./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 2329fc70 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-?-2329fc7 [2023-02-14 02:28:11,883 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-02-14 02:28:11,884 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-02-14 02:28:11,922 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-02-14 02:28:11,922 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-02-14 02:28:11,925 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-02-14 02:28:11,926 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-02-14 02:28:11,928 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-02-14 02:28:11,929 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-02-14 02:28:11,933 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-02-14 02:28:11,934 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-02-14 02:28:11,935 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-02-14 02:28:11,935 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-02-14 02:28:11,937 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-02-14 02:28:11,938 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-02-14 02:28:11,939 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-02-14 02:28:11,940 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-02-14 02:28:11,941 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-02-14 02:28:11,942 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-02-14 02:28:11,945 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-02-14 02:28:11,946 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-02-14 02:28:11,947 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-02-14 02:28:11,947 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-02-14 02:28:11,948 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-02-14 02:28:11,954 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-02-14 02:28:11,954 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-02-14 02:28:11,954 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-02-14 02:28:11,955 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-02-14 02:28:11,955 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-02-14 02:28:11,956 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-02-14 02:28:11,956 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-02-14 02:28:11,957 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-02-14 02:28:11,958 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-02-14 02:28:11,959 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-02-14 02:28:11,960 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-02-14 02:28:11,960 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-02-14 02:28:11,960 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-02-14 02:28:11,960 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-02-14 02:28:11,961 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-02-14 02:28:11,961 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-02-14 02:28:11,962 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-02-14 02:28:11,963 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Default.epf [2023-02-14 02:28:11,986 INFO L113 SettingsManager]: Loading preferences was successful [2023-02-14 02:28:11,986 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-02-14 02:28:11,987 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-02-14 02:28:11,987 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-02-14 02:28:11,988 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-02-14 02:28:11,988 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-02-14 02:28:11,988 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-02-14 02:28:11,988 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-02-14 02:28:11,988 INFO L138 SettingsManager]: * Use SBE=true [2023-02-14 02:28:11,989 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-02-14 02:28:11,989 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-02-14 02:28:11,989 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-02-14 02:28:11,989 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-02-14 02:28:11,990 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-02-14 02:28:11,990 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2023-02-14 02:28:11,990 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-02-14 02:28:11,990 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-02-14 02:28:11,990 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-02-14 02:28:11,990 INFO L138 SettingsManager]: * Use constant arrays=true [2023-02-14 02:28:11,990 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-02-14 02:28:11,991 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-02-14 02:28:11,991 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-02-14 02:28:11,991 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-02-14 02:28:11,991 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-02-14 02:28:11,991 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-02-14 02:28:11,991 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-02-14 02:28:11,991 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-02-14 02:28:11,992 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-02-14 02:28:11,992 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-02-14 02:28:11,992 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-02-14 02:28:11,992 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-02-14 02:28:11,992 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 983cec69549e2e1e8fd4af811fefcb63625f41eb81ec9e5957d0ba81a05cd15e [2023-02-14 02:28:12,204 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-02-14 02:28:12,218 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-02-14 02:28:12,219 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-02-14 02:28:12,220 INFO L271 PluginConnector]: Initializing CDTParser... [2023-02-14 02:28:12,221 INFO L275 PluginConnector]: CDTParser initialized [2023-02-14 02:28:12,221 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/busybox-1.22.0/readlink-2.i [2023-02-14 02:28:13,205 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-02-14 02:28:13,506 INFO L351 CDTParser]: Found 1 translation units. [2023-02-14 02:28:13,507 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/busybox-1.22.0/readlink-2.i [2023-02-14 02:28:13,530 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bf848e086/beb637f4064a45e68c8e3710dc2adbb2/FLAG66970ff23 [2023-02-14 02:28:13,540 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bf848e086/beb637f4064a45e68c8e3710dc2adbb2 [2023-02-14 02:28:13,542 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-02-14 02:28:13,543 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-02-14 02:28:13,544 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-02-14 02:28:13,544 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-02-14 02:28:13,546 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-02-14 02:28:13,547 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.02 02:28:13" (1/1) ... [2023-02-14 02:28:13,547 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7982041f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 02:28:13, skipping insertion in model container [2023-02-14 02:28:13,548 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.02 02:28:13" (1/1) ... [2023-02-14 02:28:13,552 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-02-14 02:28:13,622 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-02-14 02:28:14,302 WARN L623 FunctionHandler]: Unknown extern function strerror [2023-02-14 02:28:14,303 WARN L623 FunctionHandler]: Unknown extern function strtoul [2023-02-14 02:28:14,306 WARN L623 FunctionHandler]: Unknown extern function vasprintf [2023-02-14 02:28:14,320 WARN L623 FunctionHandler]: Unknown extern function syslog [2023-02-14 02:28:14,326 WARN L623 FunctionHandler]: Unknown extern function fflush [2023-02-14 02:28:14,328 WARN L623 FunctionHandler]: Unknown extern function fflush [2023-02-14 02:28:14,330 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 [2023-02-14 02:28:14,331 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@11a51112 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 02:28:14, skipping insertion in model container [2023-02-14 02:28:14,331 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-02-14 02:28:14,331 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2023-02-14 02:28:14,333 INFO L158 Benchmark]: Toolchain (without parser) took 788.93ms. Allocated memory is still 140.5MB. Free memory was 95.9MB in the beginning and 68.6MB in the end (delta: 27.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2023-02-14 02:28:14,333 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 111.1MB. Free memory is still 84.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-02-14 02:28:14,333 INFO L158 Benchmark]: CACSL2BoogieTranslator took 787.31ms. Allocated memory is still 140.5MB. Free memory was 95.3MB in the beginning and 68.6MB in the end (delta: 26.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2023-02-14 02:28:14,335 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 111.1MB. Free memory is still 84.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 787.31ms. Allocated memory is still 140.5MB. Free memory was 95.3MB in the beginning and 68.6MB in the end (delta: 26.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2359]: Unsupported Syntax encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg_and_die RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally 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-?-2329fc7 [2023-02-14 02:28:16,022 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-02-14 02:28:16,024 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-02-14 02:28:16,057 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-02-14 02:28:16,059 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-02-14 02:28:16,061 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-02-14 02:28:16,063 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-02-14 02:28:16,065 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-02-14 02:28:16,069 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-02-14 02:28:16,070 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-02-14 02:28:16,071 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-02-14 02:28:16,073 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-02-14 02:28:16,073 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-02-14 02:28:16,076 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-02-14 02:28:16,077 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-02-14 02:28:16,080 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-02-14 02:28:16,080 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-02-14 02:28:16,081 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-02-14 02:28:16,083 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-02-14 02:28:16,085 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-02-14 02:28:16,086 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-02-14 02:28:16,087 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-02-14 02:28:16,088 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-02-14 02:28:16,088 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-02-14 02:28:16,092 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-02-14 02:28:16,093 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-02-14 02:28:16,093 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-02-14 02:28:16,094 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-02-14 02:28:16,095 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-02-14 02:28:16,096 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-02-14 02:28:16,096 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-02-14 02:28:16,100 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-02-14 02:28:16,102 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-02-14 02:28:16,102 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-02-14 02:28:16,103 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-02-14 02:28:16,103 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-02-14 02:28:16,103 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-02-14 02:28:16,104 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-02-14 02:28:16,104 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-02-14 02:28:16,104 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-02-14 02:28:16,105 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-02-14 02:28:16,106 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Bitvector.epf [2023-02-14 02:28:16,131 INFO L113 SettingsManager]: Loading preferences was successful [2023-02-14 02:28:16,132 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-02-14 02:28:16,133 