./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_d8af6ebd-6486-4c92-8b2d-c9fc8957618c/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_d8af6ebd-6486-4c92-8b2d-c9fc8957618c/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_d8af6ebd-6486-4c92-8b2d-c9fc8957618c/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_d8af6ebd-6486-4c92-8b2d-c9fc8957618c/bin/uautomizer/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/chgrp-incomplete-1.i -s /tmp/vcloud-vcloud-master/worker/run_dir_d8af6ebd-6486-4c92-8b2d-c9fc8957618c/bin/uautomizer/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_d8af6ebd-6486-4c92-8b2d-c9fc8957618c/bin/uautomizer --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 Automizer --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_d8af6ebd-6486-4c92-8b2d-c9fc8957618c/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_d8af6ebd-6486-4c92-8b2d-c9fc8957618c/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_d8af6ebd-6486-4c92-8b2d-c9fc8957618c/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_d8af6ebd-6486-4c92-8b2d-c9fc8957618c/bin/uautomizer/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/chgrp-incomplete-1.i -s /tmp/vcloud-vcloud-master/worker/run_dir_d8af6ebd-6486-4c92-8b2d-c9fc8957618c/bin/uautomizer/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_d8af6ebd-6486-4c92-8b2d-c9fc8957618c/bin/uautomizer --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 Automizer --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 03:04:12,044 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 03:04:12,046 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 03:04:12,132 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 03:04:12,135 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 03:04:12,137 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 03:04:12,140 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 03:04:12,146 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 03:04:12,150 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 03:04:12,152 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 03:04:12,153 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 03:04:12,155 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 03:04:12,157 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 03:04:12,162 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 03:04:12,164 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 03:04:12,166 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 03:04:12,169 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 03:04:12,175 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 03:04:12,177 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 03:04:12,179 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 03:04:12,181 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 03:04:12,183 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 03:04:12,184 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 03:04:12,185 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 03:04:12,189 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 03:04:12,189 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 03:04:12,189 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 03:04:12,191 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 03:04:12,191 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 03:04:12,192 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 03:04:12,193 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 03:04:12,194 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 03:04:12,195 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 03:04:12,195 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 03:04:12,197 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 03:04:12,197 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 03:04:12,198 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 03:04:12,199 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 03:04:12,199 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 03:04:12,200 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 03:04:12,201 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 03:04:12,203 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_d8af6ebd-6486-4c92-8b2d-c9fc8957618c/bin/uautomizer/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Default.epf [2020-11-28 03:04:12,227 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 03:04:12,228 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 03:04:12,229 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 03:04:12,229 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 03:04:12,230 INFO L138 SettingsManager]: * Use SBE=true [2020-11-28 03:04:12,230 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 03:04:12,231 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-28 03:04:12,231 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 03:04:12,231 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 03:04:12,231 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-11-28 03:04:12,232 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-11-28 03:04:12,232 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-11-28 03:04:12,232 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 03:04:12,232 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-28 03:04:12,232 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 03:04:12,233 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 03:04:12,233 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-28 03:04:12,233 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 03:04:12,233 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-28 03:04:12,233 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 03:04:12,234 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 03:04:12,234 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 03:04:12,234 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-28 03:04:12,234 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 03:04:12,235 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 03:04:12,235 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_d8af6ebd-6486-4c92-8b2d-c9fc8957618c/bin/uautomizer/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_d8af6ebd-6486-4c92-8b2d-c9fc8957618c/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 572b8de07d1f821f0da98e07dc076c6e731e73f0 [2020-11-28 03:04:12,466 