./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/busybox-1.22.0/tac-1.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 20ed64ec 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/tac-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 67b95fb0884527cff4cd990f5c76069c4524d11d ............................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis 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/tac-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 67b95fb0884527cff4cd990f5c76069c4524d11d .................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.2.1-dev-20ed64e [2021-08-27 08:19:54,901 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-27 08:19:54,904 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-27 08:19:54,952 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-27 08:19:54,953 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-27 08:19:54,956 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-27 08:19:54,957 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-27 08:19:54,962 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-27 08:19:54,964 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-27 08:19:54,968 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-27 08:19:54,969 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-27 08:19:54,973 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-27 08:19:54,973 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-27 08:19:54,976 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-27 08:19:54,977 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-27 08:19:54,980 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-27 08:19:54,981 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-27 08:19:54,981 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-27 08:19:54,984 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-27 08:19:54,989 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-27 08:19:54,990 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-27 08:19:54,991 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-27 08:19:54,993 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-27 08:19:54,993 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-27 08:19:54,999 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-27 08:19:54,999 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-27 08:19:54,999 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-27 08:19:55,001 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-27 08:19:55,001 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-27 08:19:55,002 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-27 08:19:55,002 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-27 08:19:55,003 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-27 08:19:55,004 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-27 08:19:55,005 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-27 08:19:55,006 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-27 08:19:55,006 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-27 08:19:55,007 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-27 08:19:55,007 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-27 08:19:55,007 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-27 08:19:55,008 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-27 08:19:55,009 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-27 08:19:55,010 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Default.epf [2021-08-27 08:19:55,045 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-27 08:19:55,046 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-27 08:19:55,046 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-27 08:19:55,047 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-27 08:19:55,048 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-27 08:19:55,048 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-27 08:19:55,048 INFO L138 SettingsManager]: * Use SBE=true [2021-08-27 08:19:55,049 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-27 08:19:55,049 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-08-27 08:19:55,049 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-27 08:19:55,050 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-27 08:19:55,050 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-08-27 08:19:55,050 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-08-27 08:19:55,050 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-08-27 08:19:55,050 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-27 08:19:55,050 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-08-27 08:19:55,051 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-27 08:19:55,051 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-27 08:19:55,051 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-27 08:19:55,051 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-27 08:19:55,051 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-27 08:19:55,051 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-27 08:19:55,052 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-27 08:19:55,052 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-27 08:19:55,052 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-27 08:19:55,052 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-27 08:19:55,052 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 67b95fb0884527cff4cd990f5c76069c4524d11d [2021-08-27 08:19:55,352 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-27 08:19:55,377 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-27 08:19:55,379 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-27 08:19:55,380 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-27 08:19:55,381 INFO L275 PluginConnector]: CDTParser initialized [2021-08-27 08:19:55,382 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/busybox-1.22.0/tac-1.i [2021-08-27 08:19:55,442 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9df948856/d41519362d3c4ba5acbfdecbd82d7671/FLAG2ac5338de [2021-08-27 08:19:56,120 INFO L306 CDTParser]: Found 1 translation units. [2021-08-27 08:19:56,122 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/busybox-1.22.0/tac-1.i [2021-08-27 08:19:56,151 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9df948856/d41519362d3c4ba5acbfdecbd82d7671/FLAG2ac5338de [2021-08-27 08:19:56,273 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9df948856/d41519362d3c4ba5acbfdecbd82d7671 [2021-08-27 08:19:56,275 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-27 08:19:56,277 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-08-27 08:19:56,279 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-27 08:19:56,279 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-27 08:19:56,282 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-27 08:19:56,283 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.08 08:19:56" (1/1) ... [2021-08-27 08:19:56,283 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60f232ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 08:19:56, skipping insertion in model container [2021-08-27 08:19:56,284 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.08 08:19:56" (1/1) ... [2021-08-27 08:19:56,300 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-27 08:19:56,371 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-27 08:19:57,147 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg [2021-08-27 08:19:57,148 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5ad0b367 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 08:19:57, skipping insertion in model container [2021-08-27 08:19:57,148 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-27 08:19:57,149 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2021-08-27 08:19:57,151 INFO L168 Benchmark]: Toolchain (without parser) took 872.97 ms. Allocated memory was 54.5 MB in the beginning and 67.1 MB in the end (delta: 12.6 MB). Free memory was 26.6 MB in the beginning and 37.7 MB in the end (delta: -11.1 MB). Peak memory consumption was 4.5 MB. Max. memory is 16.1 GB. [2021-08-27 08:19:57,151 INFO L168 Benchmark]: CDTParser took 0.41 ms. Allocated memory is still 54.5 MB. Free memory was 36.9 MB in the beginning and 36.8 MB in the end (delta: 36.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-08-27 08:19:57,152 INFO L168 Benchmark]: CACSL2BoogieTranslator took 869.97 ms. Allocated memory was 54.5 MB in the beginning and 67.1 MB in the end (delta: 12.6 MB). Free memory was 26.4 MB in the beginning and 37.9 MB in the end (delta: -11.5 MB). Peak memory consumption was 4.5 MB. Max. memory is 16.1 GB. [2021-08-27 08:19:57,155 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.41 ms. Allocated memory is still 54.5 MB. Free memory was 36.9 MB in the beginning and 36.8 MB in the end (delta: 36.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 869.97 ms. Allocated memory was 54.5 MB in the beginning and 67.1 MB in the end (delta: 12.6 MB). Free memory was 26.4 MB in the beginning and 37.9 MB in the end (delta: -11.5 MB). Peak memory consumption was 4.