./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 7b2dab56 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_a5ef57a7-4eb1-4dd6-988e-340816b72216/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_a5ef57a7-4eb1-4dd6-988e-340816b72216/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_a5ef57a7-4eb1-4dd6-988e-340816b72216/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_a5ef57a7-4eb1-4dd6-988e-340816b72216/bin/utaipan/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/chgrp-incomplete-1.i -s /tmp/vcloud-vcloud-master/worker/run_dir_a5ef57a7-4eb1-4dd6-988e-340816b72216/bin/utaipan/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_a5ef57a7-4eb1-4dd6-988e-340816b72216/bin/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 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_a5ef57a7-4eb1-4dd6-988e-340816b72216/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_a5ef57a7-4eb1-4dd6-988e-340816b72216/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_a5ef57a7-4eb1-4dd6-988e-340816b72216/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_a5ef57a7-4eb1-4dd6-988e-340816b72216/bin/utaipan/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/chgrp-incomplete-1.i -s /tmp/vcloud-vcloud-master/worker/run_dir_a5ef57a7-4eb1-4dd6-988e-340816b72216/bin/utaipan/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_a5ef57a7-4eb1-4dd6-988e-340816b72216/bin/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 572b8de07d1f821f0da98e07dc076c6e731e73f0 ..................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.2.0-7b2dab5 [2020-12-09 18:19:37,484 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-09 18:19:37,486 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-09 18:19:37,520 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-09 18:19:37,521 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-09 18:19:37,522 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-09 18:19:37,529 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-09 18:19:37,532 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-09 18:19:37,534 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-09 18:19:37,535 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-09 18:19:37,536 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-09 18:19:37,537 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-09 18:19:37,538 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-09 18:19:37,539 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-09 18:19:37,540 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-09 18:19:37,542 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-09 18:19:37,542 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-09 18:19:37,544 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-09 18:19:37,545 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-09 18:19:37,548 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-09 18:19:37,550 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-09 18:19:37,551 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-09 18:19:37,553 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-09 18:19:37,554 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-09 18:19:37,557 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-09 18:19:37,557 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-09 18:19:37,558 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-09 18:19:37,559 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-09 18:19:37,559 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-09 18:19:37,560 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-09 18:19:37,561 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-09 18:19:37,561 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-09 18:19:37,562 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-09 18:19:37,563 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-09 18:19:37,564 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-09 18:19:37,564 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-09 18:19:37,564 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-09 18:19:37,565 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-09 18:19:37,565 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-09 18:19:37,566 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-09 18:19:37,566 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-09 18:19:37,567 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_a5ef57a7-4eb1-4dd6-988e-340816b72216/bin/utaipan/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf [2020-12-09 18:19:37,588 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-09 18:19:37,588 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-09 18:19:37,589 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-09 18:19:37,589 INFO L138 SettingsManager]: * User list type=DISABLED [2020-12-09 18:19:37,590 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-12-09 18:19:37,590 INFO L138 SettingsManager]: * Explicit value domain=true [2020-12-09 18:19:37,590 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-12-09 18:19:37,590 INFO L138 SettingsManager]: * Octagon Domain=false [2020-12-09 18:19:37,590 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-12-09 18:19:37,590 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-12-09 18:19:37,590 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-12-09 18:19:37,590 INFO L138 SettingsManager]: * Interval Domain=false [2020-12-09 18:19:37,591 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-12-09 18:19:37,591 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-12-09 18:19:37,591 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-12-09 18:19:37,592 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-09 18:19:37,592 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-09 18:19:37,592 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-09 18:19:37,592 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-12-09 18:19:37,592 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-09 18:19:37,592 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-09 18:19:37,592 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-12-09 18:19:37,592 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-12-09 18:19:37,593 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-12-09 18:19:37,593 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-09 18:19:37,593 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-12-09 18:19:37,593 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-09 18:19:37,593 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-09 18:19:37,593 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-09 18:19:37,593 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-09 18:19:37,594 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-09 18:19:37,594 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-09 18:19:37,594 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-12-09 18:19:37,594 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-09 18:19:37,594 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-09 18:19:37,594 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-09 18:19:37,594 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_a5ef57a7-4eb1-4dd6-988e-340816b72216/bin/utaipan/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_a5ef57a7-4eb1-4dd6-988e-340816b72216/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 572b8de07d1f821f0da98e07dc076c6e731e73f0 [2020-12-09 18:19:37,783 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-09 18:19:37,803 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-09 18:19:37,804 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-09 18:19:37,805 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-09 18:19:37,806 INFO L275 PluginConnector]: CDTParser initialized [2020-12-09 18:19:37,807 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_a5ef57a7-4eb1-4dd6-988e-340816b72216/bin/utaipan/../../sv-benchmarks/c/busybox-1.22.0/chgrp-incomplete-1.i [2020-12-09 18:19:37,848 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_a5ef57a7-4eb1-4dd6-988e-340816b72216/bin/utaipan/data/554628035/cf770114b4684e5d82279b9a9cdbfc10/FLAG9a2787d2e [2020-12-09 18:19:38,318 INFO L306 CDTParser]: Found 1 translation units. [2020-12-09 18:19:38,319 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_a5ef57a7-4eb1-4dd6-988e-340816b72216/sv-benchmarks/c/busybox-1.22.0/chgrp-incomplete-1.i [2020-12-09 18:19:38,335 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_a5ef57a7-4eb1-4dd6-988e-340816b72216/bin/utaipan/data/554628035/cf770114b4684e5d82279b9a9cdbfc10/FLAG9a2787d2e [2020-12-09 18:19:38,345 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_a5ef57a7-4eb1-4dd6-988e-340816b72216/bin/utaipan/data/554628035/cf770114b4684e5d82279b9a9cdbfc10 [2020-12-09 18:19:38,347 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-09 18:19:38,348 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-09 18:19:38,349 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-09 18:19:38,349 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-09 18:19:38,351 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-09 18:19:38,352 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 06:19:38" (1/1) ... [2020-12-09 18:19:38,353 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7bbd88f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:19:38, skipping insertion in model container [2020-12-09 18:19:38,354 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 06:19:38" (1/1) ... [2020-12-09 18:19:38,361 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-09 18:19:38,415 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-09 18:19:39,063 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: xasprintf [2020-12-09 18:19:39,064 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@912a0ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:19:39, skipping insertion in model container [2020-12-09 18:19:39,064 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-09 18:19:39,064 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-12-09 18:19:39,066 INFO L168 Benchmark]: Toolchain (without parser) took 716.51 ms. Allocated memory is still 109.1 MB. Free memory was 80.5 MB in the beginning and 74.5 MB in the end (delta: 6.0 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-12-09 18:19:39,066 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 109.1 MB. Free memory was 74.6 MB in the beginning and 74.5 MB in the end (delta: 117.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-09 18:19:39,067 INFO L168 Benchmark]: CACSL2BoogieTranslator took 714.98 ms. Allocated memory is still 109.1 MB. Free memory was 80.1 MB in the beginning and 74.5 MB in the end (delta: 5.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-12-09 18:19:39,068 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 109.1 MB. Free memory was 74.6 MB in the beginning and 74.5 MB in the end (delta: 117.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 714.98 ms. Allocated memory is still 109.1 MB. Free memory was 80.1 MB in the beginning and 74.5 MB in the end (delta: 5.7 MB). Peak memory consumption was 10.5 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... ### Bit-precise run ### This is Ultimate 0.2.0-7b2dab5 [2020-12-09 18:19:40,380 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-09 18:19:40,382 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-09 18:19:40,404 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-09 18:19:40,404 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-09 18:19:40,405 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-09 18:19:40,406 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-09 18:19:40,408 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-09 18:19:40,410 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-09 18:19:40,411 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-09 18:19:40,411 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-09 18:19:40,413 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-09 18:19:40,413 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-09 18:19:40,414 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-09 18:19:40,415 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-09 18:19:40,416 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-09 18:19:40,416 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-09 18:19:40,417 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-09 18:19:40,419 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-09 18:19:40,421 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-09 18:19:40,422 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-09 18:19:40,423 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-09 18:19:40,424 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-09 18:19:40,425 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-09 18:19:40,427 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-09 18:19:40,428 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-09 18:19:40,428 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-09 18:19:40,429 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-09 18:19:40,429 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-09 18:19:40,430 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-09 18:19:40,430 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-09 18:19:40,431 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-09 18:19:40,432 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-09 18:19:40,432 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-09 18:19:40,433 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-09 18:19:40,433 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-09 18:19:40,434 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-09 18:19:40,434 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-09 18:19:40,435 