./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/busybox-1.22.0/mkfifo-incomplete-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_5f030754-868a-4047-9ca6-e9dbcf530d44/bin/utaipan-TEXQjIfE4P/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f030754-868a-4047-9ca6-e9dbcf530d44/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_5f030754-868a-4047-9ca6-e9dbcf530d44/bin/utaipan-TEXQjIfE4P/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f030754-868a-4047-9ca6-e9dbcf530d44/bin/utaipan-TEXQjIfE4P/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/mkfifo-incomplete-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f030754-868a-4047-9ca6-e9dbcf530d44/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_5f030754-868a-4047-9ca6-e9dbcf530d44/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 54cc5a11c5b06099a6895839d6a87d6277d743f89f1abe60a9a3406dc1e126e2 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-20 23:55:55,490 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-20 23:55:55,492 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-20 23:55:55,523 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-20 23:55:55,524 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-20 23:55:55,525 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-20 23:55:55,527 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-20 23:55:55,530 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-20 23:55:55,533 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-20 23:55:55,534 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-20 23:55:55,535 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-20 23:55:55,537 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-20 23:55:55,538 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-20 23:55:55,539 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-20 23:55:55,541 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-20 23:55:55,543 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-20 23:55:55,544 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-20 23:55:55,545 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-20 23:55:55,548 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-20 23:55:55,551 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-20 23:55:55,553 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-20 23:55:55,559 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-20 23:55:55,568 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-20 23:55:55,569 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-20 23:55:55,573 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-20 23:55:55,577 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-20 23:55:55,578 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-20 23:55:55,579 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-20 23:55:55,580 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-20 23:55:55,581 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-20 23:55:55,581 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-20 23:55:55,582 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-20 23:55:55,583 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-20 23:55:55,584 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-20 23:55:55,585 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-20 23:55:55,586 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-20 23:55:55,586 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-20 23:55:55,586 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-20 23:55:55,587 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-20 23:55:55,588 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-20 23:55:55,588 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-20 23:55:55,589 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f030754-868a-4047-9ca6-e9dbcf530d44/bin/utaipan-TEXQjIfE4P/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf [2021-11-20 23:55:55,627 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-20 23:55:55,631 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-20 23:55:55,632 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-20 23:55:55,632 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-20 23:55:55,633 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-20 23:55:55,634 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-20 23:55:55,634 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-20 23:55:55,634 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-20 23:55:55,634 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-20 23:55:55,635 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-20 23:55:55,636 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-20 23:55:55,636 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-20 23:55:55,636 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-20 23:55:55,636 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-20 23:55:55,637 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-20 23:55:55,637 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-20 23:55:55,637 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-20 23:55:55,637 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-20 23:55:55,638 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-20 23:55:55,638 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-20 23:55:55,639 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-20 23:55:55,639 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-20 23:55:55,639 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-20 23:55:55,639 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-20 23:55:55,640 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-20 23:55:55,640 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-20 23:55:55,640 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-20 23:55:55,640 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-20 23:55:55,640 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-20 23:55:55,641 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-20 23:55:55,641 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-20 23:55:55,641 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-20 23:55:55,642 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 23:55:55,642 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-20 23:55:55,642 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-20 23:55:55,642 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-20 23:55:55,643 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-20 23:55:55,643 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-20 23:55:55,643 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-20 23:55:55,643 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_5f030754-868a-4047-9ca6-e9dbcf530d44/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f030754-868a-4047-9ca6-e9dbcf530d44/bin/utaipan-TEXQjIfE4P Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 54cc5a11c5b06099a6895839d6a87d6277d743f89f1abe60a9a3406dc1e126e2 [2021-11-20 23:55:55,882 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-20 23:55:55,918 