./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-simple/nested_5.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_bd78bbe2-52c4-4a76-a728-f2c825f9f4f8/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd78bbe2-52c4-4a76-a728-f2c825f9f4f8/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_bd78bbe2-52c4-4a76-a728-f2c825f9f4f8/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd78bbe2-52c4-4a76-a728-f2c825f9f4f8/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-simple/nested_5.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd78bbe2-52c4-4a76-a728-f2c825f9f4f8/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_bd78bbe2-52c4-4a76-a728-f2c825f9f4f8/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 3d0f32d2f39934bb8fd732fa206acfa5d2fb4cacaee37919c0e4326d55891c86 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:04:56,779 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:04:56,782 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:04:56,825 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:04:56,826 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:04:56,827 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:04:56,829 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:04:56,832 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:04:56,834 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:04:56,836 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:04:56,837 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:04:56,839 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:04:56,839 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:04:56,841 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:04:56,843 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:04:56,844 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:04:56,846 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:04:56,847 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:04:56,849 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:04:56,852 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:04:56,854 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:04:56,856 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:04:56,858 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:04:56,859 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:04:56,863 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:04:56,863 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:04:56,864 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:04:56,865 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:04:56,866 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:04:56,867 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:04:56,867 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:04:56,868 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:04:56,869 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:04:56,870 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:04:56,872 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:04:56,879 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:04:56,880 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:04:56,881 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:04:56,881 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:04:56,882 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:04:56,884 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:04:56,886 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd78bbe2-52c4-4a76-a728-f2c825f9f4f8/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:04:56,920 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:04:56,921 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:04:56,922 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:04:56,922 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:04:56,923 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:04:56,923 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:04:56,924 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:04:56,930 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:04:56,930 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:04:56,931 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:04:56,932 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:04:56,932 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:04:56,932 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:04:56,933 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:04:56,933 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:04:56,933 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:04:56,933 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:04:56,933 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:04:56,934 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:04:56,934 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:04:56,934 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:04:56,935 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:04:56,935 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:04:56,935 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:04:56,935 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:04:56,936 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:04:56,936 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:04:56,936 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:04:56,936 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_bd78bbe2-52c4-4a76-a728-f2c825f9f4f8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd78bbe2-52c4-4a76-a728-f2c825f9f4f8/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3d0f32d2f39934bb8fd732fa206acfa5d2fb4cacaee37919c0e4326d55891c86 [2021-11-23 15:04:57,260 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:04:57,295 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:04:57,298 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:04:57,299 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:04:57,300 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:04:57,302 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd78bbe2-52c4-4a76-a728-f2c825f9f4f8/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/loop-simple/nested_5.c [2021-11-23 15:04:57,379 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd78bbe2-52c4-4a76-a728-f2c825f9f4f8/bin/ukojak-CwSLpZB5Qu/data/dd9af6c3c/80436a9781eb47d389e675ec759ff3d3/FLAGf322c4091 [2021-11-23 15:04:57,969 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:04:57,970 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd78bbe2-52c4-4a76-a728-f2c825f9f4f8/sv-benchmarks/c/loop-simple/nested_5.c [2021-11-23 15:04:57,981 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd78bbe2-52c4-4a76-a728-f2c825f9f4f8/bin/ukojak-CwSLpZB5Qu/data/dd9af6c3c/80436a9781eb47d389e675ec759ff3d3/FLAGf322c4091 [2021-11-23 15:04:58,284 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd78bbe2-52c4-4a76-a728-f2c825f9f4f8/bin/ukojak-CwSLpZB5Qu/data/dd9af6c3c/80436a9781eb47d389e675ec759ff3d3 [2021-11-23 15:04:58,288 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:04:58,289 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:04:58,291 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:04:58,291 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:04:58,294 