./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/busybox-1.22.0/head-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/head-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 04a182629dc69e7b63e910986b3105def9ef9cf6 ......................................................................................................................... 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/head-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 04a182629dc69e7b63e910986b3105def9ef9cf6 ............................................................................................................................ 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 06:20:47,850 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-20 06:20:47,851 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-20 06:20:47,875 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-20 06:20:47,876 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-20 06:20:47,877 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-20 06:20:47,878 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-20 06:20:47,880 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-20 06:20:47,881 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-20 06:20:47,882 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-20 06:20:47,883 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-20 06:20:47,884 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-20 06:20:47,885 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-20 06:20:47,886 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-20 06:20:47,887 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-20 06:20:47,888 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-20 06:20:47,889 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-20 06:20:47,890 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-20 06:20:47,892 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-20 06:20:47,894 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-20 06:20:47,896 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-20 06:20:47,897 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-20 06:20:47,898 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-20 06:20:47,899 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-20 06:20:47,909 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-20 06:20:47,914 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-20 06:20:47,914 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-20 06:20:47,915 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-20 06:20:47,916 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-20 06:20:47,918 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-20 06:20:47,919 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 06:20:47,919 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 06:20:47,922 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 06:20:47,923 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 06:20:47,925 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 06:20:47,926 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 06:20:47,927 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 06:20:47,927 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 06:20:47,927 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 06:20:47,928 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 06:20:47,929 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 06:20:47,931 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Default.epf [2020-10-20 06:20:47,976 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 06:20:47,978 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 06:20:47,979 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 06:20:47,980 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 06:20:47,980 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 06:20:47,980 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 06:20:47,981 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-10-20 06:20:47,981 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-20 06:20:47,981 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 06:20:47,981 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-10-20 06:20:47,982 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-10-20 06:20:47,983 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-10-20 06:20:47,983 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-20 06:20:47,983 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-10-20 06:20:47,984 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 06:20:47,984 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 06:20:47,984 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 06:20:47,984 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-20 06:20:47,985 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-20 06:20:47,985 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 06:20:47,985 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 06:20:47,986 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-20 06:20:47,986 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-20 06:20:47,986 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-20 06:20:47,986 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 06:20:47,987 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 -> 04a182629dc69e7b63e910986b3105def9ef9cf6 [2020-10-20 06:20:48,232 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 06:20:48,243 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 06:20:48,246 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 06:20:48,248 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 06:20:48,249 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 06:20:48,249 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/busybox-1.22.0/head-1.i [2020-10-20 06:20:48,299 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/06aec0a23/d137c887c4b54df1b4b0f2862fae8299/FLAG4f50cf704 [2020-10-20 06:20:48,992 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 06:20:48,994 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/busybox-1.22.0/head-1.i [2020-10-20 06:20:49,045 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/06aec0a23/d137c887c4b54df1b4b0f2862fae8299/FLAG4f50cf704 [2020-10-20 06:20:49,149 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/06aec0a23/d137c887c4b54df1b4b0f2862fae8299 [2020-10-20 06:20:49,153 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 06:20:49,161 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-20 06:20:49,162 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 06:20:49,162 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 06:20:49,166 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 06:20:49,167 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 06:20:49" (1/1) ... [2020-10-20 06:20:49,171 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@251759a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:20:49, skipping insertion in model container [2020-10-20 06:20:49,172 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 06:20:49" (1/1) ... [2020-10-20 06:20:49,180 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 06:20:49,357 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 06:20:50,364 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg [2020-10-20 06:20:50,365 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1fcefcab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:20:50, skipping insertion in model container [2020-10-20 06:20:50,365 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 06:20:50,365 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2020-10-20 06:20:50,368 INFO L168 Benchmark]: Toolchain (without parser) took 1212.33 ms. Allocated memory was 36.7 MB in the beginning and 47.2 MB in the end (delta: 10.5 MB). Free memory was 13.5 MB in the beginning and 22.0 MB in the end (delta: -8.5 MB). Peak memory consumption was 13.4 MB. Max. memory is 14.3 GB. [2020-10-20 06:20:50,370 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 34.6 MB. Free memory was 11.3 MB in the beginning and 11.3 MB in the end (delta: 45.6 kB). Peak memory consumption was 45.6 kB. Max. memory is 14.3 GB. [2020-10-20 06:20:50,371 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1203.24 ms. Allocated memory was 36.7 MB in the beginning and 47.2 MB in the end (delta: 10.5 MB). Free memory was 12.6 MB in the beginning and 22.0 MB in the end (delta: -9.4 MB). Peak memory consumption was 12.5 MB. Max. memory is 14.3 GB. [2020-10-20 06:20:50,373 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 34.6 MB. Free memory was 11.3 MB in the beginning and 11.3 MB in the end (delta: 45.6 kB). Peak memory consumption was 45.6 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 1203.24 ms. Allocated memory was 36.7 MB in the beginning and 47.2 MB in the end (delta: 10.5 MB). Free memory was 12.6 MB in the beginning and 22.0 MB in the end (delta: -9.4 MB). Peak memory consumption was 12.5 MB. Max. memory is 14.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2308]: Unsupported Syntax encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.25-9a8b2e8 [2020-10-20 06:20:52,196 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-20 06:20:52,200 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-20 06:20:52,244 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-20 06:20:52,245 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-20 06:20:52,257 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-20 06:20:52,259 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-20 06:20:52,269 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-20 06:20:52,271 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-20 06:20:52,273 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-20 06:20:52,274 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-20 06:20:52,275 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-20 06:20:52,277 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-20 06:20:52,280 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-20 06:20:52,282 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-20 06:20:52,283 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-20 06:20:52,284 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-20 06:20:52,286 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-20 06:20:52,288 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-20 06:20:52,289 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-20 06:20:52,291 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-20 06:20:52,292 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-20 06:20:52,293 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-20 06:20:52,294 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-20 06:20:52,296 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-20 06:20:52,296 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-20 06:20:52,296 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-20 06:20:52,297 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-20 06:20:52,298 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-20 06:20:52,299 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-20 06:20:52,299 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 06:20:52,300 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 06:20:52,300 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 06:20:52,301 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 06:20:52,302 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 06:20:52,302 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 06:20:52,303 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 06:20:52,304 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 06:20:52,304 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 06:20:52,305 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 06:20:52,306 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 06:20:52,307 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Bitvector.epf [2020-10-20 06:20:52,350 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 06:20:52,351 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 06:20:52,352 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 06:20:52,353 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 06:20:52,353 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 06:20:52,353 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 06:20:52,353 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-10-20 06:20:52,354 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-20 06:20:52,354 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 06:20:52,354 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-10-20 06:20:52,355 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-10-20 06:20:52,356 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-10-20 06:20:52,356 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-20 06:20:52,356 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-10-20 06:20:52,357 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-10-20 06:20:52,357 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-10-20 06:20:52,357 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 06:20:52,357 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 06:20:52,357 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 06:20:52,358 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-20 06:20:52,358 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-20 06:20:52,358 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 06:20:52,358 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 06:20:52,359 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-20 06:20:52,359 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-10-20 06:20:52,359 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-10-20 06:20:52,359 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 06:20:52,360 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-20 06:20:52,360 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 -> 04a182629dc69e7b63e910986b3105def9ef9cf6 [2020-10-20 06:20:52,560 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 06:20:52,572 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 06:20:52,576 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 06:20:52,577 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 06:20:52,578 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 06:20:52,578 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/busybox-1.22.0/head-1.i [2020-10-20 06:20:52,636 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ac3471a09/fac5f5453b3344d98e709969a2fb8c57/FLAGe856ebe39 [2020-10-20 06:20:53,276 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 06:20:53,276 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/busybox-1.22.0/head-1.i [2020-10-20 06:20:53,316 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ac3471a09/fac5f5453b3344d98e709969a2fb8c57/FLAGe856ebe39 [2020-10-20 06:20:53,412 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ac3471a09/fac5f5453b3344d98e709969a2fb8c57 [2020-10-20 06:20:53,415 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 06:20:53,421 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-20 06:20:53,422 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 06:20:53,422 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 06:20:53,425 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 06:20:53,426 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 06:20:53" (1/1) ... [2020-10-20 06:20:53,429 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f8084a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:20:53, skipping insertion in model container [2020-10-20 06:20:53,429 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 06:20:53" (1/1) ... [2020-10-20 06:20:53,539 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 06:20:53,625 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 06:20:54,492 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg [2020-10-20 06:20:54,493 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@7b156129 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:20:54, skipping insertion in model container [2020-10-20 06:20:54,493 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 06:20:54,494 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2020-10-20 06:20:54,496 INFO L168 Benchmark]: Toolchain (without parser) took 1078.76 ms. Allocated memory was 34.1 MB in the beginning and 45.1 MB in the end (delta: 11.0 MB). Free memory was 6.2 MB in the beginning and 23.2 MB in the end (delta: -17.0 MB). Peak memory consumption was 7.5 MB. Max. memory is 14.3 GB. [2020-10-20 06:20:54,497 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 33.0 MB. Free memory was 18.0 MB in the beginning and 18.0 MB in the end (delta: 27.2 kB). Peak memory consumption was 27.2 kB. Max. memory is 14.3 GB. [2020-10-20 06:20:54,499 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1071.68 ms. Allocated memory was 34.1 MB in the beginning and 45.1 MB in the end (delta: 11.0 MB). Free memory was 5.3 MB in the beginning and 23.5 MB in the end (delta: -18.2 MB). Peak memory consumption was 6.6 MB. Max. memory is 14.3 GB. [2020-10-20 06:20:54,501 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 18.0 MB in the beginning and 18.0 MB in the end (delta: 27.2 kB). Peak memory consumption was 27.2 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 1071.68 ms. Allocated memory was 34.1 MB in the beginning and 45.1 MB in the end (delta: 11.0 MB). Free memory was 5.3 MB in the beginning and 23.5 MB in the end (delta: -18.2 MB). Peak memory consumption was 6.6 MB. Max. memory is 14.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2308]: Unsupported Syntax encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...