./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/busybox-1.22.0/chgrp-incomplete-1.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_108fc2c7-e618-481c-986a-5fe41ba7c6e3/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_108fc2c7-e618-481c-986a-5fe41ba7c6e3/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_108fc2c7-e618-481c-986a-5fe41ba7c6e3/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_108fc2c7-e618-481c-986a-5fe41ba7c6e3/bin/utaipan/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/chgrp-incomplete-1.i -s /tmp/vcloud-vcloud-master/worker/run_dir_108fc2c7-e618-481c-986a-5fe41ba7c6e3/bin/utaipan/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_108fc2c7-e618-481c-986a-5fe41ba7c6e3/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 572b8de07d1f821f0da98e07dc076c6e731e73f0 .......................................................................................................................................... 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_108fc2c7-e618-481c-986a-5fe41ba7c6e3/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_108fc2c7-e618-481c-986a-5fe41ba7c6e3/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_108fc2c7-e618-481c-986a-5fe41ba7c6e3/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_108fc2c7-e618-481c-986a-5fe41ba7c6e3/bin/utaipan/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/chgrp-incomplete-1.i -s /tmp/vcloud-vcloud-master/worker/run_dir_108fc2c7-e618-481c-986a-5fe41ba7c6e3/bin/utaipan/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_108fc2c7-e618-481c-986a-5fe41ba7c6e3/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 572b8de07d1f821f0da98e07dc076c6e731e73f0 ....................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-28 07:41:32,736 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 07:41:32,752 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 07:41:32,825 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 07:41:32,826 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 07:41:32,832 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 07:41:32,836 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 07:41:32,844 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 07:41:32,847 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 07:41:32,855 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 07:41:32,856 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 07:41:32,859 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 07:41:32,859 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 07:41:32,863 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 07:41:32,865 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 07:41:32,867 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 07:41:32,869 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 07:41:32,873 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 07:41:32,877 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 07:41:32,884 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 07:41:32,886 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 07:41:32,888 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 07:41:32,890 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 07:41:32,892 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 07:41:32,897 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 07:41:32,897 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 07:41:32,898 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 07:41:32,900 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 07:41:32,901 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 07:41:32,902 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 07:41:32,902 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 07:41:32,904 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 07:41:32,906 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 07:41:32,907 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 07:41:32,909 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 07:41:32,909 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 07:41:32,910 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 07:41:32,911 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 07:41:32,911 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 07:41:32,912 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 07:41:32,913 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 07:41:32,915 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_108fc2c7-e618-481c-986a-5fe41ba7c6e3/bin/utaipan/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf [2020-11-28 07:41:32,961 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 07:41:32,962 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 07:41:32,963 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-28 07:41:32,963 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-28 07:41:32,963 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-28 07:41:32,964 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-28 07:41:32,964 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-11-28 07:41:32,964 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-28 07:41:32,964 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-28 07:41:32,965 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-11-28 07:41:32,966 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-11-28 07:41:32,966 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-28 07:41:32,966 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-11-28 07:41:32,967 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-11-28 07:41:32,967 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-11-28 07:41:32,967 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 07:41:32,968 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 07:41:32,968 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 07:41:32,968 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-28 07:41:32,969 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 07:41:32,969 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 07:41:32,969 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-11-28 07:41:32,969 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-11-28 07:41:32,970 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-11-28 07:41:32,970 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 07:41:32,970 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-28 07:41:32,970 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 07:41:32,971 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 07:41:32,971 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 07:41:32,971 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-28 07:41:32,971 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 07:41:32,972 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 07:41:32,972 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 07:41:32,972 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-11-28 07:41:32,973 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 