./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/memsafety-ext2/optional_data_creation_test04-1.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_2ae38030-c0ff-4a06-8a41-c961772e37e0/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ae38030-c0ff-4a06-8a41-c961772e37e0/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_2ae38030-c0ff-4a06-8a41-c961772e37e0/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ae38030-c0ff-4a06-8a41-c961772e37e0/bin/ukojak-CwSLpZB5Qu/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety-ext2/optional_data_creation_test04-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ae38030-c0ff-4a06-8a41-c961772e37e0/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_2ae38030-c0ff-4a06-8a41-c961772e37e0/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 7408f3b7e084094987873e007e2bbb0a022372240d1ad946af6301d3e9707406 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:30:01,380 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:30:01,384 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:30:01,457 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:30:01,458 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:30:01,463 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:30:01,465 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:30:01,471 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:30:01,475 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:30:01,482 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:30:01,483 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:30:01,486 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:30:01,487 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:30:01,490 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:30:01,493 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:30:01,500 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:30:01,502 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:30:01,504 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:30:01,507 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:30:01,520 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:30:01,522 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:30:01,524 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:30:01,529 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:30:01,530 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:30:01,542 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:30:01,542 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:30:01,543 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:30:01,546 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:30:01,547 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:30:01,549 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:30:01,549 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:30:01,550 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:30:01,553 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:30:01,554 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:30:01,556 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:30:01,557 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:30:01,557 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:30:01,558 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:30:01,558 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:30:01,559 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:30:01,560 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:30:01,562 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ae38030-c0ff-4a06-8a41-c961772e37e0/bin/ukojak-CwSLpZB5Qu/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2021-11-23 15:30:01,621 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:30:01,622 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:30:01,624 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:30:01,625 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:30:01,625 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:30:01,625 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:30:01,626 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 15:30:01,626 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:30:01,634 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:30:01,634 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:30:01,636 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-23 15:30:01,636 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-23 15:30:01,636 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-23 15:30:01,637 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:30:01,637 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:30:01,637 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:30:01,637 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:30:01,638 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:30:01,638 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:30:01,638 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:30:01,638 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:30:01,639 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:30:01,639 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:30:01,639 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:30:01,639 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_2ae38030-c0ff-4a06-8a41-c961772e37e0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ae38030-c0ff-4a06-8a41-c961772e37e0/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7408f3b7e084094987873e007e2bbb0a022372240d1ad946af6301d3e9707406 [2021-11-23 15:30:02,058 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:30:02,085 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:30:02,088 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:30:02,090 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:30:02,091 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:30:02,093 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ae38030-c0ff-4a06-8a41-c961772e37e0/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/memsafety-ext2/optional_data_creation_test04-1.i [2021-11-23 15:30:02,191 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ae38030-c0ff-4a06-8a41-c961772e37e0/bin/ukojak-CwSLpZB5Qu/data/1161c341a/ef9578629eb14e57b9b14536338007eb/FLAG0afcd948b [2021-11-23 15:30:02,909 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:30:02,910 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ae38030-c0ff-4a06-8a41-c961772e37e0/sv-benchmarks/c/memsafety-ext2/optional_data_creation_test04-1.i [2021-11-23 15:30:02,947 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ae38030-c0ff-4a06-8a41-c961772e37e0/bin/ukojak-CwSLpZB5Qu/data/1161c341a/ef9578629eb14e57b9b14536338007eb/FLAG0afcd948b [2021-11-23 15:30:03,119 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ae38030-c0ff-4a06-8a41-c961772e37e0/bin/ukojak-CwSLpZB5Qu/data/1161c341a/ef9578629eb14e57b9b14536338007eb [2021-11-23 15:30:03,123 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:30:03,125 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:30:03,126 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:30:03,127 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:30:03,136 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:30:03,137 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:30:03" (1/1) ... [2021-11-23 15:30:03,140 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e08c254 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:30:03, skipping insertion in model container [2021-11-23 15:30:03,140 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:30:03" (1/1) ... [2021-11-23 15:30:03,149 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:30:03,222 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:30:03,737 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:30:03,751 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:30:03,837 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:30:03,884 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:30:03,885 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:30:03 WrapperNode [2021-11-23 15:30:03,885 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:30:03,887 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:30:03,887 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:30:03,887 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:30:03,897 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:30:03" (1/1) ... [2021-11-23 15:30:03,940 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:30:03" (1/1) ... [2021-11-23 15:30:03,990 INFO L137 Inliner]: procedures = 126, calls = 37, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 114 [2021-11-23 15:30:03,990 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:30:03,992 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:30:03,992 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:30:03,992 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:30:04,004 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:30:03" (1/1) ... [2021-11-23 15:30:04,006 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:30:03" (1/1) ... [2021-11-23 15:30:04,025 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:30:03" (1/1) ... [2021-11-23 15:30:04,025 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:30:03" (1/1) ... [2021-11-23 15:30:04,036 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:30:03" (1/1) ... [2021-11-23 15:30:04,054 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:30:03" (1/1) ... [2021-11-23 15:30:04,056 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:30:03" (1/1) ... [2021-11-23 15:30:04,060 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:30:04,061 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:30:04,061 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:30:04,062 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:30:04,075 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:30:03" (1/1) ... [2021-11-23 15:30:04,085 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:30:04,100 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ae38030-c0ff-4a06-8a41-c961772e37e0/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:30:04,149 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ae38030-c0ff-4a06-8a41-c961772e37e0/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:30:04,186 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ae38030-c0ff-4a06-8a41-c961772e37e0/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:30:04,231 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 15:30:04,231 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 15:30:04,231 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:30:04,232 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 15:30:04,232 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 15:30:04,233 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 15:30:04,234 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:30:04,234 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-23 15:30:04,235 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:30:04,236 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:30:04,236 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:30:04,441 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:30:04,443 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:30:05,002 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:30:05,053 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$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 15:30:05,065 INFO L158 Benchmark]: Toolchain (without parser) took 1939.01ms. Allocated memory is still 107.0MB. Free memory was 84.8MB in the beginning and 66.6MB in the end (delta: 18.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2021-11-23 15:30:05,067 INFO L158 Benchmark]: CDTParser took 0.42ms. Allocated memory is still 81.8MB. Free memory was 55.3MB in the beginning and 55.3MB in the end (delta: 40.8kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:30:05,069 INFO L158 Benchmark]: CACSL2BoogieTranslator took 759.36ms. Allocated memory is still 107.0MB. Free memory was 84.8MB in the beginning and 67.6MB in the end (delta: 17.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2021-11-23 15:30:05,071 INFO L158 Benchmark]: Boogie Procedure Inliner took 104.09ms. Allocated memory is still 107.0MB. Free memory was 67.6MB in the beginning and 65.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:30:05,073 INFO L158 Benchmark]: Boogie Preprocessor took 68.46ms. Allocated memory is still 107.0MB. Free memory was 65.5MB in the beginning and 63.8MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:30:05,074 INFO L158 Benchmark]: RCFGBuilder took 1001.25ms. Allocated memory is still 107.0MB. Free memory was 63.8MB in the beginning and 66.6MB in the end (delta: -2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 15:30:05,084 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.42ms. Allocated memory is still 81.8MB. Free memory was 55.3MB in the beginning and 55.3MB in the end (delta: 40.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 759.36ms. Allocated memory is still 107.0MB. Free memory was 84.8MB in the beginning and 67.6MB in the end (delta: 17.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 104.09ms. Allocated memory is still 107.0MB. Free memory was 67.6MB in the beginning and 65.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 68.46ms. Allocated memory is still 107.0MB. Free memory was 65.5MB in the beginning and 63.8MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1001.25ms. Allocated memory is still 107.0MB. Free memory was 63.8MB in the beginning and 66.6MB in the end (delta: -2.8MB). Peak memory consumption was 4.2MB. 