./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 32f26835 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/busybox-1.22.0/chgrp-incomplete-1.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 59552a76d60868057ef515bd7a8a81a51e73eda9 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/busybox-1.22.0/chgrp-incomplete-1.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 59552a76d60868057ef515bd7a8a81a51e73eda9 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-32f2683 [2019-11-24 22:24:59,956 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 22:24:59,964 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 22:24:59,995 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 22:24:59,999 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 22:25:00,001 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 22:25:00,007 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 22:25:00,023 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 22:25:00,025 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 22:25:00,030 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 22:25:00,031 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 22:25:00,038 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 22:25:00,039 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 22:25:00,042 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 22:25:00,044 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 22:25:00,052 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 22:25:00,055 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 22:25:00,060 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 22:25:00,068 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 22:25:00,074 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 22:25:00,080 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 22:25:00,092 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 22:25:00,093 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 22:25:00,098 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 22:25:00,105 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 22:25:00,107 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 22:25:00,107 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 22:25:00,112 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 22:25:00,113 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 22:25:00,117 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 22:25:00,117 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 22:25:00,118 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 22:25:00,122 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 22:25:00,123 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 22:25:00,128 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 22:25:00,128 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 22:25:00,130 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 22:25:00,131 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 22:25:00,131 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 22:25:00,133 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 22:25:00,134 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 22:25:00,135 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Default.epf [2019-11-24 22:25:00,180 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 22:25:00,184 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 22:25:00,187 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 22:25:00,188 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 22:25:00,188 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 22:25:00,188 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 22:25:00,189 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-24 22:25:00,192 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 22:25:00,192 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 22:25:00,193 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-24 22:25:00,194 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-24 22:25:00,194 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-24 22:25:00,194 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 22:25:00,195 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 22:25:00,195 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 22:25:00,196 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 22:25:00,197 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 22:25:00,197 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 22:25:00,197 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 22:25:00,199 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 22:25:00,199 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 22:25:00,199 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 22:25:00,200 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-24 22:25:00,202 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 22:25:00,202 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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 -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux 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 -> 59552a76d60868057ef515bd7a8a81a51e73eda9 [2019-11-24 22:25:00,794 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 22:25:00,826 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 22:25:00,832 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 22:25:00,836 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 22:25:00,838 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 22:25:00,839 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/busybox-1.22.0/chgrp-incomplete-1.i [2019-11-24 22:25:01,008 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2e4f18243/522e2609042c4a4ba2759a544a568df0/FLAG9747a5ac0 [2019-11-24 22:25:02,506 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 22:25:02,509 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/busybox-1.22.0/chgrp-incomplete-1.i [2019-11-24 22:25:02,571 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2e4f18243/522e2609042c4a4ba2759a544a568df0/FLAG9747a5ac0 [2019-11-24 22:25:02,616 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2e4f18243/522e2609042c4a4ba2759a544a568df0 [2019-11-24 22:25:02,624 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 22:25:02,626 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-24 22:25:02,633 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 22:25:02,633 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 22:25:02,640 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 22:25:02,644 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:25:02" (1/1) ... [2019-11-24 22:25:02,654 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a273c74 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:25:02, skipping insertion in model container [2019-11-24 22:25:02,654 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:25:02" (1/1) ... [2019-11-24 22:25:02,675 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 22:25:02,838 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 22:25:05,032 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: xasprintf [2019-11-24 22:25:05,038 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@55b8a9b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:25:05, skipping insertion in model container [2019-11-24 22:25:05,038 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 22:25:05,039 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2019-11-24 22:25:05,047 INFO L168 Benchmark]: Toolchain (without parser) took 2415.37 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 978.7 MB in the end (delta: -17.0 MB). Peak memory consumption was 27.4 MB. Max. memory is 12.5 GB. [2019-11-24 22:25:05,048 INFO L168 Benchmark]: CDTParser took 0.79 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 22:25:05,052 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2406.33 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 978.7 MB in the end (delta: -17.0 MB). Peak memory consumption was 27.4 MB. Max. memory is 12.5 GB. [2019-11-24 22:25:05,057 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.79 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 2406.33 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 978.7 MB in the end (delta: -17.0 MB). Peak memory consumption was 27.4 MB. Max. memory is 12.