07:41:32,973 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 07:41:32,973 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-28 07:41:32,973 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_108fc2c7-e618-481c-986a-5fe41ba7c6e3/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_108fc2c7-e618-481c-986a-5fe41ba7c6e3/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 572b8de07d1f821f0da98e07dc076c6e731e73f0 [2020-11-28 07:41:33,239 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 07:41:33,269 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 07:41:33,272 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 07:41:33,273 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 07:41:33,277 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 07:41:33,279 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_108fc2c7-e618-481c-986a-5fe41ba7c6e3/bin/utaipan/../../sv-benchmarks/c/busybox-1.22.0/chgrp-incomplete-1.i [2020-11-28 07:41:33,362 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_108fc2c7-e618-481c-986a-5fe41ba7c6e3/bin/utaipan/data/ff1203aed/8adab68d44144994a1f681d71ec55ec1/FLAG8c4b18dfa [2020-11-28 07:41:34,107 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 07:41:34,107 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_108fc2c7-e618-481c-986a-5fe41ba7c6e3/sv-benchmarks/c/busybox-1.22.0/chgrp-incomplete-1.i [2020-11-28 07:41:34,144 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_108fc2c7-e618-481c-986a-5fe41ba7c6e3/bin/utaipan/data/ff1203aed/8adab68d44144994a1f681d71ec55ec1/FLAG8c4b18dfa [2020-11-28 07:41:34,257 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_108fc2c7-e618-481c-986a-5fe41ba7c6e3/bin/utaipan/data/ff1203aed/8adab68d44144994a1f681d71ec55ec1 [2020-11-28 07:41:34,261 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 07:41:34,263 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 07:41:34,266 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 07:41:34,266 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 07:41:34,269 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 07:41:34,271 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 07:41:34" (1/1) ... [2020-11-28 07:41:34,274 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@45972c7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:41:34, skipping insertion in model container [2020-11-28 07:41:34,274 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 07:41:34" (1/1) ... [2020-11-28 07:41:34,281 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 07:41:34,364 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 07:41:35,450 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: xasprintf [2020-11-28 07:41:35,451 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@15e150a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:41:35, skipping insertion in model container [2020-11-28 07:41:35,451 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 07:41:35,451 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-11-28 07:41:35,454 INFO L168 Benchmark]: Toolchain (without parser) took 1189.20 ms. Allocated memory was 90.2 MB in the beginning and 119.5 MB in the end (delta: 29.4 MB). Free memory was 55.7 MB in the beginning and 85.1 MB in the end (delta: -29.4 MB). Peak memory consumption was 11.0 MB. Max. memory is 16.1 GB. [2020-11-28 07:41:35,454 INFO L168 Benchmark]: CDTParser took 0.32 ms. Allocated memory is still 90.2 MB. Free memory is still 49.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 07:41:35,456 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1185.64 ms. Allocated memory was 90.2 MB in the beginning and 119.5 MB in the end (delta: 29.4 MB). Free memory was 55.6 MB in the beginning and 85.1 MB in the end (delta: -29.6 MB). Peak memory consumption was 11.0 MB. Max. memory is 16.1 GB. [2020-11-28 07:41:35,458 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32 ms. Allocated memory is still 90.2 MB. Free memory is still 49.0 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1185.64 ms. Allocated memory was 90.2 MB in the beginning and 119.5 MB in the end (delta: 29.4 MB). Free memory was 55.6 MB in the beginning and 85.1 MB in the end (delta: -29.6 MB). Peak memory consumption was 11.0 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2344]: Unsupported Syntax encountered a call to a var args function, var args are not supported at the moment: xasprintf RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-a4ecdab [2020-11-28 07:41:37,662 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 07:41:37,664 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 07:41:37,705 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 07:41:37,706 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 07:41:37,711 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 07:41:37,714 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 07:41:37,718 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 07:41:37,723 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 07:41:37,730 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 07:41:37,732 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 07:41:37,744 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 07:41:37,745 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 07:41:37,746 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 07:41:37,747 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 07:41:37,748 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 07:41:37,749 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 07:41:37,751 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 07:41:37,753 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 07:41:37,755 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 07:41:37,760 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 07:41:37,762 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 07:41:37,766 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 07:41:37,768 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 07:41:37,771 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 07:41:37,771 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 07:41:37,772 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 07:41:37,773 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 07:41:37,774 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 07:41:37,775 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 07:41:37,775 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 07:41:37,776 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 07:41:37,777 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 07:41:37,778 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 07:41:37,779 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 07:41:37,780 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 07:41:37,781 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 07:41:37,781 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 07:41:37,782 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 