./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/busybox-1.22.0/printf-2.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_2747c283-6b00-43c5-b023-89cda97b59fc/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_2747c283-6b00-43c5-b023-89cda97b59fc/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_2747c283-6b00-43c5-b023-89cda97b59fc/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_2747c283-6b00-43c5-b023-89cda97b59fc/bin/utaipan/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/printf-2.i -s /tmp/vcloud-vcloud-master/worker/run_dir_2747c283-6b00-43c5-b023-89cda97b59fc/bin/utaipan/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_2747c283-6b00-43c5-b023-89cda97b59fc/bin/utaipan --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 Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 960bc5aa42a3b68f012aa0dee90eed8f457f9581 .......................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_2747c283-6b00-43c5-b023-89cda97b59fc/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_2747c283-6b00-43c5-b023-89cda97b59fc/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_2747c283-6b00-43c5-b023-89cda97b59fc/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_2747c283-6b00-43c5-b023-89cda97b59fc/bin/utaipan/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/printf-2.i -s /tmp/vcloud-vcloud-master/worker/run_dir_2747c283-6b00-43c5-b023-89cda97b59fc/bin/utaipan/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_2747c283-6b00-43c5-b023-89cda97b59fc/bin/utaipan --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 Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 960bc5aa42a3b68f012aa0dee90eed8f457f9581 ....................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-28 07:24:21,277 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 07:24:21,284 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 07:24:21,347 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 07:24:21,347 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 07:24:21,349 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 07:24:21,352 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 07:24:21,355 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 07:24:21,358 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 07:24:21,359 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 07:24:21,361 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 07:24:21,363 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 07:24:21,364 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 07:24:21,366 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 07:24:21,367 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 07:24:21,369 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 07:24:21,371 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 07:24:21,372 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 07:24:21,375 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 07:24:21,379 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 07:24:21,381 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 07:24:21,383 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 07:24:21,385 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 07:24:21,386 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 07:24:21,390 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 07:24:21,391 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 07:24:21,391 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 07:24:21,393 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 07:24:21,393 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 07:24:21,395 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 07:24:21,395 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 07:24:21,397 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 07:24:21,398 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 07:24:21,399 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 07:24:21,401 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 07:24:21,401 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 07:24:21,402 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 07:24:21,403 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 07:24:21,403 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 07:24:21,405 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 07:24:21,406 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 07:24:21,407 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_2747c283-6b00-43c5-b023-89cda97b59fc/bin/utaipan/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf [2020-11-28 07:24:21,442 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 07:24:21,444 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 07:24:21,445 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-28 07:24:21,445 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-28 07:24:21,446 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-28 07:24:21,446 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-28 07:24:21,447 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-11-28 07:24:21,447 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-28 07:24:21,448 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-28 07:24:21,448 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-11-28 07:24:21,449 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-11-28 07:24:21,449 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-28 07:24:21,450 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-11-28 07:24:21,450 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-11-28 07:24:21,450 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-11-28 07:24:21,451 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 07:24:21,452 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 07:24:21,452 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 07:24:21,453 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-28 07:24:21,453 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 07:24:21,454 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 07:24:21,454 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-11-28 07:24:21,455 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-11-28 07:24:21,455 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-11-28 07:24:21,455 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 07:24:21,459 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-28 07:24:21,459 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 07:24:21,460 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 07:24:21,460 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 07:24:21,461 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-28 07:24:21,461 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 07:24:21,462 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 07:24:21,462 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 07:24:21,462 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-11-28 07:24:21,463 