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2330]: 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 0.1.24-32f2683 [2019-11-24 22:25:08,904 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 22:25:08,910 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 22:25:08,946 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 22:25:08,947 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 22:25:08,949 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 22:25:08,954 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 22:25:08,968 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 22:25:08,976 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 22:25:08,981 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 22:25:08,984 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 22:25:08,988 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 22:25:08,989 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 22:25:08,994 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 22:25:08,995 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 22:25:08,999 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 22:25:09,002 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 22:25:09,005 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 22:25:09,011 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 22:25:09,015 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 22:25:09,024 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 22:25:09,032 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 22:25:09,033 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 22:25:09,037 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 22:25:09,044 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 22:25:09,046 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 22:25:09,046 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 22:25:09,049 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 22:25:09,052 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 22:25:09,053 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 22:25:09,054 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 22:25:09,057 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 22:25:09,059 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 22:25:09,060 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 22:25:09,065 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 22:25:09,067 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 22:25:09,068 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 22:25:09,070 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 22:25:09,070 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 22:25:09,073 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 22:25:09,076 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 22:25:09,077 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Bitvector.epf [2019-11-24 22:25:09,131 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 22:25:09,139 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 22:25:09,140 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-24 22:25:09,141 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-24 22:25:09,141 INFO L138 SettingsManager]: * Use SBE=true [2019-11-24 22:25:09,144 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 22:25:09,146 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-24 22:25:09,146 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 22:25:09,147 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 22:25:09,147 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-24 22:25:09,148 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-24 22:25:09,148 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-24 22:25:09,148 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 22:25:09,152 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-24 22:25:09,153 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-24 22:25:09,153 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-24 22:25:09,153 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-24 22:25:09,154 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 22:25:09,154 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-24 22:25:09,154 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 22:25:09,156 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 22:25:09,156 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 22:25:09,156 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 22:25:09,157 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 22:25:09,158 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-24 22:25:09,161 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-24 22:25:09,161 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 22:25:09,161 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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 -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux 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 -> 59552a76d60868057ef515bd7a8a81a51e73eda9 [2019-11-24 22:25:09,710 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 22:25:09,740 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 22:25:09,748 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 22:25:09,751 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 22:25:09,753 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 22:25:09,754 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/busybox-1.22.0/chgrp-incomplete-1.i [2019-11-24 22:25:09,911 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c17d39bc0/9a21de37acbd4d86a745176ddf6a36df/FLAGfedeb2da2 [2019-11-24 22:25:11,362 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 22:25:11,366 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/busybox-1.22.0/chgrp-incomplete-1.i [2019-11-24 22:25:11,434 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c17d39bc0/9a21de37acbd4d86a745176ddf6a36df/FLAGfedeb2da2 [2019-11-24 22:25:11,562 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c17d39bc0/9a21de37acbd4d86a745176ddf6a36df [2019-11-24 22:25:11,571 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 22:25:11,577 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-24 22:25:11,580 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 22:25:11,583 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 22:25:11,587 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 22:25:11,593 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:25:11" (1/1) ... [2019-11-24 22:25:11,600 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b9e3643 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:25:11, skipping insertion in model container [2019-11-24 22:25:11,601 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:25:11" (1/1) ... [2019-11-24 22:25:11,620 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 22:25:11,772 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 22:25:14,172 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: xasprintf [2019-11-24 22:25:14,175 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6b295952 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:25:14, skipping insertion in model container [2019-11-24 22:25:14,176 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 22:25:14,176 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2019-11-24 22:25:14,184 INFO L168 Benchmark]: Toolchain (without parser) took 2606.36 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 956.0 MB in the beginning and 973.0 MB in the end (delta: -17.0 MB). Peak memory consumption was 27.4 MB. Max. memory is 12.5 GB. [2019-11-24 22:25:14,188 INFO L168 Benchmark]: CDTParser took 5.41 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-24 22:25:14,190 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2596.15 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 956.0 MB in the beginning and 973.0 MB in the end (delta: -17.0 MB). Peak memory consumption was 27.4 MB. Max. memory is 12.5 GB. [2019-11-24 22:25:14,195 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 5.41 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 2596.15 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 956.0 MB in the beginning and 973.0 MB in the end (delta: -17.0 MB). Peak memory consumption was 27.4 MB. Max. memory is 12.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2330]: 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...