./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 9a8b2e8d 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_1.3.100.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 572b8de07d1f821f0da98e07dc076c6e731e73f0 ......................................................................................................................... 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 -Xmx15G -Xms4m -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 572b8de07d1f821f0da98e07dc076c6e731e73f0 ............................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.25-9a8b2e8 [2020-10-20 06:20:22,349 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-20 06:20:22,352 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-20 06:20:22,374 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-20 06:20:22,375 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-20 06:20:22,376 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-20 06:20:22,377 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-20 06:20:22,379 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-20 06:20:22,381 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-20 06:20:22,381 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-20 06:20:22,382 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-20 06:20:22,383 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-20 06:20:22,384 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-20 06:20:22,385 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-20 06:20:22,386 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-20 06:20:22,387 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-20 06:20:22,387 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-20 06:20:22,388 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-20 06:20:22,390 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-20 06:20:22,392 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-20 06:20:22,393 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-20 06:20:22,394 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-20 06:20:22,395 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-20 06:20:22,396 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-20 06:20:22,399 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-20 06:20:22,399 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-20 06:20:22,399 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-20 06:20:22,400 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-20 06:20:22,400 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-20 06:20:22,401 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-20 06:20:22,402 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 06:20:22,402 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 06:20:22,411 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 06:20:22,411 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 06:20:22,412 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 06:20:22,412 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 06:20:22,413 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 06:20:22,413 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 06:20:22,413 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 06:20:22,415 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 06:20:22,416 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 06:20:22,417 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Default.epf [2020-10-20 06:20:22,462 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 06:20:22,463 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 06:20:22,464 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 06:20:22,466 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 06:20:22,466 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 06:20:22,467 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 06:20:22,467 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-10-20 06:20:22,467 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-20 06:20:22,467 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 06:20:22,468 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-10-20 06:20:22,468 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-10-20 06:20:22,468 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-10-20 06:20:22,470 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-20 06:20:22,470 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-10-20 06:20:22,470 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 06:20:22,471 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 06:20:22,471 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 06:20:22,471 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-20 06:20:22,471 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-20 06:20:22,472 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 06:20:22,472 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 06:20:22,473 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-20 06:20:22,473 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-20 06:20:22,473 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-20 06:20:22,474 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 06:20:22,474 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 -> 572b8de07d1f821f0da98e07dc076c6e731e73f0 [2020-10-20 06:20:22,669 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 06:20:22,682 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 06:20:22,691 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 06:20:22,693 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 06:20:22,693 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 06:20:22,694 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/busybox-1.22.0/chgrp-incomplete-1.i [2020-10-20 06:20:22,747 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dc2326cde/11c63fe6bd0b4830bbe8a707ec416398/FLAGa524f4fd8 [2020-10-20 06:20:23,425 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 06:20:23,428 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/busybox-1.22.0/chgrp-incomplete-1.i [2020-10-20 06:20:23,460 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dc2326cde/11c63fe6bd0b4830bbe8a707ec416398/FLAGa524f4fd8 [2020-10-20 06:20:23,591 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dc2326cde/11c63fe6bd0b4830bbe8a707ec416398 [2020-10-20 06:20:23,593 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 06:20:23,600 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-20 06:20:23,601 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 06:20:23,601 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 06:20:23,604 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 06:20:23,605 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 06:20:23" (1/1) ... [2020-10-20 06:20:23,609 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4be167b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:20:23, skipping insertion in model container [2020-10-20 06:20:23,609 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 06:20:23" (1/1) ... [2020-10-20 06:20:23,617 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 06:20:23,679 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 06:20:24,667 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: xasprintf [2020-10-20 06:20:24,669 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1ebdfedc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:20:24, skipping insertion in model container [2020-10-20 06:20:24,669 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 06:20:24,670 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2020-10-20 06:20:24,674 INFO L168 Benchmark]: Toolchain (without parser) took 1076.86 ms. Allocated memory was 37.7 MB in the beginning and 46.7 MB in the end (delta: 8.9 MB). Free memory was 16.9 MB in the beginning and 16.5 MB in the end (delta: 408.2 kB). Peak memory consumption was 16.7 MB. Max. memory is 14.3 GB. [2020-10-20 06:20:24,675 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 35.7 MB. Free memory was 13.7 MB in the beginning and 13.6 MB in the end (delta: 47.3 kB). Peak memory consumption was 47.3 kB. Max. memory is 14.3 GB. [2020-10-20 06:20:24,677 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1068.81 ms. Allocated memory was 37.7 MB in the beginning and 46.7 MB in the end (delta: 8.9 MB). Free memory was 15.9 MB in the beginning and 16.5 MB in the end (delta: -556.2 kB). Peak memory consumption was 15.7 MB. Max. memory is 14.3 GB. [2020-10-20 06:20:24,682 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 35.7 MB. Free memory was 13.7 MB in the beginning and 13.6 MB in the end (delta: 47.3 kB). Peak memory consumption was 47.3 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 1068.81 ms. Allocated memory was 37.7 MB in the beginning and 46.7 MB in the end (delta: 8.9 MB). Free memory was 15.9 MB in the beginning and 16.5 MB in the end (delta: -556.2 kB). Peak memory consumption was 15.7 MB. Max. memory is 14.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2344]: 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 0.1.25-9a8b2e8 [2020-10-20 06:20:26,459 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-20 06:20:26,461 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-20 06:20:26,485 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-20 06:20:26,485 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-20 06:20:26,487 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-20 06:20:26,499 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-20 06:20:26,501 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-20 06:20:26,505 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-20 06:20:26,506 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-20 06:20:26,507 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-20 06:20:26,511 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-20 06:20:26,511 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-20 06:20:26,512 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-20 06:20:26,513 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-20 06:20:26,514 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-20 06:20:26,515 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-20 06:20:26,516 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-20 06:20:26,517 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-20 06:20:26,519 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-20 06:20:26,520 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-20 06:20:26,521 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-20 06:20:26,522 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-20 06:20:26,523 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-20 06:20:26,525 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-20 06:20:26,525 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-20 06:20:26,526 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-20 06:20:26,527 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-20 06:20:26,527 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-20 06:20:26,528 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-20 06:20:26,528 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 06:20:26,529 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 06:20:26,530 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 06:20:26,531 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 06:20:26,531 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 06:20:26,532 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 06:20:26,533 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 06:20:26,533 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 06:20:26,533 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 06:20:26,534 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 06:20:26,535 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 06:20:26,535 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Bitvector.epf [2020-10-20 06:20:26,559 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 06:20:26,560 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 06:20:26,561 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 06:20:26,561 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 06:20:26,562 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 06:20:26,562 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 06:20:26,562 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-10-20 06:20:26,562 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-20 06:20:26,563 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 06:20:26,563 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-10-20 06:20:26,563 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-10-20 06:20:26,564 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-10-20 06:20:26,564 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-20 06:20:26,564 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-10-20 06:20:26,564 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-10-20 06:20:26,565 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-10-20 06:20:26,565 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 06:20:26,565 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 06:20:26,565 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 06:20:26,566 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-20 06:20:26,566 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-20 06:20:26,566 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 06:20:26,566 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 06:20:26,567 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-20 06:20:26,567 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-10-20 06:20:26,567 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-10-20 06:20:26,567 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 06:20:26,568 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-20 06:20:26,568 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 -> 572b8de07d1f821f0da98e07dc076c6e731e73f0 [2020-10-20 06:20:26,785 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 06:20:26,803 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 06:20:26,808 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 06:20:26,809 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 06:20:26,811 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 06:20:26,811 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/busybox-1.22.0/chgrp-incomplete-1.i [2020-10-20 06:20:26,878 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/76a6d43e9/5544ae283a9b43f6be5823777a473a79/FLAGb76da3a0b [2020-10-20 06:20:27,458 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 06:20:27,460 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/busybox-1.22.0/chgrp-incomplete-1.i [2020-10-20 06:20:27,495 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/76a6d43e9/5544ae283a9b43f6be5823777a473a79/FLAGb76da3a0b [2020-10-20 06:20:27,628 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/76a6d43e9/5544ae283a9b43f6be5823777a473a79 [2020-10-20 06:20:27,632 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 06:20:27,639 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-20 06:20:27,650 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 06:20:27,651 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 06:20:27,654 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 06:20:27,655 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 06:20:27" (1/1) ... [2020-10-20 06:20:27,658 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d011fe1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:20:27, skipping insertion in model container [2020-10-20 06:20:27,659 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 06:20:27" (1/1) ... [2020-10-20 06:20:27,666 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 06:20:27,758 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 06:20:28,938 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: xasprintf [2020-10-20 06:20:28,939 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@70bfc363 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:20:28, skipping insertion in model container [2020-10-20 06:20:28,939 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 06:20:28,940 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2020-10-20 06:20:28,942 INFO L168 Benchmark]: Toolchain (without parser) took 1308.31 ms. Allocated memory was 34.1 MB in the beginning and 46.1 MB in the end (delta: 12.1 MB). Free memory was 6.1 MB in the beginning and 25.0 MB in the end (delta: -18.9 MB). Peak memory consumption was 7.3 MB. Max. memory is 14.3 GB. [2020-10-20 06:20:28,943 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 33.0 MB. Free memory was 17.5 MB in the beginning and 17.5 MB in the end (delta: 38.8 kB). Peak memory consumption was 38.8 kB. Max. memory is 14.3 GB. [2020-10-20 06:20:28,945 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1289.33 ms. Allocated memory was 35.7 MB in the beginning and 46.1 MB in the end (delta: 10.5 MB). Free memory was 17.0 MB in the beginning and 25.0 MB in the end (delta: -8.0 MB). Peak memory consumption was 16.6 MB. Max. memory is 14.3 GB. [2020-10-20 06:20:28,947 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 33.0 MB. Free memory was 17.5 MB in the beginning and 17.5 MB in the end (delta: 38.8 kB). Peak memory consumption was 38.8 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 1289.33 ms. Allocated memory was 35.7 MB in the beginning and 46.1 MB in the end (delta: 10.5 MB). Free memory was 17.0 MB in the beginning and 25.0 MB in the end (delta: -8.0 MB). Peak memory consumption was 16.6 MB. Max. memory is 14.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2344]: 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...