./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/busybox-1.22.0/expand-2.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 7b2dab56 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_354d1fbd-18d9-404f-b63e-8c25881ef2e0/bin/utaipan-WLngWcDbfI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_354d1fbd-18d9-404f-b63e-8c25881ef2e0/bin/utaipan-WLngWcDbfI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_354d1fbd-18d9-404f-b63e-8c25881ef2e0/bin/utaipan-WLngWcDbfI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_354d1fbd-18d9-404f-b63e-8c25881ef2e0/bin/utaipan-WLngWcDbfI/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/expand-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_354d1fbd-18d9-404f-b63e-8c25881ef2e0/bin/utaipan-WLngWcDbfI/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_354d1fbd-18d9-404f-b63e-8c25881ef2e0/bin/utaipan-WLngWcDbfI --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 Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 79fa1dd2429b579130ba2962571ac2d8152c8e35 ......................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_354d1fbd-18d9-404f-b63e-8c25881ef2e0/bin/utaipan-WLngWcDbfI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_354d1fbd-18d9-404f-b63e-8c25881ef2e0/bin/utaipan-WLngWcDbfI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_354d1fbd-18d9-404f-b63e-8c25881ef2e0/bin/utaipan-WLngWcDbfI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_354d1fbd-18d9-404f-b63e-8c25881ef2e0/bin/utaipan-WLngWcDbfI/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/expand-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_354d1fbd-18d9-404f-b63e-8c25881ef2e0/bin/utaipan-WLngWcDbfI/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_354d1fbd-18d9-404f-b63e-8c25881ef2e0/bin/utaipan-WLngWcDbfI --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 Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 79fa1dd2429b579130ba2962571ac2d8152c8e35 ...................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.2.0-7b2dab5 [2021-10-11 02:26:12,254 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 02:26:12,257 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 02:26:12,310 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 02:26:12,310 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 02:26:12,312 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 02:26:12,314 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 02:26:12,317 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 02:26:12,319 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 02:26:12,321 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 02:26:12,322 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 02:26:12,324 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 02:26:12,324 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 02:26:12,326 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 02:26:12,327 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 02:26:12,329 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 02:26:12,330 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 02:26:12,332 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 02:26:12,334 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 02:26:12,337 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 02:26:12,339 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 02:26:12,348 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 02:26:12,350 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 02:26:12,351 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 02:26:12,355 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 02:26:12,355 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 02:26:12,356 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 02:26:12,357 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 02:26:12,358 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 02:26:12,359 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 02:26:12,360 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 02:26:12,361 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 02:26:12,362 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 02:26:12,363 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 02:26:12,365 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 02:26:12,365 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 02:26:12,366 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 02:26:12,367 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 02:26:12,367 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 02:26:12,369 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 02:26:12,370 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 02:26:12,377 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_354d1fbd-18d9-404f-b63e-8c25881ef2e0/bin/utaipan-WLngWcDbfI/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf [2021-10-11 02:26:12,410 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 02:26:12,411 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 02:26:12,412 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-11 02:26:12,412 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-11 02:26:12,412 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-11 02:26:12,413 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-11 02:26:12,413 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-11 02:26:12,413 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-11 02:26:12,414 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-11 02:26:12,414 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-11 02:26:12,414 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-11 02:26:12,415 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-11 02:26:12,415 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-11 02:26:12,415 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-11 02:26:12,416 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-11 02:26:12,416 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-11 02:26:12,417 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-11 02:26:12,417 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 02:26:12,417 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-11 02:26:12,418 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 02:26:12,418 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 02:26:12,418 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-11 02:26:12,419 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-11 02:26:12,419 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-11 02:26:12,419 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 02:26:12,420 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-11 02:26:12,420 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 02:26:12,420 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 02:26:12,421 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 