./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 e8d55036 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-?-e8d5503-m [2023-02-15 22:35:39,896 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-02-15 22:35:39,897 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-02-15 22:35:39,919 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-02-15 22:35:39,921 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-02-15 22:35:39,924 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-02-15 22:35:39,925 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-02-15 22:35:39,927 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-02-15 22:35:39,929 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-02-15 22:35:39,934 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-02-15 22:35:39,935 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-02-15 22:35:39,937 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-02-15 22:35:39,937 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-02-15 22:35:39,939 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-02-15 22:35:39,940 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-02-15 22:35:39,942 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-02-15 22:35:39,942 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-02-15 22:35:39,943 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-02-15 22:35:39,944 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-02-15 22:35:39,948 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-02-15 22:35:39,949 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-02-15 22:35:39,950 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-02-15 22:35:39,951 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-02-15 22:35:39,951 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-02-15 22:35:39,954 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-02-15 22:35:39,954 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-02-15 22:35:39,955 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-02-15 22:35:39,956 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-02-15 22:35:39,956 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-02-15 22:35:39,956 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-02-15 22:35:39,957 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-02-15 22:35:39,957 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-02-15 22:35:39,958 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-02-15 22:35:39,959 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-02-15 22:35:39,960 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-02-15 22:35:39,960 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-02-15 22:35:39,961 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-02-15 22:35:39,961 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-02-15 22:35:39,961 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-02-15 22:35:39,962 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-02-15 22:35:39,962 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-02-15 22:35:39,963 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Default.epf [2023-02-15 22:35:39,991 INFO L113 SettingsManager]: Loading preferences was successful [2023-02-15 22:35:39,991 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-02-15 22:35:39,992 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-02-15 22:35:39,992 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-02-15 22:35:39,992 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-02-15 22:35:39,993 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-02-15 22:35:39,993 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-02-15 22:35:39,993 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-02-15 22:35:39,993 INFO L138 SettingsManager]: * Use SBE=true [2023-02-15 22:35:39,993 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-02-15 22:35:39,994 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-02-15 22:35:39,994 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-02-15 22:35:39,994 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-02-15 22:35:39,994 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-02-15 22:35:39,995 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2023-02-15 22:35:39,995 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-02-15 22:35:39,995 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-02-15 22:35:39,995 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-02-15 22:35:39,995 INFO L138 SettingsManager]: * Use constant arrays=true [2023-02-15 22:35:39,995 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-02-15 22:35:39,995 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-02-15 22:35:39,995 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-02-15 22:35:39,996 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-02-15 22:35:39,996 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-02-15 22:35:39,996 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-02-15 22:35:39,996 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-02-15 22:35:39,996 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-02-15 22:35:39,996 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-02-15 22:35:39,996 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-02-15 22:35:39,997 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-02-15 22:35:39,997 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-02-15 22:35:39,997 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 983cec69549e2e1e8fd4af811fefcb63625f41eb81ec9e5957d0ba81a05cd15e [2023-02-15 22:35:40,212 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-02-15 22:35:40,227 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-02-15 22:35:40,229 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-02-15 22:35:40,230 INFO L271 PluginConnector]: Initializing CDTParser... [2023-02-15 22:35:40,230 INFO L275 PluginConnector]: CDTParser initialized [2023-02-15 22:35:40,231 INFO L432 ainManager$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 22:35:41,262 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-02-15 22:35:41,523 INFO L351 CDTParser]: Found 1 translation units. [2023-02-15 22:35:41,524 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/busybox-1.22.0/readlink-2.i [2023-02-15 22:35:41,549 