./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 3dbbec33 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-?-3dbbec3 [2023-02-14 14:03:13,685 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-02-14 14:03:13,687 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-02-14 14:03:13,703 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-02-14 14:03:13,704 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-02-14 14:03:13,705 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-02-14 14:03:13,705 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-02-14 14:03:13,706 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-02-14 14:03:13,707 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-02-14 14:03:13,708 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-02-14 14:03:13,709 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-02-14 14:03:13,709 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-02-14 14:03:13,710 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-02-14 14:03:13,710 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-02-14 14:03:13,711 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-02-14 14:03:13,712 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-02-14 14:03:13,712 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-02-14 14:03:13,713 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-02-14 14:03:13,713 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-02-14 14:03:13,715 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-02-14 14:03:13,715 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-02-14 14:03:13,718 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-02-14 14:03:13,718 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-02-14 14:03:13,720 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-02-14 14:03:13,723 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-02-14 14:03:13,726 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-02-14 14:03:13,726 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-02-14 14:03:13,727 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-02-14 14:03:13,728 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-02-14 14:03:13,728 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-02-14 14:03:13,730 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-02-14 14:03:13,730 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-02-14 14:03:13,731 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-02-14 14:03:13,732 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-02-14 14:03:13,732 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-02-14 14:03:13,733 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-02-14 14:03:13,733 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-02-14 14:03:13,733 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-02-14 14:03:13,734 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-02-14 14:03:13,735 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-02-14 14:03:13,736 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-02-14 14:03:13,736 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Default.epf [2023-02-14 14:03:13,758 INFO L113 SettingsManager]: Loading preferences was successful [2023-02-14 14:03:13,760 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-02-14 14:03:13,761 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-02-14 14:03:13,761 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-02-14 14:03:13,762 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-02-14 14:03:13,762 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-02-14 14:03:13,762 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-02-14 14:03:13,763 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-02-14 14:03:13,763 INFO L138 SettingsManager]: * Use SBE=true [2023-02-14 14:03:13,763 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-02-14 14:03:13,764 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-02-14 14:03:13,764 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-02-14 14:03:13,764 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-02-14 14:03:13,764 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-02-14 14:03:13,764 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2023-02-14 14:03:13,764 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-02-14 14:03:13,764 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-02-14 14:03:13,765 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-02-14 14:03:13,765 INFO L138 SettingsManager]: * Use constant arrays=true [2023-02-14 14:03:13,765 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-02-14 14:03:13,765 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-02-14 14:03:13,765 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-02-14 14:03:13,766 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-02-14 14:03:13,766 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-02-14 14:03:13,766 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-02-14 14:03:13,766 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-02-14 14:03:13,766 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-02-14 14:03:13,766 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-02-14 14:03:13,766 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-02-14 14:03:13,767 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-02-14 14:03:13,767 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-02-14 14:03:13,767 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 983cec69549e2e1e8fd4af811fefcb63625f41eb81ec9e5957d0ba81a05cd15e [2023-02-14 14:03:13,970 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-02-14 14:03:13,991 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-02-14 14:03:13,994 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-02-14 14:03:13,995 INFO L271 PluginConnector]: Initializing CDTParser... [2023-02-14 14:03:13,995 INFO L275 PluginConnector]: CDTParser initialized [2023-02-14 14:03:13,996 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/busybox-1.22.0/readlink-2.i [2023-02-14 14:03:15,011 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-02-14 14:03:15,260 INFO L351 CDTParser]: Found 1 translation units. [2023-02-14 14:03:15,261 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/busybox-1.22.0/readlink-2.i [2023-02-14 14:03:15,279 