02:26:12,422 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:26:12,422 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 02:26:12,423 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 02:26:12,423 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-11 02:26:12,423 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-11 02:26:12,424 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 02:26:12,424 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 02:26:12,425 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_354d1fbd-18d9-404f-b63e-8c25881ef2e0/bin/utaipan-WLngWcDbfI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_354d1fbd-18d9-404f-b63e-8c25881ef2e0/bin/utaipan-WLngWcDbfI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 79fa1dd2429b579130ba2962571ac2d8152c8e35 [2021-10-11 02:26:12,695 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 02:26:12,737 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 02:26:12,739 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 02:26:12,741 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 02:26:12,741 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 02:26:12,742 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_354d1fbd-18d9-404f-b63e-8c25881ef2e0/bin/utaipan-WLngWcDbfI/../../sv-benchmarks/c/busybox-1.22.0/expand-2.i [2021-10-11 02:26:12,821 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_354d1fbd-18d9-404f-b63e-8c25881ef2e0/bin/utaipan-WLngWcDbfI/data/15f994872/e5c29d839cf54c758991b9be9ad7faeb/FLAG6ddf86e4e [2021-10-11 02:26:13,595 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 02:26:13,596 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_354d1fbd-18d9-404f-b63e-8c25881ef2e0/sv-benchmarks/c/busybox-1.22.0/expand-2.i [2021-10-11 02:26:13,637 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_354d1fbd-18d9-404f-b63e-8c25881ef2e0/bin/utaipan-WLngWcDbfI/data/15f994872/e5c29d839cf54c758991b9be9ad7faeb/FLAG6ddf86e4e [2021-10-11 02:26:14,151 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_354d1fbd-18d9-404f-b63e-8c25881ef2e0/bin/utaipan-WLngWcDbfI/data/15f994872/e5c29d839cf54c758991b9be9ad7faeb [2021-10-11 02:26:14,153 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 02:26:14,155 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 02:26:14,157 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 02:26:14,157 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 02:26:14,160 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 02:26:14,161 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:26:14" (1/1) ... [2021-10-11 02:26:14,163 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3bd9efda and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:26:14, skipping insertion in model container [2021-10-11 02:26:14,164 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:26:14" (1/1) ... [2021-10-11 02:26:14,171 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 02:26:14,251 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:26:15,639 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg [2021-10-11 02:26:15,640 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@4ea7033a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:26:15, skipping insertion in model container [2021-10-11 02:26:15,640 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 02:26:15,640 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-11 02:26:15,642 INFO L168 Benchmark]: Toolchain (without parser) took 1486.36 ms. Allocated memory is still 104.9 MB. Free memory was 69.9 MB in the beginning and 62.1 MB in the end (delta: 7.8 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-10-11 02:26:15,643 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 104.9 MB. Free memory is still 60.8 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:26:15,644 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1483.61 ms. Allocated memory is still 104.9 MB. Free memory was 69.6 MB in the beginning and 62.1 MB in the end (delta: 7.5 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-10-11 02:26:15,646 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 104.9 MB. Free memory is still 60.8 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1483.61 ms. Allocated memory is still 104.9 MB. Free memory was 69.6 MB in the beginning and 62.1 MB in the end (delta: 7.5 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2334]: Unsupported Syntax encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-7b2dab5 [2021-10-11 02:26:17,863 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 02:26:17,866 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 02:26:17,921 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 02:26:17,922 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 02:26:17,926 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 02:26:17,929 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 02:26:17,934 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 02:26:17,937 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 02:26:17,945 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 02:26:17,949 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 02:26:17,950 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 02:26:17,950 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 02:26:17,952 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 02:26:17,953 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 02:26:17,954 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 02:26:17,955 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 02:26:17,956 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 02:26:17,958 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 02:26:17,960 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 02:26:17,962 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 02:26:17,964 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 02:26:17,965 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 02:26:17,966 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 02:26:17,969 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 02:26:17,970 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 02:26:17,970 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 02:26:17,971 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 02:26:17,972 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 02:26:17,973 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 02:26:17,974 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 02:26:17,975 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 02:26:17,976 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 02:26:17,977 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 02:26:17,978 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 02:26:17,978 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 02:26:17,979 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 