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7ecce58b4/ecdc6b6df9e44e8ab627e7c8624a8c58/FLAG00d8798be [2023-02-15 22:35:41,565 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7ecce58b4/ecdc6b6df9e44e8ab627e7c8624a8c58 [2023-02-15 22:35:41,567 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-02-15 22:35:41,568 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-02-15 22:35:41,568 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-02-15 22:35:41,569 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-02-15 22:35:41,571 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-02-15 22:35:41,571 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.02 10:35:41" (1/1) ... [2023-02-15 22:35:41,572 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22f9dc27 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 10:35:41, skipping insertion in model container [2023-02-15 22:35:41,572 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.02 10:35:41" (1/1) ... [2023-02-15 22:35:41,577 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-02-15 22:35:41,672 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-02-15 22:35:42,275 WARN L623 FunctionHandler]: Unknown extern function strerror [2023-02-15 22:35:42,277 WARN L623 FunctionHandler]: Unknown extern function strtoul [2023-02-15 22:35:42,279 WARN L623 FunctionHandler]: Unknown extern function vasprintf [2023-02-15 22:35:42,293 WARN L623 FunctionHandler]: Unknown extern function syslog [2023-02-15 22:35:42,298 WARN L623 FunctionHandler]: Unknown extern function fflush [2023-02-15 22:35:42,299 WARN L623 FunctionHandler]: Unknown extern function fflush [2023-02-15 22:35:42,302 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 22:35:42,302 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@874be50 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 10:35:42, skipping insertion in model container [2023-02-15 22:35:42,302 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-02-15 22:35:42,303 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2023-02-15 22:35:42,304 INFO L158 Benchmark]: Toolchain (without parser) took 735.57ms. Allocated memory is still 142.6MB. Free memory was 89.7MB in the beginning and 89.4MB in the end (delta: 277.3kB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-02-15 22:35:42,304 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 98.6MB. Free memory is still 67.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-02-15 22:35:42,305 INFO L158 Benchmark]: CACSL2BoogieTranslator took 734.12ms. Allocated memory is still 142.6MB. Free memory was 89.7MB in the beginning and 89.4MB in the end (delta: 277.3kB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-02-15 22:35:42,306 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 98.6MB. Free memory is still 67.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 734.12ms. Allocated memory is still 142.6MB. Free memory was 89.7MB in the beginning and 89.4MB in the end (delta: 277.3kB). Peak memory consumption was 6.3MB. 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-?-e8d5503-m [2023-02-15 22:35:43,948 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-02-15 22:35:43,950 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-02-15 22:35:43,987 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-02-15 22:35:43,989 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-02-15 22:35:43,991 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-02-15 22:35:43,993 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-02-15 22:35:43,995 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-02-15 22:35:43,999 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-02-15 22:35:44,001 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-02-15 22:35:44,002 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-02-15 22:35:44,002 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-02-15 22:35:44,003 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-02-15 22:35:44,004 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-02-15 22:35:44,005 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-02-15 22:35:44,007 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-02-15 22:35:44,008 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-02-15 22:35:44,009 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-02-15 22:35:44,011 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-02-15 22:35:44,014 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-02-15 22:35:44,015 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-02-15 22:35:44,016 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-02-15 22:35:44,017 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-02-15 22:35:44,017 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-02-15 22:35:44,023 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-02-15 22:35:44,024 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-02-15 22:35:44,024 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-02-15 22:35:44,025 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-02-15 22:35:44,026 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-02-15 22:35:44,026 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-02-15 22:35:44,026 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-02-15 22:35:44,031 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-02-15 22:35:44,032 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-02-15 22:35:44,032 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-02-15 22:35:44,033 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-02-15 22:35:44,034 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-02-15 22:35:44,034 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-02-15 22:35:44,034 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-02-15 22:35:44,034 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-02-15 22:35:44,035 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-02-15 22:35:44,035 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-02-15 22:35:44,036 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Bitvector.epf [2023-02-15 22:35:44,062 INFO L113 SettingsManager]: Loading preferences was successful [2023-02-15 22:35:44,062 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-02-15 22:35:44,063 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-02-15 22:35:44,063 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-02-15 22:35:44,064 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-02-15 22:35:44,064 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-02-15 22:35:44,064 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-02-15 22:35:44,064 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-02-15 22:35:44,065 INFO L138 SettingsManager]: * Use SBE=true [2023-02-15 22:35:44,065 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-02-15 22:35:44,065 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-02-15 22:35:44,066 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-02-15 22:35:44,066 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-02-15 22:35:44,066 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-02-15 22:35:44,066 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2023-02-15 22:35:44,066 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-02-15 22:35:44,066 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-02-15 22:35:44,066 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-02-15 22:35:44,066 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2023-02-15 22:35:44,067 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-02-15 22:35:44,067 INFO L138 SettingsManager]: * Use constant arrays=true [2023-02-15 22:35:44,067 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-02-15 22:35:44,067 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-02-15 22:35:44,067 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-02-15 22:35:44,067 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-02-15 22:35:44,067 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-02-15 22:35:44,068 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-02-15 22:35:44,068 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2023-02-15 22:35:44,068 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-02-15 22:35:44,068 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-02-15 22:35:44,068 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-02-15 22:35:44,068 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-02-15 22:35:44,068 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2023-02-15 22:35:44,069 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-02-15 22:35:44,069 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 983cec69549e2e1e8fd4af811fefcb63625f41eb81ec9e5957d0ba81a05cd15e [2023-02-15 22:35:44,297 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-02-15 22:35:44,309 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-02-15 22:35:44,311 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-02-15 22:35:44,312 INFO L271 PluginConnector]: Initializing CDTParser... [2023-02-15 22:35:44,312 INFO L275 PluginConnector]: CDTParser initialized [2023-02-15 22:35:44,313 INFO L432 ainManager$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 22:35:45,392 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-02-15 22:35:45,695 INFO L351 CDTParser]: Found 1 translation units. [2023-02-15 22:35:45,696 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/busybox-1.22.0/readlink-2.i [2023-02-15 22:35:45,733 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ba64e6c6c/26db1322edfa472cbec713660f505d07/FLAG91775ff2a [2023-02-15 22:35:45,744 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ba64e6c6c/26db1322edfa472cbec713660f505d07 [2023-02-15 22:35:45,745 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-02-15 22:35:45,746 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-02-15 22:35:45,748 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-02-15 22:35:45,748 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-02-15 22:35:45,750 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-02-15 22:35:45,750 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.02 10:35:45" (1/1) ... [2023-02-15 22:35:45,751 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2eee3d23 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 10:35:45, skipping insertion in model container [2023-02-15 22:35:45,751 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.02 10:35:45" (1/1) ... [2023-02-15 22:35:45,756 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-02-15 22:35:45,826 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-02-15 22:35:46,576 WARN L623 FunctionHandler]: Unknown extern function strerror [2023-02-15 22:35:46,577 WARN L623 FunctionHandler]: Unknown extern function strtoul [2023-02-15 22:35:46,580 WARN L623 FunctionHandler]: Unknown extern function vasprintf [2023-02-15 22:35:46,592 WARN L623 FunctionHandler]: Unknown extern function syslog [2023-02-15 22:35:46,598 WARN L623 FunctionHandler]: Unknown extern function fflush [2023-02-15 22:35:46,599 WARN L623 FunctionHandler]: Unknown extern function fflush [2023-02-15 22:35:46,602 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 22:35:46,602 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@672798da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 10:35:46, skipping insertion in model container [2023-02-15 22:35:46,602 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-02-15 22:35:46,603 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2023-02-15 22:35:46,604 INFO L158 Benchmark]: Toolchain (without parser) took 856.96ms. Allocated memory is still 71.3MB. Free memory was 43.5MB in the beginning and 36.9MB in the end (delta: 6.6MB). Peak memory consumption was 19.6MB. Max. memory is 16.1GB. [2023-02-15 22:35:46,604 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 71.3MB. Free memory is still 49.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-02-15 22:35:46,605 INFO L158 Benchmark]: CACSL2BoogieTranslator took 854.58ms. Allocated memory is still 71.3MB. Free memory was 43.3MB in the beginning and 37.3MB in the end (delta: 6.0MB). Peak memory consumption was 19.6MB. Max. memory is 16.1GB. [2023-02-15 22:35:46,606 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 71.3MB. Free memory is still 49.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 854.58ms. Allocated memory is still 71.3MB. Free memory was 43.3MB in the beginning and 37.3MB in the end (delta: 6.0MB). Peak memory consumption was 19.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2359]: Unsupported Syntax encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg_and_die RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN