./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/busybox-1.22.0/rm-1.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 906a4fb5 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/rm-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 73f7d8dd05e7d479e93fa429fdfb3e46150c6d0c ......................................................................................................................... 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/rm-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 73f7d8dd05e7d479e93fa429fdfb3e46150c6d0c ............................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.25-906a4fb [2020-10-19 18:28:15,513 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-19 18:28:15,515 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-19 18:28:15,554 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-19 18:28:15,555 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-19 18:28:15,564 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-19 18:28:15,567 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-19 18:28:15,571 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-19 18:28:15,574 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-19 18:28:15,577 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-19 18:28:15,578 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-19 18:28:15,580 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-19 18:28:15,580 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-19 18:28:15,584 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-19 18:28:15,585 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-19 18:28:15,587 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-19 18:28:15,589 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-19 18:28:15,590 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-19 18:28:15,593 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-19 18:28:15,600 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-19 18:28:15,602 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-19 18:28:15,604 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-19 18:28:15,606 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-19 18:28:15,607 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-19 18:28:15,619 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-19 18:28:15,623 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-19 18:28:15,623 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-19 18:28:15,624 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-19 18:28:15,625 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-19 18:28:15,627 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-19 18:28:15,629 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-19 18:28:15,630 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-19 18:28:15,632 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-19 18:28:15,635 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-19 18:28:15,636 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-19 18:28:15,638 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-19 18:28:15,639 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-19 18:28:15,639 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-19 18:28:15,639 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-19 18:28:15,640 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-19 18:28:15,641 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-19 18:28:15,643 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Default.epf [2020-10-19 18:28:15,682 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-19 18:28:15,683 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-19 18:28:15,684 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-19 18:28:15,685 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-19 18:28:15,685 INFO L138 SettingsManager]: * Use SBE=true [2020-10-19 18:28:15,685 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-19 18:28:15,686 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-10-19 18:28:15,686 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-19 18:28:15,686 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-19 18:28:15,686 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-10-19 18:28:15,688 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-10-19 18:28:15,688 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-10-19 18:28:15,688 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-19 18:28:15,689 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-10-19 18:28:15,689 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-19 18:28:15,690 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-19 18:28:15,690 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-19 18:28:15,691 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-19 18:28:15,692 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-19 18:28:15,693 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-19 18:28:15,694 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-19 18:28:15,695 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-19 18:28:15,696 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-19 18:28:15,698 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-19 18:28:15,698 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-19 18:28:15,698 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 -> 73f7d8dd05e7d479e93fa429fdfb3e46150c6d0c [2020-10-19 18:28:16,010 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-19 18:28:16,022 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-19 18:28:16,026 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-19 18:28:16,028 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-19 18:28:16,028 INFO L275 PluginConnector]: CDTParser initialized [2020-10-19 18:28:16,029 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/busybox-1.22.0/rm-1.i [2020-10-19 18:28:16,104 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ff62b36aa/e874a55f1cda44039a111be93a320d5e/FLAG8f582fc35 [2020-10-19 18:28:16,886 INFO L306 CDTParser]: Found 1 translation units. [2020-10-19 18:28:16,886 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/busybox-1.22.0/rm-1.i [2020-10-19 18:28:16,914 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ff62b36aa/e874a55f1cda44039a111be93a320d5e/FLAG8f582fc35 [2020-10-19 18:28:16,947 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ff62b36aa/e874a55f1cda44039a111be93a320d5e [2020-10-19 18:28:16,951 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-19 18:28:16,958 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-19 18:28:16,959 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-19 18:28:16,959 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-19 18:28:16,963 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-19 18:28:16,964 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 06:28:16" (1/1) ... [2020-10-19 18:28:16,967 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f26085 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:28:16, skipping insertion in model container [2020-10-19 18:28:16,968 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 06:28:16" (1/1) ... [2020-10-19 18:28:16,976 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-19 18:28:17,076 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-19 18:28:18,536 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: xasprintf [2020-10-19 18:28:18,537 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5dcc6d46 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:28:18, skipping insertion in model container [2020-10-19 18:28:18,537 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-19 18:28:18,538 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2020-10-19 18:28:18,541 INFO L168 Benchmark]: Toolchain (without parser) took 1586.92 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.8 MB). Free memory was 953.2 MB in the beginning and 1.1 GB in the end (delta: -157.4 MB). Peak memory consumption was 33.3 MB. Max. memory is 11.5 GB. [2020-10-19 18:28:18,542 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-10-19 18:28:18,544 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1578.34 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.8 MB). Free memory was 947.9 MB in the beginning and 1.1 GB in the end (delta: -162.8 MB). Peak memory consumption was 28.0 MB. Max. memory is 11.5 GB. [2020-10-19 18:28:18,548 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 1578.34 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.8 MB). Free memory was 947.9 MB in