./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/busybox-1.22.0/tac-1.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8081546b-0eaa-4ac2-9b42-55f22b61c392/bin/utaipan-eEHZpOm5b7/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8081546b-0eaa-4ac2-9b42-55f22b61c392/bin/utaipan-eEHZpOm5b7/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8081546b-0eaa-4ac2-9b42-55f22b61c392/bin/utaipan-eEHZpOm5b7/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8081546b-0eaa-4ac2-9b42-55f22b61c392/bin/utaipan-eEHZpOm5b7/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/tac-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8081546b-0eaa-4ac2-9b42-55f22b61c392/bin/utaipan-eEHZpOm5b7/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8081546b-0eaa-4ac2-9b42-55f22b61c392/bin/utaipan-eEHZpOm5b7 --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 6c4e494ce5c4dce421612b608bcca5f034ca1031888feb61b9a4842be490db1c --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-11-25 19:02:05,283 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-25 19:02:05,285 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-25 19:02:05,315 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-25 19:02:05,316 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-25 19:02:05,317 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-25 19:02:05,319 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-25 19:02:05,322 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-25 19:02:05,324 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-25 19:02:05,325 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-25 19:02:05,327 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-25 19:02:05,328 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-25 19:02:05,329 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-25 19:02:05,330 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-25 19:02:05,332 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-25 19:02:05,333 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-25 19:02:05,334 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-25 19:02:05,335 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-25 19:02:05,337 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-25 19:02:05,340 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-25 19:02:05,342 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-25 19:02:05,343 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-25 19:02:05,345 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-25 19:02:05,346 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-25 19:02:05,350 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-25 19:02:05,350 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-25 19:02:05,351 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-25 19:02:05,352 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-25 19:02:05,352 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-25 19:02:05,354 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-25 19:02:05,354 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-25 19:02:05,355 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-25 19:02:05,356 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-25 19:02:05,357 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-25 19:02:05,358 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-25 19:02:05,359 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-25 19:02:05,359 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-25 19:02:05,360 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-25 19:02:05,360 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-25 19:02:05,361 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-25 19:02:05,362 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-25 19:02:05,363 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8081546b-0eaa-4ac2-9b42-55f22b61c392/bin/utaipan-eEHZpOm5b7/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf [2021-11-25 19:02:05,387 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-25 19:02:05,388 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-25 19:02:05,388 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-25 19:02:05,388 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-25 19:02:05,389 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-25 19:02:05,389 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-25 19:02:05,390 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-25 19:02:05,390 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-25 19:02:05,390 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-25 19:02:05,391 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-25 19:02:05,391 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-25 19:02:05,391 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-25 19:02:05,391 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-25 19:02:05,392 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-25 19:02:05,392 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-25 19:02:05,392 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-25 19:02:05,393 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-25 19:02:05,393 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-25 19:02:05,394 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-25 19:02:05,394 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-25 19:02:05,394 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-25 19:02:05,394 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-25 19:02:05,395 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-25 19:02:05,395 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-25 19:02:05,395 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-25 19:02:05,395 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-25 19:02:05,396 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-25 19:02:05,396 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-25 19:02:05,396 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-25 19:02:05,396 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-25 19:02:05,397 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-25 19:02:05,397 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-25 19:02:05,397 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 19:02:05,398 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-25 19:02:05,398 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-25 19:02:05,398 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-25 19:02:05,399 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-25 19:02:05,399 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-25 19:02:05,399 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-25 19:02:05,399 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_8081546b-0eaa-4ac2-9b42-55f22b61c392/bin/utaipan-eEHZpOm5b7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8081546b-0eaa-4ac2-9b42-55f22b61c392/bin/utaipan-eEHZpOm5b7 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6c4e494ce5c4dce421612b608bcca5f034ca1031888feb61b9a4842be490db1c [2021-11-25 19:02:05,666 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-25 19:02:05,686 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-25 19:02:05,689 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-25 19:02:05,690 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-25 19:02:05,691 INFO L275 PluginConnector]: CDTParser initialized [2021-11-25 19:02:05,693 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8081546b-0eaa-4ac2-9b42-55f22b61c392/bin/utaipan-eEHZpOm5b7/../../sv-benchmarks/c/busybox-1.22.0/tac-1.i [2021-11-25 19:02:05,773 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8081546b-0eaa-4ac2-9b42-55f22b61c392/bin/utaipan-eEHZpOm5b7/data/37f862091/23760dad59344a6badc1d6f347bbc249/FLAG0f5ce77b1 [2021-11-25 19:02:06,529 INFO L306 CDTParser]: Found 1 translation units. [2021-11-25 19:02:06,529 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8081546b-0eaa-4ac2-9b42-55f22b61c392/sv-benchmarks/c/busybox-1.22.0/tac-1.i [2021-11-25 19:02:06,571 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8081546b-0eaa-4ac2-9b42-55f22b61c392/bin/utaipan-eEHZpOm5b7/data/37f862091/23760dad59344a6badc1d6f347bbc249/FLAG0f5ce77b1 [2021-11-25 19:02:06,658 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8081546b-0eaa-4ac2-9b42-55f22b61c392/bin/utaipan-eEHZpOm5b7/data/37f862091/23760dad59344a6badc1d6f347bbc249 [2021-11-25 19:02:06,663 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-25 19:02:06,666 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-25 19:02:06,670 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-25 19:02:06,670 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-25 19:02:06,674 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-25 19:02:06,676 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 07:02:06" (1/1) ... [2021-11-25 19:02:06,678 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@950c1f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:02:06, skipping insertion in model container [2021-11-25 19:02:06,678 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 07:02:06" (1/1) ... [2021-11-25 19:02:06,686 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-25 19:02:06,775 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 19:02:07,941 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg [2021-11-25 19:02:07,942 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5b31afcf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:02:07, skipping insertion in model container [2021-11-25 19:02:07,942 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-25 19:02:07,943 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-25 19:02:07,945 INFO L158 Benchmark]: Toolchain (without parser) took 1277.81ms. Allocated memory is still 96.5MB. Free memory was 72.0MB in the beginning and 57.2MB in the end (delta: 14.8MB). Peak memory consumption was 13.3MB. Max. memory is 16.1GB. [2021-11-25 19:02:07,946 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 96.5MB. Free memory is still 71.9MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-25 19:02:07,948 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1273.04ms. Allocated memory is still 96.5MB. Free memory was 71.8MB in the beginning and 57.2MB in the end (delta: 14.6MB). Peak memory consumption was 13.3MB. Max. memory is 16.1GB. [2021-11-25 19:02:07,951 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 96.5MB. Free memory is still 71.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1273.04ms. Allocated memory is still 96.5MB. Free memory was 71.8MB in the beginning and 57.2MB in the end (delta: 14.6MB). Peak memory consumption was 13.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2259]: 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_8081546b-0eaa-4ac2-9b42-55f22b61c392/bin/utaipan-eEHZpOm5b7/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8081546b-0eaa-4ac2-9b42-55f22b61c392/bin/utaipan-eEHZpOm5b7/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8081546b-0eaa-4ac2-9b42-55f22b61c392/bin/utaipan-eEHZpOm5b7/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8081546b-0eaa-4ac2-9b42-55f22b61c392/bin/utaipan-eEHZpOm5b7/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/tac-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8081546b-0eaa-4ac2-9b42-55f22b61c392/bin/utaipan-eEHZpOm5b7/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8081546b-0eaa-4ac2-9b42-55f22b61c392/bin/utaipan-eEHZpOm5b7 --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 6c4e494ce5c4dce421612b608bcca5f034ca1031888feb61b9a4842be490db1c --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-11-25 19:02:10,162 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-25 19:02:10,164 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-25 19:02:10,196 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-25 19:02:10,197 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-25 19:02:10,203 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-25 19:02:10,205 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-25 19:02:10,207 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-25 19:02:10,211 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-25 19:02:10,215 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-25 19:02:10,216 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-25 19:02:10,218 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-25 19:02:10,220 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-25 19:02:10,226 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-25 19:02:10,228 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-25 19:02:10,229 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-25 19:02:10,230 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-25 19:02:10,231 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-25 19:02:10,237 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-25 19:02:10,241 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-25 19:02:10,247 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-25 19:02:10,249 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-25 19:02:10,251 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-25 19:02:10,253 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-25 19:02:10,258 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-25 19:02:10,266 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-25 19:02:10,266 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-25 19:02:10,267 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-25 19:02:10,268 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-25 19:02:10,273 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-25 19:02:10,274 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-25 19:02:10,275 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-25 19:02:10,275 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-25 19:02:10,276 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-25 19:02:10,278 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-25 19:02:10,279 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-25 19:02:10,281 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-25 19:02:10,281 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-25 19:02:10,282 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-25 19:02:10,283 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-25 19:02:10,285 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-25 19:02:10,286 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8081546b-0eaa-4ac2-9b42-55f22b61c392/bin/utaipan-eEHZpOm5b7/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf [2021-11-25 19:02:10,332 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-25 19:02:10,332 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-25 19:02:10,333 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-25 19:02:10,333 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-25 19:02:10,334 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-25 19:02:10,335 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-25 19:02:10,335 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-25 19:02:10,335 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-25 19:02:10,335 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-25 19:02:10,335 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-25 19:02:10,336 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-25 19:02:10,337 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-25 19:02:10,338 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-25 19:02:10,338 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-25 19:02:10,339 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-25 19:02:10,339 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-25 19:02:10,339 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-25 19:02:10,339 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-25 19:02:10,340 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-25 19:02:10,340 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-25 19:02:10,340 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-25 19:02:10,340 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-25 19:02:10,340 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-25 19:02:10,341 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-25 19:02:10,341 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-25 19:02:10,341 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-25 19:02:10,341 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-25 19:02:10,342 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-25 19:02:10,342 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-25 19:02:10,342 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 19:02:10,343 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-25 19:02:10,343 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-25 19:02:10,343 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-25 19:02:10,344 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-25 19:02:10,344 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-25 19:02:10,344 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-25 19:02:10,344 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_8081546b-0eaa-4ac2-9b42-55f22b61c392/bin/utaipan-eEHZpOm5b7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8081546b-0eaa-4ac2-9b42-55f22b61c392/bin/utaipan-eEHZpOm5b7 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6c4e494ce5c4dce421612b608bcca5f034ca1031888feb61b9a4842be490db1c [2021-11-25 19:02:10,741 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-25 19:02:10,763 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-25 19:02:10,765 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-25 19:02:10,766 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-25 19:02:10,767 INFO L275 PluginConnector]: CDTParser initialized [2021-11-25 19:02:10,768 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8081546b-0eaa-4ac2-9b42-55f22b61c392/bin/utaipan-eEHZpOm5b7/../../sv-benchmarks/c/busybox-1.22.0/tac-1.i [2021-11-25 19:02:10,825 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8081546b-0eaa-4ac2-9b42-55f22b61c392/bin/utaipan-eEHZpOm5b7/data/12f3d3b9e/a7c255729bf043b98de6d5f92b0195e6/FLAGb0f5870ba [2021-11-25 19:02:11,582 INFO L306 CDTParser]: Found 1 translation units. [2021-11-25 19:02:11,582 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8081546b-0eaa-4ac2-9b42-55f22b61c392/sv-benchmarks/c/busybox-1.22.0/tac-1.i [2021-11-25 19:02:11,618 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8081546b-0eaa-4ac2-9b42-55f22b61c392/bin/utaipan-eEHZpOm5b7/data/12f3d3b9e/a7c255729bf043b98de6d5f92b0195e6/FLAGb0f5870ba [2021-11-25 19:02:11,725 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8081546b-0eaa-4ac2-9b42-55f22b61c392/bin/utaipan-eEHZpOm5b7/data/12f3d3b9e/a7c255729bf043b98de6d5f92b0195e6 [2021-11-25 19:02:11,727 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-25 19:02:11,729 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-25 19:02:11,732 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-25 19:02:11,732 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-25 19:02:11,736 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-25 19:02:11,736 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 07:02:11" (1/1) ... [2021-11-25 19:02:11,738 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7643ace3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:02:11, skipping insertion in model container [2021-11-25 19:02:11,739 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 07:02:11" (1/1) ... [2021-11-25 19:02:11,746 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-25 19:02:11,860 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 19:02:13,113 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg [2021-11-25 19:02:13,114 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@d7b76b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:02:13, skipping insertion in model container [2021-11-25 19:02:13,114 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-25 19:02:13,114 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-25 19:02:13,117 INFO L158 Benchmark]: Toolchain (without parser) took 1386.93ms. Allocated memory was 54.5MB in the beginning and 79.7MB in the end (delta: 25.2MB). Free memory was 27.7MB in the beginning and 48.3MB in the end (delta: -20.5MB). Peak memory consumption was 9.5MB. Max. memory is 16.1GB. [2021-11-25 19:02:13,117 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 54.5MB. Free memory is still 36.3MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-25 19:02:13,118 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1382.73ms. Allocated memory was 54.5MB in the beginning and 79.7MB in the end (delta: 25.2MB). Free memory was 27.5MB in the beginning and 48.3MB in the end (delta: -20.8MB). Peak memory consumption was 9.5MB. Max. memory is 16.1GB. [2021-11-25 19:02:13,120 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 54.5MB. Free memory is still 36.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1382.73ms. Allocated memory was 54.5MB in the beginning and 79.7MB in the end (delta: 25.2MB). Free memory was 27.5MB in the beginning and 48.3MB in the end (delta: -20.8MB). Peak memory consumption was 9.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2259]: 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