./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/busybox-1.22.0/chgrp-incomplete-1.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_4a20648c-326b-4a69-9900-b589d6db74fa/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_4a20648c-326b-4a69-9900-b589d6db74fa/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_4a20648c-326b-4a69-9900-b589d6db74fa/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_4a20648c-326b-4a69-9900-b589d6db74fa/bin/ukojak/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/chgrp-incomplete-1.i -s /tmp/vcloud-vcloud-master/worker/run_dir_4a20648c-326b-4a69-9900-b589d6db74fa/bin/ukojak/config/svcomp-DerefFreeMemtrack-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_4a20648c-326b-4a69-9900-b589d6db74fa/bin/ukojak --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 Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 572b8de07d1f821f0da98e07dc076c6e731e73f0 ........................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_4a20648c-326b-4a69-9900-b589d6db74fa/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_4a20648c-326b-4a69-9900-b589d6db74fa/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_4a20648c-326b-4a69-9900-b589d6db74fa/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_4a20648c-326b-4a69-9900-b589d6db74fa/bin/ukojak/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/chgrp-incomplete-1.i -s /tmp/vcloud-vcloud-master/worker/run_dir_4a20648c-326b-4a69-9900-b589d6db74fa/bin/ukojak/config/svcomp-DerefFreeMemtrack-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_4a20648c-326b-4a69-9900-b589d6db74fa/bin/ukojak --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 Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 572b8de07d1f821f0da98e07dc076c6e731e73f0 ................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-28 04:42:20,305 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 04:42:20,307 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 04:42:20,399 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 04:42:20,402 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 04:42:20,403 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 04:42:20,414 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 04:42:20,416 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 04:42:20,419 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 04:42:20,420 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 04:42:20,422 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 04:42:20,424 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 04:42:20,424 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 04:42:20,426 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 04:42:20,427 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 04:42:20,429 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 04:42:20,430 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 04:42:20,432 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 04:42:20,434 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 04:42:20,436 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 04:42:20,439 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 04:42:20,440 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 04:42:20,443 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 04:42:20,444 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 04:42:20,452 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 04:42:20,452 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 04:42:20,453 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 04:42:20,455 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 04:42:20,456 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 04:42:20,463 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 04:42:20,463 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 04:42:20,464 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 04:42:20,466 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 04:42:20,468 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 04:42:20,469 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 04:42:20,469 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 04:42:20,470 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 04:42:20,471 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 04:42:20,471 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 04:42:20,472 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 04:42:20,473 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 04:42:20,475 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_4a20648c-326b-4a69-9900-b589d6db74fa/bin/ukojak/config/svcomp-DerefFreeMemtrack-64bit-Kojak_Default.epf [2020-11-28 04:42:20,511 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 04:42:20,512 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 04:42:20,513 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 04:42:20,513 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 04:42:20,513 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 04:42:20,513 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-28 04:42:20,513 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 04:42:20,514 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 04:42:20,514 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-11-28 04:42:20,514 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-11-28 04:42:20,514 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-11-28 04:42:20,514 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 04:42:20,514 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 04:42:20,515 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-11-28 04:42:20,515 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-11-28 04:42:20,515 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 04:42:20,515 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 04:42:20,515 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-28 04:42:20,516 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 04:42:20,516 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 04:42:20,516 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-11-28 04:42:20,516 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 04:42:20,516 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_4a20648c-326b-4a69-9900-b589d6db74fa/bin/ukojak/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_4a20648c-326b-4a69-9900-b589d6db74fa/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 572b8de07d1f821f0da98e07dc076c6e731e73f0 [2020-11-28 04:42:20,846 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 04:42:20,875 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 04:42:20,878 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 04:42:20,879 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 04:42:20,882 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 04:42:20,883 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_4a20648c-326b-4a69-9900-b589d6db74fa/bin/ukojak/../../sv-benchmarks/c/busybox-1.22.0/chgrp-incomplete-1.i [2020-11-28 04:42:20,985 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_4a20648c-326b-4a69-9900-b589d6db74fa/bin/ukojak/data/d1379dc0a/eab44559c84544ee85cb8fa82ca40e37/FLAG6d4dacffb [2020-11-28 04:42:21,691 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 04:42:21,692 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_4a20648c-326b-4a69-9900-b589d6db74fa/sv-benchmarks/c/busybox-1.22.0/chgrp-incomplete-1.i [2020-11-28 04:42:21,716 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_4a20648c-326b-4a69-9900-b589d6db74fa/bin/ukojak/data/d1379dc0a/eab44559c84544ee85cb8fa82ca40e37/FLAG6d4dacffb [2020-11-28 04:42:21,852 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_4a20648c-326b-4a69-9900-b589d6db74fa/bin/ukojak/data/d1379dc0a/eab44559c84544ee85cb8fa82ca40e37 [2020-11-28 04:42:21,855 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 04:42:21,857 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 04:42:21,861 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 04:42:21,861 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 04:42:21,863 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 04:42:21,864 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:42:21" (1/1) ... [2020-11-28 04:42:21,871 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e88c96d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:42:21, skipping insertion in model container [2020-11-28 04:42:21,871 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:42:21" (1/1) ... [2020-11-28 04:42:21,877 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 04:42:21,941 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 04:42:22,977 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: xasprintf [2020-11-28 04:42:22,978 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@50cde290 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:42:22, skipping insertion in model container [2020-11-28 04:42:22,978 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 04:42:22,979 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-11-28 04:42:22,981 INFO L168 Benchmark]: Toolchain (without parser) took 1123.11 ms. Allocated memory is still 151.0 MB. Free memory was 119.5 MB in the beginning and 116.9 MB in the end (delta: 2.6 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2020-11-28 04:42:22,982 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 81.8 MB. Free memory is still 40.8 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 04:42:22,983 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1117.90 ms. Allocated memory is still 151.0 MB. Free memory was 119.2 MB in the beginning and 116.9 MB in the end (delta: 2.3 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-11-28 04:42:22,984 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 81.8 MB. Free memory is still 40.8 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1117.90 ms. Allocated memory is still 151.0 MB. Free memory was 119.2 MB in the beginning and 116.9 MB in the end (delta: 2.3 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2344]: Unsupported Syntax encountered a call to a var args function, var args are not supported at the moment: xasprintf RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-a4ecdab [2020-11-28 04:42:25,380 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 04:42:25,384 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 04:42:25,435 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 04:42:25,436 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 04:42:25,441 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 04:42:25,444 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 04:42:25,449 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 04:42:25,453 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 04:42:25,459 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 04:42:25,460 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 04:42:25,475 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 04:42:25,475 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 04:42:25,479 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 04:42:25,483 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 04:42:25,485 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 04:42:25,486 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 04:42:25,489 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 04:42:25,493 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 04:42:25,501 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 04:42:25,503 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 04:42:25,505 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 04:42:25,507 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 04:42:25,515 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 04:42:25,522 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 04:42:25,525 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 04:42:25,526 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 04:42:25,528 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 04:42:25,528 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 04:42:25,530 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 04:42:25,530 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 04:42:25,531 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 04:42:25,533 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 04:42:25,534 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 04:42:25,536 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 04:42:25,536 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 04:42:25,537 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 04:42:25,537 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 04:42:25,538 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 04:42:25,540 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 04:42:25,540 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 04:42:25,541 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_4a20648c-326b-4a69-9900-b589d6db74fa/bin/ukojak/config/svcomp-DerefFreeMemtrack-64bit-Kojak_Bitvector.epf [2020-11-28 04:42:25,586 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 04:42:25,586 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 04:42:25,590 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 04:42:25,590 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 04:42:25,590 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 04:42:25,590 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-28 04:42:25,591 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 04:42:25,591 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 04:42:25,591 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-11-28 04:42:25,592 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-11-28 04:42:25,593 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-11-28 04:42:25,593 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 04:42:25,593 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-28 04:42:25,594 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-11-28 04:42:25,594 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-11-28 04:42:25,594 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 04:42:25,594 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-11-28 04:42:25,595 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-11-28 04:42:25,595 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 04:42:25,595 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 04:42:25,595 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-28 04:42:25,596 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 04:42:25,596 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 04:42:25,596 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-11-28 04:42:25,596 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-11-28 04:42:25,597 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2020-11-28 04:42:25,597 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-28 04:42:25,597 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_4a20648c-326b-4a69-9900-b589d6db74fa/bin/ukojak/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_4a20648c-326b-4a69-9900-b589d6db74fa/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 572b8de07d1f821f0da98e07dc076c6e731e73f0 [2020-11-28 04:42:25,993 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 04:42:26,015 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 04:42:26,018 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 04:42:26,019 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 04:42:26,020 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 04:42:26,021 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_4a20648c-326b-4a69-9900-b589d6db74fa/bin/ukojak/../../sv-benchmarks/c/busybox-1.22.0/chgrp-incomplete-1.i [2020-11-28 04:42:26,110 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_4a20648c-326b-4a69-9900-b589d6db74fa/bin/ukojak/data/5f59340af/58a6e069530b4cf1bdb30bd0ff390c27/FLAG1beab12a0 [2020-11-28 04:42:26,932 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 04:42:26,933 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_4a20648c-326b-4a69-9900-b589d6db74fa/sv-benchmarks/c/busybox-1.22.0/chgrp-incomplete-1.i [2020-11-28 04:42:26,972 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_4a20648c-326b-4a69-9900-b589d6db74fa/bin/ukojak/data/5f59340af/58a6e069530b4cf1bdb30bd0ff390c27/FLAG1beab12a0 [2020-11-28 04:42:27,023 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_4a20648c-326b-4a69-9900-b589d6db74fa/bin/ukojak/data/5f59340af/58a6e069530b4cf1bdb30bd0ff390c27 [2020-11-28 04:42:27,027 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 04:42:27,030 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 04:42:27,034 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 04:42:27,034 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 04:42:27,039 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 04:42:27,040 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:42:27" (1/1) ... [2020-11-28 04:42:27,047 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72578cb1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:42:27, skipping insertion in model container [2020-11-28 04:42:27,047 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:42:27" (1/1) ... [2020-11-28 04:42:27,055 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 04:42:27,163 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 04:42:28,334 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: xasprintf [2020-11-28 04:42:28,335 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@e461ed7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:42:28, skipping insertion in model container [2020-11-28 04:42:28,336 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 04:42:28,336 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-11-28 04:42:28,339 INFO L168 Benchmark]: Toolchain (without parser) took 1307.66 ms. Allocated memory was 50.3 MB in the beginning and 71.3 MB in the end (delta: 21.0 MB). Free memory was 22.7 MB in the beginning and 44.0 MB in the end (delta: -21.3 MB). Peak memory consumption was 7.5 MB. Max. memory is 16.1 GB. [2020-11-28 04:42:28,339 INFO L168 Benchmark]: CDTParser took 0.29 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: 62.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 04:42:28,341 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1302.23 ms. Allocated memory was 50.3 MB in the beginning and 71.3 MB in the end (delta: 21.0 MB). Free memory was 22.4 MB in the beginning and 44.2 MB in the end (delta: -21.8 MB). Peak memory consumption was 7.5 MB. Max. memory is 16.1 GB. [2020-11-28 04:42:28,343 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 50.3 MB. Free memory was 32.3 MB in the beginning and 32.3 MB in the end (delta: 62.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1302.23 ms. Allocated memory was 50.3 MB in the beginning and 71.3 MB in the end (delta: 21.0 MB). Free memory was 22.4 MB in the beginning and 44.2 MB in the end (delta: -21.8 MB). Peak memory consumption was 7.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2344]: Unsupported Syntax encountered a call to a var args function, var args are not supported at the moment: xasprintf RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...