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-20 23:55:55,921 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-20 23:55:55,922 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-20 23:55:55,925 INFO L275 PluginConnector]: CDTParser initialized [2021-11-20 23:55:55,926 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f030754-868a-4047-9ca6-e9dbcf530d44/bin/utaipan-TEXQjIfE4P/../../sv-benchmarks/c/busybox-1.22.0/mkfifo-incomplete-1.i [2021-11-20 23:55:56,007 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f030754-868a-4047-9ca6-e9dbcf530d44/bin/utaipan-TEXQjIfE4P/data/7dae2ecba/fe756469a6a94b6fad83cb8a01d9ba27/FLAGec9f3b7fa [2021-11-20 23:55:56,762 INFO L306 CDTParser]: Found 1 translation units. [2021-11-20 23:55:56,763 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f030754-868a-4047-9ca6-e9dbcf530d44/sv-benchmarks/c/busybox-1.22.0/mkfifo-incomplete-1.i [2021-11-20 23:55:56,798 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f030754-868a-4047-9ca6-e9dbcf530d44/bin/utaipan-TEXQjIfE4P/data/7dae2ecba/fe756469a6a94b6fad83cb8a01d9ba27/FLAGec9f3b7fa [2021-11-20 23:55:56,931 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f030754-868a-4047-9ca6-e9dbcf530d44/bin/utaipan-TEXQjIfE4P/data/7dae2ecba/fe756469a6a94b6fad83cb8a01d9ba27 [2021-11-20 23:55:56,933 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-20 23:55:56,935 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-20 23:55:56,937 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-20 23:55:56,937 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-20 23:55:56,943 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-20 23:55:56,944 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:55:56" (1/1) ... [2021-11-20 23:55:56,945 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a86cc19 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:55:56, skipping insertion in model container [2021-11-20 23:55:56,945 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:55:56" (1/1) ... [2021-11-20 23:55:56,953 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-20 23:55:57,021 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-20 23:55:57,967 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg [2021-11-20 23:55:57,968 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@74e26712 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:55:57, skipping insertion in model container [2021-11-20 23:55:57,968 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-20 23:55:57,969 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-20 23:55:57,971 INFO L158 Benchmark]: Toolchain (without parser) took 1034.96ms. Allocated memory is still 92.3MB. Free memory was 54.2MB in the beginning and 63.1MB in the end (delta: -8.9MB). Peak memory consumption was 17.5MB. Max. memory is 16.1GB. [2021-11-20 23:55:57,971 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 75.5MB. Free memory is still 38.8MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 23:55:57,972 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1031.52ms. Allocated memory is still 92.3MB. Free memory was 54.0MB in the beginning and 63.1MB in the end (delta: -9.1MB). Peak memory consumption was 17.5MB. Max. memory is 16.1GB. [2021-11-20 23:55:57,974 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 75.5MB. Free memory is still 38.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1031.52ms. Allocated memory is still 92.3MB. Free memory was 54.0MB in the beginning and 63.1MB in the end (delta: -9.1MB). Peak memory consumption was 17.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 1913]: 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_5f030754-868a-4047-9ca6-e9dbcf530d44/bin/utaipan-TEXQjIfE4P/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f030754-868a-4047-9ca6-e9dbcf530d44/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_5f030754-868a-4047-9ca6-e9dbcf530d44/bin/utaipan-TEXQjIfE4P/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f030754-868a-4047-9ca6-e9dbcf530d44/bin/utaipan-TEXQjIfE4P/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/mkfifo-incomplete-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f030754-868a-4047-9ca6-e9dbcf530d44/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_5f030754-868a-4047-9ca6-e9dbcf530d44/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 54cc5a11c5b06099a6895839d6a87d6277d743f89f1abe60a9a3406dc1e126e2 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-20 23:56:00,259 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-20 23:56:00,262 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-20 23:56:00,317 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-20 23:56:00,318 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-20 23:56:00,322 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-20 23:56:00,325 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-20 23:56:00,329 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-20 23:56:00,333 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-20 23:56:00,344 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-20 23:56:00,345 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-20 23:56:00,347 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-20 23:56:00,348 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-20 23:56:00,351 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-20 23:56:00,353 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-20 23:56:00,359 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-20 23:56:00,360 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-20 23:56:00,361 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-20 23:56:00,363 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-20 23:56:00,366 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-20 23:56:00,368 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-20 23:56:00,369 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-20 23:56:00,371 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-20 23:56:00,372 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-20 23:56:00,376 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-20 23:56:00,376 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-20 23:56:00,377 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-20 23:56:00,378 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-20 23:56:00,379 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-20 23:56:00,380 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-20 23:56:00,380 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-20 23:56:00,381 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-20 23:56:00,382 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-20 23:56:00,383 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-20 23:56:00,385 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-20 23:56:00,385 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-20 23:56:00,386 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-20 23:56:00,386 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-20 23:56:00,387 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-20 23:56:00,388 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-20 23:56:00,390 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-20 23:56:00,391 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f030754-868a-4047-9ca6-e9dbcf530d44/bin/utaipan-TEXQjIfE4P/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf [2021-11-20 23:56:00,429 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-20 23:56:00,429 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-20 23:56:00,430 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-20 23:56:00,430 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-20 23:56:00,431 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-20 23:56:00,432 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-20 23:56:00,432 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-20 23:56:00,432 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-20 23:56:00,432 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-20 23:56:00,433 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-20 23:56:00,434 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-20 23:56:00,434 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-20 23:56:00,435 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-20 23:56:00,435 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-20 23:56:00,436 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-20 23:56:00,436 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-20 23:56:00,436 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-20 23:56:00,437 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-20 23:56:00,437 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-11-20 23:56:00,437 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-11-20 23:56:00,437 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-11-20 23:56:00,438 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-20 23:56:00,438 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-20 23:56:00,438 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-20 23:56:00,438 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-20 23:56:00,439 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-20 23:56:00,439 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-20 23:56:00,439 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-20 23:56:00,439 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-20 23:56:00,440 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 23:56:00,440 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-20 23:56:00,440 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-20 23:56:00,441 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-20 23:56:00,441 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-20 23:56:00,441 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-20 23:56:00,441 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-20 23:56:00,442 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_5f030754-868a-4047-9ca6-e9dbcf530d44/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f030754-868a-4047-9ca6-e9dbcf530d44/bin/utaipan-TEXQjIfE4P Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 54cc5a11c5b06099a6895839d6a87d6277d743f89f1abe60a9a3406dc1e126e2 [2021-11-20 23:56:00,861 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-20 23:56:00,892 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-20 23:56:00,895 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-20 23:56:00,896 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-20 23:56:00,897 INFO L275 PluginConnector]: CDTParser initialized [2021-11-20 23:56:00,898 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f030754-868a-4047-9ca6-e9dbcf530d44/bin/utaipan-TEXQjIfE4P/../../sv-benchmarks/c/busybox-1.22.0/mkfifo-incomplete-1.i [2021-11-20 23:56:00,969 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f030754-868a-4047-9ca6-e9dbcf530d44/bin/utaipan-TEXQjIfE4P/data/a7e166c52/92364c3870f94b1db3eead4ea50aab87/FLAG5d87b8436 [2021-11-20 23:56:01,768 INFO L306 CDTParser]: Found 1 translation units. [2021-11-20 23:56:01,772 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f030754-868a-4047-9ca6-e9dbcf530d44/sv-benchmarks/c/busybox-1.22.0/mkfifo-incomplete-1.i [2021-11-20 23:56:01,814 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f030754-868a-4047-9ca6-e9dbcf530d44/bin/utaipan-TEXQjIfE4P/data/a7e166c52/92364c3870f94b1db3eead4ea50aab87/FLAG5d87b8436 [2021-11-20 23:56:01,903 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f030754-868a-4047-9ca6-e9dbcf530d44/bin/utaipan-TEXQjIfE4P/data/a7e166c52/92364c3870f94b1db3eead4ea50aab87 [2021-11-20 23:56:01,906 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-20 23:56:01,908 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-20 23:56:01,911 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-20 23:56:01,911 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-20 23:56:01,915 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-20 23:56:01,916 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:56:01" (1/1) ... [2021-11-20 23:56:01,918 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@65c30a80 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:56:01, skipping insertion in model container [2021-11-20 23:56:01,919 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 11:56:01" (1/1) ... [2021-11-20 23:56:01,926 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-20 23:56:02,017 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-20 23:56:03,065 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg [2021-11-20 23:56:03,068 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@a76fecc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 11:56:03, skipping insertion in model container [2021-11-20 23:56:03,068 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-20 23:56:03,069 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-20 23:56:03,072 INFO L158 Benchmark]: Toolchain (without parser) took 1162.04ms. Allocated memory was 58.7MB in the beginning and 77.6MB in the end (delta: 18.9MB). Free memory was 32.4MB in the beginning and 51.0MB in the end (delta: -18.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-20 23:56:03,074 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 58.7MB. Free memory was 39.7MB in the beginning and 39.6MB in the end (delta: 42.7kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 23:56:03,076 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1157.85ms. Allocated memory was 58.7MB in the beginning and 77.6MB in the end (delta: 18.9MB). Free memory was 32.2MB in the beginning and 51.3MB in the end (delta: -19.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-20 23:56:03,078 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 58.7MB. Free memory was 39.7MB in the beginning and 39.6MB in the end (delta: 42.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1157.85ms. Allocated memory was 58.7MB in the beginning and 77.6MB in the end (delta: 18.9MB). Free memory was 32.2MB in the beginning and 51.3MB in the end (delta: -19.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 1913]: 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