./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem04_label23.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_bb3844c2-243a-41b7-8144-219a3b08fdb2/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb3844c2-243a-41b7-8144-219a3b08fdb2/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_bb3844c2-243a-41b7-8144-219a3b08fdb2/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb3844c2-243a-41b7-8144-219a3b08fdb2/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem04_label23.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb3844c2-243a-41b7-8144-219a3b08fdb2/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_bb3844c2-243a-41b7-8144-219a3b08fdb2/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 47ff27a18b01e8b4591935cf165ecfbb2c1dc4a991e5a76147a644ae40a59e3c --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:58:51,310 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:58:51,320 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:58:51,397 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:58:51,398 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:58:51,401 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:58:51,403 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:58:51,407 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:58:51,410 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:58:51,416 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:58:51,417 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:58:51,419 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:58:51,420 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:58:51,422 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:58:51,424 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:58:51,429 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:58:51,432 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:58:51,434 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:58:51,436 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:58:51,446 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:58:51,448 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:58:51,449 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:58:51,453 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:58:51,454 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:58:51,463 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:58:51,464 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:58:51,464 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:58:51,466 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:58:51,467 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:58:51,468 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:58:51,469 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:58:51,470 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:58:51,472 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:58:51,473 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:58:51,474 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:58:51,475 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:58:51,475 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:58:51,476 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:58:51,476 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:58:51,477 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:58:51,478 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:58:51,479 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb3844c2-243a-41b7-8144-219a3b08fdb2/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:58:51,520 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:58:51,520 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:58:51,521 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:58:51,522 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:58:51,522 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:58:51,522 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:58:51,523 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:58:51,523 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:58:51,529 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:58:51,529 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:58:51,530 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:58:51,531 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:58:51,531 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:58:51,531 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:58:51,531 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:58:51,532 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:58:51,532 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:58:51,532 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:58:51,532 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:58:51,532 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:58:51,533 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:58:51,533 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:58:51,533 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:58:51,533 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:58:51,534 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:58:51,534 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:58:51,534 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:58:51,534 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:58:51,534 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_bb3844c2-243a-41b7-8144-219a3b08fdb2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb3844c2-243a-41b7-8144-219a3b08fdb2/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 47ff27a18b01e8b4591935cf165ecfbb2c1dc4a991e5a76147a644ae40a59e3c [2021-11-23 15:58:51,778 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:58:51,803 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:58:51,805 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:58:51,807 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:58:51,808 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:58:51,809 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb3844c2-243a-41b7-8144-219a3b08fdb2/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/eca-rers2012/Problem04_label23.c [2021-11-23 15:58:51,871 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb3844c2-243a-41b7-8144-219a3b08fdb2/bin/ukojak-CwSLpZB5Qu/data/ef160f78e/e6529250ce254a3491e33aae108ed646/FLAG790c2623a [2021-11-23 15:58:52,709 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:58:52,710 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb3844c2-243a-41b7-8144-219a3b08fdb2/sv-benchmarks/c/eca-rers2012/Problem04_label23.c [2021-11-23 15:58:52,744 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb3844c2-243a-41b7-8144-219a3b08fdb2/bin/ukojak-CwSLpZB5Qu/data/ef160f78e/e6529250ce254a3491e33aae108ed646/FLAG790c2623a [2021-11-23 15:58:53,218 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb3844c2-243a-41b7-8144-219a3b08fdb2/bin/ukojak-CwSLpZB5Qu/data/ef160f78e/e6529250ce254a3491e33aae108ed646 [2021-11-23 15:58:53,222 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:58:53,223 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:58:53,225 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:58:53,225 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:58:53,232 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:58:53,233 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:58:53" (1/1) ... [2021-11-23 15:58:53,234 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7367fe68 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:53, skipping insertion in model container [2021-11-23 15:58:53,235 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:58:53" (1/1) ... [2021-11-23 15:58:53,240 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:58:53,385 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:58:54,760 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_bb3844c2-243a-41b7-8144-219a3b08fdb2/sv-benchmarks/c/eca-rers2012/Problem04_label23.c[183052,183065] [2021-11-23 15:58:54,784 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:58:54,795 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:58:55,620 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_bb3844c2-243a-41b7-8144-219a3b08fdb2/sv-benchmarks/c/eca-rers2012/Problem04_label23.c[183052,183065] [2021-11-23 15:58:55,625 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:58:55,655 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:58:55,656 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:55 WrapperNode [2021-11-23 15:58:55,656 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:58:55,657 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:58:55,658 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:58:55,659 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:58:55,667 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:55" (1/1) ... [2021-11-23 15:58:55,728 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:55" (1/1) ... [2021-11-23 15:58:55,985 INFO L137 Inliner]: procedures = 17, calls = 11, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 5572 [2021-11-23 15:58:55,986 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:58:55,987 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:58:55,987 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:58:55,987 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:58:55,996 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:55" (1/1) ... [2021-11-23 15:58:55,996 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:55" (1/1) ... [2021-11-23 15:58:56,014 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:55" (1/1) ... [2021-11-23 15:58:56,015 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:55" (1/1) ... [2021-11-23 15:58:56,102 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:55" (1/1) ... [2021-11-23 15:58:56,130 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:55" (1/1) ... [2021-11-23 15:58:56,146 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:55" (1/1) ... [2021-11-23 15:58:56,170 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:58:56,171 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:58:56,171 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:58:56,171 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:58:56,174 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:55" (1/1) ... [2021-11-23 15:58:56,182 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:58:56,193 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb3844c2-243a-41b7-8144-219a3b08fdb2/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:58:56,207 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb3844c2-243a-41b7-8144-219a3b08fdb2/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:58:56,238 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb3844c2-243a-41b7-8144-219a3b08fdb2/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:58:56,262 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:58:56,262 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:58:56,262 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:58:56,263 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:58:56,366 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:58:56,368 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:59:00,337 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:59:00,399 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 15:59:00,409 INFO L158 Benchmark]: Toolchain (without parser) took 7183.65ms. Allocated memory was 111.1MB in the beginning and 417.3MB in the end (delta: 306.2MB). Free memory was 65.0MB in the beginning and 238.2MB in the end (delta: -173.2MB). Peak memory consumption was 177.9MB. Max. memory is 16.1GB. [2021-11-23 15:59:00,410 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 111.1MB. Free memory is still 68.0MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:59:00,412 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2431.59ms. Allocated memory was 111.1MB in the beginning and 157.3MB in the end (delta: 46.1MB). Free memory was 64.8MB in the beginning and 69.2MB in the end (delta: -4.4MB). Peak memory consumption was 57.4MB. Max. memory is 16.1GB. [2021-11-23 15:59:00,413 INFO L158 Benchmark]: Boogie Procedure Inliner took 328.56ms. Allocated memory was 157.3MB in the beginning and 230.7MB in the end (delta: 73.4MB). Free memory was 69.2MB in the beginning and 143.6MB in the end (delta: -74.3MB). Peak memory consumption was 19.2MB. Max. memory is 16.1GB. [2021-11-23 15:59:00,414 INFO L158 Benchmark]: Boogie Preprocessor took 183.19ms. Allocated memory is still 230.7MB. Free memory was 143.6MB in the beginning and 116.3MB in the end (delta: 27.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2021-11-23 15:59:00,415 INFO L158 Benchmark]: RCFGBuilder took 4235.48ms. Allocated memory was 230.7MB in the beginning and 417.3MB in the end (delta: 186.6MB). Free memory was 116.3MB in the beginning and 238.2MB in the end (delta: -121.9MB). Peak memory consumption was 109.7MB. Max. memory is 16.1GB. [2021-11-23 15:59:00,424 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 111.1MB. Free memory is still 68.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2431.59ms. Allocated memory was 111.1MB in the beginning and 157.3MB in the end (delta: 46.1MB). Free memory was 64.8MB in the beginning and 69.2MB in the end (delta: -4.4MB). Peak memory consumption was 57.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 328.56ms. Allocated memory was 157.3MB in the beginning and 230.7MB in the end (delta: 73.4MB). Free memory was 69.2MB in the beginning and 143.6MB in the end (delta: -74.3MB). Peak memory consumption was 19.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 183.19ms. Allocated memory is still 230.7MB. Free memory was 143.6MB in the beginning and 116.3MB in the end (delta: 27.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * RCFGBuilder took 4235.48ms. Allocated memory was 230.7MB in the beginning and 417.3MB in the end (delta: 186.6MB). Free memory was 116.3MB in the beginning and 238.2MB in the end (delta: -121.9MB). Peak memory consumption was 109.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 15:59:00,478 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb3844c2-243a-41b7-8144-219a3b08fdb2/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_bb3844c2-243a-41b7-8144-219a3b08fdb2/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb3844c2-243a-41b7-8144-219a3b08fdb2/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_bb3844c2-243a-41b7-8144-219a3b08fdb2/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb3844c2-243a-41b7-8144-219a3b08fdb2/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem04_label23.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb3844c2-243a-41b7-8144-219a3b08fdb2/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_bb3844c2-243a-41b7-8144-219a3b08fdb2/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 47ff27a18b01e8b4591935cf165ecfbb2c1dc4a991e5a76147a644ae40a59e3c --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:59:02,742 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:59:02,745 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:59:02,798 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:59:02,798 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:59:02,802 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:59:02,804 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:59:02,808 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:59:02,812 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:59:02,817 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:59:02,821 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:59:02,823 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:59:02,823 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:59:02,825 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:59:02,827 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:59:02,832 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:59:02,833 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:59:02,834 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:59:02,836 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:59:02,843 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:59:02,845 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:59:02,846 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:59:02,850 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:59:02,851 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:59:02,854 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:59:02,855 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:59:02,855 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:59:02,856 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:59:02,857 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:59:02,858 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:59:02,858 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:59:02,859 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:59:02,860 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:59:02,861 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:59:02,862 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:59:02,862 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:59:02,863 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:59:02,863 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:59:02,863 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:59:02,864 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:59:02,865 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:59:02,865 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb3844c2-243a-41b7-8144-219a3b08fdb2/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 15:59:02,889 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:59:02,890 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:59:02,891 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:59:02,891 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:59:02,892 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:59:02,893 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:59:02,893 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:59:02,893 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:59:02,893 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:59:02,893 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:59:02,894 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:59:02,895 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:59:02,895 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:59:02,895 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:59:02,895 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:59:02,895 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:59:02,896 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:59:02,896 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:59:02,896 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:59:02,896 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:59:02,896 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:59:02,897 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:59:02,897 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:59:02,897 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:59:02,897 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:59:02,897 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:59:02,898 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:59:02,898 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:59:02,898 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:59:02,898 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:59:02,898 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:59:02,898 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:59:02,899 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_bb3844c2-243a-41b7-8144-219a3b08fdb2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb3844c2-243a-41b7-8144-219a3b08fdb2/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 47ff27a18b01e8b4591935cf165ecfbb2c1dc4a991e5a76147a644ae40a59e3c [2021-11-23 15:59:03,271 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:59:03,299 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:59:03,304 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:59:03,305 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:59:03,306 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:59:03,309 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb3844c2-243a-41b7-8144-219a3b08fdb2/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/eca-rers2012/Problem04_label23.c [2021-11-23 15:59:03,388 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb3844c2-243a-41b7-8144-219a3b08fdb2/bin/ukojak-CwSLpZB5Qu/data/ba73828b4/6245085488774fa9aba15f456a2add0d/FLAGbdb63eb38 [2021-11-23 15:59:04,244 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:59:04,246 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb3844c2-243a-41b7-8144-219a3b08fdb2/sv-benchmarks/c/eca-rers2012/Problem04_label23.c [2021-11-23 15:59:04,284 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb3844c2-243a-41b7-8144-219a3b08fdb2/bin/ukojak-CwSLpZB5Qu/data/ba73828b4/6245085488774fa9aba15f456a2add0d/FLAGbdb63eb38 [2021-11-23 15:59:04,712 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb3844c2-243a-41b7-8144-219a3b08fdb2/bin/ukojak-CwSLpZB5Qu/data/ba73828b4/6245085488774fa9aba15f456a2add0d [2021-11-23 15:59:04,715 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:59:04,716 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:59:04,720 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:59:04,720 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:59:04,723 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:59:04,725 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:59:04" (1/1) ... [2021-11-23 15:59:04,726 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@179a4d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:59:04, skipping insertion in model container [2021-11-23 15:59:04,726 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:59:04" (1/1) ... [2021-11-23 15:59:04,733 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:59:04,881 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:59:06,245 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_bb3844c2-243a-41b7-8144-219a3b08fdb2/sv-benchmarks/c/eca-rers2012/Problem04_label23.c[183052,183065] [2021-11-23 15:59:06,261 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:59:06,274 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:59:06,985 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_bb3844c2-243a-41b7-8144-219a3b08fdb2/sv-benchmarks/c/eca-rers2012/Problem04_label23.c[183052,183065] [2021-11-23 15:59:06,997 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:59:07,030 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:59:07,031 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:59:07 WrapperNode [2021-11-23 15:59:07,031 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:59:07,032 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:59:07,033 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:59:07,033 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:59:07,040 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:59:07" (1/1) ... [2021-11-23 15:59:07,116 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:59:07" (1/1) ... [2021-11-23 15:59:07,352 INFO L137 Inliner]: procedures = 17, calls = 11, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 5567 [2021-11-23 15:59:07,352 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:59:07,353 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:59:07,354 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:59:07,354 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:59:07,362 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:59:07" (1/1) ... [2021-11-23 15:59:07,363 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:59:07" (1/1) ... [2021-11-23 15:59:07,391 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:59:07" (1/1) ... [2021-11-23 15:59:07,392 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:59:07" (1/1) ... [2021-11-23 15:59:07,492 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:59:07" (1/1) ... [2021-11-23 15:59:07,524 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:59:07" (1/1) ... [2021-11-23 15:59:07,640 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:59:07" (1/1) ... [2021-11-23 15:59:07,678 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:59:07,681 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:59:07,681 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:59:07,681 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:59:07,683 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:59:07" (1/1) ... [2021-11-23 15:59:07,689 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:59:07,703 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb3844c2-243a-41b7-8144-219a3b08fdb2/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:59:07,719 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb3844c2-243a-41b7-8144-219a3b08fdb2/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:59:07,738 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb3844c2-243a-41b7-8144-219a3b08fdb2/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:59:07,768 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:59:07,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:59:07,769 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:59:07,769 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:59:07,846 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:59:07,848 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:59:13,539 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:59:13,611 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 15:59:13,619 INFO L158 Benchmark]: Toolchain (without parser) took 8900.60ms. Allocated memory was 73.4MB in the beginning and 377.5MB in the end (delta: 304.1MB). Free memory was 50.2MB in the beginning and 179.8MB in the end (delta: -129.6MB). Peak memory consumption was 194.6MB. Max. memory is 16.1GB. [2021-11-23 15:59:13,621 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 54.5MB. Free memory was 34.8MB in the beginning and 34.8MB in the end (delta: 41.6kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:59:13,622 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2311.70ms. Allocated memory was 73.4MB in the beginning and 148.9MB in the end (delta: 75.5MB). Free memory was 50.0MB in the beginning and 91.1MB in the end (delta: -41.1MB). Peak memory consumption was 55.6MB. Max. memory is 16.1GB. [2021-11-23 15:59:13,623 INFO L158 Benchmark]: Boogie Procedure Inliner took 319.83ms. Allocated memory is still 148.9MB. Free memory was 91.1MB in the beginning and 77.6MB in the end (delta: 13.5MB). Peak memory consumption was 45.1MB. Max. memory is 16.1GB. [2021-11-23 15:59:13,624 INFO L158 Benchmark]: Boogie Preprocessor took 325.02ms. Allocated memory is still 148.9MB. Free memory was 77.6MB in the beginning and 67.0MB in the end (delta: 10.6MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2021-11-23 15:59:13,624 INFO L158 Benchmark]: RCFGBuilder took 5935.64ms. Allocated memory was 148.9MB in the beginning and 377.5MB in the end (delta: 228.6MB). Free memory was 67.0MB in the beginning and 179.8MB in the end (delta: -112.9MB). Peak memory consumption was 135.9MB. Max. memory is 16.1GB. [2021-11-23 15:59:13,633 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 54.5MB. Free memory was 34.8MB in the beginning and 34.8MB in the end (delta: 41.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2311.70ms. Allocated memory was 73.4MB in the beginning and 148.9MB in the end (delta: 75.5MB). Free memory was 50.0MB in the beginning and 91.1MB in the end (delta: -41.1MB). Peak memory consumption was 55.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 319.83ms. Allocated memory is still 148.9MB. Free memory was 91.1MB in the beginning and 77.6MB in the end (delta: 13.5MB). Peak memory consumption was 45.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 325.02ms. Allocated memory is still 148.9MB. Free memory was 77.6MB in the beginning and 67.0MB in the end (delta: 10.6MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * RCFGBuilder took 5935.64ms. Allocated memory was 148.9MB in the beginning and 377.5MB in the end (delta: 228.6MB). Free memory was 67.0MB in the beginning and 179.8MB in the end (delta: -112.9MB). Peak memory consumption was 135.9MB. 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 15:59:13,683 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb3844c2-243a-41b7-8144-219a3b08fdb2/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