./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/busybox-1.22.0/readlink-2.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version ff03de63 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/readlink-2.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 983cec69549e2e1e8fd4af811fefcb63625f41eb81ec9e5957d0ba81a05cd15e --- Real Ultimate output --- This is Ultimate 0.2.2-dev-ff03de6 [2021-12-21 20:40:14,542 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-21 20:40:14,543 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-21 20:40:14,583 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-21 20:40:14,584 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-21 20:40:14,590 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-21 20:40:14,590 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-21 20:40:14,593 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-21 20:40:14,594 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-21 20:40:14,597 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-21 20:40:14,598 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-21 20:40:14,599 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-21 20:40:14,599 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-21 20:40:14,601 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-21 20:40:14,602 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-21 20:40:14,604 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-21 20:40:14,604 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-21 20:40:14,605 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-21 20:40:14,606 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-21 20:40:14,610 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-21 20:40:14,611 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-21 20:40:14,612 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-21 20:40:14,613 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-21 20:40:14,613 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-21 20:40:14,618 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-21 20:40:14,618 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-21 20:40:14,619 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-21 20:40:14,619 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-21 20:40:14,620 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-21 20:40:14,620 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-21 20:40:14,621 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-21 20:40:14,621 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-21 20:40:14,622 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-21 20:40:14,623 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-21 20:40:14,624 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-21 20:40:14,624 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-21 20:40:14,624 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-21 20:40:14,625 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-21 20:40:14,625 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-21 20:40:14,625 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-21 20:40:14,626 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-21 20:40:14,627 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Default.epf [2021-12-21 20:40:14,654 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-21 20:40:14,655 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-21 20:40:14,655 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-21 20:40:14,655 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-21 20:40:14,656 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-21 20:40:14,656 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-21 20:40:14,656 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-21 20:40:14,657 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-21 20:40:14,657 INFO L138 SettingsManager]: * Use SBE=true [2021-12-21 20:40:14,657 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-21 20:40:14,658 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-21 20:40:14,658 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-21 20:40:14,658 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-21 20:40:14,658 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-12-21 20:40:14,658 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-12-21 20:40:14,658 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-12-21 20:40:14,658 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-21 20:40:14,659 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-21 20:40:14,659 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-21 20:40:14,659 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-21 20:40:14,659 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-21 20:40:14,659 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-21 20:40:14,659 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-21 20:40:14,660 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-21 20:40:14,660 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-21 20:40:14,660 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-21 20:40:14,660 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-21 20:40:14,660 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-21 20:40:14,660 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 983cec69549e2e1e8fd4af811fefcb63625f41eb81ec9e5957d0ba81a05cd15e [2021-12-21 20:40:14,836 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-21 20:40:14,858 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-21 20:40:14,859 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-21 20:40:14,860 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-21 20:40:14,861 INFO L275 PluginConnector]: CDTParser initialized [2021-12-21 20:40:14,862 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/busybox-1.22.0/readlink-2.i [2021-12-21 20:40:14,904 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f6ad3acb1/1a8cda4557b34862a92bf6480a2e2d49/FLAG02fb95cb0 [2021-12-21 20:40:15,368 INFO L306 CDTParser]: Found 1 translation units. [2021-12-21 20:40:15,368 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/busybox-1.22.0/readlink-2.i [2021-12-21 20:40:15,392 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f6ad3acb1/1a8cda4557b34862a92bf6480a2e2d49/FLAG02fb95cb0 [2021-12-21 20:40:15,651 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f6ad3acb1/1a8cda4557b34862a92bf6480a2e2d49 [2021-12-21 20:40:15,668 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-21 20:40:15,670 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-21 20:40:15,675 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-21 20:40:15,675 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-21 20:40:15,677 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-21 20:40:15,677 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 08:40:15" (1/1) ... [2021-12-21 20:40:15,679 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@df6397a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 08:40:15, skipping insertion in model container [2021-12-21 20:40:15,679 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 08:40:15" (1/1) ... [2021-12-21 20:40:15,685 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-21 20:40:15,796 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-21 20:40:16,475 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg_and_die [2021-12-21 20:40:16,475 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2b922151 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 08:40:16, skipping insertion in model container [2021-12-21 20:40:16,475 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-21 20:40:16,475 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-12-21 20:40:16,477 INFO L158 Benchmark]: Toolchain (without parser) took 806.50ms. Allocated memory is still 123.7MB. Free memory was 88.9MB in the beginning and 84.7MB in the end (delta: 4.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2021-12-21 20:40:16,478 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 83.9MB. Free memory was 43.9MB in the beginning and 43.8MB in the end (delta: 40.5kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-21 20:40:16,478 INFO L158 Benchmark]: CACSL2BoogieTranslator took 800.76ms. Allocated memory is still 123.7MB. Free memory was 88.6MB in the beginning and 84.7MB in the end (delta: 4.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-12-21 20:40:16,479 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 83.9MB. Free memory was 43.9MB in the beginning and 43.8MB in the end (delta: 40.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 800.76ms. Allocated memory is still 123.7MB. Free memory was 88.6MB in the beginning and 84.7MB in the end (delta: 4.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2359]: Unsupported Syntax encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg_and_die 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/readlink-2.