./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/busybox-1.22.0/chgrp-incomplete-1.i --full-output -ea --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 8bd4bc60 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -ea -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 7b3a818757dd0374105a6870b9cab59cdca02523 ........................................................................................................................... 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 -ea -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 7b3a818757dd0374105a6870b9cab59cdca02523 .............................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.25-8bd4bc6 [2020-07-29 01:20:16,230 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-29 01:20:16,233 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-29 01:20:16,245 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-29 01:20:16,245 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-29 01:20:16,247 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-29 01:20:16,248 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-29 01:20:16,250 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-29 01:20:16,252 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-29 01:20:16,253 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-29 01:20:16,254 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-29 01:20:16,255 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-29 01:20:16,256 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-29 01:20:16,257 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-29 01:20:16,258 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-29 01:20:16,259 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-29 01:20:16,260 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-29 01:20:16,261 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-29 01:20:16,263 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-29 01:20:16,265 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-29 01:20:16,266 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-29 01:20:16,267 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-29 01:20:16,269 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-29 01:20:16,270 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-29 01:20:16,272 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-29 01:20:16,273 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-29 01:20:16,273 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-29 01:20:16,274 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-29 01:20:16,274 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-29 01:20:16,276 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-29 01:20:16,276 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-29 01:20:16,277 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-29 01:20:16,278 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-29 01:20:16,278 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-29 01:20:16,279 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-29 01:20:16,280 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-29 01:20:16,281 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-29 01:20:16,281 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-29 01:20:16,281 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-29 01:20:16,282 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-29 01:20:16,284 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-29 01:20:16,285 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Default.epf [2020-07-29 01:20:16,299 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-29 01:20:16,299 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-29 01:20:16,301 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-29 01:20:16,301 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-29 01:20:16,301 INFO L138 SettingsManager]: * Use SBE=true [2020-07-29 01:20:16,301 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-29 01:20:16,302 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-07-29 01:20:16,302 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-29 01:20:16,302 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-29 01:20:16,302 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-07-29 01:20:16,303 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-07-29 01:20:16,303 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-07-29 01:20:16,303 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-29 01:20:16,303 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-07-29 01:20:16,304 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-29 01:20:16,304 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-29 01:20:16,304 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-29 01:20:16,305 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-29 01:20:16,305 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-29 01:20:16,305 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-29 01:20:16,306 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-29 01:20:16,306 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-29 01:20:16,306 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-29 01:20:16,306 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-29 01:20:16,307 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-29 01:20:16,307 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 -> 7b3a818757dd0374105a6870b9cab59cdca02523 [2020-07-29 01:20:16,652 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-29 01:20:16,663 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-29 01:20:16,667 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-29 01:20:16,668 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-29 01:20:16,669 INFO L275 PluginConnector]: CDTParser initialized [2020-07-29 01:20:16,669 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/busybox-1.22.0/chgrp-incomplete-1.i [2020-07-29 01:20:16,730 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/719506c4f/c562db6c18834a97b3c6d7205fae1d2e/FLAGff942cdc6 [2020-07-29 01:20:17,363 INFO L306 CDTParser]: Found 1 translation units. [2020-07-29 01:20:17,364 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/busybox-1.22.0/chgrp-incomplete-1.i [2020-07-29 01:20:17,403 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/719506c4f/c562db6c18834a97b3c6d7205fae1d2e/FLAGff942cdc6 [2020-07-29 01:20:17,544 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/719506c4f/c562db6c18834a97b3c6d7205fae1d2e [2020-07-29 01:20:17,547 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-29 01:20:17,550 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-07-29 01:20:17,551 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-29 01:20:17,551 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-29 01:20:17,554 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-29 01:20:17,555 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.07 01:20:17" (1/1) ... [2020-07-29 01:20:17,558 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46587ada and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:20:17, skipping insertion in model container [2020-07-29 01:20:17,558 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.07 01:20:17" (1/1) ... [2020-07-29 01:20:17,565 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-29 01:20:17,655 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-29 01:20:18,551 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: xasprintf [2020-07-29 01:20:18,552 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@30959a03 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:20:18, skipping insertion in model container [2020-07-29 01:20:18,552 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-29 01:20:18,553 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2020-07-29 01:20:18,557 INFO L168 Benchmark]: Toolchain (without parser) took 1006.36 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.9 MB). Free memory was 956.2 MB in the beginning and 1.1 GB in the end (delta: -154.7 MB). Peak memory consumption was 27.6 MB. Max. memory is 11.5 GB. [2020-07-29 01:20:18,557 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 1.0 GB. Free memory is still 987.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-29 01:20:18,559 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1001.89 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.9 MB). Free memory was 956.2 MB in the beginning and 1.1 GB in the end (delta: -154.7 MB). Peak memory consumption was 27.6 MB. Max. memory is 11.5 GB. [2020-07-29 01:20:18,561 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - AssertionsEnabledResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 1.0 GB. Free memory is still 987.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 1001.89 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.9 MB). Free memory was 956.2 MB in the beginning and 1.1 GB in the end (delta: -154.7 MB). Peak memory consumption was 27.