./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem19_label36.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_e60e011b-6f00-49b0-a3d9-809aec2f1bb2/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e60e011b-6f00-49b0-a3d9-809aec2f1bb2/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_e60e011b-6f00-49b0-a3d9-809aec2f1bb2/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e60e011b-6f00-49b0-a3d9-809aec2f1bb2/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem19_label36.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e60e011b-6f00-49b0-a3d9-809aec2f1bb2/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_e60e011b-6f00-49b0-a3d9-809aec2f1bb2/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 158875ed82f6adb78f018d1a8bc2a535d1da6fdaab2920e425a521dfa898a4c9 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:04:37,453 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:04:37,455 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:04:37,490 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:04:37,490 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:04:37,492 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:04:37,494 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:04:37,496 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:04:37,499 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:04:37,500 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:04:37,502 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:04:37,504 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:04:37,504 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:04:37,506 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:04:37,508 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:04:37,510 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:04:37,511 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:04:37,512 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:04:37,515 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:04:37,518 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:04:37,520 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:04:37,522 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:04:37,524 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:04:37,525 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:04:37,529 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:04:37,530 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:04:37,530 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:04:37,532 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:04:37,532 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:04:37,534 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:04:37,534 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:04:37,535 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:04:37,537 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:04:37,538 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:04:37,539 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:04:37,540 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:04:37,541 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:04:37,541 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:04:37,542 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:04:37,543 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:04:37,544 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:04:37,545 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e60e011b-6f00-49b0-a3d9-809aec2f1bb2/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:04:37,570 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:04:37,570 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:04:37,571 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:04:37,571 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:04:37,572 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:04:37,572 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:04:37,573 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:04:37,573 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:04:37,573 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:04:37,573 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:04:37,580 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:04:37,580 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:04:37,580 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:04:37,580 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:04:37,581 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:04:37,581 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:04:37,581 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:04:37,581 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:04:37,582 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:04:37,582 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:04:37,582 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:04:37,582 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:04:37,583 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:04:37,583 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:04:37,583 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:04:37,583 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:04:37,584 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:04:37,584 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:04:37,584 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_e60e011b-6f00-49b0-a3d9-809aec2f1bb2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e60e011b-6f00-49b0-a3d9-809aec2f1bb2/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 158875ed82f6adb78f018d1a8bc2a535d1da6fdaab2920e425a521dfa898a4c9 [2021-11-23 15:04:37,840 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:04:37,866 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:04:37,869 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:04:37,870 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:04:37,873 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:04:37,876 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e60e011b-6f00-49b0-a3d9-809aec2f1bb2/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/eca-rers2012/Problem19_label36.c [2021-11-23 15:04:37,967 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e60e011b-6f00-49b0-a3d9-809aec2f1bb2/bin/ukojak-CwSLpZB5Qu/data/6eb02f834/bb388100605e4ab687db44d0fd7795bb/FLAG8e9f847a3 [2021-11-23 15:04:38,891 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:04:38,892 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e60e011b-6f00-49b0-a3d9-809aec2f1bb2/sv-benchmarks/c/eca-rers2012/Problem19_label36.c [2021-11-23 15:04:38,950 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e60e011b-6f00-49b0-a3d9-809aec2f1bb2/bin/ukojak-CwSLpZB5Qu/data/6eb02f834/bb388100605e4ab687db44d0fd7795bb/FLAG8e9f847a3 [2021-11-23 15:04:39,268 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e60e011b-6f00-49b0-a3d9-809aec2f1bb2/bin/ukojak-CwSLpZB5Qu/data/6eb02f834/bb388100605e4ab687db44d0fd7795bb [2021-11-23 15:04:39,271 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:04:39,274 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:04:39,277 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:04:39,277 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:04:39,280 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:04:39,282 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:04:39" (1/1) ... [2021-11-23 15:04:39,286 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5dd9d9b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:39, skipping insertion in model container [2021-11-23 15:04:39,287 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:04:39" (1/1) ... [2021-11-23 15:04:39,294 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:04:39,605 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:04:40,039 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_e60e011b-6f00-49b0-a3d9-809aec2f1bb2/sv-benchmarks/c/eca-rers2012/Problem19_label36.c[4552,4565] [2021-11-23 15:04:41,755 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:04:41,761 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:04:41,782 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_e60e011b-6f00-49b0-a3d9-809aec2f1bb2/sv-benchmarks/c/eca-rers2012/Problem19_label36.c[4552,4565] [2021-11-23 15:04:42,927 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:04:42,975 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:04:42,976 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:42 WrapperNode [2021-11-23 15:04:42,976 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:04:42,977 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:04:42,978 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:04:42,979 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:04:42,987 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:42" (1/1) ... [2021-11-23 15:04:43,110 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:42" (1/1) ... [2021-11-23 15:04:44,019 INFO L137 Inliner]: procedures = 19, calls = 13, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 9425 [2021-11-23 15:04:44,020 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:04:44,021 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:04:44,021 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:04:44,021 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:04:44,032 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:42" (1/1) ... [2021-11-23 15:04:44,032 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:42" (1/1) ... [2021-11-23 15:04:44,371 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:42" (1/1) ... [2021-11-23 15:04:44,372 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:42" (1/1) ... [2021-11-23 15:04:44,914 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:42" (1/1) ... [2021-11-23 15:04:44,973 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:42" (1/1) ... [2021-11-23 15:04:45,099 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:42" (1/1) ... [2021-11-23 15:04:45,428 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:04:45,429 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:04:45,430 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:04:45,430 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:04:45,431 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:42" (1/1) ... [2021-11-23 15:04:45,439 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:04:45,451 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e60e011b-6f00-49b0-a3d9-809aec2f1bb2/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:04:45,462 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e60e011b-6f00-49b0-a3d9-809aec2f1bb2/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:04:45,486 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e60e011b-6f00-49b0-a3d9-809aec2f1bb2/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:04:45,517 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:04:45,517 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:04:45,517 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:04:45,517 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:04:45,587 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:04:45,588 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:04:55,043 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:04:55,152 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 15:04:55,164 INFO L158 Benchmark]: Toolchain (without parser) took 15887.41ms. Allocated memory was 98.6MB in the beginning and 2.3GB in the end (delta: 2.2GB). Free memory was 55.2MB in the beginning and 1.8GB in the end (delta: -1.8GB). Peak memory consumption was 416.4MB. Max. memory is 16.1GB. [2021-11-23 15:04:55,166 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 98.6MB. Free memory was 68.9MB in the beginning and 68.8MB in the end (delta: 29.8kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:04:55,167 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3699.81ms. Allocated memory was 98.6MB in the beginning and 308.3MB in the end (delta: 209.7MB). Free memory was 55.2MB in the beginning and 209.0MB in the end (delta: -153.8MB). Peak memory consumption was 106.6MB. Max. memory is 16.1GB. [2021-11-23 15:04:55,169 INFO L158 Benchmark]: Boogie Procedure Inliner took 1042.93ms. Allocated memory is still 308.3MB. Free memory was 209.0MB in the beginning and 115.1MB in the end (delta: 93.9MB). Peak memory consumption was 174.1MB. Max. memory is 16.1GB. [2021-11-23 15:04:55,171 INFO L158 Benchmark]: Boogie Preprocessor took 1407.61ms. Allocated memory was 308.3MB in the beginning and 633.3MB in the end (delta: 325.1MB). Free memory was 115.1MB in the beginning and 392.0MB in the end (delta: -277.0MB). Peak memory consumption was 84.9MB. Max. memory is 16.1GB. [2021-11-23 15:04:55,172 INFO L158 Benchmark]: RCFGBuilder took 9731.26ms. Allocated memory was 633.3MB in the beginning and 2.3GB in the end (delta: 1.7GB). Free memory was 392.0MB in the beginning and 1.8GB in the end (delta: -1.4GB). Peak memory consumption was 218.7MB. Max. memory is 16.1GB. [2021-11-23 15:04:55,183 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 98.6MB. Free memory was 68.9MB in the beginning and 68.8MB in the end (delta: 29.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3699.81ms. Allocated memory was 98.6MB in the beginning and 308.3MB in the end (delta: 209.7MB). Free memory was 55.2MB in the beginning and 209.0MB in the end (delta: -153.8MB). Peak memory consumption was 106.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 1042.93ms. Allocated memory is still 308.3MB. Free memory was 209.0MB in the beginning and 115.1MB in the end (delta: 93.9MB). Peak memory consumption was 174.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 1407.61ms. Allocated memory was 308.3MB in the beginning and 633.3MB in the end (delta: 325.1MB). Free memory was 115.1MB in the beginning and 392.0MB in the end (delta: -277.0MB). Peak memory consumption was 84.9MB. Max. memory is 16.1GB. * RCFGBuilder took 9731.26ms. Allocated memory was 633.3MB in the beginning and 2.3GB in the end (delta: 1.7GB). Free memory was 392.0MB in the beginning and 1.8GB in the end (delta: -1.4GB). Peak memory consumption was 218.