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 983cec69549e2e1e8fd4af811fefcb63625f41eb81ec9e5957d0ba81a05cd15e --- Real Ultimate output --- This is Ultimate 0.2.2-dev-ff03de6 [2021-12-21 20:40:18,300 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-21 20:40:18,305 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-21 20:40:18,345 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-21 20:40:18,346 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-21 20:40:18,346 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-21 20:40:18,347 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-21 20:40:18,348 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-21 20:40:18,349 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-21 20:40:18,350 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-21 20:40:18,350 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-21 20:40:18,351 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-21 20:40:18,351 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-21 20:40:18,368 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-21 20:40:18,369 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-21 20:40:18,370 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-21 20:40:18,370 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-21 20:40:18,371 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-21 20:40:18,372 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-21 20:40:18,373 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-21 20:40:18,375 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-21 20:40:18,375 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-21 20:40:18,376 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-21 20:40:18,377 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-21 20:40:18,379 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-21 20:40:18,387 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-21 20:40:18,387 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-21 20:40:18,388 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-21 20:40:18,388 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-21 20:40:18,389 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-21 20:40:18,389 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-21 20:40:18,390 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-21 20:40:18,390 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-21 20:40:18,391 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-21 20:40:18,392 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-21 20:40:18,393 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-21 20:40:18,394 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-21 20:40:18,395 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-21 20:40:18,395 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-21 20:40:18,396 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-21 20:40:18,397 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-21 20:40:18,398 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Bitvector.epf [2021-12-21 20:40:18,423 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-21 20:40:18,424 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-21 20:40:18,424 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-21 20:40:18,425 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-21 20:40:18,425 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-21 20:40:18,426 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-21 20:40:18,426 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-21 20:40:18,427 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-21 20:40:18,427 INFO L138 SettingsManager]: * Use SBE=true [2021-12-21 20:40:18,427 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-21 20:40:18,428 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-21 20:40:18,428 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-21 20:40:18,428 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-21 20:40:18,428 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-12-21 20:40:18,428 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-12-21 20:40:18,428 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-12-21 20:40:18,428 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-21 20:40:18,429 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-21 20:40:18,429 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-12-21 20:40:18,429 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-12-21 20:40:18,429 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-21 20:40:18,429 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-21 20:40:18,429 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-21 20:40:18,430 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-21 20:40:18,430 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-21 20:40:18,430 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-21 20:40:18,430 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-21 20:40:18,430 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-12-21 20:40:18,430 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-12-21 20:40:18,431 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-21 20:40:18,431 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-12-21 20:40:18,431 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 983cec69549e2e1e8fd4af811fefcb63625f41eb81ec9e5957d0ba81a05cd15e [2021-12-21 20:40:18,676 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-21 20:40:18,690 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-21 20:40:18,692 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-21 20:40:18,693 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-21 20:40:18,693 INFO L275 PluginConnector]: CDTParser initialized [2021-12-21 20:40:18,694 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/busybox-1.22.0/readlink-2.i [2021-12-21 20:40:18,754 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f9423e76e/bdfa71d50ce44626b35ca8567af84cf4/FLAG00f365e09 [2021-12-21 20:40:19,474 INFO L306 CDTParser]: Found 1 translation units. [2021-12-21 20:40:19,474 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/busybox-1.22.0/readlink-2.i [2021-12-21 20:40:19,491 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f9423e76e/bdfa71d50ce44626b35ca8567af84cf4/FLAG00f365e09 [2021-12-21 20:40:19,775 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f9423e76e/bdfa71d50ce44626b35ca8567af84cf4 [2021-12-21 20:40:19,777 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-21 20:40:19,778 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-21 20:40:19,779 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-21 20:40:19,779 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-21 20:40:19,781 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-21 20:40:19,781 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 08:40:19" (1/1) ... [2021-12-21 20:40:19,782 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f3b4161 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 08:40:19, skipping insertion in model container [2021-12-21 20:40:19,782 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 08:40:19" (1/1) ... [2021-12-21 20:40:19,786 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-21 20:40:19,839 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-21 20:40:20,472 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg_and_die [2021-12-21 20:40:20,473 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@7cc30371 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 08:40:20, skipping insertion in model container [2021-12-21 20:40:20,473 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-21 20:40:20,473 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-12-21 20:40:20,475 INFO L158 Benchmark]: Toolchain (without parser) took 696.12ms. Allocated memory was 50.3MB in the beginning and 67.1MB in the end (delta: 16.8MB). Free memory was 31.4MB in the beginning and 35.7MB in the end (delta: -4.3MB). Peak memory consumption was 12.2MB. Max. memory is 16.1GB. [2021-12-21 20:40:20,475 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 50.3MB. Free memory was 32.2MB in the beginning and 32.1MB in the end (delta: 31.8kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-21 20:40:20,476 INFO L158 Benchmark]: CACSL2BoogieTranslator took 694.67ms. Allocated memory was 50.3MB in the beginning and 67.1MB in the end (delta: 16.8MB). Free memory was 31.3MB in the beginning and 35.7MB in the end (delta: -4.4MB). Peak memory consumption was 12.2MB. Max. memory is 16.1GB. [2021-12-21 20:40:20,480 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 50.3MB. Free memory was 32.2MB in the beginning and 32.1MB in the end (delta: 31.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 694.67ms. Allocated memory was 50.3MB in the beginning and 67.1MB in the end (delta: 16.8MB). Free memory was 31.3MB in the beginning and 35.7MB in the end (delta: -4.4MB). Peak memory consumption was 12.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2359]: Unsupported Syntax encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg_and_die 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