./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/busybox-1.22.0/who-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-vcloud-master/worker/run_dir_a41731b8-dd0f-4fad-bb3f-43e31201b252/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_a41731b8-dd0f-4fad-bb3f-43e31201b252/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_a41731b8-dd0f-4fad-bb3f-43e31201b252/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_a41731b8-dd0f-4fad-bb3f-43e31201b252/bin/utaipan/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/who-2.i -s /tmp/vcloud-vcloud-master/worker/run_dir_a41731b8-dd0f-4fad-bb3f-43e31201b252/bin/utaipan/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_a41731b8-dd0f-4fad-bb3f-43e31201b252/bin/utaipan --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 2e79e6a5f98cba091bdf5878be39b9841adfd39e ........................................................................................................................................ Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_a41731b8-dd0f-4fad-bb3f-43e31201b252/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_a41731b8-dd0f-4fad-bb3f-43e31201b252/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_a41731b8-dd0f-4fad-bb3f-43e31201b252/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_a41731b8-dd0f-4fad-bb3f-43e31201b252/bin/utaipan/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/who-2.i -s /tmp/vcloud-vcloud-master/worker/run_dir_a41731b8-dd0f-4fad-bb3f-43e31201b252/bin/utaipan/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_a41731b8-dd0f-4fad-bb3f-43e31201b252/bin/utaipan --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 2e79e6a5f98cba091bdf5878be39b9841adfd39e ..................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.2.0-7b2dab5 [2020-12-09 17:09:51,990 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-09 17:09:51,992 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-09 17:09:52,023 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-09 17:09:52,023 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-09 17:09:52,025 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-09 17:09:52,032 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-09 17:09:52,035 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-09 17:09:52,037 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-09 17:09:52,038 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-09 17:09:52,039 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-09 17:09:52,041 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-09 17:09:52,041 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-09 17:09:52,042 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-09 17:09:52,044 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-09 17:09:52,045 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-09 17:09:52,046 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-09 17:09:52,047 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-09 17:09:52,049 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-09 17:09:52,051 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-09 17:09:52,053 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-09 17:09:52,055 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-09 17:09:52,056 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-09 17:09:52,057 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-09 17:09:52,060 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-09 17:09:52,061 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-09 17:09:52,061 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-09 17:09:52,062 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-09 17:09:52,063 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-09 17:09:52,064 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-09 17:09:52,064 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-09 17:09:52,065 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-09 17:09:52,066 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-09 17:09:52,067 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-09 17:09:52,068 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-09 17:09:52,068 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-09 17:09:52,068 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-09 17:09:52,069 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-09 17:09:52,069 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-09 17:09:52,070 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-09 17:09:52,070 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-09 17:09:52,071 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_a41731b8-dd0f-4fad-bb3f-43e31201b252/bin/utaipan/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf [2020-12-09 17:09:52,088 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-09 17:09:52,088 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-09 17:09:52,089 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-09 17:09:52,089 INFO L138 SettingsManager]: * User list type=DISABLED [2020-12-09 17:09:52,089 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-12-09 17:09:52,089 INFO L138 SettingsManager]: * Explicit value domain=true [2020-12-09 17:09:52,089 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-12-09 17:09:52,089 INFO L138 SettingsManager]: * Octagon Domain=false [2020-12-09 17:09:52,089 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-12-09 17:09:52,089 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-12-09 17:09:52,089 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-12-09 17:09:52,090 INFO L138 SettingsManager]: * Interval Domain=false [2020-12-09 17:09:52,090 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-12-09 17:09:52,090 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-12-09 17:09:52,090 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-12-09 17:09:52,090 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-09 17:09:52,091 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-09 17:09:52,091 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-09 17:09:52,091 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-12-09 17:09:52,091 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-09 17:09:52,091 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-09 17:09:52,091 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-12-09 17:09:52,091 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-12-09 17:09:52,091 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-12-09 17:09:52,091 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-09 17:09:52,092 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-12-09 17:09:52,092 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-09 17:09:52,092 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-09 17:09:52,092 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-09 17:09:52,092 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-09 17:09:52,092 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-09 17:09:52,092 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-09 17:09:52,092 