./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-programs/Problem102_label08.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_1a33f2fa-7a6d-4500-98bc-fc1880842eca/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a33f2fa-7a6d-4500-98bc-fc1880842eca/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_1a33f2fa-7a6d-4500-98bc-fc1880842eca/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a33f2fa-7a6d-4500-98bc-fc1880842eca/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-programs/Problem102_label08.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a33f2fa-7a6d-4500-98bc-fc1880842eca/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_1a33f2fa-7a6d-4500-98bc-fc1880842eca/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 89abf8b03cac3c6e60fcecf6325e94cd3e7a1da71db35f722e93a1a3becbdb9a --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:05:09,428 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:05:09,430 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:05:09,476 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:05:09,477 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:05:09,482 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:05:09,484 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:05:09,488 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:05:09,491 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:05:09,497 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:05:09,498 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:05:09,500 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:05:09,501 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:05:09,504 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:05:09,506 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:05:09,511 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:05:09,513 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:05:09,514 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:05:09,516 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:05:09,524 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:05:09,526 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:05:09,528 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:05:09,532 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:05:09,533 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:05:09,542 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:05:09,542 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:05:09,543 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:05:09,545 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:05:09,546 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:05:09,547 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:05:09,549 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:05:09,550 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:05:09,552 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:05:09,554 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:05:09,556 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:05:09,556 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:05:09,557 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:05:09,557 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:05:09,557 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:05:09,559 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:05:09,559 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:05:09,560 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a33f2fa-7a6d-4500-98bc-fc1880842eca/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:05:09,608 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:05:09,609 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:05:09,610 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:05:09,610 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:05:09,611 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:05:09,612 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:05:09,612 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:05:09,612 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:05:09,612 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:05:09,613 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:05:09,613 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:05:09,613 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:05:09,613 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:05:09,614 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:05:09,614 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:05:09,614 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:05:09,614 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:05:09,614 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:05:09,615 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:05:09,615 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:05:09,615 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:05:09,615 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:05:09,616 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:05:09,616 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:05:09,616 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:05:09,616 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:05:09,617 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:05:09,617 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:05:09,617 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_1a33f2fa-7a6d-4500-98bc-fc1880842eca/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a33f2fa-7a6d-4500-98bc-fc1880842eca/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 89abf8b03cac3c6e60fcecf6325e94cd3e7a1da71db35f722e93a1a3becbdb9a [2021-11-23 15:05:09,891 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:05:09,913 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:05:09,916 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:05:09,918 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:05:09,919 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:05:09,920 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a33f2fa-7a6d-4500-98bc-fc1880842eca/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/eca-programs/Problem102_label08.c [2021-11-23 15:05:09,996 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a33f2fa-7a6d-4500-98bc-fc1880842eca/bin/ukojak-CwSLpZB5Qu/data/4f6f8aaf7/2ebdca9c4f6a46cc8a6c809e6c47be81/FLAG26a880f41 [2021-11-23 15:05:13,493 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:05:13,494 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a33f2fa-7a6d-4500-98bc-fc1880842eca/sv-benchmarks/c/eca-programs/Problem102_label08.c [2021-11-23 15:05:13,990 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a33f2fa-7a6d-4500-98bc-fc1880842eca/bin/ukojak-CwSLpZB5Qu/data/4f6f8aaf7/2ebdca9c4f6a46cc8a6c809e6c47be81/FLAG26a880f41 [2021-11-23 15:05:14,419 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a33f2fa-7a6d-4500-98bc-fc1880842eca/bin/ukojak-CwSLpZB5Qu/data/4f6f8aaf7/2ebdca9c4f6a46cc8a6c809e6c47be81 [2021-11-23 15:05:14,423 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:05:14,425 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:05:14,429 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:05:14,429 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:05:14,433 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:05:14,437 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:05:14" (1/1) ... [2021-11-23 15:05:14,439 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@115c4326 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:14, skipping insertion in model container [2021-11-23 15:05:14,439 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:05:14" (1/1) ... [2021-11-23 15:05:14,448 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:05:16,348 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:05:42,163 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_1a33f2fa-7a6d-4500-98bc-fc1880842eca/sv-benchmarks/c/eca-programs/Problem102_label08.c[5713402,5713415] [2021-11-23 15:05:42,313 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:05:42,323 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:05:56,625 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_1a33f2fa-7a6d-4500-98bc-fc1880842eca/sv-benchmarks/c/eca-programs/Problem102_label08.c[5713402,5713415] [2021-11-23 15:05:56,631 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:06:02,583 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:06:02,584 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:02 WrapperNode [2021-11-23 15:06:02,584 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:06:02,585 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:06:02,585 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:06:02,586 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:06:02,594 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:02" (1/1) ... [2021-11-23 15:06:04,355 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:02" (1/1) ... [2021-11-23 15:06:09,603 INFO L137 Inliner]: procedures = 95, calls = 89, calls flagged for inlining = 84, calls inlined = 84, statements flattened = 184295 [2021-11-23 15:06:09,604 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:06:09,605 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:06:09,605 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:06:09,605 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:06:09,616 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:02" (1/1) ... [2021-11-23 15:06:09,617 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:02" (1/1) ... [2021-11-23 15:06:10,601 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:02" (1/1) ... [2021-11-23 15:06:10,602 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:02" (1/1) ... [2021-11-23 15:06:13,800 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:02" (1/1) ... [2021-11-23 15:06:14,166 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:02" (1/1) ... [2021-11-23 15:06:14,708 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:02" (1/1) ... [2021-11-23 15:06:15,591 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:06:15,593 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:06:15,595 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:06:15,595 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:06:15,599 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:06:02" (1/1) ... [2021-11-23 15:06:15,622 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:06:15,648 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a33f2fa-7a6d-4500-98bc-fc1880842eca/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:06:15,689 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a33f2fa-7a6d-4500-98bc-fc1880842eca/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:06:15,707 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a33f2fa-7a6d-4500-98bc-fc1880842eca/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:06:15,746 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:06:15,746 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:06:15,746 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:06:15,747 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:06:16,005 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:06:16,008 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:07:35,250 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:07:35,779 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 15:07:35,806 INFO L158 Benchmark]: Toolchain (without parser) took 141363.91ms. Allocated memory was 369.1MB in the beginning and 11.9GB in the end (delta: 11.5GB). Free memory was 157.3MB in the beginning and 8.5GB in the end (delta: -8.3GB). Peak memory consumption was 3.8GB. Max. memory is 16.1GB. [2021-11-23 15:07:35,807 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 134.2MB. Free memory is still 112.8MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:07:35,810 INFO L158 Benchmark]: CACSL2BoogieTranslator took 48155.19ms. Allocated memory was 369.1MB in the beginning and 4.7GB in the end (delta: 4.3GB). Free memory was 157.3MB in the beginning and 2.8GB in the end (delta: -2.7GB). Peak memory consumption was 2.0GB. Max. memory is 16.1GB. [2021-11-23 15:07:35,812 INFO L158 Benchmark]: Boogie Procedure Inliner took 7018.93ms. Allocated memory was 4.7GB in the beginning and 7.4GB in the end (delta: 2.7GB). Free memory was 2.8GB in the beginning and 4.8GB in the end (delta: -2.0GB). Peak memory consumption was 870.3MB. Max. memory is 16.1GB. [2021-11-23 15:07:35,814 INFO L158 Benchmark]: Boogie Preprocessor took 5987.19ms. Allocated memory was 7.4GB in the beginning and 10.2GB in the end (delta: 2.8GB). Free memory was 4.8GB in the beginning and 7.2GB in the end (delta: -2.3GB). Peak memory consumption was 594.5MB. Max. memory is 16.1GB. [2021-11-23 15:07:35,816 INFO L158 Benchmark]: RCFGBuilder took 80195.24ms. Allocated memory was 10.2GB in the beginning and 11.9GB in the end (delta: 1.7GB). Free memory was 7.2GB in the beginning and 8.5GB in the end (delta: -1.3GB). Peak memory consumption was 924.8MB. Max. memory is 16.1GB. [2021-11-23 15:07:35,829 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 134.2MB. Free memory is still 112.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 48155.19ms. Allocated memory was 369.1MB in the beginning and 4.7GB in the end (delta: 4.3GB). Free memory was 157.3MB in the beginning and 2.8GB in the end (delta: -2.7GB). Peak memory consumption was 2.0GB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 7018.93ms. Allocated memory was 4.7GB in the beginning and 7.4GB in the end (delta: 2.7GB). Free memory was 2.8GB in the beginning and 4.8GB in the end (delta: -2.0GB). Peak memory consumption was 870.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 5987.19ms. Allocated memory was 7.4GB in the beginning and 10.2GB in the end (delta: 2.8GB). Free memory was 4.8GB in the beginning and 7.2GB in the end (delta: -2.3GB). Peak memory consumption was 594.5MB. Max. memory is 16.1GB. * RCFGBuilder took 80195.24ms. Allocated memory was 10.2GB in the beginning and 11.9GB in the end (delta: 1.7GB). Free memory was 7.2GB in the beginning and 8.5GB in the end (delta: -1.3GB). Peak memory consumption was 924.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 15:07:35,936 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a33f2fa-7a6d-4500-98bc-fc1880842eca/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_1a33f2fa-7a6d-4500-98bc-fc1880842eca/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a33f2fa-7a6d-4500-98bc-fc1880842eca/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_1a33f2fa-7a6d-4500-98bc-fc1880842eca/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a33f2fa-7a6d-4500-98bc-fc1880842eca/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-programs/Problem102_label08.