./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/ArraysOfVariableLength6.c --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_635c7cb0-c60c-4e31-b9ae-e21d80e79ccf/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_635c7cb0-c60c-4e31-b9ae-e21d80e79ccf/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_635c7cb0-c60c-4e31-b9ae-e21d80e79ccf/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_635c7cb0-c60c-4e31-b9ae-e21d80e79ccf/bin/ukojak-CwSLpZB5Qu/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/ArraysOfVariableLength6.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_635c7cb0-c60c-4e31-b9ae-e21d80e79ccf/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_635c7cb0-c60c-4e31-b9ae-e21d80e79ccf/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 6ef2b56a2f4ebf2e6f7f4ededf8760f087ff726b08e36644d8dcb52a8d087cd1 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:51:02,139 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:51:02,142 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:51:02,177 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:51:02,178 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:51:02,179 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:51:02,181 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:51:02,183 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:51:02,186 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:51:02,187 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:51:02,188 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:51:02,191 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:51:02,191 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:51:02,193 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:51:02,194 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:51:02,196 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:51:02,197 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:51:02,199 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:51:02,201 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:51:02,208 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:51:02,213 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:51:02,220 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:51:02,222 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:51:02,225 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:51:02,229 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:51:02,233 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:51:02,234 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:51:02,235 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:51:02,237 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:51:02,238 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:51:02,240 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:51:02,241 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:51:02,243 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:51:02,245 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:51:02,246 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:51:02,247 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:51:02,248 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:51:02,248 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:51:02,248 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:51:02,249 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:51:02,250 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:51:02,251 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_635c7cb0-c60c-4e31-b9ae-e21d80e79ccf/bin/ukojak-CwSLpZB5Qu/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2021-11-23 15:51:02,279 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:51:02,280 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:51:02,281 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:51:02,281 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:51:02,281 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:51:02,282 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:51:02,282 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 15:51:02,282 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:51:02,282 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:51:02,283 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:51:02,283 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-23 15:51:02,283 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-23 15:51:02,283 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-23 15:51:02,283 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:51:02,284 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:51:02,284 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:51:02,284 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:51:02,284 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:51:02,284 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:51:02,285 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:51:02,285 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:51:02,285 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:51:02,285 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:51:02,286 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:51:02,286 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_635c7cb0-c60c-4e31-b9ae-e21d80e79ccf/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_635c7cb0-c60c-4e31-b9ae-e21d80e79ccf/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6ef2b56a2f4ebf2e6f7f4ededf8760f087ff726b08e36644d8dcb52a8d087cd1 [2021-11-23 15:51:02,575 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:51:02,596 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:51:02,599 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:51:02,600 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:51:02,601 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:51:02,602 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_635c7cb0-c60c-4e31-b9ae-e21d80e79ccf/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/ldv-memsafety/ArraysOfVariableLength6.c [2021-11-23 15:51:02,692 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_635c7cb0-c60c-4e31-b9ae-e21d80e79ccf/bin/ukojak-CwSLpZB5Qu/data/2558d88e3/b69eb59475f74ce6a6283348eb19cf4e/FLAG4bcc82e1b [2021-11-23 15:51:03,175 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:51:03,177 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_635c7cb0-c60c-4e31-b9ae-e21d80e79ccf/sv-benchmarks/c/ldv-memsafety/ArraysOfVariableLength6.c [2021-11-23 15:51:03,191 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_635c7cb0-c60c-4e31-b9ae-e21d80e79ccf/bin/ukojak-CwSLpZB5Qu/data/2558d88e3/b69eb59475f74ce6a6283348eb19cf4e/FLAG4bcc82e1b [2021-11-23 15:51:03,536 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_635c7cb0-c60c-4e31-b9ae-e21d80e79ccf/bin/ukojak-CwSLpZB5Qu/data/2558d88e3/b69eb59475f74ce6a6283348eb19cf4e [2021-11-23 15:51:03,538 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:51:03,540 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:51:03,542 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:51:03,542 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:51:03,545 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:51:03,546 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:51:03" (1/1) ... [2021-11-23 15:51:03,548 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4bc66f69 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:03, skipping insertion in model container [2021-11-23 15:51:03,549 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:51:03" (1/1) ... [2021-11-23 15:51:03,560 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:51:03,576 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:51:03,751 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:51:03,759 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:51:03,776 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:51:03,790 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:51:03,790 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:03 WrapperNode [2021-11-23 15:51:03,791 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:51:03,792 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:51:03,792 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:51:03,792 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:51:03,800 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:03" (1/1) ... [2021-11-23 15:51:03,811 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:03" (1/1) ... [2021-11-23 15:51:03,847 INFO L137 Inliner]: procedures = 8, calls = 14, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 70 [2021-11-23 15:51:03,848 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:51:03,849 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:51:03,849 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:51:03,849 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:51:03,856 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:03" (1/1) ... [2021-11-23 15:51:03,856 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:03" (1/1) ... [2021-11-23 15:51:03,858 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:03" (1/1) ... [2021-11-23 15:51:03,858 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:03" (1/1) ... [2021-11-23 15:51:03,864 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:03" (1/1) ... [2021-11-23 15:51:03,868 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:03" (1/1) ... [2021-11-23 15:51:03,869 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:03" (1/1) ... [2021-11-23 15:51:03,872 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:51:03,873 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:51:03,873 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:51:03,873 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:51:03,874 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:03" (1/1) ... [2021-11-23 15:51:03,883 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:51:03,898 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_635c7cb0-c60c-4e31-b9ae-e21d80e79ccf/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:51:03,910 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_635c7cb0-c60c-4e31-b9ae-e21d80e79ccf/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:51:03,913 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_635c7cb0-c60c-4e31-b9ae-e21d80e79ccf/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:51:03,947 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 15:51:03,947 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:51:03,947 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:51:03,948 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 15:51:03,948 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 15:51:03,948 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:51:04,009 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:51:04,011 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:51:04,159 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:51:04,186 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 15:51:04,191 INFO L158 Benchmark]: Toolchain (without parser) took 650.04ms. Allocated memory was 96.5MB in the beginning and 125.8MB in the end (delta: 29.4MB). Free memory was 63.3MB in the beginning and 87.0MB in the end (delta: -23.7MB). Peak memory consumption was 3.2MB. Max. memory is 16.1GB. [2021-11-23 15:51:04,192 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 96.5MB. Free memory was 52.5MB in the beginning and 52.4MB in the end (delta: 76.9kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:51:04,193 INFO L158 Benchmark]: CACSL2BoogieTranslator took 248.93ms. Allocated memory was 96.5MB in the beginning and 125.8MB in the end (delta: 29.4MB). Free memory was 63.0MB in the beginning and 101.0MB in the end (delta: -38.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 15:51:04,194 INFO L158 Benchmark]: Boogie Procedure Inliner took 56.11ms. Allocated memory is still 125.8MB. Free memory was 101.0MB in the beginning and 99.6MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:51:04,196 INFO L158 Benchmark]: Boogie Preprocessor took 23.39ms. Allocated memory is still 125.8MB. Free memory was 99.6MB in the beginning and 98.1MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:51:04,197 INFO L158 Benchmark]: RCFGBuilder took 316.40ms. Allocated memory is still 125.8MB. Free memory was 98.1MB in the beginning and 87.0MB in the end (delta: 11.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 15:51:04,201 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 96.5MB. Free memory was 52.5MB in the beginning and 52.4MB in the end (delta: 76.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 248.93ms. Allocated memory was 96.5MB in the beginning and 125.8MB in the end (delta: 29.4MB). Free memory was 63.0MB in the beginning and 101.0MB in the end (delta: -38.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 56.11ms. Allocated memory is still 125.8MB. Free memory was 101.0MB in the beginning and 99.6MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 23.39ms. Allocated memory is still 125.8MB. Free memory was 99.6MB in the beginning and 98.1MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 316.40ms. Allocated memory is still 125.8MB. Free memory was 98.1MB in the beginning and 87.0MB in the end (delta: 11.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 15:51:04,276 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_635c7cb0-c60c-4e31-b9ae-e21d80e79ccf/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_635c7cb0-c60c-4e31-b9ae-e21d80e79ccf/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_635c7cb0-c60c-4e31-b9ae-e21d80e79ccf/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_635c7cb0-c60c-4e31-b9ae-e21d80e79ccf/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_635c7cb0-c60c-4e31-b9ae-e21d80e79ccf/bin/ukojak-CwSLpZB5Qu/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/ArraysOfVariableLength6.