./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 791161d1 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 b3e51a8f3ded47bbb5eb7559cf71be835a761dbf6d7500062d220de2ad27ed9e --- Real Ultimate output --- This is Ultimate 0.2.2-?-791161d [2022-07-23 12:28:16,440 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-23 12:28:16,442 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-23 12:28:16,467 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-23 12:28:16,471 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-23 12:28:16,472 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-23 12:28:16,473 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-23 12:28:16,477 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-23 12:28:16,480 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-23 12:28:16,481 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-23 12:28:16,481 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-23 12:28:16,482 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-23 12:28:16,483 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-23 12:28:16,485 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-23 12:28:16,486 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-23 12:28:16,487 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-23 12:28:16,488 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-23 12:28:16,489 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-23 12:28:16,492 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-23 12:28:16,495 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-23 12:28:16,498 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-23 12:28:16,499 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-23 12:28:16,500 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-23 12:28:16,500 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-23 12:28:16,501 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-23 12:28:16,503 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-23 12:28:16,505 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-23 12:28:16,505 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-23 12:28:16,505 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-23 12:28:16,506 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-23 12:28:16,507 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-23 12:28:16,507 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-23 12:28:16,508 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-23 12:28:16,509 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-23 12:28:16,509 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-23 12:28:16,510 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-23 12:28:16,510 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-23 12:28:16,510 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-23 12:28:16,510 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-23 12:28:16,511 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-23 12:28:16,511 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-23 12:28:16,512 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-23 12:28:16,514 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Default.epf [2022-07-23 12:28:16,529 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-23 12:28:16,529 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-23 12:28:16,530 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-23 12:28:16,530 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-23 12:28:16,530 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-23 12:28:16,530 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-23 12:28:16,532 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-23 12:28:16,532 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-23 12:28:16,532 INFO L138 SettingsManager]: * Use SBE=true [2022-07-23 12:28:16,533 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-23 12:28:16,533 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-07-23 12:28:16,533 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-23 12:28:16,533 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-23 12:28:16,533 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-07-23 12:28:16,533 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-07-23 12:28:16,533 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-07-23 12:28:16,533 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-23 12:28:16,534 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-23 12:28:16,534 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-23 12:28:16,534 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-23 12:28:16,534 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-23 12:28:16,534 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-23 12:28:16,534 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-23 12:28:16,534 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-23 12:28:16,535 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-23 12:28:16,535 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-23 12:28:16,535 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-23 12:28:16,535 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b3e51a8f3ded47bbb5eb7559cf71be835a761dbf6d7500062d220de2ad27ed9e [2022-07-23 12:28:16,703 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-23 12:28:16,719 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-23 12:28:16,721 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-23 12:28:16,722 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-23 12:28:16,723 INFO L275 PluginConnector]: CDTParser initialized [2022-07-23 12:28:16,724 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/busybox-1.22.0/chgrp-incomplete-1.i [2022-07-23 12:28:16,783 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f85fb05ed/7416e507ef1b448baa0e515ae3cf145d/FLAG9b917cd82 [2022-07-23 12:28:17,260 INFO L306 CDTParser]: Found 1 translation units. [2022-07-23 12:28:17,261 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/busybox-1.22.0/chgrp-incomplete-1.i [2022-07-23 12:28:17,290 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f85fb05ed/7416e507ef1b448baa0e515ae3cf145d/FLAG9b917cd82 [2022-07-23 12:28:17,302 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f85fb05ed/7416e507ef1b448baa0e515ae3cf145d [2022-07-23 12:28:17,304 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-23 12:28:17,305 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-23 12:28:17,316 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-23 12:28:17,317 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-23 12:28:17,319 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-23 12:28:17,320 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 12:28:17" (1/1) ... [2022-07-23 12:28:17,321 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@50a406bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 12:28:17, skipping insertion in model container [2022-07-23 12:28:17,321 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 12:28:17" (1/1) ... [2022-07-23 12:28:17,325 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-23 12:28:17,379 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-23 12:28:17,915 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: xasprintf [2022-07-23 12:28:17,915 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5f5c2773 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 12:28:17, skipping insertion in model container [2022-07-23 12:28:17,916 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-23 12:28:17,916 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-07-23 12:28:17,917 INFO L158 Benchmark]: Toolchain (without parser) took 611.76ms. Allocated memory is still 113.2MB. Free memory was 73.9MB in the beginning and 76.8MB in the end (delta: -2.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-07-23 12:28:17,919 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 113.2MB. Free memory was 85.9MB in the beginning and 85.9MB in the end (delta: 29.6kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-23 12:28:17,920 INFO L158 Benchmark]: CACSL2BoogieTranslator took 599.50ms. Allocated memory is still 113.2MB. Free memory was 73.9MB in the beginning and 76.8MB in the end (delta: -2.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-07-23 12:28:17,921 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 113.2MB. Free memory was 85.9MB in the beginning and 85.9MB in the end (delta: 29.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 599.50ms. Allocated memory is still 113.2MB. Free memory was 73.9MB in the beginning and 76.8MB in the end (delta: -2.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * 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... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### 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 b3e51a8f3ded47bbb5eb7559cf71be835a761dbf6d7500062d220de2ad27ed9e --- Real Ultimate output --- This is Ultimate 0.2.2-?