./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem18_label51.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_64ad87ef-16b5-46ae-9dd1-4ed5d09886d7/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64ad87ef-16b5-46ae-9dd1-4ed5d09886d7/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_64ad87ef-16b5-46ae-9dd1-4ed5d09886d7/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64ad87ef-16b5-46ae-9dd1-4ed5d09886d7/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem18_label51.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64ad87ef-16b5-46ae-9dd1-4ed5d09886d7/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_64ad87ef-16b5-46ae-9dd1-4ed5d09886d7/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 b09204eec7fef585004b69b471b657e04a2a46cceef0cdf26e228e2dd271c194 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:39:52,137 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:39:52,140 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:39:52,196 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:39:52,197 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:39:52,198 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:39:52,199 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:39:52,200 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:39:52,203 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:39:52,204 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:39:52,205 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:39:52,207 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:39:52,207 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:39:52,208 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:39:52,210 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:39:52,212 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:39:52,213 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:39:52,214 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:39:52,216 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:39:52,218 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:39:52,220 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:39:52,222 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:39:52,223 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:39:52,224 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:39:52,228 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:39:52,228 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:39:52,228 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:39:52,230 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:39:52,230 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:39:52,231 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:39:52,232 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:39:52,233 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:39:52,233 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:39:52,234 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:39:52,236 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:39:52,236 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:39:52,237 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:39:52,237 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:39:52,238 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:39:52,239 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:39:52,240 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:39:52,241 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64ad87ef-16b5-46ae-9dd1-4ed5d09886d7/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:39:52,266 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:39:52,267 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:39:52,268 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:39:52,268 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:39:52,269 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:39:52,269 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:39:52,269 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:39:52,269 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:39:52,270 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:39:52,270 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:39:52,270 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:39:52,271 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:39:52,271 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:39:52,271 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:39:52,272 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:39:52,272 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:39:52,272 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:39:52,272 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:39:52,273 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:39:52,273 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:39:52,273 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:39:52,273 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:39:52,274 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:39:52,274 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:39:52,274 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:39:52,275 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:39:52,275 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:39:52,275 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:39:52,275 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_64ad87ef-16b5-46ae-9dd1-4ed5d09886d7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64ad87ef-16b5-46ae-9dd1-4ed5d09886d7/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b09204eec7fef585004b69b471b657e04a2a46cceef0cdf26e228e2dd271c194 [2021-11-23 15:39:52,517 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:39:52,551 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:39:52,553 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:39:52,554 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:39:52,556 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:39:52,558 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64ad87ef-16b5-46ae-9dd1-4ed5d09886d7/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/eca-rers2012/Problem18_label51.c [2021-11-23 15:39:52,647 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64ad87ef-16b5-46ae-9dd1-4ed5d09886d7/bin/ukojak-CwSLpZB5Qu/data/9a4f319f6/73e794fc2b734c6f86a38445289847a8/FLAG65c8c4070 [2021-11-23 15:39:53,307 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:39:53,307 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64ad87ef-16b5-46ae-9dd1-4ed5d09886d7/sv-benchmarks/c/eca-rers2012/Problem18_label51.c [2021-11-23 15:39:53,334 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64ad87ef-16b5-46ae-9dd1-4ed5d09886d7/bin/ukojak-CwSLpZB5Qu/data/9a4f319f6/73e794fc2b734c6f86a38445289847a8/FLAG65c8c4070 [2021-11-23 15:39:53,447 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64ad87ef-16b5-46ae-9dd1-4ed5d09886d7/bin/ukojak-CwSLpZB5Qu/data/9a4f319f6/73e794fc2b734c6f86a38445289847a8 [2021-11-23 15:39:53,450 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:39:53,452 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:39:53,453 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:39:53,454 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:39:53,457 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:39:53,457 