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a33f2fa-7a6d-4500-98bc-fc1880842eca/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_1a33f2fa-7a6d-4500-98bc-fc1880842eca/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 89abf8b03cac3c6e60fcecf6325e94cd3e7a1da71db35f722e93a1a3becbdb9a --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:07:38,898 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:07:38,903 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:07:38,967 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:07:38,968 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:07:38,973 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:07:38,975 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:07:38,981 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:07:38,984 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:07:38,990 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:07:38,995 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:07:38,997 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:07:38,998 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:07:39,001 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:07:39,004 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:07:39,009 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:07:39,011 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:07:39,013 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:07:39,015 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:07:39,026 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:07:39,028 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:07:39,030 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:07:39,035 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:07:39,037 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:07:39,048 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:07:39,048 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:07:39,049 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:07:39,051 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:07:39,052 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:07:39,053 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:07:39,054 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:07:39,055 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:07:39,058 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:07:39,059 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:07:39,061 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:07:39,061 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:07:39,062 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:07:39,062 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:07:39,063 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:07:39,065 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:07:39,066 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:07:39,072 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a33f2fa-7a6d-4500-98bc-fc1880842eca/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 15:07:39,126 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:07:39,127 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:07:39,128 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:07:39,129 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:07:39,130 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:07:39,131 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:07:39,131 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:07:39,131 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:07:39,132 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:07:39,132 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:07:39,133 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:07:39,133 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:07:39,134 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:07:39,134 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:07:39,134 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:07:39,134 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:07:39,135 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:07:39,135 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:07:39,135 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:07:39,135 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:07:39,135 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:07:39,136 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:07:39,136 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:07:39,136 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:07:39,137 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:07:39,137 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:07:39,137 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:07:39,137 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:07:39,137 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:07:39,138 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:07:39,138 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:07:39,138 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:07:39,139 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_1a33f2fa-7a6d-4500-98bc-fc1880842eca/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a33f2fa-7a6d-4500-98bc-fc1880842eca/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 89abf8b03cac3c6e60fcecf6325e94cd3e7a1da71db35f722e93a1a3becbdb9a [2021-11-23 15:07:39,676 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:07:39,705 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:07:39,708 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:07:39,710 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:07:39,711 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:07:39,715 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a33f2fa-7a6d-4500-98bc-fc1880842eca/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/eca-programs/Problem102_label08.c [2021-11-23 15:07:39,809 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a33f2fa-7a6d-4500-98bc-fc1880842eca/bin/ukojak-CwSLpZB5Qu/data/bbd36e11c/87a04a4220e648ed8856287567d7b76f/FLAG50a739f49 [2021-11-23 15:07:44,859 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:07:44,861 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a33f2fa-7a6d-4500-98bc-fc1880842eca/sv-benchmarks/c/eca-programs/Problem102_label08.c [2021-11-23 15:07:45,167 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a33f2fa-7a6d-4500-98bc-fc1880842eca/bin/ukojak-CwSLpZB5Qu/data/bbd36e11c/87a04a4220e648ed8856287567d7b76f/FLAG50a739f49 [2021-11-23 15:07:45,389 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a33f2fa-7a6d-4500-98bc-fc1880842eca/bin/ukojak-CwSLpZB5Qu/data/bbd36e11c/87a04a4220e648ed8856287567d7b76f [2021-11-23 15:07:45,392 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:07:45,394 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:07:45,396 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:07:45,396 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:07:45,405 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:07:45,406 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:07:45" (1/1) ... [2021-11-23 15:07:45,408 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2357d349 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:07:45, skipping insertion in model container [2021-11-23 15:07:45,408 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:07:45" (1/1) ... [2021-11-23 15:07:45,417 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:07:47,468 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:08:17,843 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_1a33f2fa-7a6d-4500-98bc-fc1880842eca/sv-benchmarks/c/eca-programs/Problem102_label08.c[5713402,5713415] [2021-11-23 15:08:17,991 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:08:18,007 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:08:34,020 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_1a33f2fa-7a6d-4500-98bc-fc1880842eca/sv-benchmarks/c/eca-programs/Problem102_label08.c[5713402,5713415] [2021-11-23 15:08:34,030 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:08:39,625 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:08:39,625 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:08:39 WrapperNode [2021-11-23 15:08:39,625 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:08:39,627 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:08:39,627 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:08:39,627 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:08:39,635 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:08:39" (1/1) ... [2021-11-23 15:08:41,083 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:08:39" (1/1) ... [2021-11-23 15:08:47,326 INFO L137 Inliner]: procedures = 95, calls = 89, calls flagged for inlining = 84, calls inlined = 84, statements flattened = 184212 [2021-11-23 15:08:47,326 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:08:47,327 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:08:47,327 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:08:47,328 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:08:47,336 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:08:39" (1/1) ... [2021-11-23 15:08:47,336 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:08:39" (1/1) ... [2021-11-23 15:08:48,292 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:08:39" (1/1) ... [2021-11-23 15:08:48,293 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:08:39" (1/1) ... [2021-11-23 15:08:51,140 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:08:39" (1/1) ... [2021-11-23 15:08:52,473 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:08:39" (1/1) ... [2021-11-23 15:08:53,173 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:08:39" (1/1) ... [2021-11-23 15:08:54,056 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:08:54,058 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:08:54,058 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:08:54,059 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:08:54,061 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:08:39" (1/1) ... [2021-11-23 15:08:54,087 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:08:54,101 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a33f2fa-7a6d-4500-98bc-fc1880842eca/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:08:54,113 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a33f2fa-7a6d-4500-98bc-fc1880842eca/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:08:54,122 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a33f2fa-7a6d-4500-98bc-fc1880842eca/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:08:54,163 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:08:54,163 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:08:54,163 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:08:54,164 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:08:54,393 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:08:54,400 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:10:53,205 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:10:53,766 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 15:10:53,774 INFO L158 Benchmark]: Toolchain (without parser) took 188377.67ms. Allocated memory was 899.7MB in the beginning and 12.1GB in the end (delta: 11.2GB). Free memory was 630.3MB in the beginning and 8.5GB in the end (delta: -7.9GB). Peak memory consumption was 3.8GB. Max. memory is 16.1GB. [2021-11-23 15:10:53,775 INFO L158 Benchmark]: CDTParser took 0.40ms. Allocated memory is still 54.5MB. Free memory was 35.9MB in the beginning and 35.9MB in the end (delta: 38.2kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:10:53,777 INFO L158 Benchmark]: CACSL2BoogieTranslator took 54230.24ms. Allocated memory was 899.7MB in the beginning and 6.3GB in the end (delta: 5.4GB). Free memory was 630.3MB in the beginning and 4.4GB in the end (delta: -3.7GB). Peak memory consumption was 1.9GB. Max. memory is 16.1GB. [2021-11-23 15:10:53,778 INFO L158 Benchmark]: Boogie Procedure Inliner took 7699.89ms. Allocated memory was 6.3GB in the beginning and 9.2GB in the end (delta: 2.9GB). Free memory was 4.4GB in the beginning and 6.6GB in the end (delta: -2.2GB). Peak memory consumption was 870.3MB. Max. memory is 16.1GB. [2021-11-23 15:10:53,779 INFO L158 Benchmark]: Boogie Preprocessor took 6729.84ms. Allocated memory is still 9.2GB. Free memory was 6.6GB in the beginning and 6.1GB in the end (delta: 434.1MB). Peak memory consumption was 736.1MB. Max. memory is 16.1GB. [2021-11-23 15:10:53,780 INFO L158 Benchmark]: RCFGBuilder took 119712.45ms. Allocated memory was 9.2GB in the beginning and 12.1GB in the end (delta: 2.9GB). Free memory was 6.1GB in the beginning and 8.5GB in the end (delta: -2.4GB). Peak memory consumption was 984.6MB. Max. memory is 16.1GB. [2021-11-23 15:10:53,785 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40ms. Allocated memory is still 54.5MB. Free memory was 35.9MB in the beginning and 35.9MB in the end (delta: 38.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 54230.24ms. Allocated memory was 899.7MB in the beginning and 6.3GB in the end (delta: 5.4GB). Free memory was 630.3MB in the beginning and 4.4GB in the end (delta: -3.7GB). Peak memory consumption was 1.9GB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 7699.89ms. Allocated memory was 6.3GB in the beginning and 9.2GB in the end (delta: 2.9GB). Free memory was 4.4GB in the beginning and 6.6GB in the end (delta: -2.2GB). Peak memory consumption was 870.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 6729.84ms. Allocated memory is still 9.2GB. Free memory was 6.6GB in the beginning and 6.1GB in the end (delta: 434.1MB). Peak memory consumption was 736.1MB. Max. memory is 16.1GB. * RCFGBuilder took 119712.45ms. Allocated memory was 9.2GB in the beginning and 12.1GB in the end (delta: 2.9GB). Free memory was 6.1GB in the beginning and 8.5GB in the end (delta: -2.4GB). Peak memory consumption was 984.6MB. 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 15:10:53,901 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a33f2fa-7a6d-4500-98bc-fc1880842eca/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