./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/memsafety-ext/tree_dsw.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 6a47aea7 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9142a6f6-bbdf-4ba7-989b-956b7ed24f9b/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9142a6f6-bbdf-4ba7-989b-956b7ed24f9b/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_9142a6f6-bbdf-4ba7-989b-956b7ed24f9b/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9142a6f6-bbdf-4ba7-989b-956b7ed24f9b/bin/ukojak-CwSLpZB5Qu/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety-ext/tree_dsw.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9142a6f6-bbdf-4ba7-989b-956b7ed24f9b/bin/ukojak-CwSLpZB5Qu/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9142a6f6-bbdf-4ba7-989b-956b7ed24f9b/bin/ukojak-CwSLpZB5Qu --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6527731a1486e677feb1440c4f57330edff23abded92b5eda1225729ba969b33 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:58:46,014 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:58:46,016 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:58:46,063 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:58:46,063 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:58:46,068 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:58:46,071 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:58:46,075 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:58:46,078 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:58:46,090 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:58:46,091 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:58:46,093 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:58:46,093 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:58:46,097 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:58:46,100 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:58:46,105 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:58:46,106 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:58:46,107 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:58:46,110 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:58:46,112 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:58:46,114 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:58:46,118 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:58:46,125 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:58:46,126 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:58:46,134 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:58:46,135 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:58:46,135 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:58:46,136 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:58:46,137 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:58:46,138 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:58:46,138 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:58:46,139 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:58:46,140 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:58:46,141 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:58:46,142 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:58:46,142 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:58:46,145 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:58:46,146 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:58:46,147 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:58:46,148 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:58:46,148 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:58:46,149 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9142a6f6-bbdf-4ba7-989b-956b7ed24f9b/bin/ukojak-CwSLpZB5Qu/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2021-11-23 15:58:46,192 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:58:46,192 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:58:46,194 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:58:46,195 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:58:46,195 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:58:46,195 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:58:46,195 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 15:58:46,195 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:58:46,202 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:58:46,202 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:58:46,203 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-23 15:58:46,203 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-23 15:58:46,203 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-23 15:58:46,203 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:58:46,204 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:58:46,204 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:58:46,204 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:58:46,204 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:58:46,204 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:58:46,205 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:58:46,205 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:58:46,205 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:58:46,205 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:58:46,205 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:58:46,206 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_9142a6f6-bbdf-4ba7-989b-956b7ed24f9b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9142a6f6-bbdf-4ba7-989b-956b7ed24f9b/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6527731a1486e677feb1440c4f57330edff23abded92b5eda1225729ba969b33 [2021-11-23 15:58:46,502 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:58:46,525 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:58:46,527 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:58:46,529 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:58:46,530 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:58:46,531 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9142a6f6-bbdf-4ba7-989b-956b7ed24f9b/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/memsafety-ext/tree_dsw.i [2021-11-23 15:58:46,618 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9142a6f6-bbdf-4ba7-989b-956b7ed24f9b/bin/ukojak-CwSLpZB5Qu/data/0fbcd923f/2057957da1e84e5c8b8c4a3122bc3d19/FLAG178acbf98 [2021-11-23 15:58:47,115 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:58:47,115 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9142a6f6-bbdf-4ba7-989b-956b7ed24f9b/sv-benchmarks/c/memsafety-ext/tree_dsw.i [2021-11-23 15:58:47,130 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9142a6f6-bbdf-4ba7-989b-956b7ed24f9b/bin/ukojak-CwSLpZB5Qu/data/0fbcd923f/2057957da1e84e5c8b8c4a3122bc3d19/FLAG178acbf98 [2021-11-23 15:58:47,420 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9142a6f6-bbdf-4ba7-989b-956b7ed24f9b/bin/ukojak-CwSLpZB5Qu/data/0fbcd923f/2057957da1e84e5c8b8c4a3122bc3d19 [2021-11-23 15:58:47,423 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:58:47,424 