./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-lopstr16/motivex.i --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_90844cfc-dde4-45cd-8eeb-ff8f961b1688/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90844cfc-dde4-45cd-8eeb-ff8f961b1688/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_90844cfc-dde4-45cd-8eeb-ff8f961b1688/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90844cfc-dde4-45cd-8eeb-ff8f961b1688/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/array-lopstr16/motivex.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90844cfc-dde4-45cd-8eeb-ff8f961b1688/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_90844cfc-dde4-45cd-8eeb-ff8f961b1688/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 849df4b411c63057254dcf3e90c1516f0bf7c8598b238d4e2298c0311f6d39f4 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:39:39,232 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:39:39,235 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:39:39,317 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:39:39,318 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:39:39,322 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:39:39,325 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:39:39,329 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:39:39,333 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:39:39,339 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:39:39,340 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:39:39,342 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:39:39,343 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:39:39,346 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:39:39,348 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:39:39,351 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:39:39,353 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:39:39,354 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:39:39,362 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:39:39,374 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:39:39,379 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:39:39,381 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:39:39,384 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:39:39,386 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:39:39,395 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:39:39,398 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:39:39,399 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:39:39,401 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:39:39,402 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:39:39,404 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:39:39,405 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:39:39,406 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:39:39,408 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:39:39,409 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:39:39,411 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:39:39,411 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:39:39,412 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:39:39,412 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:39:39,413 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:39:39,414 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:39:39,415 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:39:39,416 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90844cfc-dde4-45cd-8eeb-ff8f961b1688/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:39:39,458 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:39:39,459 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:39:39,461 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:39:39,461 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:39:39,463 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:39:39,463 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:39:39,463 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:39:39,463 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:39:39,464 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:39:39,464 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:39:39,465 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:39:39,471 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:39:39,471 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:39:39,472 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:39:39,472 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:39:39,472 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:39:39,472 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:39:39,473 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:39:39,473 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:39:39,473 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:39:39,473 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:39:39,474 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:39:39,474 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:39:39,474 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:39:39,474 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:39:39,475 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:39:39,475 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:39:39,475 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:39:39,475 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_90844cfc-dde4-45cd-8eeb-ff8f961b1688/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90844cfc-dde4-45cd-8eeb-ff8f961b1688/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 849df4b411c63057254dcf3e90c1516f0bf7c8598b238d4e2298c0311f6d39f4 [2021-11-23 15:39:39,788 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:39:39,816 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:39:39,819 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:39:39,820 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:39:39,821 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:39:39,823 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90844cfc-dde4-45cd-8eeb-ff8f961b1688/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/array-lopstr16/motivex.i [2021-11-23 15:39:39,911 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90844cfc-dde4-45cd-8eeb-ff8f961b1688/bin/ukojak-CwSLpZB5Qu/data/e41094a5d/25639db4580643e8be8b85f62f354643/FLAG2c608d68d [2021-11-23 15:39:40,376 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:39:40,377 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90844cfc-dde4-45cd-8eeb-ff8f961b1688/sv-benchmarks/c/array-lopstr16/motivex.i [2021-11-23 15:39:40,389 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90844cfc-dde4-45cd-8eeb-ff8f961b1688/bin/ukojak-CwSLpZB5Qu/data/e41094a5d/25639db4580643e8be8b85f62f354643/FLAG2c608d68d [2021-11-23 15:39:40,745 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90844cfc-dde4-45cd-8eeb-ff8f961b1688/bin/ukojak-CwSLpZB5Qu/data/e41094a5d/25639db4580643e8be8b85f62f354643 [2021-11-23 15:39:40,747 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:39:40,748 