./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 26d01a9c 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-?-26d01a9 [2023-02-18 07:12:55,244 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-02-18 07:12:55,245 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-02-18 07:12:55,276 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-02-18 07:12:55,276 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-02-18 07:12:55,278 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-02-18 07:12:55,279 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-02-18 07:12:55,281 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-02-18 07:12:55,282 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-02-18 07:12:55,285 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-02-18 07:12:55,286 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-02-18 07:12:55,288 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-02-18 07:12:55,288 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-02-18 07:12:55,290 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-02-18 07:12:55,290 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-02-18 07:12:55,291 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-02-18 07:12:55,292 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-02-18 07:12:55,293 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-02-18 07:12:55,294 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-02-18 07:12:55,297 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-02-18 07:12:55,298 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-02-18 07:12:55,299 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-02-18 07:12:55,300 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-02-18 07:12:55,300 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-02-18 07:12:55,306 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-02-18 07:12:55,306 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-02-18 07:12:55,306 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-02-18 07:12:55,307 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-02-18 07:12:55,308 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-02-18 07:12:55,308 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-02-18 07:12:55,309 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-02-18 07:12:55,309 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-02-18 07:12:55,311 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-02-18 07:12:55,311 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-02-18 07:12:55,311 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-02-18 07:12:55,312 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-02-18 07:12:55,312 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-02-18 07:12:55,312 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-02-18 07:12:55,312 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-02-18 07:12:55,313 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-02-18 07:12:55,314 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-02-18 07:12:55,314 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Default.epf [2023-02-18 07:12:55,351 INFO L113 SettingsManager]: Loading preferences was successful [2023-02-18 07:12:55,351 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-02-18 07:12:55,351 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-02-18 07:12:55,352 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-02-18 07:12:55,352 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-02-18 07:12:55,352 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-02-18 07:12:55,353 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-02-18 07:12:55,353 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-02-18 07:12:55,353 INFO L138 SettingsManager]: * Use SBE=true [2023-02-18 07:12:55,353 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-02-18 07:12:55,354 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-02-18 07:12:55,354 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-02-18 07:12:55,354 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-02-18 07:12:55,354 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-02-18 07:12:55,354 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2023-02-18 07:12:55,355 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-02-18 07:12:55,355 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-02-18 07:12:55,355 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-02-18 07:12:55,355 INFO L138 SettingsManager]: * Use constant arrays=true [2023-02-18 07:12:55,355 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-02-18 07:12:55,355 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-02-18 07:12:55,355 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-02-18 07:12:55,355 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-02-18 07:12:55,356 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-02-18 07:12:55,356 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-02-18 07:12:55,356 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-02-18 07:12:55,356 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-02-18 07:12:55,356 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-02-18 07:12:55,356 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-02-18 07:12:55,356 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-02-18 07:12:55,357 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-02-18 07:12:55,357 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 983cec69549e2e1e8fd4af811fefcb63625f41eb81ec9e5957d0ba81a05cd15e [2023-02-18 07:12:55,534 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-02-18 07:12:55,555 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-02-18 07:12:55,558 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-02-18 07:12:55,559 INFO L271 PluginConnector]: Initializing CDTParser... [2023-02-18 07:12:55,560 INFO L275 PluginConnector]: CDTParser initialized [2023-02-18 07:12:55,561 INFO L432 ainManager$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 07:12:56,590 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-02-18 07:12:56,881 INFO L351 CDTParser]: Found 1 translation units. [2023-02-18 07:12:56,882 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/busybox-1.22.0/readlink-2.i [2023-02-18 07:12:56,903 