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 07:24:21,463 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 07:24:21,464 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-28 07:24:21,464 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_2747c283-6b00-43c5-b023-89cda97b59fc/bin/utaipan/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_2747c283-6b00-43c5-b023-89cda97b59fc/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 960bc5aa42a3b68f012aa0dee90eed8f457f9581 [2020-11-28 07:24:21,759 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 07:24:21,801 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 07:24:21,804 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 07:24:21,805 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 07:24:21,811 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 07:24:21,812 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_2747c283-6b00-43c5-b023-89cda97b59fc/bin/utaipan/../../sv-benchmarks/c/busybox-1.22.0/printf-2.i [2020-11-28 07:24:21,891 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_2747c283-6b00-43c5-b023-89cda97b59fc/bin/utaipan/data/24b3030bf/e44c1ae8630248d4aa63b7921e72d86e/FLAG4510e56aa [2020-11-28 07:24:22,623 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 07:24:22,624 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_2747c283-6b00-43c5-b023-89cda97b59fc/sv-benchmarks/c/busybox-1.22.0/printf-2.i [2020-11-28 07:24:22,668 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_2747c283-6b00-43c5-b023-89cda97b59fc/bin/utaipan/data/24b3030bf/e44c1ae8630248d4aa63b7921e72d86e/FLAG4510e56aa [2020-11-28 07:24:22,710 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_2747c283-6b00-43c5-b023-89cda97b59fc/bin/utaipan/data/24b3030bf/e44c1ae8630248d4aa63b7921e72d86e [2020-11-28 07:24:22,713 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 07:24:22,718 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 07:24:22,720 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 07:24:22,720 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 07:24:22,724 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 07:24:22,725 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 07:24:22" (1/1) ... [2020-11-28 07:24:22,727 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a004818 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:24:22, skipping insertion in model container [2020-11-28 07:24:22,728 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 07:24:22" (1/1) ... [2020-11-28 07:24:22,736 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 07:24:22,835 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 07:24:24,345 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_error_msg [2020-11-28 07:24:24,346 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2e9c1b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:24:24, skipping insertion in model container [2020-11-28 07:24:24,346 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 07:24:24,347 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-11-28 07:24:24,349 INFO L168 Benchmark]: Toolchain (without parser) took 1630.08 ms. Allocated memory is still 88.1 MB. Free memory was 63.5 MB in the beginning and 46.8 MB in the end (delta: 16.6 MB). Peak memory consumption was 16.2 MB. Max. memory is 16.1 GB. [2020-11-28 07:24:24,350 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 73.4 MB. Free memory was 52.8 MB in the beginning and 52.7 MB in the end (delta: 28.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 07:24:24,351 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1627.09 ms. Allocated memory is still 88.1 MB. Free memory was 63.2 MB in the beginning and 46.8 MB in the end (delta: 16.4 MB). Peak memory consumption was 16.2 MB. Max. memory is 16.1 GB. [2020-11-28 07:24:24,353 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 73.4 MB. Free memory was 52.8 MB in the beginning and 52.7 MB in the end (delta: 28.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1627.09 ms. Allocated memory is still 88.1 MB. Free memory was 63.2 MB in the beginning and 46.8 MB in the end (delta: 16.4 MB). Peak memory consumption was 16.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2716]: Unsupported Syntax encountered a call to a var args function, var args are not supported at the moment: bb_error_msg RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-a4ecdab [2020-11-28 07:24:26,746 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 07:24:26,749 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 07:24:26,797 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 07:24:26,798 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 07:24:26,802 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 07:24:26,805 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 07:24:26,810 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 07:24:26,813 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 07:24:26,819 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 07:24:26,821 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 07:24:26,825 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 07:24:26,832 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 07:24:26,838 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 07:24:26,839 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 07:24:26,841 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 07:24:26,842 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 07:24:26,845 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 07:24:26,848 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 07:24:26,855 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 07:24:26,858 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 07:24:26,859 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 07:24:26,866 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 07:24:26,867 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 07:24:26,870 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 07:24:26,870 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 07:24:26,871 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 07:24:26,872 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 07:24:26,872 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 07:24:26,873 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 07:24:26,874 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 07:24:26,874 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 07:24:26,875 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 07:24:26,880 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 07:24:26,882 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 07:24:26,882 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 07:24:26,883 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 07:24:26,883 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 07:24:26,883 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 07:24:26,885 