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:39:40,750 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:39:40,750 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:39:40,754 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:39:40,755 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:39:40" (1/1) ... [2021-11-23 15:39:40,756 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9f6dc42 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:39:40, skipping insertion in model container [2021-11-23 15:39:40,756 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:39:40" (1/1) ... [2021-11-23 15:39:40,763 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:39:40,777 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:39:40,937 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_90844cfc-dde4-45cd-8eeb-ff8f961b1688/sv-benchmarks/c/array-lopstr16/motivex.i[800,813] [2021-11-23 15:39:40,960 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:39:41,284 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:39:41,297 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_90844cfc-dde4-45cd-8eeb-ff8f961b1688/sv-benchmarks/c/array-lopstr16/motivex.i[800,813] [2021-11-23 15:39:41,313 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:39:41,331 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:39:41,332 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:39:41 WrapperNode [2021-11-23 15:39:41,332 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:39:41,333 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:39:41,333 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:39:41,335 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:39:41,343 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:39:41" (1/1) ... [2021-11-23 15:39:41,360 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:39:41" (1/1) ... [2021-11-23 15:39:41,388 INFO L137 Inliner]: procedures = 15, calls = 17, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 71 [2021-11-23 15:39:41,388 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:39:41,389 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:39:41,389 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:39:41,389 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:39:41,398 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:39:41" (1/1) ... [2021-11-23 15:39:41,398 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:39:41" (1/1) ... [2021-11-23 15:39:41,404 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:39:41" (1/1) ... [2021-11-23 15:39:41,404 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:39:41" (1/1) ... [2021-11-23 15:39:41,419 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:39:41" (1/1) ... [2021-11-23 15:39:41,422 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:39:41" (1/1) ... [2021-11-23 15:39:41,423 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:39:41" (1/1) ... [2021-11-23 15:39:41,425 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:39:41,426 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:39:41,426 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:39:41,426 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:39:41,433 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:39:41" (1/1) ... [2021-11-23 15:39:41,440 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:39:41,451 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90844cfc-dde4-45cd-8eeb-ff8f961b1688/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:39:41,469 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90844cfc-dde4-45cd-8eeb-ff8f961b1688/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:39:41,499 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90844cfc-dde4-45cd-8eeb-ff8f961b1688/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:39:41,527 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:39:41,527 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:39:41,527 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 15:39:41,528 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:39:41,528 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:39:41,528 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 15:39:41,608 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:39:41,610 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:39:41,751 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:39:41,772 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 15:39:41,777 INFO L158 Benchmark]: Toolchain (without parser) took 1027.61ms. Allocated memory was 94.4MB in the beginning and 121.6MB in the end (delta: 27.3MB). Free memory was 66.4MB in the beginning and 64.5MB in the end (delta: 1.9MB). Peak memory consumption was 30.2MB. Max. memory is 16.1GB. [2021-11-23 15:39:41,778 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 94.4MB. Free memory was 50.8MB in the beginning and 50.8MB in the end (delta: 48.3kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:39:41,780 INFO L158 Benchmark]: CACSL2BoogieTranslator took 582.27ms. Allocated memory was 94.4MB in the beginning and 121.6MB in the end (delta: 27.3MB). Free memory was 66.2MB in the beginning and 78.1MB in the end (delta: -11.9MB). Peak memory consumption was 44.9MB. Max. memory is 16.1GB. [2021-11-23 15:39:41,781 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.25ms. Allocated memory is still 121.6MB. Free memory was 78.1MB in the beginning and 76.6MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:39:41,782 INFO L158 Benchmark]: Boogie Preprocessor took 36.01ms. Allocated memory is still 121.6MB. Free memory was 76.6MB in the beginning and 75.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:39:41,783 INFO L158 Benchmark]: RCFGBuilder took 349.56ms. Allocated memory is still 121.6MB. Free memory was 75.0MB in the beginning and 64.5MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 15:39:41,787 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 94.4MB. Free memory was 50.8MB in the beginning and 50.8MB in the end (delta: 48.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 582.27ms. Allocated memory was 94.4MB in the beginning and 121.6MB in the end (delta: 27.3MB). Free memory was 66.2MB in the beginning and 78.1MB in the end (delta: -11.9MB). Peak memory consumption was 44.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 55.25ms. Allocated memory is still 121.6MB. Free memory was 78.1MB in the beginning and 76.6MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 36.01ms. Allocated memory is still 121.6MB. Free memory was 76.6MB in the beginning and 75.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 349.56ms. Allocated memory is still 121.6MB. Free memory was 75.0MB in the beginning and 64.5MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. 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 15:39:41,839 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90844cfc-dde4-45cd-8eeb-ff8f961b1688/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_90844cfc-dde4-45cd-8eeb-ff8f961b1688/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90844cfc-dde4-45cd-8eeb-ff8f961b1688/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_90844cfc-dde4-45cd-8eeb-ff8f961b1688/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90844cfc-dde4-45cd-8eeb-ff8f961b1688/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/array-lopstr16/motivex.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90844cfc-dde4-45cd-8eeb-ff8f961b1688/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_90844cfc-dde4-45cd-8eeb-ff8f961b1688/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 849df4b411c63057254dcf3e90c1516f0bf7c8598b238d4e2298c0311f6d39f4 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:39:44,188 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:39:44,191 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:39:44,222 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:39:44,223 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:39:44,224 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:39:44,226 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:39:44,228 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:39:44,230 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:39:44,232 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:39:44,233 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:39:44,234 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:39:44,235 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:39:44,236 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:39:44,238 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:39:44,239 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:39:44,240 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:39:44,241 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:39:44,243 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:39:44,246 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:39:44,248 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:39:44,249 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:39:44,250 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:39:44,251 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:39:44,255 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:39:44,256 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:39:44,256 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:39:44,257 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:39:44,258 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:39:44,259 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:39:44,259 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:39:44,260 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:39:44,261 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:39:44,262 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:39:44,263 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:39:44,263 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:39:44,264 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:39:44,265 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:39:44,265 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:39:44,266 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:39:44,267 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:39:44,268 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90844cfc-dde4-45cd-8eeb-ff8f961b1688/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 15:39:44,313 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:39:44,313 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:39:44,314 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:39:44,315 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:39:44,316 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:39:44,316 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:39:44,317 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:39:44,317 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:39:44,317 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:39:44,318 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:39:44,318 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:39:44,318 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:39:44,319 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:39:44,319 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:39:44,322 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:39:44,323 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:39:44,323 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:39:44,324 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:39:44,324 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:39:44,324 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:39:44,324 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:39:44,324 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:39:44,325 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:39:44,325 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:39:44,325 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:39:44,326 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:39:44,326 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:39:44,326 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:39:44,327 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:39:44,327 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:39:44,327 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:39:44,327 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:39:44,328 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_90844cfc-dde4-45cd-8eeb-ff8f961b1688/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90844cfc-dde4-45cd-8eeb-ff8f961b1688/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 849df4b411c63057254dcf3e90c1516f0bf7c8598b238d4e2298c0311f6d39f4 [2021-11-23 15:39:44,766 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:39:44,796 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:39:44,799 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:39:44,802 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:39:44,803 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:39:44,805 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90844cfc-dde4-45cd-8eeb-ff8f961b1688/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/array-lopstr16/motivex.i [2021-11-23 15:39:44,881 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90844cfc-dde4-45cd-8eeb-ff8f961b1688/bin/ukojak-CwSLpZB5Qu/data/520689242/547b66d0e8074c8c87069876a1bdb22a/FLAGead727f8c [2021-11-23 15:39:45,349 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:39:45,351 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90844cfc-dde4-45cd-8eeb-ff8f961b1688/sv-benchmarks/c/array-lopstr16/motivex.i [2021-11-23 15:39:45,358 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90844cfc-dde4-45cd-8eeb-ff8f961b1688/bin/ukojak-CwSLpZB5Qu/data/520689242/547b66d0e8074c8c87069876a1bdb22a/FLAGead727f8c [2021-11-23 15:39:45,742 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90844cfc-dde4-45cd-8eeb-ff8f961b1688/bin/ukojak-CwSLpZB5Qu/data/520689242/547b66d0e8074c8c87069876a1bdb22a [2021-11-23 15:39:45,745 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:39:45,750 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:39:45,752 