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_635c7cb0-c60c-4e31-b9ae-e21d80e79ccf/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_635c7cb0-c60c-4e31-b9ae-e21d80e79ccf/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 6ef2b56a2f4ebf2e6f7f4ededf8760f087ff726b08e36644d8dcb52a8d087cd1 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:51:06,710 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:51:06,714 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:51:06,768 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:51:06,769 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:51:06,774 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:51:06,776 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:51:06,780 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:51:06,784 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:51:06,789 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:51:06,793 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:51:06,795 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:51:06,796 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:51:06,799 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:51:06,801 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:51:06,806 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:51:06,808 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:51:06,809 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:51:06,811 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:51:06,826 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:51:06,828 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:51:06,830 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:51:06,832 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:51:06,835 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:51:06,844 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:51:06,844 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:51:06,845 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:51:06,847 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:51:06,848 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:51:06,849 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:51:06,850 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:51:06,851 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:51:06,853 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:51:06,854 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:51:06,855 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:51:06,856 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:51:06,857 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:51:06,857 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:51:06,857 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:51:06,859 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:51:06,860 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:51:06,865 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_635c7cb0-c60c-4e31-b9ae-e21d80e79ccf/bin/ukojak-CwSLpZB5Qu/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf [2021-11-23 15:51:06,909 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:51:06,909 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:51:06,912 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:51:06,912 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:51:06,913 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:51:06,913 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:51:06,913 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 15:51:06,913 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:51:06,913 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:51:06,914 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:51:06,915 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-23 15:51:06,915 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-23 15:51:06,915 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-23 15:51:06,916 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:51:06,916 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:51:06,916 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:51:06,916 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:51:06,916 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:51:06,917 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:51:06,917 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:51:06,917 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:51:06,917 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:51:06,918 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:51:06,918 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:51:06,918 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:51:06,918 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:51:06,919 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:51:06,919 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:51:06,919 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:51:06,919 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_635c7cb0-c60c-4e31-b9ae-e21d80e79ccf/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_635c7cb0-c60c-4e31-b9ae-e21d80e79ccf/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6ef2b56a2f4ebf2e6f7f4ededf8760f087ff726b08e36644d8dcb52a8d087cd1 [2021-11-23 15:51:07,306 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:51:07,329 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:51:07,332 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:51:07,333 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:51:07,334 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:51:07,336 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_635c7cb0-c60c-4e31-b9ae-e21d80e79ccf/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/ldv-memsafety/ArraysOfVariableLength6.c [2021-11-23 15:51:07,403 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_635c7cb0-c60c-4e31-b9ae-e21d80e79ccf/bin/ukojak-CwSLpZB5Qu/data/6ae413e1c/964f30cc079c439ea9fe29a4eda78377/FLAGaf8070988 [2021-11-23 15:51:07,912 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:51:07,913 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_635c7cb0-c60c-4e31-b9ae-e21d80e79ccf/sv-benchmarks/c/ldv-memsafety/ArraysOfVariableLength6.c [2021-11-23 15:51:07,919 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_635c7cb0-c60c-4e31-b9ae-e21d80e79ccf/bin/ukojak-CwSLpZB5Qu/data/6ae413e1c/964f30cc079c439ea9fe29a4eda78377/FLAGaf8070988 [2021-11-23 15:51:08,300 