./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 7e1ff0e6 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-?-7e1ff0e [2023-02-15 01:44:52,885 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-02-15 01:44:52,888 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-02-15 01:44:52,921 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-02-15 01:44:52,921 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-02-15 01:44:52,924 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-02-15 01:44:52,926 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-02-15 01:44:52,927 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-02-15 01:44:52,929 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-02-15 01:44:52,933 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-02-15 01:44:52,934 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-02-15 01:44:52,936 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-02-15 01:44:52,936 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-02-15 01:44:52,938 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-02-15 01:44:52,939 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-02-15 01:44:52,940 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-02-15 01:44:52,941 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-02-15 01:44:52,943 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-02-15 01:44:52,944 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-02-15 01:44:52,946 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-02-15 01:44:52,946 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-02-15 01:44:52,947 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-02-15 01:44:52,948 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-02-15 01:44:52,949 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-02-15 01:44:52,954 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-02-15 01:44:52,955 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-02-15 01:44:52,955 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-02-15 01:44:52,956 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-02-15 01:44:52,957 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-02-15 01:44:52,958 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-02-15 01:44:52,959 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-02-15 01:44:52,959 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-02-15 01:44:52,960 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-02-15 01:44:52,961 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-02-15 01:44:52,962 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-02-15 01:44:52,962 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-02-15 01:44:52,962 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-02-15 01:44:52,963 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-02-15 01:44:52,963 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-02-15 01:44:52,964 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-02-15 01:44:52,965 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-02-15 01:44:52,965 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Default.epf [2023-02-15 01:44:52,986 INFO L113 SettingsManager]: Loading preferences was successful [2023-02-15 01:44:52,987 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-02-15 01:44:52,987 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-02-15 01:44:52,987 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-02-15 01:44:52,988 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-02-15 01:44:52,988 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-02-15 01:44:52,989 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-02-15 01:44:52,989 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-02-15 01:44:52,989 INFO L138 SettingsManager]: * Use SBE=true [2023-02-15 01:44:52,989 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-02-15 01:44:52,990 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-02-15 01:44:52,990 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-02-15 01:44:52,990 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-02-15 01:44:52,990 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-02-15 01:44:52,990 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2023-02-15 01:44:52,990 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-02-15 01:44:52,991 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-02-15 01:44:52,991 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-02-15 01:44:52,991 INFO L138 SettingsManager]: * Use constant arrays=true [2023-02-15 01:44:52,991 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-02-15 01:44:52,991 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-02-15 01:44:52,991 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-02-15 01:44:52,992 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-02-15 01:44:52,992 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-02-15 01:44:52,992 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-02-15 01:44:52,992 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-02-15 01:44:52,992 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-02-15 01:44:52,992 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-02-15 01:44:52,992 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-02-15 01:44:52,993 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-02-15 01:44:52,993 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-02-15 01:44:52,993 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 983cec69549e2e1e8fd4af811fefcb63625f41eb81ec9e5957d0ba81a05cd15e [2023-02-15 01:44:53,221 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-02-15 01:44:53,247 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-02-15 01:44:53,249 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-02-15 01:44:53,250 INFO L271 PluginConnector]: Initializing CDTParser... [2023-02-15 01:44:53,250 INFO L275 PluginConnector]: CDTParser initialized [2023-02-15 01:44:53,251 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/busybox-1.22.0/readlink-2.i [2023-02-15 01:44:54,228 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-02-15 01:44:54,499 INFO L351 CDTParser]: Found 1 translation units. [2023-02-15 01:44:54,502 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/busybox-1.22.0/readlink-2.i [2023-02-15 01:44:54,526 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0406b8df1/e609a03c285745fa93792bdb3bb9b681/FLAG2f694e7c4 [2023-02-15 01:44:54,542 