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fdf37a373/40f8fa6a05c64df8a445562def4a6706/FLAG832e2bf31 [2023-02-18 07:12:56,915 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fdf37a373/40f8fa6a05c64df8a445562def4a6706 [2023-02-18 07:12:56,916 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-02-18 07:12:56,917 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-02-18 07:12:56,919 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-02-18 07:12:56,919 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-02-18 07:12:56,922 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-02-18 07:12:56,922 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.02 07:12:56" (1/1) ... [2023-02-18 07:12:56,923 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35e10e46 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 07:12:56, skipping insertion in model container [2023-02-18 07:12:56,923 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.02 07:12:56" (1/1) ... [2023-02-18 07:12:56,927 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-02-18 07:12:56,977 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-02-18 07:12:57,729 WARN L623 FunctionHandler]: Unknown extern function strerror [2023-02-18 07:12:57,730 WARN L623 FunctionHandler]: Unknown extern function strtoul [2023-02-18 07:12:57,732 WARN L623 FunctionHandler]: Unknown extern function vasprintf [2023-02-18 07:12:57,739 WARN L623 FunctionHandler]: Unknown extern function syslog [2023-02-18 07:12:57,740 WARN L623 FunctionHandler]: Unknown extern function fflush [2023-02-18 07:12:57,742 WARN L623 FunctionHandler]: Unknown extern function fflush [2023-02-18 07:12:57,743 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 07:12:57,743 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3e196ef5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 07:12:57, skipping insertion in model container [2023-02-18 07:12:57,743 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-02-18 07:12:57,744 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2023-02-18 07:12:57,745 INFO L158 Benchmark]: Toolchain (without parser) took 826.95ms. Allocated memory is still 153.1MB. Free memory was 100.6MB in the beginning and 73.3MB in the end (delta: 27.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2023-02-18 07:12:57,745 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 153.1MB. Free memory is still 119.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-02-18 07:12:57,746 INFO L158 Benchmark]: CACSL2BoogieTranslator took 824.43ms. Allocated memory is still 153.1MB. Free memory was 100.6MB in the beginning and 73.3MB in the end (delta: 27.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2023-02-18 07:12:57,747 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 153.1MB. Free memory is still 119.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 824.43ms. Allocated memory is still 153.1MB. Free memory was 100.6MB in the beginning and 73.3MB in the end (delta: 27.3MB). 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-?-26d01a9 [2023-02-18 07:12:59,257 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-02-18 07:12:59,259 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-02-18 07:12:59,290 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-02-18 07:12:59,291 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-02-18 07:12:59,292 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-02-18 07:12:59,293 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-02-18 07:12:59,294 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-02-18 07:12:59,295 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-02-18 07:12:59,295 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-02-18 07:12:59,296 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-02-18 07:12:59,297 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-02-18 07:12:59,297 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-02-18 07:12:59,297 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-02-18 07:12:59,298 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-02-18 07:12:59,299 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-02-18 07:12:59,299 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-02-18 07:12:59,300 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-02-18 07:12:59,301 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-02-18 07:12:59,302 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-02-18 07:12:59,303 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-02-18 07:12:59,304 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-02-18 07:12:59,305 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-02-18 07:12:59,305 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-02-18 07:12:59,308 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-02-18 07:12:59,308 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-02-18 07:12:59,308 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-02-18 07:12:59,309 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-02-18 07:12:59,309 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-02-18 07:12:59,310 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-02-18 07:12:59,310 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-02-18 07:12:59,311 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-02-18 07:12:59,312 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-02-18 07:12:59,312 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-02-18 07:12:59,313 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-02-18 07:12:59,313 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-02-18 07:12:59,314 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-02-18 07:12:59,314 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-02-18 07:12:59,314 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-02-18 07:12:59,315 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-02-18 07:12:59,315 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-02-18 07:12:59,319 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Bitvector.epf [2023-02-18 07:12:59,347 INFO L113 SettingsManager]: Loading preferences was successful [2023-02-18 07:12:59,348 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-02-18 07:12:59,349 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-02-18 07:12:59,349 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-02-18 07:12:59,350 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-02-18 07:12:59,350 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-02-18 07:12:59,350 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-02-18 07:12:59,350 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-02-18 07:12:59,351 INFO L138 SettingsManager]: * Use SBE=true [2023-02-18 07:12:59,351 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-02-18 07:12:59,351 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-02-18 07:12:59,352 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-02-18 07:12:59,352 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-02-18 07:12:59,352 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-02-18 07:12:59,352 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2023-02-18 07:12:59,352 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-02-18 07:12:59,352 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-02-18 07:12:59,353 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-02-18 07:12:59,353 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2023-02-18 07:12:59,353 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-02-18 07:12:59,353 INFO L138 SettingsManager]: * Use constant arrays=true [2023-02-18 07:12:59,353 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-02-18 07:12:59,353 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-02-18 07:12:59,353 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-02-18 07:12:59,354 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-02-18 07:12:59,354 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-02-18 07:12:59,354 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-02-18 07:12:59,354 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2023-02-18 07:12:59,354 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-02-18 07:12:59,354 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-02-18 07:12:59,354 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-02-18 07:12:59,355 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-02-18 07:12:59,355 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2023-02-18 07:12:59,355 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-02-18 07:12:59,355 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 983cec69549e2e1e8fd4af811fefcb63625f41eb81ec9e5957d0ba81a05cd15e [2023-02-18 07:12:59,597 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-02-18 07:12:59,610 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-02-18 07:12:59,612 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-02-18 07:12:59,613 INFO L271 PluginConnector]: Initializing CDTParser... [2023-02-18 07:12:59,613 INFO L275 PluginConnector]: CDTParser initialized [2023-02-18 07:12:59,614 INFO L432 ainManager$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 07:13:00,540 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-02-18 07:13:00,915 INFO L351 CDTParser]: Found 1 translation units. [2023-02-18 07:13:00,916 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/busybox-1.22.0/readlink-2.i [2023-02-18 07:13:00,941 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/93f4f31eb/ed848d9c790d40fe8faaf3f4acd8562f/FLAG672f4de02 [2023-02-18 07:13:00,951 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/93f4f31eb/ed848d9c790d40fe8faaf3f4acd8562f [2023-02-18 07:13:00,954 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-02-18 07:13:00,955 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-02-18 07:13:00,957 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-02-18 07:13:00,957 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-02-18 07:13:00,960 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-02-18 07:13:00,960 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.02 07:13:00" (1/1) ... [2023-02-18 07:13:00,961 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3bad7db3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 07:13:00, skipping insertion in model container [2023-02-18 07:13:00,961 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.02 07:13:00" (1/1) ... [2023-02-18 07:13:00,967 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-02-18 07:13:01,021 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-02-18 07:13:01,575 WARN L623 FunctionHandler]: Unknown extern function strerror [2023-02-18 07:13:01,576 WARN L623 FunctionHandler]: Unknown extern function strtoul [2023-02-18 07:13:01,579 WARN L623 FunctionHandler]: Unknown extern function vasprintf [2023-02-18 07:13:01,592 WARN L623 FunctionHandler]: Unknown extern function syslog [2023-02-18 07:13:01,597 WARN L623 FunctionHandler]: Unknown extern function fflush [2023-02-18 07:13:01,599 WARN L623 FunctionHandler]: Unknown extern function fflush [2023-02-18 07:13:01,601 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 07:13:01,602 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5201838c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 07:13:01, skipping insertion in model container [2023-02-18 07:13:01,602 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-02-18 07:13:01,602 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2023-02-18 07:13:01,603 INFO L158 Benchmark]: Toolchain (without parser) took 647.29ms. Allocated memory is still 77.6MB. Free memory was 49.7MB in the beginning and 39.4MB in the end (delta: 10.3MB). Peak memory consumption was 17.2MB. Max. memory is 16.1GB. [2023-02-18 07:13:01,604 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 56.6MB. Free memory was 33.6MB in the beginning and 33.6MB in the end (delta: 1.6kB). There was no memory consumed. Max. memory is 16.1GB. [2023-02-18 07:13:01,604 INFO L158 Benchmark]: CACSL2BoogieTranslator took 644.62ms. Allocated memory is still 77.6MB. Free memory was 49.5MB in the beginning and 39.4MB in the end (delta: 10.1MB). Peak memory consumption was 17.2MB. Max. memory is 16.1GB. [2023-02-18 07:13:01,605 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 56.6MB. Free memory was 33.6MB in the beginning and 33.6MB in the end (delta: 1.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 644.62ms. Allocated memory is still 77.6MB. Free memory was 49.5MB in the beginning and 39.4MB in the end (delta: 10.1MB). Peak memory consumption was 17.2MB. 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