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:04:58,295 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:04:58" (1/1) ... [2021-11-23 15:04:58,297 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6804320 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:58, skipping insertion in model container [2021-11-23 15:04:58,297 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:04:58" (1/1) ... [2021-11-23 15:04:58,304 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:04:58,318 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:04:58,498 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_bd78bbe2-52c4-4a76-a728-f2c825f9f4f8/sv-benchmarks/c/loop-simple/nested_5.c[899,912] [2021-11-23 15:04:58,503 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:04:58,512 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:04:58,530 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_bd78bbe2-52c4-4a76-a728-f2c825f9f4f8/sv-benchmarks/c/loop-simple/nested_5.c[899,912] [2021-11-23 15:04:58,531 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:04:58,545 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:04:58,545 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:58 WrapperNode [2021-11-23 15:04:58,545 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:04:58,547 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:04:58,547 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:04:58,547 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:04:58,555 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:58" (1/1) ... [2021-11-23 15:04:58,562 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:58" (1/1) ... [2021-11-23 15:04:58,578 INFO L137 Inliner]: procedures = 10, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 59 [2021-11-23 15:04:58,578 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:04:58,579 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:04:58,579 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:04:58,579 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:04:58,587 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:58" (1/1) ... [2021-11-23 15:04:58,587 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:58" (1/1) ... [2021-11-23 15:04:58,588 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:58" (1/1) ... [2021-11-23 15:04:58,589 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:58" (1/1) ... [2021-11-23 15:04:58,592 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:58" (1/1) ... [2021-11-23 15:04:58,597 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:58" (1/1) ... [2021-11-23 15:04:58,598 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:58" (1/1) ... [2021-11-23 15:04:58,600 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:04:58,601 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:04:58,601 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:04:58,601 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:04:58,602 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:58" (1/1) ... [2021-11-23 15:04:58,610 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:04:58,623 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd78bbe2-52c4-4a76-a728-f2c825f9f4f8/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:04:58,637 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd78bbe2-52c4-4a76-a728-f2c825f9f4f8/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:04:58,664 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd78bbe2-52c4-4a76-a728-f2c825f9f4f8/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:04:58,695 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:04:58,695 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:04:58,695 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:04:58,696 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:04:58,769 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:04:58,771 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:04:58,936 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:04:58,951 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.addBranchEncoders(TransFormulaBuilder.java:170) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.parallelComposition(TransFormulaUtils.java:337) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.ParallelComposition.(ParallelComposition.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CodeBlockFactory.constructParallelComposition(CodeBlockFactory.java:109) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.composeParallel(CfgBuilder.java:1792) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.(CfgBuilder.java:1653) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:280) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 15:04:58,957 INFO L158 Benchmark]: Toolchain (without parser) took 666.35ms. Allocated memory was 96.5MB in the beginning and 138.4MB in the end (delta: 41.9MB). Free memory was 73.1MB in the beginning and 102.3MB in the end (delta: -29.1MB). Peak memory consumption was 10.4MB. Max. memory is 16.1GB. [2021-11-23 15:04:58,958 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 96.5MB. Free memory is still 53.2MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:04:58,959 INFO L158 Benchmark]: CACSL2BoogieTranslator took 255.14ms. Allocated memory was 96.5MB in the beginning and 138.4MB in the end (delta: 41.9MB). Free memory was 72.9MB in the beginning and 114.3MB in the end (delta: -41.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 15:04:58,960 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.55ms. Allocated memory is still 138.4MB. Free memory was 114.3MB in the beginning and 112.7MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:04:58,961 INFO L158 Benchmark]: Boogie Preprocessor took 21.02ms. Allocated memory is still 138.4MB. Free memory was 112.7MB in the beginning and 111.8MB in the end (delta: 977.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:04:58,962 INFO L158 Benchmark]: RCFGBuilder took 354.13ms. Allocated memory is still 138.4MB. Free memory was 111.8MB in the beginning and 102.3MB in the end (delta: 9.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 15:04:58,966 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 96.5MB. Free memory is still 53.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 255.14ms. Allocated memory was 96.5MB in the beginning and 138.4MB in the end (delta: 41.9MB). Free memory was 72.9MB in the beginning and 114.3MB in the end (delta: -41.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 31.55ms. Allocated memory is still 138.4MB. Free memory was 114.3MB in the beginning and 112.7MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 21.02ms. Allocated memory is still 138.4MB. Free memory was 112.7MB in the beginning and 111.8MB in the end (delta: 977.0kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 354.13ms. Allocated memory is still 138.4MB. Free memory was 111.8MB in the beginning and 102.3MB in the end (delta: 9.5MB). 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 15:04:59,016 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd78bbe2-52c4-4a76-a728-f2c825f9f4f8/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_bd78bbe2-52c4-4a76-a728-f2c825f9f4f8/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd78bbe2-52c4-4a76-a728-f2c825f9f4f8/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_bd78bbe2-52c4-4a76-a728-f2c825f9f4f8/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd78bbe2-52c4-4a76-a728-f2c825f9f4f8/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-simple/nested_5.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd78bbe2-52c4-4a76-a728-f2c825f9f4f8/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_bd78bbe2-52c4-4a76-a728-f2c825f9f4f8/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 3d0f32d2f39934bb8fd732fa206acfa5d2fb4cacaee37919c0e4326d55891c86 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:05:01,518 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:05:01,520 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:05:01,552 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:05:01,553 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:05:01,554 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:05:01,556 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:05:01,559 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:05:01,561 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:05:01,562 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:05:01,564 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:05:01,565 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:05:01,566 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:05:01,567 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:05:01,573 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:05:01,575 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:05:01,577 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:05:01,579 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:05:01,582 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:05:01,590 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:05:01,597 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:05:01,599 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:05:01,601 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:05:01,603 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:05:01,608 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:05:01,612 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:05:01,613 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:05:01,614 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:05:01,615 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:05:01,617 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:05:01,617 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:05:01,619 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:05:01,621 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:05:01,622 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:05:01,623 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:05:01,624 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:05:01,625 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:05:01,625 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:05:01,625 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:05:01,627 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:05:01,628 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:05:01,629 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd78bbe2-52c4-4a76-a728-f2c825f9f4f8/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 15:05:01,679 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:05:01,679 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:05:01,680 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:05:01,681 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:05:01,682 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:05:01,682 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:05:01,683 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:05:01,683 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:05:01,683 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:05:01,683 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:05:01,684 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:05:01,685 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:05:01,685 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:05:01,685 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:05:01,685 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:05:01,686 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:05:01,686 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:05:01,686 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:05:01,686 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:05:01,686 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:05:01,687 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:05:01,687 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:05:01,687 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:05:01,687 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:05:01,688 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:05:01,688 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:05:01,688 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:05:01,688 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:05:01,689 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:05:01,689 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:05:01,689 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:05:01,689 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:05:01,690 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_bd78bbe2-52c4-4a76-a728-f2c825f9f4f8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd78bbe2-52c4-4a76-a728-f2c825f9f4f8/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3d0f32d2f39934bb8fd732fa206acfa5d2fb4cacaee37919c0e4326d55891c86 [2021-11-23 15:05:02,089 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:05:02,118 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:05:02,121 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:05:02,122 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:05:02,123 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:05:02,125 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd78bbe2-52c4-4a76-a728-f2c825f9f4f8/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/loop-simple/nested_5.c [2021-11-23 15:05:02,208 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd78bbe2-52c4-4a76-a728-f2c825f9f4f8/bin/ukojak-CwSLpZB5Qu/data/f993155bc/4bb3f61638274347b10c5e613369df26/FLAG94b188b96 [2021-11-23 15:05:02,806 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:05:02,806 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd78bbe2-52c4-4a76-a728-f2c825f9f4f8/sv-benchmarks/c/loop-simple/nested_5.c [2021-11-23 15:05:02,817 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd78bbe2-52c4-4a76-a728-f2c825f9f4f8/bin/ukojak-CwSLpZB5Qu/data/f993155bc/4bb3f61638274347b10c5e613369df26/FLAG94b188b96 [2021-11-23 15:05:03,194 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd78bbe2-52c4-4a76-a728-f2c825f9f4f8/bin/ukojak-CwSLpZB5Qu/data/f993155bc/4bb3f61638274347b10c5e613369df26 [2021-11-23 15:05:03,197 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:05:03,200 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:05:03,204 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:05:03,205 