./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 [2023-02-17 09:01:52,116 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-02-17 09:01:52,119 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-02-17 09:01:52,156 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-02-17 09:01:52,156 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-02-17 09:01:52,160 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-02-17 09:01:52,162 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-02-17 09:01:52,165 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-02-17 09:01:52,168 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-02-17 09:01:52,175 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-02-17 09:01:52,176 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-02-17 09:01:52,178 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-02-17 09:01:52,179 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-02-17 09:01:52,183 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-02-17 09:01:52,185 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-02-17 09:01:52,186 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-02-17 09:01:52,188 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-02-17 09:01:52,189 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-02-17 09:01:52,190 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-02-17 09:01:52,194 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-02-17 09:01:52,196 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-02-17 09:01:52,197 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-02-17 09:01:52,198 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-02-17 09:01:52,199 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-02-17 09:01:52,204 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-02-17 09:01:52,208 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-02-17 09:01:52,209 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-02-17 09:01:52,211 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-02-17 09:01:52,211 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-02-17 09:01:52,212 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-02-17 09:01:52,212 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-02-17 09:01:52,213 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-02-17 09:01:52,214 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-02-17 09:01:52,214 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-02-17 09:01:52,214 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-02-17 09:01:52,215 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-02-17 09:01:52,215 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-02-17 09:01:52,215 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-02-17 09:01:52,215 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-02-17 09:01:52,216 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-02-17 09:01:52,216 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-02-17 09:01:52,220 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Default.epf [2023-02-17 09:01:52,253 INFO L113 SettingsManager]: Loading preferences was successful [2023-02-17 09:01:52,254 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-02-17 09:01:52,254 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-02-17 09:01:52,255 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-02-17 09:01:52,256 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-02-17 09:01:52,256 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-02-17 09:01:52,256 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-02-17 09:01:52,256 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-02-17 09:01:52,257 INFO L138 SettingsManager]: * Use SBE=true [2023-02-17 09:01:52,257 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-02-17 09:01:52,258 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-02-17 09:01:52,258 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-02-17 09:01:52,258 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-02-17 09:01:52,258 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-02-17 09:01:52,259 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2023-02-17 09:01:52,259 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-02-17 09:01:52,259 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-02-17 09:01:52,259 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-02-17 09:01:52,259 INFO L138 SettingsManager]: * Use constant arrays=true [2023-02-17 09:01:52,260 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-02-17 09:01:52,260 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-02-17 09:01:52,260 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-02-17 09:01:52,260 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-02-17 09:01:52,260 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-02-17 09:01:52,261 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-02-17 09:01:52,261 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-02-17 09:01:52,261 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-02-17 09:01:52,261 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-02-17 09:01:52,261 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-02-17 09:01:52,262 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-02-17 09:01:52,262 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-02-17 09:01:52,262 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 983cec69549e2e1e8fd4af811fefcb63625f41eb81ec9e5957d0ba81a05cd15e [2023-02-17 09:01:52,495 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-02-17 09:01:52,527 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-02-17 09:01:52,530 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-02-17 09:01:52,531 INFO L271 PluginConnector]: Initializing CDTParser... [2023-02-17 09:01:52,531 INFO L275 PluginConnector]: CDTParser initialized [2023-02-17 09:01:52,533 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/busybox-1.22.0/readlink-2.i [2023-02-17 09:01:53,706 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-02-17 09:01:54,098 INFO L351 CDTParser]: Found 1 translation units. [2023-02-17 09:01:54,099 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/busybox-1.22.0/readlink-2.i [2023-02-17 09:01:54,145 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1af6baf20/5cadead694574303b4c5560bcb02eb83/FLAG9ab961f73 [2023-02-17 09:01:54,157 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1af6baf20/5cadead694574303b4c5560bcb02eb83 [2023-02-17 09:01:54,159 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-02-17 09:01:54,161 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-02-17 09:01:54,162 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-02-17 09:01:54,162 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-02-17 09:01:54,165 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-02-17 09:01:54,166 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.02 09:01:54" (1/1) ... [2023-02-17 09:01:54,166 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d43bda4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 09:01:54, skipping insertion in model container [2023-02-17 09:01:54,167 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.02 09:01:54" (1/1) ... [2023-02-17 09:01:54,174 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-02-17 09:01:54,239 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-02-17 09:01:55,013 WARN L623 FunctionHandler]: Unknown extern function strerror [2023-02-17 09:01:55,015 WARN L623 FunctionHandler]: Unknown extern function strtoul [2023-02-17 09:01:55,018 WARN L623 FunctionHandler]: Unknown extern function vasprintf [2023-02-17 09:01:55,037 WARN L623 FunctionHandler]: Unknown extern function syslog [2023-02-17 09:01:55,044 WARN L623 FunctionHandler]: Unknown extern function fflush [2023-02-17 09:01:55,046 WARN L623 FunctionHandler]: Unknown extern function fflush [2023-02-17 09:01:55,050 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 [2023-02-17 09:01:55,051 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1da29ae1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 09:01:55, skipping insertion in model container [2023-02-17 09:01:55,051 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-02-17 09:01:55,051 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2023-02-17 09:01:55,053 INFO L158 Benchmark]: Toolchain (without parser) took 891.29ms. Allocated memory is still 109.1MB. Free memory was 58.5MB in the beginning and 66.5MB in the end (delta: -8.0MB). Peak memory consumption was 19.0MB. Max. memory is 16.1GB. [2023-02-17 09:01:55,054 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 88.1MB. Free memory was 61.9MB in the beginning and 61.9MB in the end (delta: 26.0kB). There was no memory consumed. Max. memory is 16.1GB. [2023-02-17 09:01:55,054 INFO L158 Benchmark]: CACSL2BoogieTranslator took 889.34ms. Allocated memory is still 109.1MB. Free memory was 58.5MB in the beginning and 66.5MB in the end (delta: -8.0MB). Peak memory consumption was 19.0MB. Max. memory is 16.1GB. [2023-02-17 09:01:55,056 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 88.1MB. Free memory was 61.9MB in the beginning and 61.9MB in the end (delta: 26.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 889.34ms. Allocated memory is still 109.1MB. Free memory was 58.5MB in the beginning and 66.5MB in the end (delta: -8.0MB). Peak memory consumption was 19.0MB. 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 [2023-02-17 09:01:56,901 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-02-17 09:01:56,903 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-02-17 09:01:56,943 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-02-17 09:01:56,943 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-02-17 09:01:56,946 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-02-17 09:01:56,948 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-02-17 09:01:56,951 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-02-17 09:01:56,955 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-02-17 09:01:56,960 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-02-17 09:01:56,961 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-02-17 09:01:56,963 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-02-17 09:01:56,963 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-02-17 09:01:56,965 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-02-17 09:01:56,966 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-02-17 09:01:56,969 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-02-17 09:01:56,970 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-02-17 09:01:56,971 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-02-17 09:01:56,972 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-02-17 09:01:56,977 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-02-17 09:01:56,979 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-02-17 09:01:56,980 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-02-17 09:01:56,980 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-02-17 09:01:56,981 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-02-17 09:01:56,988 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-02-17 09:01:56,988 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-02-17 09:01:56,989 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-02-17 09:01:56,991 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-02-17 09:01:56,991 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-02-17 09:01:56,999 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-02-17 09:01:57,000 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-02-17 09:01:57,002 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-02-17 09:01:57,003 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-02-17 09:01:57,004 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-02-17 09:01:57,004 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-02-17 09:01:57,005 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-02-17 09:01:57,005 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-02-17 09:01:57,005 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-02-17 09:01:57,006 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-02-17 09:01:57,006 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-02-17 09:01:57,007 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-02-17 09:01:57,008 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Bitvector.epf [2023-02-17 09:01:57,039 INFO L113 SettingsManager]: Loading preferences was successful [2023-02-17 09:01:57,039 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-02-17 09:01:57,040 