./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded/pals_floodmax.4_overflow.ufo.UNBOUNDED.pals.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_673e1a58-9052-45e3-b200-0447daa05e80/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_673e1a58-9052-45e3-b200-0447daa05e80/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_673e1a58-9052-45e3-b200-0447daa05e80/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_673e1a58-9052-45e3-b200-0447daa05e80/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/seq-mthreaded/pals_floodmax.4_overflow.ufo.UNBOUNDED.pals.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_673e1a58-9052-45e3-b200-0447daa05e80/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_673e1a58-9052-45e3-b200-0447daa05e80/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 a476129b1600ab93482417c4ebe15d373b743970a04c4bdd8ca1478cbccf2de7 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:04:56,386 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:04:56,388 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:04:56,431 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:04:56,432 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:04:56,434 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:04:56,436 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:04:56,438 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:04:56,440 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:04:56,442 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:04:56,443 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:04:56,445 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:04:56,446 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:04:56,447 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:04:56,449 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:04:56,451 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:04:56,452 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:04:56,453 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:04:56,456 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:04:56,459 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:04:56,461 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:04:56,463 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:04:56,465 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:04:56,466 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:04:56,470 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:04:56,471 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:04:56,471 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:04:56,472 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:04:56,473 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:04:56,475 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:04:56,475 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:04:56,476 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:04:56,477 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:04:56,478 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:04:56,480 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:04:56,480 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:04:56,481 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:04:56,482 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:04:56,482 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:04:56,484 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:04:56,485 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:04:56,486 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_673e1a58-9052-45e3-b200-0447daa05e80/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:04:56,512 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:04:56,512 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:04:56,513 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:04:56,514 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:04:56,515 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:04:56,515 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:04:56,516 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:04:56,516 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:04:56,516 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:04:56,517 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:04:56,517 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:04:56,518 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:04:56,518 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:04:56,518 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:04:56,519 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:04:56,519 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:04:56,520 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:04:56,520 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:04:56,520 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:04:56,521 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:04:56,521 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:04:56,522 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:04:56,522 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:04:56,522 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:04:56,523 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:04:56,523 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:04:56,523 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:04:56,524 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:04:56,524 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_673e1a58-9052-45e3-b200-0447daa05e80/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_673e1a58-9052-45e3-b200-0447daa05e80/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a476129b1600ab93482417c4ebe15d373b743970a04c4bdd8ca1478cbccf2de7 [2021-11-23 15:04:56,802 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:04:56,823 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:04:56,826 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:04:56,827 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:04:56,828 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:04:56,830 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_673e1a58-9052-45e3-b200-0447daa05e80/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/seq-mthreaded/pals_floodmax.4_overflow.ufo.UNBOUNDED.pals.c [2021-11-23 15:04:56,902 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_673e1a58-9052-45e3-b200-0447daa05e80/bin/ukojak-CwSLpZB5Qu/data/f49bd8ebe/cd2b953f2e3149fba18ec7268fd26bef/FLAG7b008ff0c [2021-11-23 15:04:57,418 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:04:57,419 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_673e1a58-9052-45e3-b200-0447daa05e80/sv-benchmarks/c/seq-mthreaded/pals_floodmax.4_overflow.ufo.UNBOUNDED.pals.c [2021-11-23 15:04:57,433 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_673e1a58-9052-45e3-b200-0447daa05e80/bin/ukojak-CwSLpZB5Qu/data/f49bd8ebe/cd2b953f2e3149fba18ec7268fd26bef/FLAG7b008ff0c [2021-11-23 15:04:57,715 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_673e1a58-9052-45e3-b200-0447daa05e80/bin/ukojak-CwSLpZB5Qu/data/f49bd8ebe/cd2b953f2e3149fba18ec7268fd26bef [2021-11-23 15:04:57,717 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:04:57,719 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:04:57,726 