./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem06_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_8fee1a92-0881-4ec9-882e-3e4e04ebf7e6/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fee1a92-0881-4ec9-882e-3e4e04ebf7e6/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_8fee1a92-0881-4ec9-882e-3e4e04ebf7e6/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fee1a92-0881-4ec9-882e-3e4e04ebf7e6/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem06_label04.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fee1a92-0881-4ec9-882e-3e4e04ebf7e6/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_8fee1a92-0881-4ec9-882e-3e4e04ebf7e6/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 012a4976607d09f79dcadeaeaba08d968afb7d1da839f81f957ade26341fd4a3 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:04:39,326 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:04:39,330 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:04:39,366 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:04:39,367 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:04:39,368 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:04:39,370 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:04:39,373 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:04:39,375 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:04:39,376 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:04:39,377 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:04:39,379 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:04:39,379 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:04:39,381 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:04:39,382 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:04:39,384 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:04:39,385 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:04:39,386 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:04:39,388 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:04:39,391 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:04:39,393 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:04:39,394 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:04:39,396 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:04:39,397 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:04:39,401 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:04:39,402 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:04:39,402 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:04:39,403 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:04:39,404 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:04:39,405 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:04:39,405 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:04:39,406 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:04:39,407 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:04:39,408 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:04:39,410 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:04:39,410 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:04:39,411 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:04:39,411 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:04:39,411 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:04:39,412 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:04:39,413 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:04:39,414 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fee1a92-0881-4ec9-882e-3e4e04ebf7e6/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:04:39,442 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:04:39,444 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:04:39,446 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:04:39,446 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:04:39,447 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:04:39,447 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:04:39,448 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:04:39,448 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:04:39,453 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:04:39,453 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:04:39,454 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:04:39,454 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:04:39,454 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:04:39,454 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:04:39,454 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:04:39,455 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:04:39,455 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:04:39,455 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:04:39,455 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:04:39,455 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:04:39,456 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:04:39,456 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:04:39,456 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:04:39,456 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:04:39,457 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:04:39,457 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:04:39,457 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:04:39,457 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:04:39,457 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_8fee1a92-0881-4ec9-882e-3e4e04ebf7e6/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fee1a92-0881-4ec9-882e-3e4e04ebf7e6/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 012a4976607d09f79dcadeaeaba08d968afb7d1da839f81f957ade26341fd4a3 [2021-11-23 15:04:39,718 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:04:39,750 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:04:39,752 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:04:39,754 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:04:39,755 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:04:39,756 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fee1a92-0881-4ec9-882e-3e4e04ebf7e6/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/eca-rers2012/Problem06_label04.c [2021-11-23 15:04:39,827 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fee1a92-0881-4ec9-882e-3e4e04ebf7e6/bin/ukojak-CwSLpZB5Qu/data/fd75415ce/f47a23ef5b664778aeaeff968226d48e/FLAG0948b5d6b [2021-11-23 15:04:40,848 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:04:40,849 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fee1a92-0881-4ec9-882e-3e4e04ebf7e6/sv-benchmarks/c/eca-rers2012/Problem06_label04.c [2021-11-23 15:04:40,901 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fee1a92-0881-4ec9-882e-3e4e04ebf7e6/bin/ukojak-CwSLpZB5Qu/data/fd75415ce/f47a23ef5b664778aeaeff968226d48e/FLAG0948b5d6b [2021-11-23 15:04:41,170 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fee1a92-0881-4ec9-882e-3e4e04ebf7e6/bin/ukojak-CwSLpZB5Qu/data/fd75415ce/f47a23ef5b664778aeaeff968226d48e [2021-11-23 15:04:41,173 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:04:41,174 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:04:41,175 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:04:41,176 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:04:41,179 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:04:41,179 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:04:41" (1/1) ... [2021-11-23 