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:58:47,426 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:58:47,426 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:58:47,429 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:58:47,430 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:58:47" (1/1) ... [2021-11-23 15:58:47,431 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9e5dc7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:47, skipping insertion in model container [2021-11-23 15:58:47,431 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:58:47" (1/1) ... [2021-11-23 15:58:47,448 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:58:47,492 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:58:47,786 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:58:47,794 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:58:47,838 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:58:47,871 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:58:47,871 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:47 WrapperNode [2021-11-23 15:58:47,871 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:58:47,873 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:58:47,873 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:58:47,873 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:58:47,883 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:47" (1/1) ... [2021-11-23 15:58:47,915 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:47" (1/1) ... [2021-11-23 15:58:47,948 INFO L137 Inliner]: procedures = 124, calls = 52, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 168 [2021-11-23 15:58:47,957 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:58:47,958 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:58:47,958 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:58:47,958 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:58:47,966 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:47" (1/1) ... [2021-11-23 15:58:47,968 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:47" (1/1) ... [2021-11-23 15:58:47,978 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:47" (1/1) ... [2021-11-23 15:58:47,978 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:47" (1/1) ... [2021-11-23 15:58:47,989 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:47" (1/1) ... [2021-11-23 15:58:48,003 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:47" (1/1) ... [2021-11-23 15:58:48,006 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:47" (1/1) ... [2021-11-23 15:58:48,023 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:58:48,024 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:58:48,025 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:58:48,025 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:58:48,025 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:47" (1/1) ... [2021-11-23 15:58:48,033 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:58:48,044 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9142a6f6-bbdf-4ba7-989b-956b7ed24f9b/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:58:48,055 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9142a6f6-bbdf-4ba7-989b-956b7ed24f9b/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:58:48,087 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9142a6f6-bbdf-4ba7-989b-956b7ed24f9b/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:58:48,103 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 15:58:48,104 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:58:48,104 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 15:58:48,104 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 15:58:48,104 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 15:58:48,105 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:58:48,105 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:58:48,105 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:58:48,105 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:58:48,201 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:58:48,203 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:58:48,659 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:58:48,713 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$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 15:58:48,718 INFO L158 Benchmark]: Toolchain (without parser) took 1292.43ms. Allocated memory was 98.6MB in the beginning and 127.9MB in the end (delta: 29.4MB). Free memory was 60.2MB in the beginning and 99.7MB in the end (delta: -39.5MB). Peak memory consumption was 26.9MB. Max. memory is 16.1GB. [2021-11-23 15:58:48,719 INFO L158 Benchmark]: CDTParser took 0.59ms. Allocated memory is still 98.6MB. Free memory was 77.7MB in the beginning and 77.6MB in the end (delta: 44.1kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:58:48,720 INFO L158 Benchmark]: CACSL2BoogieTranslator took 446.05ms. Allocated memory is still 98.6MB. Free memory was 60.0MB in the beginning and 65.9MB in the end (delta: -5.9MB). Peak memory consumption was 6.4MB. Max. memory is 16.1GB. [2021-11-23 15:58:48,721 INFO L158 Benchmark]: Boogie Procedure Inliner took 84.65ms. Allocated memory is still 98.6MB. Free memory was 65.9MB in the beginning and 63.5MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:58:48,721 INFO L158 Benchmark]: Boogie Preprocessor took 65.91ms. Allocated memory is still 98.6MB. Free memory was 63.5MB in the beginning and 61.7MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:58:48,723 INFO L158 Benchmark]: RCFGBuilder took 691.41ms. Allocated memory was 98.6MB in the beginning and 127.9MB in the end (delta: 29.4MB). Free memory was 61.7MB in the beginning and 99.7MB in the end (delta: -38.0MB). Peak memory consumption was 28.7MB. Max. memory is 16.1GB. [2021-11-23 15:58:48,726 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.59ms. Allocated memory is still 98.6MB. Free memory was 77.7MB in the beginning and 77.6MB in the end (delta: 44.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 446.05ms. Allocated memory is still 98.6MB. Free memory was 60.0MB in the beginning and 65.9MB in the end (delta: -5.9MB). Peak memory consumption was 6.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 84.65ms. Allocated memory is still 98.6MB. Free memory was 65.9MB in the beginning and 63.5MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 65.91ms. Allocated memory is still 98.6MB. Free memory was 63.5MB in the beginning and 61.7MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 691.41ms. Allocated memory was 98.6MB in the beginning and 127.9MB in the end (delta: 29.4MB). Free memory was 61.7MB in the beginning and 99.7MB in the end (delta: -38.0MB). Peak memory consumption was 28.7MB. 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 15:58:48,772 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9142a6f6-bbdf-4ba7-989b-956b7ed24f9b/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_9142a6f6-bbdf-4ba7-989b-956b7ed24f9b/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9142a6f6-bbdf-4ba7-989b-956b7ed24f9b/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_9142a6f6-bbdf-4ba7-989b-956b7ed24f9b/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9142a6f6-bbdf-4ba7-989b-956b7ed24f9b/bin/ukojak-CwSLpZB5Qu/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety-ext/tree_dsw.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9142a6f6-bbdf-4ba7-989b-956b7ed24f9b/bin/ukojak-CwSLpZB5Qu/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9142a6f6-bbdf-4ba7-989b-956b7ed24f9b/bin/ukojak-CwSLpZB5Qu --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6527731a1486e677feb1440c4f57330edff23abded92b5eda1225729ba969b33 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:58:51,165 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:58:51,168 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:58:51,197 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:58:51,198 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:58:51,200 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:58:51,201 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:58:51,204 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:58:51,206 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:58:51,208 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:58:51,209 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:58:51,210 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:58:51,211 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:58:51,212 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:58:51,214 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:58:51,216 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:58:51,217 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:58:51,218 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:58:51,221 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:58:51,223 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:58:51,226 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:58:51,227 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:58:51,229 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:58:51,230 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:58:51,234 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:58:51,234 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:58:51,235 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:58:51,236 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:58:51,236 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:58:51,238 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:58:51,238 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:58:51,239 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:58:51,240 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:58:51,241 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:58:51,242 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:58:51,243 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:58:51,243 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:58:51,244 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:58:51,244 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:58:51,245 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:58:51,246 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:58:51,248 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9142a6f6-bbdf-4ba7-989b-956b7ed24f9b/bin/ukojak-CwSLpZB5Qu/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf [2021-11-23 15:58:51,281 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:58:51,281 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:58:51,283 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:58:51,284 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:58:51,284 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:58:51,284 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:58:51,285 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 15:58:51,285 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:58:51,285 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:58:51,285 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:58:51,286 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-23 15:58:51,287 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-23 15:58:51,287 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-23 15:58:51,287 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:58:51,287 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:58:51,288 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:58:51,288 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:58:51,288 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:58:51,288 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:58:51,288 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:58:51,289 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:58:51,289 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:58:51,289 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:58:51,289 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:58:51,290 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:58:51,290 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:58:51,290 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:58:51,290 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:58:51,291 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:58:51,291 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_9142a6f6-bbdf-4ba7-989b-956b7ed24f9b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9142a6f6-bbdf-4ba7-989b-956b7ed24f9b/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6527731a1486e677feb1440c4f57330edff23abded92b5eda1225729ba969b33 [2021-11-23 15:58:51,697 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:58:51,731 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:58:51,735 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:58:51,738 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:58:51,739 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:58:51,740 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9142a6f6-bbdf-4ba7-989b-956b7ed24f9b/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/memsafety-ext/tree_dsw.i [2021-11-23 15:58:51,832 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9142a6f6-bbdf-4ba7-989b-956b7ed24f9b/bin/ukojak-CwSLpZB5Qu/data/65b662ae4/289de5ed9e7e4dca91458f796d7c806e/FLAGf15709c57 [2021-11-23 15:58:52,525 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:58:52,525 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9142a6f6-bbdf-4ba7-989b-956b7ed24f9b/sv-benchmarks/c/memsafety-ext/tree_dsw.i [2021-11-23 15:58:52,545 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9142a6f6-bbdf-4ba7-989b-956b7ed24f9b/bin/ukojak-CwSLpZB5Qu/data/65b662ae4/289de5ed9e7e4dca91458f796d7c806e/FLAGf15709c57 [2021-11-23 15:58:52,771 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9142a6f6-bbdf-4ba7-989b-956b7ed24f9b/bin/ukojak-CwSLpZB5Qu/data/65b662ae4/289de5ed9e7e4dca91458f796d7c806e [2021-11-23 15:58:52,776 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:58:52,777 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:58:52,778 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:58:52,778 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:58:52,783 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:58:52,784 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:58:52" (1/1) ... [2021-11-23 15:58:52,785 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@41008892 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:52, skipping insertion in model container [2021-11-23 15:58:52,785 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:58:52" (1/1) ... [2021-11-23 15:58:52,798 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:58:52,854 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:58:53,200 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:58:53,217 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-23 15:58:53,225 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:58:53,308 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:58:53,318 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:58:53,393 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:58:53,440 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:58:53,441 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:53 WrapperNode [2021-11-23 15:58:53,441 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:58:53,442 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:58:53,444 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:58:53,445 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:58:53,453 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:53" (1/1) ... [2021-11-23 15:58:53,493 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:53" (1/1) ... [2021-11-23 15:58:53,552 INFO L137 Inliner]: procedures = 125, calls = 52, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 155 [2021-11-23 15:58:53,554 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:58:53,556 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:58:53,556 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:58:53,556 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:58:53,566 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:53" (1/1) ... [2021-11-23 15:58:53,567 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:53" (1/1) ... [2021-11-23 15:58:53,586 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:53" (1/1) ... [2021-11-23 15:58:53,587 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:53" (1/1) ... [2021-11-23 15:58:53,616 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:53" (1/1) ... [2021-11-23 15:58:53,621 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:53" (1/1) ... [2021-11-23 15:58:53,636 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:53" (1/1) ... [2021-11-23 15:58:53,640 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:58:53,641 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:58:53,641 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:58:53,642 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:58:53,643 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:53" (1/1) ... [2021-11-23 15:58:53,660 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:58:53,673 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9142a6f6-bbdf-4ba7-989b-956b7ed24f9b/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:58:53,689 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9142a6f6-bbdf-4ba7-989b-956b7ed24f9b/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:58:53,710 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9142a6f6-bbdf-4ba7-989b-956b7ed24f9b/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:58:53,766 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 15:58:53,767 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:58:53,768 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 15:58:53,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 15:58:53,768 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 15:58:53,768 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:58:53,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:58:53,769 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:58:53,769 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:58:53,954 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:58:53,956 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:58:54,797 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:58:54,875 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$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 15:58:54,882 INFO L158 Benchmark]: Toolchain (without parser) took 2103.67ms. Allocated memory is still 73.4MB. Free memory was 52.9MB in the beginning and 30.6MB in the end (delta: 22.3MB). Peak memory consumption was 24.4MB. Max. memory is 16.1GB. [2021-11-23 15:58:54,884 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 73.4MB. Free memory is still 53.8MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:58:54,885 INFO L158 Benchmark]: CACSL2BoogieTranslator took 663.73ms. Allocated memory is still 73.4MB. Free memory was 52.8MB in the beginning and 42.7MB in the end (delta: 10.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 15:58:54,887 INFO L158 Benchmark]: Boogie Procedure Inliner took 112.46ms. Allocated memory is still 73.4MB. Free memory was 42.7MB in the beginning and 40.3MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:58:54,887 INFO L158 Benchmark]: Boogie Preprocessor took 84.77ms. Allocated memory is still 73.4MB. Free memory was 40.3MB in the beginning and 38.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:58:54,889 INFO L158 Benchmark]: RCFGBuilder took 1238.66ms. Allocated memory is still 73.4MB. Free memory was 38.2MB in the beginning and 30.6MB in the end (delta: 7.6MB). Peak memory consumption was 12.9MB. Max. memory is 16.1GB. [2021-11-23 15:58:54,893 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 73.4MB. Free memory is still 53.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 663.73ms. Allocated memory is still 73.4MB. Free memory was 52.8MB in the beginning and 42.7MB in the end (delta: 10.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 112.46ms. Allocated memory is still 73.4MB. Free memory was 42.7MB in the beginning and 40.3MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 84.77ms. Allocated memory is still 73.4MB. Free memory was 40.3MB in the beginning and 38.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1238.66ms. Allocated memory is still 73.4MB. Free memory was 38.2MB in the beginning and 30.6MB in the end (delta: 7.6MB). Peak memory consumption was 12.9MB. 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 15:58:54,959 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9142a6f6-bbdf-4ba7-989b-956b7ed24f9b/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