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-12-09 17:09:52,093 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-09 17:09:52,093 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-09 17:09:52,093 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-09 17:09:52,093 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-vcloud-master/worker/run_dir_a41731b8-dd0f-4fad-bb3f-43e31201b252/bin/utaipan/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_a41731b8-dd0f-4fad-bb3f-43e31201b252/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2e79e6a5f98cba091bdf5878be39b9841adfd39e [2020-12-09 17:09:52,293 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-09 17:09:52,312 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-09 17:09:52,315 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-09 17:09:52,315 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-09 17:09:52,316 INFO L275 PluginConnector]: CDTParser initialized [2020-12-09 17:09:52,317 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_a41731b8-dd0f-4fad-bb3f-43e31201b252/bin/utaipan/../../sv-benchmarks/c/busybox-1.22.0/who-2.i [2020-12-09 17:09:52,366 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_a41731b8-dd0f-4fad-bb3f-43e31201b252/bin/utaipan/data/5d56504bd/87bdb4b1a2bb42bba4d57714cadbf51d/FLAGec3527520 [2020-12-09 17:09:52,860 INFO L306 CDTParser]: Found 1 translation units. [2020-12-09 17:09:52,860 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_a41731b8-dd0f-4fad-bb3f-43e31201b252/sv-benchmarks/c/busybox-1.22.0/who-2.i [2020-12-09 17:09:52,880 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_a41731b8-dd0f-4fad-bb3f-43e31201b252/bin/utaipan/data/5d56504bd/87bdb4b1a2bb42bba4d57714cadbf51d/FLAGec3527520 [2020-12-09 17:09:53,390 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_a41731b8-dd0f-4fad-bb3f-43e31201b252/bin/utaipan/data/5d56504bd/87bdb4b1a2bb42bba4d57714cadbf51d [2020-12-09 17:09:53,393 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-09 17:09:53,394 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-09 17:09:53,395 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-09 17:09:53,396 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-09 17:09:53,398 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-09 17:09:53,399 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 05:09:53" (1/1) ... [2020-12-09 17:09:53,401 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@459139f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:09:53, skipping insertion in model container [2020-12-09 17:09:53,401 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 05:09:53" (1/1) ... [2020-12-09 17:09:53,407 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-09 17:09:53,463 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-09 17:09:54,324 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_error_msg_and_die [2020-12-09 17:09:54,325 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5bef70e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:09:54, skipping insertion in model container [2020-12-09 17:09:54,325 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-09 17:09:54,325 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-12-09 17:09:54,327 INFO L168 Benchmark]: Toolchain (without parser) took 931.91 ms. Allocated memory is still 113.2 MB. Free memory was 71.0 MB in the beginning and 70.8 MB in the end (delta: 114.2 kB). Peak memory consumption was 10.2 MB. Max. memory is 16.1 GB. [2020-12-09 17:09:54,327 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 113.2 MB. Free memory is still 92.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-09 17:09:54,328 INFO L168 Benchmark]: CACSL2BoogieTranslator took 929.78 ms. Allocated memory is still 113.2 MB. Free memory was 70.7 MB in the beginning and 70.8 MB in the end (delta: -143.2 kB). Peak memory consumption was 10.2 MB. Max. memory is 16.1 GB. [2020-12-09 17:09:54,329 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 113.2 MB. Free memory is still 92.7 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 929.78 ms. Allocated memory is still 113.2 MB. Free memory was 70.7 MB in the beginning and 70.8 MB in the end (delta: -143.2 kB). Peak memory consumption was 10.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2775]: Unsupported Syntax encountered a call to a var args function, var args are not supported at the moment: bb_error_msg_and_die RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-7b2dab5 [2020-12-09 17:09:55,629 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-09 17:09:55,631 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-09 17:09:55,659 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-09 17:09:55,659 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-09 17:09:55,661 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-09 17:09:55,662 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-09 17:09:55,665 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-09 17:09:55,667 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-09 17:09:55,668 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-09 17:09:55,669 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-09 17:09:55,670 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-09 17:09:55,671 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-09 17:09:55,672 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-09 17:09:55,673 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-09 17:09:55,675 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-09 17:09:55,676 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-09 17:09:55,677 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-09 17:09:55,679 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-09 17:09:55,681 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-09 17:09:55,683 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-09 17:09:55,685 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-09 17:09:55,686 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-09 17:09:55,687 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-09 17:09:55,690 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-09 17:09:55,691 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-09 17:09:55,691 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-09 17:09:55,692 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-09 17:09:55,692 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-09 17:09:55,693 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-09 17:09:55,694 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-09 17:09:55,695 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-09 17:09:55,696 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-09 17:09:55,696 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-09 17:09:55,698 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-09 17:09:55,698 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-09 17:09:55,699 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-09 17:09:55,699 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-09 17:09:55,699 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-09 17:09:55,700 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-09 17:09:55,701 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-09 17:09:55,702 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_a41731b8-dd0f-4fad-bb3f-43e31201b252/bin/utaipan/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf [2020-12-09 17:09:55,729 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-09 17:09:55,729 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-09 17:09:55,730 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-09 17:09:55,730 INFO L138 SettingsManager]: * User list type=DISABLED [2020-12-09 17:09:55,730 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-12-09 17:09:55,730 INFO L138 SettingsManager]: * Explicit value domain=true [2020-12-09 17:09:55,731 INFO L138 SettingsManager]: * Octagon Domain=false [2020-12-09 17:09:55,731 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-12-09 17:09:55,731 INFO L138 SettingsManager]: * Interval Domain=false [2020-12-09 17:09:55,732 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-09 17:09:55,732 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-09 17:09:55,732 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-09 17:09:55,732 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-12-09 17:09:55,733 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-09 17:09:55,733 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-09 17:09:55,733 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-12-09 17:09:55,733 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-12-09 17:09:55,733 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-12-09 17:09:55,734 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-09 17:09:55,734 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-12-09 17:09:55,734 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-12-09 17:09:55,734 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-12-09 17:09:55,734 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-09 17:09:55,735 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-09 17:09:55,735 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-09 17:09:55,735 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-09 17:09:55,735 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-09 17:09:55,735 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-09 17:09:55,736 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-09 17:09:55,736 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-12-09 17:09:55,736 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2020-12-09 17:09:55,736 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-09 17:09:55,736 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-09 17:09:55,736 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-vcloud-master/worker/run_dir_a41731b8-dd0f-4fad-bb3f-43e31201b252/bin/utaipan/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_a41731b8-dd0f-4fad-bb3f-43e31201b252/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2e79e6a5f98cba091bdf5878be39b9841adfd39e [2020-12-09 17:09:55,952 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-09 17:09:55,969 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-09 17:09:55,971 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-09 17:09:55,972 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-09 17:09:55,972 INFO L275 PluginConnector]: CDTParser initialized [2020-12-09 17:09:55,973 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_a41731b8-dd0f-4fad-bb3f-43e31201b252/bin/utaipan/../../sv-benchmarks/c/busybox-1.22.0/who-2.i [2020-12-09 17:09:56,015 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_a41731b8-dd0f-4fad-bb3f-43e31201b252/bin/utaipan/data/f00c01e01/75979bb6fcab4b2ea700c125b6fc2cfa/FLAG2dc20756e [2020-12-09 17:09:56,539 INFO L306 CDTParser]: Found 1 translation units. [2020-12-09 17:09:56,540 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_a41731b8-dd0f-4fad-bb3f-43e31201b252/sv-benchmarks/c/busybox-1.22.0/who-2.i [2020-12-09 17:09:56,569 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_a41731b8-dd0f-4fad-bb3f-43e31201b252/bin/utaipan/data/f00c01e01/75979bb6fcab4b2ea700c125b6fc2cfa/FLAG2dc20756e [2020-12-09 17:09:57,066 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_a41731b8-dd0f-4fad-bb3f-43e31201b252/bin/utaipan/data/f00c01e01/75979bb6fcab4b2ea700c125b6fc2cfa [2020-12-09 17:09:57,071 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-09 17:09:57,073 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-09 17:09:57,074 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-09 17:09:57,074 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-09 17:09:57,078 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-09 17:09:57,079 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 05:09:57" (1/1) ... [2020-12-09 17:09:57,081 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7670102c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:09:57, skipping insertion in model container [2020-12-09 17:09:57,081 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 05:09:57" (1/1) ... [2020-12-09 17:09:57,087 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-09 17:09:57,137 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-09 17:09:58,010 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_error_msg_and_die [2020-12-09 17:09:58,011 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@785ec55 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:09:58, skipping insertion in model container [2020-12-09 17:09:58,011 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-09 17:09:58,011 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-12-09 17:09:58,013 INFO L168 Benchmark]: Toolchain (without parser) took 939.51 ms. Allocated memory was 62.9 MB in the beginning and 77.6 MB in the end (delta: 14.7 MB). Free memory was 40.7 MB in the beginning and 43.5 MB in the end (delta: -2.8 MB). Peak memory consumption was 15.8 MB. Max. memory is 16.1 GB. [2020-12-09 17:09:58,013 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 62.9 MB. Free memory is still 45.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-09 17:09:58,014 INFO L168 Benchmark]: CACSL2BoogieTranslator took 937.05 ms. Allocated memory was 62.9 MB in the beginning and 77.6 MB in the end (delta: 14.7 MB). Free memory was 40.5 MB in the beginning and 43.5 MB in the end (delta: -3.0 MB). Peak memory consumption was 15.8 MB. Max. memory is 16.1 GB. [2020-12-09 17:09:58,015 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 62.9 MB. Free memory is still 45.7 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 937.05 ms. Allocated memory was 62.9 MB in the beginning and 77.6 MB in the end (delta: 14.7 MB). Free memory was 40.5 MB in the beginning and 43.5 MB in the end (delta: -3.0 MB). Peak memory consumption was 15.8 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2775]: Unsupported Syntax encountered a call to a var args function, var args are not supported at the moment: bb_error_msg_and_die RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...