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:39:53" (1/1) ... [2021-11-23 15:39:53,463 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@302b3834 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:39:53, skipping insertion in model container [2021-11-23 15:39:53,463 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:39:53" (1/1) ... [2021-11-23 15:39:53,470 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:39:53,610 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:39:53,894 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_64ad87ef-16b5-46ae-9dd1-4ed5d09886d7/sv-benchmarks/c/eca-rers2012/Problem18_label51.c[6263,6276] [2021-11-23 15:39:54,623 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:39:54,632 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:39:54,671 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_64ad87ef-16b5-46ae-9dd1-4ed5d09886d7/sv-benchmarks/c/eca-rers2012/Problem18_label51.c[6263,6276] [2021-11-23 15:39:55,155 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:39:55,193 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:39:55,194 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:39:55 WrapperNode [2021-11-23 15:39:55,194 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:39:55,195 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:39:55,195 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:39:55,197 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:39:55,204 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:39:55" (1/1) ... [2021-11-23 15:39:55,259 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:39:55" (1/1) ... [2021-11-23 15:39:55,499 INFO L137 Inliner]: procedures = 16, calls = 10, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 4132 [2021-11-23 15:39:55,529 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:39:55,530 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:39:55,530 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:39:55,530 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:39:55,538 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:39:55" (1/1) ... [2021-11-23 15:39:55,538 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:39:55" (1/1) ... [2021-11-23 15:39:55,575 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:39:55" (1/1) ... [2021-11-23 15:39:55,575 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:39:55" (1/1) ... [2021-11-23 15:39:55,744 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:39:55" (1/1) ... [2021-11-23 15:39:55,779 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:39:55" (1/1) ... [2021-11-23 15:39:55,816 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:39:55" (1/1) ... [2021-11-23 15:39:55,870 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:39:55,872 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:39:55,872 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:39:55,873 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:39:55,874 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:39:55" (1/1) ... [2021-11-23 15:39:55,881 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:39:55,894 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64ad87ef-16b5-46ae-9dd1-4ed5d09886d7/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:39:55,910 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64ad87ef-16b5-46ae-9dd1-4ed5d09886d7/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:39:55,933 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64ad87ef-16b5-46ae-9dd1-4ed5d09886d7/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:39:55,951 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:39:55,951 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:39:55,951 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:39:55,951 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:39:56,017 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:39:56,018 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:39:59,568 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:39:59,608 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.addBranchEncoders(TransFormulaBuilder.java:170) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.parallelComposition(TransFormulaUtils.java:337) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.ParallelComposition.(ParallelComposition.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CodeBlockFactory.constructParallelComposition(CodeBlockFactory.java:109) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.composeParallel(CfgBuilder.java:1792) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.(CfgBuilder.java:1653) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:280) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 15:39:59,614 INFO L158 Benchmark]: Toolchain (without parser) took 6160.44ms. Allocated memory was 119.5MB in the beginning and 350.2MB in the end (delta: 230.7MB). Free memory was 74.4MB in the beginning and 252.5MB in the end (delta: -178.0MB). Peak memory consumption was 129.9MB. Max. memory is 16.1GB. [2021-11-23 15:39:59,614 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 119.5MB. Free memory is still 101.7MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:39:59,615 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1740.71ms. Allocated memory was 119.5MB in the beginning and 153.1MB in the end (delta: 33.6MB). Free memory was 74.2MB in the beginning and 100.4MB in the end (delta: -26.2MB). Peak memory consumption was 38.6MB. Max. memory is 16.1GB. [2021-11-23 15:39:59,616 INFO L158 Benchmark]: Boogie Procedure Inliner took 334.22ms. Allocated memory is still 153.1MB. Free memory was 99.7MB in the beginning and 88.8MB in the end (delta: 10.9MB). Peak memory consumption was 61.4MB. Max. memory is 16.1GB. [2021-11-23 15:39:59,617 INFO L158 Benchmark]: Boogie Preprocessor took 340.84ms. Allocated memory is still 153.1MB. Free memory was 88.8MB in the beginning and 70.0MB in the end (delta: 18.7MB). Peak memory consumption was 22.7MB. Max. memory is 16.1GB. [2021-11-23 15:39:59,618 INFO L158 Benchmark]: RCFGBuilder took 3739.76ms. Allocated memory was 153.1MB in the beginning and 350.2MB in the end (delta: 197.1MB). Free memory was 70.0MB in the beginning and 252.5MB in the end (delta: -182.4MB). Peak memory consumption was 93.1MB. Max. memory is 16.1GB. [2021-11-23 15:39:59,621 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 119.5MB. Free memory is still 101.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1740.71ms. Allocated memory was 119.5MB in the beginning and 153.1MB in the end (delta: 33.6MB). Free memory was 74.2MB in the beginning and 100.4MB in the end (delta: -26.2MB). Peak memory consumption was 38.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 334.22ms. Allocated memory is still 153.1MB. Free memory was 99.7MB in the beginning and 88.8MB in the end (delta: 10.9MB). Peak memory consumption was 61.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 340.84ms. Allocated memory is still 153.1MB. Free memory was 88.8MB in the beginning and 70.0MB in the end (delta: 18.7MB). Peak memory consumption was 22.7MB. Max. memory is 16.1GB. * RCFGBuilder took 3739.76ms. Allocated memory was 153.1MB in the beginning and 350.2MB in the end (delta: 197.1MB). Free memory was 70.0MB in the beginning and 252.5MB in the end (delta: -182.4MB). Peak memory consumption was 93.1MB. 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 15:39:59,641 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64ad87ef-16b5-46ae-9dd1-4ed5d09886d7/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64ad87ef-16b5-46ae-9dd1-4ed5d09886d7/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64ad87ef-16b5-46ae-9dd1-4ed5d09886d7/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_64ad87ef-16b5-46ae-9dd1-4ed5d09886d7/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64ad87ef-16b5-46ae-9dd1-4ed5d09886d7/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem18_label51.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64ad87ef-16b5-46ae-9dd1-4ed5d09886d7/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_64ad87ef-16b5-46ae-9dd1-4ed5d09886d7/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 b09204eec7fef585004b69b471b657e04a2a46cceef0cdf26e228e2dd271c194 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:40:01,996 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:40:01,998 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:40:02,044 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:40:02,045 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:40:02,053 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:40:02,055 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:40:02,060 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:40:02,063 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:40:02,068 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:40:02,072 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:40:02,074 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:40:02,074 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:40:02,077 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:40:02,080 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:40:02,085 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:40:02,087 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:40:02,088 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:40:02,090 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:40:02,098 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:40:02,100 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:40:02,102 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:40:02,104 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:40:02,107 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:40:02,115 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:40:02,116 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:40:02,116 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:40:02,118 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:40:02,119 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:40:02,120 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:40:02,121 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:40:02,123 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:40:02,124 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:40:02,125 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:40:02,127 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:40:02,127 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:40:02,128 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:40:02,129 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:40:02,129 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:40:02,131 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:40:02,132 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:40:02,137 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64ad87ef-16b5-46ae-9dd1-4ed5d09886d7/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 15:40:02,187 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:40:02,188 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:40:02,189 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:40:02,189 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:40:02,190 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:40:02,191 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:40:02,191 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:40:02,191 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:40:02,192 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:40:02,192 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:40:02,193 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:40:02,193 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:40:02,193 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:40:02,194 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:40:02,194 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:40:02,194 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:40:02,194 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:40:02,194 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:40:02,195 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:40:02,195 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:40:02,195 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:40:02,195 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:40:02,196 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:40:02,196 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:40:02,196 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:40:02,196 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:40:02,197 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:40:02,197 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:40:02,197 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:40:02,211 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:40:02,211 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:40:02,211 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:40:02,212 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_64ad87ef-16b5-46ae-9dd1-4ed5d09886d7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64ad87ef-16b5-46ae-9dd1-4ed5d09886d7/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b09204eec7fef585004b69b471b657e04a2a46cceef0cdf26e228e2dd271c194 [2021-11-23 15:40:02,626 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:40:02,653 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:40:02,655 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:40:02,657 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:40:02,658 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:40:02,659 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64ad87ef-16b5-46ae-9dd1-4ed5d09886d7/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/eca-rers2012/Problem18_label51.c [2021-11-23 15:40:02,737 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64ad87ef-16b5-46ae-9dd1-4ed5d09886d7/bin/ukojak-CwSLpZB5Qu/data/9ea73386d/2764bd94672548e1b9ffd6509d09c5bc/FLAGb630ac97d [2021-11-23 15:40:03,573 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:40:03,574 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64ad87ef-16b5-46ae-9dd1-4ed5d09886d7/sv-benchmarks/c/eca-rers2012/Problem18_label51.c [2021-11-23 15:40:03,603 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64ad87ef-16b5-46ae-9dd1-4ed5d09886d7/bin/ukojak-CwSLpZB5Qu/data/9ea73386d/2764bd94672548e1b9ffd6509d09c5bc/FLAGb630ac97d [2021-11-23 15:40:04,104 