./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/busybox-1.22.0/readlink-2.i --full-output -ea --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 03d7b7b3 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -ea -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-dev-03d7b7b [2022-02-21 02:49:51,931 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-21 02:49:51,932 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-21 02:49:51,961 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-21 02:49:51,961 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-21 02:49:51,967 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-21 02:49:51,969 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-21 02:49:51,976 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-21 02:49:51,978 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-21 02:49:51,985 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-21 02:49:51,986 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-21 02:49:51,987 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-21 02:49:51,988 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-21 02:49:51,990 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-21 02:49:51,992 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-21 02:49:51,994 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-21 02:49:51,995 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-21 02:49:51,996 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-21 02:49:52,001 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-21 02:49:52,003 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-21 02:49:52,008 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-21 02:49:52,009 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-21 02:49:52,010 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-21 02:49:52,012 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-21 02:49:52,016 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-02-21 02:49:52,017 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-02-21 02:49:52,017 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-02-21 02:49:52,019 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-02-21 02:49:52,019 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-02-21 02:49:52,020 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-02-21 02:49:52,021 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-02-21 02:49:52,022 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-02-21 02:49:52,024 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-02-21 02:49:52,025 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-02-21 02:49:52,026 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-02-21 02:49:52,026 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-02-21 02:49:52,027 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-02-21 02:49:52,027 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-02-21 02:49:52,027 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-21 02:49:52,028 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-21 02:49:52,029 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-21 02:49:52,030 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Default.epf [2022-02-21 02:49:52,053 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-21 02:49:52,053 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-21 02:49:52,053 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-21 02:49:52,054 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-21 02:49:52,054 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-21 02:49:52,054 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-21 02:49:52,055 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-21 02:49:52,055 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-21 02:49:52,055 INFO L138 SettingsManager]: * Use SBE=true [2022-02-21 02:49:52,055 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-21 02:49:52,055 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-02-21 02:49:52,055 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-21 02:49:52,056 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-21 02:49:52,056 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-02-21 02:49:52,056 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-02-21 02:49:52,056 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-02-21 02:49:52,056 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-21 02:49:52,056 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-02-21 02:49:52,056 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-21 02:49:52,056 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-21 02:49:52,057 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-21 02:49:52,057 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-21 02:49:52,057 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-21 02:49:52,057 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-21 02:49:52,057 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-21 02:49:52,057 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-21 02:49:52,057 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-21 02:49:52,058 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 983cec69549e2e1e8fd4af811fefcb63625f41eb81ec9e5957d0ba81a05cd15e [2022-02-21 02:49:52,258 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-21 02:49:52,297 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-21 02:49:52,299 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-21 02:49:52,300 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-21 02:49:52,301 INFO L275 PluginConnector]: CDTParser initialized [2022-02-21 02:49:52,302 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/busybox-1.22.0/readlink-2.i [2022-02-21 02:49:52,367 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f6fa8bfad/c6b1569e513a4687a9f5b62798e36d56/FLAG58481c562 [2022-02-21 02:49:52,967 INFO L306 CDTParser]: Found 1 translation units. [2022-02-21 02:49:52,968 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/busybox-1.22.0/readlink-2.i [2022-02-21 02:49:53,001 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f6fa8bfad/c6b1569e513a4687a9f5b62798e36d56/FLAG58481c562 [2022-02-21 02:49:53,156 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f6fa8bfad/c6b1569e513a4687a9f5b62798e36d56 [2022-02-21 02:49:53,158 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-21 02:49:53,160 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-02-21 02:49:53,163 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-21 02:49:53,164 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-21 02:49:53,167 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-21 02:49:53,168 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.02 02:49:53" (1/1) ... [2022-02-21 02:49:53,170 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e4b08a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 02:49:53, skipping insertion in model container [2022-02-21 02:49:53,170 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.02 02:49:53" (1/1) ... [2022-02-21 02:49:53,176 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-21 02:49:53,238 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-21 02:49:54,375 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 [2022-02-21 02:49:54,376 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2d001d55 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 02:49:54, skipping insertion in model container [2022-02-21 02:49:54,376 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-21 02:49:54,376 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-02-21 02:49:54,378 INFO L158 Benchmark]: Toolchain (without parser) took 1217.35ms. Allocated memory is still 96.5MB. Free memory was 72.2MB in the beginning and 54.4MB in the end (delta: 17.7MB). Peak memory consumption was 17.6MB. Max. memory is 16.1GB. [2022-02-21 02:49:54,378 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 96.5MB. Free memory was 74.1MB in the beginning and 74.0MB in the end (delta: 76.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-02-21 02:49:54,379 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1212.92ms. Allocated memory is still 96.5MB. Free memory was 72.2MB in the beginning and 54.4MB in the end (delta: 17.7MB). Peak memory consumption was 17.6MB. Max. memory is 16.1GB. [2022-02-21 02:49:54,381 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - AssertionsEnabledResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 96.5MB. Free memory was 74.1MB in the beginning and 74.0MB in the end (delta: 76.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1212.92ms. Allocated memory is still 96.5MB. Free memory was 72.2MB in the beginning and 54.4MB in the end (delta: 17.7MB). Peak memory consumption was 17.6MB. 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 -ea -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-dev-03d7b7b [2022-02-21 02:49:56,164 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-21 02:49:56,167 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-21 02:49:56,190 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-21 02:49:56,191 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-21 02:49:56,192 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-21 02:49:56,193 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-21 02:49:56,194 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-21 02:49:56,196 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-21 02:49:56,196 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-21 02:49:56,197 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-21 02:49:56,198 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-21 02:49:56,198 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-21 02:49:56,199 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-21 02:49:56,200 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-21 02:49:56,201 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-21 02:49:56,201 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-21 02:49:56,202 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-21 02:49:56,203 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-21 02:49:56,205 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-21 02:49:56,207 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-21 02:49:56,221 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-21 02:49:56,223 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-21 02:49:56,226 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-21 02:49:56,239 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-02-21 02:49:56,241 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-02-21 02:49:56,242 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-02-21 02:49:56,243 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-02-21 02:49:56,244 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-02-21 02:49:56,244 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-02-21 02:49:56,245 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-02-21 02:49:56,245 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-02-21 02:49:56,248 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-02-21 02:49:56,251 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-02-21 02:49:56,252 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-02-21 02:49:56,252 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-02-21 02:49:56,253 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-02-21 02:49:56,253 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-02-21 02:49:56,254 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-21 02:49:56,255 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-21 02:49:56,256 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-21 02:49:56,257 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Bitvector.epf [2022-02-21 02:49:56,286 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-21 02:49:56,287 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-21 02:49:56,287 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-21 02:49:56,288 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-21 02:49:56,289 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-21 02:49:56,289 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-21 02:49:56,290 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-21 02:49:56,290 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-21 02:49:56,291 INFO L138 SettingsManager]: * Use SBE=true [2022-02-21 02:49:56,291 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-21 02:49:56,292 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-02-21 02:49:56,292 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-21 02:49:56,292 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-21 02:49:56,293 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-02-21 02:49:56,293 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-02-21 02:49:56,293 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-02-21 02:49:56,293 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-21 02:49:56,293 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-02-21 02:49:56,294 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-02-21 02:49:56,294 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-02-21 02:49:56,294 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-21 02:49:56,294 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-21 02:49:56,294 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-21 02:49:56,294 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-21 02:49:56,295 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-21 02:49:56,295 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-21 02:49:56,295 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-21 02:49:56,295 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-02-21 02:49:56,295 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-02-21 02:49:56,296 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-02-21 02:49:56,296 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 983cec69549e2e1e8fd4af811fefcb63625f41eb81ec9e5957d0ba81a05cd15e [2022-02-21 02:49:56,620 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-21 02:49:56,637 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-21 02:49:56,640 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-21 02:49:56,641 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-21 02:49:56,641 INFO L275 PluginConnector]: CDTParser initialized [2022-02-21 02:49:56,642 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/busybox-1.22.0/readlink-2.i [2022-02-21 02:49:56,684 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/372cc4bcf/3659748d807f4052aac9759f0c95a7a3/FLAG6bee93091 [2022-02-21 02:49:57,297 INFO L306 CDTParser]: Found 1 translation units. [2022-02-21 02:49:57,297 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/busybox-1.22.0/readlink-2.i [2022-02-21 02:49:57,329 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/372cc4bcf/3659748d807f4052aac9759f0c95a7a3/FLAG6bee93091 [2022-02-21 02:49:57,733 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/372cc4bcf/3659748d807f4052aac9759f0c95a7a3 [2022-02-21 02:49:57,735 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-21 02:49:57,736 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-02-21 02:49:57,737 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-21 02:49:57,737 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-21 02:49:57,739 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-21 02:49:57,740 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.02 02:49:57" (1/1) ... [2022-02-21 02:49:57,741 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@216dfb8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 02:49:57, skipping insertion in model container [2022-02-21 02:49:57,741 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.02 02:49:57" (1/1) ... [2022-02-21 02:49:57,745 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-21 02:49:57,809 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-21 02:49:58,506 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 [2022-02-21 02:49:58,507 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@46dfb956 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 02:49:58, skipping insertion in model container [2022-02-21 02:49:58,507 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-21 02:49:58,508 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-02-21 02:49:58,510 INFO L158 Benchmark]: Toolchain (without parser) took 773.51ms. Allocated memory is still 71.3MB. Free memory was 52.8MB in the beginning and 37.2MB in the end (delta: 15.6MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-02-21 02:49:58,511 INFO L158 Benchmark]: CDTParser took 0.53ms. Allocated memory is still 52.4MB. Free memory was 34.0MB in the beginning and 33.9MB in the end (delta: 45.0kB). There was no memory consumed. Max. memory is 16.1GB. [2022-02-21 02:49:58,513 INFO L158 Benchmark]: CACSL2BoogieTranslator took 771.40ms. Allocated memory is still 71.3MB. Free memory was 52.6MB in the beginning and 37.2MB in the end (delta: 15.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-02-21 02:49:58,514 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - AssertionsEnabledResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.53ms. Allocated memory is still 52.4MB. Free memory was 34.0MB in the beginning and 33.9MB in the end (delta: 45.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 771.40ms. Allocated memory is still 71.3MB. Free memory was 52.6MB in the beginning and 37.2MB in the end (delta: 15.4MB). Peak memory consumption was 16.8MB. 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