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 15:30:05,150 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ae38030-c0ff-4a06-8a41-c961772e37e0/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_2ae38030-c0ff-4a06-8a41-c961772e37e0/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ae38030-c0ff-4a06-8a41-c961772e37e0/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_2ae38030-c0ff-4a06-8a41-c961772e37e0/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ae38030-c0ff-4a06-8a41-c961772e37e0/bin/ukojak-CwSLpZB5Qu/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety-ext2/optional_data_creation_test04-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ae38030-c0ff-4a06-8a41-c961772e37e0/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_2ae38030-c0ff-4a06-8a41-c961772e37e0/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 7408f3b7e084094987873e007e2bbb0a022372240d1ad946af6301d3e9707406 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:30:08,226 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:30:08,230 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:30:08,299 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:30:08,300 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:30:08,306 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:30:08,309 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:30:08,315 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:30:08,320 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:30:08,329 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:30:08,334 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:30:08,336 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:30:08,337 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:30:08,338 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:30:08,340 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:30:08,342 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:30:08,343 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:30:08,345 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:30:08,351 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:30:08,360 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:30:08,362 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:30:08,369 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:30:08,374 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:30:08,375 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:30:08,380 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:30:08,380 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:30:08,381 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:30:08,382 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:30:08,389 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:30:08,390 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:30:08,391 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:30:08,392 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:30:08,394 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:30:08,395 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:30:08,398 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:30:08,398 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:30:08,399 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:30:08,399 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:30:08,400 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:30:08,402 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:30:08,404 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:30:08,405 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ae38030-c0ff-4a06-8a41-c961772e37e0/bin/ukojak-CwSLpZB5Qu/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Bitvector.epf [2021-11-23 15:30:08,472 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:30:08,473 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:30:08,474 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:30:08,475 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:30:08,475 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:30:08,476 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:30:08,476 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 15:30:08,476 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:30:08,476 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:30:08,477 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:30:08,477 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-23 15:30:08,477 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-23 15:30:08,478 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-23 15:30:08,478 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:30:08,478 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:30:08,478 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:30:08,479 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:30:08,479 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:30:08,479 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:30:08,480 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:30:08,480 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:30:08,480 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:30:08,481 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:30:08,481 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:30:08,481 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:30:08,481 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:30:08,482 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:30:08,482 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:30:08,482 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:30:08,483 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_2ae38030-c0ff-4a06-8a41-c961772e37e0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ae38030-c0ff-4a06-8a41-c961772e37e0/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7408f3b7e084094987873e007e2bbb0a022372240d1ad946af6301d3e9707406 [2021-11-23 15:30:08,909 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:30:08,934 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:30:08,938 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:30:08,939 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:30:08,940 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:30:08,942 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ae38030-c0ff-4a06-8a41-c961772e37e0/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/memsafety-ext2/optional_data_creation_test04-1.i [2021-11-23 15:30:09,019 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ae38030-c0ff-4a06-8a41-c961772e37e0/bin/ukojak-CwSLpZB5Qu/data/a2239e2b7/9a1b6d073bcf42cfa192242bb82cf43c/FLAGa4010b18e [2021-11-23 15:30:09,819 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:30:09,822 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ae38030-c0ff-4a06-8a41-c961772e37e0/sv-benchmarks/c/memsafety-ext2/optional_data_creation_test04-1.i [2021-11-23 15:30:09,844 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ae38030-c0ff-4a06-8a41-c961772e37e0/bin/ukojak-CwSLpZB5Qu/data/a2239e2b7/9a1b6d073bcf42cfa192242bb82cf43c/FLAGa4010b18e [2021-11-23 15:30:10,022 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ae38030-c0ff-4a06-8a41-c961772e37e0/bin/ukojak-CwSLpZB5Qu/data/a2239e2b7/9a1b6d073bcf42cfa192242bb82cf43c [2021-11-23 15:30:10,028 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:30:10,031 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:30:10,036 