02:26:17,979 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 02:26:17,980 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 02:26:17,981 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 02:26:17,982 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 02:26:17,983 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_354d1fbd-18d9-404f-b63e-8c25881ef2e0/bin/utaipan-WLngWcDbfI/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf [2021-10-11 02:26:18,008 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 02:26:18,009 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 02:26:18,010 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-11 02:26:18,010 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-11 02:26:18,010 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-11 02:26:18,010 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-11 02:26:18,011 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-11 02:26:18,011 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-11 02:26:18,011 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-11 02:26:18,012 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-11 02:26:18,012 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-11 02:26:18,012 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 02:26:18,012 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-11 02:26:18,013 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 02:26:18,013 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 02:26:18,013 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-11 02:26:18,013 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-11 02:26:18,013 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-11 02:26:18,014 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 02:26:18,014 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-11 02:26:18,014 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-11 02:26:18,014 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-11 02:26:18,014 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 02:26:18,015 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 02:26:18,015 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-11 02:26:18,015 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 02:26:18,015 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:26:18,015 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 02:26:18,015 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 02:26:18,016 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-11 02:26:18,016 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-11 02:26:18,016 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 02:26:18,016 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 02:26:18,016 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_354d1fbd-18d9-404f-b63e-8c25881ef2e0/bin/utaipan-WLngWcDbfI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_354d1fbd-18d9-404f-b63e-8c25881ef2e0/bin/utaipan-WLngWcDbfI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 79fa1dd2429b579130ba2962571ac2d8152c8e35 [2021-10-11 02:26:18,377 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 02:26:18,406 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 02:26:18,409 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 02:26:18,412 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 02:26:18,412 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 02:26:18,413 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_354d1fbd-18d9-404f-b63e-8c25881ef2e0/bin/utaipan-WLngWcDbfI/../../sv-benchmarks/c/busybox-1.22.0/expand-2.i [2021-10-11 02:26:18,486 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_354d1fbd-18d9-404f-b63e-8c25881ef2e0/bin/utaipan-WLngWcDbfI/data/a5069a09f/952efc72bec94fbda3357d3ae66bedf1/FLAG1da6217e2 [2021-10-11 02:26:19,377 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 02:26:19,378 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_354d1fbd-18d9-404f-b63e-8c25881ef2e0/sv-benchmarks/c/busybox-1.22.0/expand-2.i [2021-10-11 02:26:19,413 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_354d1fbd-18d9-404f-b63e-8c25881ef2e0/bin/utaipan-WLngWcDbfI/data/a5069a09f/952efc72bec94fbda3357d3ae66bedf1/FLAG1da6217e2 [2021-10-11 02:26:19,914 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_354d1fbd-18d9-404f-b63e-8c25881ef2e0/bin/utaipan-WLngWcDbfI/data/a5069a09f/952efc72bec94fbda3357d3ae66bedf1 [2021-10-11 02:26:19,916 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 02:26:19,919 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 02:26:19,921 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 02:26:19,921 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 02:26:19,925 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 02:26:19,925 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:26:19" (1/1) ... [2021-10-11 02:26:19,927 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@681f874d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:26:19, skipping insertion in model container [2021-10-11 02:26:19,928 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:26:19" (1/1) ... [2021-10-11 02:26:19,935 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 02:26:20,059 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:26:21,344 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg [2021-10-11 02:26:21,345 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@4fcc50b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:26:21, skipping insertion in model container [2021-10-11 02:26:21,345 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 02:26:21,345 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-11 02:26:21,347 INFO L168 Benchmark]: Toolchain (without parser) took 1427.25 ms. Allocated memory is still 73.4 MB. Free memory was 45.8 MB in the beginning and 39.3 MB in the end (delta: 6.5 MB). Peak memory consumption was 11.9 MB. Max. memory is 16.1 GB. [2021-10-11 02:26:21,348 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 52.4 MB. Free memory was 33.0 MB in the beginning and 33.0 MB in the end (delta: 41.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:26:21,349 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1424.42 ms. Allocated memory is still 73.4 MB. Free memory was 45.6 MB in the beginning and 39.3 MB in the end (delta: 6.3 MB). Peak memory consumption was 11.9 MB. Max. memory is 16.1 GB. [2021-10-11 02:26:21,351 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 52.4 MB. Free memory was 33.0 MB in the beginning and 33.0 MB in the end (delta: 41.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1424.42 ms. Allocated memory is still 73.4 MB. Free memory was 45.6 MB in the beginning and 39.3 MB in the end (delta: 6.3 MB). Peak memory consumption was 11.9 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2334]: Unsupported Syntax encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...