./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 57096758 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ef6f257-2771-4ef8-9dc0-c114dbc72025/bin/utaipan-mTDlp9Zugs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ef6f257-2771-4ef8-9dc0-c114dbc72025/bin/utaipan-mTDlp9Zugs/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ef6f257-2771-4ef8-9dc0-c114dbc72025/bin/utaipan-mTDlp9Zugs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ef6f257-2771-4ef8-9dc0-c114dbc72025/bin/utaipan-mTDlp9Zugs/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_5ef6f257-2771-4ef8-9dc0-c114dbc72025/bin/utaipan-mTDlp9Zugs/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ef6f257-2771-4ef8-9dc0-c114dbc72025/bin/utaipan-mTDlp9Zugs --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_5ef6f257-2771-4ef8-9dc0-c114dbc72025/bin/utaipan-mTDlp9Zugs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ef6f257-2771-4ef8-9dc0-c114dbc72025/bin/utaipan-mTDlp9Zugs/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ef6f257-2771-4ef8-9dc0-c114dbc72025/bin/utaipan-mTDlp9Zugs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ef6f257-2771-4ef8-9dc0-c114dbc72025/bin/utaipan-mTDlp9Zugs/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_5ef6f257-2771-4ef8-9dc0-c114dbc72025/bin/utaipan-mTDlp9Zugs/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ef6f257-2771-4ef8-9dc0-c114dbc72025/bin/utaipan-mTDlp9Zugs --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-5709675 [2021-10-16 03:21:31,232 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-16 03:21:31,235 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-16 03:21:31,271 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-16 03:21:31,271 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-16 03:21:31,273 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-16 03:21:31,275 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-16 03:21:31,277 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-16 03:21:31,280 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-16 03:21:31,281 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-16 03:21:31,283 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-16 03:21:31,285 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-16 03:21:31,289 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-16 03:21:31,292 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-16 03:21:31,295 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-16 03:21:31,297 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-16 03:21:31,300 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-16 03:21:31,308 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-16 03:21:31,310 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-16 03:21:31,316 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-16 03:21:31,322 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-16 03:21:31,324 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-16 03:21:31,330 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-16 03:21:31,331 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-16 03:21:31,335 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-16 03:21:31,344 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-16 03:21:31,344 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-16 03:21:31,346 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-16 03:21:31,347 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-16 03:21:31,348 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-16 03:21:31,349 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-16 03:21:31,350 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-16 03:21:31,352 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-16 03:21:31,353 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-16 03:21:31,355 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-16 03:21:31,356 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-16 03:21:31,357 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-16 03:21:31,357 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-16 03:21:31,358 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-16 03:21:31,360 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-16 03:21:31,361 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-16 03:21:31,362 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ef6f257-2771-4ef8-9dc0-c114dbc72025/bin/utaipan-mTDlp9Zugs/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf [2021-10-16 03:21:31,395 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-16 03:21:31,395 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-16 03:21:31,396 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-16 03:21:31,396 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-16 03:21:31,397 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-16 03:21:31,397 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-16 03:21:31,397 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-16 03:21:31,398 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-16 03:21:31,398 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-16 03:21:31,398 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-16 03:21:31,399 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-16 03:21:31,399 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-16 03:21:31,399 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-16 03:21:31,400 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-16 03:21:31,400 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-16 03:21:31,401 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-16 03:21:31,401 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-16 03:21:31,402 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-16 03:21:31,402 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-16 03:21:31,402 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-16 03:21:31,403 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-16 03:21:31,403 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-16 03:21:31,403 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-16 03:21:31,403 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-16 03:21:31,404 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-16 03:21:31,404 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-16 03:21:31,404 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-16 03:21:31,405 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-16 03:21:31,405 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-16 03:21:31,405 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-16 03:21:31,406 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-16 03:21:31,406 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-16 03:21:31,407 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-16 03:21:31,407 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-16 03:21:31,407 