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:39:45,752 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:39:45,756 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:39:45,758 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:39:45" (1/1) ... [2021-11-23 15:39:45,759 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f914803 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:39:45, skipping insertion in model container [2021-11-23 15:39:45,759 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:39:45" (1/1) ... [2021-11-23 15:39:45,767 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:39:45,784 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:39:45,969 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_90844cfc-dde4-45cd-8eeb-ff8f961b1688/sv-benchmarks/c/array-lopstr16/motivex.i[800,813] [2021-11-23 15:39:45,993 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:39:46,445 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:39:46,460 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_90844cfc-dde4-45cd-8eeb-ff8f961b1688/sv-benchmarks/c/array-lopstr16/motivex.i[800,813] [2021-11-23 15:39:46,477 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:39:46,493 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:39:46,493 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:39:46 WrapperNode [2021-11-23 15:39:46,494 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:39:46,496 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:39:46,496 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:39:46,497 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:39:46,504 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:39:46" (1/1) ... [2021-11-23 15:39:46,524 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:39:46" (1/1) ... [2021-11-23 15:39:46,544 INFO L137 Inliner]: procedures = 17, calls = 17, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 69 [2021-11-23 15:39:46,555 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:39:46,556 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:39:46,556 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:39:46,557 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:39:46,565 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:39:46" (1/1) ... [2021-11-23 15:39:46,565 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:39:46" (1/1) ... [2021-11-23 15:39:46,568 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:39:46" (1/1) ... [2021-11-23 15:39:46,568 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:39:46" (1/1) ... [2021-11-23 15:39:46,574 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:39:46" (1/1) ... [2021-11-23 15:39:46,578 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:39:46" (1/1) ... [2021-11-23 15:39:46,579 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:39:46" (1/1) ... [2021-11-23 15:39:46,581 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:39:46,582 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:39:46,583 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:39:46,583 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:39:46,584 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:39:46" (1/1) ... [2021-11-23 15:39:46,590 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:39:46,602 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90844cfc-dde4-45cd-8eeb-ff8f961b1688/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:39:46,614 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90844cfc-dde4-45cd-8eeb-ff8f961b1688/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:39:46,618 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90844cfc-dde4-45cd-8eeb-ff8f961b1688/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:39:46,655 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:39:46,656 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:39:46,656 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-11-23 15:39:46,656 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:39:46,656 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:39:46,656 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2021-11-23 15:39:46,763 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:39:46,765 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:39:46,909 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:39:46,927 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 15:39:46,931 INFO L158 Benchmark]: Toolchain (without parser) took 1179.86ms. Allocated memory was 58.7MB in the beginning and 79.7MB in the end (delta: 21.0MB). Free memory was 37.1MB in the beginning and 30.0MB in the end (delta: 7.1MB). Peak memory consumption was 27.1MB. Max. memory is 16.1GB. [2021-11-23 15:39:46,931 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 58.7MB. Free memory was 40.2MB in the beginning and 40.1MB in the end (delta: 44.5kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:39:46,933 INFO L158 Benchmark]: CACSL2BoogieTranslator took 742.21ms. Allocated memory was 58.7MB in the beginning and 79.7MB in the end (delta: 21.0MB). Free memory was 36.8MB in the beginning and 31.7MB in the end (delta: 5.1MB). Peak memory consumption was 33.1MB. Max. memory is 16.1GB. [2021-11-23 15:39:46,933 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.87ms. Allocated memory is still 79.7MB. Free memory was 31.7MB in the beginning and 42.3MB in the end (delta: -10.6MB). Peak memory consumption was 6.5MB. Max. memory is 16.1GB. [2021-11-23 15:39:46,934 INFO L158 Benchmark]: Boogie Preprocessor took 25.43ms. Allocated memory is still 79.7MB. Free memory was 42.3MB in the beginning and 41.1MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:39:46,935 INFO L158 Benchmark]: RCFGBuilder took 346.33ms. Allocated memory is still 79.7MB. Free memory was 41.1MB in the beginning and 30.0MB in the end (delta: 11.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 15:39:46,940 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 58.7MB. Free memory was 40.2MB in the beginning and 40.1MB in the end (delta: 44.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 742.21ms. Allocated memory was 58.7MB in the beginning and 79.7MB in the end (delta: 21.0MB). Free memory was 36.8MB in the beginning and 31.7MB in the end (delta: 5.1MB). Peak memory consumption was 33.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 59.87ms. Allocated memory is still 79.7MB. Free memory was 31.7MB in the beginning and 42.3MB in the end (delta: -10.6MB). Peak memory consumption was 6.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 25.43ms. Allocated memory is still 79.7MB. Free memory was 42.3MB in the beginning and 41.1MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 346.33ms. Allocated memory is still 79.7MB. Free memory was 41.1MB in the beginning and 30.0MB in the end (delta: 11.1MB). Peak memory consumption was 10.5MB. 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 15:39:46,992 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90844cfc-dde4-45cd-8eeb-ff8f961b1688/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