./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem14_label52.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_1ccbfd81-afaa-4a6a-bf41-e72a12a9316a/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ccbfd81-afaa-4a6a-bf41-e72a12a9316a/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_1ccbfd81-afaa-4a6a-bf41-e72a12a9316a/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ccbfd81-afaa-4a6a-bf41-e72a12a9316a/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem14_label52.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ccbfd81-afaa-4a6a-bf41-e72a12a9316a/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_1ccbfd81-afaa-4a6a-bf41-e72a12a9316a/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 5cb87901a1a48487325a966a54de6b5ebbc11974efec6936d8733f42d677aa23 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:59:12,274 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:59:12,276 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:59:12,343 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:59:12,343 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:59:12,348 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:59:12,351 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:59:12,355 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:59:12,358 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:59:12,365 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:59:12,366 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:59:12,368 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:59:12,369 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:59:12,372 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:59:12,375 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:59:12,380 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:59:12,382 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:59:12,383 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:59:12,386 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:59:12,394 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:59:12,396 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:59:12,398 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:59:12,402 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:59:12,403 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:59:12,413 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:59:12,414 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:59:12,415 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:59:12,417 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:59:12,418 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:59:12,420 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:59:12,421 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:59:12,422 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:59:12,424 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:59:12,426 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:59:12,428 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:59:12,428 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:59:12,429 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:59:12,429 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:59:12,430 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:59:12,431 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:59:12,432 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:59:12,433 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ccbfd81-afaa-4a6a-bf41-e72a12a9316a/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:59:12,486 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:59:12,486 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:59:12,492 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:59:12,493 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:59:12,494 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:59:12,494 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:59:12,494 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:59:12,495 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:59:12,501 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:59:12,502 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:59:12,503 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:59:12,503 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:59:12,503 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:59:12,503 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:59:12,504 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:59:12,504 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:59:12,504 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:59:12,504 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:59:12,505 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:59:12,505 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:59:12,505 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:59:12,506 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:59:12,506 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:59:12,506 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:59:12,506 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:59:12,507 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:59:12,507 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:59:12,507 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:59:12,507 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_1ccbfd81-afaa-4a6a-bf41-e72a12a9316a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ccbfd81-afaa-4a6a-bf41-e72a12a9316a/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5cb87901a1a48487325a966a54de6b5ebbc11974efec6936d8733f42d677aa23 [2021-11-23 15:59:12,771 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:59:12,797 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:59:12,800 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:59:12,801 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:59:12,802 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:59:12,804 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ccbfd81-afaa-4a6a-bf41-e72a12a9316a/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/eca-rers2012/Problem14_label52.c [2021-11-23 15:59:12,880 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ccbfd81-afaa-4a6a-bf41-e72a12a9316a/bin/ukojak-CwSLpZB5Qu/data/fd9ade2e8/d32d8847cb164e1395966cdcf4d65ae4/FLAG7d0c27698 [2021-11-23 15:59:13,666 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:59:13,667 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ccbfd81-afaa-4a6a-bf41-e72a12a9316a/sv-benchmarks/c/eca-rers2012/Problem14_label52.c [2021-11-23 15:59:13,686 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ccbfd81-afaa-4a6a-bf41-e72a12a9316a/bin/ukojak-CwSLpZB5Qu/data/fd9ade2e8/d32d8847cb164e1395966cdcf4d65ae4/FLAG7d0c27698 [2021-11-23 15:59:13,705 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ccbfd81-afaa-4a6a-bf41-e72a12a9316a/bin/ukojak-CwSLpZB5Qu/data/fd9ade2e8/d32d8847cb164e1395966cdcf4d65ae4 [2021-11-23 15:59:13,707 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:59:13,709 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:59:13,711 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:59:13,711 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:59:13,714 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:59:13,715 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:59:13" (1/1) ... [2021-11-23 15:59:13,716 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48e8535 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:59:13, skipping insertion in model container [2021-11-23 15:59:13,716 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:59:13" (1/1) ... [2021-11-23 15:59:13,724 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:59:13,775 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:59:13,997 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_1ccbfd81-afaa-4a6a-bf41-e72a12a9316a/sv-benchmarks/c/eca-rers2012/Problem14_label52.c[2478,2491] [2021-11-23 15:59:14,290 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:59:14,299 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:59:14,338 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_1ccbfd81-afaa-4a6a-bf41-e72a12a9316a/sv-benchmarks/c/eca-rers2012/Problem14_label52.c[2478,2491] [2021-11-23 15:59:14,509 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:59:14,530 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:59:14,531 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:59:14 WrapperNode [2021-11-23 15:59:14,531 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:59:14,533 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:59:14,533 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:59:14,535 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:59:14,545 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:59:14" (1/1) ... [2021-11-23 15:59:14,578 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:59:14" (1/1) ... [2021-11-23 15:59:14,706 INFO L137 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 858 [2021-11-23 15:59:14,717 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:59:14,718 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:59:14,718 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:59:14,718 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:59:14,728 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:59:14" (1/1) ... [2021-11-23 15:59:14,729 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:59:14" (1/1) ... [2021-11-23 15:59:14,746 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:59:14" (1/1) ... [2021-11-23 15:59:14,746 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:59:14" (1/1) ... [2021-11-23 15:59:14,806 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:59:14" (1/1) ... [2021-11-23 15:59:14,830 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:59:14" (1/1) ... [2021-11-23 15:59:14,855 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:59:14" (1/1) ... [2021-11-23 15:59:14,877 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:59:14,879 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:59:14,879 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:59:14,880 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:59:14,881 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:59:14" (1/1) ... [2021-11-23 15:59:14,890 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:59:14,904 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ccbfd81-afaa-4a6a-bf41-e72a12a9316a/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:59:14,919 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ccbfd81-afaa-4a6a-bf41-e72a12a9316a/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:59:14,928 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ccbfd81-afaa-4a6a-bf41-e72a12a9316a/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:59:14,978 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:59:14,979 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:59:14,979 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:59:14,980 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:59:15,065 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:59:15,067 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:59:16,580 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:59:16,633 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 15:59:16,644 INFO L158 Benchmark]: Toolchain (without parser) took 2932.21ms. Allocated memory was 94.4MB in the beginning and 127.9MB in the end (delta: 33.6MB). Free memory was 64.1MB in the beginning and 86.2MB in the end (delta: -22.1MB). Peak memory consumption was 46.8MB. Max. memory is 16.1GB. [2021-11-23 15:59:16,644 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 94.4MB. Free memory is still 48.6MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:59:16,646 INFO L158 Benchmark]: CACSL2BoogieTranslator took 821.13ms. Allocated memory is still 94.4MB. Free memory was 63.9MB in the beginning and 47.8MB in the end (delta: 16.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-11-23 15:59:16,648 INFO L158 Benchmark]: Boogie Procedure Inliner took 184.18ms. Allocated memory was 94.4MB in the beginning and 127.9MB in the end (delta: 33.6MB). Free memory was 47.8MB in the beginning and 97.8MB in the end (delta: -49.9MB). Peak memory consumption was 15.8MB. Max. memory is 16.1GB. [2021-11-23 15:59:16,649 INFO L158 Benchmark]: Boogie Preprocessor took 159.96ms. Allocated memory is still 127.9MB. Free memory was 97.8MB in the beginning and 92.1MB in the end (delta: 5.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-23 15:59:16,651 INFO L158 Benchmark]: RCFGBuilder took 1761.33ms. Allocated memory is still 127.9MB. Free memory was 92.1MB in the beginning and 86.2MB in the end (delta: 5.8MB). Peak memory consumption was 40.6MB. Max. memory is 16.1GB. [2021-11-23 15:59:16,659 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 94.4MB. Free memory is still 48.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 821.13ms. Allocated memory is still 94.4MB. Free memory was 63.9MB in the beginning and 47.8MB in the end (delta: 16.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 184.18ms. Allocated memory was 94.4MB in the beginning and 127.9MB in the end (delta: 33.6MB). Free memory was 47.8MB in the beginning and 97.8MB in the end (delta: -49.9MB). Peak memory consumption was 15.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 159.96ms. Allocated memory is still 127.9MB. Free memory was 97.8MB in the beginning and 92.1MB in the end (delta: 5.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 1761.33ms. Allocated memory is still 127.9MB. Free memory was 92.1MB in the beginning and 86.2MB in the end (delta: 5.8MB). Peak memory consumption was 40.6MB. 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 15:59:16,682 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ccbfd81-afaa-4a6a-bf41-e72a12a9316a/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ccbfd81-afaa-4a6a-bf41-e72a12a9316a/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ccbfd81-afaa-4a6a-bf41-e72a12a9316a/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_1ccbfd81-afaa-4a6a-bf41-e72a12a9316a/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ccbfd81-afaa-4a6a-bf41-e72a12a9316a/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem14_label52.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ccbfd81-afaa-4a6a-bf41-e72a12a9316a/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_1ccbfd81-afaa-4a6a-bf41-e72a12a9316a/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 5cb87901a1a48487325a966a54de6b5ebbc11974efec6936d8733f42d677aa23 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:59:19,216 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:59:19,218 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:59:19,262 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:59:19,263 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:59:19,268 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:59:19,270 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:59:19,278 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:59:19,282 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:59:19,288 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:59:19,292 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:59:19,293 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:59:19,294 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:59:19,297 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:59:19,299 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:59:19,303 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:59:19,305 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:59:19,306 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:59:19,313 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:59:19,320 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:59:19,323 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:59:19,324 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:59:19,327 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:59:19,329 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:59:19,338 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:59:19,338 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:59:19,339 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:59:19,341 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:59:19,341 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:59:19,342 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:59:19,343 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:59:19,344 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:59:19,346 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:59:19,347 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:59:19,349 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:59:19,349 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:59:19,350 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:59:19,350 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:59:19,351 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:59:19,352 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:59:19,353 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:59:19,354 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ccbfd81-afaa-4a6a-bf41-e72a12a9316a/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 15:59:19,406 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:59:19,406 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:59:19,408 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:59:19,408 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:59:19,409 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:59:19,409 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:59:19,410 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:59:19,410 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:59:19,410 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:59:19,410 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:59:19,411 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:59:19,412 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:59:19,412 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:59:19,412 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:59:19,412 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:59:19,413 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:59:19,413 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:59:19,413 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:59:19,413 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:59:19,413 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:59:19,414 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:59:19,414 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:59:19,414 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:59:19,414 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:59:19,415 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:59:19,415 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:59:19,415 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:59:19,415 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:59:19,415 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:59:19,416 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:59:19,416 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:59:19,416 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:59:19,416 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_1ccbfd81-afaa-4a6a-bf41-e72a12a9316a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ccbfd81-afaa-4a6a-bf41-e72a12a9316a/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5cb87901a1a48487325a966a54de6b5ebbc11974efec6936d8733f42d677aa23 [2021-11-23 15:59:19,832 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:59:19,859 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:59:19,862 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:59:19,864 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:59:19,864 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:59:19,867 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ccbfd81-afaa-4a6a-bf41-e72a12a9316a/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/eca-rers2012/Problem14_label52.c [2021-11-23 15:59:19,940 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ccbfd81-afaa-4a6a-bf41-e72a12a9316a/bin/ukojak-CwSLpZB5Qu/data/57e9e345f/49f65726c1014998a570ec15012a058a/FLAG0da1d46eb [2021-11-23 15:59:20,676 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:59:20,679 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ccbfd81-afaa-4a6a-bf41-e72a12a9316a/sv-benchmarks/c/eca-rers2012/Problem14_label52.c [2021-11-23 15:59:20,697 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ccbfd81-afaa-4a6a-bf41-e72a12a9316a/bin/ukojak-CwSLpZB5Qu/data/57e9e345f/49f65726c1014998a570ec15012a058a/FLAG0da1d46eb [2021-11-23 15:59:20,874 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ccbfd81-afaa-4a6a-bf41-e72a12a9316a/bin/ukojak-CwSLpZB5Qu/data/57e9e345f/49f65726c1014998a570ec15012a058a [2021-11-23 15:59:20,877 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:59:20,880 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:59:20,884 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:59:20,885 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:59:20,888 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:59:20,889 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:59:20" (1/1) ... [2021-11-23 15:59:20,891 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1db45185 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:59:20, skipping insertion in model container [2021-11-23 15:59:20,891 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:59:20" (1/1) ... [2021-11-23 15:59:20,902 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:59:20,960 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:59:21,238 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_1ccbfd81-afaa-4a6a-bf41-e72a12a9316a/sv-benchmarks/c/eca-rers2012/Problem14_label52.c[2478,2491] [2021-11-23 15:59:21,525 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:59:21,537 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:59:21,556 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_1ccbfd81-afaa-4a6a-bf41-e72a12a9316a/sv-benchmarks/c/eca-rers2012/Problem14_label52.c[2478,2491] [2021-11-23 15:59:21,740 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:59:21,758 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:59:21,759 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:59:21 WrapperNode [2021-11-23 15:59:21,759 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:59:21,760 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:59:21,761 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:59:21,761 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:59:21,768 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:59:21" (1/1) ... [2021-11-23 15:59:21,824 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:59:21" (1/1) ... [2021-11-23 15:59:21,886 INFO L137 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 856 [2021-11-23 15:59:21,887 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:59:21,887 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:59:21,888 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:59:21,888 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:59:21,896 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:59:21" (1/1) ... [2021-11-23 15:59:21,896 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:59:21" (1/1) ... [2021-11-23 15:59:21,903 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:59:21" (1/1) ... [2021-11-23 15:59:21,916 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:59:21" (1/1) ... [2021-11-23 15:59:21,977 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:59:21" (1/1) ... [2021-11-23 15:59:22,005 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:59:21" (1/1) ... [2021-11-23 15:59:22,028 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:59:21" (1/1) ... [2021-11-23 15:59:22,039 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:59:22,043 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:59:22,043 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:59:22,044 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:59:22,045 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:59:21" (1/1) ... [2021-11-23 15:59:22,052 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:59:22,067 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ccbfd81-afaa-4a6a-bf41-e72a12a9316a/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:59:22,081 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ccbfd81-afaa-4a6a-bf41-e72a12a9316a/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:59:22,105 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ccbfd81-afaa-4a6a-bf41-e72a12a9316a/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:59:22,142 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:59:22,142 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:59:22,142 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:59:22,142 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:59:22,230 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:59:22,232 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:59:25,733 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:59:25,765 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 15:59:25,769 INFO L158 Benchmark]: Toolchain (without parser) took 4889.77ms. Allocated memory was 56.6MB in the beginning and 90.2MB in the end (delta: 33.6MB). Free memory was 31.7MB in the beginning and 51.1MB in the end (delta: -19.4MB). Peak memory consumption was 29.3MB. Max. memory is 16.1GB. [2021-11-23 15:59:25,770 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 56.6MB. Free memory was 35.9MB in the beginning and 35.9MB in the end (delta: 44.5kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:59:25,771 INFO L158 Benchmark]: CACSL2BoogieTranslator took 875.31ms. Allocated memory was 56.6MB in the beginning and 69.2MB in the end (delta: 12.6MB). Free memory was 31.5MB in the beginning and 40.4MB in the end (delta: -8.9MB). Peak memory consumption was 14.6MB. Max. memory is 16.1GB. [2021-11-23 15:59:25,771 INFO L158 Benchmark]: Boogie Procedure Inliner took 126.44ms. Allocated memory is still 69.2MB. Free memory was 40.4MB in the beginning and 33.8MB in the end (delta: 6.6MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-23 15:59:25,772 INFO L158 Benchmark]: Boogie Preprocessor took 153.45ms. Allocated memory is still 69.2MB. Free memory was 33.8MB in the beginning and 45.3MB in the end (delta: -11.4MB). Peak memory consumption was 6.6MB. Max. memory is 16.1GB. [2021-11-23 15:59:25,773 INFO L158 Benchmark]: RCFGBuilder took 3724.51ms. Allocated memory was 69.2MB in the beginning and 90.2MB in the end (delta: 21.0MB). Free memory was 45.3MB in the beginning and 51.1MB in the end (delta: -5.8MB). Peak memory consumption was 29.0MB. Max. memory is 16.1GB. [2021-11-23 15:59:25,776 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 56.6MB. Free memory was 35.9MB in the beginning and 35.9MB in the end (delta: 44.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 875.31ms. Allocated memory was 56.6MB in the beginning and 69.2MB in the end (delta: 12.6MB). Free memory was 31.5MB in the beginning and 40.4MB in the end (delta: -8.9MB). Peak memory consumption was 14.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 126.44ms. Allocated memory is still 69.2MB. Free memory was 40.4MB in the beginning and 33.8MB in the end (delta: 6.6MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 153.45ms. Allocated memory is still 69.2MB. Free memory was 33.8MB in the beginning and 45.3MB in the end (delta: -11.4MB). Peak memory consumption was 6.6MB. Max. memory is 16.1GB. * RCFGBuilder took 3724.51ms. Allocated memory was 69.2MB in the beginning and 90.2MB in the end (delta: 21.0MB). Free memory was 45.3MB in the beginning and 51.1MB in the end (delta: -5.8MB). Peak memory consumption was 29.0MB. 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 15:59:25,829 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ccbfd81-afaa-4a6a-bf41-e72a12a9316a/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