./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 a31fd051 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-?-a31fd05 [2023-02-15 13:35:21,839 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-02-15 13:35:21,841 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-02-15 13:35:21,883 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-02-15 13:35:21,883 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-02-15 13:35:21,886 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-02-15 13:35:21,888 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-02-15 13:35:21,891 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-02-15 13:35:21,893 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-02-15 13:35:21,898 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-02-15 13:35:21,899 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-02-15 13:35:21,901 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-02-15 13:35:21,902 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-02-15 13:35:21,904 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-02-15 13:35:21,905 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-02-15 13:35:21,908 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-02-15 13:35:21,909 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-02-15 13:35:21,910 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-02-15 13:35:21,911 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-02-15 13:35:21,914 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-02-15 13:35:21,917 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-02-15 13:35:21,918 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-02-15 13:35:21,919 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-02-15 13:35:21,919 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-02-15 13:35:21,924 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-02-15 13:35:21,924 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-02-15 13:35:21,925 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-02-15 13:35:21,926 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-02-15 13:35:21,927 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-02-15 13:35:21,928 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-02-15 13:35:21,928 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-02-15 13:35:21,928 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-02-15 13:35:21,930 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-02-15 13:35:21,930 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-02-15 13:35:21,931 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-02-15 13:35:21,931 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-02-15 13:35:21,932 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-02-15 13:35:21,932 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-02-15 13:35:21,932 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-02-15 13:35:21,933 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-02-15 13:35:21,934 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-02-15 13:35:21,935 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Default.epf [2023-02-15 13:35:21,961 INFO L113 SettingsManager]: Loading preferences was successful [2023-02-15 13:35:21,962 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-02-15 13:35:21,962 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-02-15 13:35:21,962 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-02-15 13:35:21,963 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-02-15 13:35:21,963 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-02-15 13:35:21,964 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-02-15 13:35:21,964 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-02-15 13:35:21,964 INFO L138 SettingsManager]: * Use SBE=true [2023-02-15 13:35:21,964 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-02-15 13:35:21,965 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-02-15 13:35:21,965 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-02-15 13:35:21,966 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-02-15 13:35:21,966 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-02-15 13:35:21,966 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2023-02-15 13:35:21,966 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-02-15 13:35:21,966 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-02-15 13:35:21,966 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-02-15 13:35:21,966 INFO L138 SettingsManager]: * Use constant arrays=true [2023-02-15 13:35:21,967 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-02-15 13:35:21,967 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-02-15 13:35:21,967 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-02-15 13:35:21,967 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-02-15 13:35:21,967 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-02-15 13:35:21,967 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-02-15 13:35:21,968 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-02-15 13:35:21,968 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-02-15 13:35:21,968 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-02-15 13:35:21,968 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-02-15 13:35:21,969 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-02-15 13:35:21,969 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-02-15 13:35:21,969 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 983cec69549e2e1e8fd4af811fefcb63625f41eb81ec9e5957d0ba81a05cd15e [2023-02-15 13:35:22,148 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-02-15 13:35:22,163 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-02-15 13:35:22,166 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-02-15 13:35:22,166 INFO L271 PluginConnector]: Initializing CDTParser... [2023-02-15 13:35:22,167 INFO L275 PluginConnector]: CDTParser initialized [2023-02-15 13:35:22,168 INFO L432 ainManager$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 13:35:23,196 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-02-15 13:35:23,514 INFO L351 CDTParser]: Found 1 translation units. [2023-02-15 13:35:23,515 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/busybox-1.22.0/readlink-2.i [2023-02-15 13:35:23,538 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/735d8fb2b/a3c41a554df84291b46d56fb7702260b/FLAG9744cc401 [2023-02-15 13:35:23,549 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/735d8fb2b/a3c41a554df84291b46d56fb7702260b [2023-02-15 13:35:23,550 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-02-15 13:35:23,552 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-02-15 13:35:23,553 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-02-15 13:35:23,554 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-02-15 13:35:23,556 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-02-15 13:35:23,556 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.02 01:35:23" (1/1) ... [2023-02-15 13:35:23,557 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@555bb230 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 01:35:23, skipping insertion in model container [2023-02-15 13:35:23,557 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.02 01:35:23" (1/1) ... [2023-02-15 13:35:23,562 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-02-15 13:35:23,619 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-02-15 13:35:24,315 WARN L623 FunctionHandler]: Unknown extern function strerror [2023-02-15 13:35:24,316 WARN L623 FunctionHandler]: Unknown extern function strtoul [2023-02-15 13:35:24,318 WARN L623 FunctionHandler]: Unknown extern function vasprintf [2023-02-15 13:35:24,347 WARN L623 FunctionHandler]: Unknown extern function syslog [2023-02-15 13:35:24,364 WARN L623 FunctionHandler]: Unknown extern function fflush [2023-02-15 13:35:24,366 WARN L623 FunctionHandler]: Unknown extern function fflush [2023-02-15 13:35:24,367 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 13:35:24,368 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2930e718 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 01:35:24, skipping insertion in model container [2023-02-15 13:35:24,368 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-02-15 13:35:24,368 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2023-02-15 13:35:24,370 INFO L158 Benchmark]: Toolchain (without parser) took 816.93ms. Allocated memory was 151.0MB in the beginning and 182.5MB in the end (delta: 31.5MB). Free memory was 100.2MB in the beginning and 148.3MB in the end (delta: -48.1MB). Peak memory consumption was 35.9MB. Max. memory is 16.1GB. [2023-02-15 13:35:24,370 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 151.0MB. Free memory is still 96.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-02-15 13:35:24,371 INFO L158 Benchmark]: CACSL2BoogieTranslator took 815.04ms. Allocated memory was 151.0MB in the beginning and 182.5MB in the end (delta: 31.5MB). Free memory was 100.2MB in the beginning and 148.3MB in the end (delta: -48.1MB). Peak memory consumption was 35.9MB. Max. memory is 16.1GB. [2023-02-15 13:35:24,372 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 151.0MB. Free memory is still 96.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 815.04ms. Allocated memory was 151.0MB in the beginning and 182.5MB in the end (delta: 31.5MB). Free memory was 100.2MB in the beginning and 148.3MB in the end (delta: -48.1MB). Peak memory consumption was 35.9MB. 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-?-a31fd05 [2023-02-15 13:35:25,982 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-02-15 13:35:25,984 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-02-15 13:35:26,013 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-02-15 13:35:26,013 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-02-15 13:35:26,016 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-02-15 13:35:26,017 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-02-15 13:35:26,019 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-02-15 13:35:26,022 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-02-15 13:35:26,026 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-02-15 13:35:26,027 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-02-15 13:35:26,028 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-02-15 13:35:26,029 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-02-15 13:35:26,030 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-02-15 13:35:26,031 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-02-15 13:35:26,033 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-02-15 13:35:26,042 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-02-15 13:35:26,043 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-02-15 13:35:26,044 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-02-15 13:35:26,048 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-02-15 13:35:26,049 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-02-15 13:35:26,050 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-02-15 13:35:26,050 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-02-15 13:35:26,051 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-02-15 13:35:26,056 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-02-15 13:35:26,056 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-02-15 13:35:26,056 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-02-15 13:35:26,057 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-02-15 13:35:26,058 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-02-15 13:35:26,058 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-02-15 13:35:26,059 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-02-15 13:35:26,063 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-02-15 13:35:26,065 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-02-15 13:35:26,065 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-02-15 13:35:26,066 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-02-15 13:35:26,066 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-02-15 13:35:26,066 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-02-15 13:35:26,067 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-02-15 13:35:26,067 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-02-15 13:35:26,067 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-02-15 13:35:26,068 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-02-15 13:35:26,071 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Bitvector.epf [2023-02-15 13:35:26,096 INFO L113 SettingsManager]: Loading preferences was successful [2023-02-15 13:35:26,096 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-02-15 13:35:26,097 