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-02-17 09:01:57,040 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-02-17 09:01:57,041 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-02-17 09:01:57,041 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-02-17 09:01:57,042 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-02-17 09:01:57,042 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-02-17 09:01:57,042 INFO L138 SettingsManager]: * Use SBE=true [2023-02-17 09:01:57,042 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-02-17 09:01:57,043 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-02-17 09:01:57,043 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-02-17 09:01:57,044 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-02-17 09:01:57,044 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-02-17 09:01:57,044 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2023-02-17 09:01:57,044 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-02-17 09:01:57,044 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-02-17 09:01:57,044 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-02-17 09:01:57,045 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2023-02-17 09:01:57,045 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-02-17 09:01:57,045 INFO L138 SettingsManager]: * Use constant arrays=true [2023-02-17 09:01:57,045 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-02-17 09:01:57,045 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-02-17 09:01:57,045 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-02-17 09:01:57,046 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-02-17 09:01:57,046 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-02-17 09:01:57,046 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-02-17 09:01:57,046 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2023-02-17 09:01:57,046 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-02-17 09:01:57,047 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-02-17 09:01:57,047 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-02-17 09:01:57,047 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-02-17 09:01:57,047 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2023-02-17 09:01:57,047 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-02-17 09:01:57,048 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 983cec69549e2e1e8fd4af811fefcb63625f41eb81ec9e5957d0ba81a05cd15e [2023-02-17 09:01:57,381 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-02-17 09:01:57,403 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-02-17 09:01:57,406 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-02-17 09:01:57,407 INFO L271 PluginConnector]: Initializing CDTParser... [2023-02-17 09:01:57,408 INFO L275 PluginConnector]: CDTParser initialized [2023-02-17 09:01:57,409 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/busybox-1.22.0/readlink-2.i [2023-02-17 09:01:58,653 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-02-17 09:01:59,017 INFO L351 CDTParser]: Found 1 translation units. [2023-02-17 09:01:59,018 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/busybox-1.22.0/readlink-2.i [2023-02-17 09:01:59,051 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e143501fe/40182592e646411fb751ef23ed285a25/FLAG2f1a7427c [2023-02-17 09:01:59,063 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e143501fe/40182592e646411fb751ef23ed285a25 [2023-02-17 09:01:59,065 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-02-17 09:01:59,067 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-02-17 09:01:59,069 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-02-17 09:01:59,069 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-02-17 09:01:59,072 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-02-17 09:01:59,072 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.02 09:01:59" (1/1) ... [2023-02-17 09:01:59,073 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@37705f9e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 09:01:59, skipping insertion in model container [2023-02-17 09:01:59,073 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.02 09:01:59" (1/1) ... [2023-02-17 09:01:59,078 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-02-17 09:01:59,148 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-02-17 09:01:59,861 WARN L623 FunctionHandler]: Unknown extern function strerror [2023-02-17 09:01:59,863 WARN L623 FunctionHandler]: Unknown extern function strtoul [2023-02-17 09:01:59,876 WARN L623 FunctionHandler]: Unknown extern function vasprintf [2023-02-17 09:01:59,895 WARN L623 FunctionHandler]: Unknown extern function syslog [2023-02-17 09:01:59,897 WARN L623 FunctionHandler]: Unknown extern function fflush [2023-02-17 09:01:59,899 WARN L623 FunctionHandler]: Unknown extern function fflush [2023-02-17 09:01:59,900 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 [2023-02-17 09:01:59,901 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3d801a50 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.02 09:01:59, skipping insertion in model container [2023-02-17 09:01:59,901 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-02-17 09:01:59,901 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2023-02-17 09:01:59,903 INFO L158 Benchmark]: Toolchain (without parser) took 835.30ms. Allocated memory is still 67.1MB. Free memory was 37.9MB in the beginning and 40.8MB in the end (delta: -2.9MB). Peak memory consumption was 16.6MB. Max. memory is 16.1GB. [2023-02-17 09:01:59,903 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 52.4MB. Free memory is still 28.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-02-17 09:01:59,904 INFO L158 Benchmark]: CACSL2BoogieTranslator took 832.00ms. Allocated memory is still 67.1MB. Free memory was 37.7MB in the beginning and 40.8MB in the end (delta: -3.1MB). Peak memory consumption was 14.5MB. Max. memory is 16.1GB. [2023-02-17 09:01:59,905 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 52.4MB. Free memory is still 28.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 832.00ms. Allocated memory is still 67.1MB. Free memory was 37.7MB in the beginning and 40.8MB in the end (delta: -3.1MB). Peak memory consumption was 14.5MB. 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