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 07:24:26,886 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 07:24:26,886 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_2747c283-6b00-43c5-b023-89cda97b59fc/bin/utaipan/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf [2020-11-28 07:24:26,928 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 07:24:26,928 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 07:24:26,930 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-28 07:24:26,931 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-28 07:24:26,931 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-28 07:24:26,931 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-28 07:24:26,931 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-28 07:24:26,932 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-28 07:24:26,932 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-28 07:24:26,933 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 07:24:26,934 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 07:24:26,934 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 07:24:26,934 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-28 07:24:26,935 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 07:24:26,935 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 07:24:26,935 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-11-28 07:24:26,935 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-11-28 07:24:26,935 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-11-28 07:24:26,936 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 07:24:26,936 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-28 07:24:26,936 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-11-28 07:24:26,936 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-11-28 07:24:26,936 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 07:24:26,937 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 07:24:26,937 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-28 07:24:26,937 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 07:24:26,937 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-28 07:24:26,937 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 07:24:26,938 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 07:24:26,938 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 07:24:26,938 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-11-28 07:24:26,938 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-11-28 07:24:26,938 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 07:24:26,939 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-28 07:24:26,939 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_2747c283-6b00-43c5-b023-89cda97b59fc/bin/utaipan/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_2747c283-6b00-43c5-b023-89cda97b59fc/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 960bc5aa42a3b68f012aa0dee90eed8f457f9581 [2020-11-28 07:24:27,345 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 07:24:27,368 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 07:24:27,371 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 07:24:27,374 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 07:24:27,375 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 07:24:27,376 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_2747c283-6b00-43c5-b023-89cda97b59fc/bin/utaipan/../../sv-benchmarks/c/busybox-1.22.0/printf-2.i [2020-11-28 07:24:27,459 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_2747c283-6b00-43c5-b023-89cda97b59fc/bin/utaipan/data/a33c4b110/a00678a7b6ac4942bff5913656e6d80e/FLAG4f5383f92 [2020-11-28 07:24:28,222 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 07:24:28,222 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_2747c283-6b00-43c5-b023-89cda97b59fc/sv-benchmarks/c/busybox-1.22.0/printf-2.i [2020-11-28 07:24:28,260 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_2747c283-6b00-43c5-b023-89cda97b59fc/bin/utaipan/data/a33c4b110/a00678a7b6ac4942bff5913656e6d80e/FLAG4f5383f92 [2020-11-28 07:24:28,334 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_2747c283-6b00-43c5-b023-89cda97b59fc/bin/utaipan/data/a33c4b110/a00678a7b6ac4942bff5913656e6d80e [2020-11-28 07:24:28,337 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 07:24:28,339 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 07:24:28,343 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 07:24:28,343 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 07:24:28,347 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 07:24:28,348 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 07:24:28" (1/1) ... [2020-11-28 07:24:28,370 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74b167ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:24:28, skipping insertion in model container [2020-11-28 07:24:28,370 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 07:24:28" (1/1) ... [2020-11-28 07:24:28,378 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 07:24:28,477 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 07:24:29,987 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_error_msg [2020-11-28 07:24:29,992 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@66cb5768 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:24:29, skipping insertion in model container [2020-11-28 07:24:29,992 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 07:24:29,993 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-11-28 07:24:29,996 INFO L168 Benchmark]: Toolchain (without parser) took 1654.86 ms. Allocated memory was 50.3 MB in the beginning and 73.4 MB in the end (delta: 23.1 MB). Free memory was 21.7 MB in the beginning and 39.0 MB in the end (delta: -17.3 MB). Peak memory consumption was 5.5 MB. Max. memory is 16.1 GB. [2020-11-28 07:24:29,998 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 50.3 MB. Free memory was 32.3 MB in the beginning and 32.3 MB in the end (delta: 25.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 07:24:29,999 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1649.74 ms. Allocated memory was 50.3 MB in the beginning and 73.4 MB in the end (delta: 23.1 MB). Free memory was 21.4 MB in the beginning and 39.0 MB in the end (delta: -17.6 MB). Peak memory consumption was 5.5 MB. Max. memory is 16.1 GB. [2020-11-28 07:24:30,002 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 50.3 MB. Free memory was 32.3 MB in the beginning and 32.3 MB in the end (delta: 25.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1649.74 ms. Allocated memory was 50.3 MB in the beginning and 73.4 MB in the end (delta: 23.1 MB). Free memory was 21.4 MB in the beginning and 39.0 MB in the end (delta: -17.6 MB). Peak memory consumption was 5.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2716]: Unsupported Syntax encountered a call to a var args function, var args are not supported at the moment: bb_error_msg RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...