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_635c7cb0-c60c-4e31-b9ae-e21d80e79ccf/bin/ukojak-CwSLpZB5Qu/data/6ae413e1c/964f30cc079c439ea9fe29a4eda78377 [2021-11-23 15:51:08,303 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:51:08,304 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:51:08,306 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:51:08,306 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:51:08,309 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:51:08,310 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:51:08" (1/1) ... [2021-11-23 15:51:08,311 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@14a3e126 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:08, skipping insertion in model container [2021-11-23 15:51:08,312 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:51:08" (1/1) ... [2021-11-23 15:51:08,319 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:51:08,331 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:51:08,461 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:51:08,471 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:51:08,485 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:51:08,512 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:51:08,513 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:08 WrapperNode [2021-11-23 15:51:08,513 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:51:08,514 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:51:08,515 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:51:08,515 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:51:08,537 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:08" (1/1) ... [2021-11-23 15:51:08,572 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:08" (1/1) ... [2021-11-23 15:51:08,592 INFO L137 Inliner]: procedures = 10, calls = 14, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 69 [2021-11-23 15:51:08,592 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:51:08,593 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:51:08,593 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:51:08,594 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:51:08,602 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:08" (1/1) ... [2021-11-23 15:51:08,602 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:08" (1/1) ... [2021-11-23 15:51:08,605 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:08" (1/1) ... [2021-11-23 15:51:08,606 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:08" (1/1) ... [2021-11-23 15:51:08,613 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:08" (1/1) ... [2021-11-23 15:51:08,618 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:08" (1/1) ... [2021-11-23 15:51:08,628 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:08" (1/1) ... [2021-11-23 15:51:08,631 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:51:08,632 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:51:08,632 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:51:08,632 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:51:08,633 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:51:08" (1/1) ... [2021-11-23 15:51:08,640 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:51:08,652 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_635c7cb0-c60c-4e31-b9ae-e21d80e79ccf/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:51:08,664 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_635c7cb0-c60c-4e31-b9ae-e21d80e79ccf/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:51:08,693 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_635c7cb0-c60c-4e31-b9ae-e21d80e79ccf/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:51:08,711 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-23 15:51:08,711 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-23 15:51:08,712 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:51:08,712 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:51:08,714 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 15:51:08,714 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:51:08,715 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-23 15:51:08,834 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:51:08,835 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:51:09,130 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:51:09,157 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 15:51:09,173 INFO L158 Benchmark]: Toolchain (without parser) took 867.43ms. Allocated memory is still 58.7MB. Free memory was 36.3MB in the beginning and 27.4MB in the end (delta: 8.9MB). Peak memory consumption was 7.4MB. Max. memory is 16.1GB. [2021-11-23 15:51:09,174 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 58.7MB. Free memory was 38.6MB in the beginning and 38.6MB in the end (delta: 42.7kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:51:09,175 INFO L158 Benchmark]: CACSL2BoogieTranslator took 207.52ms. Allocated memory is still 58.7MB. Free memory was 36.1MB in the beginning and 41.9MB in the end (delta: -5.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-23 15:51:09,176 INFO L158 Benchmark]: Boogie Procedure Inliner took 78.27ms. Allocated memory is still 58.7MB. Free memory was 41.9MB in the beginning and 41.1MB in the end (delta: 799.3kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:51:09,177 INFO L158 Benchmark]: Boogie Preprocessor took 38.03ms. Allocated memory is still 58.7MB. Free memory was 41.1MB in the beginning and 39.8MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:51:09,188 INFO L158 Benchmark]: RCFGBuilder took 539.02ms. Allocated memory is still 58.7MB. Free memory was 39.8MB in the beginning and 27.4MB in the end (delta: 12.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-23 15:51:09,192 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 58.7MB. Free memory was 38.6MB in the beginning and 38.6MB in the end (delta: 42.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 207.52ms. Allocated memory is still 58.7MB. Free memory was 36.1MB in the beginning and 41.9MB in the end (delta: -5.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 78.27ms. Allocated memory is still 58.7MB. Free memory was 41.9MB in the beginning and 41.1MB in the end (delta: 799.3kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 38.03ms. Allocated memory is still 58.7MB. Free memory was 41.1MB in the beginning and 39.8MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 539.02ms. Allocated memory is still 58.7MB. Free memory was 39.8MB in the beginning and 27.4MB in the end (delta: 12.4MB). Peak memory consumption was 12.6MB. 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 15:51:09,247 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_635c7cb0-c60c-4e31-b9ae-e21d80e79ccf/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