./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/busybox-1.22.0/du-1.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version ff03de63 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/du-1.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 a7d47fd1cb183de21869a58eb9084ebc9903847b2928a08049ba239b8cab5299 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-ff03de6 [2021-12-21 20:39:51,865 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-21 20:39:51,867 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-21 20:39:51,912 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-21 20:39:51,930 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-21 20:39:51,931 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-21 20:39:51,932 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-21 20:39:51,934 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-21 20:39:51,935 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-21 20:39:51,936 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-21 20:39:51,936 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-21 20:39:51,937 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-21 20:39:51,938 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-21 20:39:51,939 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-21 20:39:51,940 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-21 20:39:51,940 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-21 20:39:51,941 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-21 20:39:51,942 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-21 20:39:51,943 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-21 20:39:51,944 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-21 20:39:51,946 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-21 20:39:51,946 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-21 20:39:51,947 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-21 20:39:51,948 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-21 20:39:51,950 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-21 20:39:51,950 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-21 20:39:51,950 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-21 20:39:51,951 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-21 20:39:51,951 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-21 20:39:51,952 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-21 20:39:51,952 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-21 20:39:51,953 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-21 20:39:51,954 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-21 20:39:51,954 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-21 20:39:51,955 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-21 20:39:51,955 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-21 20:39:51,956 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-21 20:39:51,956 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-21 20:39:51,956 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-21 20:39:51,957 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-21 20:39:51,958 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-21 20:39:51,959 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Default.epf [2021-12-21 20:39:51,976 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-21 20:39:51,976 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-21 20:39:51,977 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-21 20:39:51,977 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-21 20:39:51,978 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-21 20:39:51,978 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-21 20:39:51,978 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-21 20:39:51,979 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-21 20:39:51,979 INFO L138 SettingsManager]: * Use SBE=true [2021-12-21 20:39:51,979 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-21 20:39:51,979 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-21 20:39:51,979 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-21 20:39:51,980 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-21 20:39:51,980 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-12-21 20:39:51,980 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-12-21 20:39:51,980 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-12-21 20:39:51,980 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-21 20:39:51,981 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-21 20:39:51,981 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-21 20:39:51,981 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-21 20:39:51,981 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-21 20:39:51,982 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-21 20:39:51,982 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-21 20:39:51,982 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-21 20:39:51,982 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-21 20:39:51,982 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-21 20:39:51,983 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-21 20:39:51,983 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-21 20:39:51,983 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a7d47fd1cb183de21869a58eb9084ebc9903847b2928a08049ba239b8cab5299 [2021-12-21 20:39:52,232 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-21 20:39:52,258 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-21 20:39:52,260 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-21 20:39:52,261 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-21 20:39:52,262 INFO L275 PluginConnector]: CDTParser initialized [2021-12-21 20:39:52,264 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/busybox-1.22.0/du-1.i [2021-12-21 20:39:52,329 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/66f3af028/cb118c95a12f4d519c25805d7cd79e95/FLAG3f9c257bf [2021-12-21 20:39:52,931 INFO L306 CDTParser]: Found 1 translation units. [2021-12-21 20:39:52,932 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/busybox-1.22.0/du-1.i [2021-12-21 20:39:52,965 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/66f3af028/cb118c95a12f4d519c25805d7cd79e95/FLAG3f9c257bf [2021-12-21 20:39:53,127 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/66f3af028/cb118c95a12f4d519c25805d7cd79e95 [2021-12-21 20:39:53,129 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-21 20:39:53,131 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-21 20:39:53,135 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-21 20:39:53,135 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-21 20:39:53,138 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-21 20:39:53,140 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 08:39:53" (1/1) ... [2021-12-21 20:39:53,141 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68ff3538 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 08:39:53, skipping insertion in model container [2021-12-21 20:39:53,141 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 08:39:53" (1/1) ... [2021-12-21 20:39:53,147 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-21 20:39:53,221 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-21 20:39:54,137 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg [2021-12-21 20:39:54,138 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3d803e6a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 08:39:54, skipping insertion in model container [2021-12-21 20:39:54,138 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-21 20:39:54,139 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-12-21 20:39:54,141 INFO L158 Benchmark]: Toolchain (without parser) took 1008.71ms. Allocated memory was 81.8MB in the beginning and 102.8MB in the end (delta: 21.0MB). Free memory was 45.8MB in the beginning and 60.7MB in the end (delta: -15.0MB). Peak memory consumption was 14.4MB. Max. memory is 16.1GB. [2021-12-21 20:39:54,141 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 81.8MB. Free memory was 40.9MB in the beginning and 40.8MB in the end (delta: 46.9kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-21 20:39:54,142 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1003.43ms. Allocated memory was 81.8MB in the beginning and 102.8MB in the end (delta: 21.0MB). Free memory was 45.5MB in the beginning and 60.7MB in the end (delta: -15.2MB). Peak memory consumption was 14.4MB. Max. memory is 16.1GB. [2021-12-21 20:39:54,143 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 81.8MB. Free memory was 40.9MB in the beginning and 40.8MB in the end (delta: 46.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1003.43ms. Allocated memory was 81.8MB in the beginning and 102.8MB in the end (delta: 21.0MB). Free memory was 45.5MB in the beginning and 60.7MB in the end (delta: -15.2MB). Peak memory consumption was 14.