the beginning and 1.1 GB in the end (delta: -162.8 MB). Peak memory consumption was 28.0 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2721]: 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 0.1.25-906a4fb [2020-10-19 18:28:20,353 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-19 18:28:20,356 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-19 18:28:20,399 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-19 18:28:20,400 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-19 18:28:20,412 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-19 18:28:20,413 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-19 18:28:20,415 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-19 18:28:20,418 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-19 18:28:20,420 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-19 18:28:20,422 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-19 18:28:20,424 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-19 18:28:20,425 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-19 18:28:20,428 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-19 18:28:20,429 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-19 18:28:20,430 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-19 18:28:20,431 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-19 18:28:20,432 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-19 18:28:20,433 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-19 18:28:20,435 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-19 18:28:20,437 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-19 18:28:20,438 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-19 18:28:20,439 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-19 18:28:20,440 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-19 18:28:20,442 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-19 18:28:20,443 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-19 18:28:20,443 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-19 18:28:20,444 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-19 18:28:20,445 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-19 18:28:20,446 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-19 18:28:20,446 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-19 18:28:20,447 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-19 18:28:20,447 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-19 18:28:20,448 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-19 18:28:20,449 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-19 18:28:20,450 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-19 18:28:20,450 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-19 18:28:20,451 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-19 18:28:20,451 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-19 18:28:20,452 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-19 18:28:20,453 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-19 18:28:20,454 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Bitvector.epf [2020-10-19 18:28:20,477 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-19 18:28:20,477 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-19 18:28:20,478 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-19 18:28:20,479 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-19 18:28:20,479 INFO L138 SettingsManager]: * Use SBE=true [2020-10-19 18:28:20,480 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-19 18:28:20,480 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-10-19 18:28:20,480 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-19 18:28:20,480 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-19 18:28:20,481 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-10-19 18:28:20,481 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-10-19 18:28:20,481 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-10-19 18:28:20,482 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-19 18:28:20,482 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-10-19 18:28:20,482 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-10-19 18:28:20,483 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-10-19 18:28:20,483 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-19 18:28:20,483 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-19 18:28:20,483 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-19 18:28:20,484 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-19 18:28:20,484 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-19 18:28:20,484 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-19 18:28:20,485 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-19 18:28:20,485 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-19 18:28:20,485 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-10-19 18:28:20,486 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-10-19 18:28:20,486 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-19 18:28:20,486 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-19 18:28:20,487 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 -> 73f7d8dd05e7d479e93fa429fdfb3e46150c6d0c [2020-10-19 18:28:20,815 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-19 18:28:20,827 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-19 18:28:20,831 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-19 18:28:20,832 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-19 18:28:20,833 INFO L275 PluginConnector]: CDTParser initialized [2020-10-19 18:28:20,834 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/busybox-1.22.0/rm-1.i [2020-10-19 18:28:20,908 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4617aa646/7ac1bcac7a494d12b41b225140e23188/FLAGae15ddc88 [2020-10-19 18:28:21,609 INFO L306 CDTParser]: Found 1 translation units. [2020-10-19 18:28:21,610 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/busybox-1.22.0/rm-1.i [2020-10-19 18:28:21,647 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4617aa646/7ac1bcac7a494d12b41b225140e23188/FLAGae15ddc88 [2020-10-19 18:28:21,668 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4617aa646/7ac1bcac7a494d12b41b225140e23188 [2020-10-19 18:28:21,673 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-19 18:28:21,680 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-19 18:28:21,682 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-19 18:28:21,682 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-19 18:28:21,686 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-19 18:28:21,687 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 06:28:21" (1/1) ... [2020-10-19 18:28:21,690 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@147a56be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:28:21, skipping insertion in model container [2020-10-19 18:28:21,691 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 06:28:21" (1/1) ... [2020-10-19 18:28:21,700 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-19 18:28:21,787 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-19 18:28:23,307 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: xasprintf [2020-10-19 18:28:23,308 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2ad5d717 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:28:23, skipping insertion in model container [2020-10-19 18:28:23,309 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-19 18:28:23,309 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2020-10-19 18:28:23,313 INFO L168 Benchmark]: Toolchain (without parser) took 1637.07 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 125.8 MB). Free memory was 949.2 MB in the beginning and 1.1 GB in the end (delta: -135.8 MB). Peak memory consumption was 38.8 MB. Max. memory is 11.5 GB. [2020-10-19 18:28:23,314 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-10-19 18:28:23,315 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1627.63 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 125.8 MB). Free memory was 943.9 MB in the beginning and 1.1 GB in the end (delta: -141.1 MB). Peak memory consumption was 33.4 MB. Max. memory is 11.5 GB. [2020-10-19 18:28:23,317 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 1627.63 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 125.8 MB). Free memory was 943.9 MB in the beginning and 1.1 GB in the end (delta: -141.1 MB). Peak memory consumption was 33.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2721]: 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...