./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/busybox-1.22.0/basename-2.i --full-output --architecture 64bit -------------------------------------------------------------------------------- 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_7c6b5b0d-9dab-41d7-9045-0c9638c34731/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c6b5b0d-9dab-41d7-9045-0c9638c34731/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_7c6b5b0d-9dab-41d7-9045-0c9638c34731/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c6b5b0d-9dab-41d7-9045-0c9638c34731/bin/ukojak-CwSLpZB5Qu/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/basename-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c6b5b0d-9dab-41d7-9045-0c9638c34731/bin/ukojak-CwSLpZB5Qu/config/svcomp-DerefFreeMemtrack-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c6b5b0d-9dab-41d7-9045-0c9638c34731/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 64bit --witnessprinter.graph.data.programhash c899d9f75a53a80fe85551911016ababc48d03a22c1656000243377f27dbc4c0 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:04:45,809 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:04:45,811 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:04:45,859 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:04:45,859 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:04:45,861 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:04:45,863 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:04:45,865 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:04:45,867 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:04:45,869 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:04:45,870 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:04:45,871 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:04:45,872 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:04:45,873 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:04:45,875 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:04:45,877 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:04:45,878 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:04:45,879 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:04:45,881 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:04:45,884 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:04:45,886 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:04:45,887 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:04:45,889 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:04:45,895 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:04:45,899 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:04:45,902 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:04:45,903 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:04:45,904 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:04:45,906 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:04:45,907 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:04:45,908 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:04:45,910 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:04:45,911 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:04:45,912 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:04:45,914 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:04:45,918 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:04:45,920 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:04:45,920 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:04:45,920 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:04:45,921 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:04:45,922 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:04:45,923 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c6b5b0d-9dab-41d7-9045-0c9638c34731/bin/ukojak-CwSLpZB5Qu/config/svcomp-DerefFreeMemtrack-64bit-Kojak_Default.epf [2021-11-23 15:04:45,967 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:04:45,969 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:04:45,971 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:04:45,971 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:04:45,972 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:04:45,972 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 15:04:45,972 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:04:45,972 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:04:45,972 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-23 15:04:45,973 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-23 15:04:45,974 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-23 15:04:45,974 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:04:45,974 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:04:45,975 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:04:45,975 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:04:45,975 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:04:45,975 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:04:45,976 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:04:45,976 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:04:45,976 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:04:45,976 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:04:45,976 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_7c6b5b0d-9dab-41d7-9045-0c9638c34731/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c6b5b0d-9dab-41d7-9045-0c9638c34731/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c899d9f75a53a80fe85551911016ababc48d03a22c1656000243377f27dbc4c0 [2021-11-23 15:04:46,248 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:04:46,295 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:04:46,298 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:04:46,299 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:04:46,300 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:04:46,302 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c6b5b0d-9dab-41d7-9045-0c9638c34731/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/busybox-1.22.0/basename-2.i [2021-11-23 15:04:46,367 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c6b5b0d-9dab-41d7-9045-0c9638c34731/bin/ukojak-CwSLpZB5Qu/data/29a8e5146/e38dfce7a9ea403bae867c3635dbe6fd/FLAG93b7a8cd3 [2021-11-23 15:04:46,966 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:04:46,967 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c6b5b0d-9dab-41d7-9045-0c9638c34731/sv-benchmarks/c/busybox-1.22.0/basename-2.i [2021-11-23 15:04:46,997 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c6b5b0d-9dab-41d7-9045-0c9638c34731/bin/ukojak-CwSLpZB5Qu/data/29a8e5146/e38dfce7a9ea403bae867c3635dbe6fd/FLAG93b7a8cd3 [2021-11-23 15:04:47,220 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c6b5b0d-9dab-41d7-9045-0c9638c34731/bin/ukojak-CwSLpZB5Qu/data/29a8e5146/e38dfce7a9ea403bae867c3635dbe6fd [2021-11-23 15:04:47,227 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:04:47,228 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:04:47,230 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:04:47,230 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:04:47,233 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:04:47,234 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:04:47" (1/1) ... [2021-11-23 15:04:47,235 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@45c53299 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:47, skipping insertion in model container [2021-11-23 15:04:47,235 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:04:47" (1/1) ... [2021-11-23 15:04:47,243 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:04:47,302 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:04:48,113 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c6b5b0d-9dab-41d7-9045-0c9638c34731/sv-benchmarks/c/busybox-1.22.0/basename-2.i[58078,58091] [2021-11-23 15:04:48,183 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:04:48,196 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:04:48,249 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c6b5b0d-9dab-41d7-9045-0c9638c34731/sv-benchmarks/c/busybox-1.22.0/basename-2.i[58078,58091] [2021-11-23 15:04:48,284 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:04:48,371 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:04:48,371 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:48 WrapperNode [2021-11-23 15:04:48,371 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:04:48,372 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:04:48,373 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:04:48,373 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:04:48,380 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:48" (1/1) ... [2021-11-23 15:04:48,414 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:48" (1/1) ... [2021-11-23 15:04:48,463 INFO L137 Inliner]: procedures = 347, calls = 114, calls flagged for inlining = 16, calls inlined = 11, statements flattened = 400 [2021-11-23 15:04:48,464 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:04:48,465 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:04:48,465 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:04:48,465 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:04:48,482 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:48" (1/1) ... [2021-11-23 15:04:48,482 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:48" (1/1) ... [2021-11-23 15:04:48,491 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:48" (1/1) ... [2021-11-23 15:04:48,492 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:48" (1/1) ... [2021-11-23 15:04:48,516 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:48" (1/1) ... [2021-11-23 15:04:48,530 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:48" (1/1) ... [2021-11-23 15:04:48,537 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:48" (1/1) ... [2021-11-23 15:04:48,559 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:04:48,560 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:04:48,560 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:04:48,560 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:04:48,561 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:48" (1/1) ... [2021-11-23 15:04:48,581 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:04:48,592 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c6b5b0d-9dab-41d7-9045-0c9638c34731/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:04:48,604 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c6b5b0d-9dab-41d7-9045-0c9638c34731/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:04:48,628 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c6b5b0d-9dab-41d7-9045-0c9638c34731/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:04:48,660 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 15:04:48,660 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:04:48,661 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 15:04:48,661 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 15:04:48,661 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 15:04:48,661 INFO L130 BoogieDeclarations]: Found specification of procedure strrchr [2021-11-23 15:04:48,662 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:04:48,663 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 15:04:48,663 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:04:48,663 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:04:48,665 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:04:49,076 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:04:49,081 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:04:49,654 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:04:49,701 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.addBranchEncoders(TransFormulaBuilder.java:170) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.parallelComposition(TransFormulaUtils.java:337) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.ParallelComposition.(ParallelComposition.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CodeBlockFactory.constructParallelComposition(CodeBlockFactory.java:109) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.composeParallel(CfgBuilder.java:1792) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.(CfgBuilder.java:1653) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:280) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 15:04:49,705 INFO L158 Benchmark]: Toolchain (without parser) took 2476.27ms. Allocated memory was 90.2MB in the beginning and 117.4MB in the end (delta: 27.3MB). Free memory was 51.3MB in the beginning and 51.6MB in the end (delta: -274.8kB). Peak memory consumption was 27.1MB. Max. memory is 16.1GB. [2021-11-23 15:04:49,706 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 90.2MB. Free memory is still 70.2MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:04:49,707 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1142.15ms. Allocated memory was 90.2MB in the beginning and 117.4MB in the end (delta: 27.3MB). Free memory was 51.1MB in the beginning and 59.5MB in the end (delta: -8.4MB). Peak memory consumption was 19.1MB. Max. memory is 16.1GB. [2021-11-23 15:04:49,708 INFO L158 Benchmark]: Boogie Procedure Inliner took 91.72ms. Allocated memory is still 117.4MB. Free memory was 59.1MB in the beginning and 54.9MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 15:04:49,708 INFO L158 Benchmark]: Boogie Preprocessor took 94.21ms. Allocated memory is still 117.4MB. Free memory was 54.9MB in the beginning and 91.4MB in the end (delta: -36.5MB). Peak memory consumption was 9.9MB. Max. memory is 16.1GB. [2021-11-23 15:04:49,709 INFO L158 Benchmark]: RCFGBuilder took 1143.79ms. Allocated memory is still 117.4MB. Free memory was 91.4MB in the beginning and 51.6MB in the end (delta: 39.8MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. [2021-11-23 15:04:49,712 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 90.2MB. Free memory is still 70.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1142.15ms. Allocated memory was 90.2MB in the beginning and 117.4MB in the end (delta: 27.3MB). Free memory was 51.1MB in the beginning and 59.5MB in the end (delta: -8.4MB). Peak memory consumption was 19.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 91.72ms. Allocated memory is still 117.4MB. Free memory was 59.1MB in the beginning and 54.9MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 94.21ms. Allocated memory is still 117.4MB. Free memory was 54.9MB in the beginning and 91.4MB in the end (delta: -36.5MB). Peak memory consumption was 9.9MB. Max. memory is 16.1GB. * RCFGBuilder took 1143.79ms. Allocated memory is still 117.4MB. Free memory was 91.4MB in the beginning and 51.6MB in the end (delta: 39.8MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 15:04:49,755 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c6b5b0d-9dab-41d7-9045-0c9638c34731/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_7c6b5b0d-9dab-41d7-9045-0c9638c34731/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c6b5b0d-9dab-41d7-9045-0c9638c34731/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_7c6b5b0d-9dab-41d7-9045-0c9638c34731/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c6b5b0d-9dab-41d7-9045-0c9638c34731/bin/ukojak-CwSLpZB5Qu/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/basename-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c6b5b0d-9dab-41d7-9045-0c9638c34731/bin/ukojak-CwSLpZB5Qu/config/svcomp-DerefFreeMemtrack-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c6b5b0d-9dab-41d7-9045-0c9638c34731/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 64bit --witnessprinter.graph.data.programhash c899d9f75a53a80fe85551911016ababc48d03a22c1656000243377f27dbc4c0 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:04:52,098 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:04:52,101 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:04:52,155 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:04:52,156 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:04:52,160 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:04:52,163 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:04:52,171 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:04:52,175 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:04:52,180 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:04:52,184 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:04:52,186 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:04:52,186 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:04:52,189 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:04:52,191 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:04:52,193 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:04:52,195 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:04:52,198 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:04:52,204 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:04:52,211 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:04:52,212 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:04:52,214 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:04:52,218 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:04:52,220 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:04:52,231 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:04:52,231 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:04:52,232 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:04:52,233 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:04:52,233 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:04:52,234 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:04:52,235 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:04:52,236 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:04:52,237 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:04:52,237 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:04:52,239 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:04:52,239 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:04:52,240 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:04:52,240 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:04:52,259 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:04:52,261 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:04:52,263 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:04:52,266 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c6b5b0d-9dab-41d7-9045-0c9638c34731/bin/ukojak-CwSLpZB5Qu/config/svcomp-DerefFreeMemtrack-64bit-Kojak_Bitvector.epf [2021-11-23 15:04:52,320 