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:05:03,208 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:05:03,209 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:05:03" (1/1) ... [2021-11-23 15:05:03,210 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@bb514f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:03, skipping insertion in model container [2021-11-23 15:05:03,210 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:05:03" (1/1) ... [2021-11-23 15:05:03,218 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:05:03,235 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:05:03,442 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_bd78bbe2-52c4-4a76-a728-f2c825f9f4f8/sv-benchmarks/c/loop-simple/nested_5.c[899,912] [2021-11-23 15:05:03,445 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:05:03,457 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:05:03,475 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_bd78bbe2-52c4-4a76-a728-f2c825f9f4f8/sv-benchmarks/c/loop-simple/nested_5.c[899,912] [2021-11-23 15:05:03,475 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:05:03,489 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:05:03,490 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:03 WrapperNode [2021-11-23 15:05:03,490 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:05:03,491 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:05:03,492 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:05:03,492 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:05:03,499 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:03" (1/1) ... [2021-11-23 15:05:03,510 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:03" (1/1) ... [2021-11-23 15:05:03,534 INFO L137 Inliner]: procedures = 10, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 59 [2021-11-23 15:05:03,534 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:05:03,535 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:05:03,551 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:05:03,551 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:05:03,567 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:03" (1/1) ... [2021-11-23 15:05:03,568 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:03" (1/1) ... [2021-11-23 15:05:03,584 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:03" (1/1) ... [2021-11-23 15:05:03,584 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:03" (1/1) ... [2021-11-23 15:05:03,588 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:03" (1/1) ... [2021-11-23 15:05:03,593 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:03" (1/1) ... [2021-11-23 15:05:03,594 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:03" (1/1) ... [2021-11-23 15:05:03,604 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:05:03,605 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:05:03,606 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:05:03,606 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:05:03,607 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:05:03" (1/1) ... [2021-11-23 15:05:03,614 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:05:03,627 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd78bbe2-52c4-4a76-a728-f2c825f9f4f8/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:05:03,639 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd78bbe2-52c4-4a76-a728-f2c825f9f4f8/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:05:03,643 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd78bbe2-52c4-4a76-a728-f2c825f9f4f8/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:05:03,676 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:05:03,677 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:05:03,677 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:05:03,677 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:05:03,762 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:05:03,764 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:05:03,956 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:05:03,976 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.addBranchEncoders(TransFormulaBuilder.java:170) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.parallelComposition(TransFormulaUtils.java:337) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.ParallelComposition.(ParallelComposition.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CodeBlockFactory.constructParallelComposition(CodeBlockFactory.java:109) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.composeParallel(CfgBuilder.java:1792) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.(CfgBuilder.java:1653) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:280) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 15:05:03,982 INFO L158 Benchmark]: Toolchain (without parser) took 780.14ms. Allocated memory is still 56.6MB. Free memory was 34.9MB in the beginning and 30.3MB in the end (delta: 4.6MB). Peak memory consumption was 7.4MB. Max. memory is 16.1GB. [2021-11-23 15:05:03,984 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 56.6MB. Free memory was 37.9MB in the beginning and 37.9MB in the end (delta: 44.5kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:05:03,985 INFO L158 Benchmark]: CACSL2BoogieTranslator took 285.97ms. Allocated memory is still 56.6MB. Free memory was 34.8MB in the beginning and 24.8MB in the end (delta: 10.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 15:05:03,988 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.38ms. Allocated memory is still 56.6MB. Free memory was 24.8MB in the beginning and 23.3MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:05:03,988 INFO L158 Benchmark]: Boogie Preprocessor took 69.44ms. Allocated memory is still 56.6MB. Free memory was 23.3MB in the beginning and 39.8MB in the end (delta: -16.5MB). Peak memory consumption was 5.3MB. Max. memory is 16.1GB. [2021-11-23 15:05:03,989 INFO L158 Benchmark]: RCFGBuilder took 374.18ms. Allocated memory is still 56.6MB. Free memory was 39.6MB in the beginning and 30.3MB in the end (delta: 9.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 15:05:03,994 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 56.6MB. Free memory was 37.9MB in the beginning and 37.9MB in the end (delta: 44.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 285.97ms. Allocated memory is still 56.6MB. Free memory was 34.8MB in the beginning and 24.8MB in the end (delta: 10.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 43.38ms. Allocated memory is still 56.6MB. Free memory was 24.8MB in the beginning and 23.3MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 69.44ms. Allocated memory is still 56.6MB. Free memory was 23.3MB in the beginning and 39.8MB in the end (delta: -16.5MB). Peak memory consumption was 5.3MB. Max. memory is 16.1GB. * RCFGBuilder took 374.18ms. Allocated memory is still 56.6MB. Free memory was 39.6MB in the beginning and 30.3MB in the end (delta: 9.3MB). 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 15:05:04,052 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd78bbe2-52c4-4a76-a728-f2c825f9f4f8/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