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:30:10,036 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:30:10,040 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:30:10,041 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:30:10" (1/1) ... [2021-11-23 15:30:10,044 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2553be2b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:30:10, skipping insertion in model container [2021-11-23 15:30:10,044 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:30:10" (1/1) ... [2021-11-23 15:30:10,054 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:30:10,120 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:30:10,528 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:30:10,544 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-23 15:30:10,551 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:30:10,596 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:30:10,611 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:30:10,704 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:30:10,760 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:30:10,761 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:30:10 WrapperNode [2021-11-23 15:30:10,761 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:30:10,763 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:30:10,765 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:30:10,765 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:30:10,774 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:30:10" (1/1) ... [2021-11-23 15:30:10,817 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:30:10" (1/1) ... [2021-11-23 15:30:10,870 INFO L137 Inliner]: procedures = 129, calls = 37, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 110 [2021-11-23 15:30:10,871 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:30:10,873 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:30:10,873 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:30:10,873 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:30:10,884 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:30:10" (1/1) ... [2021-11-23 15:30:10,885 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:30:10" (1/1) ... [2021-11-23 15:30:10,904 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:30:10" (1/1) ... [2021-11-23 15:30:10,906 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:30:10" (1/1) ... [2021-11-23 15:30:10,932 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:30:10" (1/1) ... [2021-11-23 15:30:10,940 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:30:10" (1/1) ... [2021-11-23 15:30:10,944 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:30:10" (1/1) ... [2021-11-23 15:30:10,960 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:30:10,961 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:30:10,961 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:30:10,962 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:30:10,963 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:30:10" (1/1) ... [2021-11-23 15:30:10,980 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:30:10,995 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ae38030-c0ff-4a06-8a41-c961772e37e0/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:30:11,016 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ae38030-c0ff-4a06-8a41-c961772e37e0/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:30:11,039 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ae38030-c0ff-4a06-8a41-c961772e37e0/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:30:11,081 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 15:30:11,083 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:30:11,083 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 15:30:11,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 15:30:11,083 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 15:30:11,084 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:30:11,084 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-23 15:30:11,084 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-23 15:30:11,084 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:30:11,085 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:30:11,085 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:30:11,274 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:30:11,276 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:30:11,900 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:30:11,937 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$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 15:30:11,943 INFO L158 Benchmark]: Toolchain (without parser) took 1910.49ms. Allocated memory is still 71.3MB. Free memory was 54.2MB in the beginning and 41.3MB in the end (delta: 12.9MB). Peak memory consumption was 26.4MB. Max. memory is 16.1GB. [2021-11-23 15:30:11,943 INFO L158 Benchmark]: CDTParser took 0.43ms. Allocated memory is still 71.3MB. Free memory is still 52.7MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:30:11,944 INFO L158 Benchmark]: CACSL2BoogieTranslator took 725.80ms. Allocated memory is still 71.3MB. Free memory was 54.0MB in the beginning and 44.3MB in the end (delta: 9.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-23 15:30:11,945 INFO L158 Benchmark]: Boogie Procedure Inliner took 108.90ms. Allocated memory is still 71.3MB. Free memory was 44.3MB in the beginning and 42.0MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:30:11,946 INFO L158 Benchmark]: Boogie Preprocessor took 87.56ms. Allocated memory is still 71.3MB. Free memory was 42.0MB in the beginning and 40.2MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:30:11,947 INFO L158 Benchmark]: RCFGBuilder took 979.33ms. Allocated memory is still 71.3MB. Free memory was 40.2MB in the beginning and 41.3MB in the end (delta: -1.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-11-23 15:30:11,952 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.43ms. Allocated memory is still 71.3MB. Free memory is still 52.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 725.80ms. Allocated memory is still 71.3MB. Free memory was 54.0MB in the beginning and 44.3MB in the end (delta: 9.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 108.90ms. Allocated memory is still 71.3MB. Free memory was 44.3MB in the beginning and 42.0MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 87.56ms. Allocated memory is still 71.3MB. Free memory was 42.0MB in the beginning and 40.2MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 979.33ms. Allocated memory is still 71.3MB. Free memory was 40.2MB in the beginning and 41.3MB in the end (delta: -1.1MB). Peak memory consumption was 14.7MB. 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 15:30:12,029 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ae38030-c0ff-4a06-8a41-c961772e37e0/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with 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