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2333]: 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 0.1.25-8bd4bc6 [2020-07-29 01:20:20,270 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-29 01:20:20,272 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-29 01:20:20,283 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-29 01:20:20,283 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-29 01:20:20,284 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-29 01:20:20,286 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-29 01:20:20,288 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-29 01:20:20,290 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-29 01:20:20,290 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-29 01:20:20,292 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-29 01:20:20,293 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-29 01:20:20,293 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-29 01:20:20,294 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-29 01:20:20,295 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-29 01:20:20,297 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-29 01:20:20,297 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-29 01:20:20,299 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-29 01:20:20,301 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-29 01:20:20,303 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-29 01:20:20,304 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-29 01:20:20,305 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-29 01:20:20,307 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-29 01:20:20,308 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-29 01:20:20,310 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-29 01:20:20,311 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-29 01:20:20,311 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-29 01:20:20,312 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-29 01:20:20,313 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-29 01:20:20,314 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-29 01:20:20,314 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-29 01:20:20,315 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-29 01:20:20,316 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-29 01:20:20,317 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-29 01:20:20,318 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-29 01:20:20,318 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-29 01:20:20,319 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-29 01:20:20,319 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-29 01:20:20,320 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-29 01:20:20,321 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-29 01:20:20,322 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-29 01:20:20,323 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Bitvector.epf [2020-07-29 01:20:20,338 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-29 01:20:20,338 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-29 01:20:20,339 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-29 01:20:20,340 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-29 01:20:20,340 INFO L138 SettingsManager]: * Use SBE=true [2020-07-29 01:20:20,340 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-29 01:20:20,341 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-07-29 01:20:20,341 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-29 01:20:20,341 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-29 01:20:20,341 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-07-29 01:20:20,342 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-07-29 01:20:20,342 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-07-29 01:20:20,342 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-29 01:20:20,343 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-07-29 01:20:20,343 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-07-29 01:20:20,343 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-07-29 01:20:20,343 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-29 01:20:20,344 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-29 01:20:20,344 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-29 01:20:20,344 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-29 01:20:20,345 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-29 01:20:20,345 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-29 01:20:20,345 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-29 01:20:20,346 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-29 01:20:20,346 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-07-29 01:20:20,346 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-07-29 01:20:20,346 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-29 01:20:20,347 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-07-29 01:20:20,347 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 -> 7b3a818757dd0374105a6870b9cab59cdca02523 [2020-07-29 01:20:20,656 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-29 01:20:20,668 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-29 01:20:20,671 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-29 01:20:20,673 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-29 01:20:20,673 INFO L275 PluginConnector]: CDTParser initialized [2020-07-29 01:20:20,674 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/busybox-1.22.0/chgrp-incomplete-1.i [2020-07-29 01:20:20,731 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e0c0a5537/62280c0c243746d2acff287e20d7ce29/FLAGf2c584513 [2020-07-29 01:20:21,343 INFO L306 CDTParser]: Found 1 translation units. [2020-07-29 01:20:21,344 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/busybox-1.22.0/chgrp-incomplete-1.i [2020-07-29 01:20:21,372 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e0c0a5537/62280c0c243746d2acff287e20d7ce29/FLAGf2c584513 [2020-07-29 01:20:21,567 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e0c0a5537/62280c0c243746d2acff287e20d7ce29 [2020-07-29 01:20:21,570 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-29 01:20:21,572 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-07-29 01:20:21,575 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-29 01:20:21,576 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-29 01:20:21,579 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-29 01:20:21,580 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.07 01:20:21" (1/1) ... [2020-07-29 01:20:21,584 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b64a6f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:20:21, skipping insertion in model container [2020-07-29 01:20:21,584 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.07 01:20:21" (1/1) ... [2020-07-29 01:20:21,592 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-29 01:20:21,682 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-29 01:20:22,640 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: xasprintf [2020-07-29 01:20:22,641 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@4542f7e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:20:22, skipping insertion in model container [2020-07-29 01:20:22,641 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-29 01:20:22,641 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2020-07-29 01:20:22,645 INFO L168 Benchmark]: Toolchain (without parser) took 1072.66 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 156.8 MB). Free memory was 953.5 MB in the beginning and 1.1 GB in the end (delta: -170.4 MB). Peak memory consumption was 28.5 MB. Max. memory is 11.5 GB. [2020-07-29 01:20:22,646 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 1.0 GB. Free memory is still 987.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-29 01:20:22,647 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1065.94 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 156.8 MB). Free memory was 953.5 MB in the beginning and 1.1 GB in the end (delta: -170.4 MB). Peak memory consumption was 28.5 MB. Max. memory is 11.5 GB. [2020-07-29 01:20:22,649 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - AssertionsEnabledResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 1.0 GB. Free memory is still 987.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 1065.94 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 156.8 MB). Free memory was 953.5 MB in the beginning and 1.1 GB in the end (delta: -170.4 MB). Peak memory consumption was 28.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2333]: 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...