./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 574ddb4e 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-?-574ddb4 [2023-02-18 22:32:55,756 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-02-18 22:32:55,758 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-02-18 22:32:55,780 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-02-18 22:32:55,781 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-02-18 22:32:55,781 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-02-18 22:32:55,782 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-02-18 22:32:55,783 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-02-18 22:32:55,784 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-02-18 22:32:55,785 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-02-18 22:32:55,785 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-02-18 22:32:55,786 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-02-18 22:32:55,786 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-02-18 22:32:55,787 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-02-18 22:32:55,788 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-02-18 22:32:55,788 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-02-18 22:32:55,789 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-02-18 22:32:55,789 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-02-18 22:32:55,790 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-02-18 22:32:55,791 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-02-18 22:32:55,792 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-02-18 22:32:55,797 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-02-18 22:32:55,798 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-02-18 22:32:55,799 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-02-18 22:32:55,801 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-02-18 22:32:55,801 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-02-18 22:32:55,801 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-02-18 22:32:55,801 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-02-18 22:32:55,802 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-02-18 22:32:55,802 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-02-18 22:32:55,802 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-02-18 22:32:55,803 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-02-18 22:32:55,803 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-02-18 22:32:55,804 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-02-18 22:32:55,804 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-02-18 22:32:55,805 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-02-18 22:32:55,805 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-02-18 22:32:55,805 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-02-18 22:32:55,805 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-02-18 22:32:55,806 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-02-18 22:32:55,806 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-02-18 22:32:55,812 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Default.epf [2023-02-18 22:32:55,830 INFO L113 SettingsManager]: Loading preferences was successful [2023-02-18 22:32:55,830 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-02-18 22:32:55,831 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-02-18 22:32:55,831 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-02-18 22:32:55,831 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-02-18 22:32:55,832 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-02-18 22:32:55,832 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-02-18 22:32:55,833 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-02-18 22:32:55,833 INFO L138 SettingsManager]: * Use SBE=true [2023-02-18 22:32:55,833 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-02-18 22:32:55,833 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-02-18 22:32:55,833 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-02-18 22:32:55,834 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-02-18 22:32:55,834 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-02-18 22:32:55,834 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2023-02-18 22:32:55,834 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-02-18 22:32:55,834 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-02-18 22:32:55,834 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-02-18 22:32:55,834 INFO L138 SettingsManager]: * Use constant arrays=true [2023-02-18 22:32:55,834 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-02-18 22:32:55,834 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-02-18 22:32:55,834 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-02-18 22:32:55,834 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-02-18 22:32:55,835 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-02-18 22:32:55,835 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-02-18 22:32:55,835 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-02-18 22:32:55,835 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-02-18 22:32:55,835 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-02-18 22:32:55,835 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-02-18 22:32:55,835 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-02-18 22:32:55,835 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-02-18 22:32:55,835 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 983cec69549e2e1e8fd4af811fefcb63625f41eb81ec9e5957d0ba81a05cd15e [2023-02-18 22:32:55,990 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-02-18 22:32:56,006 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-02-18 22:32:56,008 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-02-18 22:32:56,009 INFO L271 PluginConnector]: Initializing CDTParser... [2023-02-18 22:32:56,009 INFO L275 PluginConnector]: CDTParser initialized [2023-02-18 22:32:56,010 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/busybox-1.22.0/readlink-2.i [2023-02-18 22:32:56,913 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-02-18 22:32:57,199 INFO L351 CDTParser]: Found 1 translation units. [2023-02-18 22:32:57,199 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/busybox-1.22.0/readlink-2.i [2023-02-18 22:32:57,222 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2e68e6b8d/70df5087d43e40679ad19057c2fd326e/FLAG2ba222350 [2023-02-18 22:32:57,236 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2e68e6b8d/70df5087d43e40679ad19057c2fd326e [2023-02-18 22:32:57,238 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-02-18 22:32:57,239 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-02-18 22:32:57,241 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-02-18 22:32:57,241 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-02-18 22:32:57,243 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-02-18 22:32:57,244 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.02 10:32:57" (1/1) ... [2023-02-18 22:32:57,245 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@621adfb2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 10:32:57, skipping insertion in model container [2023-02-18 22:32:57,246 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.02 10:32:57" (1/1) ... [2023-02-18 22:32:57,250 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-02-18 22:32:57,300 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-02-18 22:32:57,861 WARN L623 FunctionHandler]: Unknown extern function strerror [2023-02-18 22:32:57,862 WARN L623 FunctionHandler]: Unknown extern function strtoul [2023-02-18 22:32:57,864 WARN L623 FunctionHandler]: Unknown extern function vasprintf [2023-02-18 22:32:57,879 WARN L623 FunctionHandler]: Unknown extern function syslog [2023-02-18 22:32:57,884 WARN L623 FunctionHandler]: Unknown extern function fflush [2023-02-18 22:32:57,886 WARN L623 FunctionHandler]: Unknown extern function fflush [2023-02-18 22:32:57,889 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 [2023-02-18 22:32:57,889 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@41ea49d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 10:32:57, skipping insertion in model container [2023-02-18 22:32:57,889 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-02-18 22:32:57,890 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2023-02-18 22:32:57,891 INFO L158 Benchmark]: Toolchain (without parser) took 651.10ms. Allocated memory is still 125.8MB. Free memory was 90.2MB in the beginning and 63.0MB in the end (delta: 27.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2023-02-18 22:32:57,891 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 125.8MB. Free memory is still 72.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-02-18 22:32:57,892 INFO L158 Benchmark]: CACSL2BoogieTranslator took 648.78ms. Allocated memory is still 125.8MB. Free memory was 89.8MB in the beginning and 63.0MB in the end (delta: 26.8MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2023-02-18 22:32:57,893 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 125.8MB. Free memory is still 72.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 648.78ms. Allocated memory is still 125.8MB. Free memory was 89.8MB in the beginning and 63.0MB in the end (delta: 26.8MB). Peak memory consumption was 27.3MB. 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-?-574ddb4 [2023-02-18 22:32:59,407 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-02-18 22:32:59,409 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-02-18 22:32:59,438 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-02-18 22:32:59,438 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-02-18 22:32:59,441 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-02-18 22:32:59,442 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-02-18 22:32:59,444 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-02-18 22:32:59,448 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-02-18 22:32:59,452 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-02-18 22:32:59,453 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-02-18 22:32:59,455 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-02-18 22:32:59,455 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-02-18 22:32:59,456 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-02-18 22:32:59,462 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-02-18 22:32:59,465 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-02-18 22:32:59,466 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-02-18 22:32:59,467 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-02-18 22:32:59,468 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-02-18 22:32:59,471 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-02-18 22:32:59,472 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-02-18 22:32:59,473 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-02-18 22:32:59,473 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-02-18 22:32:59,474 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-02-18 22:32:59,476 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-02-18 22:32:59,476 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-02-18 22:32:59,476 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-02-18 22:32:59,477 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-02-18 22:32:59,478 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-02-18 22:32:59,478 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-02-18 22:32:59,478 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-02-18 22:32:59,480 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-02-18 22:32:59,481 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-02-18 22:32:59,481 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-02-18 22:32:59,482 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-02-18 22:32:59,482 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-02-18 22:32:59,482 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-02-18 22:32:59,482 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-02-18 22:32:59,482 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-02-18 22:32:59,483 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-02-18 22:32:59,483 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-02-18 22:32:59,484 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Bitvector.epf [2023-02-18 22:32:59,508 INFO L113 SettingsManager]: Loading preferences was successful [2023-02-18 22:32:59,508 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-02-18 22:32:59,509 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-02-18 22:32:59,509 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-02-18 22:32:59,510 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-02-18 