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:04:52,320 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:04:52,323 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:04:52,323 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:04:52,324 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:04:52,324 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 15:04:52,324 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:04:52,324 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:04:52,325 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-23 15:04:52,325 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-23 15:04:52,326 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-23 15:04:52,327 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:04:52,327 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:04:52,327 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:04:52,327 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:04:52,328 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:04:52,328 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:04:52,328 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:04:52,328 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:04:52,329 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:04:52,329 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:04:52,329 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:04:52,329 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:04:52,330 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:04:52,330 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:04:52,330 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:04:52,330 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_7c6b5b0d-9dab-41d7-9045-0c9638c34731/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c6b5b0d-9dab-41d7-9045-0c9638c34731/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c899d9f75a53a80fe85551911016ababc48d03a22c1656000243377f27dbc4c0 [2021-11-23 15:04:52,691 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:04:52,721 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:04:52,724 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:04:52,725 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:04:52,726 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:04:52,727 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c6b5b0d-9dab-41d7-9045-0c9638c34731/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/busybox-1.22.0/basename-2.i [2021-11-23 15:04:52,791 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c6b5b0d-9dab-41d7-9045-0c9638c34731/bin/ukojak-CwSLpZB5Qu/data/3d9f3f9b5/adf52f5945cc474383e0275e9383c345/FLAG84aadb4ed [2021-11-23 15:04:53,378 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:04:53,379 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c6b5b0d-9dab-41d7-9045-0c9638c34731/sv-benchmarks/c/busybox-1.22.0/basename-2.i [2021-11-23 15:04:53,409 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c6b5b0d-9dab-41d7-9045-0c9638c34731/bin/ukojak-CwSLpZB5Qu/data/3d9f3f9b5/adf52f5945cc474383e0275e9383c345/FLAG84aadb4ed [2021-11-23 15:04:53,640 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c6b5b0d-9dab-41d7-9045-0c9638c34731/bin/ukojak-CwSLpZB5Qu/data/3d9f3f9b5/adf52f5945cc474383e0275e9383c345 [2021-11-23 15:04:53,643 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:04:53,644 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:04:53,647 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:04:53,647 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:04:53,651 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:04:53,652 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:04:53" (1/1) ... [2021-11-23 15:04:53,655 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2eb7bb06 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:53, skipping insertion in model container [2021-11-23 15:04:53,655 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:04:53" (1/1) ... [2021-11-23 15:04:53,662 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:04:53,754 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:04:54,559 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c6b5b0d-9dab-41d7-9045-0c9638c34731/sv-benchmarks/c/busybox-1.22.0/basename-2.i[58078,58091] [2021-11-23 15:04:54,633 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:04:54,646 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-11-23 15:04:54,660 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:04:54,699 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c6b5b0d-9dab-41d7-9045-0c9638c34731/sv-benchmarks/c/busybox-1.22.0/basename-2.i[58078,58091] [2021-11-23 15:04:54,760 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:04:54,772 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:04:54,836 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c6b5b0d-9dab-41d7-9045-0c9638c34731/sv-benchmarks/c/busybox-1.22.0/basename-2.i[58078,58091] [2021-11-23 15:04:54,867 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:04:54,990 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:04:54,991 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:54 WrapperNode [2021-11-23 15:04:54,991 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:04:54,992 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:04:54,992 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:04:54,992 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:04:54,999 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:54" (1/1) ... [2021-11-23 15:04:55,064 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:54" (1/1) ... [2021-11-23 15:04:55,112 INFO L137 Inliner]: procedures = 353, calls = 114, calls flagged for inlining = 16, calls inlined = 11, statements flattened = 392 [2021-11-23 15:04:55,112 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:04:55,113 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:04:55,113 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:04:55,113 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:04:55,122 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:54" (1/1) ... [2021-11-23 15:04:55,122 