./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 7b2dab56 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_634b9fef-a1f8-44d7-b966-cbeb16392bd6/bin/utaipan-WLngWcDbfI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_634b9fef-a1f8-44d7-b966-cbeb16392bd6/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_634b9fef-a1f8-44d7-b966-cbeb16392bd6/bin/utaipan-WLngWcDbfI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_634b9fef-a1f8-44d7-b966-cbeb16392bd6/bin/utaipan-WLngWcDbfI/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/chgrp-incomplete-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_634b9fef-a1f8-44d7-b966-cbeb16392bd6/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_634b9fef-a1f8-44d7-b966-cbeb16392bd6/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 572b8de07d1f821f0da98e07dc076c6e731e73f0 ......................................................................................................................................... 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_634b9fef-a1f8-44d7-b966-cbeb16392bd6/bin/utaipan-WLngWcDbfI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_634b9fef-a1f8-44d7-b966-cbeb16392bd6/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_634b9fef-a1f8-44d7-b966-cbeb16392bd6/bin/utaipan-WLngWcDbfI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_634b9fef-a1f8-44d7-b966-cbeb16392bd6/bin/utaipan-WLngWcDbfI/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/chgrp-incomplete-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_634b9fef-a1f8-44d7-b966-cbeb16392bd6/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_634b9fef-a1f8-44d7-b966-cbeb16392bd6/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 572b8de07d1f821f0da98e07dc076c6e731e73f0 ...................................................................................................................................... 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 02:25:48,992 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 02:25:48,996 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 02:25:49,035 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 02:25:49,036 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 02:25:49,037 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 02:25:49,039 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 02:25:49,042 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 02:25:49,044 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 02:25:49,045 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 02:25:49,046 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 02:25:49,048 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 02:25:49,049 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 02:25:49,050 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 02:25:49,051 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 02:25:49,053 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 02:25:49,054 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 02:25:49,056 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 02:25:49,058 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 02:25:49,067 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 02:25:49,069 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 02:25:49,076 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 02:25:49,077 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 02:25:49,078 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 02:25:49,082 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 02:25:49,084 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 02:25:49,085 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 02:25:49,086 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 02:25:49,088 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 02:25:49,089 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 02:25:49,090 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 02:25:49,091 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 02:25:49,093 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 02:25:49,095 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 02:25:49,097 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 02:25:49,097 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 02:25:49,098 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 02:25:49,098 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 02:25:49,099 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 02:25:49,100 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 02:25:49,100 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 02:25:49,102 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_634b9fef-a1f8-44d7-b966-cbeb16392bd6/bin/utaipan-WLngWcDbfI/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf [2021-10-11 02:25:49,141 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 02:25:49,142 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 02:25:49,143 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-11 02:25:49,143 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-11 02:25:49,143 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-11 02:25:49,143 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-11 02:25:49,144 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-11 02:25:49,144 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-11 02:25:49,144 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-11 02:25:49,144 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-11 02:25:49,145 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-11 02:25:49,145 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-11 02:25:49,145 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-11 02:25:49,145 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-11 02:25:49,145 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-11 02:25:49,146 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-11 02:25:49,146 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-11 02:25:49,147 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 02:25:49,147 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-11 02:25:49,147 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 02:25:49,147 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 02:25:49,148 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-11 02:25:49,148 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-11 02:25:49,148 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-11 02:25:49,148 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 02:25:49,149 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-11 02:25:49,149 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 02:25:49,149 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 02:25:49,149 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 02:25:49,150 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:25:49,150 