./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem19_label04.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_fe8e633b-ead6-4ee7-8a78-7ab9fac05e19/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe8e633b-ead6-4ee7-8a78-7ab9fac05e19/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_fe8e633b-ead6-4ee7-8a78-7ab9fac05e19/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe8e633b-ead6-4ee7-8a78-7ab9fac05e19/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem19_label04.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe8e633b-ead6-4ee7-8a78-7ab9fac05e19/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_fe8e633b-ead6-4ee7-8a78-7ab9fac05e19/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 b073191c71c477032fc88b3443bd70cba3b8be3aa40f986d5264f55b2d1b110e --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:55:53,229 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:55:53,231 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:55:53,261 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:55:53,262 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:55:53,264 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:55:53,266 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:55:53,268 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:55:53,271 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:55:53,272 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:55:53,274 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:55:53,275 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:55:53,276 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:55:53,278 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:55:53,280 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:55:53,281 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:55:53,283 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:55:53,285 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:55:53,292 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:55:53,301 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:55:53,305 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:55:53,310 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:55:53,314 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:55:53,315 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:55:53,322 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:55:53,325 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:55:53,326 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:55:53,328 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:55:53,329 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:55:53,330 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:55:53,331 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:55:53,332 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:55:53,334 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:55:53,336 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:55:53,337 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:55:53,338 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:55:53,339 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:55:53,339 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:55:53,339 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:55:53,340 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:55:53,341 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:55:53,342 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe8e633b-ead6-4ee7-8a78-7ab9fac05e19/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:55:53,387 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:55:53,388 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:55:53,389 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:55:53,390 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:55:53,391 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:55:53,391 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:55:53,391 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:55:53,397 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:55:53,398 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:55:53,398 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:55:53,399 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:55:53,399 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:55:53,400 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:55:53,400 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:55:53,400 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:55:53,400 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:55:53,400 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:55:53,401 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:55:53,401 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:55:53,401 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:55:53,401 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:55:53,402 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:55:53,402 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:55:53,402 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:55:53,402 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:55:53,403 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:55:53,403 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:55:53,403 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:55:53,403 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_fe8e633b-ead6-4ee7-8a78-7ab9fac05e19/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe8e633b-ead6-4ee7-8a78-7ab9fac05e19/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b073191c71c477032fc88b3443bd70cba3b8be3aa40f986d5264f55b2d1b110e [2021-11-23 15:55:53,675 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:55:53,701 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:55:53,704 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:55:53,706 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:55:53,707 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:55:53,709 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe8e633b-ead6-4ee7-8a78-7ab9fac05e19/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/eca-rers2012/Problem19_label04.c [2021-11-23 15:55:53,805 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe8e633b-ead6-4ee7-8a78-7ab9fac05e19/bin/ukojak-CwSLpZB5Qu/data/87668099d/2784848a44f64d13bc4d7cb259a724bb/FLAGb4e710b85 [2021-11-23 15:55:54,921 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:55:54,921 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe8e633b-ead6-4ee7-8a78-7ab9fac05e19/sv-benchmarks/c/eca-rers2012/Problem19_label04.c [2021-11-23 15:55:54,973 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe8e633b-ead6-4ee7-8a78-7ab9fac05e19/bin/ukojak-CwSLpZB5Qu/data/87668099d/2784848a44f64d13bc4d7cb259a724bb/FLAGb4e710b85 [2021-11-23 15:55:55,222 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe8e633b-ead6-4ee7-8a78-7ab9fac05e19/bin/ukojak-CwSLpZB5Qu/data/87668099d/2784848a44f64d13bc4d7cb259a724bb [2021-11-23 15:55:55,224 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:55:55,226 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:55:55,227 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:55:55,227 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:55:55,231 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:55:55,231 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:55:55" (1/1) ... [2021-11-23 