./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 20ed64ec Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.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 572b8de07d1f821f0da98e07dc076c6e731e73f0 ................................................................................................................................ 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 -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.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 572b8de07d1f821f0da98e07dc076c6e731e73f0 .................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.2.1-dev-20ed64e [2021-08-27 08:19:37,214 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-27 08:19:37,217 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-27 08:19:37,256 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-27 08:19:37,257 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-27 08:19:37,260 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-27 08:19:37,261 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-27 08:19:37,266 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-27 08:19:37,271 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-27 08:19:37,275 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-27 08:19:37,276 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-27 08:19:37,277 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-27 08:19:37,277 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-27 08:19:37,280 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-27 08:19:37,281 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-27 08:19:37,288 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-27 08:19:37,289 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-27 08:19:37,290 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-27 08:19:37,293 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-27 08:19:37,298 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-27 08:19:37,299 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-27 08:19:37,300 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-27 08:19:37,302 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-27 08:19:37,303 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-27 08:19:37,311 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-27 08:19:37,312 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-27 08:19:37,312 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-27 08:19:37,314 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-27 08:19:37,314 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-27 08:19:37,315 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-27 08:19:37,315 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-27 08:19:37,316 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-27 08:19:37,317 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-27 08:19:37,318 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-27 08:19:37,319 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-27 08:19:37,319 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-27 08:19:37,320 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-27 08:19:37,320 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-27 08:19:37,320 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-27 08:19:37,321 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-27 08:19:37,322 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-27 08:19:37,323 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Default.epf [2021-08-27 08:19:37,362 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-27 08:19:37,363 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-27 08:19:37,364 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-27 08:19:37,364 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-27 08:19:37,366 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-27 08:19:37,366 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-27 08:19:37,366 INFO L138 SettingsManager]: * Use SBE=true [2021-08-27 08:19:37,366 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-27 08:19:37,367 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-08-27 08:19:37,367 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-27 08:19:37,367 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-27 08:19:37,368 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-08-27 08:19:37,368 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-08-27 08:19:37,368 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-08-27 08:19:37,368 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-27 08:19:37,368 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-08-27 08:19:37,368 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-27 08:19:37,368 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-27 08:19:37,368 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-27 08:19:37,369 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-27 08:19:37,369 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-27 08:19:37,369 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-27 08:19:37,377 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-27 08:19:37,377 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-27 08:19:37,377 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-27 08:19:37,377 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-27 08:19:37,377 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 572b8de07d1f821f0da98e07dc076c6e731e73f0 [2021-08-27 08:19:37,685 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-27 08:19:37,702 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-27 08:19:37,705 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-27 08:19:37,706 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-27 08:19:37,706 INFO L275 PluginConnector]: CDTParser initialized [2021-08-27 08:19:37,707 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/busybox-1.22.0/chgrp-incomplete-1.i [2021-08-27 08:19:37,768 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/73278d8c5/c0ada0c254324f3db9d0c5a6fbf2e312/FLAG7b411375b [2021-08-27 08:19:38,403 INFO L306 CDTParser]: Found 1 translation units. [2021-08-27 08:19:38,404 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/busybox-1.22.0/chgrp-incomplete-1.i [2021-08-27 08:19:38,432 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/73278d8c5/c0ada0c254324f3db9d0c5a6fbf2e312/FLAG7b411375b [2021-08-27 08:19:38,619 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/73278d8c5/c0ada0c254324f3db9d0c5a6fbf2e312 [2021-08-27 08:19:38,621 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-27 08:19:38,622 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-08-27 08:19:38,623 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-27 08:19:38,624 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-27 08:19:38,629 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-27 08:19:38,629 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.08 08:19:38" (1/1) ... [2021-08-27 08:19:38,630 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a93432 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 08:19:38, skipping insertion in model container [2021-08-27 08:19:38,630 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.08 08:19:38" (1/1) ... [2021-08-27 08:19:38,636 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-27 08:19:38,708 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-27 08:19:39,586 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: xasprintf [2021-08-27 08:19:39,587 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@69fddcd4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 08:19:39, skipping insertion in model container [2021-08-27 08:19:39,587 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-27 08:19:39,587 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2021-08-27 08:19:39,589 INFO L168 Benchmark]: Toolchain (without parser) took 966.07 ms. Allocated memory was 56.6 MB in the beginning and 71.3 MB in the end (delta: 14.7 MB). Free memory was 31.0 MB in the beginning and 43.8 MB in the end (delta: -12.7 MB). Peak memory consumption was 8.5 MB. Max. memory is 16.1 GB. [2021-08-27 08:19:39,591 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 56.6 MB. Free memory was 38.7 MB in the beginning and 38.7 MB in the end (delta: 46.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-08-27 08:19:39,592 INFO L168 Benchmark]: CACSL2BoogieTranslator took 963.89 ms. Allocated memory was 56.6 MB in the beginning and 71.3 MB in the end (delta: 14.7 MB). Free memory was 30.8 MB in the beginning and 43.8 MB in the end (delta: -12.9 MB). Peak memory consumption was 8.5 MB. Max. memory is 16.1 GB. [2021-08-27 08:19:39,594 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 56.6 MB. Free memory was 38.7 MB in the beginning and 38.7 MB in the end (delta: 46.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 963.89 ms. Allocated memory was 56.6 MB in the beginning and 71.3 MB in the end (delta: 14.7 MB). Free memory was 30.8 MB in the beginning and 43.8 MB in the end (delta: -12.9 MB). Peak memory consumption was 8.