./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 35987657 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-?-3598765 [2022-07-21 23:41:02,647 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-21 23:41:02,653 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-21 23:41:02,680 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-21 23:41:02,681 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-21 23:41:02,682 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-21 23:41:02,687 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-21 23:41:02,690 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-21 23:41:02,692 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-21 23:41:02,695 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-21 23:41:02,696 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-21 23:41:02,698 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-21 23:41:02,698 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-21 23:41:02,700 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-21 23:41:02,701 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-21 23:41:02,705 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-21 23:41:02,705 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-21 23:41:02,706 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-21 23:41:02,708 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-21 23:41:02,711 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-21 23:41:02,714 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-21 23:41:02,715 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-21 23:41:02,716 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-21 23:41:02,717 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-21 23:41:02,719 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-21 23:41:02,722 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-21 23:41:02,722 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-21 23:41:02,722 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-21 23:41:02,723 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-21 23:41:02,723 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-21 23:41:02,724 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-21 23:41:02,724 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-21 23:41:02,725 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-21 23:41:02,725 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-21 23:41:02,726 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-21 23:41:02,727 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-21 23:41:02,727 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-21 23:41:02,727 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-21 23:41:02,728 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-21 23:41:02,728 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-21 23:41:02,728 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-21 23:41:02,729 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-21 23:41:02,732 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Default.epf [2022-07-21 23:41:02,757 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-21 23:41:02,757 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-21 23:41:02,758 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-21 23:41:02,758 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-21 23:41:02,758 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-21 23:41:02,759 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-21 23:41:02,759 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-21 23:41:02,759 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-21 23:41:02,760 INFO L138 SettingsManager]: * Use SBE=true [2022-07-21 23:41:02,761 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-21 23:41:02,761 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-07-21 23:41:02,761 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-21 23:41:02,761 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-21 23:41:02,761 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-07-21 23:41:02,761 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-07-21 23:41:02,768 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-07-21 23:41:02,769 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-21 23:41:02,769 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-21 23:41:02,769 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-21 23:41:02,769 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-21 23:41:02,770 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-21 23:41:02,770 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-21 23:41:02,770 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 23:41:02,770 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-21 23:41:02,770 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-21 23:41:02,771 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-21 23:41:02,771 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-21 23:41:02,771 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 983cec69549e2e1e8fd4af811fefcb63625f41eb81ec9e5957d0ba81a05cd15e [2022-07-21 23:41:03,070 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-21 23:41:03,093 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-21 23:41:03,095 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-21 23:41:03,097 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-21 23:41:03,097 INFO L275 PluginConnector]: CDTParser initialized [2022-07-21 23:41:03,099 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/busybox-1.22.0/readlink-2.i [2022-07-21 23:41:03,157 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c25539126/e5bc87752b354fcab2da9caed0cdba30/FLAG156ddfe38 [2022-07-21 23:41:03,747 INFO L306 CDTParser]: Found 1 translation units. [2022-07-21 23:41:03,748 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/busybox-1.22.0/readlink-2.i [2022-07-21 23:41:03,778 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c25539126/e5bc87752b354fcab2da9caed0cdba30/FLAG156ddfe38 [2022-07-21 23:41:03,987 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c25539126/e5bc87752b354fcab2da9caed0cdba30 [2022-07-21 23:41:03,989 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-21 23:41:03,990 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-21 23:41:03,992 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-21 23:41:03,993 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-21 23:41:03,996 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-21 23:41:03,996 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 11:41:03" (1/1) ... [2022-07-21 23:41:03,997 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@37e19cd5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:41:03, skipping insertion in model container [2022-07-21 23:41:03,997 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 11:41:03" (1/1) ... [2022-07-21 23:41:04,003 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-21 23:41:04,082 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-21 23:41:04,841 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 [2022-07-21 23:41:04,844 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6bb6dd38 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:41:04, skipping insertion in model container [2022-07-21 23:41:04,844 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-21 23:41:04,845 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-07-21 23:41:04,846 INFO L158 Benchmark]: Toolchain (without parser) took 855.12ms. Allocated memory was 48.2MB in the beginning and 58.7MB in the end (delta: 10.5MB). Free memory was 28.6MB in the beginning and 27.6MB in the end (delta: 1.1MB). Peak memory consumption was 12.1MB. Max. memory is 16.1GB. [2022-07-21 23:41:04,847 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 48.2MB. Free memory was 30.1MB in the beginning and 30.0MB in the end (delta: 31.8kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-21 23:41:04,848 INFO L158 Benchmark]: CACSL2BoogieTranslator took 852.09ms. Allocated memory was 48.2MB in the beginning and 58.7MB in the end (delta: 10.5MB). Free memory was 28.4MB in the beginning and 27.6MB in the end (delta: 855.1kB). Peak memory consumption was 12.1MB. Max. memory is 16.1GB. [2022-07-21 23:41:04,849 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 48.2MB. Free memory was 30.1MB in the beginning and 30.0MB in the end (delta: 31.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 852.09ms. Allocated memory was 48.2MB in the beginning and 58.7MB in the end (delta: 10.5MB). Free memory was 28.4MB in the beginning and 27.6MB in the end (delta: 855.1kB). Peak memory consumption was 12.1MB. 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-?-3598765 [2022-07-21 23:41:06,540 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-21 23:41:06,542 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-21 23:41:06,584 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-21 23:41:06,585 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-21 23:41:06,586 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-21 23:41:06,589 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-21 23:41:06,592 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-21 23:41:06,594 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-21 23:41:06,598 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-21 23:41:06,599 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-21 23:41:06,603 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-21 23:41:06,603 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-21 23:41:06,605 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-21 23:41:06,607 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-21 23:41:06,609 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-21 23:41:06,610 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-21 23:41:06,612 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-21 23:41:06,613 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-21 23:41:06,620 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-21 23:41:06,622 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-21 23:41:06,623 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-21 23:41:06,624 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-21 23:41:06,625 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-21 23:41:06,627 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-21 23:41:06,632 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-21 23:41:06,634 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-21 23:41:06,634 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-21 23:41:06,635 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-21 23:41:06,635 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-21 23:41:06,636 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-21 23:41:06,636 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-21 23:41:06,638 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-21 23:41:06,638 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-21 23:41:06,640 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-21 23:41:06,640 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-21 23:41:06,640 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-21 23:41:06,641 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-21 23:41:06,641 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-21 23:41:06,641 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-21 23:41:06,642 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-21 23:41:06,643 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-21 23:41:06,648 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Bitvector.epf [2022-07-21 23:41:06,675 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-21 23:41:06,675 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-21 23:41:06,676 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-21 23:41:06,676 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-21 23:41:06,677 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-21 23:41:06,677 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-21 23:41:06,678 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-21 23:41:06,678 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-21 23:41:06,678 INFO L138 SettingsManager]: * Use SBE=true [2022-07-21 23:41:06,679 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-21 23:41:06,679 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-07-21 23:41:06,679 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-21 23:41:06,679 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-21 23:41:06,679 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-07-21 23:41:06,680 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-07-21 23:41:06,691 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-07-21 23:41:06,691 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-21 23:41:06,691 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-21 23:41:06,692 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-21 23:41:06,692 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-21 23:41:06,692 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-21 23:41:06,692 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-21 23:41:06,692 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-21 23:41:06,693 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-21 23:41:06,693 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 23:41:06,693 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-21 23:41:06,693 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-21 23:41:06,694 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-21 23:41:06,694 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-21 23:41:06,694 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-21 23:41:06,694 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 983cec69549e2e1e8fd4af811fefcb63625f41eb81ec9e5957d0ba81a05cd15e [2022-07-21 23:41:06,982 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-21 23:41:07,009 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-21 23:41:07,011 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-21 23:41:07,012 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-21 23:41:07,013 INFO L275 PluginConnector]: CDTParser initialized [2022-07-21 23:41:07,015 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/busybox-1.22.0/readlink-2.i [2022-07-21 23:41:07,078 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5cdcf0020/b5114ee85d3340eb80c0d1b7e22632c7/FLAG71d838755 [2022-07-21 23:41:07,702 INFO L306 CDTParser]: Found 1 translation units. [2022-07-21 23:41:07,703 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/busybox-1.22.0/readlink-2.i [2022-07-21 23:41:07,735 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5cdcf0020/b5114ee85d3340eb80c0d1b7e22632c7/FLAG71d838755 [2022-07-21 23:41:08,089 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5cdcf0020/b5114ee85d3340eb80c0d1b7e22632c7 [2022-07-21 23:41:08,091 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-21 23:41:08,092 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-21 23:41:08,095 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-21 23:41:08,095 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-21 23:41:08,098 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-21 23:41:08,098 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 11:41:08" (1/1) ... [2022-07-21 23:41:08,099 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34364575 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:41:08, skipping insertion in model container [2022-07-21 23:41:08,100 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 11:41:08" (1/1) ... [2022-07-21 23:41:08,106 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-21 23:41:08,164 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-21 23:41:08,920 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 [2022-07-21 23:41:08,921 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@707c1d82 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 11:41:08, skipping insertion in model container [2022-07-21 23:41:08,921 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-21 23:41:08,921 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-07-21 23:41:08,923 INFO L158 Benchmark]: Toolchain (without parser) took 829.94ms. Allocated memory was 50.3MB in the beginning and 69.2MB in the end (delta: 18.9MB). Free memory was 31.9MB in the beginning and 37.4MB in the end (delta: -5.5MB). Peak memory consumption was 13.4MB. Max. memory is 16.1GB. [2022-07-21 23:41:08,924 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 50.3MB. Free memory was 32.3MB in the beginning and 32.2MB in the end (delta: 38.2kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-21 23:41:08,924 INFO L158 Benchmark]: CACSL2BoogieTranslator took 826.38ms. Allocated memory was 50.3MB in the beginning and 69.2MB in the end (delta: 18.9MB). Free memory was 31.8MB in the beginning and 37.4MB in the end (delta: -5.6MB). Peak memory consumption was 13.4MB. Max. memory is 16.1GB. [2022-07-21 23:41:08,926 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 50.3MB. Free memory was 32.3MB in the beginning and 32.2MB in the end (delta: 38.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 826.38ms. Allocated memory was 50.3MB in the beginning and 69.2MB in the end (delta: 18.9MB). Free memory was 31.8MB in the beginning and 37.4MB in the end (delta: -5.6MB). Peak memory consumption was 13.4MB. 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