07:41:37,783 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 07:41:37,783 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 07:41:37,784 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_108fc2c7-e618-481c-986a-5fe41ba7c6e3/bin/utaipan/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf [2020-11-28 07:41:37,831 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 07:41:37,831 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 07:41:37,832 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-28 07:41:37,833 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-28 07:41:37,833 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-28 07:41:37,833 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-28 07:41:37,833 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-28 07:41:37,834 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-28 07:41:37,834 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-28 07:41:37,835 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 07:41:37,835 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 07:41:37,835 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 07:41:37,835 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-28 07:41:37,836 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 07:41:37,836 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 07:41:37,836 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-11-28 07:41:37,836 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-11-28 07:41:37,837 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-11-28 07:41:37,837 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 07:41:37,837 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-28 07:41:37,837 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-11-28 07:41:37,838 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-11-28 07:41:37,838 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 07:41:37,838 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 07:41:37,838 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-28 07:41:37,838 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 07:41:37,839 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-28 07:41:37,839 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 07:41:37,839 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 07:41:37,839 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 07:41:37,840 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-11-28 07:41:37,840 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-11-28 07:41:37,840 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 07:41:37,840 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-28 07:41:37,841 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_108fc2c7-e618-481c-986a-5fe41ba7c6e3/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_108fc2c7-e618-481c-986a-5fe41ba7c6e3/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 572b8de07d1f821f0da98e07dc076c6e731e73f0 [2020-11-28 07:41:38,201 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 07:41:38,230 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 07:41:38,234 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 07:41:38,236 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 07:41:38,236 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 07:41:38,237 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_108fc2c7-e618-481c-986a-5fe41ba7c6e3/bin/utaipan/../../sv-benchmarks/c/busybox-1.22.0/chgrp-incomplete-1.i [2020-11-28 07:41:38,312 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_108fc2c7-e618-481c-986a-5fe41ba7c6e3/bin/utaipan/data/540ef7a03/9cb43128d9834009ab0a608520f3203c/FLAGd844ebff9 [2020-11-28 07:41:39,135 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 07:41:39,136 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_108fc2c7-e618-481c-986a-5fe41ba7c6e3/sv-benchmarks/c/busybox-1.22.0/chgrp-incomplete-1.i [2020-11-28 07:41:39,168 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_108fc2c7-e618-481c-986a-5fe41ba7c6e3/bin/utaipan/data/540ef7a03/9cb43128d9834009ab0a608520f3203c/FLAGd844ebff9 [2020-11-28 07:41:39,248 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_108fc2c7-e618-481c-986a-5fe41ba7c6e3/bin/utaipan/data/540ef7a03/9cb43128d9834009ab0a608520f3203c [2020-11-28 07:41:39,251 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 07:41:39,252 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 07:41:39,254 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 07:41:39,254 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 07:41:39,266 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 07:41:39,267 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 07:41:39" (1/1) ... [2020-11-28 07:41:39,269 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7fd2f723 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:41:39, skipping insertion in model container [2020-11-28 07:41:39,269 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 07:41:39" (1/1) ... [2020-11-28 07:41:39,277 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 07:41:39,369 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 07:41:40,420 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: xasprintf [2020-11-28 07:41:40,420 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@26ee869d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:41:40, skipping insertion in model container [2020-11-28 07:41:40,421 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 07:41:40,421 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-11-28 07:41:40,424 INFO L168 Benchmark]: Toolchain (without parser) took 1169.82 ms. Allocated memory was 56.6 MB in the beginning and 73.4 MB in the end (delta: 16.8 MB). Free memory was 30.5 MB in the beginning and 45.1 MB in the end (delta: -14.5 MB). Peak memory consumption was 13.5 MB. Max. memory is 16.1 GB. [2020-11-28 07:41:40,424 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 56.6 MB. Free memory was 38.3 MB in the beginning and 38.3 MB in the end (delta: 29.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 07:41:40,426 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1167.50 ms. Allocated memory was 56.6 MB in the beginning and 73.4 MB in the end (delta: 16.8 MB). Free memory was 30.3 MB in the beginning and 45.1 MB in the end (delta: -14.8 MB). Peak memory consumption was 13.5 MB. Max. memory is 16.1 GB. [2020-11-28 07:41:40,427 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 56.6 MB. Free memory was 38.3 MB in the beginning and 38.3 MB in the end (delta: 29.3 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1167.50 ms. Allocated memory was 56.6 MB in the beginning and 73.4 MB in the end (delta: 16.8 MB). Free memory was 30.3 MB in the beginning and 45.1 MB in the end (delta: -14.8 MB). Peak memory consumption was 13.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2344]: Unsupported Syntax encountered a call to a var args function, var args are not supported at the moment: xasprintf RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...