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2344]: Unsupported Syntax encountered a call to a var args function, var args are not supported at the moment: xasprintf RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.1-dev-20ed64e [2021-08-27 08:19:41,188 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-27 08:19:41,191 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-27 08:19:41,231 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-27 08:19:41,231 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-27 08:19:41,232 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-27 08:19:41,233 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-27 08:19:41,234 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-27 08:19:41,236 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-27 08:19:41,238 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-27 08:19:41,239 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-27 08:19:41,240 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-27 08:19:41,240 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-27 08:19:41,241 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-27 08:19:41,242 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-27 08:19:41,243 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-27 08:19:41,244 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-27 08:19:41,244 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-27 08:19:41,246 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-27 08:19:41,248 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-27 08:19:41,253 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-27 08:19:41,258 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-27 08:19:41,260 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-27 08:19:41,262 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-27 08:19:41,272 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-27 08:19:41,272 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-27 08:19:41,272 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-27 08:19:41,273 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-27 08:19:41,273 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-27 08:19:41,274 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-27 08:19:41,274 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-27 08:19:41,275 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-27 08:19:41,275 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-27 08:19:41,276 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-27 08:19:41,277 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-27 08:19:41,277 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-27 08:19:41,277 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-27 08:19:41,278 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-27 08:19:41,278 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-27 08:19:41,279 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-27 08:19:41,279 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-27 08:19:41,285 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Bitvector.epf [2021-08-27 08:19:41,315 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-27 08:19:41,315 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-27 08:19:41,316 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-27 08:19:41,316 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-27 08:19:41,318 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-27 08:19:41,318 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-27 08:19:41,318 INFO L138 SettingsManager]: * Use SBE=true [2021-08-27 08:19:41,318 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-27 08:19:41,318 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-08-27 08:19:41,318 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-27 08:19:41,319 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-27 08:19:41,319 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-08-27 08:19:41,320 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-08-27 08:19:41,320 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-08-27 08:19:41,320 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-27 08:19:41,320 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-08-27 08:19:41,320 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-08-27 08:19:41,320 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-08-27 08:19:41,320 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-27 08:19:41,321 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-27 08:19:41,321 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-27 08:19:41,321 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-27 08:19:41,321 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-27 08:19:41,321 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-27 08:19:41,321 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-27 08:19:41,332 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-08-27 08:19:41,332 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-08-27 08:19:41,332 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-27 08:19:41,332 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-08-27 08:19:41,333 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 572b8de07d1f821f0da98e07dc076c6e731e73f0 [2021-08-27 08:19:41,633 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-27 08:19:41,653 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-27 08:19:41,655 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-27 08:19:41,657 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-27 08:19:41,657 INFO L275 PluginConnector]: CDTParser initialized [2021-08-27 08:19:41,659 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/busybox-1.22.0/chgrp-incomplete-1.i [2021-08-27 08:19:41,716 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4fa185cdb/39e1613d586248bab6d60ec39a4cba05/FLAG0ec62620c [2021-08-27 08:19:42,420 INFO L306 CDTParser]: Found 1 translation units. [2021-08-27 08:19:42,421 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/busybox-1.22.0/chgrp-incomplete-1.i [2021-08-27 08:19:42,450 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4fa185cdb/39e1613d586248bab6d60ec39a4cba05/FLAG0ec62620c [2021-08-27 08:19:42,705 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4fa185cdb/39e1613d586248bab6d60ec39a4cba05 [2021-08-27 08:19:42,708 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-27 08:19:42,710 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-08-27 08:19:42,712 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-27 08:19:42,712 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-27 08:19:42,715 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-27 08:19:42,716 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.08 08:19:42" (1/1) ... [2021-08-27 08:19:42,717 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3cc4c36e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 08:19:42, skipping insertion in model container [2021-08-27 08:19:42,718 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.08 08:19:42" (1/1) ... [2021-08-27 08:19:42,724 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-27 08:19:42,789 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-27 08:19:43,677 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: xasprintf [2021-08-27 08:19:43,678 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@67bd3da6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 08:19:43, skipping insertion in model container [2021-08-27 08:19:43,678 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-27 08:19:43,679 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2021-08-27 08:19:43,681 INFO L168 Benchmark]: Toolchain (without parser) took 970.64 ms. Allocated memory is still 75.5 MB. Free memory was 55.5 MB in the beginning and 47.9 MB in the end (delta: 7.5 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-08-27 08:19:43,682 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 75.5 MB. Free memory is still 58.1 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-08-27 08:19:43,683 INFO L168 Benchmark]: CACSL2BoogieTranslator took 966.50 ms. Allocated memory is still 75.5 MB. Free memory was 55.2 MB in the beginning and 47.9 MB in the end (delta: 7.3 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-08-27 08:19:43,685 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 75.5 MB. Free memory is still 58.1 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 966.50 ms. Allocated memory is still 75.5 MB. Free memory was 55.2 MB in the beginning and 47.9 MB in the end (delta: 7.3 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2344]: Unsupported Syntax encountered a call to a var args function, var args are not supported at the moment: xasprintf RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...