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-16 03:21:31,407 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-16 03:21:31,408 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_5ef6f257-2771-4ef8-9dc0-c114dbc72025/bin/utaipan-mTDlp9Zugs/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ef6f257-2771-4ef8-9dc0-c114dbc72025/bin/utaipan-mTDlp9Zugs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 572b8de07d1f821f0da98e07dc076c6e731e73f0 [2021-10-16 03:21:31,728 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-16 03:21:31,767 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-16 03:21:31,771 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-16 03:21:31,773 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-16 03:21:31,774 INFO L275 PluginConnector]: CDTParser initialized [2021-10-16 03:21:31,776 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ef6f257-2771-4ef8-9dc0-c114dbc72025/bin/utaipan-mTDlp9Zugs/../../sv-benchmarks/c/busybox-1.22.0/chgrp-incomplete-1.i [2021-10-16 03:21:31,872 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ef6f257-2771-4ef8-9dc0-c114dbc72025/bin/utaipan-mTDlp9Zugs/data/98d73b5e2/dc99de50e62b4cdebeddb0fc46a167f3/FLAG1ea1e4262 [2021-10-16 03:21:32,774 INFO L306 CDTParser]: Found 1 translation units. [2021-10-16 03:21:32,775 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ef6f257-2771-4ef8-9dc0-c114dbc72025/sv-benchmarks/c/busybox-1.22.0/chgrp-incomplete-1.i [2021-10-16 03:21:32,833 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ef6f257-2771-4ef8-9dc0-c114dbc72025/bin/utaipan-mTDlp9Zugs/data/98d73b5e2/dc99de50e62b4cdebeddb0fc46a167f3/FLAG1ea1e4262 [2021-10-16 03:21:33,299 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ef6f257-2771-4ef8-9dc0-c114dbc72025/bin/utaipan-mTDlp9Zugs/data/98d73b5e2/dc99de50e62b4cdebeddb0fc46a167f3 [2021-10-16 03:21:33,302 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-16 03:21:33,304 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-16 03:21:33,311 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-16 03:21:33,311 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-16 03:21:33,315 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-16 03:21:33,315 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 03:21:33" (1/1) ... [2021-10-16 03:21:33,317 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@15139232 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:21:33, skipping insertion in model container [2021-10-16 03:21:33,317 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 03:21:33" (1/1) ... [2021-10-16 03:21:33,325 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-16 03:21:33,400 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-16 03:21:34,723 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: xasprintf [2021-10-16 03:21:34,723 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5481371 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:21:34, skipping insertion in model container [2021-10-16 03:21:34,724 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-16 03:21:34,724 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-16 03:21:34,727 INFO L168 Benchmark]: Toolchain (without parser) took 1421.28 ms. Allocated memory was 109.1 MB in the beginning and 148.9 MB in the end (delta: 39.8 MB). Free memory was 72.7 MB in the beginning and 111.7 MB in the end (delta: -39.0 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-16 03:21:34,727 INFO L168 Benchmark]: CDTParser took 0.42 ms. Allocated memory is still 109.1 MB. Free memory is still 64.1 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-16 03:21:34,729 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1413.18 ms. Allocated memory was 109.1 MB in the beginning and 148.9 MB in the end (delta: 39.8 MB). Free memory was 72.5 MB in the beginning and 111.7 MB in the end (delta: -39.2 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-16 03:21:34,731 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.42 ms. Allocated memory is still 109.1 MB. Free memory is still 64.1 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1413.18 ms. Allocated memory was 109.1 MB in the beginning and 148.9 MB in the end (delta: 39.8 MB). Free memory was 72.5 MB in the beginning and 111.7 MB in the end (delta: -39.2 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 0.2.1-dev-5709675 [2021-10-16 03:21:37,397 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-16 03:21:37,400 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-16 03:21:37,440 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-16 03:21:37,441 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-16 03:21:37,445 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-16 03:21:37,451 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-16 03:21:37,457 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-16 03:21:37,462 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-16 03:21:37,472 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-16 03:21:37,474 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-16 03:21:37,477 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-16 03:21:37,477 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-16 03:21:37,481 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-16 03:21:37,485 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-16 03:21:37,488 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-16 03:21:37,490 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-16 03:21:37,492 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-16 03:21:37,498 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-16 03:21:37,508 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-16 03:21:37,511 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-16 03:21:37,513 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-16 03:21:37,516 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-16 03:21:37,520 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-16 03:21:37,531 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-16 03:21:37,532 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-16 03:21:37,533 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-16 03:21:37,535 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-16 03:21:37,536 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-16 03:21:37,538 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-16 03:21:37,539 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-16 03:21:37,541 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-16 03:21:37,544 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-16 03:21:37,545 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-16 03:21:37,548 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-16 03:21:37,548 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-16 03:21:37,550 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-16 03:21:37,551 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-16 03:21:37,551 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-16 03:21:37,554 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-16 03:21:37,555 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-16 03:21:37,556 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ef6f257-2771-4ef8-9dc0-c114dbc72025/bin/utaipan-mTDlp9Zugs/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf [2021-10-16 03:21:37,622 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-16 03:21:37,623 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-16 03:21:37,625 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-16 03:21:37,625 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-16 03:21:37,625 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-16 03:21:37,626 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-16 03:21:37,626 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-16 03:21:37,626 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-16 03:21:37,626 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-16 03:21:37,628 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-16 03:21:37,630 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-16 03:21:37,631 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-16 03:21:37,631 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-16 03:21:37,631 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-16 03:21:37,632 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-16 03:21:37,632 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-16 03:21:37,632 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-16 03:21:37,632 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-16 03:21:37,633 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-16 03:21:37,633 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-16 03:21:37,633 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-16 03:21:37,634 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-16 03:21:37,634 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-16 03:21:37,634 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-16 03:21:37,635 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-16 03:21:37,635 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-16 03:21:37,635 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-16 03:21:37,635 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-16 03:21:37,636 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-16 03:21:37,636 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-16 03:21:37,636 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-16 03:21:37,637 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-16 03:21:37,637 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-16 03:21:37,638 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_5ef6f257-2771-4ef8-9dc0-c114dbc72025/bin/utaipan-mTDlp9Zugs/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ef6f257-2771-4ef8-9dc0-c114dbc72025/bin/utaipan-mTDlp9Zugs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 572b8de07d1f821f0da98e07dc076c6e731e73f0 [2021-10-16 03:21:38,163 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-16 03:21:38,185 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-16 03:21:38,188 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-16 03:21:38,190 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-16 03:21:38,191 INFO L275 PluginConnector]: CDTParser initialized [2021-10-16 03:21:38,192 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ef6f257-2771-4ef8-9dc0-c114dbc72025/bin/utaipan-mTDlp9Zugs/../../sv-benchmarks/c/busybox-1.22.0/chgrp-incomplete-1.i [2021-10-16 03:21:38,259 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ef6f257-2771-4ef8-9dc0-c114dbc72025/bin/utaipan-mTDlp9Zugs/data/bdd190a63/b58e19557582445384a5ba4058eb0a98/FLAG38f41e8e2 [2021-10-16 03:21:39,260 INFO L306 CDTParser]: Found 1 translation units. [2021-10-16 03:21:39,262 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ef6f257-2771-4ef8-9dc0-c114dbc72025/sv-benchmarks/c/busybox-1.22.0/chgrp-incomplete-1.i [2021-10-16 03:21:39,301 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ef6f257-2771-4ef8-9dc0-c114dbc72025/bin/utaipan-mTDlp9Zugs/data/bdd190a63/b58e19557582445384a5ba4058eb0a98/FLAG38f41e8e2 [2021-10-16 03:21:39,749 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5ef6f257-2771-4ef8-9dc0-c114dbc72025/bin/utaipan-mTDlp9Zugs/data/bdd190a63/b58e19557582445384a5ba4058eb0a98 [2021-10-16 03:21:39,751 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-16 03:21:39,753 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-16 03:21:39,756 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-16 03:21:39,756 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-16 03:21:39,760 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-16 03:21:39,765 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 03:21:39" (1/1) ... [2021-10-16 03:21:39,767 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43eb6841 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:21:39, skipping insertion in model container [2021-10-16 03:21:39,767 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 03:21:39" (1/1) ... [2021-10-16 03:21:39,775 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-16 03:21:39,875 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-16 03:21:41,695 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: xasprintf [2021-10-16 03:21:41,697 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@766106d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:21:41, skipping insertion in model container [2021-10-16 03:21:41,697 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-16 03:21:41,698 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-16 03:21:41,702 INFO L168 Benchmark]: Toolchain (without parser) took 1946.11 ms. Allocated memory is still 90.2 MB. Free memory was 51.5 MB in the beginning and 62.6 MB in the end (delta: -11.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-16 03:21:41,704 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 90.2 MB. Free memory was 72.2 MB in the beginning and 72.1 MB in the end (delta: 136.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-16 03:21:41,709 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1942.06 ms. Allocated memory is still 90.2 MB. Free memory was 51.4 MB in the beginning and 62.6 MB in the end (delta: -11.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-16 03:21:41,711 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 90.2 MB. Free memory was 72.2 MB in the beginning and 72.1 MB in the end (delta: 136.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1942.06 ms. Allocated memory is still 90.2 MB. Free memory was 51.4 MB in the beginning and 62.6 MB in the end (delta: -11.3 MB). Peak memory consumption was 8.4 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...