./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/busybox-1.22.0/dirname-1.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 6a47aea7 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dc2b7e7-a01a-412b-9c86-a53d63e90d5f/bin/utaipan-fb15Y9Yzbl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dc2b7e7-a01a-412b-9c86-a53d63e90d5f/bin/utaipan-fb15Y9Yzbl/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dc2b7e7-a01a-412b-9c86-a53d63e90d5f/bin/utaipan-fb15Y9Yzbl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dc2b7e7-a01a-412b-9c86-a53d63e90d5f/bin/utaipan-fb15Y9Yzbl/config/TaipanReach.xml -i ../../sv-benchmarks/c/busybox-1.22.0/dirname-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dc2b7e7-a01a-412b-9c86-a53d63e90d5f/bin/utaipan-fb15Y9Yzbl/config/svcomp-Overflow-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dc2b7e7-a01a-412b-9c86-a53d63e90d5f/bin/utaipan-fb15Y9Yzbl --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 90eaf2e76e590922119d90e478fc764e383193134f46d6fe59bc98f3ce7c6611 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 17:16:27,316 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 17:16:27,319 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 17:16:27,383 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 17:16:27,383 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 17:16:27,389 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 17:16:27,391 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 17:16:27,396 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 17:16:27,399 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 17:16:27,407 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 17:16:27,409 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 17:16:27,411 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 17:16:27,411 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 17:16:27,415 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 17:16:27,418 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 17:16:27,424 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 17:16:27,427 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 17:16:27,428 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 17:16:27,431 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 17:16:27,442 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 17:16:27,444 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 17:16:27,445 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 17:16:27,449 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 17:16:27,450 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 17:16:27,454 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 17:16:27,454 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 17:16:27,455 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 17:16:27,457 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 17:16:27,458 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 17:16:27,459 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 17:16:27,460 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 17:16:27,461 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 17:16:27,463 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 17:16:27,464 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 17:16:27,466 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 17:16:27,466 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 17:16:27,467 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 17:16:27,467 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 17:16:27,467 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 17:16:27,468 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 17:16:27,469 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 17:16:27,470 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dc2b7e7-a01a-412b-9c86-a53d63e90d5f/bin/utaipan-fb15Y9Yzbl/config/svcomp-Overflow-64bit-Taipan_Default.epf [2021-11-23 17:16:27,520 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 17:16:27,521 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 17:16:27,521 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 17:16:27,522 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 17:16:27,523 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 17:16:27,523 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 17:16:27,523 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 17:16:27,524 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 17:16:27,524 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 17:16:27,524 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-23 17:16:27,525 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 17:16:27,526 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 17:16:27,526 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-23 17:16:27,526 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-23 17:16:27,527 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 17:16:27,527 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-23 17:16:27,527 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-23 17:16:27,527 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-23 17:16:27,529 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 17:16:27,529 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 17:16:27,529 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 17:16:27,530 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 17:16:27,530 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 17:16:27,530 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 17:16:27,530 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 17:16:27,531 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-11-23 17:16:27,533 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 17:16:27,533 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 17:16:27,533 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 17:16:27,534 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 17:16:27,534 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 17:16:27,534 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:16:27,535 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 17:16:27,535 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 17:16:27,535 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 17:16:27,535 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-23 17:16:27,535 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 17:16:27,536 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 17:16:27,536 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 17:16:27,536 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 17:16:27,537 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_4dc2b7e7-a01a-412b-9c86-a53d63e90d5f/bin/utaipan-fb15Y9Yzbl/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dc2b7e7-a01a-412b-9c86-a53d63e90d5f/bin/utaipan-fb15Y9Yzbl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 90eaf2e76e590922119d90e478fc764e383193134f46d6fe59bc98f3ce7c6611 [2021-11-23 17:16:27,803 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 17:16:27,830 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 17:16:27,832 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 17:16:27,834 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 17:16:27,834 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 17:16:27,836 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dc2b7e7-a01a-412b-9c86-a53d63e90d5f/bin/utaipan-fb15Y9Yzbl/../../sv-benchmarks/c/busybox-1.22.0/dirname-1.i [2021-11-23 17:16:27,935 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dc2b7e7-a01a-412b-9c86-a53d63e90d5f/bin/utaipan-fb15Y9Yzbl/data/9ed9e4bab/1151ca19f8fc42a4908e17d5fda47b31/FLAG53160faea [2021-11-23 17:16:28,687 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 17:16:28,688 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dc2b7e7-a01a-412b-9c86-a53d63e90d5f/sv-benchmarks/c/busybox-1.22.0/dirname-1.i [2021-11-23 17:16:28,713 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dc2b7e7-a01a-412b-9c86-a53d63e90d5f/bin/utaipan-fb15Y9Yzbl/data/9ed9e4bab/1151ca19f8fc42a4908e17d5fda47b31/FLAG53160faea [2021-11-23 17:16:28,895 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dc2b7e7-a01a-412b-9c86-a53d63e90d5f/bin/utaipan-fb15Y9Yzbl/data/9ed9e4bab/1151ca19f8fc42a4908e17d5fda47b31 [2021-11-23 17:16:28,898 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 17:16:28,900 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 17:16:28,903 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 17:16:28,903 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 17:16:28,908 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 17:16:28,909 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:16:28" (1/1) ... [2021-11-23 17:16:28,911 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e61370f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:16:28, skipping insertion in model container [2021-11-23 17:16:28,911 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:16:28" (1/1) ... [2021-11-23 17:16:28,921 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 17:16:28,996 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 17:16:29,871 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:16:29,901 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 17:16:30,018 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:16:30,095 INFO L208 MainTranslator]: Completed translation [2021-11-23 17:16:30,096 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:16:30 WrapperNode [2021-11-23 17:16:30,096 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 17:16:30,097 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 17:16:30,097 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 17:16:30,097 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 17:16:30,104 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:16:30" (1/1) ... [2021-11-23 17:16:30,167 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:16:30" (1/1) ... [2021-11-23 17:16:30,231 INFO L137 Inliner]: procedures = 345, calls = 111, calls flagged for inlining = 8, calls inlined = 7, statements flattened = 279 [2021-11-23 17:16:30,232 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 17:16:30,233 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 17:16:30,233 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 17:16:30,233 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 17:16:30,242 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:16:30" (1/1) ... [2021-11-23 17:16:30,242 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:16:30" (1/1) ... [2021-11-23 17:16:30,248 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:16:30" (1/1) ... [2021-11-23 17:16:30,248 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:16:30" (1/1) ... [2021-11-23 17:16:30,262 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:16:30" (1/1) ... [2021-11-23 17:16:30,267 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:16:30" (1/1) ... [2021-11-23 17:16:30,269 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:16:30" (1/1) ... [2021-11-23 17:16:30,274 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 17:16:30,275 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 17:16:30,275 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 17:16:30,275 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 17:16:30,276 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:16:30" (1/1) ... [2021-11-23 17:16:30,285 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:16:30,297 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dc2b7e7-a01a-412b-9c86-a53d63e90d5f/bin/utaipan-fb15Y9Yzbl/z3 [2021-11-23 17:16:30,312 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dc2b7e7-a01a-412b-9c86-a53d63e90d5f/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 17:16:30,333 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dc2b7e7-a01a-412b-9c86-a53d63e90d5f/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 17:16:30,366 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-23 17:16:30,366 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-23 17:16:30,366 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 17:16:30,366 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 17:16:30,366 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 17:16:30,367 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 17:16:30,367 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2021-11-23 17:16:30,367 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 17:16:30,367 INFO L130 BoogieDeclarations]: Found specification of procedure fflush [2021-11-23 17:16:30,367 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 17:16:30,367 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 17:16:30,367 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 17:16:30,368 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 17:16:30,368 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 17:16:30,528 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 17:16:30,530 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 17:16:31,017 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 17:16:31,054 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$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 17:16:31,059 INFO L158 Benchmark]: Toolchain (without parser) took 2157.39ms. Allocated memory is still 96.5MB. Free memory was 73.8MB in the beginning and 46.1MB in the end (delta: 27.7MB). Peak memory consumption was 28.2MB. Max. memory is 16.1GB. [2021-11-23 17:16:31,060 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 79.7MB. Free memory is still 59.8MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 17:16:31,061 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1193.68ms. Allocated memory is still 96.5MB. Free memory was 73.8MB in the beginning and 41.5MB in the end (delta: 32.3MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2021-11-23 17:16:31,062 INFO L158 Benchmark]: Boogie Procedure Inliner took 135.29ms. Allocated memory is still 96.5MB. Free memory was 41.5MB in the beginning and 71.3MB in the end (delta: -29.7MB). Peak memory consumption was 6.5MB. Max. memory is 16.1GB. [2021-11-23 17:16:31,063 INFO L158 Benchmark]: Boogie Preprocessor took 41.46ms. Allocated memory is still 96.5MB. Free memory was 71.3MB in the beginning and 69.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 17:16:31,064 INFO L158 Benchmark]: RCFGBuilder took 782.00ms. Allocated memory is still 96.5MB. Free memory was 68.8MB in the beginning and 46.1MB in the end (delta: 22.7MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2021-11-23 17:16:31,069 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 79.7MB. Free memory is still 59.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1193.68ms. Allocated memory is still 96.5MB. Free memory was 73.8MB in the beginning and 41.5MB in the end (delta: 32.3MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 135.29ms. Allocated memory is still 96.5MB. Free memory was 41.5MB in the beginning and 71.3MB in the end (delta: -29.7MB). Peak memory consumption was 6.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 41.46ms. Allocated memory is still 96.5MB. Free memory was 71.3MB in the beginning and 69.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 782.00ms. Allocated memory is still 96.5MB. Free memory was 68.8MB in the beginning and 46.1MB in the end (delta: 22.7MB). Peak memory consumption was 23.1MB. 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 17:16:31,133 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dc2b7e7-a01a-412b-9c86-a53d63e90d5f/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis No suitable file found in config dir /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dc2b7e7-a01a-412b-9c86-a53d63e90d5f/bin/utaipan-fb15Y9Yzbl/config using search string *Overflow*64bit*_Bitvector*.epf No suitable settings file found using Overflow*64bit*_Bitvector ERROR: UNSUPPORTED PROPERTY Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable