./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/busybox-1.22.0/readlink-2.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version e19ca921 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/readlink-2.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 983cec69549e2e1e8fd4af811fefcb63625f41eb81ec9e5957d0ba81a05cd15e --- Real Ultimate output --- This is Ultimate 0.2.2-dev-e19ca92 [2021-12-22 02:42:25,632 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-22 02:42:25,634 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-22 02:42:25,690 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-22 02:42:25,691 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-22 02:42:25,694 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-22 02:42:25,695 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-22 02:42:25,700 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-22 02:42:25,701 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-22 02:42:25,705 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-22 02:42:25,706 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-22 02:42:25,706 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-22 02:42:25,707 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-22 02:42:25,709 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-22 02:42:25,710 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-22 02:42:25,711 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-22 02:42:25,713 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-22 02:42:25,714 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-22 02:42:25,715 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-22 02:42:25,717 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-22 02:42:25,720 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-22 02:42:25,721 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-22 02:42:25,721 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-22 02:42:25,722 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-22 02:42:25,724 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-22 02:42:25,725 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-22 02:42:25,725 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-22 02:42:25,726 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-22 02:42:25,727 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-22 02:42:25,727 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-22 02:42:25,727 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-22 02:42:25,728 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-22 02:42:25,729 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-22 02:42:25,730 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-22 02:42:25,731 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-22 02:42:25,731 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-22 02:42:25,731 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-22 02:42:25,732 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-22 02:42:25,732 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-22 02:42:25,732 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-22 02:42:25,733 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-22 02:42:25,733 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Default.epf [2021-12-22 02:42:25,759 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-22 02:42:25,759 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-22 02:42:25,760 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-22 02:42:25,760 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-22 02:42:25,761 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-22 02:42:25,761 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-22 02:42:25,761 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-22 02:42:25,761 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-22 02:42:25,761 INFO L138 SettingsManager]: * Use SBE=true [2021-12-22 02:42:25,762 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-22 02:42:25,762 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-22 02:42:25,763 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-22 02:42:25,763 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-22 02:42:25,763 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-12-22 02:42:25,763 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-12-22 02:42:25,763 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-12-22 02:42:25,763 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-22 02:42:25,763 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-22 02:42:25,764 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-22 02:42:25,764 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-22 02:42:25,764 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-22 02:42:25,764 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-22 02:42:25,764 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-22 02:42:25,764 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-22 02:42:25,765 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-22 02:42:25,765 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-22 02:42:25,765 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-22 02:42:25,766 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-22 02:42:25,766 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 983cec69549e2e1e8fd4af811fefcb63625f41eb81ec9e5957d0ba81a05cd15e [2021-12-22 02:42:25,929 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-22 02:42:25,950 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-22 02:42:25,953 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-22 02:42:25,953 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-22 02:42:25,954 INFO L275 PluginConnector]: CDTParser initialized [2021-12-22 02:42:25,956 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/busybox-1.22.0/readlink-2.i [2021-12-22 02:42:25,995 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/13dba4950/82cd8bcc3d8145e6ae240134b08bdc12/FLAG4b11a14dd [2021-12-22 02:42:26,455 INFO L306 CDTParser]: Found 1 translation units. [2021-12-22 02:42:26,455 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/busybox-1.22.0/readlink-2.i [2021-12-22 02:42:26,489 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/13dba4950/82cd8bcc3d8145e6ae240134b08bdc12/FLAG4b11a14dd [2021-12-22 02:42:26,726 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/13dba4950/82cd8bcc3d8145e6ae240134b08bdc12 [2021-12-22 02:42:26,728 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-22 02:42:26,729 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-22 02:42:26,742 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-22 02:42:26,742 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-22 02:42:26,744 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-22 02:42:26,745 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 02:42:26" (1/1) ... [2021-12-22 02:42:26,746 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3cafb5e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:42:26, skipping insertion in model container [2021-12-22 02:42:26,747 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 02:42:26" (1/1) ... [2021-12-22 02:42:26,752 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-22 02:42:26,808 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-22 02:42:27,469 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg_and_die [2021-12-22 02:42:27,470 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1ae14d13 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:42:27, skipping insertion in model container [2021-12-22 02:42:27,470 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-22 02:42:27,471 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-12-22 02:42:27,473 INFO L158 Benchmark]: Toolchain (without parser) took 742.15ms. Allocated memory was 96.5MB in the beginning and 117.4MB in the end (delta: 21.0MB). Free memory was 62.7MB in the beginning and 79.2MB in the end (delta: -16.5MB). Peak memory consumption was 13.8MB. Max. memory is 16.1GB. [2021-12-22 02:42:27,474 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 96.5MB. Free memory was 54.1MB in the beginning and 54.0MB in the end (delta: 40.1kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-22 02:42:27,475 INFO L158 Benchmark]: CACSL2BoogieTranslator took 728.82ms. Allocated memory was 96.5MB in the beginning and 117.4MB in the end (delta: 21.0MB). Free memory was 62.5MB in the beginning and 79.2MB in the end (delta: -16.7MB). Peak memory consumption was 13.8MB. Max. memory is 16.1GB. [2021-12-22 02:42:27,477 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 96.5MB. Free memory was 54.1MB in the beginning and 54.0MB in the end (delta: 40.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 728.82ms. Allocated memory was 96.5MB in the beginning and 117.4MB in the end (delta: 21.0MB). Free memory was 62.5MB in the beginning and 79.2MB in the end (delta: -16.7MB). Peak memory consumption was 13.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2359]: Unsupported Syntax encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg_and_die 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/readlink-2.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 983cec69549e2e1e8fd4af811fefcb63625f41eb81ec9e5957d0ba81a05cd15e --- Real Ultimate output --- This is Ultimate 0.2.2-dev-e19ca92 [2021-12-22 02:42:29,217 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-22 02:42:29,220 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-22 02:42:29,262 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-22 02:42:29,263 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-22 02:42:29,266 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-22 02:42:29,267 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-22 02:42:29,272 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-22 02:42:29,274 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-22 02:42:29,278 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-22 02:42:29,279 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-22 02:42:29,283 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-22 02:42:29,283 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-22 02:42:29,286 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-22 02:42:29,287 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-22 02:42:29,289 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-22 02:42:29,290 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-22 02:42:29,290 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-22 02:42:29,292 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-22 02:42:29,297 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-22 02:42:29,299 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-22 02:42:29,306 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-22 02:42:29,307 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-22 02:42:29,307 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-22 02:42:29,309 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-22 02:42:29,309 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-22 02:42:29,309 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-22 02:42:29,310 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-22 02:42:29,310 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-22 02:42:29,310 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-22 02:42:29,311 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-22 02:42:29,311 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-22 02:42:29,312 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-22 02:42:29,312 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-22 02:42:29,315 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-22 02:42:29,315 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-22 02:42:29,316 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-22 02:42:29,316 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-22 02:42:29,316 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-22 02:42:29,316 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-22 02:42:29,317 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-22 02:42:29,331 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Bitvector.epf [2021-12-22 02:42:29,354 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-22 02:42:29,354 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-22 02:42:29,355 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-22 02:42:29,355 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-22 02:42:29,356 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-22 02:42:29,356 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-22 02:42:29,357 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-22 02:42:29,357 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-22 02:42:29,357 INFO L138 SettingsManager]: * Use SBE=true [2021-12-22 02:42:29,357 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-22 02:42:29,358 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-22 02:42:29,358 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-22 02:42:29,358 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-22 02:42:29,358 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-12-22 02:42:29,358 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-12-22 02:42:29,359 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-12-22 02:42:29,359 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-22 02:42:29,359 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-22 02:42:29,359 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-12-22 02:42:29,359 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-12-22 02:42:29,359 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-22 02:42:29,359 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-22 02:42:29,360 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-22 02:42:29,360 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-22 02:42:29,360 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-22 02:42:29,360 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-22 02:42:29,360 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-22 02:42:29,360 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-12-22 02:42:29,361 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-12-22 02:42:29,361 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-22 02:42:29,361 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-12-22 02:42:29,361 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 983cec69549e2e1e8fd4af811fefcb63625f41eb81ec9e5957d0ba81a05cd15e [2021-12-22 02:42:29,641 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-22 02:42:29,652 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-22 02:42:29,664 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-22 02:42:29,665 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-22 02:42:29,666 INFO L275 PluginConnector]: CDTParser initialized [2021-12-22 02:42:29,666 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/busybox-1.22.0/readlink-2.i [2021-12-22 02:42:29,732 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7ce713a93/0578332ba00d4dacb03e98f29d63272e/FLAG47be94525 [2021-12-22 02:42:30,478 INFO L306 CDTParser]: Found 1 translation units. [2021-12-22 02:42:30,479 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/busybox-1.22.0/readlink-2.i [2021-12-22 02:42:30,540 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7ce713a93/0578332ba00d4dacb03e98f29d63272e/FLAG47be94525 [2021-12-22 02:42:30,710 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7ce713a93/0578332ba00d4dacb03e98f29d63272e [2021-12-22 02:42:30,712 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-22 02:42:30,714 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-22 02:42:30,717 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-22 02:42:30,717 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-22 02:42:30,727 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-22 02:42:30,735 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 02:42:30" (1/1) ... [2021-12-22 02:42:30,736 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c3e4c9c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:42:30, skipping insertion in model container [2021-12-22 02:42:30,736 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 02:42:30" (1/1) ... [2021-12-22 02:42:30,741 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-22 02:42:30,865 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-22 02:42:31,777 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg_and_die [2021-12-22 02:42:31,779 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3345e9c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 02:42:31, skipping insertion in model container [2021-12-22 02:42:31,779 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-22 02:42:31,779 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-12-22 02:42:31,781 INFO L158 Benchmark]: Toolchain (without parser) took 1065.69ms. Allocated memory was 54.5MB in the beginning and 67.1MB in the end (delta: 12.6MB). Free memory was 26.6MB in the beginning and 35.6MB in the end (delta: -9.0MB). Peak memory consumption was 4.8MB. Max. memory is 16.1GB. [2021-12-22 02:42:31,783 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 54.5MB. Free memory was 36.9MB in the beginning and 36.8MB in the end (delta: 44.6kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-22 02:42:31,784 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1062.45ms. Allocated memory was 54.5MB in the beginning and 67.1MB in the end (delta: 12.6MB). Free memory was 26.3MB in the beginning and 35.6MB in the end (delta: -9.3MB). Peak memory consumption was 4.8MB. Max. memory is 16.1GB. [2021-12-22 02:42:31,786 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 54.5MB. Free memory was 36.9MB in the beginning and 36.8MB in the end (delta: 44.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1062.45ms. Allocated memory was 54.5MB in the beginning and 67.1MB in the end (delta: 12.6MB). Free memory was 26.3MB in the beginning and 35.6MB in the end (delta: -9.3MB). Peak memory consumption was 4.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2359]: Unsupported Syntax encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg_and_die 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