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:04:57,726 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:04:57,729 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:04:57,730 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:04:57" (1/1) ... [2021-11-23 15:04:57,731 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7bc82f3a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:57, skipping insertion in model container [2021-11-23 15:04:57,731 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:04:57" (1/1) ... [2021-11-23 15:04:57,737 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:04:57,791 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:04:58,194 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_673e1a58-9052-45e3-b200-0447daa05e80/sv-benchmarks/c/seq-mthreaded/pals_floodmax.4_overflow.ufo.UNBOUNDED.pals.c[28307,28320] [2021-11-23 15:04:58,197 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:04:58,208 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:04:58,294 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_673e1a58-9052-45e3-b200-0447daa05e80/sv-benchmarks/c/seq-mthreaded/pals_floodmax.4_overflow.ufo.UNBOUNDED.pals.c[28307,28320] [2021-11-23 15:04:58,303 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:04:58,320 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:04:58,324 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:58 WrapperNode [2021-11-23 15:04:58,325 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:04:58,326 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:04:58,328 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:04:58,328 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:04:58,336 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:58" (1/1) ... [2021-11-23 15:04:58,362 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:58" (1/1) ... [2021-11-23 15:04:58,443 INFO L137 Inliner]: procedures = 24, calls = 15, calls flagged for inlining = 10, calls inlined = 10, statements flattened = 944 [2021-11-23 15:04:58,452 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:04:58,453 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:04:58,453 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:04:58,453 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:04:58,462 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:58" (1/1) ... [2021-11-23 15:04:58,462 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:58" (1/1) ... [2021-11-23 15:04:58,471 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:58" (1/1) ... [2021-11-23 15:04:58,471 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:58" (1/1) ... [2021-11-23 15:04:58,510 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:58" (1/1) ... [2021-11-23 15:04:58,539 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:58" (1/1) ... [2021-11-23 15:04:58,543 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:58" (1/1) ... [2021-11-23 15:04:58,554 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:04:58,561 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:04:58,561 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:04:58,561 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:04:58,563 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:58" (1/1) ... [2021-11-23 15:04:58,570 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:04:58,584 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_673e1a58-9052-45e3-b200-0447daa05e80/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:04:58,603 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_673e1a58-9052-45e3-b200-0447daa05e80/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:04:58,616 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_673e1a58-9052-45e3-b200-0447daa05e80/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:04:58,646 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:04:58,647 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:04:58,647 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:04:58,647 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:04:58,770 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:04:58,772 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:04:59,838 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:04:59,926 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 15:04:59,931 INFO L158 Benchmark]: Toolchain (without parser) took 2211.13ms. Allocated memory was 94.4MB in the beginning and 130.0MB in the end (delta: 35.7MB). Free memory was 60.2MB in the beginning and 84.7MB in the end (delta: -24.5MB). Peak memory consumption was 54.7MB. Max. memory is 16.1GB. [2021-11-23 15:04:59,932 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 94.4MB. Free memory was 64.3MB in the beginning and 64.2MB in the end (delta: 25.3kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:04:59,933 INFO L158 Benchmark]: CACSL2BoogieTranslator took 599.52ms. Allocated memory was 94.4MB in the beginning and 130.0MB in the end (delta: 35.7MB). Free memory was 60.2MB in the beginning and 94.6MB in the end (delta: -34.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 15:04:59,934 INFO L158 Benchmark]: Boogie Procedure Inliner took 126.11ms. Allocated memory is still 130.0MB. Free memory was 94.6MB in the beginning and 90.3MB in the end (delta: 4.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 15:04:59,935 INFO L158 Benchmark]: Boogie Preprocessor took 107.49ms. Allocated memory is still 130.0MB. Free memory was 90.3MB in the beginning and 86.3MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 15:04:59,936 INFO L158 Benchmark]: RCFGBuilder took 1367.97ms. Allocated memory is still 130.0MB. Free memory was 86.3MB in the beginning and 84.7MB in the end (delta: 1.5MB). Peak memory consumption was 48.6MB. Max. memory is 16.1GB. [2021-11-23 15:04:59,940 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 94.4MB. Free memory was 64.3MB in the beginning and 64.2MB in the end (delta: 25.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 599.52ms. Allocated memory was 94.4MB in the beginning and 130.0MB in the end (delta: 35.7MB). Free memory was 60.2MB in the beginning and 94.6MB in the end (delta: -34.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 126.11ms. Allocated memory is still 130.0MB. Free memory was 94.6MB in the beginning and 90.3MB in the end (delta: 4.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 107.49ms. Allocated memory is still 130.0MB. Free memory was 90.3MB in the beginning and 86.3MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1367.97ms. Allocated memory is still 130.0MB. Free memory was 86.3MB in the beginning and 84.7MB in the end (delta: 1.5MB). Peak memory consumption was 48.6MB. 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 15:04:59,985 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_673e1a58-9052-45e3-b200-0447daa05e80/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_673e1a58-9052-45e3-b200-0447daa05e80/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_673e1a58-9052-45e3-b200-0447daa05e80/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_673e1a58-9052-45e3-b200-0447daa05e80/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_673e1a58-9052-45e3-b200-0447daa05e80/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/seq-mthreaded/pals_floodmax.4_overflow.ufo.UNBOUNDED.pals.