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64ad87ef-16b5-46ae-9dd1-4ed5d09886d7/bin/ukojak-CwSLpZB5Qu/data/9ea73386d/2764bd94672548e1b9ffd6509d09c5bc [2021-11-23 15:40:04,107 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:40:04,108 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:40:04,110 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:40:04,110 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:40:04,114 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:40:04,114 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:40:04" (1/1) ... [2021-11-23 15:40:04,115 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67d6f591 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:04, skipping insertion in model container [2021-11-23 15:40:04,116 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:40:04" (1/1) ... [2021-11-23 15:40:04,123 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:40:04,230 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:40:04,486 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_64ad87ef-16b5-46ae-9dd1-4ed5d09886d7/sv-benchmarks/c/eca-rers2012/Problem18_label51.c[6263,6276] [2021-11-23 15:40:05,373 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:40:05,385 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:40:05,440 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_64ad87ef-16b5-46ae-9dd1-4ed5d09886d7/sv-benchmarks/c/eca-rers2012/Problem18_label51.c[6263,6276] [2021-11-23 15:40:05,908 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:40:05,931 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:40:05,932 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:05 WrapperNode [2021-11-23 15:40:05,933 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:40:05,934 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:40:05,934 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:40:05,934 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:40:05,941 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:05" (1/1) ... [2021-11-23 15:40:05,983 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:05" (1/1) ... [2021-11-23 15:40:06,132 INFO L137 Inliner]: procedures = 16, calls = 10, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 4128 [2021-11-23 15:40:06,132 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:40:06,133 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:40:06,133 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:40:06,133 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:40:06,142 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:05" (1/1) ... [2021-11-23 15:40:06,142 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:05" (1/1) ... [2021-11-23 15:40:06,156 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:05" (1/1) ... [2021-11-23 15:40:06,157 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:05" (1/1) ... [2021-11-23 15:40:06,218 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:05" (1/1) ... [2021-11-23 15:40:06,260 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:05" (1/1) ... [2021-11-23 15:40:06,272 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:05" (1/1) ... [2021-11-23 15:40:06,288 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:40:06,289 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:40:06,289 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:40:06,289 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:40:06,290 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:05" (1/1) ... [2021-11-23 15:40:06,346 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:40:06,362 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64ad87ef-16b5-46ae-9dd1-4ed5d09886d7/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:40:06,374 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64ad87ef-16b5-46ae-9dd1-4ed5d09886d7/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:40:06,400 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64ad87ef-16b5-46ae-9dd1-4ed5d09886d7/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:40:06,421 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:40:06,421 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:40:06,421 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:40:06,421 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:40:06,492 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:40:06,494 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:40:21,405 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:40:21,446 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 15:40:21,450 INFO L158 Benchmark]: Toolchain (without parser) took 17340.86ms. Allocated memory was 83.9MB in the beginning and 228.6MB in the end (delta: 144.7MB). Free memory was 61.5MB in the beginning and 69.0MB in the end (delta: -7.4MB). Peak memory consumption was 140.2MB. Max. memory is 16.1GB. [2021-11-23 15:40:21,451 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 83.9MB. Free memory is still 65.4MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:40:21,452 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1822.98ms. Allocated memory was 83.9MB in the beginning and 111.1MB in the end (delta: 27.3MB). Free memory was 61.4MB in the beginning and 55.1MB in the end (delta: 6.3MB). Peak memory consumption was 50.6MB. Max. memory is 16.1GB. [2021-11-23 15:40:21,453 INFO L158 Benchmark]: Boogie Procedure Inliner took 198.67ms. Allocated memory is still 111.1MB. Free memory was 55.1MB in the beginning and 56.8MB in the end (delta: -1.6MB). Peak memory consumption was 23.7MB. Max. memory is 16.1GB. [2021-11-23 15:40:21,454 INFO L158 Benchmark]: Boogie Preprocessor took 155.08ms. Allocated memory is still 111.1MB. Free memory was 56.8MB in the beginning and 37.6MB in the end (delta: 19.1MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2021-11-23 15:40:21,454 INFO L158 Benchmark]: RCFGBuilder took 15159.66ms. Allocated memory was 111.1MB in the beginning and 228.6MB in the end (delta: 117.4MB). Free memory was 37.6MB in the beginning and 69.0MB in the end (delta: -31.4MB). Peak memory consumption was 89.1MB. Max. memory is 16.1GB. [2021-11-23 15:40:21,458 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 83.9MB. Free memory is still 65.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1822.98ms. Allocated memory was 83.9MB in the beginning and 111.1MB in the end (delta: 27.3MB). Free memory was 61.4MB in the beginning and 55.1MB in the end (delta: 6.3MB). Peak memory consumption was 50.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 198.67ms. Allocated memory is still 111.1MB. Free memory was 55.1MB in the beginning and 56.8MB in the end (delta: -1.6MB). Peak memory consumption was 23.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 155.08ms. Allocated memory is still 111.1MB. Free memory was 56.8MB in the beginning and 37.6MB in the end (delta: 19.1MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * RCFGBuilder took 15159.66ms. Allocated memory was 111.1MB in the beginning and 228.6MB in the end (delta: 117.4MB). Free memory was 37.6MB in the beginning and 69.0MB in the end (delta: -31.4MB). Peak memory consumption was 89.1MB. 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 15:40:21,512 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64ad87ef-16b5-46ae-9dd1-4ed5d09886d7/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable