwSLpZB5Qu/data/d0a468ef7/9c9a914f80cd412bba7a664ad6eb501b/FLAGf39e94e90 [2021-11-23 15:01:44,261 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:01:44,270 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c870a86e-d50c-45cf-bce5-bb2ac2efb61c/sv-benchmarks/c/eca-rers2012/Problem01_label18.c [2021-11-23 15:01:44,291 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c870a86e-d50c-45cf-bce5-bb2ac2efb61c/bin/ukojak-CwSLpZB5Qu/data/d0a468ef7/9c9a914f80cd412bba7a664ad6eb501b/FLAGf39e94e90 [2021-11-23 15:01:44,514 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c870a86e-d50c-45cf-bce5-bb2ac2efb61c/bin/ukojak-CwSLpZB5Qu/data/d0a468ef7/9c9a914f80cd412bba7a664ad6eb501b [2021-11-23 15:01:44,517 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:01:44,518 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:01:44,520 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:01:44,520 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:01:44,523 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:01:44,524 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:01:44" (1/1) ... [2021-11-23 15:01:44,525 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69e8d58c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:44, skipping insertion in model container [2021-11-23 15:01:44,525 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:01:44" (1/1) ... [2021-11-23 15:01:44,535 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:01:44,589 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:01:44,973 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_c870a86e-d50c-45cf-bce5-bb2ac2efb61c/sv-benchmarks/c/eca-rers2012/Problem01_label18.c[17985,17998] [2021-11-23 15:01:45,049 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:01:45,062 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:01:45,172 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_c870a86e-d50c-45cf-bce5-bb2ac2efb61c/sv-benchmarks/c/eca-rers2012/Problem01_label18.c[17985,17998] [2021-11-23 15:01:45,199 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:01:45,220 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:01:45,221 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:45 WrapperNode [2021-11-23 15:01:45,221 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:01:45,223 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:01:45,223 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:01:45,225 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:01:45,233 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:45" (1/1) ... [2021-11-23 15:01:45,266 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:45" (1/1) ... [2021-11-23 15:01:45,336 INFO L137 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 657 [2021-11-23 15:01:45,337 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:01:45,338 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:01:45,338 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:01:45,338 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:01:45,347 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:45" (1/1) ... [2021-11-23 15:01:45,347 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:45" (1/1) ... [2021-11-23 15:01:45,352 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:45" (1/1) ... [2021-11-23 15:01:45,352 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:45" (1/1) ... [2021-11-23 15:01:45,378 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:45" (1/1) ... [2021-11-23 15:01:45,388 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:45" (1/1) ... [2021-11-23 15:01:45,409 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:45" (1/1) ... [2021-11-23 15:01:45,419 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:01:45,433 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:01:45,434 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:01:45,434 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:01:45,435 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:45" (1/1) ... [2021-11-23 15:01:45,442 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:01:45,461 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c870a86e-d50c-45cf-bce5-bb2ac2efb61c/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:01:45,491 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c870a86e-d50c-45cf-bce5-bb2ac2efb61c/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:01:45,513 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c870a86e-d50c-45cf-bce5-bb2ac2efb61c/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:01:45,542 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:01:45,543 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:01:45,543 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:01:45,544 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:01:45,637 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:01:45,639 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:01:46,598 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:01:46,634 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 15:01:46,639 INFO L158 Benchmark]: Toolchain (without parser) took 2120.09ms. Allocated memory was 90.2MB in the beginning and 117.4MB in the end (delta: 27.3MB). Free memory was 52.3MB in the beginning and 52.1MB in the end (delta: 245.1kB). Peak memory consumption was 41.5MB. Max. memory is 16.1GB. [2021-11-23 15:01:46,640 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 90.2MB. Free memory was 70.3MB in the beginning and 70.2MB in the end (delta: 77.1kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:01:46,641 INFO L158 Benchmark]: CACSL2BoogieTranslator took 701.85ms. Allocated memory was 90.2MB in the beginning and 117.4MB in the end (delta: 27.3MB). Free memory was 52.1MB in the beginning and 74.6MB in the end (delta: -22.5MB). Peak memory consumption was 6.4MB. Max. memory is 16.1GB. [2021-11-23 15:01:46,642 INFO L158 Benchmark]: Boogie Procedure Inliner took 113.82ms. Allocated memory is still 117.4MB. Free memory was 74.6MB in the beginning and 68.9MB in the end (delta: 5.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-23 15:01:46,643 INFO L158 Benchmark]: Boogie Preprocessor took 95.08ms. Allocated memory is still 117.4MB. Free memory was 68.9MB in the beginning and 64.7MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 15:01:46,644 INFO L158 Benchmark]: RCFGBuilder took 1204.08ms. Allocated memory is still 117.4MB. Free memory was 64.7MB in the beginning and 52.1MB in the end (delta: 12.6MB). Peak memory consumption was 28.8MB. Max. memory is 16.1GB. [2021-11-23 15:01:46,647 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 90.2MB. Free memory was 70.3MB in the beginning and 70.2MB in the end (delta: 77.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 701.85ms. Allocated memory was 90.2MB in the beginning and 117.4MB in the end (delta: 27.3MB). Free memory was 52.1MB in the beginning and 74.6MB in the end (delta: -22.5MB). Peak memory consumption was 6.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 113.82ms. Allocated memory is still 117.4MB. Free memory was 74.6MB in the beginning and 68.9MB in the end (delta: 5.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 95.08ms. Allocated memory is still 117.4MB. Free memory was 68.9MB in the beginning and 64.7MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1204.08ms. Allocated memory is still 117.4MB. Free memory was 64.7MB in the beginning and 52.1MB in the end (delta: 12.6MB). Peak memory consumption was 28.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 15:01:46,701 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c870a86e-d50c-45cf-bce5-bb2ac2efb61c/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_c870a86e-d50c-45cf-bce5-bb2ac2efb61c/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c870a86e-d50c-45cf-bce5-bb2ac2efb61c/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_c870a86e-d50c-45cf-bce5-bb2ac2efb61c/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c870a86e-d50c-45cf-bce5-bb2ac2efb61c/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem01_label18.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c870a86e-d50c-45cf-bce5-bb2ac2efb61c/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_c870a86e-d50c-45cf-bce5-bb2ac2efb61c/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 8fcc4bb7cd8f204722096b247511c17cd0d430fd3f99523a22a5bf87d5e044f6 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:01:49,280 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:01:49,288 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:01:49,346 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:01:49,347 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:01:49,351 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:01:49,354 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:01:49,359 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:01:49,362 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:01:49,368 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:01:49,371 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:01:49,373 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:01:49,374 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:01:49,376 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:01:49,379 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:01:49,381 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:01:49,383 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:01:49,384 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:01:49,388 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:01:49,396 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:01:49,399 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:01:49,400 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:01:49,404 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:01:49,405 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:01:49,408 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:01:49,409 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:01:49,409 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:01:49,410 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:01:49,411 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:01:49,412 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:01:49,413 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:01:49,414 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:01:49,415 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:01:49,416 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:01:49,417 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:01:49,417 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:01:49,418 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:01:49,418 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:01:49,419 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:01:49,420 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:01:49,420 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:01:49,421 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c870a86e-d50c-45cf-bce5-bb2ac2efb61c/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 15:01:49,463 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:01:49,463 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:01:49,465 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:01:49,465 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:01:49,467 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:01:49,467 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:01:49,467 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:01:49,468 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:01:49,468 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:01:49,468 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:01:49,469 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:01:49,469 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:01:49,470 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:01:49,470 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:01:49,470 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:01:49,470 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:01:49,471 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:01:49,471 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:01:49,471 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:01:49,471 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:01:49,471 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:01:49,472 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:01:49,472 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:01:49,472 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:01:49,472 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:01:49,473 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:01:49,473 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:01:49,473 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:01:49,473 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:01:49,474 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:01:49,474 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:01:49,474 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:01:49,474 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_c870a86e-d50c-45cf-bce5-bb2ac2efb61c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c870a86e-d50c-45cf-bce5-bb2ac2efb61c/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8fcc4bb7cd8f204722096b247511c17cd0d430fd3f99523a22a5bf87d5e044f6 [2021-11-23 15:01:49,881 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:01:49,903 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:01:49,905 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:01:49,906 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:01:49,908 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:01:49,910 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c870a86e-d50c-45cf-bce5-bb2ac2efb61c/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/eca-rers2012/Problem01_label18.c [2021-11-23 15:01:49,987 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c870a86e-d50c-45cf-bce5-bb2ac2efb61c/bin/ukojak-CwSLpZB5Qu/data/e07894db8/ce65f399b2874f8bad0911dde26dab64/FLAG2d6e57473 [2021-11-23 15:01:50,582 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:01:50,583 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c870a86e-d50c-45cf-bce5-bb2ac2efb61c/sv-benchmarks/c/eca-rers2012/Problem01_label18.c [2021-11-23 15:01:50,595 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c870a86e-d50c-45cf-bce5-bb2ac2efb61c/bin/ukojak-CwSLpZB5Qu/data/e07894db8/ce65f399b2874f8bad0911dde26dab64/FLAG2d6e57473 [2021-11-23 15:01:50,851 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c870a86e-d50c-45cf-bce5-bb2ac2efb61c/bin/ukojak-CwSLpZB5Qu/data/e07894db8/ce65f399b2874f8bad0911dde26dab64 [2021-11-23 15:01:50,854 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:01:50,855 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:01:50,858 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:01:50,859 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:01:50,862 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:01:50,863 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:01:50" (1/1) ... [2021-11-23 15:01:50,864 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d8dc658 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:50, skipping insertion in model container [2021-11-23 15:01:50,865 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:01:50" (1/1) ... [2021-11-23 15:01:50,872 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:01:50,939 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:01:51,381 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_c870a86e-d50c-45cf-bce5-bb2ac2efb61c/sv-benchmarks/c/eca-rers2012/Problem01_label18.c[17985,17998] [2021-11-23 15:01:51,431 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:01:51,444 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:01:51,609 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_c870a86e-d50c-45cf-bce5-bb2ac2efb61c/sv-benchmarks/c/eca-rers2012/Problem01_label18.c[17985,17998] [2021-11-23 15:01:51,644 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:01:51,669 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:01:51,669 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:51 WrapperNode [2021-11-23 15:01:51,670 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:01:51,672 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:01:51,672 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:01:51,672 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:01:51,680 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:51" (1/1) ... [2021-11-23 15:01:51,716 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:51" (1/1) ... [2021-11-23 15:01:51,795 INFO L137 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 655 [2021-11-23 15:01:51,795 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:01:51,796 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:01:51,796 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:01:51,797 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:01:51,806 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:51" (1/1) ... [2021-11-23 15:01:51,806 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:51" (1/1) ... [2021-11-23 15:01:51,812 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:51" (1/1) ... [2021-11-23 15:01:51,812 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:51" (1/1) ... [2021-11-23 15:01:51,839 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:51" (1/1) ... [2021-11-23 15:01:51,862 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:51" (1/1) ... [2021-11-23 15:01:51,867 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:51" (1/1) ... [2021-11-23 15:01:51,891 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:01:51,892 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:01:51,892 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:01:51,892 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:01:51,893 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:01:51" (1/1) ... [2021-11-23 15:01:51,900 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:01:51,930 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c870a86e-d50c-45cf-bce5-bb2ac2efb61c/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:01:51,942 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c870a86e-d50c-45cf-bce5-bb2ac2efb61c/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:01:51,956 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c870a86e-d50c-45cf-bce5-bb2ac2efb61c/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:01:51,991 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:01:51,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:01:51,991 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:01:51,991 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:01:52,103 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:01:52,106 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:01:53,331 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:01:53,368 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 15:01:53,372 INFO L158 Benchmark]: Toolchain (without parser) took 2516.50ms. Allocated memory was 58.7MB in the beginning and 107.0MB in the end (delta: 48.2MB). Free memory was 34.6MB in the beginning and 78.1MB in the end (delta: -43.5MB). Peak memory consumption was 26.0MB. Max. memory is 16.1GB. [2021-11-23 15:01:53,373 INFO L158 Benchmark]: CDTParser took 0.61ms. Allocated memory is still 58.7MB. Free memory was 39.4MB in the beginning and 39.3MB in the end (delta: 62.8kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:01:53,375 INFO L158 Benchmark]: CACSL2BoogieTranslator took 812.43ms. Allocated memory was 58.7MB in the beginning and 79.7MB in the end (delta: 21.0MB). Free memory was 34.4MB in the beginning and 44.1MB in the end (delta: -9.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-23 15:01:53,375 INFO L158 Benchmark]: Boogie Procedure Inliner took 123.97ms. Allocated memory is still 79.7MB. Free memory was 43.9MB in the beginning and 57.3MB in the end (delta: -13.4MB). Peak memory consumption was 6.0MB. Max. memory is 16.1GB. [2021-11-23 15:01:53,376 INFO L158 Benchmark]: Boogie Preprocessor took 94.74ms. Allocated memory is still 79.7MB. Free memory was 57.3MB in the beginning and 53.1MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 15:01:53,377 INFO L158 Benchmark]: RCFGBuilder took 1479.01ms. Allocated memory was 79.7MB in the beginning and 107.0MB in the end (delta: 27.3MB). Free memory was 53.1MB in the beginning and 78.1MB in the end (delta: -25.0MB). Peak memory consumption was 22.7MB. Max. memory is 16.1GB. [2021-11-23 15:01:53,380 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.61ms. Allocated memory is still 58.7MB. Free memory was 39.4MB in the beginning and 39.3MB in the end (delta: 62.8kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 812.43ms. Allocated memory was 58.7MB in the beginning and 79.7MB in the end (delta: 21.0MB). Free memory was 34.4MB in the beginning and 44.1MB in the end (delta: -9.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 123.97ms. Allocated memory is still 79.7MB. Free memory was 43.9MB in the beginning and 57.3MB in the end (delta: -13.4MB). Peak memory consumption was 6.0MB. Max. memory is 16.1GB. * Boogie Preprocessor took 94.74ms. Allocated memory is still 79.7MB. Free memory was 57.3MB in the beginning and 53.1MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1479.01ms. Allocated memory was 79.7MB in the beginning and 107.0MB in the end (delta: 27.3MB). Free memory was 53.1MB in the beginning and 78.1MB in the end (delta: -25.0MB). Peak memory consumption was 22.7MB. 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 15:01:53,432 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c870a86e-d50c-45cf-bce5-bb2ac2efb61c/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