./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 e8d55036 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-?-e8d5503-m [2023-02-15 22:35:47,510 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-02-15 22:35:47,512 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-02-15 22:35:47,544 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-02-15 22:35:47,544 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-02-15 22:35:47,545 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-02-15 22:35:47,547 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-02-15 22:35:47,549 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-02-15 22:35:47,552 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-02-15 22:35:47,556 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-02-15 22:35:47,558 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-02-15 22:35:47,560 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-02-15 22:35:47,560 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-02-15 22:35:47,562 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-02-15 22:35:47,564 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-02-15 22:35:47,566 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-02-15 22:35:47,567 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-02-15 22:35:47,569 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-02-15 22:35:47,570 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-02-15 22:35:47,575 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-02-15 22:35:47,577 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-02-15 22:35:47,578 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-02-15 22:35:47,579 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-02-15 22:35:47,580 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-02-15 22:35:47,588 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-02-15 22:35:47,588 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-02-15 22:35:47,589 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-02-15 22:35:47,590 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-02-15 22:35:47,591 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-02-15 22:35:47,592 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-02-15 22:35:47,593 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-02-15 22:35:47,593 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-02-15 22:35:47,595 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-02-15 22:35:47,595 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-02-15 22:35:47,597 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-02-15 22:35:47,597 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-02-15 22:35:47,598 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-02-15 22:35:47,598 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-02-15 22:35:47,598 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-02-15 22:35:47,600 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-02-15 22:35:47,600 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-02-15 22:35:47,601 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Default.epf [2023-02-15 22:35:47,638 INFO L113 SettingsManager]: Loading preferences was successful [2023-02-15 22:35:47,638 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-02-15 22:35:47,639 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-02-15 22:35:47,639 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-02-15 22:35:47,640 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-02-15 22:35:47,640 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-02-15 22:35:47,641 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-02-15 22:35:47,641 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-02-15 22:35:47,641 INFO L138 SettingsManager]: * Use SBE=true [2023-02-15 22:35:47,642 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-02-15 22:35:47,643 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-02-15 22:35:47,643 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-02-15 22:35:47,643 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-02-15 22:35:47,643 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-02-15 22:35:47,643 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2023-02-15 22:35:47,644 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-02-15 22:35:47,644 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-02-15 22:35:47,644 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-02-15 22:35:47,644 INFO L138 SettingsManager]: * Use constant arrays=true [2023-02-15 22:35:47,645 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-02-15 22:35:47,645 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-02-15 22:35:47,645 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-02-15 22:35:47,645 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-02-15 22:35:47,645 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-02-15 22:35:47,646 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-02-15 22:35:47,646 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-02-15 22:35:47,646 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-02-15 22:35:47,646 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-02-15 22:35:47,647 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-02-15 22:35:47,647 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-02-15 22:35:47,647 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-02-15 22:35:47,648 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 19eb8d8de30961dea99f1a23c58cfcdeda6ffbc5b9044422b635711938f56b03 [2023-02-15 22:35:47,914 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-02-15 22:35:47,940 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-02-15 22:35:47,944 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-02-15 22:35:47,945 INFO L271 PluginConnector]: Initializing CDTParser... [2023-02-15 22:35:47,945 INFO L275 PluginConnector]: CDTParser initialized [2023-02-15 22:35:47,946 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/busybox-1.22.0/rm-1.i [2023-02-15 22:35:49,137 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-02-15 22:35:49,560 INFO L351 CDTParser]: Found 1 translation units. [2023-02-15 22:35:49,561 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/busybox-1.22.0/rm-1.i [2023-02-15 22:35:49,587 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0b223f8c9/e3c8abc2fa4549f7b8086a395b54b17f/FLAG9ef427401 [2023-02-15 22:35:49,603 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0b223f8c9/e3c8abc2fa4549f7b8086a395b54b17f [2023-02-15 22:35:49,606 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-02-15 22:35:49,608 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-02-15 22:35:49,610 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-02-15 22:35:49,611 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-02-15 22:35:49,613 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-02-15 22:35:49,614 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.02 10:35:49" (1/1) ... [2023-02-15 22:35:49,615 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@39f13a6a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 10:35:49, skipping insertion in model container [2023-02-15 22:35:49,615 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.02 10:35:49" (1/1) ... [2023-02-15 22:35:49,622 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-02-15 22:35:49,707 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-02-15 22:35:50,596 WARN L623 FunctionHandler]: Unknown extern function strrchr [2023-02-15 22:35:50,604 WARN L623 FunctionHandler]: Unknown extern function strerror [2023-02-15 22:35:50,606 WARN L623 FunctionHandler]: Unknown extern function strtoul [2023-02-15 22:35:50,611 WARN L623 FunctionHandler]: Unknown extern function vasprintf [2023-02-15 22:35:50,632 WARN L623 FunctionHandler]: Unknown extern function syslog [2023-02-15 22:35:50,637 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: xasprintf [2023-02-15 22:35:50,639 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6c5c5d78 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 10:35:50, skipping insertion in model container [2023-02-15 22:35:50,639 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-02-15 22:35:50,639 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2023-02-15 22:35:50,641 INFO L158 Benchmark]: Toolchain (without parser) took 1032.30ms. Allocated memory was 121.6MB in the beginning and 146.8MB in the end (delta: 25.2MB). Free memory was 67.3MB in the beginning and 103.1MB in the end (delta: -35.8MB). Peak memory consumption was 28.0MB. Max. memory is 16.1GB. [2023-02-15 22:35:50,642 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 121.6MB. Free memory was 62.4MB in the beginning and 62.3MB in the end (delta: 134.3kB). There was no memory consumed. Max. memory is 16.1GB. [2023-02-15 22:35:50,643 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1029.05ms. Allocated memory was 121.6MB in the beginning and 146.8MB in the end (delta: 25.2MB). Free memory was 66.9MB in the beginning and 103.1MB in the end (delta: -36.2MB). Peak memory consumption was 28.0MB. Max. memory is 16.1GB. [2023-02-15 22:35:50,645 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 121.6MB. Free memory was 62.4MB in the beginning and 62.3MB in the end (delta: 134.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1029.05ms. Allocated memory was 121.6MB in the beginning and 146.8MB in the end (delta: 25.2MB). Free memory was 66.9MB in the beginning and 103.1MB in the end (delta: -36.2MB). Peak memory consumption was 28.0MB. 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-?-e8d5503-m [2023-02-15 22:35:52,619 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-02-15 22:35:52,621 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-02-15 22:35:52,658 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-02-15 22:35:52,659 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-02-15 22:35:52,662 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-02-15 22:35:52,664 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-02-15 22:35:52,667 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-02-15 22:35:52,671 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-02-15 22:35:52,676 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-02-15 22:35:52,677 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-02-15 22:35:52,679 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-02-15 22:35:52,680 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-02-15 22:35:52,682 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-02-15 22:35:52,683 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-02-15 22:35:52,686 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-02-15 22:35:52,687 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-02-15 22:35:52,688 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-02-15 22:35:52,689 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-02-15 22:35:52,694 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-02-15 22:35:52,695 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-02-15 22:35:52,697 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-02-15 22:35:52,697 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-02-15 22:35:52,698 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-02-15 22:35:52,705 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-02-15 22:35:52,705 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-02-15 22:35:52,705 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-02-15 22:35:52,707 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-02-15 22:35:52,708 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-02-15 22:35:52,713 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-02-15 22:35:52,714 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-02-15 22:35:52,716 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-02-15 22:35:52,717 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-02-15 22:35:52,718 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-02-15 22:35:52,719 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-02-15 22:35:52,719 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-02-15 22:35:52,720 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-02-15 22:35:52,720 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-02-15 22:35:52,721 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-02-15 22:35:52,721 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-02-15 22:35:52,722 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-02-15 22:35:52,726 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Bitvector.epf [2023-02-15 22:35:52,759 INFO L113 SettingsManager]: Loading preferences was successful [2023-02-15 22:35:52,760 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-02-15 22:35:52,761 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-02-15 22:35:52,761 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-02-15 22:35:52,762 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-02-15 22:35:52,762 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-02-15 22:35:52,763 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-02-15 22:35:52,763 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-02-15 22:35:52,763 INFO L138 SettingsManager]: * Use SBE=true [2023-02-15 22:35:52,763 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-02-15 22:35:52,764 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-02-15 22:35:52,764 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-02-15 22:35:52,765 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-02-15 22:35:52,765 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-02-15 22:35:52,765 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2023-02-15 22:35:52,765 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-02-15 22:35:52,765 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-02-15 22:35:52,766 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-02-15 22:35:52,766 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2023-02-15 22:35:52,766 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-02-15 22:35:52,766 INFO L138 SettingsManager]: * Use constant arrays=true [2023-02-15 22:35:52,766 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-02-15 22:35:52,767 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-02-15 22:35:52,767 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-02-15 22:35:52,767 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-02-15 22:35:52,767 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-02-15 22:35:52,767 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-02-15 22:35:52,768 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2023-02-15 22:35:52,768 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-02-15 22:35:52,768 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-02-15 22:35:52,768 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-02-15 22:35:52,768 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-02-15 22:35:52,769 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2023-02-15 22:35:52,769 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-02-15 22:35:52,769 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 19eb8d8de30961dea99f1a23c58cfcdeda6ffbc5b9044422b635711938f56b03 [2023-02-15 22:35:53,104 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-02-15 22:35:53,124 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-02-15 22:35:53,126 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-02-15 22:35:53,127 INFO L271 PluginConnector]: Initializing CDTParser... [2023-02-15 22:35:53,128 INFO L275 PluginConnector]: CDTParser initialized [2023-02-15 22:35:53,129 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/busybox-1.22.0/rm-1.i [2023-02-15 22:35:54,386 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-02-15 22:35:54,813 INFO L351 CDTParser]: Found 1 translation units. [2023-02-15 22:35:54,813 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/busybox-1.22.0/rm-1.i [2023-02-15 22:35:54,846 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/176427dc6/5e5ffd1090f140119a7626b2b938e94d/FLAGba3d89c0b [2023-02-15 22:35:54,861 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/176427dc6/5e5ffd1090f140119a7626b2b938e94d [2023-02-15 22:35:54,863 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-02-15 22:35:54,865 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-02-15 22:35:54,866 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-02-15 22:35:54,866 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-02-15 22:35:54,870 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-02-15 22:35:54,871 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.02 10:35:54" (1/1) ... [2023-02-15 22:35:54,872 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22ae4cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 10:35:54, skipping insertion in model container [2023-02-15 22:35:54,873 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.02 10:35:54" (1/1) ... [2023-02-15 22:35:54,878 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-02-15 22:35:54,956 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-02-15 22:35:56,201 WARN L623 FunctionHandler]: Unknown extern function strrchr [2023-02-15 22:35:56,212 WARN L623 FunctionHandler]: Unknown extern function strerror [2023-02-15 22:35:56,214 WARN L623 FunctionHandler]: Unknown extern function strtoul [2023-02-15 22:35:56,217 WARN L623 FunctionHandler]: Unknown extern function vasprintf [2023-02-15 22:35:56,233 WARN L623 FunctionHandler]: Unknown extern function syslog [2023-02-15 22:35:56,245 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: xasprintf [2023-02-15 22:35:56,246 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@759a18be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.02 10:35:56, skipping insertion in model container [2023-02-15 22:35:56,246 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-02-15 22:35:56,246 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2023-02-15 22:35:56,248 INFO L158 Benchmark]: Toolchain (without parser) took 1382.54ms. Allocated memory is still 71.3MB. Free memory was 42.6MB in the beginning and 49.7MB in the end (delta: -7.1MB). Peak memory consumption was 20.1MB. Max. memory is 16.1GB. [2023-02-15 22:35:56,249 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 58.7MB. Free memory is still 35.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-02-15 22:35:56,249 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1380.57ms. Allocated memory is still 71.3MB. Free memory was 42.4MB in the beginning and 49.7MB in the end (delta: -7.3MB). Peak memory consumption was 20.1MB. Max. memory is 16.1GB. [2023-02-15 22:35:56,250 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 58.7MB. Free memory is still 35.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1380.57ms. Allocated memory is still 71.3MB. Free memory was 42.4MB in the beginning and 49.7MB in the end (delta: -7.3MB). Peak memory consumption was 20.1MB. 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