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6c124ce1f/510d6d25416242b5b47f4d0ecd5e0f09/FLAG4f91026bc [2023-02-14 14:03:15,290 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6c124ce1f/510d6d25416242b5b47f4d0ecd5e0f09 [2023-02-14 14:03:15,292 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-02-14 14:03:15,293 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-02-14 14:03:15,294 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-02-14 14:03:15,294 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-02-14 14:03:15,296 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-02-14 14:03:15,297 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.02 02:03:15" (1/1) ... [2023-02-14 14:03:15,297 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18e079b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 02:03:15, skipping insertion in model container [2023-02-14 14:03:15,297 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.02 02:03:15" (1/1) ... [2023-02-14 14:03:15,302 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-02-14 14:03:15,363 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-02-14 14:03:15,992 WARN L623 FunctionHandler]: Unknown extern function strerror [2023-02-14 14:03:15,994 WARN L623 FunctionHandler]: Unknown extern function strtoul [2023-02-14 14:03:15,997 WARN L623 FunctionHandler]: Unknown extern function vasprintf [2023-02-14 14:03:16,009 WARN L623 FunctionHandler]: Unknown extern function syslog [2023-02-14 14:03:16,014 WARN L623 FunctionHandler]: Unknown extern function fflush [2023-02-14 14:03:16,016 WARN L623 FunctionHandler]: Unknown extern function fflush [2023-02-14 14:03:16,019 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 [2023-02-14 14:03:16,019 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1b3c5778 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 02:03:16, skipping insertion in model container [2023-02-14 14:03:16,019 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-02-14 14:03:16,020 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2023-02-14 14:03:16,021 INFO L158 Benchmark]: Toolchain (without parser) took 727.62ms. Allocated memory is still 155.2MB. Free memory was 103.2MB in the beginning and 76.0MB in the end (delta: 27.2MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2023-02-14 14:03:16,021 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 155.2MB. Free memory is still 128.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-02-14 14:03:16,022 INFO L158 Benchmark]: CACSL2BoogieTranslator took 726.00ms. Allocated memory is still 155.2MB. Free memory was 103.2MB in the beginning and 76.0MB in the end (delta: 27.2MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2023-02-14 14:03:16,023 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 155.2MB. Free memory is still 128.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 726.00ms. Allocated memory is still 155.2MB. Free memory was 103.2MB in the beginning and 76.0MB in the end (delta: 27.2MB). Peak memory consumption was 29.4MB. 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-?-3dbbec3 [2023-02-14 14:03:17,531 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-02-14 14:03:17,533 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-02-14 14:03:17,567 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-02-14 14:03:17,569 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-02-14 14:03:17,571 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-02-14 14:03:17,573 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-02-14 14:03:17,575 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-02-14 14:03:17,578 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-02-14 14:03:17,580 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-02-14 14:03:17,581 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-02-14 14:03:17,582 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-02-14 14:03:17,583 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-02-14 14:03:17,585 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-02-14 14:03:17,586 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-02-14 14:03:17,587 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-02-14 14:03:17,588 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-02-14 14:03:17,591 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-02-14 14:03:17,592 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-02-14 14:03:17,594 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-02-14 14:03:17,596 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-02-14 14:03:17,597 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-02-14 14:03:17,598 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-02-14 14:03:17,598 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-02-14 14:03:17,603 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-02-14 14:03:17,604 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-02-14 14:03:17,604 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-02-14 14:03:17,604 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-02-14 14:03:17,605 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-02-14 14:03:17,605 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-02-14 14:03:17,606 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-02-14 14:03:17,606 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-02-14 14:03:17,607 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-02-14 14:03:17,607 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-02-14 14:03:17,608 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-02-14 14:03:17,608 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-02-14 14:03:17,608 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-02-14 14:03:17,609 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-02-14 14:03:17,609 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-02-14 14:03:17,609 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-02-14 14:03:17,610 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-02-14 14:03:17,617 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Bitvector.epf [2023-02-14 14:03:17,639 INFO L113 SettingsManager]: Loading preferences was successful [2023-02-14 14:03:17,640 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-02-14 14:03:17,640 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-02-14 14:03:17,640 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-02-14 14:03:17,641 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-02-14 14:03:17,641 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-02-14 14:03:17,641 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-02-14 14:03:17,641 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-02-14 14:03:17,641 INFO L138 SettingsManager]: * Use SBE=true [2023-02-14 14:03:17,642 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-02-14 14:03:17,642 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-02-14 14:03:17,642 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-02-14 14:03:17,643 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-02-14 14:03:17,643 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-02-14 14:03:17,643 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2023-02-14 14:03:17,643 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-02-14 14:03:17,643 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-02-14 14:03:17,643 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-02-14 14:03:17,643 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2023-02-14 14:03:17,644 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-02-14 14:03:17,644 INFO L138 SettingsManager]: * Use constant arrays=true [2023-02-14 14:03:17,644 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-02-14 14:03:17,644 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-02-14 14:03:17,645 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-02-14 14:03:17,645 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-02-14 14:03:17,645 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-02-14 14:03:17,645 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-02-14 14:03:17,645 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2023-02-14 14:03:17,645 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-02-14 14:03:17,646 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-02-14 14:03:17,646 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-02-14 14:03:17,646 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-02-14 14:03:17,646 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2023-02-14 14:03:17,646 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-02-14 14:03:17,646 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 983cec69549e2e1e8fd4af811fefcb63625f41eb81ec9e5957d0ba81a05cd15e [2023-02-14 14:03:17,899 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-02-14 14:03:17,912 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-02-14 14:03:17,914 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-02-14 14:03:17,915 INFO L271 PluginConnector]: Initializing CDTParser... [2023-02-14 14:03:17,915 INFO L275 PluginConnector]: CDTParser initialized [2023-02-14 14:03:17,916 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/busybox-1.22.0/readlink-2.i [2023-02-14 14:03:18,970 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-02-14 14:03:19,296 INFO L351 CDTParser]: Found 1 translation units. [2023-02-14 14:03:19,296 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/busybox-1.22.0/readlink-2.i [2023-02-14 14:03:19,322 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1ae412502/1298b10457704513b49b82eae350bf91/FLAG85f8e4674 [2023-02-14 14:03:19,332 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1ae412502/1298b10457704513b49b82eae350bf91 [2023-02-14 14:03:19,334 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-02-14 14:03:19,335 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-02-14 14:03:19,336 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-02-14 14:03:19,336 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-02-14 14:03:19,346 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-02-14 14:03:19,347 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.02 02:03:19" (1/1) ... [2023-02-14 14:03:19,349 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@371f2925 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 02:03:19, skipping insertion in model container [2023-02-14 14:03:19,349 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.02 02:03:19" (1/1) ... [2023-02-14 14:03:19,354 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-02-14 14:03:19,407 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-02-14 14:03:20,010 WARN L623 FunctionHandler]: Unknown extern function strerror [2023-02-14 14:03:20,011 WARN L623 FunctionHandler]: Unknown extern function strtoul [2023-02-14 14:03:20,013 WARN L623 FunctionHandler]: Unknown extern function vasprintf [2023-02-14 14:03:20,027 WARN L623 FunctionHandler]: Unknown extern function syslog [2023-02-14 14:03:20,032 WARN L623 FunctionHandler]: Unknown extern function fflush [2023-02-14 14:03:20,034 WARN L623 FunctionHandler]: Unknown extern function fflush [2023-02-14 14:03:20,037 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 [2023-02-14 14:03:20,037 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1576609 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 02:03:20, skipping insertion in model container [2023-02-14 14:03:20,038 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-02-14 14:03:20,038 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2023-02-14 14:03:20,039 INFO L158 Benchmark]: Toolchain (without parser) took 703.33ms. Allocated memory is still 115.3MB. Free memory was 88.2MB in the beginning and 59.4MB in the end (delta: 28.8MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2023-02-14 14:03:20,040 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 75.5MB. Free memory is still 52.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-02-14 14:03:20,040 INFO L158 Benchmark]: CACSL2BoogieTranslator took 701.78ms. Allocated memory is still 115.3MB. Free memory was 87.8MB in the beginning and 59.4MB in the end (delta: 28.4MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2023-02-14 14:03:20,041 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 75.5MB. Free memory is still 52.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 701.78ms. Allocated memory is still 115.3MB. Free memory was 87.8MB in the beginning and 59.4MB in the end (delta: 28.4MB). Peak memory consumption was 29.4MB. 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