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2259]: 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... ### Bit-precise run ### This is Ultimate 0.2.1-dev-20ed64e [2021-08-27 08:19:58,787 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-27 08:19:58,790 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-27 08:19:58,830 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-27 08:19:58,830 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-27 08:19:58,834 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-27 08:19:58,835 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-27 08:19:58,840 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-27 08:19:58,846 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-27 08:19:58,850 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-27 08:19:58,851 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-27 08:19:58,854 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-27 08:19:58,855 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-27 08:19:58,857 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-27 08:19:58,858 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-27 08:19:58,862 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-27 08:19:58,863 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-27 08:19:58,864 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-27 08:19:58,866 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-27 08:19:58,869 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-27 08:19:58,870 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-27 08:19:58,871 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-27 08:19:58,872 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-27 08:19:58,873 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-27 08:19:58,875 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-27 08:19:58,875 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-27 08:19:58,875 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-27 08:19:58,876 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-27 08:19:58,876 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-27 08:19:58,877 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-27 08:19:58,877 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-27 08:19:58,878 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-27 08:19:58,878 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-27 08:19:58,879 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-27 08:19:58,880 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-27 08:19:58,880 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-27 08:19:58,881 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-27 08:19:58,881 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-27 08:19:58,881 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-27 08:19:58,882 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-27 08:19:58,883 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-27 08:19:58,883 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Bitvector.epf [2021-08-27 08:19:58,901 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-27 08:19:58,901 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-27 08:19:58,902 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-27 08:19:58,902 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-27 08:19:58,903 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-27 08:19:58,903 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-27 08:19:58,903 INFO L138 SettingsManager]: * Use SBE=true [2021-08-27 08:19:58,903 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-27 08:19:58,904 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-08-27 08:19:58,904 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-27 08:19:58,904 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-27 08:19:58,904 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-08-27 08:19:58,904 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-08-27 08:19:58,904 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-08-27 08:19:58,905 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-27 08:19:58,905 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-08-27 08:19:58,905 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-08-27 08:19:58,905 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-08-27 08:19:58,905 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-27 08:19:58,906 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-27 08:19:58,906 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-27 08:19:58,906 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-27 08:19:58,906 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-27 08:19:58,906 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-27 08:19:58,906 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-27 08:19:58,907 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-08-27 08:19:58,907 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-08-27 08:19:58,907 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-27 08:19:58,907 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-08-27 08:19:58,907 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 67b95fb0884527cff4cd990f5c76069c4524d11d [2021-08-27 08:19:59,202 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-27 08:19:59,233 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-27 08:19:59,235 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-27 08:19:59,237 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-27 08:19:59,239 INFO L275 PluginConnector]: CDTParser initialized [2021-08-27 08:19:59,240 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/busybox-1.22.0/tac-1.i [2021-08-27 08:19:59,297 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/82ea1269b/30c16520e2b4449aafc2852d09a8bc6b/FLAG124cdfc66 [2021-08-27 08:19:59,964 INFO L306 CDTParser]: Found 1 translation units. [2021-08-27 08:19:59,965 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/busybox-1.22.0/tac-1.i [2021-08-27 08:19:59,994 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/82ea1269b/30c16520e2b4449aafc2852d09a8bc6b/FLAG124cdfc66 [2021-08-27 08:20:00,291 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/82ea1269b/30c16520e2b4449aafc2852d09a8bc6b [2021-08-27 08:20:00,293 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-27 08:20:00,295 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-08-27 08:20:00,296 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-27 08:20:00,296 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-27 08:20:00,299 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-27 08:20:00,299 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.08 08:20:00" (1/1) ... [2021-08-27 08:20:00,300 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66161b87 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 08:20:00, skipping insertion in model container [2021-08-27 08:20:00,301 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.08 08:20:00" (1/1) ... [2021-08-27 08:20:00,311 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-27 08:20:00,395 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-27 08:20:01,204 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg [2021-08-27 08:20:01,206 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6a602c20 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 08:20:01, skipping insertion in model container [2021-08-27 08:20:01,206 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-27 08:20:01,206 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2021-08-27 08:20:01,210 INFO L168 Benchmark]: Toolchain (without parser) took 912.39 ms. Allocated memory was 50.3 MB in the beginning and 62.9 MB in the end (delta: 12.6 MB). Free memory was 21.4 MB in the beginning and 31.3 MB in the end (delta: -9.9 MB). Peak memory consumption was 9.5 MB. Max. memory is 16.1 GB. [2021-08-27 08:20:01,211 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 50.3 MB. Free memory was 31.9 MB in the beginning and 31.8 MB in the end (delta: 38.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-08-27 08:20:01,213 INFO L168 Benchmark]: CACSL2BoogieTranslator took 910.21 ms. Allocated memory was 50.3 MB in the beginning and 62.9 MB in the end (delta: 12.6 MB). Free memory was 21.2 MB in the beginning and 31.3 MB in the end (delta: -10.1 MB). Peak memory consumption was 9.5 MB. Max. memory is 16.1 GB. [2021-08-27 08:20:01,214 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 50.3 MB. Free memory was 31.9 MB in the beginning and 31.8 MB in the end (delta: 38.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 910.21 ms. Allocated memory was 50.3 MB in the beginning and 62.9 MB in the end (delta: 12.6 MB). Free memory was 21.2 MB in the beginning and 31.3 MB in the end (delta: -10.1 MB). Peak memory consumption was 9.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2259]: 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...