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 15:04:55,217 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e60e011b-6f00-49b0-a3d9-809aec2f1bb2/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_e60e011b-6f00-49b0-a3d9-809aec2f1bb2/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e60e011b-6f00-49b0-a3d9-809aec2f1bb2/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_e60e011b-6f00-49b0-a3d9-809aec2f1bb2/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e60e011b-6f00-49b0-a3d9-809aec2f1bb2/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem19_label36.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e60e011b-6f00-49b0-a3d9-809aec2f1bb2/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_e60e011b-6f00-49b0-a3d9-809aec2f1bb2/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 158875ed82f6adb78f018d1a8bc2a535d1da6fdaab2920e425a521dfa898a4c9 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:04:57,879 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:04:57,881 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:04:57,937 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:04:57,938 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:04:57,942 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:04:57,944 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:04:57,948 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:04:57,952 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:04:57,957 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:04:57,961 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:04:57,963 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:04:57,963 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:04:57,966 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:04:57,969 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:04:57,973 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:04:57,975 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:04:57,976 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:04:57,978 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:04:57,983 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:04:57,984 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:04:57,986 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:04:57,989 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:04:57,991 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:04:58,002 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:04:58,003 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:04:58,003 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:04:58,005 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:04:58,006 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:04:58,007 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:04:58,008 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:04:58,008 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:04:58,010 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:04:58,011 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:04:58,013 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:04:58,013 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:04:58,014 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:04:58,014 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:04:58,014 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:04:58,016 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:04:58,017 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:04:58,018 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e60e011b-6f00-49b0-a3d9-809aec2f1bb2/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 15:04:58,061 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:04:58,061 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:04:58,063 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:04:58,063 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:04:58,064 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:04:58,064 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:04:58,065 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:04:58,065 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:04:58,065 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:04:58,065 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:04:58,066 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:04:58,067 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:04:58,067 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:04:58,067 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:04:58,067 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:04:58,067 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:04:58,067 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:04:58,068 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:04:58,068 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:04:58,068 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:04:58,068 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:04:58,068 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:04:58,069 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:04:58,069 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:04:58,069 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:04:58,069 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:04:58,070 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:04:58,070 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:04:58,070 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:04:58,070 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:04:58,070 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:04:58,071 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:04:58,071 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_e60e011b-6f00-49b0-a3d9-809aec2f1bb2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e60e011b-6f00-49b0-a3d9-809aec2f1bb2/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 158875ed82f6adb78f018d1a8bc2a535d1da6fdaab2920e425a521dfa898a4c9 [2021-11-23 15:04:58,482 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:04:58,505 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:04:58,508 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:04:58,510 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:04:58,511 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:04:58,512 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e60e011b-6f00-49b0-a3d9-809aec2f1bb2/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/eca-rers2012/Problem19_label36.c [2021-11-23 15:04:58,594 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e60e011b-6f00-49b0-a3d9-809aec2f1bb2/bin/ukojak-CwSLpZB5Qu/data/6fa4ecc13/8e99b4ea2c2f435295476c1fb224fc67/FLAGf96dc76d5 [2021-11-23 15:04:59,654 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:04:59,655 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e60e011b-6f00-49b0-a3d9-809aec2f1bb2/sv-benchmarks/c/eca-rers2012/Problem19_label36.c [2021-11-23 15:04:59,719 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e60e011b-6f00-49b0-a3d9-809aec2f1bb2/bin/ukojak-CwSLpZB5Qu/data/6fa4ecc13/8e99b4ea2c2f435295476c1fb224fc67/FLAGf96dc76d5 [2021-11-23 15:04:59,985 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e60e011b-6f00-49b0-a3d9-809aec2f1bb2/bin/ukojak-CwSLpZB5Qu/data/6fa4ecc13/8e99b4ea2c2f435295476c1fb224fc67 [2021-11-23 15:04:59,988 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:04:59,989 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:04:59,991 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:04:59,992 