./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 839c364b 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 0.2.2-839c364b5d67a0f615c82cb70ab247790648d4a9-839c364 [2021-12-14 22:23:52,086 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-14 22:23:52,088 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-14 22:23:52,133 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-14 22:23:52,133 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-14 22:23:52,136 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-14 22:23:52,137 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-14 22:23:52,139 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-14 22:23:52,140 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-14 22:23:52,144 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-14 22:23:52,144 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-14 22:23:52,145 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-14 22:23:52,145 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-14 22:23:52,147 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-14 22:23:52,148 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-14 22:23:52,151 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-14 22:23:52,152 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-14 22:23:52,152 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-14 22:23:52,154 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-14 22:23:52,158 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-14 22:23:52,159 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-14 22:23:52,159 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-14 22:23:52,161 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-14 22:23:52,161 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-14 22:23:52,165 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-14 22:23:52,166 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-14 22:23:52,166 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-14 22:23:52,167 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-14 22:23:52,167 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-14 22:23:52,168 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-14 22:23:52,168 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-14 22:23:52,169 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-14 22:23:52,170 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-14 22:23:52,170 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-14 22:23:52,171 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-14 22:23:52,171 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-14 22:23:52,172 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-14 22:23:52,172 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-14 22:23:52,172 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-14 22:23:52,173 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-14 22:23:52,174 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-14 22:23:52,175 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Default.epf [2021-12-14 22:23:52,197 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-14 22:23:52,197 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-14 22:23:52,197 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-14 22:23:52,198 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-14 22:23:52,198 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-14 22:23:52,199 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-14 22:23:52,199 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-14 22:23:52,199 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-14 22:23:52,199 INFO L138 SettingsManager]: * Use SBE=true [2021-12-14 22:23:52,200 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-14 22:23:52,200 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-14 22:23:52,200 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-14 22:23:52,201 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-14 22:23:52,201 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-12-14 22:23:52,201 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-12-14 22:23:52,201 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-12-14 22:23:52,201 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-14 22:23:52,201 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-14 22:23:52,201 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-14 22:23:52,202 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-14 22:23:52,202 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-14 22:23:52,202 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-14 22:23:52,202 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-14 22:23:52,202 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-14 22:23:52,202 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-14 22:23:52,202 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-14 22:23:52,203 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-14 22:23:52,204 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-14 22:23:52,204 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 983cec69549e2e1e8fd4af811fefcb63625f41eb81ec9e5957d0ba81a05cd15e [2021-12-14 22:23:52,380 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-14 22:23:52,398 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-14 22:23:52,400 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-14 22:23:52,400 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-14 22:23:52,401 INFO L275 PluginConnector]: CDTParser initialized [2021-12-14 22:23:52,402 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/busybox-1.22.0/readlink-2.i [2021-12-14 22:23:52,453 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/39c21a228/5f2aaa78dde248159599bbf912e3601b/FLAG652b8802c [2021-12-14 22:23:52,923 INFO L306 CDTParser]: Found 1 translation units. [2021-12-14 22:23:52,924 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/busybox-1.22.0/readlink-2.i [2021-12-14 22:23:52,951 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/39c21a228/5f2aaa78dde248159599bbf912e3601b/FLAG652b8802c [2021-12-14 22:23:53,181 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/39c21a228/5f2aaa78dde248159599bbf912e3601b [2021-12-14 22:23:53,183 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-14 22:23:53,184 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-14 22:23:53,185 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-14 22:23:53,185 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-14 22:23:53,188 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-14 22:23:53,188 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 10:23:53" (1/1) ... [2021-12-14 22:23:53,189 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7de721cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:23:53, skipping insertion in model container [2021-12-14 22:23:53,189 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 10:23:53" (1/1) ... [2021-12-14 22:23:53,193 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-14 22:23:53,244 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-14 22:23:53,825 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg_and_die [2021-12-14 22:23:53,825 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@399ac6cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:23:53, skipping insertion in model container [2021-12-14 22:23:53,826 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-14 22:23:53,826 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-12-14 22:23:53,829 INFO L158 Benchmark]: Toolchain (without parser) took 642.52ms. Allocated memory is still 111.1MB. Free memory was 78.2MB in the beginning and 70.1MB in the end (delta: 8.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-12-14 22:23:53,830 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 111.1MB. Free memory is still 68.1MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-14 22:23:53,831 INFO L158 Benchmark]: CACSL2BoogieTranslator took 641.14ms. Allocated memory is still 111.1MB. Free memory was 78.1MB in the beginning and 70.1MB in the end (delta: 8.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-12-14 22:23:53,832 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 111.1MB. Free memory is still 68.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 641.14ms. Allocated memory is still 111.1MB. Free memory was 78.1MB in the beginning and 70.1MB in the end (delta: 8.0MB). Peak memory consumption was 12.6MB. 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 0.2.2-839c364b5d67a0f615c82cb70ab247790648d4a9-839c364 [2021-12-14 22:23:55,261 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-14 22:23:55,263 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-14 22:23:55,297 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-14 22:23:55,297 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-14 22:23:55,299 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-14 22:23:55,301 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-14 22:23:55,305 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-14 22:23:55,307 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-14 22:23:55,310 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-14 22:23:55,311 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-14 22:23:55,314 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-14 22:23:55,314 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-14 22:23:55,316 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-14 22:23:55,317 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-14 22:23:55,319 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-14 22:23:55,320 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-14 22:23:55,320 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-14 22:23:55,324 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-14 22:23:55,328 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-14 22:23:55,329 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-14 22:23:55,330 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-14 22:23:55,330 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-14 22:23:55,332 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-14 22:23:55,336 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-14 22:23:55,336 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-14 22:23:55,337 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-14 22:23:55,338 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-14 22:23:55,338 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-14 22:23:55,339 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-14 22:23:55,339 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-14 22:23:55,339 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-14 22:23:55,340 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-14 22:23:55,341 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-14 22:23:55,342 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-14 22:23:55,342 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-14 22:23:55,343 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-14 22:23:55,343 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-14 22:23:55,343 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-14 22:23:55,344 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-14 22:23:55,345 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-14 22:23:55,345 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Bitvector.epf [2021-12-14 22:23:55,369 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-14 22:23:55,369 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-14 22:23:55,370 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-14 22:23:55,370 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-14 22:23:55,371 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-14 22:23:55,371 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-14 22:23:55,372 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-14 22:23:55,372 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-14 22:23:55,372 INFO L138 SettingsManager]: * Use SBE=true [2021-12-14 22:23:55,372 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-14 22:23:55,373 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-14 22:23:55,373 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-14 22:23:55,373 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-14 22:23:55,373 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-12-14 22:23:55,374 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-12-14 22:23:55,374 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-12-14 22:23:55,374 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-14 22:23:55,374 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-14 22:23:55,374 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-12-14 22:23:55,374 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-12-14 22:23:55,375 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-14 22:23:55,375 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-14 22:23:55,375 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-14 22:23:55,375 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-14 22:23:55,375 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-14 22:23:55,375 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-14 22:23:55,376 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-14 22:23:55,376 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-12-14 22:23:55,376 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-12-14 22:23:55,376 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-14 22:23:55,377 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-12-14 22:23:55,377 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 983cec69549e2e1e8fd4af811fefcb63625f41eb81ec9e5957d0ba81a05cd15e [2021-12-14 22:23:55,627 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-14 22:23:55,643 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-14 22:23:55,645 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-14 22:23:55,645 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-14 22:23:55,646 INFO L275 PluginConnector]: CDTParser initialized [2021-12-14 22:23:55,647 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/busybox-1.22.0/readlink-2.i [2021-12-14 22:23:55,688 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9232d890f/6f6e713076e848f18bfcae5a86d01fb1/FLAGe4ee1a460 [2021-12-14 22:23:56,214 INFO L306 CDTParser]: Found 1 translation units. [2021-12-14 22:23:56,214 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/busybox-1.22.0/readlink-2.i [2021-12-14 22:23:56,242 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9232d890f/6f6e713076e848f18bfcae5a86d01fb1/FLAGe4ee1a460 [2021-12-14 22:23:56,718 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9232d890f/6f6e713076e848f18bfcae5a86d01fb1 [2021-12-14 22:23:56,725 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-14 22:23:56,726 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-14 22:23:56,731 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-14 22:23:56,731 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-14 22:23:56,733 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-14 22:23:56,734 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 10:23:56" (1/1) ... [2021-12-14 22:23:56,734 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@178e8ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:23:56, skipping insertion in model container [2021-12-14 22:23:56,735 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 10:23:56" (1/1) ... [2021-12-14 22:23:56,739 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-14 22:23:56,796 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-14 22:23:57,487 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg_and_die [2021-12-14 22:23:57,488 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@f76f086 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:23:57, skipping insertion in model container [2021-12-14 22:23:57,488 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-14 22:23:57,489 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-12-14 22:23:57,490 INFO L158 Benchmark]: Toolchain (without parser) took 763.09ms. Allocated memory is still 60.8MB. Free memory was 41.0MB in the beginning and 38.5MB in the end (delta: 2.4MB). Peak memory consumption was 21.6MB. Max. memory is 16.1GB. [2021-12-14 22:23:57,491 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 50.3MB. Free memory was 31.8MB in the beginning and 31.8MB in the end (delta: 52.5kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-14 22:23:57,492 INFO L158 Benchmark]: CACSL2BoogieTranslator took 757.87ms. Allocated memory is still 60.8MB. Free memory was 40.8MB in the beginning and 38.5MB in the end (delta: 2.3MB). Peak memory consumption was 21.6MB. Max. memory is 16.1GB. [2021-12-14 22:23:57,493 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 50.3MB. Free memory was 31.8MB in the beginning and 31.8MB in the end (delta: 52.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 757.87ms. Allocated memory is still 60.8MB. Free memory was 40.8MB in the beginning and 38.5MB in the end (delta: 2.3MB). Peak memory consumption was 21.6MB. 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