15:55:55,232 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@552a925b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:55, skipping insertion in model container [2021-11-23 15:55:55,233 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:55:55" (1/1) ... [2021-11-23 15:55:55,238 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:55:55,485 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:55:55,984 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_fe8e633b-ead6-4ee7-8a78-7ab9fac05e19/sv-benchmarks/c/eca-rers2012/Problem19_label04.c[8051,8064] [2021-11-23 15:55:57,811 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:55:57,822 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:55:57,851 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_fe8e633b-ead6-4ee7-8a78-7ab9fac05e19/sv-benchmarks/c/eca-rers2012/Problem19_label04.c[8051,8064] [2021-11-23 15:55:59,045 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:55:59,090 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:55:59,091 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:59 WrapperNode [2021-11-23 15:55:59,091 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:55:59,092 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:55:59,093 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:55:59,094 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:55:59,102 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:59" (1/1) ... [2021-11-23 15:55:59,244 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:59" (1/1) ... [2021-11-23 15:56:00,249 INFO L137 Inliner]: procedures = 19, calls = 13, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 9425 [2021-11-23 15:56:00,249 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:56:00,250 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:56:00,250 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:56:00,250 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:56:00,258 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:59" (1/1) ... [2021-11-23 15:56:00,258 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:59" (1/1) ... [2021-11-23 15:56:00,461 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:59" (1/1) ... [2021-11-23 15:56:00,461 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:59" (1/1) ... [2021-11-23 15:56:00,739 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:59" (1/1) ... [2021-11-23 15:56:00,844 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:59" (1/1) ... [2021-11-23 15:56:00,887 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:59" (1/1) ... [2021-11-23 15:56:01,008 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:56:01,010 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:56:01,011 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:56:01,012 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:56:01,013 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:59" (1/1) ... [2021-11-23 15:56:01,019 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:56:01,032 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe8e633b-ead6-4ee7-8a78-7ab9fac05e19/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:56:01,047 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe8e633b-ead6-4ee7-8a78-7ab9fac05e19/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:56:01,049 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe8e633b-ead6-4ee7-8a78-7ab9fac05e19/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:56:01,095 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:56:01,095 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:56:01,095 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:56:01,096 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:56:01,213 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:56:01,215 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:56:09,772 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:56:09,847 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 15:56:09,854 INFO L158 Benchmark]: Toolchain (without parser) took 14625.26ms. Allocated memory was 98.6MB in the beginning and 2.5GB in the end (delta: 2.4GB). Free memory was 52.2MB in the beginning and 2.0GB in the end (delta: -1.9GB). Peak memory consumption was 434.9MB. Max. memory is 16.1GB. [2021-11-23 15:56:09,855 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 98.6MB. Free memory is still 74.0MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:56:09,857 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3864.54ms. Allocated memory was 98.6MB in the beginning and 174.1MB in the end (delta: 75.5MB). Free memory was 52.0MB in the beginning and 63.2MB in the end (delta: -11.2MB). Peak memory consumption was 86.1MB. Max. memory is 16.1GB. [2021-11-23 15:56:09,859 INFO L158 Benchmark]: Boogie Procedure Inliner took 1157.29ms. Allocated memory was 174.1MB in the beginning and 549.5MB in the end (delta: 375.4MB). Free memory was 63.2MB in the beginning and 374.7MB in the end (delta: -311.5MB). Peak memory consumption was 112.6MB. Max. memory is 16.1GB. [2021-11-23 15:56:09,860 INFO L158 Benchmark]: Boogie Preprocessor took 758.16ms. Allocated memory is still 549.5MB. Free memory was 374.7MB in the beginning and 318.0MB in the end (delta: 56.7MB). Peak memory consumption was 84.9MB. Max. memory is 16.1GB. [2021-11-23 15:56:09,862 INFO L158 Benchmark]: RCFGBuilder took 8840.12ms. Allocated memory was 549.5MB in the beginning and 2.5GB in the end (delta: 1.9GB). Free memory was 318.0MB in the beginning and 2.0GB in the end (delta: -1.7GB). Peak memory consumption was 249.8MB. Max. memory is 16.1GB. [2021-11-23 15:56:09,872 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 98.6MB. Free memory is still 74.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3864.54ms. Allocated memory was 98.6MB in the beginning and 174.1MB in the end (delta: 75.5MB). Free memory was 52.0MB in the beginning and 63.2MB in the end (delta: -11.2MB). Peak memory consumption was 86.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 1157.29ms. Allocated memory was 174.1MB in the beginning and 549.5MB in the end (delta: 375.4MB). Free memory was 63.2MB in the beginning and 374.7MB in the end (delta: -311.5MB). Peak memory consumption was 112.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 758.16ms. Allocated memory is still 549.5MB. Free memory was 374.7MB in the beginning and 318.0MB in the end (delta: 56.7MB). Peak memory consumption was 84.9MB. Max. memory is 16.1GB. * RCFGBuilder took 8840.12ms. Allocated memory was 549.5MB in the beginning and 2.5GB in the end (delta: 1.9GB). Free memory was 318.0MB in the beginning and 2.0GB in the end (delta: -1.7GB). Peak memory consumption was 249.8MB. 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 15:56:09,902 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe8e633b-ead6-4ee7-8a78-7ab9fac05e19/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_fe8e633b-ead6-4ee7-8a78-7ab9fac05e19/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe8e633b-ead6-4ee7-8a78-7ab9fac05e19/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_fe8e633b-ead6-4ee7-8a78-7ab9fac05e19/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe8e633b-ead6-4ee7-8a78-7ab9fac05e19/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem19_label04.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe8e633b-ead6-4ee7-8a78-7ab9fac05e19/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_fe8e633b-ead6-4ee7-8a78-7ab9fac05e19/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 b073191c71c477032fc88b3443bd70cba3b8be3aa40f986d5264f55b2d1b110e --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:56:12,426 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:56:12,430 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:56:12,482 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:56:12,483 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:56:12,488 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:56:12,490 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:56:12,494 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:56:12,497 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:56:12,503 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:56:12,504 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:56:12,505 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:56:12,505 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:56:12,507 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:56:12,508 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:56:12,509 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:56:12,510 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:56:12,511 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:56:12,513 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:56:12,515 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:56:12,521 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:56:12,522 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:56:12,524 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:56:12,526 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:56:12,531 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:56:12,535 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:56:12,536 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:56:12,537 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:56:12,539 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:56:12,540 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:56:12,540 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:56:12,541 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:56:12,544 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:56:12,545 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:56:12,546 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:56:12,547 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:56:12,556 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:56:12,556 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:56:12,556 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:56:12,557 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:56:12,558 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:56:12,560 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe8e633b-ead6-4ee7-8a78-7ab9fac05e19/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 15:56:12,604 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:56:12,604 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:56:12,606 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:56:12,606 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:56:12,607 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:56:12,608 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:56:12,608 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:56:12,608 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:56:12,608 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:56:12,609 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:56:12,610 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:56:12,610 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:56:12,610 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:56:12,610 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:56:12,611 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:56:12,611 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:56:12,611 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:56:12,611 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:56:12,612 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:56:12,612 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:56:12,612 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:56:12,612 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:56:12,613 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:56:12,613 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:56:12,613 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:56:12,613 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:56:12,614 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:56:12,614 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:56:12,614 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:56:12,614 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:56:12,614 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:56:12,615 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:56:12,615 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_fe8e633b-ead6-4ee7-8a78-7ab9fac05e19/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe8e633b-ead6-4ee7-8a78-7ab9fac05e19/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b073191c71c477032fc88b3443bd70cba3b8be3aa40f986d5264f55b2d1b110e [2021-11-23 15:56:12,988 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:56:13,015 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:56:13,018 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:56:13,019 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:56:13,019 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:56:13,021 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe8e633b-ead6-4ee7-8a78-7ab9fac05e19/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/eca-rers2012/Problem19_label04.c [2021-11-23 15:56:13,117 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe8e633b-ead6-4ee7-8a78-7ab9fac05e19/bin/ukojak-CwSLpZB5Qu/data/61a0d749a/0af45b3e55ab4e94a402a4245c69e537/FLAG8ff8d0b39 [2021-11-23 15:56:14,330 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:56:14,332 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe8e633b-ead6-4ee7-8a78-7ab9fac05e19/sv-benchmarks/c/eca-rers2012/Problem19_label04.c [2021-11-23 15:56:14,381 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe8e633b-ead6-4ee7-8a78-7ab9fac05e19/bin/ukojak-CwSLpZB5Qu/data/61a0d749a/0af45b3e55ab4e94a402a4245c69e537/FLAG8ff8d0b39 [2021-11-23 15:56:14,614 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe8e633b-ead6-4ee7-8a78-7ab9fac05e19/bin/ukojak-CwSLpZB5Qu/data/61a0d749a/0af45b3e55ab4e94a402a4245c69e537 [2021-11-23 15:56:14,618 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:56:14,620 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:56:14,623 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:56:14,624 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:56:14,627 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:56:14,628 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:56:14" (1/1) ... [2021-11-23 15:56:14,629 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@147b4140 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:14, skipping insertion in model container [2021-11-23 15:56:14,629 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:56:14" (1/1) ... [2021-11-23 15:56:14,637 