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-02-14 02:28:16,133 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-02-14 02:28:16,134 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-02-14 02:28:16,134 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-02-14 02:28:16,134 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-02-14 02:28:16,134 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-02-14 02:28:16,135 INFO L138 SettingsManager]: * Use SBE=true [2023-02-14 02:28:16,135 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-02-14 02:28:16,135 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-02-14 02:28:16,136 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-02-14 02:28:16,136 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-02-14 02:28:16,136 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-02-14 02:28:16,136 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2023-02-14 02:28:16,136 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-02-14 02:28:16,136 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-02-14 02:28:16,137 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-02-14 02:28:16,137 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2023-02-14 02:28:16,137 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-02-14 02:28:16,137 INFO L138 SettingsManager]: * Use constant arrays=true [2023-02-14 02:28:16,137 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-02-14 02:28:16,137 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-02-14 02:28:16,138 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-02-14 02:28:16,138 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-02-14 02:28:16,138 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-02-14 02:28:16,138 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-02-14 02:28:16,138 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2023-02-14 02:28:16,138 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-02-14 02:28:16,138 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-02-14 02:28:16,139 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-02-14 02:28:16,139 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-02-14 02:28:16,139 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2023-02-14 02:28:16,139 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-02-14 02:28:16,139 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 983cec69549e2e1e8fd4af811fefcb63625f41eb81ec9e5957d0ba81a05cd15e [2023-02-14 02:28:16,431 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-02-14 02:28:16,449 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-02-14 02:28:16,451 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-02-14 02:28:16,452 INFO L271 PluginConnector]: Initializing CDTParser... [2023-02-14 02:28:16,452 INFO L275 PluginConnector]: CDTParser initialized [2023-02-14 02:28:16,454 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/busybox-1.22.0/readlink-2.i [2023-02-14 02:28:17,427 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-02-14 02:28:17,774 INFO L351 CDTParser]: Found 1 translation units. [2023-02-14 02:28:17,775 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/busybox-1.22.0/readlink-2.i [2023-02-14 02:28:17,794 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/66b548c25/9e4b6ad4def74bb194068e279f2f6193/FLAGf7efe7681 [2023-02-14 02:28:17,804 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/66b548c25/9e4b6ad4def74bb194068e279f2f6193 [2023-02-14 02:28:17,806 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-02-14 02:28:17,807 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-02-14 02:28:17,808 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-02-14 02:28:17,808 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-02-14 02:28:17,811 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-02-14 02:28:17,811 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.02 02:28:17" (1/1) ... [2023-02-14 02:28:17,812 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c7e1400 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 02:28:17, skipping insertion in model container [2023-02-14 02:28:17,812 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.02 02:28:17" (1/1) ... [2023-02-14 02:28:17,817 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-02-14 02:28:17,879 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-02-14 02:28:18,557 WARN L623 FunctionHandler]: Unknown extern function strerror [2023-02-14 02:28:18,560 WARN L623 FunctionHandler]: Unknown extern function strtoul [2023-02-14 02:28:18,564 WARN L623 FunctionHandler]: Unknown extern function vasprintf [2023-02-14 02:28:18,577 WARN L623 FunctionHandler]: Unknown extern function syslog [2023-02-14 02:28:18,583 WARN L623 FunctionHandler]: Unknown extern function fflush [2023-02-14 02:28:18,586 WARN L623 FunctionHandler]: Unknown extern function fflush [2023-02-14 02:28:18,588 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 [2023-02-14 02:28:18,590 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@72505921 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 02:28:18, skipping insertion in model container [2023-02-14 02:28:18,590 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-02-14 02:28:18,590 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2023-02-14 02:28:18,592 INFO L158 Benchmark]: Toolchain (without parser) took 783.44ms. Allocated memory is still 79.7MB. Free memory was 51.8MB in the beginning and 43.7MB in the end (delta: 8.1MB). Peak memory consumption was 19.3MB. Max. memory is 16.1GB. [2023-02-14 02:28:18,592 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 58.7MB. Free memory is still 35.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-02-14 02:28:18,593 INFO L158 Benchmark]: CACSL2BoogieTranslator took 781.84ms. Allocated memory is still 79.7MB. Free memory was 51.8MB in the beginning and 43.7MB in the end (delta: 8.1MB). Peak memory consumption was 19.3MB. Max. memory is 16.1GB. [2023-02-14 02:28:18,594 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 58.7MB. Free memory is still 35.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 781.84ms. Allocated memory is still 79.7MB. Free memory was 51.8MB in the beginning and 43.7MB in the end (delta: 8.1MB). Peak memory consumption was 19.3MB. 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 Writing output log to file Ultimate.log Result: UNKNOWN