./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 574ddb4e 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 19eb8d8de30961dea99f1a23c58cfcdeda6ffbc5b9044422b635711938f56b03 --- Real Ultimate output --- This is Ultimate 0.2.2-?-574ddb4 [2023-02-18 22:33:04,597 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-02-18 22:33:04,598 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-02-18 22:33:04,623 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-02-18 22:33:04,623 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-02-18 22:33:04,625 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-02-18 22:33:04,626 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-02-18 22:33:04,628 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-02-18 22:33:04,629 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-02-18 22:33:04,632 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-02-18 22:33:04,633 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-02-18 22:33:04,635 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-02-18 22:33:04,635 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-02-18 22:33:04,637 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-02-18 22:33:04,638 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-02-18 22:33:04,639 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-02-18 22:33:04,639 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-02-18 22:33:04,640 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-02-18 22:33:04,641 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-02-18 22:33:04,645 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-02-18 22:33:04,645 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-02-18 22:33:04,646 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-02-18 22:33:04,647 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-02-18 22:33:04,647 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-02-18 22:33:04,653 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-02-18 22:33:04,653 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-02-18 22:33:04,654 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-02-18 22:33:04,654 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-02-18 22:33:04,655 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-02-18 22:33:04,655 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-02-18 22:33:04,656 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-02-18 22:33:04,656 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-02-18 22:33:04,657 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-02-18 22:33:04,658 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-02-18 22:33:04,658 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-02-18 22:33:04,658 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-02-18 22:33:04,659 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-02-18 22:33:04,659 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-02-18 22:33:04,659 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-02-18 22:33:04,660 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-02-18 22:33:04,660 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-02-18 22:33:04,661 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Default.epf [2023-02-18 22:33:04,686 INFO L113 SettingsManager]: Loading preferences was successful [2023-02-18 22:33:04,687 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-02-18 22:33:04,687 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-02-18 22:33:04,687 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-02-18 22:33:04,688 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-02-18 22:33:04,688 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-02-18 22:33:04,688 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-02-18 22:33:04,688 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-02-18 22:33:04,688 INFO L138 SettingsManager]: * Use SBE=true [2023-02-18 22:33:04,688 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-02-18 22:33:04,689 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-02-18 22:33:04,689 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-02-18 22:33:04,689 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-02-18 22:33:04,689 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-02-18 22:33:04,689 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2023-02-18 22:33:04,689 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-02-18 22:33:04,690 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-02-18 22:33:04,690 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-02-18 22:33:04,690 INFO L138 SettingsManager]: * Use constant arrays=true [2023-02-18 22:33:04,690 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-02-18 22:33:04,690 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-02-18 22:33:04,690 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-02-18 22:33:04,690 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-02-18 22:33:04,690 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-02-18 22:33:04,690 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-02-18 22:33:04,690 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-02-18 22:33:04,690 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-02-18 22:33:04,691 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-02-18 22:33:04,691 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-02-18 22:33:04,691 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-02-18 22:33:04,691 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-02-18 22:33:04,691 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 19eb8d8de30961dea99f1a23c58cfcdeda6ffbc5b9044422b635711938f56b03 [2023-02-18 22:33:04,849 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-02-18 22:33:04,861 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-02-18 22:33:04,863 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-02-18 22:33:04,864 INFO L271 PluginConnector]: Initializing CDTParser... [2023-02-18 22:33:04,864 INFO L275 PluginConnector]: CDTParser initialized [2023-02-18 22:33:04,865 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/busybox-1.22.0/rm-1.i [2023-02-18 22:33:05,796 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-02-18 22:33:06,077 INFO L351 CDTParser]: Found 1 translation units. [2023-02-18 22:33:06,077 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/busybox-1.22.0/rm-1.i [2023-02-18 22:33:06,099 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/613e4a3d2/039a974fe7094728850f656225f1b234/FLAG8a8beafa6 [2023-02-18 22:33:06,110 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/613e4a3d2/039a974fe7094728850f656225f1b234 [2023-02-18 22:33:06,111 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-02-18 22:33:06,113 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-02-18 22:33:06,115 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-02-18 22:33:06,115 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-02-18 22:33:06,117 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-02-18 22:33:06,117 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.02 10:33:06" (1/1) ... [2023-02-18 22:33:06,118 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a49fd25 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 10:33:06, skipping insertion in model container [2023-02-18 22:33:06,118 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.02 10:33:06" (1/1) ... [2023-02-18 22:33:06,122 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-02-18 22:33:06,179 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-02-18 22:33:06,969 WARN L623 FunctionHandler]: Unknown extern function strrchr [2023-02-18 22:33:06,982 WARN L623 FunctionHandler]: Unknown extern function strerror [2023-02-18 22:33:06,986 WARN L623 FunctionHandler]: Unknown extern function strtoul [2023-02-18 22:33:06,987 WARN L623 FunctionHandler]: Unknown extern function vasprintf [2023-02-18 22:33:06,994 WARN L623 FunctionHandler]: Unknown extern function syslog [2023-02-18 22:33:06,997 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: xasprintf [2023-02-18 22:33:06,997 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@40a6bcb5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 10:33:06, skipping insertion in model container [2023-02-18 22:33:06,998 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-02-18 22:33:06,998 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2023-02-18 22:33:06,999 INFO L158 Benchmark]: Toolchain (without parser) took 885.73ms. Allocated memory was 127.9MB in the beginning and 161.5MB in the end (delta: 33.6MB). Free memory was 81.7MB in the beginning and 121.3MB in the end (delta: -39.6MB). Peak memory consumption was 32.8MB. Max. memory is 16.1GB. [2023-02-18 22:33:06,999 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 100.7MB. Free memory is still 50.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-02-18 22:33:07,000 INFO L158 Benchmark]: CACSL2BoogieTranslator took 883.26ms. Allocated memory was 127.9MB in the beginning and 161.5MB in the end (delta: 33.6MB). Free memory was 81.7MB in the beginning and 121.3MB in the end (delta: -39.6MB). Peak memory consumption was 32.8MB. Max. memory is 16.1GB. [2023-02-18 22:33:07,001 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 100.7MB. Free memory is still 50.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 883.26ms. Allocated memory was 127.9MB in the beginning and 161.5MB in the end (delta: 33.6MB). Free memory was 81.7MB in the beginning and 121.3MB in the end (delta: -39.6MB). Peak memory consumption was 32.8MB. 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... --- 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/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 19eb8d8de30961dea99f1a23c58cfcdeda6ffbc5b9044422b635711938f56b03 --- Real Ultimate output --- This is Ultimate 0.2.2-?-574ddb4 [2023-02-18 22:33:08,514 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-02-18 22:33:08,516 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-02-18 22:33:08,545 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-02-18 22:33:08,547 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-02-18 22:33:08,553 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-02-18 22:33:08,553 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-02-18 22:33:08,555 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-02-18 22:33:08,560 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-02-18 22:33:08,563 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-02-18 22:33:08,564 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-02-18 22:33:08,566 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-02-18 22:33:08,566 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-02-18 22:33:08,567 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-02-18 22:33:08,568 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-02-18 22:33:08,569 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-02-18 22:33:08,570 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-02-18 22:33:08,571 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-02-18 22:33:08,572 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-02-18 22:33:08,575 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-02-18 22:33:08,576 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-02-18 22:33:08,577 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-02-18 22:33:08,577 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-02-18 22:33:08,578 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-02-18 22:33:08,583 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-02-18 22:33:08,583 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-02-18 22:33:08,583 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-02-18 22:33:08,584 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-02-18 22:33:08,585 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-02-18 22:33:08,585 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-02-18 22:33:08,585 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-02-18 22:33:08,590 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-02-18 22:33:08,591 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-02-18 22:33:08,591 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-02-18 22:33:08,592 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-02-18 22:33:08,592 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-02-18 22:33:08,593 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-02-18 22:33:08,593 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-02-18 22:33:08,593 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-02-18 22:33:08,594 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-02-18 22:33:08,594 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-02-18 22:33:08,595 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Bitvector.epf [2023-02-18 22:33:08,620 INFO L113 SettingsManager]: Loading preferences was successful [2023-02-18 22:33:08,620 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-02-18 22:33:08,621 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-02-18 22:33:08,621 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-02-18 22:33:08,622 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-02-18 22:33:08,622 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-02-18 22:33:08,622 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-02-18 22:33:08,622 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-02-18 22:33:08,622 INFO L138 SettingsManager]: * Use SBE=true [2023-02-18 22:33:08,623 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-02-18 22:33:08,623 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-02-18 22:33:08,623 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-02-18 22:33:08,623 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-02-18 22:33:08,624 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-02-18 22:33:08,624 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2023-02-18 22:33:08,624 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-02-18 22:33:08,624 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-02-18 22:33:08,624 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-02-18 22:33:08,624 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2023-02-18 22:33:08,624 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-02-18 22:33:08,625 INFO L138 SettingsManager]: * Use constant arrays=true [2023-02-18 22:33:08,625 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-02-18 22:33:08,625 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-02-18 22:33:08,625 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-02-18 22:33:08,625 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-02-18 22:33:08,625 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-02-18 22:33:08,634 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-02-18 22:33:08,634 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2023-02-18 22:33:08,634 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-02-18 22:33:08,634 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-02-18 22:33:08,634 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-02-18 22:33:08,634 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-02-18 22:33:08,635 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2023-02-18 22:33:08,635 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-02-18 22:33:08,635 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 19eb8d8de30961dea99f1a23c58cfcdeda6ffbc5b9044422b635711938f56b03 [2023-02-18 22:33:08,863 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-02-18 22:33:08,877 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-02-18 22:33:08,879 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-02-18 22:33:08,880 INFO L271 PluginConnector]: Initializing CDTParser... [2023-02-18 22:33:08,880 INFO L275 PluginConnector]: CDTParser initialized [2023-02-18 22:33:08,881 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/busybox-1.22.0/rm-1.i [2023-02-18 22:33:09,800 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-02-18 22:33:10,114 INFO L351 CDTParser]: Found 1 translation units. [2023-02-18 22:33:10,115 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/busybox-1.22.0/rm-1.i [2023-02-18 22:33:10,141 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5d8fa4dbd/5a58142bffd94d11aafa15cdec2e96dd/FLAGd57bd9eb8 [2023-02-18 22:33:10,165 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5d8fa4dbd/5a58142bffd94d11aafa15cdec2e96dd [2023-02-18 22:33:10,166 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-02-18 22:33:10,167 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-02-18 22:33:10,170 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-02-18 22:33:10,170 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-02-18 22:33:10,174 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-02-18 22:33:10,175 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.02 10:33:10" (1/1) ... [2023-02-18 22:33:10,175 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1715ab18 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 10:33:10, skipping insertion in model container [2023-02-18 22:33:10,176 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.02 10:33:10" (1/1) ... [2023-02-18 22:33:10,180 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-02-18 22:33:10,231 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-02-18 22:33:11,106 WARN L623 FunctionHandler]: Unknown extern function strrchr [2023-02-18 22:33:11,116 WARN L623 FunctionHandler]: Unknown extern function strerror [2023-02-18 22:33:11,117 WARN L623 FunctionHandler]: Unknown extern function strtoul [2023-02-18 22:33:11,120 WARN L623 FunctionHandler]: Unknown extern function vasprintf [2023-02-18 22:33:11,133 WARN L623 FunctionHandler]: Unknown extern function syslog [2023-02-18 22:33:11,138 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: xasprintf [2023-02-18 22:33:11,139 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3c46beea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.02 10:33:11, skipping insertion in model container [2023-02-18 22:33:11,139 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-02-18 22:33:11,140 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2023-02-18 22:33:11,141 INFO L158 Benchmark]: Toolchain (without parser) took 972.96ms. Allocated memory is still 73.4MB. Free memory was 52.5MB in the beginning and 40.7MB in the end (delta: 11.8MB). Peak memory consumption was 28.5MB. Max. memory is 16.1GB. [2023-02-18 22:33:11,142 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 60.8MB. Free memory was 38.3MB in the beginning and 38.2MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-02-18 22:33:11,142 INFO L158 Benchmark]: CACSL2BoogieTranslator took 970.07ms. Allocated memory is still 73.4MB. Free memory was 52.2MB in the beginning and 40.7MB in the end (delta: 11.5MB). Peak memory consumption was 28.5MB. Max. memory is 16.1GB. [2023-02-18 22:33:11,143 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 60.8MB. Free memory was 38.3MB in the beginning and 38.2MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 970.07ms. Allocated memory is still 73.4MB. Free memory was 52.2MB in the beginning and 40.7MB in the end (delta: 11.5MB). Peak memory consumption was 28.5MB. 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... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN