./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 4e77c044 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_620476b4-74c6-4443-a084-677bb78d5a66/bin/utaipan-q2qaUkNPG8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_620476b4-74c6-4443-a084-677bb78d5a66/bin/utaipan-q2qaUkNPG8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_620476b4-74c6-4443-a084-677bb78d5a66/bin/utaipan-q2qaUkNPG8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_620476b4-74c6-4443-a084-677bb78d5a66/bin/utaipan-q2qaUkNPG8/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/chgrp-incomplete-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_620476b4-74c6-4443-a084-677bb78d5a66/bin/utaipan-q2qaUkNPG8/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_620476b4-74c6-4443-a084-677bb78d5a66/bin/utaipan-q2qaUkNPG8 --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 572b8de07d1f821f0da98e07dc076c6e731e73f0 ......................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_620476b4-74c6-4443-a084-677bb78d5a66/bin/utaipan-q2qaUkNPG8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_620476b4-74c6-4443-a084-677bb78d5a66/bin/utaipan-q2qaUkNPG8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_620476b4-74c6-4443-a084-677bb78d5a66/bin/utaipan-q2qaUkNPG8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_620476b4-74c6-4443-a084-677bb78d5a66/bin/utaipan-q2qaUkNPG8/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/chgrp-incomplete-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_620476b4-74c6-4443-a084-677bb78d5a66/bin/utaipan-q2qaUkNPG8/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_620476b4-74c6-4443-a084-677bb78d5a66/bin/utaipan-q2qaUkNPG8 --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 572b8de07d1f821f0da98e07dc076c6e731e73f0 ...................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.2.1-dev-4e77c04 [2021-10-13 07:21:34,456 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 07:21:34,458 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 07:21:34,495 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 07:21:34,496 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 07:21:34,498 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 07:21:34,500 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 07:21:34,503 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 07:21:34,505 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 07:21:34,507 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 07:21:34,508 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 07:21:34,510 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 07:21:34,511 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 07:21:34,512 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 07:21:34,514 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 07:21:34,516 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 07:21:34,518 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 07:21:34,519 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 07:21:34,522 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 07:21:34,525 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 07:21:34,527 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 07:21:34,530 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 07:21:34,532 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 07:21:34,533 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 07:21:34,538 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 07:21:34,538 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 07:21:34,539 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 07:21:34,540 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 07:21:34,541 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 07:21:34,543 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 07:21:34,543 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 07:21:34,545 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 07:21:34,546 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 07:21:34,547 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 07:21:34,549 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 07:21:34,550 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 07:21:34,551 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 07:21:34,552 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 07:21:34,552 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 07:21:34,554 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 07:21:34,555 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 07:21:34,556 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_620476b4-74c6-4443-a084-677bb78d5a66/bin/utaipan-q2qaUkNPG8/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf [2021-10-13 07:21:34,589 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 07:21:34,589 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 07:21:34,590 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-13 07:21:34,591 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-13 07:21:34,591 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-13 07:21:34,591 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-13 07:21:34,591 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-13 07:21:34,592 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-13 07:21:34,592 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-13 07:21:34,592 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-13 07:21:34,593 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-13 07:21:34,593 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-13 07:21:34,593 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-13 07:21:34,593 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-13 07:21:34,594 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-13 07:21:34,595 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-13 07:21:34,595 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-13 07:21:34,595 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 07:21:34,595 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-13 07:21:34,596 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 07:21:34,596 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 07:21:34,596 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-13 07:21:34,597 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-13 07:21:34,597 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-13 07:21:34,597 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 07:21:34,597 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-13 07:21:34,598 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 07:21:34,598 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 07:21:34,598 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-13 07:21:34,598 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 07:21:34,599 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 07:21:34,599 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 07:21:34,599 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-13 07:21:34,600 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-13 07:21:34,600 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 07:21:34,600 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-13 07:21:34,600 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_worker_vcloud-master_on_vcloud-master/run_dir_620476b4-74c6-4443-a084-677bb78d5a66/bin/utaipan-q2qaUkNPG8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_620476b4-74c6-4443-a084-677bb78d5a66/bin/utaipan-q2qaUkNPG8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 572b8de07d1f821f0da98e07dc076c6e731e73f0 [2021-10-13 07:21:34,908 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 07:21:34,932 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 07:21:34,935 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 07:21:34,937 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 07:21:34,938 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 07:21:34,940 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_620476b4-74c6-4443-a084-677bb78d5a66/bin/utaipan-q2qaUkNPG8/../../sv-benchmarks/c/busybox-1.22.0/chgrp-incomplete-1.i [2021-10-13 07:21:35,037 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_620476b4-74c6-4443-a084-677bb78d5a66/bin/utaipan-q2qaUkNPG8/data/8150bd0bd/5977392f55ba4c3f94ebda50fa2b1749/FLAG49a27f762 [2021-10-13 07:21:35,883 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 07:21:35,884 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_620476b4-74c6-4443-a084-677bb78d5a66/sv-benchmarks/c/busybox-1.22.0/chgrp-incomplete-1.i [2021-10-13 07:21:35,933 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_620476b4-74c6-4443-a084-677bb78d5a66/bin/utaipan-q2qaUkNPG8/data/8150bd0bd/5977392f55ba4c3f94ebda50fa2b1749/FLAG49a27f762 [2021-10-13 07:21:35,955 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_620476b4-74c6-4443-a084-677bb78d5a66/bin/utaipan-q2qaUkNPG8/data/8150bd0bd/5977392f55ba4c3f94ebda50fa2b1749 [2021-10-13 07:21:35,958 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 07:21:35,960 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 07:21:35,962 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 07:21:35,962 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 07:21:35,966 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 07:21:35,967 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:21:35" (1/1) ... [2021-10-13 07:21:35,969 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24774872 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:21:35, skipping insertion in model container [2021-10-13 07:21:35,969 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:21:35" (1/1) ... [2021-10-13 07:21:35,977 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 07:21:36,080 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 07:21:37,373 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: xasprintf [2021-10-13 07:21:37,374 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@30543f5c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:21:37, skipping insertion in model container [2021-10-13 07:21:37,374 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 07:21:37,375 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-13 07:21:37,378 INFO L168 Benchmark]: Toolchain (without parser) took 1416.40 ms. Allocated memory was 90.2 MB in the beginning and 119.5 MB in the end (delta: 29.4 MB). Free memory was 51.6 MB in the beginning and 85.9 MB in the end (delta: -34.3 MB). Peak memory consumption was 7.3 MB. Max. memory is 16.1 GB. [2021-10-13 07:21:37,379 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 90.2 MB. Free memory was 59.8 MB in the beginning and 59.8 MB in the end (delta: 21.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 07:21:37,380 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1412.96 ms. Allocated memory was 90.2 MB in the beginning and 119.5 MB in the end (delta: 29.4 MB). Free memory was 51.4 MB in the beginning and 85.9 MB in the end (delta: -34.4 MB). Peak memory consumption was 7.3 MB. Max. memory is 16.1 GB. [2021-10-13 07:21:37,383 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 90.2 MB. Free memory was 59.8 MB in the beginning and 59.8 MB in the end (delta: 21.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1412.96 ms. Allocated memory was 90.2 MB in the beginning and 119.5 MB in the end (delta: 29.4 MB). Free memory was 51.4 MB in the beginning and 85.9 MB in the end (delta: -34.4 MB). Peak memory consumption was 7.3 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 0.2.1-dev-4e77c04 [2021-10-13 07:21:40,014 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 07:21:40,016 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 07:21:40,055 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 07:21:40,056 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 07:21:40,059 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 07:21:40,062 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 07:21:40,065 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 07:21:40,067 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 07:21:40,069 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 07:21:40,070 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 07:21:40,072 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 07:21:40,073 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 07:21:40,075 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 07:21:40,077 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 07:21:40,079 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 07:21:40,080 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 07:21:40,081 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 07:21:40,084 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 07:21:40,087 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 07:21:40,089 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 07:21:40,091 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 07:21:40,093 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 07:21:40,094 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 07:21:40,099 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 07:21:40,100 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 07:21:40,100 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 07:21:40,101 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 07:21:40,102 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 07:21:40,104 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 07:21:40,104 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 07:21:40,106 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 07:21:40,107 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 07:21:40,108 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 07:21:40,110 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 07:21:40,110 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 07:21:40,112 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 07:21:40,112 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 07:21:40,127 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 07:21:40,129 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 07:21:40,130 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 07:21:40,131 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_620476b4-74c6-4443-a084-677bb78d5a66/bin/utaipan-q2qaUkNPG8/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf [2021-10-13 07:21:40,166 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 07:21:40,166 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 07:21:40,167 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-13 07:21:40,167 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-13 07:21:40,168 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-13 07:21:40,168 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-13 07:21:40,168 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-13 07:21:40,169 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-13 07:21:40,169 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-13 07:21:40,170 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-13 07:21:40,170 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-13 07:21:40,171 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 07:21:40,171 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-13 07:21:40,171 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 07:21:40,171 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 07:21:40,172 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-13 07:21:40,176 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-13 07:21:40,177 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-13 07:21:40,177 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 07:21:40,177 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-13 07:21:40,177 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-13 07:21:40,178 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-13 07:21:40,178 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 07:21:40,178 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 07:21:40,179 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-13 07:21:40,179 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-13 07:21:40,180 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 07:21:40,180 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 07:21:40,181 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 07:21:40,181 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-13 07:21:40,182 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-13 07:21:40,182 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 07:21:40,182 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-13 07:21:40,183 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_worker_vcloud-master_on_vcloud-master/run_dir_620476b4-74c6-4443-a084-677bb78d5a66/bin/utaipan-q2qaUkNPG8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_620476b4-74c6-4443-a084-677bb78d5a66/bin/utaipan-q2qaUkNPG8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 572b8de07d1f821f0da98e07dc076c6e731e73f0 [2021-10-13 07:21:40,693 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 07:21:40,726 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 07:21:40,729 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 07:21:40,730 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 07:21:40,731 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 07:21:40,732 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_620476b4-74c6-4443-a084-677bb78d5a66/bin/utaipan-q2qaUkNPG8/../../sv-benchmarks/c/busybox-1.22.0/chgrp-incomplete-1.i [2021-10-13 07:21:40,817 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_620476b4-74c6-4443-a084-677bb78d5a66/bin/utaipan-q2qaUkNPG8/data/02a349711/3fe43cad82d4476d964ef7c7d2e80e14/FLAG279dfcc34 [2021-10-13 07:21:41,828 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 07:21:41,829 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_620476b4-74c6-4443-a084-677bb78d5a66/sv-benchmarks/c/busybox-1.22.0/chgrp-incomplete-1.i [2021-10-13 07:21:41,872 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_620476b4-74c6-4443-a084-677bb78d5a66/bin/utaipan-q2qaUkNPG8/data/02a349711/3fe43cad82d4476d964ef7c7d2e80e14/FLAG279dfcc34 [2021-10-13 07:21:42,353 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_620476b4-74c6-4443-a084-677bb78d5a66/bin/utaipan-q2qaUkNPG8/data/02a349711/3fe43cad82d4476d964ef7c7d2e80e14 [2021-10-13 07:21:42,356 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 07:21:42,358 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 07:21:42,360 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 07:21:42,360 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 07:21:42,364 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 07:21:42,365 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:21:42" (1/1) ... [2021-10-13 07:21:42,366 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6bfae849 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:21:42, skipping insertion in model container [2021-10-13 07:21:42,367 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:21:42" (1/1) ... [2021-10-13 07:21:42,375 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 07:21:42,481 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 07:21:43,812 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: xasprintf [2021-10-13 07:21:43,812 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@27cc8d10 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:21:43, skipping insertion in model container [2021-10-13 07:21:43,813 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 07:21:43,813 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-13 07:21:43,815 INFO L168 Benchmark]: Toolchain (without parser) took 1456.30 ms. Allocated memory is still 60.8 MB. Free memory was 34.4 MB in the beginning and 32.1 MB in the end (delta: 2.3 MB). Peak memory consumption was 11.3 MB. Max. memory is 16.1 GB. [2021-10-13 07:21:43,816 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 60.8 MB. Free memory is still 40.9 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 07:21:43,817 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1453.22 ms. Allocated memory is still 60.8 MB. Free memory was 34.1 MB in the beginning and 32.1 MB in the end (delta: 2.0 MB). Peak memory consumption was 11.3 MB. Max. memory is 16.1 GB. [2021-10-13 07:21:43,819 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 60.8 MB. Free memory is still 40.9 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1453.22 ms. Allocated memory is still 60.8 MB. Free memory was 34.1 MB in the beginning and 32.1 MB in the end (delta: 2.0 MB). Peak memory consumption was 11.3 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...