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:56:14,904 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:56:15,240 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_fe8e633b-ead6-4ee7-8a78-7ab9fac05e19/sv-benchmarks/c/eca-rers2012/Problem19_label04.c[8051,8064] [2021-11-23 15:56:17,247 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:56:17,263 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:56:17,311 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_fe8e633b-ead6-4ee7-8a78-7ab9fac05e19/sv-benchmarks/c/eca-rers2012/Problem19_label04.c[8051,8064] [2021-11-23 15:56:18,456 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:56:18,502 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:56:18,503 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:18 WrapperNode [2021-11-23 15:56:18,504 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:56:18,505 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:56:18,505 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:56:18,505 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:56:18,513 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:18" (1/1) ... [2021-11-23 15:56:18,686 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:18" (1/1) ... [2021-11-23 15:56:19,082 INFO L137 Inliner]: procedures = 19, calls = 13, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 9418 [2021-11-23 15:56:19,082 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:56:19,083 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:56:19,083 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:56:19,084 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:56:19,093 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:18" (1/1) ... [2021-11-23 15:56:19,093 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:18" (1/1) ... [2021-11-23 15:56:19,263 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:18" (1/1) ... [2021-11-23 15:56:19,264 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:18" (1/1) ... [2021-11-23 15:56:19,477 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:18" (1/1) ... [2021-11-23 15:56:19,524 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:18" (1/1) ... [2021-11-23 15:56:19,569 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:18" (1/1) ... [2021-11-23 15:56:19,630 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:56:19,632 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:56:19,633 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:56:19,633 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:56:19,634 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:56:18" (1/1) ... [2021-11-23 15:56:19,642 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:56:19,654 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe8e633b-ead6-4ee7-8a78-7ab9fac05e19/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:56:19,673 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe8e633b-ead6-4ee7-8a78-7ab9fac05e19/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:56:19,703 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe8e633b-ead6-4ee7-8a78-7ab9fac05e19/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:56:19,736 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:56:19,737 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:56:19,737 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:56:19,737 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:56:19,951 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:56:19,953 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:57:26,008 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:57:26,093 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.addBranchEncoders(TransFormulaBuilder.java:170) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.parallelComposition(TransFormulaUtils.java:337) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.ParallelComposition.(ParallelComposition.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CodeBlockFactory.constructParallelComposition(CodeBlockFactory.java:109) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.composeParallel(CfgBuilder.java:1792) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.(CfgBuilder.java:1653) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:280) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 15:57:26,103 INFO L158 Benchmark]: Toolchain (without parser) took 71480.93ms. Allocated memory was 60.8MB in the beginning and 1.1GB in the end (delta: 1.1GB). Free memory was 30.6MB in the beginning and 933.2MB in the end (delta: -902.6MB). Peak memory consumption was 515.6MB. Max. memory is 16.1GB. [2021-11-23 15:57:26,105 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 60.8MB. Free memory was 40.9MB in the beginning and 40.9MB in the end (delta: 42.6kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:57:26,107 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3880.86ms. Allocated memory was 60.8MB in the beginning and 167.8MB in the end (delta: 107.0MB). Free memory was 30.4MB in the beginning and 50.2MB in the end (delta: -19.8MB). Peak memory consumption was 96.7MB. Max. memory is 16.1GB. [2021-11-23 15:57:26,108 INFO L158 Benchmark]: Boogie Procedure Inliner took 577.63ms. Allocated memory was 167.8MB in the beginning and 257.9MB in the end (delta: 90.2MB). Free memory was 50.2MB in the beginning and 127.2MB in the end (delta: -77.0MB). Peak memory consumption was 30.9MB. Max. memory is 16.1GB. [2021-11-23 15:57:26,109 INFO L158 Benchmark]: Boogie Preprocessor took 547.15ms. Allocated memory is still 257.9MB. Free memory was 127.2MB in the beginning and 101.4MB in the end (delta: 25.8MB). Peak memory consumption was 28.3MB. Max. memory is 16.1GB. [2021-11-23 15:57:26,110 INFO L158 Benchmark]: RCFGBuilder took 66468.25ms. Allocated memory was 257.9MB in the beginning and 1.1GB in the end (delta: 891.3MB). Free memory was 101.4MB in the beginning and 933.2MB in the end (delta: -831.7MB). Peak memory consumption was 389.0MB. Max. memory is 16.1GB. [2021-11-23 15:57:26,120 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 60.8MB. Free memory was 40.9MB in the beginning and 40.9MB in the end (delta: 42.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3880.86ms. Allocated memory was 60.8MB in the beginning and 167.8MB in the end (delta: 107.0MB). Free memory was 30.4MB in the beginning and 50.2MB in the end (delta: -19.8MB). Peak memory consumption was 96.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 577.63ms. Allocated memory was 167.8MB in the beginning and 257.9MB in the end (delta: 90.2MB). Free memory was 50.2MB in the beginning and 127.2MB in the end (delta: -77.0MB). Peak memory consumption was 30.9MB. Max. memory is 16.1GB. * Boogie Preprocessor took 547.15ms. Allocated memory is still 257.9MB. Free memory was 127.2MB in the beginning and 101.4MB in the end (delta: 25.8MB). Peak memory consumption was 28.3MB. Max. memory is 16.1GB. * RCFGBuilder took 66468.25ms. Allocated memory was 257.9MB in the beginning and 1.1GB in the end (delta: 891.3MB). Free memory was 101.4MB in the beginning and 933.2MB in the end (delta: -831.7MB). Peak memory consumption was 389.0MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 15:57:26,169 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe8e633b-ead6-4ee7-8a78-7ab9fac05e19/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