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-09 18:19:40,435 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-09 18:19:40,436 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-09 18:19:40,437 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_a5ef57a7-4eb1-4dd6-988e-340816b72216/bin/utaipan/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf [2020-12-09 18:19:40,458 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-09 18:19:40,459 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-09 18:19:40,459 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-09 18:19:40,459 INFO L138 SettingsManager]: * User list type=DISABLED [2020-12-09 18:19:40,459 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-12-09 18:19:40,460 INFO L138 SettingsManager]: * Explicit value domain=true [2020-12-09 18:19:40,460 INFO L138 SettingsManager]: * Octagon Domain=false [2020-12-09 18:19:40,460 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-12-09 18:19:40,460 INFO L138 SettingsManager]: * Interval Domain=false [2020-12-09 18:19:40,460 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-09 18:19:40,461 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-09 18:19:40,461 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-09 18:19:40,461 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-12-09 18:19:40,461 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-09 18:19:40,461 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-09 18:19:40,461 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2020-12-09 18:19:40,461 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2020-12-09 18:19:40,461 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2020-12-09 18:19:40,462 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-09 18:19:40,462 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-12-09 18:19:40,462 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-12-09 18:19:40,462 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-12-09 18:19:40,462 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-09 18:19:40,462 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-09 18:19:40,462 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-09 18:19:40,462 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-09 18:19:40,463 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-09 18:19:40,463 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-09 18:19:40,463 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-09 18:19:40,463 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-12-09 18:19:40,463 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2020-12-09 18:19:40,463 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-09 18:19:40,463 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-09 18:19:40,463 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_a5ef57a7-4eb1-4dd6-988e-340816b72216/bin/utaipan/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_a5ef57a7-4eb1-4dd6-988e-340816b72216/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 572b8de07d1f821f0da98e07dc076c6e731e73f0 [2020-12-09 18:19:40,692 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-09 18:19:40,707 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-09 18:19:40,709 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-09 18:19:40,710 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-09 18:19:40,710 INFO L275 PluginConnector]: CDTParser initialized [2020-12-09 18:19:40,711 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_a5ef57a7-4eb1-4dd6-988e-340816b72216/bin/utaipan/../../sv-benchmarks/c/busybox-1.22.0/chgrp-incomplete-1.i [2020-12-09 18:19:40,752 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_a5ef57a7-4eb1-4dd6-988e-340816b72216/bin/utaipan/data/37879808b/41da8a4fef7c41deb52dc1cd3243f4f6/FLAG995e6b4ea [2020-12-09 18:19:41,351 INFO L306 CDTParser]: Found 1 translation units. [2020-12-09 18:19:41,351 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_a5ef57a7-4eb1-4dd6-988e-340816b72216/sv-benchmarks/c/busybox-1.22.0/chgrp-incomplete-1.i [2020-12-09 18:19:41,369 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_a5ef57a7-4eb1-4dd6-988e-340816b72216/bin/utaipan/data/37879808b/41da8a4fef7c41deb52dc1cd3243f4f6/FLAG995e6b4ea [2020-12-09 18:19:41,782 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_a5ef57a7-4eb1-4dd6-988e-340816b72216/bin/utaipan/data/37879808b/41da8a4fef7c41deb52dc1cd3243f4f6 [2020-12-09 18:19:41,783 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-09 18:19:41,784 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-09 18:19:41,785 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-09 18:19:41,785 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-09 18:19:41,787 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-09 18:19:41,788 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 06:19:41" (1/1) ... [2020-12-09 18:19:41,789 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@350e6e3a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:19:41, skipping insertion in model container [2020-12-09 18:19:41,789 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 06:19:41" (1/1) ... [2020-12-09 18:19:41,794 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-09 18:19:41,842 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-09 18:19:42,562 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: xasprintf [2020-12-09 18:19:42,563 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@74712f99 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:19:42, skipping insertion in model container [2020-12-09 18:19:42,563 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-09 18:19:42,563 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2020-12-09 18:19:42,565 INFO L168 Benchmark]: Toolchain (without parser) took 779.48 ms. Allocated memory was 56.6 MB in the beginning and 71.3 MB in the end (delta: 14.7 MB). Free memory was 31.7 MB in the beginning and 43.2 MB in the end (delta: -11.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-12-09 18:19:42,566 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 56.6 MB. Free memory was 39.3 MB in the beginning and 39.3 MB in the end (delta: 73.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-09 18:19:42,567 INFO L168 Benchmark]: CACSL2BoogieTranslator took 778.05 ms. Allocated memory was 56.6 MB in the beginning and 71.3 MB in the end (delta: 14.7 MB). Free memory was 31.6 MB in the beginning and 43.2 MB in the end (delta: -11.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-12-09 18:19:42,569 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 56.6 MB. Free memory was 39.3 MB in the beginning and 39.3 MB in the end (delta: 73.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 778.05 ms. Allocated memory was 56.6 MB in the beginning and 71.3 MB in the end (delta: 14.7 MB). Free memory was 31.6 MB in the beginning and 43.2 MB in the end (delta: -11.6 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...