./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 da95e156 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-da95e15 [2019-11-27 11:24:48,503 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 11:24:48,505 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 11:24:48,532 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 11:24:48,533 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 11:24:48,541 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 11:24:48,543 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 11:24:48,558 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 11:24:48,563 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 11:24:48,567 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 11:24:48,568 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 11:24:48,572 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 11:24:48,573 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 11:24:48,577 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 11:24:48,578 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 11:24:48,581 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 11:24:48,582 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 11:24:48,585 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 11:24:48,588 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 11:24:48,592 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 11:24:48,598 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 11:24:48,605 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 11:24:48,606 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 11:24:48,607 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 11:24:48,613 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 11:24:48,613 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 11:24:48,613 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 11:24:48,616 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 11:24:48,616 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 11:24:48,621 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 11:24:48,621 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 11:24:48,621 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 11:24:48,622 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 11:24:48,623 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 11:24:48,626 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 11:24:48,626 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 11:24:48,628 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 11:24:48,628 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 11:24:48,629 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 11:24:48,629 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 11:24:48,632 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 11:24:48,634 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Default.epf [2019-11-27 11:24:48,662 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 11:24:48,662 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 11:24:48,667 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 11:24:48,668 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 11:24:48,668 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 11:24:48,668 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 11:24:48,669 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-27 11:24:48,669 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 11:24:48,669 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 11:24:48,669 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-27 11:24:48,670 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-27 11:24:48,670 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-27 11:24:48,671 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 11:24:48,671 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-27 11:24:48,671 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 11:24:48,674 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 11:24:48,674 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 11:24:48,674 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 11:24:48,674 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 11:24:48,675 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 11:24:48,675 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 11:24:48,675 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 11:24:48,675 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 11:24:48,676 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 11:24:48,676 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 [2019-11-27 11:24:49,104 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 11:24:49,121 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 11:24:49,124 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 11:24:49,129 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 11:24:49,129 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 11:24:49,131 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/busybox-1.22.0/chgrp-incomplete-1.i [2019-11-27 11:24:49,237 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/257c61269/fc3d62beb1804ad8b58bf3c68f526aa3/FLAGa216959cc [2019-11-27 11:24:50,227 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 11:24:50,228 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/busybox-1.22.0/chgrp-incomplete-1.i [2019-11-27 11:24:50,278 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/257c61269/fc3d62beb1804ad8b58bf3c68f526aa3/FLAGa216959cc [2019-11-27 11:24:50,752 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/257c61269/fc3d62beb1804ad8b58bf3c68f526aa3 [2019-11-27 11:24:50,756 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 11:24:50,760 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-27 11:24:50,767 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 11:24:50,767 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 11:24:50,770 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 11:24:50,771 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:24:50" (1/1) ... [2019-11-27 11:24:50,782 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c53792d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:24:50, skipping insertion in model container [2019-11-27 11:24:50,783 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:24:50" (1/1) ... [2019-11-27 11:24:50,796 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 11:24:50,916 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 11:24:52,543 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: xasprintf [2019-11-27 11:24:52,546 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@642b1a35 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:24:52, skipping insertion in model container [2019-11-27 11:24:52,546 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 11:24:52,547 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2019-11-27 11:24:52,554 INFO L168 Benchmark]: Toolchain (without parser) took 1790.57 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 957.4 MB in the beginning and 978.6 MB in the end (delta: -21.3 MB). Peak memory consumption was 21.8 MB. Max. memory is 12.5 GB. [2019-11-27 11:24:52,555 INFO L168 Benchmark]: CDTParser took 0.28 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. [2019-11-27 11:24:52,557 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1779.68 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 957.4 MB in the beginning and 978.6 MB in the end (delta: -21.3 MB). Peak memory consumption was 21.8 MB. Max. memory is 12.5 GB. [2019-11-27 11:24:52,561 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 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 1779.68 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 957.4 MB in the beginning and 978.6 MB in the end (delta: -21.3 MB). Peak memory consumption was 21.8 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-da95e15 [2019-11-27 11:24:55,273 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 11:24:55,277 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 11:24:55,302 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 11:24:55,306 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 11:24:55,308 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 11:24:55,310 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 11:24:55,321 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 11:24:55,327 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 11:24:55,332 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 11:24:55,333 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 11:24:55,338 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 11:24:55,338 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 11:24:55,341 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 11:24:55,343 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 11:24:55,347 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 11:24:55,348 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 11:24:55,349 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 11:24:55,354 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 11:24:55,358 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 11:24:55,363 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 11:24:55,368 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 11:24:55,370 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 11:24:55,373 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 11:24:55,379 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 11:24:55,382 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 11:24:55,382 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 11:24:55,384 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 11:24:55,384 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 11:24:55,385 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 11:24:55,387 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 11:24:55,387 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 11:24:55,388 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 11:24:55,390 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 11:24:55,392 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 11:24:55,392 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 11:24:55,395 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 11:24:55,396 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 11:24:55,396 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 11:24:55,397 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 11:24:55,402 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 11:24:55,402 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Bitvector.epf [2019-11-27 11:24:55,427 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 11:24:55,429 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 11:24:55,431 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 11:24:55,434 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 11:24:55,434 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 11:24:55,434 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 11:24:55,434 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-27 11:24:55,435 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 11:24:55,435 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 11:24:55,435 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-27 11:24:55,436 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-27 11:24:55,436 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-27 11:24:55,439 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 11:24:55,439 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-27 11:24:55,439 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 11:24:55,440 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 11:24:55,440 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 11:24:55,440 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 11:24:55,440 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 11:24:55,440 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 11:24:55,441 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 11:24:55,441 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 11:24:55,441 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 11:24:55,441 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 11:24:55,441 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 11:24:55,445 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 11:24:55,445 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 11:24:55,445 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 [2019-11-27 11:24:55,887 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 11:24:55,904 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 11:24:55,909 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 11:24:55,913 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 11:24:55,914 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 11:24:55,914 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/busybox-1.22.0/chgrp-incomplete-1.i [2019-11-27 11:24:56,021 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6d031abae/b7717253a6e84c0a8b45acbdc9515b7c/FLAGcf4c0a97c [2019-11-27 11:24:57,050 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 11:24:57,054 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/busybox-1.22.0/chgrp-incomplete-1.i [2019-11-27 11:24:57,095 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6d031abae/b7717253a6e84c0a8b45acbdc9515b7c/FLAGcf4c0a97c [2019-11-27 11:24:57,541 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6d031abae/b7717253a6e84c0a8b45acbdc9515b7c [2019-11-27 11:24:57,544 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 11:24:57,548 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-27 11:24:57,556 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 11:24:57,557 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 11:24:57,560 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 11:24:57,563 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:24:57" (1/1) ... [2019-11-27 11:24:57,570 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@374bf11a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:24:57, skipping insertion in model container [2019-11-27 11:24:57,570 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:24:57" (1/1) ... [2019-11-27 11:24:57,584 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 11:24:57,699 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 11:24:59,409 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: xasprintf [2019-11-27 11:24:59,410 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@662d7939 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:24:59, skipping insertion in model container [2019-11-27 11:24:59,410 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 11:24:59,411 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2019-11-27 11:24:59,417 INFO L168 Benchmark]: Toolchain (without parser) took 1866.00 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 972.6 MB in the end (delta: -16.6 MB). Peak memory consumption was 27.8 MB. Max. memory is 12.5 GB. [2019-11-27 11:24:59,417 INFO L168 Benchmark]: CDTParser took 0.48 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. [2019-11-27 11:24:59,419 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1854.67 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 972.6 MB in the end (delta: -16.6 MB). Peak memory consumption was 27.8 MB. Max. memory is 12.5 GB. [2019-11-27 11:24:59,423 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.48 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 1854.67 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 972.6 MB in the end (delta: -16.6 MB). Peak memory consumption was 27.8 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...