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0406b8df1/e609a03c285745fa93792bdb3bb9b681 [2023-02-15 01:44:54,544 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-02-15 01:44:54,545 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-02-15 01:44:54,547 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-02-15 01:44:54,547 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-02-15 01:44:54,550 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-02-15 01:44:54,551 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.02 01:44:54" (1/1) ... [2023-02-15 01:44:54,551 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@55d844fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 01:44:54, skipping insertion in model container [2023-02-15 01:44:54,552 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.02 01:44:54" (1/1) ... [2023-02-15 01:44:54,557 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-02-15 01:44:54,613 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-02-15 01:44:55,348 WARN L623 FunctionHandler]: Unknown extern function strerror [2023-02-15 01:44:55,349 WARN L623 FunctionHandler]: Unknown extern function strtoul [2023-02-15 01:44:55,351 WARN L623 FunctionHandler]: Unknown extern function vasprintf [2023-02-15 01:44:55,375 WARN L623 FunctionHandler]: Unknown extern function syslog [2023-02-15 01:44:55,381 WARN L623 FunctionHandler]: Unknown extern function fflush [2023-02-15 01:44:55,384 WARN L623 FunctionHandler]: Unknown extern function fflush [2023-02-15 01:44:55,387 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 [2023-02-15 01:44:55,387 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@10c34ae5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 01:44:55, skipping insertion in model container [2023-02-15 01:44:55,388 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-02-15 01:44:55,388 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2023-02-15 01:44:55,390 INFO L158 Benchmark]: Toolchain (without parser) took 844.10ms. Allocated memory is still 151.0MB. Free memory was 102.1MB in the beginning and 74.9MB in the end (delta: 27.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2023-02-15 01:44:55,390 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 117.4MB. Free memory was 92.6MB in the beginning and 92.6MB in the end (delta: 1.6kB). There was no memory consumed. Max. memory is 16.1GB. [2023-02-15 01:44:55,391 INFO L158 Benchmark]: CACSL2BoogieTranslator took 840.86ms. Allocated memory is still 151.0MB. Free memory was 102.1MB in the beginning and 74.9MB in the end (delta: 27.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2023-02-15 01:44:55,392 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 117.4MB. Free memory was 92.6MB in the beginning and 92.6MB in the end (delta: 1.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 840.86ms. Allocated memory is still 151.0MB. Free memory was 102.1MB in the beginning and 74.9MB in the end (delta: 27.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2359]: Unsupported Syntax encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg_and_die RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/busybox-1.22.0/readlink-2.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 983cec69549e2e1e8fd4af811fefcb63625f41eb81ec9e5957d0ba81a05cd15e --- Real Ultimate output --- This is Ultimate 0.2.2-?-7e1ff0e [2023-02-15 01:44:57,145 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-02-15 01:44:57,146 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-02-15 01:44:57,166 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-02-15 01:44:57,167 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-02-15 01:44:57,168 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-02-15 01:44:57,169 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-02-15 01:44:57,170 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-02-15 01:44:57,171 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-02-15 01:44:57,172 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-02-15 01:44:57,172 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-02-15 01:44:57,173 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-02-15 01:44:57,173 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-02-15 01:44:57,174 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-02-15 01:44:57,175 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-02-15 01:44:57,176 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-02-15 01:44:57,176 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-02-15 01:44:57,177 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-02-15 01:44:57,178 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-02-15 01:44:57,179 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-02-15 01:44:57,180 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-02-15 01:44:57,186 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-02-15 01:44:57,187 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-02-15 01:44:57,189 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-02-15 01:44:57,192 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-02-15 01:44:57,196 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-02-15 01:44:57,197 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-02-15 01:44:57,198 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-02-15 01:44:57,199 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-02-15 01:44:57,199 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-02-15 01:44:57,200 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-02-15 01:44:57,201 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-02-15 01:44:57,202 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-02-15 01:44:57,203 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-02-15 01:44:57,204 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-02-15 01:44:57,204 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-02-15 01:44:57,205 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-02-15 01:44:57,205 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-02-15 01:44:57,205 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-02-15 01:44:57,206 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-02-15 01:44:57,206 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-02-15 01:44:57,207 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Bitvector.epf [2023-02-15 01:44:57,242 INFO L113 SettingsManager]: Loading preferences was successful [2023-02-15 01:44:57,243 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-02-15 01:44:57,244 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-02-15 01:44:57,244 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-02-15 01:44:57,244 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-02-15 01:44:57,244 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-02-15 01:44:57,245 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-02-15 01:44:57,245 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-02-15 01:44:57,245 INFO L138 SettingsManager]: * Use SBE=true [2023-02-15 01:44:57,245 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-02-15 01:44:57,246 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-02-15 01:44:57,246 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-02-15 01:44:57,246 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-02-15 01:44:57,246 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-02-15 01:44:57,246 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2023-02-15 01:44:57,246 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-02-15 01:44:57,246 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-02-15 01:44:57,246 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-02-15 01:44:57,246 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2023-02-15 01:44:57,247 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-02-15 01:44:57,247 INFO L138 SettingsManager]: * Use constant arrays=true [2023-02-15 01:44:57,247 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-02-15 01:44:57,247 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-02-15 01:44:57,247 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-02-15 01:44:57,247 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-02-15 01:44:57,247 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-02-15 01:44:57,247 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-02-15 01:44:57,247 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2023-02-15 01:44:57,247 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-02-15 01:44:57,247 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-02-15 01:44:57,248 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-02-15 01:44:57,248 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-02-15 01:44:57,248 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2023-02-15 01:44:57,248 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-02-15 01:44:57,248 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 983cec69549e2e1e8fd4af811fefcb63625f41eb81ec9e5957d0ba81a05cd15e [2023-02-15 01:44:57,529 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-02-15 01:44:57,552 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-02-15 01:44:57,554 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-02-15 01:44:57,555 INFO L271 PluginConnector]: Initializing CDTParser... [2023-02-15 01:44:57,556 INFO L275 PluginConnector]: CDTParser initialized [2023-02-15 01:44:57,557 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/busybox-1.22.0/readlink-2.i [2023-02-15 01:44:58,641 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-02-15 01:44:58,982 INFO L351 CDTParser]: Found 1 translation units. [2023-02-15 01:44:58,983 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/busybox-1.22.0/readlink-2.i [2023-02-15 01:44:59,012 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ea302cb59/e710159dc1c44bc788932a0c1d0f8ccf/FLAGd4b705017 [2023-02-15 01:44:59,026 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ea302cb59/e710159dc1c44bc788932a0c1d0f8ccf [2023-02-15 01:44:59,028 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-02-15 01:44:59,030 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-02-15 01:44:59,032 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-02-15 01:44:59,032 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-02-15 01:44:59,035 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-02-15 01:44:59,035 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.02 01:44:59" (1/1) ... [2023-02-15 01:44:59,036 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b6ecaa4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 01:44:59, skipping insertion in model container [2023-02-15 01:44:59,036 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.02 01:44:59" (1/1) ... [2023-02-15 01:44:59,041 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-02-15 01:44:59,129 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-02-15 01:44:59,767 WARN L623 FunctionHandler]: Unknown extern function strerror [2023-02-15 01:44:59,769 WARN L623 FunctionHandler]: Unknown extern function strtoul [2023-02-15 01:44:59,770 WARN L623 FunctionHandler]: Unknown extern function vasprintf [2023-02-15 01:44:59,802 WARN L623 FunctionHandler]: Unknown extern function syslog [2023-02-15 01:44:59,803 WARN L623 FunctionHandler]: Unknown extern function fflush [2023-02-15 01:44:59,804 WARN L623 FunctionHandler]: Unknown extern function fflush [2023-02-15 01:44:59,806 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 [2023-02-15 01:44:59,806 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2f196a51 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 01:44:59, skipping insertion in model container [2023-02-15 01:44:59,806 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-02-15 01:44:59,807 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2023-02-15 01:44:59,808 INFO L158 Benchmark]: Toolchain (without parser) took 777.15ms. Allocated memory is still 71.3MB. Free memory was 42.8MB in the beginning and 45.2MB in the end (delta: -2.4MB). Peak memory consumption was 17.0MB. Max. memory is 16.1GB. [2023-02-15 01:44:59,808 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 56.6MB. Free memory is still 34.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-02-15 01:44:59,809 INFO L158 Benchmark]: CACSL2BoogieTranslator took 774.49ms. Allocated memory is still 71.3MB. Free memory was 42.6MB in the beginning and 45.2MB in the end (delta: -2.6MB). Peak memory consumption was 17.0MB. Max. memory is 16.1GB. [2023-02-15 01:44:59,810 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 56.6MB. Free memory is still 34.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 774.49ms. Allocated memory is still 71.3MB. Free memory was 42.6MB in the beginning and 45.2MB in the end (delta: -2.6MB). Peak memory consumption was 17.0MB. 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 Writing output log to file Ultimate.log Result: UNKNOWN