./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/busybox-1.22.0/chgrp-incomplete-1.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 65d6cd23 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.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/chgrp-incomplete-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 59552a76d60868057ef515bd7a8a81a51e73eda9 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.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/chgrp-incomplete-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 59552a76d60868057ef515bd7a8a81a51e73eda9 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-65d6cd2 [2019-11-26 00:29:27,277 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 00:29:27,285 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 00:29:27,322 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 00:29:27,325 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 00:29:27,331 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 00:29:27,334 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 00:29:27,354 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 00:29:27,360 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 00:29:27,363 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 00:29:27,369 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 00:29:27,373 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 00:29:27,373 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 00:29:27,380 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 00:29:27,382 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 00:29:27,389 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 00:29:27,393 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 00:29:27,399 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 00:29:27,403 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 00:29:27,413 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 00:29:27,421 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 00:29:27,428 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 00:29:27,431 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 00:29:27,435 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 00:29:27,445 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 00:29:27,446 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 00:29:27,446 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 00:29:27,450 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 00:29:27,451 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 00:29:27,455 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 00:29:27,455 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 00:29:27,456 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 00:29:27,460 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 00:29:27,463 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 00:29:27,469 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 00:29:27,469 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 00:29:27,471 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 00:29:27,473 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 00:29:27,473 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 00:29:27,479 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 00:29:27,481 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 00:29:27,484 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Default.epf [2019-11-26 00:29:27,522 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 00:29:27,524 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 00:29:27,528 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 00:29:27,530 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 00:29:27,533 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 00:29:27,533 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 00:29:27,534 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-26 00:29:27,534 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 00:29:27,534 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 00:29:27,534 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-26 00:29:27,536 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-26 00:29:27,536 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-26 00:29:27,538 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 00:29:27,538 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-26 00:29:27,539 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 00:29:27,539 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 00:29:27,541 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 00:29:27,541 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 00:29:27,541 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 00:29:27,542 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 00:29:27,542 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 00:29:27,543 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 00:29:27,544 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-26 00:29:27,544 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 00:29:27,544 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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 -> 59552a76d60868057ef515bd7a8a81a51e73eda9 [2019-11-26 00:29:28,096 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 00:29:28,128 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 00:29:28,136 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 00:29:28,141 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 00:29:28,142 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 00:29:28,145 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/busybox-1.22.0/chgrp-incomplete-1.i [2019-11-26 00:29:28,303 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/930550e7c/04963e269af74fbaaae5e248c36f6344/FLAGb7eff817f [2019-11-26 00:29:29,776 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 00:29:29,779 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/busybox-1.22.0/chgrp-incomplete-1.i [2019-11-26 00:29:29,849 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/930550e7c/04963e269af74fbaaae5e248c36f6344/FLAGb7eff817f [2019-11-26 00:29:29,889 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/930550e7c/04963e269af74fbaaae5e248c36f6344 [2019-11-26 00:29:29,899 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 00:29:29,903 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-26 00:29:29,909 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 00:29:29,910 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 00:29:29,915 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 00:29:29,919 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:29:29" (1/1) ... [2019-11-26 00:29:29,929 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a273c74 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:29:29, skipping insertion in model container [2019-11-26 00:29:29,930 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:29:29" (1/1) ... [2019-11-26 00:29:29,949 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 00:29:30,109 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 00:29:32,549 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: xasprintf [2019-11-26 00:29:32,552 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@55b8a9b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:29:32, skipping insertion in model container [2019-11-26 00:29:32,554 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 00:29:32,555 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2019-11-26 00:29:32,564 INFO L168 Benchmark]: Toolchain (without parser) took 2655.76 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 956.0 MB in the beginning and 977.2 MB in the end (delta: -21.3 MB). Peak memory consumption was 27.5 MB. Max. memory is 12.5 GB. [2019-11-26 00:29:32,565 INFO L168 Benchmark]: CDTParser took 0.54 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 00:29:32,569 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2645.34 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 956.0 MB in the beginning and 977.2 MB in the end (delta: -21.3 MB). Peak memory consumption was 27.5 MB. Max. memory is 12.5 GB. [2019-11-26 00:29:32,575 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.54 ms. Allocated memory is still 1.0 GB. Free memory is still 988.9 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 2645.34 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 956.0 MB in the beginning and 977.2 MB in the end (delta: -21.3 MB). Peak memory consumption was 27.5 MB. Max. memory is 12.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2330]: Unsupported Syntax encountered a call to a var args function, var args are not supported at the moment: xasprintf RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-65d6cd2 [2019-11-26 00:29:36,534 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 00:29:36,541 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 00:29:36,574 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 00:29:36,575 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 00:29:36,579 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 00:29:36,584 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 00:29:36,600 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 00:29:36,602 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 00:29:36,607 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 00:29:36,608 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 00:29:36,615 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 00:29:36,615 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 00:29:36,621 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 00:29:36,622 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 00:29:36,624 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 00:29:36,626 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 00:29:36,630 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 00:29:36,638 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 00:29:36,643 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 00:29:36,656 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 00:29:36,663 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 00:29:36,666 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 00:29:36,670 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 00:29:36,678 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 00:29:36,681 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 00:29:36,681 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 00:29:36,683 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 00:29:36,684 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 00:29:36,687 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 00:29:36,689 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 00:29:36,690 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 00:29:36,692 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 00:29:36,695 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 00:29:36,698 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 00:29:36,699 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 00:29:36,701 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 00:29:36,702 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 00:29:36,704 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 00:29:36,705 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 00:29:36,708 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 00:29:36,709 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Bitvector.epf [2019-11-26 00:29:36,749 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 00:29:36,752 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 00:29:36,757 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 00:29:36,760 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 00:29:36,760 INFO L138 SettingsManager]: * Use SBE=true [2019-11-26 00:29:36,761 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 00:29:36,761 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-26 00:29:36,762 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 00:29:36,762 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 00:29:36,762 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-11-26 00:29:36,766 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-11-26 00:29:36,766 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-11-26 00:29:36,766 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 00:29:36,767 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-26 00:29:36,767 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-26 00:29:36,768 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-26 00:29:36,768 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 00:29:36,768 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 00:29:36,770 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 00:29:36,770 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 00:29:36,770 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 00:29:36,771 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 00:29:36,771 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 00:29:36,774 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 00:29:36,774 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-26 00:29:36,774 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-26 00:29:36,775 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 00:29:36,775 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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 -> 59552a76d60868057ef515bd7a8a81a51e73eda9 [2019-11-26 00:29:37,357 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 00:29:37,390 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 00:29:37,399 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 00:29:37,404 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 00:29:37,405 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 00:29:37,406 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/busybox-1.22.0/chgrp-incomplete-1.i [2019-11-26 00:29:37,561 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cae5505d7/4888ce276e614a8789b00d99e68c4c6c/FLAGcd0a3c27d [2019-11-26 00:29:39,056 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 00:29:39,058 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/busybox-1.22.0/chgrp-incomplete-1.i [2019-11-26 00:29:39,128 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cae5505d7/4888ce276e614a8789b00d99e68c4c6c/FLAGcd0a3c27d [2019-11-26 00:29:39,168 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cae5505d7/4888ce276e614a8789b00d99e68c4c6c [2019-11-26 00:29:39,178 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 00:29:39,184 INFO L131 ToolchainWalker]: Walking toolchain with 2 elements. [2019-11-26 00:29:39,195 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 00:29:39,196 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 00:29:39,201 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 00:29:39,203 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:29:39" (1/1) ... [2019-11-26 00:29:39,211 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74c3db17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:29:39, skipping insertion in model container [2019-11-26 00:29:39,211 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:29:39" (1/1) ... [2019-11-26 00:29:39,235 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 00:29:39,409 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-26 00:29:42,140 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: xasprintf [2019-11-26 00:29:42,144 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@71565719 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:29:42, skipping insertion in model container [2019-11-26 00:29:42,144 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 00:29:42,145 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2019-11-26 00:29:42,153 INFO L168 Benchmark]: Toolchain (without parser) took 2968.22 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 978.6 MB in the end (delta: -16.9 MB). Peak memory consumption was 27.5 MB. Max. memory is 12.5 GB. [2019-11-26 00:29:42,155 INFO L168 Benchmark]: CDTParser took 2.13 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. [2019-11-26 00:29:42,158 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2949.29 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 978.6 MB in the end (delta: -16.9 MB). Peak memory consumption was 27.5 MB. Max. memory is 12.5 GB. [2019-11-26 00:29:42,165 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.13 ms. Allocated memory is still 1.0 GB. Free memory is still 994.6 MB. There was no memory consumed. Max. memory is 12.5 GB. * CACSL2BoogieTranslator took 2949.29 ms. Allocated memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 65.5 kB). Free memory was 961.7 MB in the beginning and 978.6 MB in the end (delta: -16.9 MB). Peak memory consumption was 27.5 MB. Max. memory is 12.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2330]: Unsupported Syntax encountered a call to a var args function, var args are not supported at the moment: xasprintf RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...