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2643]: Unsupported Syntax encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg 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/du-1.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 a7d47fd1cb183de21869a58eb9084ebc9903847b2928a08049ba239b8cab5299 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-ff03de6 [2021-12-21 20:39:55,832 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-21 20:39:55,835 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-21 20:39:55,874 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-21 20:39:55,874 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-21 20:39:55,877 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-21 20:39:55,879 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-21 20:39:55,883 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-21 20:39:55,886 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-21 20:39:55,890 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-21 20:39:55,891 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-21 20:39:55,895 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-21 20:39:55,896 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-21 20:39:55,898 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-21 20:39:55,899 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-21 20:39:55,903 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-21 20:39:55,903 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-21 20:39:55,904 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-21 20:39:55,906 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-21 20:39:55,911 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-21 20:39:55,914 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-21 20:39:55,915 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-21 20:39:55,916 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-21 20:39:55,917 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-21 20:39:55,923 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-21 20:39:55,924 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-21 20:39:55,924 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-21 20:39:55,933 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-21 20:39:55,933 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-21 20:39:55,934 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-21 20:39:55,934 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-21 20:39:55,935 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-21 20:39:55,936 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-21 20:39:55,937 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-21 20:39:55,938 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-21 20:39:55,938 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-21 20:39:55,939 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-21 20:39:55,939 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-21 20:39:55,939 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-21 20:39:55,941 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-21 20:39:55,941 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-21 20:39:55,942 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Bitvector.epf [2021-12-21 20:39:55,972 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-21 20:39:55,972 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-21 20:39:55,973 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-21 20:39:55,973 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-21 20:39:55,974 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-21 20:39:55,974 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-21 20:39:55,975 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-21 20:39:55,976 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-21 20:39:55,976 INFO L138 SettingsManager]: * Use SBE=true [2021-12-21 20:39:55,976 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-21 20:39:55,977 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-21 20:39:55,977 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-21 20:39:55,977 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-21 20:39:55,977 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-12-21 20:39:55,978 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-12-21 20:39:55,978 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-12-21 20:39:55,978 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-21 20:39:55,978 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-21 20:39:55,979 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-12-21 20:39:55,979 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-12-21 20:39:55,979 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-21 20:39:55,979 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-21 20:39:55,979 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-21 20:39:55,980 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-21 20:39:55,980 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-21 20:39:55,980 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-21 20:39:55,980 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-21 20:39:55,980 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-12-21 20:39:55,980 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-12-21 20:39:55,981 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-21 20:39:55,981 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-12-21 20:39:55,981 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a7d47fd1cb183de21869a58eb9084ebc9903847b2928a08049ba239b8cab5299 [2021-12-21 20:39:56,309 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-21 20:39:56,328 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-21 20:39:56,330 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-21 20:39:56,331 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-21 20:39:56,332 INFO L275 PluginConnector]: CDTParser initialized [2021-12-21 20:39:56,333 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/busybox-1.22.0/du-1.i [2021-12-21 20:39:56,397 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2179fb2ba/a7efac5a15634cdd9bf974ed6650dfc5/FLAGe252e6127 [2021-12-21 20:39:57,005 INFO L306 CDTParser]: Found 1 translation units. [2021-12-21 20:39:57,006 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/busybox-1.22.0/du-1.i [2021-12-21 20:39:57,036 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2179fb2ba/a7efac5a15634cdd9bf974ed6650dfc5/FLAGe252e6127 [2021-12-21 20:39:57,198 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2179fb2ba/a7efac5a15634cdd9bf974ed6650dfc5 [2021-12-21 20:39:57,200 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-21 20:39:57,202 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-21 20:39:57,204 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-21 20:39:57,204 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-21 20:39:57,207 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-21 20:39:57,208 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 08:39:57" (1/1) ... [2021-12-21 20:39:57,209 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38425941 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 08:39:57, skipping insertion in model container [2021-12-21 20:39:57,209 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 08:39:57" (1/1) ... [2021-12-21 20:39:57,215 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-21 20:39:57,299 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-21 20:39:58,274 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg [2021-12-21 20:39:58,274 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1119a31c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 08:39:58, skipping insertion in model container [2021-12-21 20:39:58,275 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-21 20:39:58,276 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-12-21 20:39:58,277 INFO L158 Benchmark]: Toolchain (without parser) took 1074.31ms. Allocated memory is still 65.0MB. Free memory was 39.8MB in the beginning and 30.0MB in the end (delta: 9.8MB). Peak memory consumption was 12.0MB. Max. memory is 16.1GB. [2021-12-21 20:39:58,279 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 65.0MB. Free memory was 46.1MB in the beginning and 46.0MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-21 20:39:58,280 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1071.43ms. Allocated memory is still 65.0MB. Free memory was 39.5MB in the beginning and 30.2MB in the end (delta: 9.3MB). Peak memory consumption was 9.9MB. Max. memory is 16.1GB. [2021-12-21 20:39:58,281 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 65.0MB. Free memory was 46.1MB in the beginning and 46.0MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1071.43ms. Allocated memory is still 65.0MB. Free memory was 39.5MB in the beginning and 30.2MB in the end (delta: 9.3MB). Peak memory consumption was 9.9MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2643]: Unsupported Syntax encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg 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