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:04:59,996 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:04:59,997 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:04:59" (1/1) ... [2021-11-23 15:04:59,998 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c7ebf88 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:59, skipping insertion in model container [2021-11-23 15:04:59,998 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:04:59" (1/1) ... [2021-11-23 15:05:00,006 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:05:00,268 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:05:00,695 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_e60e011b-6f00-49b0-a3d9-809aec2f1bb2/sv-benchmarks/c/eca-rers2012/Problem19_label36.c[4552,4565] [2021-11-23 15:05:02,751 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:05:02,764 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:05:02,806 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_e60e011b-6f00-49b0-a3d9-809aec2f1bb2/sv-benchmarks/c/eca-rers2012/Problem19_label36.c[4552,4565] [2021-11-23 15:05:04,017 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:05:04,099 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:05:04,099 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:04 WrapperNode [2021-11-23 15:05:04,100 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:05:04,101 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:05:04,101 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:05:04,102 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:05:04,109 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:04" (1/1) ... [2021-11-23 15:05:04,229 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:04" (1/1) ... [2021-11-23 15:05:04,619 INFO L137 Inliner]: procedures = 19, calls = 13, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 9418 [2021-11-23 15:05:04,619 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:05:04,620 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:05:04,620 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:05:04,621 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:05:04,630 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:04" (1/1) ... [2021-11-23 15:05:04,631 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:04" (1/1) ... [2021-11-23 15:05:04,699 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:04" (1/1) ... [2021-11-23 15:05:04,700 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:04" (1/1) ... [2021-11-23 15:05:05,139 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:04" (1/1) ... [2021-11-23 15:05:05,262 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:04" (1/1) ... [2021-11-23 15:05:05,349 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:04" (1/1) ... [2021-11-23 15:05:05,430 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:05:05,432 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:05:05,433 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:05:05,433 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:05:05,435 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:04" (1/1) ... [2021-11-23 15:05:05,444 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:05:05,458 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e60e011b-6f00-49b0-a3d9-809aec2f1bb2/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:05:05,484 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e60e011b-6f00-49b0-a3d9-809aec2f1bb2/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:05:05,556 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e60e011b-6f00-49b0-a3d9-809aec2f1bb2/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:05:05,588 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:05:05,589 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:05:05,589 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:05:05,589 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:05:05,674 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:05:05,675 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:06:15,717 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:06:15,798 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 15:06:15,803 INFO L158 Benchmark]: Toolchain (without parser) took 75812.61ms. Allocated memory was 73.4MB in the beginning and 847.2MB in the end (delta: 773.8MB). Free memory was 38.7MB in the beginning and 478.9MB in the end (delta: -440.3MB). Peak memory consumption was 334.5MB. Max. memory is 16.1GB. [2021-11-23 15:06:15,804 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 52.4MB. Free memory was 34.0MB in the beginning and 33.9MB in the end (delta: 38.3kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:06:15,806 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4108.87ms. Allocated memory was 73.4MB in the beginning and 211.8MB in the end (delta: 138.4MB). Free memory was 38.5MB in the beginning and 129.4MB in the end (delta: -90.9MB). Peak memory consumption was 123.8MB. Max. memory is 16.1GB. [2021-11-23 15:06:15,806 INFO L158 Benchmark]: Boogie Procedure Inliner took 518.45ms. Allocated memory is still 211.8MB. Free memory was 129.4MB in the beginning and 97.6MB in the end (delta: 31.7MB). Peak memory consumption was 91.9MB. Max. memory is 16.1GB. [2021-11-23 15:06:15,807 INFO L158 Benchmark]: Boogie Preprocessor took 810.52ms. Allocated memory was 211.8MB in the beginning and 423.6MB in the end (delta: 211.8MB). Free memory was 97.6MB in the beginning and 289.7MB in the end (delta: -192.1MB). Peak memory consumption was 40.2MB. Max. memory is 16.1GB. [2021-11-23 15:06:15,809 INFO L158 Benchmark]: RCFGBuilder took 70368.66ms. Allocated memory was 423.6MB in the beginning and 847.2MB in the end (delta: 423.6MB). Free memory was 289.7MB in the beginning and 478.9MB in the end (delta: -189.2MB). Peak memory consumption was 237.9MB. Max. memory is 16.1GB. [2021-11-23 15:06:15,813 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 52.4MB. Free memory was 34.0MB in the beginning and 33.9MB in the end (delta: 38.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 4108.87ms. Allocated memory was 73.4MB in the beginning and 211.8MB in the end (delta: 138.4MB). Free memory was 38.5MB in the beginning and 129.4MB in the end (delta: -90.9MB). Peak memory consumption was 123.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 518.45ms. Allocated memory is still 211.8MB. Free memory was 129.4MB in the beginning and 97.6MB in the end (delta: 31.7MB). Peak memory consumption was 91.9MB. Max. memory is 16.1GB. * Boogie Preprocessor took 810.52ms. Allocated memory was 211.8MB in the beginning and 423.6MB in the end (delta: 211.8MB). Free memory was 97.6MB in the beginning and 289.7MB in the end (delta: -192.1MB). Peak memory consumption was 40.2MB. Max. memory is 16.1GB. * RCFGBuilder took 70368.66ms. Allocated memory was 423.6MB in the beginning and 847.2MB in the end (delta: 423.6MB). Free memory was 289.7MB in the beginning and 478.9MB in the end (delta: -189.2MB). Peak memory consumption was 237.9MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 15:06:15,884 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e60e011b-6f00-49b0-a3d9-809aec2f1bb2/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable