./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/busybox-1.22.0/du-1.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb80c141-2842-4e3e-a301-fb523c86da69/bin/utaipan-TEXQjIfE4P/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb80c141-2842-4e3e-a301-fb523c86da69/bin/utaipan-TEXQjIfE4P/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb80c141-2842-4e3e-a301-fb523c86da69/bin/utaipan-TEXQjIfE4P/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb80c141-2842-4e3e-a301-fb523c86da69/bin/utaipan-TEXQjIfE4P/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/du-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb80c141-2842-4e3e-a301-fb523c86da69/bin/utaipan-TEXQjIfE4P/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb80c141-2842-4e3e-a301-fb523c86da69/bin/utaipan-TEXQjIfE4P --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 a7d47fd1cb183de21869a58eb9084ebc9903847b2928a08049ba239b8cab5299 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-21 01:05:44,143 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-21 01:05:44,145 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-21 01:05:44,208 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-21 01:05:44,209 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-21 01:05:44,214 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-21 01:05:44,216 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-21 01:05:44,220 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-21 01:05:44,224 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-21 01:05:44,230 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-21 01:05:44,232 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-21 01:05:44,234 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-21 01:05:44,234 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-21 01:05:44,238 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-21 01:05:44,240 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-21 01:05:44,246 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-21 01:05:44,249 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-21 01:05:44,250 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-21 01:05:44,254 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-21 01:05:44,264 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-21 01:05:44,266 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-21 01:05:44,268 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-21 01:05:44,272 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-21 01:05:44,273 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-21 01:05:44,285 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-21 01:05:44,285 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-21 01:05:44,286 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-21 01:05:44,288 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-21 01:05:44,289 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-21 01:05:44,291 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-21 01:05:44,292 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-21 01:05:44,293 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-21 01:05:44,296 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-21 01:05:44,297 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-21 01:05:44,299 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-21 01:05:44,300 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-21 01:05:44,301 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-21 01:05:44,301 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-21 01:05:44,301 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-21 01:05:44,303 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-21 01:05:44,304 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-21 01:05:44,305 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb80c141-2842-4e3e-a301-fb523c86da69/bin/utaipan-TEXQjIfE4P/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf [2021-11-21 01:05:44,357 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-21 01:05:44,357 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-21 01:05:44,358 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-21 01:05:44,359 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-21 01:05:44,360 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-21 01:05:44,360 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-21 01:05:44,360 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-21 01:05:44,361 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-21 01:05:44,361 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-21 01:05:44,361 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-21 01:05:44,362 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-21 01:05:44,363 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-21 01:05:44,363 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-21 01:05:44,363 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-21 01:05:44,364 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-21 01:05:44,364 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-21 01:05:44,364 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-21 01:05:44,365 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-21 01:05:44,366 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-21 01:05:44,366 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-21 01:05:44,366 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-21 01:05:44,367 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-21 01:05:44,367 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-21 01:05:44,369 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-21 01:05:44,369 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-21 01:05:44,369 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-21 01:05:44,370 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-21 01:05:44,370 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-21 01:05:44,370 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-21 01:05:44,371 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-21 01:05:44,371 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-21 01:05:44,371 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-21 01:05:44,372 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-21 01:05:44,372 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-21 01:05:44,372 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-21 01:05:44,373 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-21 01:05:44,373 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-21 01:05:44,373 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-21 01:05:44,373 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-21 01:05:44,374 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_cb80c141-2842-4e3e-a301-fb523c86da69/bin/utaipan-TEXQjIfE4P/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb80c141-2842-4e3e-a301-fb523c86da69/bin/utaipan-TEXQjIfE4P Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a7d47fd1cb183de21869a58eb9084ebc9903847b2928a08049ba239b8cab5299 [2021-11-21 01:05:44,675 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-21 01:05:44,698 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-21 01:05:44,701 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-21 01:05:44,703 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-21 01:05:44,703 INFO L275 PluginConnector]: CDTParser initialized [2021-11-21 01:05:44,705 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb80c141-2842-4e3e-a301-fb523c86da69/bin/utaipan-TEXQjIfE4P/../../sv-benchmarks/c/busybox-1.22.0/du-1.i [2021-11-21 01:05:44,790 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb80c141-2842-4e3e-a301-fb523c86da69/bin/utaipan-TEXQjIfE4P/data/f5d32554f/8a3ebb68f6ff4c9b9474d98b1ce203ee/FLAG6fe6e00b9 [2021-11-21 01:05:45,694 INFO L306 CDTParser]: Found 1 translation units. [2021-11-21 01:05:45,695 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb80c141-2842-4e3e-a301-fb523c86da69/sv-benchmarks/c/busybox-1.22.0/du-1.i [2021-11-21 01:05:45,738 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb80c141-2842-4e3e-a301-fb523c86da69/bin/utaipan-TEXQjIfE4P/data/f5d32554f/8a3ebb68f6ff4c9b9474d98b1ce203ee/FLAG6fe6e00b9 [2021-11-21 01:05:45,762 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb80c141-2842-4e3e-a301-fb523c86da69/bin/utaipan-TEXQjIfE4P/data/f5d32554f/8a3ebb68f6ff4c9b9474d98b1ce203ee [2021-11-21 01:05:45,765 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-21 01:05:45,767 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-21 01:05:45,771 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-21 01:05:45,772 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-21 01:05:45,776 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-21 01:05:45,776 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 01:05:45" (1/1) ... [2021-11-21 01:05:45,778 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e60cd77 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:05:45, skipping insertion in model container [2021-11-21 01:05:45,778 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 01:05:45" (1/1) ... [2021-11-21 01:05:45,785 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-21 01:05:45,891 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-21 01:05:47,364 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg [2021-11-21 01:05:47,365 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@466835c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:05:47, skipping insertion in model container [2021-11-21 01:05:47,365 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-21 01:05:47,366 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-21 01:05:47,368 INFO L158 Benchmark]: Toolchain (without parser) took 1599.44ms. Allocated memory was 96.5MB in the beginning and 140.5MB in the end (delta: 44.0MB). Free memory was 53.7MB in the beginning and 95.6MB in the end (delta: -41.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2021-11-21 01:05:47,369 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 96.5MB. Free memory was 68.7MB in the beginning and 68.7MB in the end (delta: 28.3kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-21 01:05:47,370 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1594.59ms. Allocated memory was 96.5MB in the beginning and 140.5MB in the end (delta: 44.0MB). Free memory was 53.5MB in the beginning and 95.6MB in the end (delta: -42.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-21 01:05:47,372 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 96.5MB. Free memory was 68.7MB in the beginning and 68.7MB in the end (delta: 28.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1594.59ms. Allocated memory was 96.5MB in the beginning and 140.5MB in the end (delta: 44.0MB). Free memory was 53.5MB in the beginning and 95.6MB in the end (delta: -42.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2643]: Unsupported Syntax encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb80c141-2842-4e3e-a301-fb523c86da69/bin/utaipan-TEXQjIfE4P/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb80c141-2842-4e3e-a301-fb523c86da69/bin/utaipan-TEXQjIfE4P/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb80c141-2842-4e3e-a301-fb523c86da69/bin/utaipan-TEXQjIfE4P/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb80c141-2842-4e3e-a301-fb523c86da69/bin/utaipan-TEXQjIfE4P/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/du-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb80c141-2842-4e3e-a301-fb523c86da69/bin/utaipan-TEXQjIfE4P/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb80c141-2842-4e3e-a301-fb523c86da69/bin/utaipan-TEXQjIfE4P --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 a7d47fd1cb183de21869a58eb9084ebc9903847b2928a08049ba239b8cab5299 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-21 01:05:49,755 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-21 01:05:49,759 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-21 01:05:49,817 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-21 01:05:49,817 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-21 01:05:49,822 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-21 01:05:49,824 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-21 01:05:49,829 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-21 01:05:49,833 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-21 01:05:49,841 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-21 01:05:49,843 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-21 01:05:49,845 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-21 01:05:49,846 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-21 01:05:49,848 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-21 01:05:49,850 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-21 01:05:49,855 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-21 01:05:49,857 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-21 01:05:49,858 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-21 01:05:49,870 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-21 01:05:49,878 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-21 01:05:49,880 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-21 01:05:49,882 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-21 01:05:49,884 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-21 01:05:49,887 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-21 01:05:49,897 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-21 01:05:49,897 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-21 01:05:49,898 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-21 01:05:49,900 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-21 01:05:49,900 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-21 01:05:49,902 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-21 01:05:49,902 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-21 01:05:49,903 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-21 01:05:49,905 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-21 01:05:49,906 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-21 01:05:49,908 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-21 01:05:49,908 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-21 01:05:49,909 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-21 01:05:49,910 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-21 01:05:49,910 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-21 01:05:49,912 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-21 01:05:49,913 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-21 01:05:49,914 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb80c141-2842-4e3e-a301-fb523c86da69/bin/utaipan-TEXQjIfE4P/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf [2021-11-21 01:05:49,959 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-21 01:05:49,959 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-21 01:05:49,960 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-21 01:05:49,960 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-21 01:05:49,962 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-21 01:05:49,962 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-21 01:05:49,962 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-21 01:05:49,963 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-21 01:05:49,963 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-21 01:05:49,963 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-21 01:05:49,964 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-21 01:05:49,964 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-21 01:05:49,966 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-21 01:05:49,966 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-21 01:05:49,967 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-21 01:05:49,967 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-21 01:05:49,967 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-21 01:05:49,967 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-21 01:05:49,968 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-21 01:05:49,968 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-21 01:05:49,968 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-21 01:05:49,968 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-21 01:05:49,969 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-21 01:05:49,969 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-21 01:05:49,969 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-21 01:05:49,969 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-21 01:05:49,970 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-21 01:05:49,970 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-21 01:05:49,970 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-21 01:05:49,970 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-21 01:05:49,971 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-21 01:05:49,971 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-21 01:05:49,972 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-21 01:05:49,972 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-21 01:05:49,972 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-21 01:05:49,972 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-21 01:05:49,973 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_cb80c141-2842-4e3e-a301-fb523c86da69/bin/utaipan-TEXQjIfE4P/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb80c141-2842-4e3e-a301-fb523c86da69/bin/utaipan-TEXQjIfE4P Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a7d47fd1cb183de21869a58eb9084ebc9903847b2928a08049ba239b8cab5299 [2021-11-21 01:05:50,381 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-21 01:05:50,404 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-21 01:05:50,407 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-21 01:05:50,408 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-21 01:05:50,409 INFO L275 PluginConnector]: CDTParser initialized [2021-11-21 01:05:50,411 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb80c141-2842-4e3e-a301-fb523c86da69/bin/utaipan-TEXQjIfE4P/../../sv-benchmarks/c/busybox-1.22.0/du-1.i [2021-11-21 01:05:50,486 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb80c141-2842-4e3e-a301-fb523c86da69/bin/utaipan-TEXQjIfE4P/data/07a63d627/2a2514041d97437c9b3c2421741c4099/FLAGfc719abfb [2021-11-21 01:05:51,199 INFO L306 CDTParser]: Found 1 translation units. [2021-11-21 01:05:51,200 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb80c141-2842-4e3e-a301-fb523c86da69/sv-benchmarks/c/busybox-1.22.0/du-1.i [2021-11-21 01:05:51,242 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb80c141-2842-4e3e-a301-fb523c86da69/bin/utaipan-TEXQjIfE4P/data/07a63d627/2a2514041d97437c9b3c2421741c4099/FLAGfc719abfb [2021-11-21 01:05:51,346 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb80c141-2842-4e3e-a301-fb523c86da69/bin/utaipan-TEXQjIfE4P/data/07a63d627/2a2514041d97437c9b3c2421741c4099 [2021-11-21 01:05:51,349 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-21 01:05:51,351 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-21 01:05:51,355 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-21 01:05:51,355 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-21 01:05:51,360 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-21 01:05:51,361 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 01:05:51" (1/1) ... [2021-11-21 01:05:51,362 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@307f8f72 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:05:51, skipping insertion in model container [2021-11-21 01:05:51,363 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 01:05:51" (1/1) ... [2021-11-21 01:05:51,371 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-21 01:05:51,501 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-21 01:05:53,119 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg [2021-11-21 01:05:53,120 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@62b3aa61 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 01:05:53, skipping insertion in model container [2021-11-21 01:05:53,120 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-21 01:05:53,121 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-21 01:05:53,124 INFO L158 Benchmark]: Toolchain (without parser) took 1771.33ms. Allocated memory was 58.7MB in the beginning and 75.5MB in the end (delta: 16.8MB). Free memory was 30.1MB in the beginning and 51.1MB in the end (delta: -21.0MB). Peak memory consumption was 13.2MB. Max. memory is 16.1GB. [2021-11-21 01:05:53,126 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 58.7MB. Free memory was 38.6MB in the beginning and 38.6MB in the end (delta: 42.7kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-21 01:05:53,128 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1765.90ms. Allocated memory was 58.7MB in the beginning and 75.5MB in the end (delta: 16.8MB). Free memory was 29.9MB in the beginning and 51.1MB in the end (delta: -21.2MB). Peak memory consumption was 13.2MB. Max. memory is 16.1GB. [2021-11-21 01:05:53,131 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 58.7MB. Free memory was 38.6MB in the beginning and 38.6MB in the end (delta: 42.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1765.90ms. Allocated memory was 58.7MB in the beginning and 75.5MB in the end (delta: 16.8MB). Free memory was 29.9MB in the beginning and 51.1MB in the end (delta: -21.2MB). Peak memory consumption was 13.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2643]: Unsupported Syntax encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN