./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/busybox-1.22.0/head-2.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-2.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 b79aacc29dd77438a6f4b408e2ec5d28d2c8b660 ......................................................................................................................... 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-2.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 b79aacc29dd77438a6f4b408e2ec5d28d2c8b660 ............................................................................................................................ 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 06:20:48,001 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-20 06:20:48,003 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-20 06:20:48,028 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-20 06:20:48,028 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-20 06:20:48,030 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-20 06:20:48,031 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-20 06:20:48,033 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-20 06:20:48,035 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-20 06:20:48,036 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-20 06:20:48,037 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-20 06:20:48,038 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-20 06:20:48,038 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-20 06:20:48,040 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-20 06:20:48,041 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-20 06:20:48,042 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-20 06:20:48,043 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-20 06:20:48,044 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-20 06:20:48,046 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-20 06:20:48,048 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-20 06:20:48,050 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-20 06:20:48,052 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-20 06:20:48,053 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-20 06:20:48,054 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-20 06:20:48,057 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-20 06:20:48,058 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-20 06:20:48,058 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-20 06:20:48,059 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-20 06:20:48,060 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-20 06:20:48,061 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-20 06:20:48,061 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 06:20:48,062 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 06:20:48,063 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 06:20:48,064 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 06:20:48,065 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 06:20:48,065 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 06:20:48,066 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 06:20:48,066 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 06:20:48,067 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 06:20:48,068 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 06:20:48,068 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 06:20:48,069 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Default.epf [2020-10-20 06:20:48,107 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 06:20:48,108 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 06:20:48,109 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 06:20:48,109 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 06:20:48,110 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 06:20:48,110 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 06:20:48,110 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-10-20 06:20:48,111 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-20 06:20:48,111 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 06:20:48,111 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-10-20 06:20:48,111 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-10-20 06:20:48,111 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-10-20 06:20:48,112 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-20 06:20:48,112 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-10-20 06:20:48,112 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 06:20:48,112 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 06:20:48,113 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 06:20:48,113 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-20 06:20:48,113 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-20 06:20:48,113 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 06:20:48,114 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 06:20:48,114 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-20 06:20:48,114 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-20 06:20:48,115 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-20 06:20:48,115 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 06:20:48,115 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 -> b79aacc29dd77438a6f4b408e2ec5d28d2c8b660 [2020-10-20 06:20:48,319 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 06:20:48,332 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 06:20:48,336 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 06:20:48,338 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 06:20:48,338 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 06:20:48,339 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/busybox-1.22.0/head-2.i [2020-10-20 06:20:48,414 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/68a664bdb/c0fc64d854014705baf1d894db1f22ac/FLAGca5e78c07 [2020-10-20 06:20:49,148 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 06:20:49,149 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/busybox-1.22.0/head-2.i [2020-10-20 06:20:49,184 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/68a664bdb/c0fc64d854014705baf1d894db1f22ac/FLAGca5e78c07 [2020-10-20 06:20:49,286 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/68a664bdb/c0fc64d854014705baf1d894db1f22ac [2020-10-20 06:20:49,290 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 06:20:49,307 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-20 06:20:49,308 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 06:20:49,309 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 06:20:49,312 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 06:20:49,313 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 06:20:49" (1/1) ... [2020-10-20 06:20:49,316 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@88525bb 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 06:20:49,316 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 06:20:49" (1/1) ... [2020-10-20 06:20:49,324 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 06:20:49,393 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 06:20:50,443 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 06:20:50,444 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5caca95 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 06:20:50,444 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 06:20:50,444 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2020-10-20 06:20:50,448 INFO L168 Benchmark]: Toolchain (without parser) took 1155.09 ms. Allocated memory was 36.7 MB in the beginning and 48.2 MB in the end (delta: 11.5 MB). Free memory was 6.7 MB in the beginning and 17.7 MB in the end (delta: -11.0 MB). Peak memory consumption was 8.1 MB. Max. memory is 14.3 GB. [2020-10-20 06:20:50,449 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 36.2 MB. Free memory was 15.5 MB in the beginning and 15.5 MB in the end (delta: 50.4 kB). Peak memory consumption was 50.4 kB. Max. memory is 14.3 GB. [2020-10-20 06:20:50,450 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1135.86 ms. Allocated memory was 39.3 MB in the beginning and 48.2 MB in the end (delta: 8.9 MB). Free memory was 19.8 MB in the beginning and 17.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 18.6 MB. Max. memory is 14.3 GB. [2020-10-20 06:20:50,453 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 36.2 MB. Free memory was 15.5 MB in the beginning and 15.5 MB in the end (delta: 50.4 kB). Peak memory consumption was 50.4 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 1135.86 ms. Allocated memory was 39.3 MB in the beginning and 48.2 MB in the end (delta: 8.9 MB). Free memory was 19.8 MB in the beginning and 17.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 18.6 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... ### Bit-precise run ### This is Ultimate 0.1.25-9a8b2e8 [2020-10-20 06:20:52,354 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-20 06:20:52,357 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-20 06:20:52,399 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-20 06:20:52,399 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-20 06:20:52,410 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-20 06:20:52,412 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-20 06:20:52,416 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-20 06:20:52,419 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-20 06:20:52,423 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-20 06:20:52,425 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-20 06:20:52,426 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-20 06:20:52,427 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-20 06:20:52,430 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-20 06:20:52,432 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-20 06:20:52,434 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-20 06:20:52,435 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-20 06:20:52,436 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-20 06:20:52,438 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-20 06:20:52,452 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-20 06:20:52,454 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-20 06:20:52,455 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-20 06:20:52,457 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-20 06:20:52,458 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-20 06:20:52,471 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-20 06:20:52,471 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-20 06:20:52,471 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-20 06:20:52,474 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-20 06:20:52,474 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-20 06:20:52,477 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-20 06:20:52,477 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 06:20:52,478 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 06:20:52,482 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 06:20:52,483 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 06:20:52,483 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 06:20:52,484 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 06:20:52,484 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 06:20:52,486 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 06:20:52,486 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 06:20:52,487 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 06:20:52,492 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 06:20:52,493 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Bitvector.epf [2020-10-20 06:20:52,530 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 06:20:52,530 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 06:20:52,532 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 06:20:52,532 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 06:20:52,532 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 06:20:52,533 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 06:20:52,533 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-10-20 06:20:52,533 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-20 06:20:52,533 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 06:20:52,534 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-10-20 06:20:52,535 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-10-20 06:20:52,535 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-10-20 06:20:52,535 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-20 06:20:52,536 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-10-20 06:20:52,536 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-10-20 06:20:52,536 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-10-20 06:20:52,536 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 06:20:52,537 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 06:20:52,537 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 06:20:52,537 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-20 06:20:52,538 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-20 06:20:52,538 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 06:20:52,538 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 06:20:52,538 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-20 06:20:52,539 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-10-20 06:20:52,539 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-10-20 06:20:52,539 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 06:20:52,540 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-20 06:20:52,540 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 -> b79aacc29dd77438a6f4b408e2ec5d28d2c8b660 [2020-10-20 06:20:52,774 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 06:20:52,787 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 06:20:52,791 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 06:20:52,792 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 06:20:52,793 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 06:20:52,794 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/busybox-1.22.0/head-2.i [2020-10-20 06:20:52,879 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fd6e05416/5a550e50fe1f475c859f3a6aa359b5c9/FLAGb90c596f6 [2020-10-20 06:20:53,540 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 06:20:53,541 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/busybox-1.22.0/head-2.i [2020-10-20 06:20:53,577 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fd6e05416/5a550e50fe1f475c859f3a6aa359b5c9/FLAGb90c596f6 [2020-10-20 06:20:53,699 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fd6e05416/5a550e50fe1f475c859f3a6aa359b5c9 [2020-10-20 06:20:53,703 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 06:20:53,710 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-20 06:20:53,711 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 06:20:53,711 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 06:20:53,715 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 06:20:53,715 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 06:20:53" (1/1) ... [2020-10-20 06:20:53,718 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@223921b9 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 06:20:53,719 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 06:20:53" (1/1) ... [2020-10-20 06:20:53,727 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 06:20:53,918 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 06:20:54,932 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 06:20:54,933 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@86e3813 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 06:20:54,934 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 06:20:54,934 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2020-10-20 06:20:54,937 INFO L168 Benchmark]: Toolchain (without parser) took 1232.13 ms. Allocated memory was 35.7 MB in the beginning and 45.1 MB in the end (delta: 9.4 MB). Free memory was 10.8 MB in the beginning and 16.5 MB in the end (delta: -5.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 14.3 GB. [2020-10-20 06:20:54,939 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 34.1 MB. Free memory was 9.8 MB in the beginning and 9.8 MB in the end (delta: 45.8 kB). Peak memory consumption was 45.8 kB. Max. memory is 14.3 GB. [2020-10-20 06:20:54,940 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1223.54 ms. Allocated memory was 35.7 MB in the beginning and 45.1 MB in the end (delta: 9.4 MB). Free memory was 10.0 MB in the beginning and 16.5 MB in the end (delta: -6.5 MB). Peak memory consumption was 9.7 MB. Max. memory is 14.3 GB. [2020-10-20 06:20:54,942 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 34.1 MB. Free memory was 9.8 MB in the beginning and 9.8 MB in the end (delta: 45.8 kB). Peak memory consumption was 45.8 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 1223.54 ms. Allocated memory was 35.7 MB in the beginning and 45.1 MB in the end (delta: 9.4 MB). Free memory was 10.0 MB in the beginning and 16.5 MB in the end (delta: -6.5 MB). Peak memory consumption was 9.7 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...