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-02-15 13:35:26,097 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-02-15 13:35:26,098 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-02-15 13:35:26,098 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-02-15 13:35:26,098 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-02-15 13:35:26,099 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-02-15 13:35:26,099 INFO L138 SettingsManager]: * Use SBE=true [2023-02-15 13:35:26,099 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-02-15 13:35:26,100 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-02-15 13:35:26,100 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-02-15 13:35:26,100 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-02-15 13:35:26,100 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-02-15 13:35:26,100 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2023-02-15 13:35:26,100 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-02-15 13:35:26,100 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-02-15 13:35:26,101 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-02-15 13:35:26,101 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2023-02-15 13:35:26,101 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-02-15 13:35:26,101 INFO L138 SettingsManager]: * Use constant arrays=true [2023-02-15 13:35:26,101 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-02-15 13:35:26,101 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-02-15 13:35:26,102 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-02-15 13:35:26,102 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-02-15 13:35:26,102 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-02-15 13:35:26,102 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-02-15 13:35:26,102 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2023-02-15 13:35:26,102 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-02-15 13:35:26,102 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-02-15 13:35:26,103 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-02-15 13:35:26,103 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-02-15 13:35:26,103 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2023-02-15 13:35:26,103 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-02-15 13:35:26,103 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 983cec69549e2e1e8fd4af811fefcb63625f41eb81ec9e5957d0ba81a05cd15e [2023-02-15 13:35:26,351 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-02-15 13:35:26,366 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-02-15 13:35:26,368 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-02-15 13:35:26,369 INFO L271 PluginConnector]: Initializing CDTParser... [2023-02-15 13:35:26,369 INFO L275 PluginConnector]: CDTParser initialized [2023-02-15 13:35:26,370 INFO L432 ainManager$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 13:35:27,355 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-02-15 13:35:27,757 INFO L351 CDTParser]: Found 1 translation units. [2023-02-15 13:35:27,758 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/busybox-1.22.0/readlink-2.i [2023-02-15 13:35:27,784 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9d2c534ff/ca6b2c71d13040ff928ced9c8d196564/FLAG26c0bcb7e [2023-02-15 13:35:27,802 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9d2c534ff/ca6b2c71d13040ff928ced9c8d196564 [2023-02-15 13:35:27,804 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-02-15 13:35:27,805 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-02-15 13:35:27,808 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-02-15 13:35:27,808 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-02-15 13:35:27,810 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-02-15 13:35:27,811 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.02 01:35:27" (1/1) ... [2023-02-15 13:35:27,812 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ee738c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 01:35:27, skipping insertion in model container [2023-02-15 13:35:27,812 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.02 01:35:27" (1/1) ... [2023-02-15 13:35:27,817 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-02-15 13:35:27,880 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-02-15 13:35:28,698 WARN L623 FunctionHandler]: Unknown extern function strerror [2023-02-15 13:35:28,700 WARN L623 FunctionHandler]: Unknown extern function strtoul [2023-02-15 13:35:28,702 WARN L623 FunctionHandler]: Unknown extern function vasprintf [2023-02-15 13:35:28,711 WARN L623 FunctionHandler]: Unknown extern function syslog [2023-02-15 13:35:28,712 WARN L623 FunctionHandler]: Unknown extern function fflush [2023-02-15 13:35:28,714 WARN L623 FunctionHandler]: Unknown extern function fflush [2023-02-15 13:35:28,715 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 13:35:28,716 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@549f53d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 01:35:28, skipping insertion in model container [2023-02-15 13:35:28,716 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-02-15 13:35:28,716 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2023-02-15 13:35:28,717 INFO L158 Benchmark]: Toolchain (without parser) took 911.34ms. Allocated memory is still 107.0MB. Free memory was 79.9MB in the beginning and 81.1MB in the end (delta: -1.2MB). Peak memory consumption was 35.0MB. Max. memory is 16.1GB. [2023-02-15 13:35:28,718 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 73.4MB. Free memory was 51.1MB in the beginning and 51.1MB in the end (delta: 57.1kB). There was no memory consumed. Max. memory is 16.1GB. [2023-02-15 13:35:28,719 INFO L158 Benchmark]: CACSL2BoogieTranslator took 908.40ms. Allocated memory is still 107.0MB. Free memory was 79.6MB in the beginning and 81.1MB in the end (delta: -1.5MB). Peak memory consumption was 35.0MB. Max. memory is 16.1GB. [2023-02-15 13:35:28,720 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 73.4MB. Free memory was 51.1MB in the beginning and 51.1MB in the end (delta: 57.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 908.40ms. Allocated memory is still 107.0MB. Free memory was 79.6MB in the beginning and 81.1MB in the end (delta: -1.5MB). Peak memory consumption was 35.0MB. 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