./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/busybox-1.22.0/tac-1.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version c3fed411 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/tac-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 6c4e494ce5c4dce421612b608bcca5f034ca1031888feb61b9a4842be490db1c --- Real Ultimate output --- This is Ultimate 0.2.2-tmp.no-commuhash-c3fed41 [2021-12-19 12:22:46,361 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-19 12:22:46,375 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-19 12:22:46,408 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-19 12:22:46,408 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-19 12:22:46,412 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-19 12:22:46,415 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-19 12:22:46,419 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-19 12:22:46,420 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-19 12:22:46,421 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-19 12:22:46,421 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-19 12:22:46,423 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-19 12:22:46,423 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-19 12:22:46,427 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-19 12:22:46,429 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-19 12:22:46,430 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-19 12:22:46,432 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-19 12:22:46,433 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-19 12:22:46,434 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-19 12:22:46,437 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-19 12:22:46,441 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-19 12:22:46,442 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-19 12:22:46,442 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-19 12:22:46,443 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-19 12:22:46,445 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-19 12:22:46,446 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-19 12:22:46,446 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-19 12:22:46,446 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-19 12:22:46,447 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-19 12:22:46,448 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-19 12:22:46,448 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-19 12:22:46,449 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-19 12:22:46,450 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-19 12:22:46,450 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-19 12:22:46,451 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-19 12:22:46,452 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-19 12:22:46,452 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-19 12:22:46,452 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-19 12:22:46,453 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-19 12:22:46,453 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-19 12:22:46,453 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-19 12:22:46,454 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Default.epf [2021-12-19 12:22:46,472 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-19 12:22:46,472 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-19 12:22:46,473 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-19 12:22:46,473 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-19 12:22:46,473 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-19 12:22:46,473 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-19 12:22:46,474 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-19 12:22:46,474 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-19 12:22:46,474 INFO L138 SettingsManager]: * Use SBE=true [2021-12-19 12:22:46,474 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-19 12:22:46,474 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-19 12:22:46,475 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-19 12:22:46,475 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-19 12:22:46,475 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-12-19 12:22:46,475 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-12-19 12:22:46,475 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-12-19 12:22:46,475 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-19 12:22:46,475 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-19 12:22:46,476 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-19 12:22:46,476 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-19 12:22:46,476 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-19 12:22:46,476 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-19 12:22:46,476 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-19 12:22:46,477 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-19 12:22:46,477 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-19 12:22:46,477 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-19 12:22:46,477 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-19 12:22:46,477 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-19 12:22:46,478 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6c4e494ce5c4dce421612b608bcca5f034ca1031888feb61b9a4842be490db1c [2021-12-19 12:22:46,663 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-19 12:22:46,688 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-19 12:22:46,690 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-19 12:22:46,691 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-19 12:22:46,691 INFO L275 PluginConnector]: CDTParser initialized [2021-12-19 12:22:46,693 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/busybox-1.22.0/tac-1.i [2021-12-19 12:22:46,748 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1017c572c/a6a811100a8f4de382d10df27da263d5/FLAG3d47c97dd [2021-12-19 12:22:47,280 INFO L306 CDTParser]: Found 1 translation units. [2021-12-19 12:22:47,282 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/busybox-1.22.0/tac-1.i [2021-12-19 12:22:47,304 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1017c572c/a6a811100a8f4de382d10df27da263d5/FLAG3d47c97dd [2021-12-19 12:22:47,765 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1017c572c/a6a811100a8f4de382d10df27da263d5 [2021-12-19 12:22:47,768 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-19 12:22:47,769 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-19 12:22:47,770 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-19 12:22:47,770 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-19 12:22:47,773 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-19 12:22:47,773 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.12 12:22:47" (1/1) ... [2021-12-19 12:22:47,775 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@65fecea5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 12:22:47, skipping insertion in model container [2021-12-19 12:22:47,775 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.12 12:22:47" (1/1) ... [2021-12-19 12:22:47,779 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-19 12:22:47,823 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-19 12:22:48,387 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg [2021-12-19 12:22:48,388 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2b30d900 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 12:22:48, skipping insertion in model container [2021-12-19 12:22:48,389 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-19 12:22:48,389 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-12-19 12:22:48,390 INFO L158 Benchmark]: Toolchain (without parser) took 620.33ms. Allocated memory is still 102.8MB. Free memory was 65.8MB in the beginning and 65.5MB in the end (delta: 270.5kB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-12-19 12:22:48,391 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 77.6MB. Free memory was 48.9MB in the beginning and 48.9MB in the end (delta: 24.2kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-19 12:22:48,392 INFO L158 Benchmark]: CACSL2BoogieTranslator took 618.42ms. Allocated memory is still 102.8MB. Free memory was 65.8MB in the beginning and 65.5MB in the end (delta: 270.5kB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-12-19 12:22:48,393 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 77.6MB. Free memory was 48.9MB in the beginning and 48.9MB in the end (delta: 24.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 618.42ms. Allocated memory is still 102.8MB. Free memory was 65.8MB in the beginning and 65.5MB in the end (delta: 270.5kB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2259]: Unsupported Syntax encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg 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/tac-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 6c4e494ce5c4dce421612b608bcca5f034ca1031888feb61b9a4842be490db1c --- Real Ultimate output --- This is Ultimate 0.2.2-tmp.no-commuhash-c3fed41 [2021-12-19 12:22:49,787 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-19 12:22:49,788 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-19 12:22:49,809 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-19 12:22:49,810 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-19 12:22:49,814 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-19 12:22:49,815 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-19 12:22:49,817 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-19 12:22:49,819 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-19 12:22:49,821 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-19 12:22:49,821 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-19 12:22:49,823 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-19 12:22:49,823 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-19 12:22:49,827 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-19 12:22:49,829 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-19 12:22:49,830 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-19 12:22:49,831 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-19 12:22:49,832 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-19 12:22:49,833 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-19 12:22:49,837 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-19 12:22:49,840 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-19 12:22:49,843 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-19 12:22:49,843 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-19 12:22:49,844 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-19 12:22:49,845 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-19 12:22:49,846 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-19 12:22:49,846 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-19 12:22:49,847 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-19 12:22:49,848 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-19 12:22:49,848 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-19 12:22:49,849 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-19 12:22:49,849 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-19 12:22:49,850 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-19 12:22:49,852 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-19 12:22:49,853 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-19 12:22:49,853 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-19 12:22:49,853 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-19 12:22:49,854 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-19 12:22:49,854 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-19 12:22:49,854 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-19 12:22:49,855 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-19 12:22:49,856 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Bitvector.epf [2021-12-19 12:22:49,887 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-19 12:22:49,887 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-19 12:22:49,888 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-19 12:22:49,888 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-19 12:22:49,889 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-19 12:22:49,889 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-19 12:22:49,890 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-19 12:22:49,890 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-19 12:22:49,890 INFO L138 SettingsManager]: * Use SBE=true [2021-12-19 12:22:49,890 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-19 12:22:49,891 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-19 12:22:49,891 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-19 12:22:49,891 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-19 12:22:49,891 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-12-19 12:22:49,891 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-12-19 12:22:49,891 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-12-19 12:22:49,891 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-19 12:22:49,892 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-19 12:22:49,892 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-12-19 12:22:49,892 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-12-19 12:22:49,892 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-19 12:22:49,892 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-19 12:22:49,892 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-19 12:22:49,892 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-19 12:22:49,900 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-19 12:22:49,900 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-19 12:22:49,900 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-19 12:22:49,901 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-12-19 12:22:49,901 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-12-19 12:22:49,901 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-19 12:22:49,901 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-12-19 12:22:49,901 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6c4e494ce5c4dce421612b608bcca5f034ca1031888feb61b9a4842be490db1c [2021-12-19 12:22:50,159 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-19 12:22:50,181 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-19 12:22:50,183 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-19 12:22:50,184 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-19 12:22:50,184 INFO L275 PluginConnector]: CDTParser initialized [2021-12-19 12:22:50,185 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/busybox-1.22.0/tac-1.i [2021-12-19 12:22:50,229 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/303e8bebc/621da594178b47bfb0d2774a73fbef08/FLAG0e61aaf68 [2021-12-19 12:22:50,754 INFO L306 CDTParser]: Found 1 translation units. [2021-12-19 12:22:50,755 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/busybox-1.22.0/tac-1.i [2021-12-19 12:22:50,780 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/303e8bebc/621da594178b47bfb0d2774a73fbef08/FLAG0e61aaf68 [2021-12-19 12:22:51,257 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/303e8bebc/621da594178b47bfb0d2774a73fbef08 [2021-12-19 12:22:51,259 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-19 12:22:51,260 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-19 12:22:51,261 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-19 12:22:51,261 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-19 12:22:51,263 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-19 12:22:51,264 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.12 12:22:51" (1/1) ... [2021-12-19 12:22:51,264 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b1bae63 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 12:22:51, skipping insertion in model container [2021-12-19 12:22:51,275 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.12 12:22:51" (1/1) ... [2021-12-19 12:22:51,282 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-19 12:22:51,329 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-19 12:22:51,991 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg [2021-12-19 12:22:51,992 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@7334909f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 12:22:51, skipping insertion in model container [2021-12-19 12:22:51,993 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-19 12:22:51,993 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-12-19 12:22:51,995 INFO L158 Benchmark]: Toolchain (without parser) took 733.70ms. Allocated memory was 54.5MB in the beginning and 73.4MB in the end (delta: 18.9MB). Free memory was 25.9MB in the beginning and 41.8MB in the end (delta: -15.9MB). Peak memory consumption was 4.5MB. Max. memory is 16.1GB. [2021-12-19 12:22:51,996 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 54.5MB. Free memory was 36.5MB in the beginning and 36.5MB in the end (delta: 38.2kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-19 12:22:51,997 INFO L158 Benchmark]: CACSL2BoogieTranslator took 732.11ms. Allocated memory was 54.5MB in the beginning and 73.4MB in the end (delta: 18.9MB). Free memory was 25.7MB in the beginning and 41.8MB in the end (delta: -16.1MB). Peak memory consumption was 4.5MB. Max. memory is 16.1GB. [2021-12-19 12:22:51,998 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 54.5MB. Free memory was 36.5MB in the beginning and 36.5MB in the end (delta: 38.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 732.11ms. Allocated memory was 54.5MB in the beginning and 73.4MB in the end (delta: 18.9MB). Free memory was 25.7MB in the beginning and 41.8MB in the end (delta: -16.1MB). Peak memory consumption was 4.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2259]: Unsupported Syntax encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg 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