15:04:41,181 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@678f36cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:41, skipping insertion in model container [2021-11-23 15:04:41,181 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:04:41" (1/1) ... [2021-11-23 15:04:41,187 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:04:41,390 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:04:43,915 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_8fee1a92-0881-4ec9-882e-3e4e04ebf7e6/sv-benchmarks/c/eca-rers2012/Problem06_label04.c[331678,331691] [2021-11-23 15:04:43,938 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:04:43,947 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:04:45,137 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_8fee1a92-0881-4ec9-882e-3e4e04ebf7e6/sv-benchmarks/c/eca-rers2012/Problem06_label04.c[331678,331691] [2021-11-23 15:04:45,148 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:04:45,204 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:04:45,205 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:45 WrapperNode [2021-11-23 15:04:45,205 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:04:45,206 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:04:45,206 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:04:45,208 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:04:45,216 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:45" (1/1) ... [2021-11-23 15:04:45,308 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:45" (1/1) ... [2021-11-23 15:04:45,716 INFO L137 Inliner]: procedures = 18, calls = 12, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 10173 [2021-11-23 15:04:45,717 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:04:45,718 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:04:45,718 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:04:45,718 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:04:45,727 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:45" (1/1) ... [2021-11-23 15:04:45,727 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:45" (1/1) ... [2021-11-23 15:04:45,800 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:45" (1/1) ... [2021-11-23 15:04:45,811 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:45" (1/1) ... [2021-11-23 15:04:46,051 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:45" (1/1) ... [2021-11-23 15:04:46,095 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:45" (1/1) ... [2021-11-23 15:04:46,111 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:45" (1/1) ... [2021-11-23 15:04:46,240 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:04:46,242 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:04:46,243 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:04:46,243 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:04:46,244 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:45" (1/1) ... [2021-11-23 15:04:46,265 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:04:46,289 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fee1a92-0881-4ec9-882e-3e4e04ebf7e6/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:04:46,333 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fee1a92-0881-4ec9-882e-3e4e04ebf7e6/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:04:46,415 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fee1a92-0881-4ec9-882e-3e4e04ebf7e6/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:04:46,481 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:04:46,481 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:04:46,482 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:04:46,482 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:04:46,650 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:04:46,665 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:04:53,225 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:04:53,311 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.addBranchEncoders(TransFormulaBuilder.java:170) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.parallelComposition(TransFormulaUtils.java:337) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.ParallelComposition.(ParallelComposition.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CodeBlockFactory.constructParallelComposition(CodeBlockFactory.java:109) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.composeParallel(CfgBuilder.java:1792) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.(CfgBuilder.java:1653) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:280) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 15:04:53,322 INFO L158 Benchmark]: Toolchain (without parser) took 12145.25ms. Allocated memory was 125.8MB in the beginning and 983.6MB in the end (delta: 857.7MB). Free memory was 77.1MB in the beginning and 733.4MB in the end (delta: -656.3MB). Peak memory consumption was 350.0MB. Max. memory is 16.1GB. [2021-11-23 15:04:53,322 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 125.8MB. Free memory is still 99.6MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:04:53,325 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4030.18ms. Allocated memory was 125.8MB in the beginning and 289.4MB in the end (delta: 163.6MB). Free memory was 77.1MB in the beginning and 181.3MB in the end (delta: -104.2MB). Peak memory consumption was 110.2MB. Max. memory is 16.1GB. [2021-11-23 15:04:53,326 INFO L158 Benchmark]: Boogie Procedure Inliner took 510.85ms. Allocated memory is still 289.4MB. Free memory was 181.3MB in the beginning and 161.9MB in the end (delta: 19.4MB). Peak memory consumption was 93.9MB. Max. memory is 16.1GB. [2021-11-23 15:04:53,327 INFO L158 Benchmark]: Boogie Preprocessor took 522.88ms. Allocated memory was 289.4MB in the beginning and 578.8MB in the end (delta: 289.4MB). Free memory was 161.9MB in the beginning and 428.1MB in the end (delta: -266.2MB). Peak memory consumption was 70.3MB. Max. memory is 16.1GB. [2021-11-23 15:04:53,328 INFO L158 Benchmark]: RCFGBuilder took 7076.28ms. Allocated memory was 578.8MB in the beginning and 983.6MB in the end (delta: 404.8MB). Free memory was 428.1MB in the beginning and 733.4MB in the end (delta: -305.3MB). Peak memory consumption was 247.5MB. Max. memory is 16.1GB. [2021-11-23 15:04:53,338 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 125.8MB. Free memory is still 99.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 4030.18ms. Allocated memory was 125.8MB in the beginning and 289.4MB in the end (delta: 163.6MB). Free memory was 77.1MB in the beginning and 181.3MB in the end (delta: -104.2MB). Peak memory consumption was 110.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 510.85ms. Allocated memory is still 289.4MB. Free memory was 181.3MB in the beginning and 161.9MB in the end (delta: 19.4MB). Peak memory consumption was 93.9MB. Max. memory is 16.1GB. * Boogie Preprocessor took 522.88ms. Allocated memory was 289.4MB in the beginning and 578.8MB in the end (delta: 289.4MB). Free memory was 161.9MB in the beginning and 428.1MB in the end (delta: -266.2MB). Peak memory consumption was 70.3MB. Max. memory is 16.1GB. * RCFGBuilder took 7076.28ms. Allocated memory was 578.8MB in the beginning and 983.6MB in the end (delta: 404.8MB). Free memory was 428.1MB in the beginning and 733.4MB in the end (delta: -305.3MB). Peak memory consumption was 247.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 15:04:53,395 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fee1a92-0881-4ec9-882e-3e4e04ebf7e6/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_8fee1a92-0881-4ec9-882e-3e4e04ebf7e6/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fee1a92-0881-4ec9-882e-3e4e04ebf7e6/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_8fee1a92-0881-4ec9-882e-3e4e04ebf7e6/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fee1a92-0881-4ec9-882e-3e4e04ebf7e6/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem06_label04.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fee1a92-0881-4ec9-882e-3e4e04ebf7e6/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_8fee1a92-0881-4ec9-882e-3e4e04ebf7e6/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 012a4976607d09f79dcadeaeaba08d968afb7d1da839f81f957ade26341fd4a3 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:04:55,917 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:04:55,921 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:04:55,975 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:04:55,976 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:04:55,980 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:04:55,983 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:04:55,988 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:04:55,991 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:04:55,997 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:04:56,001 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:04:56,003 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:04:56,004 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:04:56,007 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:04:56,009 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:04:56,014 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:04:56,015 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:04:56,017 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:04:56,019 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:04:56,027 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:04:56,029 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:04:56,030 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:04:56,033 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:04:56,035 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:04:56,045 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:04:56,045 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:04:56,046 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:04:56,048 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:04:56,048 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:04:56,050 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:04:56,050 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:04:56,051 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:04:56,054 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:04:56,054 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:04:56,056 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:04:56,057 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:04:56,058 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:04:56,058 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:04:56,058 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:04:56,060 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:04:56,061 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:04:56,062 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fee1a92-0881-4ec9-882e-3e4e04ebf7e6/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 15:04:56,105 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:04:56,106 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:04:56,107 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:04:56,108 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:04:56,109 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:04:56,109 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:04:56,110 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:04:56,110 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:04:56,110 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:04:56,110 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:04:56,111 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:04:56,112 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:04:56,112 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:04:56,112 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:04:56,112 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:04:56,113 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:04:56,113 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:04:56,113 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:04:56,113 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:04:56,114 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:04:56,114 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:04:56,114 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:04:56,114 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:04:56,115 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:04:56,115 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:04:56,115 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:04:56,115 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:04:56,116 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:04:56,116 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:04:56,116 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:04:56,116 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:04:56,116 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:04:56,117 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_8fee1a92-0881-4ec9-882e-3e4e04ebf7e6/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fee1a92-0881-4ec9-882e-3e4e04ebf7e6/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 012a4976607d09f79dcadeaeaba08d968afb7d1da839f81f957ade26341fd4a3 [2021-11-23 15:04:56,554 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:04:56,584 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:04:56,587 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:04:56,588 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:04:56,589 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:04:56,591 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fee1a92-0881-4ec9-882e-3e4e04ebf7e6/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/eca-rers2012/Problem06_label04.c [2021-11-23 15:04:56,664 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fee1a92-0881-4ec9-882e-3e4e04ebf7e6/bin/ukojak-CwSLpZB5Qu/data/6f8b26801/8c28a35a1c5c4eaaaf4cfc209df31b45/FLAG25b8f17b0 [2021-11-23 15:04:57,851 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:04:57,853 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fee1a92-0881-4ec9-882e-3e4e04ebf7e6/sv-benchmarks/c/eca-rers2012/Problem06_label04.c [2021-11-23 15:04:57,920 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fee1a92-0881-4ec9-882e-3e4e04ebf7e6/bin/ukojak-CwSLpZB5Qu/data/6f8b26801/8c28a35a1c5c4eaaaf4cfc209df31b45/FLAG25b8f17b0 [2021-11-23 15:04:58,081 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fee1a92-0881-4ec9-882e-3e4e04ebf7e6/bin/ukojak-CwSLpZB5Qu/data/6f8b26801/8c28a35a1c5c4eaaaf4cfc209df31b45 [2021-11-23 15:04:58,083 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:04:58,086 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:04:58,089 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:04:58,089 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:04:58,092 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:04:58,093 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:04:58" (1/1) ... [2021-11-23 15:04:58,094 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2559cb3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:58, skipping insertion in model container [2021-11-23 15:04:58,095 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:04:58" (1/1) ... [2021-11-23 15:04:58,102 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:04:58,341 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:05:00,639 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_8fee1a92-0881-4ec9-882e-3e4e04ebf7e6/sv-benchmarks/c/eca-rers2012/Problem06_label04.c[331678,331691] [2021-11-23 15:05:00,672 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:05:00,687 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:05:02,008 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_8fee1a92-0881-4ec9-882e-3e4e04ebf7e6/sv-benchmarks/c/eca-rers2012/Problem06_label04.c[331678,331691] [2021-11-23 15:05:02,019 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:05:02,107 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:05:02,108 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:02 WrapperNode [2021-11-23 15:05:02,108 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:05:02,110 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:05:02,110 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:05:02,110 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:05:02,118 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:02" (1/1) ... [2021-11-23 15:05:02,263 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:02" (1/1) ... [2021-11-23 15:05:02,806 INFO L137 Inliner]: procedures = 18, calls = 12, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 10167 [2021-11-23 15:05:02,806 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:05:02,807 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:05:02,808 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:05:02,808 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:05:02,817 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:02" (1/1) ... [2021-11-23 15:05:02,817 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:02" (1/1) ... [2021-11-23 15:05:02,954 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:02" (1/1) ... [2021-11-23 15:05:02,955 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:02" (1/1) ... [2021-11-23 15:05:03,353 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:02" (1/1) ... [2021-11-23 15:05:03,451 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:02" (1/1) ... [2021-11-23 15:05:03,578 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:02" (1/1) ... [2021-11-23 15:05:03,774 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:05:03,776 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:05:03,776 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:05:03,776 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:05:03,777 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:02" (1/1) ... [2021-11-23 15:05:03,784 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:05:03,796 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fee1a92-0881-4ec9-882e-3e4e04ebf7e6/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:05:03,814 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fee1a92-0881-4ec9-882e-3e4e04ebf7e6/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:05:03,838 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fee1a92-0881-4ec9-882e-3e4e04ebf7e6/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:05:03,876 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:05:03,876 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:05:03,877 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:05:03,877 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:05:04,044 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:05:04,045 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:05:13,508 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:05:13,595 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 15:05:13,603 INFO L158 Benchmark]: Toolchain (without parser) took 15514.85ms. Allocated memory was 79.7MB in the beginning and 738.2MB in the end (delta: 658.5MB). Free memory was 34.7MB in the beginning and 556.4MB in the end (delta: -521.7MB). Peak memory consumption was 471.3MB. Max. memory is 16.1GB. [2021-11-23 15:05:13,604 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 79.7MB. Free memory was 61.0MB in the beginning and 60.9MB in the end (delta: 69.6kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:05:13,606 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4019.93ms. Allocated memory was 79.7MB in the beginning and 190.8MB in the end (delta: 111.1MB). Free memory was 34.6MB in the beginning and 110.4MB in the end (delta: -75.8MB). Peak memory consumption was 72.2MB. Max. memory is 16.1GB. [2021-11-23 15:05:13,607 INFO L158 Benchmark]: Boogie Procedure Inliner took 696.66ms. Allocated memory is still 190.8MB. Free memory was 110.4MB in the beginning and 63.5MB in the end (delta: 46.9MB). Peak memory consumption was 63.1MB. Max. memory is 16.1GB. [2021-11-23 15:05:13,608 INFO L158 Benchmark]: Boogie Preprocessor took 967.29ms. Allocated memory was 190.8MB in the beginning and 381.7MB in the end (delta: 190.8MB). Free memory was 63.5MB in the beginning and 250.6MB in the end (delta: -187.1MB). Peak memory consumption was 36.1MB. Max. memory is 16.1GB. [2021-11-23 15:05:13,609 INFO L158 Benchmark]: RCFGBuilder took 9824.12ms. Allocated memory was 381.7MB in the beginning and 738.2MB in the end (delta: 356.5MB). Free memory was 250.6MB in the beginning and 556.4MB in the end (delta: -305.7MB). Peak memory consumption was 386.0MB. Max. memory is 16.1GB. [2021-11-23 15:05:13,619 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 79.7MB. Free memory was 61.0MB in the beginning and 60.9MB in the end (delta: 69.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 4019.93ms. Allocated memory was 79.7MB in the beginning and 190.8MB in the end (delta: 111.1MB). Free memory was 34.6MB in the beginning and 110.4MB in the end (delta: -75.8MB). Peak memory consumption was 72.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 696.66ms. Allocated memory is still 190.8MB. Free memory was 110.4MB in the beginning and 63.5MB in the end (delta: 46.9MB). Peak memory consumption was 63.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 967.29ms. Allocated memory was 190.8MB in the beginning and 381.7MB in the end (delta: 190.8MB). Free memory was 63.5MB in the beginning and 250.6MB in the end (delta: -187.1MB). Peak memory consumption was 36.1MB. Max. memory is 16.1GB. * RCFGBuilder took 9824.12ms. Allocated memory was 381.7MB in the beginning and 738.2MB in the end (delta: 356.5MB). Free memory was 250.6MB in the beginning and 556.4MB in the end (delta: -305.7MB). Peak memory consumption was 386.0MB. 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 15:05:13,686 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8fee1a92-0881-4ec9-882e-3e4e04ebf7e6/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