22:32:59,510 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-02-18 22:32:59,511 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-02-18 22:32:59,511 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-02-18 22:32:59,511 INFO L138 SettingsManager]: * Use SBE=true [2023-02-18 22:32:59,511 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-02-18 22:32:59,512 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-02-18 22:32:59,512 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-02-18 22:32:59,512 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-02-18 22:32:59,512 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-02-18 22:32:59,512 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2023-02-18 22:32:59,512 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-02-18 22:32:59,513 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-02-18 22:32:59,513 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-02-18 22:32:59,513 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2023-02-18 22:32:59,513 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-02-18 22:32:59,513 INFO L138 SettingsManager]: * Use constant arrays=true [2023-02-18 22:32:59,513 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-02-18 22:32:59,513 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-02-18 22:32:59,514 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-02-18 22:32:59,514 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-02-18 22:32:59,514 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-02-18 22:32:59,514 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-02-18 22:32:59,514 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2023-02-18 22:32:59,514 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-02-18 22:32:59,514 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-02-18 22:32:59,515 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-02-18 22:32:59,515 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-02-18 22:32:59,515 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2023-02-18 22:32:59,515 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-02-18 22:32:59,515 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 983cec69549e2e1e8fd4af811fefcb63625f41eb81ec9e5957d0ba81a05cd15e [2023-02-18 22:32:59,768 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-02-18 22:32:59,784 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-02-18 22:32:59,786 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-02-18 22:32:59,787 INFO L271 PluginConnector]: Initializing CDTParser... [2023-02-18 22:32:59,787 INFO L275 PluginConnector]: CDTParser initialized [2023-02-18 22:32:59,788 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/busybox-1.22.0/readlink-2.i [2023-02-18 22:33:00,808 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-02-18 22:33:01,075 INFO L351 CDTParser]: Found 1 translation units. [2023-02-18 22:33:01,075 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/busybox-1.22.0/readlink-2.i [2023-02-18 22:33:01,095 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/478d42382/27fa2ece2a844d2f8c178fdca7a3df15/FLAG0f03188e6 [2023-02-18 22:33:01,106 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/478d42382/27fa2ece2a844d2f8c178fdca7a3df15 [2023-02-18 22:33:01,107 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-02-18 22:33:01,109 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-02-18 22:33:01,109 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-02-18 22:33:01,110 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-02-18 22:33:01,111 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-02-18 22:33:01,112 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.02 10:33:01" (1/1) ... [2023-02-18 22:33:01,113 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43bb61ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 10:33:01, skipping insertion in model container [2023-02-18 22:33:01,113 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.02 10:33:01" (1/1) ... [2023-02-18 22:33:01,117 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-02-18 22:33:01,192 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-02-18 22:33:01,816 WARN L623 FunctionHandler]: Unknown extern function strerror [2023-02-18 22:33:01,817 WARN L623 FunctionHandler]: Unknown extern function strtoul [2023-02-18 22:33:01,820 WARN L623 FunctionHandler]: Unknown extern function vasprintf [2023-02-18 22:33:01,832 WARN L623 FunctionHandler]: Unknown extern function syslog [2023-02-18 22:33:01,837 WARN L623 FunctionHandler]: Unknown extern function fflush [2023-02-18 22:33:01,839 WARN L623 FunctionHandler]: Unknown extern function fflush [2023-02-18 22:33:01,841 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 [2023-02-18 22:33:01,842 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@4386e58a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 10:33:01, skipping insertion in model container [2023-02-18 22:33:01,842 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-02-18 22:33:01,842 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2023-02-18 22:33:01,843 INFO L158 Benchmark]: Toolchain (without parser) took 733.95ms. Allocated memory was 67.1MB in the beginning and 83.9MB in the end (delta: 16.8MB). Free memory was 39.0MB in the beginning and 44.1MB in the end (delta: -5.1MB). Peak memory consumption was 12.3MB. Max. memory is 16.1GB. [2023-02-18 22:33:01,844 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 67.1MB. Free memory was 43.8MB in the beginning and 43.8MB in the end (delta: 46.1kB). There was no memory consumed. Max. memory is 16.1GB. [2023-02-18 22:33:01,845 INFO L158 Benchmark]: CACSL2BoogieTranslator took 732.53ms. Allocated memory was 67.1MB in the beginning and 83.9MB in the end (delta: 16.8MB). Free memory was 38.8MB in the beginning and 44.1MB in the end (delta: -5.3MB). Peak memory consumption was 12.3MB. Max. memory is 16.1GB. [2023-02-18 22:33:01,846 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 67.1MB. Free memory was 43.8MB in the beginning and 43.8MB in the end (delta: 46.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 732.53ms. Allocated memory was 67.1MB in the beginning and 83.9MB in the end (delta: 16.8MB). Free memory was 38.8MB in the beginning and 44.1MB in the end (delta: -5.3MB). Peak memory consumption was 12.3MB. 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