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_673e1a58-9052-45e3-b200-0447daa05e80/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_673e1a58-9052-45e3-b200-0447daa05e80/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 a476129b1600ab93482417c4ebe15d373b743970a04c4bdd8ca1478cbccf2de7 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:05:02,430 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:05:02,442 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:05:02,476 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:05:02,477 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:05:02,478 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:05:02,480 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:05:02,483 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:05:02,485 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:05:02,486 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:05:02,487 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:05:02,489 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:05:02,490 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:05:02,491 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:05:02,493 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:05:02,494 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:05:02,496 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:05:02,497 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:05:02,500 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:05:02,502 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:05:02,505 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:05:02,506 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:05:02,508 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:05:02,509 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:05:02,514 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:05:02,514 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:05:02,515 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:05:02,516 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:05:02,517 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:05:02,518 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:05:02,519 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:05:02,520 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:05:02,521 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:05:02,522 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:05:02,523 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:05:02,523 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:05:02,524 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:05:02,525 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:05:02,525 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:05:02,526 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:05:02,527 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:05:02,528 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_673e1a58-9052-45e3-b200-0447daa05e80/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 15:05:02,556 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:05:02,557 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:05:02,558 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:05:02,558 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:05:02,559 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:05:02,559 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:05:02,560 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:05:02,560 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:05:02,560 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:05:02,560 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:05:02,561 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:05:02,561 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:05:02,561 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:05:02,562 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:05:02,562 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:05:02,562 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:05:02,562 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:05:02,563 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:05:02,563 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:05:02,563 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:05:02,563 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:05:02,564 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:05:02,564 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:05:02,564 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:05:02,565 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:05:02,565 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:05:02,565 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:05:02,566 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:05:02,566 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:05:02,566 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:05:02,566 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:05:02,567 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:05:02,567 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_673e1a58-9052-45e3-b200-0447daa05e80/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_673e1a58-9052-45e3-b200-0447daa05e80/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a476129b1600ab93482417c4ebe15d373b743970a04c4bdd8ca1478cbccf2de7 [2021-11-23 15:05:02,928 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:05:02,950 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:05:02,953 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:05:02,954 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:05:02,955 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:05:02,956 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_673e1a58-9052-45e3-b200-0447daa05e80/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/seq-mthreaded/pals_floodmax.4_overflow.ufo.UNBOUNDED.pals.c [2021-11-23 15:05:03,023 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_673e1a58-9052-45e3-b200-0447daa05e80/bin/ukojak-CwSLpZB5Qu/data/8ea8cae3d/18e75b19a04f46b7a2c7851a3c067d79/FLAG3f9cc3fc0 [2021-11-23 15:05:03,569 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:05:03,569 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_673e1a58-9052-45e3-b200-0447daa05e80/sv-benchmarks/c/seq-mthreaded/pals_floodmax.4_overflow.ufo.UNBOUNDED.pals.c [2021-11-23 15:05:03,594 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_673e1a58-9052-45e3-b200-0447daa05e80/bin/ukojak-CwSLpZB5Qu/data/8ea8cae3d/18e75b19a04f46b7a2c7851a3c067d79/FLAG3f9cc3fc0 [2021-11-23 15:05:03,865 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_673e1a58-9052-45e3-b200-0447daa05e80/bin/ukojak-CwSLpZB5Qu/data/8ea8cae3d/18e75b19a04f46b7a2c7851a3c067d79 [2021-11-23 15:05:03,867 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:05:03,869 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:05:03,875 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:05:03,875 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:05:03,878 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:05:03,879 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:05:03" (1/1) ... [2021-11-23 15:05:03,881 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ab39848 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:03, skipping insertion in model container [2021-11-23 15:05:03,882 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:05:03" (1/1) ... [2021-11-23 15:05:03,890 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:05:03,950 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:05:04,317 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_673e1a58-9052-45e3-b200-0447daa05e80/sv-benchmarks/c/seq-mthreaded/pals_floodmax.4_overflow.ufo.UNBOUNDED.pals.c[28307,28320] [2021-11-23 15:05:04,320 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:05:04,346 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:05:04,515 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_673e1a58-9052-45e3-b200-0447daa05e80/sv-benchmarks/c/seq-mthreaded/pals_floodmax.4_overflow.ufo.UNBOUNDED.pals.c[28307,28320] [2021-11-23 15:05:04,516 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:05:04,537 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:05:04,538 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:04 WrapperNode [2021-11-23 15:05:04,538 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:05:04,539 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:05:04,539 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:05:04,540 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:05:04,548 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 15:05:04,580 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 15:05:04,656 INFO L137 Inliner]: procedures = 24, calls = 15, calls flagged for inlining = 10, calls inlined = 10, statements flattened = 922 [2021-11-23 15:05:04,656 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:05:04,673 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:05:04,673 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:05:04,674 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:05:04,683 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 15:05:04,683 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 15:05:04,697 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 15:05:04,697 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 15:05:04,724 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 15:05:04,740 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 15:05:04,744 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 15:05:04,751 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:05:04,752 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:05:04,753 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:05:04,753 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:05:04,754 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 15:05:04,761 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:05:04,775 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_673e1a58-9052-45e3-b200-0447daa05e80/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:05:04,790 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_673e1a58-9052-45e3-b200-0447daa05e80/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:05:04,795 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_673e1a58-9052-45e3-b200-0447daa05e80/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:05:04,831 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:05:04,831 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:05:04,831 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:05:04,831 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:05:05,012 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:05:05,014 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:05:06,082 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:05:06,141 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.addBranchEncoders(TransFormulaBuilder.java:170) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.parallelComposition(TransFormulaUtils.java:337) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.ParallelComposition.(ParallelComposition.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CodeBlockFactory.constructParallelComposition(CodeBlockFactory.java:109) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.composeParallel(CfgBuilder.java:1792) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.(CfgBuilder.java:1653) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:280) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 15:05:06,154 INFO L158 Benchmark]: Toolchain (without parser) took 2283.28ms. Allocated memory was 54.5MB in the beginning and 94.4MB in the end (delta: 39.8MB). Free memory was 31.5MB in the beginning and 71.0MB in the end (delta: -39.5MB). Peak memory consumption was 21.1MB. Max. memory is 16.1GB. [2021-11-23 15:05:06,155 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 54.5MB. Free memory is still 35.7MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:05:06,157 INFO L158 Benchmark]: CACSL2BoogieTranslator took 663.80ms. Allocated memory was 54.5MB in the beginning and 69.2MB in the end (delta: 14.7MB). Free memory was 31.3MB in the beginning and 40.3MB in the end (delta: -9.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 15:05:06,158 INFO L158 Benchmark]: Boogie Procedure Inliner took 117.04ms. Allocated memory is still 69.2MB. Free memory was 40.1MB in the beginning and 35.8MB in the end (delta: 4.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-23 15:05:06,159 INFO L158 Benchmark]: Boogie Preprocessor took 78.45ms. Allocated memory is still 69.2MB. Free memory was 35.8MB in the beginning and 48.3MB in the end (delta: -12.5MB). Peak memory consumption was 6.5MB. Max. memory is 16.1GB. [2021-11-23 15:05:06,160 INFO L158 Benchmark]: RCFGBuilder took 1398.73ms. Allocated memory was 69.2MB in the beginning and 94.4MB in the end (delta: 25.2MB). Free memory was 48.3MB in the beginning and 71.0MB in the end (delta: -22.7MB). Peak memory consumption was 23.5MB. Max. memory is 16.1GB. [2021-11-23 15:05:06,171 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 54.5MB. Free memory is still 35.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 663.80ms. Allocated memory was 54.5MB in the beginning and 69.2MB in the end (delta: 14.7MB). Free memory was 31.3MB in the beginning and 40.3MB in the end (delta: -9.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 117.04ms. Allocated memory is still 69.2MB. Free memory was 40.1MB in the beginning and 35.8MB in the end (delta: 4.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 78.45ms. Allocated memory is still 69.2MB. Free memory was 35.8MB in the beginning and 48.3MB in the end (delta: -12.5MB). Peak memory consumption was 6.5MB. Max. memory is 16.1GB. * RCFGBuilder took 1398.73ms. Allocated memory was 69.2MB in the beginning and 94.4MB in the end (delta: 25.2MB). Free memory was 48.3MB in the beginning and 71.0MB in the end (delta: -22.7MB). Peak memory consumption was 23.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 15:05:06,218 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_673e1a58-9052-45e3-b200-0447daa05e80/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