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 03:04:12,500 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 03:04:12,504 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 03:04:12,505 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 03:04:12,506 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 03:04:12,507 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_d8af6ebd-6486-4c92-8b2d-c9fc8957618c/bin/uautomizer/../../sv-benchmarks/c/busybox-1.22.0/chgrp-incomplete-1.i [2020-11-28 03:04:12,584 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_d8af6ebd-6486-4c92-8b2d-c9fc8957618c/bin/uautomizer/data/39fabdb99/01a229457c5649cb87d123cc591bcfc6/FLAGfe5096cf0 [2020-11-28 03:04:13,259 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 03:04:13,260 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_d8af6ebd-6486-4c92-8b2d-c9fc8957618c/sv-benchmarks/c/busybox-1.22.0/chgrp-incomplete-1.i [2020-11-28 03:04:13,305 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_d8af6ebd-6486-4c92-8b2d-c9fc8957618c/bin/uautomizer/data/39fabdb99/01a229457c5649cb87d123cc591bcfc6/FLAGfe5096cf0 [2020-11-28 03:04:13,426 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_d8af6ebd-6486-4c92-8b2d-c9fc8957618c/bin/uautomizer/data/39fabdb99/01a229457c5649cb87d123cc591bcfc6 [2020-11-28 03:04:13,428 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 03:04:13,429 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-11-28 03:04:13,436 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 03:04:13,436 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 03:04:13,444 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 03:04:13,445 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:04:13" (1/1) ... [2020-11-28 03:04:13,447 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@377daf0b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:04:13, skipping insertion in model container [2020-11-28 03:04:13,448 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:04:13" (1/1) ... [2020-11-28 03:04:13,456 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 03:04:13,551 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 03:04:14,767 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 03:04:14,768 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@66552d2b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:04:14, skipping insertion in model container [2020-11-28 03:04:14,768 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 03:04:14,768 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2020-11-28 03:04:14,771 INFO L168 Benchmark]: Toolchain (without parser) took 1340.27 ms. Allocated memory is still 90.2 MB. Free memory was 54.8 MB in the beginning and 57.7 MB in the end (delta: -3.0 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2020-11-28 03:04:14,772 INFO L168 Benchmark]: CDTParser took 0.49 ms. Allocated memory is still 90.2 MB. Free memory was 49.4 MB in the beginning and 49.4 MB in the end (delta: 34.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:04:14,772 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1332.73 ms. Allocated memory is still 90.2 MB. Free memory was 54.8 MB in the beginning and 57.7 MB in the end (delta: -3.0 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2020-11-28 03:04:14,774 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.49 ms. Allocated memory is still 90.2 MB. Free memory was 49.4 MB in the beginning and 49.4 MB in the end (delta: 34.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1332.73 ms. Allocated memory is still 90.2 MB. Free memory was 54.8 MB in the beginning and 57.7 MB in the end (delta: -3.0 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 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 03:04:16,998 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 03:04:17,000 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 03:04:17,043 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 03:04:17,044 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 03:04:17,048 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 03:04:17,051 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 03:04:17,055 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 03:04:17,059 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 03:04:17,064 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 03:04:17,066 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 03:04:17,069 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 03:04:17,069 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 03:04:17,073 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 03:04:17,074 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 03:04:17,079 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 03:04:17,080 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 03:04:17,084 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 03:04:17,087 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 03:04:17,094 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 03:04:17,102 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 03:04:17,104 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 03:04:17,105 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 03:04:17,108 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 03:04:17,116 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 03:04:17,116 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 03:04:17,117 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 03:04:17,118 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 03:04:17,119 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 03:04:17,121 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 03:04:17,121 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 03:04:17,122 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 03:04:17,124 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 03:04:17,125 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 03:04:17,126 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 03:04:17,127 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 03:04:17,127 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 03:04:17,128 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 03:04:17,128 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 03:04:17,130 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 03:04:17,130 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 