-791161d [2022-07-23 12:28:19,406 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-23 12:28:19,408 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-23 12:28:19,446 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-23 12:28:19,447 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-23 12:28:19,448 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-23 12:28:19,451 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-23 12:28:19,453 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-23 12:28:19,456 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-23 12:28:19,459 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-23 12:28:19,460 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-23 12:28:19,461 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-23 12:28:19,461 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-23 12:28:19,463 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-23 12:28:19,463 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-23 12:28:19,466 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-23 12:28:19,466 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-23 12:28:19,467 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-23 12:28:19,468 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-23 12:28:19,472 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-23 12:28:19,473 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-23 12:28:19,474 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-23 12:28:19,475 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-23 12:28:19,476 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-23 12:28:19,477 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-23 12:28:19,481 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-23 12:28:19,482 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-23 12:28:19,482 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-23 12:28:19,483 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-23 12:28:19,483 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-23 12:28:19,484 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-23 12:28:19,484 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-23 12:28:19,485 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-23 12:28:19,485 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-23 12:28:19,486 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-23 12:28:19,487 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-23 12:28:19,487 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-23 12:28:19,487 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-23 12:28:19,488 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-23 12:28:19,488 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-23 12:28:19,488 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-23 12:28:19,489 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-23 12:28:19,493 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Bitvector.epf [2022-07-23 12:28:19,516 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-23 12:28:19,517 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-23 12:28:19,517 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-23 12:28:19,517 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-23 12:28:19,518 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-23 12:28:19,518 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-23 12:28:19,518 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-23 12:28:19,518 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-23 12:28:19,519 INFO L138 SettingsManager]: * Use SBE=true [2022-07-23 12:28:19,519 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-23 12:28:19,519 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-07-23 12:28:19,519 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-23 12:28:19,520 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-23 12:28:19,520 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-07-23 12:28:19,520 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-07-23 12:28:19,520 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-07-23 12:28:19,520 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-23 12:28:19,520 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-23 12:28:19,520 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-23 12:28:19,521 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-23 12:28:19,521 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-23 12:28:19,521 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-23 12:28:19,521 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-23 12:28:19,521 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-23 12:28:19,521 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-23 12:28:19,521 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-23 12:28:19,522 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-23 12:28:19,522 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-23 12:28:19,522 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-23 12:28:19,522 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-23 12:28:19,522 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b3e51a8f3ded47bbb5eb7559cf71be835a761dbf6d7500062d220de2ad27ed9e [2022-07-23 12:28:19,779 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-23 12:28:19,798 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-23 12:28:19,801 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-23 12:28:19,802 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-23 12:28:19,803 INFO L275 PluginConnector]: CDTParser initialized [2022-07-23 12:28:19,804 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/busybox-1.22.0/chgrp-incomplete-1.i [2022-07-23 12:28:19,854 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/10c06d9cd/b03c328ef17149e492c46747560b7ef4/FLAG32fdc8291 [2022-07-23 12:28:20,387 INFO L306 CDTParser]: Found 1 translation units. [2022-07-23 12:28:20,387 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/busybox-1.22.0/chgrp-incomplete-1.i [2022-07-23 12:28:20,410 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/10c06d9cd/b03c328ef17149e492c46747560b7ef4/FLAG32fdc8291 [2022-07-23 12:28:20,843 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/10c06d9cd/b03c328ef17149e492c46747560b7ef4 [2022-07-23 12:28:20,844 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-23 12:28:20,845 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-23 12:28:20,846 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-23 12:28:20,847 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-23 12:28:20,849 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-23 12:28:20,849 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 12:28:20" (1/1) ... [2022-07-23 12:28:20,850 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@52e80fc2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 12:28:20, skipping insertion in model container [2022-07-23 12:28:20,850 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 12:28:20" (1/1) ... [2022-07-23 12:28:20,854 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-23 12:28:20,899 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-23 12:28:21,481 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: xasprintf [2022-07-23 12:28:21,482 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@101b75e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 12:28:21, skipping insertion in model container [2022-07-23 12:28:21,483 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-23 12:28:21,483 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-07-23 12:28:21,485 INFO L158 Benchmark]: Toolchain (without parser) took 638.60ms. Allocated memory was 58.7MB in the beginning and 75.5MB in the end (delta: 16.8MB). Free memory was 32.4MB in the beginning and 47.2MB in the end (delta: -14.8MB). Peak memory consumption was 13.3MB. Max. memory is 16.1GB. [2022-07-23 12:28:21,486 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 58.7MB. Free memory was 40.4MB in the beginning and 40.3MB in the end (delta: 50.7kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-23 12:28:21,487 INFO L158 Benchmark]: CACSL2BoogieTranslator took 636.31ms. Allocated memory was 58.7MB in the beginning and 75.5MB in the end (delta: 16.8MB). Free memory was 32.1MB in the beginning and 47.2MB in the end (delta: -15.1MB). Peak memory consumption was 13.3MB. Max. memory is 16.1GB. [2022-07-23 12:28:21,488 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 58.7MB. Free memory was 40.4MB in the beginning and 40.3MB in the end (delta: 50.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 636.31ms. Allocated memory was 58.7MB in the beginning and 75.5MB in the end (delta: 16.8MB). Free memory was 32.1MB in the beginning and 47.2MB in the end (delta: -15.1MB). Peak memory consumption was 13.3MB. Max. memory is 16.1GB. * 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... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN