./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-industry-pattern/nested-3.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_2bead026-1a66-4b4e-81ec-07606bb019a3/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bead026-1a66-4b4e-81ec-07606bb019a3/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_2bead026-1a66-4b4e-81ec-07606bb019a3/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bead026-1a66-4b4e-81ec-07606bb019a3/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-industry-pattern/nested-3.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bead026-1a66-4b4e-81ec-07606bb019a3/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_2bead026-1a66-4b4e-81ec-07606bb019a3/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 13e5ee77a02e52d8ba8ae9f3698472ae34be00d2574eddc823f2c8e804568236 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:54:19,597 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:54:19,600 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:54:19,662 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:54:19,663 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:54:19,669 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:54:19,671 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:54:19,675 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:54:19,678 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:54:19,683 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:54:19,684 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:54:19,686 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:54:19,687 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:54:19,690 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:54:19,692 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:54:19,696 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:54:19,698 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:54:19,699 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:54:19,701 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:54:19,710 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:54:19,712 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:54:19,714 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:54:19,717 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:54:19,718 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:54:19,722 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:54:19,722 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:54:19,723 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:54:19,725 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:54:19,726 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:54:19,727 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:54:19,728 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:54:19,729 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:54:19,731 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:54:19,732 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:54:19,733 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:54:19,734 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:54:19,735 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:54:19,735 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:54:19,735 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:54:19,736 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:54:19,737 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:54:19,738 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bead026-1a66-4b4e-81ec-07606bb019a3/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:54:19,781 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:54:19,781 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:54:19,783 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:54:19,783 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:54:19,784 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:54:19,784 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:54:19,784 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:54:19,785 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:54:19,785 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:54:19,785 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:54:19,786 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:54:19,786 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:54:19,787 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:54:19,787 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:54:19,787 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:54:19,787 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:54:19,788 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:54:19,788 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:54:19,788 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:54:19,788 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:54:19,789 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:54:19,789 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:54:19,789 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:54:19,789 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:54:19,790 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:54:19,790 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:54:19,790 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:54:19,790 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:54:19,791 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_2bead026-1a66-4b4e-81ec-07606bb019a3/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bead026-1a66-4b4e-81ec-07606bb019a3/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 13e5ee77a02e52d8ba8ae9f3698472ae34be00d2574eddc823f2c8e804568236 [2021-11-23 15:54:20,114 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:54:20,135 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:54:20,138 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:54:20,139 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:54:20,140 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:54:20,141 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bead026-1a66-4b4e-81ec-07606bb019a3/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/loop-industry-pattern/nested-3.c [2021-11-23 15:54:20,227 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bead026-1a66-4b4e-81ec-07606bb019a3/bin/ukojak-CwSLpZB5Qu/data/9cb8b7a8e/ac63f483cd3a47b3837f76fd721e386d/FLAG01ebb4154 [2021-11-23 15:54:20,734 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:54:20,734 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bead026-1a66-4b4e-81ec-07606bb019a3/sv-benchmarks/c/loop-industry-pattern/nested-3.c [2021-11-23 15:54:20,747 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bead026-1a66-4b4e-81ec-07606bb019a3/bin/ukojak-CwSLpZB5Qu/data/9cb8b7a8e/ac63f483cd3a47b3837f76fd721e386d/FLAG01ebb4154 [2021-11-23 15:54:21,096 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bead026-1a66-4b4e-81ec-07606bb019a3/bin/ukojak-CwSLpZB5Qu/data/9cb8b7a8e/ac63f483cd3a47b3837f76fd721e386d [2021-11-23 15:54:21,099 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:54:21,100 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:54:21,115 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:54:21,115 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:54:21,119 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:54:21,119 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:54:21" (1/1) ... [2021-11-23 15:54:21,120 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@190eee99 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:21, skipping insertion in model container [2021-11-23 15:54:21,121 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:54:21" (1/1) ... [2021-11-23 15:54:21,128 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:54:21,144 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:54:21,327 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_2bead026-1a66-4b4e-81ec-07606bb019a3/sv-benchmarks/c/loop-industry-pattern/nested-3.c[404,417] [2021-11-23 15:54:21,346 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:54:21,354 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:54:21,368 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_2bead026-1a66-4b4e-81ec-07606bb019a3/sv-benchmarks/c/loop-industry-pattern/nested-3.c[404,417] [2021-11-23 15:54:21,378 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:54:21,392 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:54:21,392 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:21 WrapperNode [2021-11-23 15:54:21,393 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:54:21,395 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:54:21,396 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:54:21,397 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:54:21,405 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:21" (1/1) ... [2021-11-23 15:54:21,412 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:21" (1/1) ... [2021-11-23 15:54:21,433 INFO L137 Inliner]: procedures = 13, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 47 [2021-11-23 15:54:21,433 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:54:21,434 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:54:21,434 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:54:21,435 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:54:21,442 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:21" (1/1) ... [2021-11-23 15:54:21,443 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:21" (1/1) ... [2021-11-23 15:54:21,453 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:21" (1/1) ... [2021-11-23 15:54:21,453 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:21" (1/1) ... [2021-11-23 15:54:21,460 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:21" (1/1) ... [2021-11-23 15:54:21,467 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:21" (1/1) ... [2021-11-23 15:54:21,472 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:21" (1/1) ... [2021-11-23 15:54:21,474 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:54:21,475 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:54:21,475 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:54:21,476 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:54:21,477 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:21" (1/1) ... [2021-11-23 15:54:21,484 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:54:21,495 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bead026-1a66-4b4e-81ec-07606bb019a3/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:54:21,511 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bead026-1a66-4b4e-81ec-07606bb019a3/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:54:21,542 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bead026-1a66-4b4e-81ec-07606bb019a3/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:54:21,558 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:54:21,559 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:54:21,559 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:54:21,560 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:54:21,625 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:54:21,627 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:54:21,795 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:54:21,814 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 15:54:21,825 INFO L158 Benchmark]: Toolchain (without parser) took 722.78ms. Allocated memory is still 98.6MB. Free memory was 65.3MB in the beginning and 61.5MB in the end (delta: 3.9MB). Peak memory consumption was 1.4MB. Max. memory is 16.1GB. [2021-11-23 15:54:21,827 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 98.6MB. Free memory was 52.1MB in the beginning and 52.1MB in the end (delta: 49.9kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:54:21,828 INFO L158 Benchmark]: CACSL2BoogieTranslator took 277.78ms. Allocated memory is still 98.6MB. Free memory was 65.2MB in the beginning and 73.4MB in the end (delta: -8.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 15:54:21,831 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.10ms. Allocated memory is still 98.6MB. Free memory was 73.2MB in the beginning and 71.7MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:54:21,833 INFO L158 Benchmark]: Boogie Preprocessor took 39.90ms. Allocated memory is still 98.6MB. Free memory was 71.7MB in the beginning and 70.8MB in the end (delta: 885.8kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:54:21,833 INFO L158 Benchmark]: RCFGBuilder took 347.08ms. Allocated memory is still 98.6MB. Free memory was 70.8MB in the beginning and 61.5MB in the end (delta: 9.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 15:54:21,842 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 98.6MB. Free memory was 52.1MB in the beginning and 52.1MB in the end (delta: 49.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 277.78ms. Allocated memory is still 98.6MB. Free memory was 65.2MB in the beginning and 73.4MB in the end (delta: -8.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.10ms. Allocated memory is still 98.6MB. Free memory was 73.2MB in the beginning and 71.7MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 39.90ms. Allocated memory is still 98.6MB. Free memory was 71.7MB in the beginning and 70.8MB in the end (delta: 885.8kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 347.08ms. Allocated memory is still 98.6MB. Free memory was 70.8MB in the beginning and 61.5MB in the end (delta: 9.3MB). Peak memory consumption was 8.4MB. 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 15:54:21,897 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bead026-1a66-4b4e-81ec-07606bb019a3/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_2bead026-1a66-4b4e-81ec-07606bb019a3/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bead026-1a66-4b4e-81ec-07606bb019a3/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_2bead026-1a66-4b4e-81ec-07606bb019a3/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bead026-1a66-4b4e-81ec-07606bb019a3/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-industry-pattern/nested-3.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bead026-1a66-4b4e-81ec-07606bb019a3/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_2bead026-1a66-4b4e-81ec-07606bb019a3/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 13e5ee77a02e52d8ba8ae9f3698472ae34be00d2574eddc823f2c8e804568236 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:54:24,232 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:54:24,234 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:54:24,265 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:54:24,269 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:54:24,273 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:54:24,277 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:54:24,281 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:54:24,284 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:54:24,290 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:54:24,294 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:54:24,296 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:54:24,296 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:54:24,299 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:54:24,301 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:54:24,303 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:54:24,305 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:54:24,307 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:54:24,311 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:54:24,319 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:54:24,321 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:54:24,322 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:54:24,325 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:54:24,327 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:54:24,336 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:54:24,336 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:54:24,337 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:54:24,339 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:54:24,339 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:54:24,340 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:54:24,341 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:54:24,342 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:54:24,344 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:54:24,345 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:54:24,346 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:54:24,346 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:54:24,347 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:54:24,348 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:54:24,348 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:54:24,350 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:54:24,350 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:54:24,356 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bead026-1a66-4b4e-81ec-07606bb019a3/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 15:54:24,416 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:54:24,416 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:54:24,417 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:54:24,418 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:54:24,419 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:54:24,419 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:54:24,419 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:54:24,420 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:54:24,420 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:54:24,420 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:54:24,421 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:54:24,421 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:54:24,421 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:54:24,422 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:54:24,422 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:54:24,422 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:54:24,422 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:54:24,422 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:54:24,423 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:54:24,423 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:54:24,423 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:54:24,423 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:54:24,424 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:54:24,424 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:54:24,424 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:54:24,424 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:54:24,424 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:54:24,425 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:54:24,425 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:54:24,425 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:54:24,425 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:54:24,425 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:54:24,426 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_2bead026-1a66-4b4e-81ec-07606bb019a3/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bead026-1a66-4b4e-81ec-07606bb019a3/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 13e5ee77a02e52d8ba8ae9f3698472ae34be00d2574eddc823f2c8e804568236 [2021-11-23 15:54:24,768 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:54:24,790 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:54:24,793 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:54:24,794 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:54:24,795 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:54:24,796 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bead026-1a66-4b4e-81ec-07606bb019a3/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/loop-industry-pattern/nested-3.c [2021-11-23 15:54:24,878 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bead026-1a66-4b4e-81ec-07606bb019a3/bin/ukojak-CwSLpZB5Qu/data/16bd5c36a/48d80b98bd2f4fa68e19138ca856fda4/FLAGb0a829fc4 [2021-11-23 15:54:25,397 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:54:25,398 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bead026-1a66-4b4e-81ec-07606bb019a3/sv-benchmarks/c/loop-industry-pattern/nested-3.c [2021-11-23 15:54:25,404 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bead026-1a66-4b4e-81ec-07606bb019a3/bin/ukojak-CwSLpZB5Qu/data/16bd5c36a/48d80b98bd2f4fa68e19138ca856fda4/FLAGb0a829fc4 [2021-11-23 15:54:25,757 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bead026-1a66-4b4e-81ec-07606bb019a3/bin/ukojak-CwSLpZB5Qu/data/16bd5c36a/48d80b98bd2f4fa68e19138ca856fda4 [2021-11-23 15:54:25,760 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:54:25,761 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:54:25,762 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:54:25,763 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:54:25,766 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:54:25,767 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:54:25" (1/1) ... [2021-11-23 15:54:25,768 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@401e590e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:25, skipping insertion in model container [2021-11-23 15:54:25,768 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:54:25" (1/1) ... [2021-11-23 15:54:25,776 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:54:25,790 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:54:25,928 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_2bead026-1a66-4b4e-81ec-07606bb019a3/sv-benchmarks/c/loop-industry-pattern/nested-3.c[404,417] [2021-11-23 15:54:25,942 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:54:25,952 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:54:25,965 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_2bead026-1a66-4b4e-81ec-07606bb019a3/sv-benchmarks/c/loop-industry-pattern/nested-3.c[404,417] [2021-11-23 15:54:25,970 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:54:25,983 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:54:25,983 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:25 WrapperNode [2021-11-23 15:54:25,984 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:54:25,985 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:54:25,985 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:54:25,985 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:54:26,016 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:25" (1/1) ... [2021-11-23 15:54:26,037 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:25" (1/1) ... [2021-11-23 15:54:26,060 INFO L137 Inliner]: procedures = 13, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 46 [2021-11-23 15:54:26,061 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:54:26,062 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:54:26,062 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:54:26,062 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:54:26,071 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:25" (1/1) ... [2021-11-23 15:54:26,072 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:25" (1/1) ... [2021-11-23 15:54:26,075 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:25" (1/1) ... [2021-11-23 15:54:26,075 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:25" (1/1) ... [2021-11-23 15:54:26,080 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:25" (1/1) ... [2021-11-23 15:54:26,084 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:25" (1/1) ... [2021-11-23 15:54:26,085 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:25" (1/1) ... [2021-11-23 15:54:26,087 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:54:26,088 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:54:26,088 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:54:26,089 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:54:26,089 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:54:25" (1/1) ... [2021-11-23 15:54:26,096 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:54:26,108 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bead026-1a66-4b4e-81ec-07606bb019a3/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:54:26,122 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bead026-1a66-4b4e-81ec-07606bb019a3/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:54:26,142 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bead026-1a66-4b4e-81ec-07606bb019a3/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:54:26,163 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:54:26,164 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:54:26,164 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:54:26,164 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:54:26,229 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:54:26,231 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:54:26,423 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:54:26,438 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 15:54:26,442 INFO L158 Benchmark]: Toolchain (without parser) took 680.04ms. Allocated memory is still 71.3MB. Free memory was 53.2MB in the beginning and 44.1MB in the end (delta: 9.1MB). Peak memory consumption was 7.0MB. Max. memory is 16.1GB. [2021-11-23 15:54:26,443 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 71.3MB. Free memory is still 52.7MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:54:26,444 INFO L158 Benchmark]: CACSL2BoogieTranslator took 221.56ms. Allocated memory is still 71.3MB. Free memory was 53.1MB in the beginning and 43.0MB in the end (delta: 10.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 15:54:26,445 INFO L158 Benchmark]: Boogie Procedure Inliner took 76.08ms. Allocated memory is still 71.3MB. Free memory was 43.0MB in the beginning and 54.8MB in the end (delta: -11.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:54:26,445 INFO L158 Benchmark]: Boogie Preprocessor took 25.41ms. Allocated memory is still 71.3MB. Free memory was 54.8MB in the beginning and 53.7MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:54:26,446 INFO L158 Benchmark]: RCFGBuilder took 352.13ms. Allocated memory is still 71.3MB. Free memory was 53.7MB in the beginning and 44.1MB in the end (delta: 9.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 15:54:26,450 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 71.3MB. Free memory is still 52.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 221.56ms. Allocated memory is still 71.3MB. Free memory was 53.1MB in the beginning and 43.0MB in the end (delta: 10.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 76.08ms. Allocated memory is still 71.3MB. Free memory was 43.0MB in the beginning and 54.8MB in the end (delta: -11.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 25.41ms. Allocated memory is still 71.3MB. Free memory was 54.8MB in the beginning and 53.7MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 352.13ms. Allocated memory is still 71.3MB. Free memory was 53.7MB in the beginning and 44.1MB in the end (delta: 9.6MB). Peak memory consumption was 8.4MB. 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 15:54:26,502 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2bead026-1a66-4b4e-81ec-07606bb019a3/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