03:04:17,131 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_d8af6ebd-6486-4c92-8b2d-c9fc8957618c/bin/uautomizer/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Bitvector.epf [2020-11-28 03:04:17,187 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 03:04:17,188 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 03:04:17,191 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 03:04:17,191 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 03:04:17,192 INFO L138 SettingsManager]: * Use SBE=true [2020-11-28 03:04:17,192 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 03:04:17,192 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-28 03:04:17,193 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 03:04:17,193 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 03:04:17,193 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-11-28 03:04:17,194 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-11-28 03:04:17,195 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-11-28 03:04:17,195 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 03:04:17,195 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-28 03:04:17,195 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-11-28 03:04:17,195 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-11-28 03:04:17,196 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 03:04:17,196 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 03:04:17,196 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-28 03:04:17,197 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 03:04:17,197 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-28 03:04:17,197 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 03:04:17,197 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 03:04:17,198 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 03:04:17,198 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-11-28 03:04:17,198 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-11-28 03:04:17,198 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 03:04:17,198 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-28 03:04:17,199 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_d8af6ebd-6486-4c92-8b2d-c9fc8957618c/bin/uautomizer/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_d8af6ebd-6486-4c92-8b2d-c9fc8957618c/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 572b8de07d1f821f0da98e07dc076c6e731e73f0 [2020-11-28 03:04:17,572 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 03:04:17,603 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 03:04:17,606 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 03:04:17,607 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 03:04:17,609 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 03:04:17,610 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_d8af6ebd-6486-4c92-8b2d-c9fc8957618c/bin/uautomizer/../../sv-benchmarks/c/busybox-1.22.0/chgrp-incomplete-1.i [2020-11-28 03:04:17,679 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_d8af6ebd-6486-4c92-8b2d-c9fc8957618c/bin/uautomizer/data/38109f2dd/d1dea7e4278c461fa87fadef10665785/FLAG2d2a8b4a0 [2020-11-28 03:04:18,433 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 03:04:18,434 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_d8af6ebd-6486-4c92-8b2d-c9fc8957618c/sv-benchmarks/c/busybox-1.22.0/chgrp-incomplete-1.i [2020-11-28 03:04:18,472 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_d8af6ebd-6486-4c92-8b2d-c9fc8957618c/bin/uautomizer/data/38109f2dd/d1dea7e4278c461fa87fadef10665785/FLAG2d2a8b4a0 [2020-11-28 03:04:18,569 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_d8af6ebd-6486-4c92-8b2d-c9fc8957618c/bin/uautomizer/data/38109f2dd/d1dea7e4278c461fa87fadef10665785 [2020-11-28 03:04:18,572 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 03:04:18,574 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-11-28 03:04:18,578 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 03:04:18,579 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 03:04:18,582 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 03:04:18,583 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:04:18" (1/1) ... [2020-11-28 03:04:18,589 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42fce6eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:04:18, skipping insertion in model container [2020-11-28 03:04:18,589 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:04:18" (1/1) ... [2020-11-28 03:04:18,596 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 03:04:18,694 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 03:04:19,868 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 03:04:19,869 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3cd3fc79 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:04:19, skipping insertion in model container [2020-11-28 03:04:19,869 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 03:04:19,870 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2020-11-28 03:04:19,872 INFO L168 Benchmark]: Toolchain (without parser) took 1296.00 ms. Allocated memory was 52.4 MB in the beginning and 69.2 MB in the end (delta: 16.8 MB). Free memory was 25.8 MB in the beginning and 41.6 MB in the end (delta: -15.8 MB). Peak memory consumption was 4.3 MB. Max. memory is 16.1 GB. [2020-11-28 03:04:19,873 INFO L168 Benchmark]: CDTParser took 0.49 ms. Allocated memory is still 52.4 MB. Free memory was 34.8 MB in the beginning and 34.7 MB in the end (delta: 38.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:04:19,874 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1291.29 ms. Allocated memory was 52.4 MB in the beginning and 69.2 MB in the end (delta: 16.8 MB). Free memory was 25.6 MB in the beginning and 41.6 MB in the end (delta: -16.0 MB). Peak memory consumption was 4.3 MB. Max. memory is 16.1 GB. [2020-11-28 03:04:19,876 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.49 ms. Allocated memory is still 52.4 MB. Free memory was 34.8 MB in the beginning and 34.7 MB in the end (delta: 38.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1291.29 ms. Allocated memory was 52.4 MB in the beginning and 69.2 MB in the end (delta: 16.8 MB). Free memory was 25.6 MB in the beginning and 41.6 MB in the end (delta: -16.0 MB). Peak memory consumption was 4.3 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...