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:54" (1/1) ... [2021-11-23 15:04:55,130 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:54" (1/1) ... [2021-11-23 15:04:55,130 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:54" (1/1) ... [2021-11-23 15:04:55,157 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:54" (1/1) ... [2021-11-23 15:04:55,163 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:54" (1/1) ... [2021-11-23 15:04:55,172 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:54" (1/1) ... [2021-11-23 15:04:55,190 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:04:55,191 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:04:55,191 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:04:55,192 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:04:55,192 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:04:54" (1/1) ... [2021-11-23 15:04:55,199 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:04:55,215 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c6b5b0d-9dab-41d7-9045-0c9638c34731/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:04:55,240 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c6b5b0d-9dab-41d7-9045-0c9638c34731/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:04:55,269 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c6b5b0d-9dab-41d7-9045-0c9638c34731/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:04:55,285 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-11-23 15:04:55,285 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-23 15:04:55,286 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 15:04:55,286 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-11-23 15:04:55,286 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:04:55,286 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-23 15:04:55,286 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:04:55,287 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-23 15:04:55,287 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 15:04:55,287 INFO L130 BoogieDeclarations]: Found specification of procedure strrchr [2021-11-23 15:04:55,287 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:04:55,287 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 15:04:55,287 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:04:55,288 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:04:55,630 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:04:55,632 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:04:57,110 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:04:57,188 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.addBranchEncoders(TransFormulaBuilder.java:170) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.parallelComposition(TransFormulaUtils.java:337) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.ParallelComposition.(ParallelComposition.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CodeBlockFactory.constructParallelComposition(CodeBlockFactory.java:109) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.composeParallel(CfgBuilder.java:1792) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder$LargeBlockEncoding.(CfgBuilder.java:1653) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:280) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 15:04:57,196 INFO L158 Benchmark]: Toolchain (without parser) took 3549.35ms. Allocated memory was 56.6MB in the beginning and 92.3MB in the end (delta: 35.7MB). Free memory was 32.4MB in the beginning and 59.1MB in the end (delta: -26.7MB). Peak memory consumption was 29.2MB. Max. memory is 16.1GB. [2021-11-23 15:04:57,197 INFO L158 Benchmark]: CDTParser took 0.59ms. Allocated memory is still 56.6MB. Free memory is still 37.5MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:04:57,199 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1344.47ms. Allocated memory was 56.6MB in the beginning and 75.5MB in the end (delta: 18.9MB). Free memory was 32.2MB in the beginning and 32.1MB in the end (delta: 46.4kB). Peak memory consumption was 22.3MB. Max. memory is 16.1GB. [2021-11-23 15:04:57,200 INFO L158 Benchmark]: Boogie Procedure Inliner took 120.19ms. Allocated memory is still 75.5MB. Free memory was 32.1MB in the beginning and 50.0MB in the end (delta: -17.9MB). Peak memory consumption was 4.8MB. Max. memory is 16.1GB. [2021-11-23 15:04:57,201 INFO L158 Benchmark]: Boogie Preprocessor took 77.45ms. Allocated memory is still 75.5MB. Free memory was 50.0MB in the beginning and 45.4MB in the end (delta: 4.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 15:04:57,201 INFO L158 Benchmark]: RCFGBuilder took 2001.46ms. Allocated memory was 75.5MB in the beginning and 92.3MB in the end (delta: 16.8MB). Free memory was 45.4MB in the beginning and 59.1MB in the end (delta: -13.6MB). Peak memory consumption was 23.0MB. Max. memory is 16.1GB. [2021-11-23 15:04:57,210 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.59ms. Allocated memory is still 56.6MB. Free memory is still 37.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1344.47ms. Allocated memory was 56.6MB in the beginning and 75.5MB in the end (delta: 18.9MB). Free memory was 32.2MB in the beginning and 32.1MB in the end (delta: 46.4kB). Peak memory consumption was 22.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 120.19ms. Allocated memory is still 75.5MB. Free memory was 32.1MB in the beginning and 50.0MB in the end (delta: -17.9MB). Peak memory consumption was 4.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 77.45ms. Allocated memory is still 75.5MB. Free memory was 50.0MB in the beginning and 45.4MB in the end (delta: 4.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 2001.46ms. Allocated memory was 75.5MB in the beginning and 92.3MB in the end (delta: 16.8MB). Free memory was 45.4MB in the beginning and 59.1MB in the end (delta: -13.6MB). Peak memory consumption was 23.0MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.addAll(ImmutableSet.java:313) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 15:04:57,271 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c6b5b0d-9dab-41d7-9045-0c9638c34731/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