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 02:25:49,150 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 02:25:49,150 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-11 02:25:49,150 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-11 02:25:49,151 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 02:25:49,151 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 02:25:49,151 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_634b9fef-a1f8-44d7-b966-cbeb16392bd6/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_634b9fef-a1f8-44d7-b966-cbeb16392bd6/bin/utaipan-WLngWcDbfI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 572b8de07d1f821f0da98e07dc076c6e731e73f0 [2021-10-11 02:25:49,382 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 02:25:49,409 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 02:25:49,412 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 02:25:49,414 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 02:25:49,415 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 02:25:49,416 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_634b9fef-a1f8-44d7-b966-cbeb16392bd6/bin/utaipan-WLngWcDbfI/../../sv-benchmarks/c/busybox-1.22.0/chgrp-incomplete-1.i [2021-10-11 02:25:49,504 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_634b9fef-a1f8-44d7-b966-cbeb16392bd6/bin/utaipan-WLngWcDbfI/data/ba49af244/55e2adb0030e48b5a6a6f559b879c516/FLAG772e15280 [2021-10-11 02:25:50,268 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 02:25:50,271 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_634b9fef-a1f8-44d7-b966-cbeb16392bd6/sv-benchmarks/c/busybox-1.22.0/chgrp-incomplete-1.i [2021-10-11 02:25:50,308 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_634b9fef-a1f8-44d7-b966-cbeb16392bd6/bin/utaipan-WLngWcDbfI/data/ba49af244/55e2adb0030e48b5a6a6f559b879c516/FLAG772e15280 [2021-10-11 02:25:50,389 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_634b9fef-a1f8-44d7-b966-cbeb16392bd6/bin/utaipan-WLngWcDbfI/data/ba49af244/55e2adb0030e48b5a6a6f559b879c516 [2021-10-11 02:25:50,391 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 02:25:50,393 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 02:25:50,397 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 02:25:50,397 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 02:25:50,401 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 02:25:50,402 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:25:50" (1/1) ... [2021-10-11 02:25:50,404 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6101be4c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:25:50, skipping insertion in model container [2021-10-11 02:25:50,404 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:25:50" (1/1) ... [2021-10-11 02:25:50,412 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 02:25:50,485 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:25:51,477 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: xasprintf [2021-10-11 02:25:51,478 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@739458b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:25:51, skipping insertion in model container [2021-10-11 02:25:51,478 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 02:25:51,479 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-11 02:25:51,481 INFO L168 Benchmark]: Toolchain (without parser) took 1086.64 ms. Allocated memory is still 144.7 MB. Free memory was 103.7 MB in the beginning and 107.3 MB in the end (delta: -3.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-11 02:25:51,482 INFO L168 Benchmark]: CDTParser took 0.34 ms. Allocated memory is still 144.7 MB. Free memory was 116.2 MB in the beginning and 116.1 MB in the end (delta: 31.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:25:51,483 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1081.74 ms. Allocated memory is still 144.7 MB. Free memory was 103.5 MB in the beginning and 107.3 MB in the end (delta: -3.9 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-11 02:25:51,485 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34 ms. Allocated memory is still 144.7 MB. Free memory was 116.2 MB in the beginning and 116.1 MB in the end (delta: 31.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1081.74 ms. Allocated memory is still 144.7 MB. Free memory was 103.5 MB in the beginning and 107.3 MB in the end (delta: -3.9 MB). Peak memory consumption was 12.6 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 0.2.0-7b2dab5 [2021-10-11 02:25:53,772 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 02:25:53,775 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 02:25:53,831 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 02:25:53,832 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 02:25:53,837 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 02:25:53,839 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 02:25:53,844 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 02:25:53,847 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 02:25:53,853 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 02:25:53,857 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 02:25:53,858 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 02:25:53,858 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 02:25:53,861 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 02:25:53,863 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 02:25:53,865 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 02:25:53,866 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 02:25:53,870 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 02:25:53,872 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 02:25:53,881 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 02:25:53,883 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 02:25:53,885 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 02:25:53,887 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 02:25:53,890 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 02:25:53,899 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 02:25:53,900 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 02:25:53,900 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 02:25:53,903 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 02:25:53,903 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 02:25:53,904 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 02:25:53,905 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 02:25:53,906 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 02:25:53,908 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 02:25:53,909 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 02:25:53,910 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 02:25:53,911 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 02:25:53,924 