./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/busybox-1.22.0/rm-1.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 5fbdf5bf 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/rm-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 73f7d8dd05e7d479e93fa429fdfb3e46150c6d0c ............................................................................................................................... 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/rm-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 73f7d8dd05e7d479e93fa429fdfb3e46150c6d0c .................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.2.1-wip.dd.seqcomp-5fbdf5b [2021-08-30 19:39:44,473 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-30 19:39:44,476 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-30 19:39:44,514 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-30 19:39:44,514 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-30 19:39:44,518 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-30 19:39:44,519 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-30 19:39:44,524 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-30 19:39:44,527 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-30 19:39:44,531 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-30 19:39:44,532 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-30 19:39:44,536 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-30 19:39:44,536 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-30 19:39:44,538 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-30 19:39:44,539 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-30 19:39:44,542 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-30 19:39:44,543 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-30 19:39:44,546 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-30 19:39:44,549 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-30 19:39:44,554 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-30 19:39:44,556 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-30 19:39:44,557 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-30 19:39:44,558 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-30 19:39:44,559 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-30 19:39:44,570 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-30 19:39:44,570 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-30 19:39:44,571 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-30 19:39:44,572 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-30 19:39:44,573 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-30 19:39:44,574 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-30 19:39:44,574 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-30 19:39:44,575 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-30 19:39:44,576 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-30 19:39:44,577 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-30 19:39:44,578 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-30 19:39:44,578 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-30 19:39:44,579 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-30 19:39:44,579 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-30 19:39:44,579 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-30 19:39:44,581 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-30 19:39:44,581 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-30 19:39:44,582 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Default.epf [2021-08-30 19:39:44,619 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-30 19:39:44,619 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-30 19:39:44,620 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-30 19:39:44,620 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-30 19:39:44,622 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-30 19:39:44,622 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-30 19:39:44,623 INFO L138 SettingsManager]: * Use SBE=true [2021-08-30 19:39:44,623 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-30 19:39:44,623 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-08-30 19:39:44,624 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-30 19:39:44,624 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-30 19:39:44,625 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-08-30 19:39:44,625 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-08-30 19:39:44,625 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-08-30 19:39:44,625 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-30 19:39:44,626 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-08-30 19:39:44,626 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-30 19:39:44,626 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-30 19:39:44,626 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-30 19:39:44,626 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-30 19:39:44,627 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-30 19:39:44,627 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-30 19:39:44,627 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-30 19:39:44,627 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-30 19:39:44,628 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-30 19:39:44,628 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-30 19:39:44,628 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 73f7d8dd05e7d479e93fa429fdfb3e46150c6d0c [2021-08-30 19:39:44,942 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-30 19:39:44,965 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-30 19:39:44,968 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-30 19:39:44,969 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-30 19:39:44,969 INFO L275 PluginConnector]: CDTParser initialized [2021-08-30 19:39:44,970 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/busybox-1.22.0/rm-1.i [2021-08-30 19:39:45,036 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a337ea141/b0668dfe201b47ec9370cbf7ef6e7ef3/FLAG76650998a [2021-08-30 19:39:45,644 INFO L306 CDTParser]: Found 1 translation units. [2021-08-30 19:39:45,644 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/busybox-1.22.0/rm-1.i [2021-08-30 19:39:45,673 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a337ea141/b0668dfe201b47ec9370cbf7ef6e7ef3/FLAG76650998a [2021-08-30 19:39:45,872 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a337ea141/b0668dfe201b47ec9370cbf7ef6e7ef3 [2021-08-30 19:39:45,875 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-30 19:39:45,877 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-08-30 19:39:45,890 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-30 19:39:45,890 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-30 19:39:45,894 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-30 19:39:45,894 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 07:39:45" (1/1) ... [2021-08-30 19:39:45,895 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3189ae3c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 07:39:45, skipping insertion in model container [2021-08-30 19:39:45,895 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 07:39:45" (1/1) ... [2021-08-30 19:39:45,901 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-30 19:39:45,972 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-30 19:39:47,066 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: xasprintf [2021-08-30 19:39:47,067 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@4f97698f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 07:39:47, skipping insertion in model container [2021-08-30 19:39:47,067 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-30 19:39:47,067 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2021-08-30 19:39:47,069 INFO L158 Benchmark]: Toolchain (without parser) took 1191.70ms. Allocated memory was 54.5MB in the beginning and 69.2MB in the end (delta: 14.7MB). Free memory was 26.3MB in the beginning and 36.1MB in the end (delta: -9.8MB). Peak memory consumption was 5.7MB. Max. memory is 16.1GB. [2021-08-30 19:39:47,070 INFO L158 Benchmark]: CDTParser took 0.41ms. Allocated memory is still 54.5MB. Free memory was 36.2MB in the beginning and 36.2MB in the end (delta: 37.5kB). There was no memory consumed. Max. memory is 16.1GB. [2021-08-30 19:39:47,071 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1177.70ms. Allocated memory was 54.5MB in the beginning and 69.2MB in the end (delta: 14.7MB). Free memory was 37.9MB in the beginning and 36.1MB in the end (delta: 1.8MB). Peak memory consumption was 15.5MB. Max. memory is 16.1GB. [2021-08-30 19:39:47,072 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.41ms. Allocated memory is still 54.5MB. Free memory was 36.2MB in the beginning and 36.2MB in the end (delta: 37.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1177.70ms. Allocated memory was 54.5MB in the beginning and 69.2MB in the end (delta: 14.7MB). Free memory was 37.9MB in the beginning and 36.1MB in the end (delta: 1.8MB). Peak memory consumption was 15.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2721]: Unsupported Syntax encountered a call to a var args function, var args are not supported at the moment: xasprintf RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.1-wip.dd.seqcomp-5fbdf5b [2021-08-30 19:39:48,715 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-30 19:39:48,720 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-30 19:39:48,762 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-30 19:39:48,762 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-30 19:39:48,766 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-30 19:39:48,767 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-30 19:39:48,773 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-30 19:39:48,775 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-30 19:39:48,779 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-30 19:39:48,780 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-30 19:39:48,784 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-30 19:39:48,785 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-30 19:39:48,787 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-30 19:39:48,789 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-30 19:39:48,792 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-30 19:39:48,793 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-30 19:39:48,794 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-30 19:39:48,796 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-30 19:39:48,799 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-30 19:39:48,802 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-30 19:39:48,803 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-30 19:39:48,805 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-30 19:39:48,806 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-30 19:39:48,810 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-30 19:39:48,811 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-30 19:39:48,811 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-30 19:39:48,813 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-30 19:39:48,813 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-30 19:39:48,814 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-30 19:39:48,814 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-30 19:39:48,815 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-30 19:39:48,816 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-30 19:39:48,817 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-30 19:39:48,818 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-30 19:39:48,818 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-30 19:39:48,819 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-30 19:39:48,819 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-30 19:39:48,819 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-30 19:39:48,821 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-30 19:39:48,821 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-30 19:39:48,822 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Bitvector.epf [2021-08-30 19:39:48,856 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-30 19:39:48,856 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-30 19:39:48,857 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-30 19:39:48,857 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-30 19:39:48,859 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-30 19:39:48,859 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-30 19:39:48,859 INFO L138 SettingsManager]: * Use SBE=true [2021-08-30 19:39:48,859 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-30 19:39:48,860 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-08-30 19:39:48,860 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-30 19:39:48,860 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-30 19:39:48,861 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-08-30 19:39:48,861 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-08-30 19:39:48,861 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-08-30 19:39:48,861 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-30 19:39:48,861 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-08-30 19:39:48,862 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-08-30 19:39:48,862 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-08-30 19:39:48,862 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-30 19:39:48,862 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-30 19:39:48,862 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-30 19:39:48,863 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-30 19:39:48,871 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-30 19:39:48,871 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-30 19:39:48,871 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-30 19:39:48,871 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-08-30 19:39:48,871 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-08-30 19:39:48,872 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-30 19:39:48,872 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-08-30 19:39:48,872 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 73f7d8dd05e7d479e93fa429fdfb3e46150c6d0c [2021-08-30 19:39:49,157 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-30 19:39:49,181 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-30 19:39:49,183 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-30 19:39:49,184 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-30 19:39:49,185 INFO L275 PluginConnector]: CDTParser initialized [2021-08-30 19:39:49,186 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/busybox-1.22.0/rm-1.i [2021-08-30 19:39:49,246 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/db46b416c/f40ea74b7d3945e587fbe90c8b4b3115/FLAG7c1d3a8dc [2021-08-30 19:39:49,927 INFO L306 CDTParser]: Found 1 translation units. [2021-08-30 19:39:49,928 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/busybox-1.22.0/rm-1.i [2021-08-30 19:39:49,958 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/db46b416c/f40ea74b7d3945e587fbe90c8b4b3115/FLAG7c1d3a8dc [2021-08-30 19:39:50,228 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/db46b416c/f40ea74b7d3945e587fbe90c8b4b3115 [2021-08-30 19:39:50,230 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-30 19:39:50,231 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-08-30 19:39:50,232 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-30 19:39:50,232 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-30 19:39:50,238 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-30 19:39:50,239 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 07:39:50" (1/1) ... [2021-08-30 19:39:50,240 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f01cf7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 07:39:50, skipping insertion in model container [2021-08-30 19:39:50,241 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 07:39:50" (1/1) ... [2021-08-30 19:39:50,246 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-30 19:39:50,323 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-30 19:39:51,226 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: xasprintf [2021-08-30 19:39:51,227 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@583e2bb0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 07:39:51, skipping insertion in model container [2021-08-30 19:39:51,227 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-30 19:39:51,228 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2021-08-30 19:39:51,230 INFO L158 Benchmark]: Toolchain (without parser) took 997.95ms. Allocated memory was 56.6MB in the beginning and 75.5MB in the end (delta: 18.9MB). Free memory was 29.0MB in the beginning and 39.9MB in the end (delta: -10.8MB). Peak memory consumption was 7.9MB. Max. memory is 16.1GB. [2021-08-30 19:39:51,231 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 56.6MB. Free memory was 38.5MB in the beginning and 38.4MB in the end (delta: 44.5kB). There was no memory consumed. Max. memory is 16.1GB. [2021-08-30 19:39:51,233 INFO L158 Benchmark]: CACSL2BoogieTranslator took 995.30ms. Allocated memory was 56.6MB in the beginning and 75.5MB in the end (delta: 18.9MB). Free memory was 28.8MB in the beginning and 39.9MB in the end (delta: -11.1MB). Peak memory consumption was 7.9MB. Max. memory is 16.1GB. [2021-08-30 19:39:51,235 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 56.6MB. Free memory was 38.5MB in the beginning and 38.4MB in the end (delta: 44.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 995.30ms. Allocated memory was 56.6MB in the beginning and 75.5MB in the end (delta: 18.9MB). Free memory was 28.8MB in the beginning and 39.9MB in the end (delta: -11.1MB). Peak memory consumption was 7.9MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2721]: Unsupported Syntax encountered a call to a var args function, var args are not supported at the moment: xasprintf RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...