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 02:25:53,924 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 02:25:53,924 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 02:25:53,926 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 02:25:53,927 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 02:25:53,928 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_634b9fef-a1f8-44d7-b966-cbeb16392bd6/bin/utaipan-WLngWcDbfI/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf [2021-10-11 02:25:53,974 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 02:25:53,975 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 02:25:53,976 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-11 02:25:53,977 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-11 02:25:53,977 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-11 02:25:53,977 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-11 02:25:53,977 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-11 02:25:53,978 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-11 02:25:53,978 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-11 02:25:53,979 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-11 02:25:53,981 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-11 02:25:53,981 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 02:25:53,981 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-11 02:25:53,981 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 02:25:53,982 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 02:25:53,982 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-11 02:25:53,982 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-11 02:25:53,982 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-11 02:25:53,983 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 02:25:53,983 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-11 02:25:53,983 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-11 02:25:53,983 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-11 02:25:53,983 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 02:25:53,984 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 02:25:53,984 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-11 02:25:53,984 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 02:25:53,984 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:25:53,985 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 02:25:53,985 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 02:25:53,985 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-11 02:25:53,985 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-11 02:25:53,986 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 02:25:53,986 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 02:25:53,986 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_634b9fef-a1f8-44d7-b966-cbeb16392bd6/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_634b9fef-a1f8-44d7-b966-cbeb16392bd6/bin/utaipan-WLngWcDbfI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 572b8de07d1f821f0da98e07dc076c6e731e73f0 [2021-10-11 02:25:54,377 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 02:25:54,403 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 02:25:54,407 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 02:25:54,409 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 02:25:54,410 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 02:25:54,411 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_634b9fef-a1f8-44d7-b966-cbeb16392bd6/bin/utaipan-WLngWcDbfI/../../sv-benchmarks/c/busybox-1.22.0/chgrp-incomplete-1.i [2021-10-11 02:25:54,489 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_634b9fef-a1f8-44d7-b966-cbeb16392bd6/bin/utaipan-WLngWcDbfI/data/9d9732bdd/266117f5792740759f12ab18a8a68f86/FLAG848cadd99 [2021-10-11 02:25:55,336 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 02:25:55,337 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_634b9fef-a1f8-44d7-b966-cbeb16392bd6/sv-benchmarks/c/busybox-1.22.0/chgrp-incomplete-1.i [2021-10-11 02:25:55,371 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_634b9fef-a1f8-44d7-b966-cbeb16392bd6/bin/utaipan-WLngWcDbfI/data/9d9732bdd/266117f5792740759f12ab18a8a68f86/FLAG848cadd99 [2021-10-11 02:25:55,445 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_634b9fef-a1f8-44d7-b966-cbeb16392bd6/bin/utaipan-WLngWcDbfI/data/9d9732bdd/266117f5792740759f12ab18a8a68f86 [2021-10-11 02:25:55,448 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 02:25:55,449 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 02:25:55,454 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 02:25:55,454 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 02:25:55,458 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 02:25:55,459 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:25:55" (1/1) ... [2021-10-11 02:25:55,461 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53d4dfac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:25:55, skipping insertion in model container [2021-10-11 02:25:55,462 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:25:55" (1/1) ... [2021-10-11 02:25:55,479 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 02:25:55,565 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:25:56,710 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: xasprintf [2021-10-11 02:25:56,711 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@14da575e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:25:56, skipping insertion in model container [2021-10-11 02:25:56,711 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 02:25:56,711 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-11 02:25:56,714 INFO L168 Benchmark]: Toolchain (without parser) took 1263.31 ms. Allocated memory is still 54.5 MB. Free memory was 26.8 MB in the beginning and 25.7 MB in the end (delta: 1.1 MB). Peak memory consumption was 4.7 MB. Max. memory is 16.1 GB. [2021-10-11 02:25:56,714 INFO L168 Benchmark]: CDTParser took 0.33 ms. Allocated memory is still 54.5 MB. Free memory was 35.1 MB in the beginning and 35.0 MB in the end (delta: 36.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:25:56,715 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1257.25 ms. Allocated memory is still 54.5 MB. Free memory was 26.6 MB in the beginning and 25.8 MB in the end (delta: 801.7 kB). Peak memory consumption was 4.7 MB. Max. memory is 16.1 GB. [2021-10-11 02:25:56,717 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33 ms. Allocated memory is still 54.5 MB. Free memory was 35.1 MB in the beginning and 35.0 MB in the end (delta: 36.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1257.25 ms. Allocated memory is still 54.5 MB. Free memory was 26.6 MB in the beginning and 25.8 MB in the end (delta: 801.7 kB). Peak memory consumption was 4.7 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...