./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 4e77c044 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_817d8df8-3e3a-455f-bb57-e6412cd8d3da/bin/utaipan-q2qaUkNPG8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_817d8df8-3e3a-455f-bb57-e6412cd8d3da/bin/utaipan-q2qaUkNPG8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_817d8df8-3e3a-455f-bb57-e6412cd8d3da/bin/utaipan-q2qaUkNPG8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_817d8df8-3e3a-455f-bb57-e6412cd8d3da/bin/utaipan-q2qaUkNPG8/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_817d8df8-3e3a-455f-bb57-e6412cd8d3da/bin/utaipan-q2qaUkNPG8/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_817d8df8-3e3a-455f-bb57-e6412cd8d3da/bin/utaipan-q2qaUkNPG8 --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 ae47ea464d7b3654b12768aa5faafe9c13473b69 ......................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_817d8df8-3e3a-455f-bb57-e6412cd8d3da/bin/utaipan-q2qaUkNPG8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_817d8df8-3e3a-455f-bb57-e6412cd8d3da/bin/utaipan-q2qaUkNPG8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_817d8df8-3e3a-455f-bb57-e6412cd8d3da/bin/utaipan-q2qaUkNPG8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_817d8df8-3e3a-455f-bb57-e6412cd8d3da/bin/utaipan-q2qaUkNPG8/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_817d8df8-3e3a-455f-bb57-e6412cd8d3da/bin/utaipan-q2qaUkNPG8/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_817d8df8-3e3a-455f-bb57-e6412cd8d3da/bin/utaipan-q2qaUkNPG8 --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 ae47ea464d7b3654b12768aa5faafe9c13473b69 ...................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.2.1-dev-4e77c04 [2021-10-13 07:36:04,746 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 07:36:04,750 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 07:36:04,817 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 07:36:04,818 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 07:36:04,819 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 07:36:04,821 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 07:36:04,824 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 07:36:04,826 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 07:36:04,827 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 07:36:04,829 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 07:36:04,830 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 07:36:04,831 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 07:36:04,832 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 07:36:04,834 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 07:36:04,836 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 07:36:04,837 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 07:36:04,838 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 07:36:04,840 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 07:36:04,843 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 07:36:04,845 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 07:36:04,847 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 07:36:04,849 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 07:36:04,850 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 07:36:04,854 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 07:36:04,855 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 07:36:04,856 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 07:36:04,857 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 07:36:04,858 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 07:36:04,859 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 07:36:04,860 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 07:36:04,861 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 07:36:04,862 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 07:36:04,863 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 07:36:04,864 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 07:36:04,864 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 07:36:04,865 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 07:36:04,866 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 07:36:04,866 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 07:36:04,868 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 07:36:04,869 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 07:36:04,870 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_817d8df8-3e3a-455f-bb57-e6412cd8d3da/bin/utaipan-q2qaUkNPG8/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf [2021-10-13 07:36:04,896 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 07:36:04,896 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 07:36:04,897 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-13 07:36:04,897 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-13 07:36:04,898 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-13 07:36:04,898 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-13 07:36:04,898 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-13 07:36:04,898 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-13 07:36:04,898 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-13 07:36:04,899 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-13 07:36:04,899 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-13 07:36:04,899 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-13 07:36:04,899 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-13 07:36:04,899 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-13 07:36:04,900 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-13 07:36:04,900 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-13 07:36:04,900 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-13 07:36:04,901 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 07:36:04,901 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-13 07:36:04,901 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 07:36:04,901 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 07:36:04,901 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-13 07:36:04,902 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-13 07:36:04,902 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-13 07:36:04,902 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 07:36:04,902 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-13 07:36:04,902 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 07:36:04,903 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 07:36:04,903 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-13 07:36:04,903 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 07:36:04,903 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 07:36:04,903 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 07:36:04,904 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-13 07:36:04,904 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-13 07:36:04,904 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 07:36:04,904 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-13 07:36:04,904 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_817d8df8-3e3a-455f-bb57-e6412cd8d3da/bin/utaipan-q2qaUkNPG8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_817d8df8-3e3a-455f-bb57-e6412cd8d3da/bin/utaipan-q2qaUkNPG8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ae47ea464d7b3654b12768aa5faafe9c13473b69 [2021-10-13 07:36:05,226 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 07:36:05,254 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 07:36:05,256 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 07:36:05,258 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 07:36:05,259 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 07:36:05,260 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_817d8df8-3e3a-455f-bb57-e6412cd8d3da/bin/utaipan-q2qaUkNPG8/../../sv-benchmarks/c/busybox-1.22.0/mkfifo-incomplete-1.i [2021-10-13 07:36:05,337 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_817d8df8-3e3a-455f-bb57-e6412cd8d3da/bin/utaipan-q2qaUkNPG8/data/2c13a8b3c/badc3336fce542f9a921f96585fd206b/FLAGdc2ae074c [2021-10-13 07:36:06,118 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 07:36:06,120 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_817d8df8-3e3a-455f-bb57-e6412cd8d3da/sv-benchmarks/c/busybox-1.22.0/mkfifo-incomplete-1.i [2021-10-13 07:36:06,160 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_817d8df8-3e3a-455f-bb57-e6412cd8d3da/bin/utaipan-q2qaUkNPG8/data/2c13a8b3c/badc3336fce542f9a921f96585fd206b/FLAGdc2ae074c [2021-10-13 07:36:06,274 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_817d8df8-3e3a-455f-bb57-e6412cd8d3da/bin/utaipan-q2qaUkNPG8/data/2c13a8b3c/badc3336fce542f9a921f96585fd206b [2021-10-13 07:36:06,280 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 07:36:06,283 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 07:36:06,288 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 07:36:06,289 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 07:36:06,293 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 07:36:06,294 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:36:06" (1/1) ... [2021-10-13 07:36:06,297 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@661fe748 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:36:06, skipping insertion in model container [2021-10-13 07:36:06,298 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:36:06" (1/1) ... [2021-10-13 07:36:06,307 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 07:36:06,404 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 07:36:07,528 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg [2021-10-13 07:36:07,529 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3c06e1a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:36:07, skipping insertion in model container [2021-10-13 07:36:07,529 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 07:36:07,530 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-13 07:36:07,533 INFO L168 Benchmark]: Toolchain (without parser) took 1248.00 ms. Allocated memory was 90.2 MB in the beginning and 127.9 MB in the end (delta: 37.7 MB). Free memory was 46.2 MB in the beginning and 90.6 MB in the end (delta: -44.4 MB). Peak memory consumption was 7.5 MB. Max. memory is 16.1 GB. [2021-10-13 07:36:07,534 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 90.2 MB. Free memory is still 66.9 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 07:36:07,536 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1241.34 ms. Allocated memory was 90.2 MB in the beginning and 127.9 MB in the end (delta: 37.7 MB). Free memory was 46.0 MB in the beginning and 90.6 MB in the end (delta: -44.6 MB). Peak memory consumption was 7.5 MB. Max. memory is 16.1 GB. [2021-10-13 07:36:07,538 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 90.2 MB. Free memory is still 66.9 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1241.34 ms. Allocated memory was 90.2 MB in the beginning and 127.9 MB in the end (delta: 37.7 MB). Free memory was 46.0 MB in the beginning and 90.6 MB in the end (delta: -44.6 MB). Peak memory consumption was 7.5 MB. Max. memory is 16.1 GB. * 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... ### Bit-precise run ### This is Ultimate 0.2.1-dev-4e77c04 [2021-10-13 07:36:10,110 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 07:36:10,112 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 07:36:10,171 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 07:36:10,171 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 07:36:10,176 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 07:36:10,177 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 07:36:10,180 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 07:36:10,182 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 07:36:10,183 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 07:36:10,184 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 07:36:10,186 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 07:36:10,186 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 07:36:10,188 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 07:36:10,189 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 07:36:10,191 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 07:36:10,192 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 07:36:10,193 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 07:36:10,203 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 07:36:10,205 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 07:36:10,207 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 07:36:10,210 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 07:36:10,212 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 07:36:10,213 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 07:36:10,217 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 07:36:10,218 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 07:36:10,218 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 07:36:10,220 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 07:36:10,220 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 07:36:10,227 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 07:36:10,228 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 07:36:10,229 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 07:36:10,231 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 07:36:10,233 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 07:36:10,237 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 07:36:10,238 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 07:36:10,239 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 07:36:10,239 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 07:36:10,239 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 07:36:10,242 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 07:36:10,243 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 07:36:10,249 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_817d8df8-3e3a-455f-bb57-e6412cd8d3da/bin/utaipan-q2qaUkNPG8/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf [2021-10-13 07:36:10,304 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 07:36:10,304 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 07:36:10,306 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-13 07:36:10,306 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-13 07:36:10,306 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-13 07:36:10,307 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-13 07:36:10,307 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-13 07:36:10,307 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-13 07:36:10,308 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-13 07:36:10,310 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-13 07:36:10,311 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-13 07:36:10,312 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 07:36:10,312 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-13 07:36:10,312 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 07:36:10,312 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 07:36:10,313 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-13 07:36:10,313 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-13 07:36:10,313 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-13 07:36:10,314 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 07:36:10,314 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-13 07:36:10,314 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-13 07:36:10,314 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-13 07:36:10,315 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 07:36:10,315 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 07:36:10,315 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-13 07:36:10,315 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-13 07:36:10,316 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 07:36:10,316 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 07:36:10,316 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 07:36:10,317 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-13 07:36:10,317 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-13 07:36:10,317 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 07:36:10,318 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-13 07:36:10,318 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_817d8df8-3e3a-455f-bb57-e6412cd8d3da/bin/utaipan-q2qaUkNPG8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_817d8df8-3e3a-455f-bb57-e6412cd8d3da/bin/utaipan-q2qaUkNPG8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ae47ea464d7b3654b12768aa5faafe9c13473b69 [2021-10-13 07:36:10,758 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 07:36:10,787 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 07:36:10,791 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 07:36:10,792 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 07:36:10,793 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 07:36:10,794 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_817d8df8-3e3a-455f-bb57-e6412cd8d3da/bin/utaipan-q2qaUkNPG8/../../sv-benchmarks/c/busybox-1.22.0/mkfifo-incomplete-1.i [2021-10-13 07:36:10,873 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_817d8df8-3e3a-455f-bb57-e6412cd8d3da/bin/utaipan-q2qaUkNPG8/data/6f9037f8f/04f91d5ad7e247d7871eec6fcc6b5602/FLAG2b41d27a6 [2021-10-13 07:36:11,846 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 07:36:11,847 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_817d8df8-3e3a-455f-bb57-e6412cd8d3da/sv-benchmarks/c/busybox-1.22.0/mkfifo-incomplete-1.i [2021-10-13 07:36:11,892 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_817d8df8-3e3a-455f-bb57-e6412cd8d3da/bin/utaipan-q2qaUkNPG8/data/6f9037f8f/04f91d5ad7e247d7871eec6fcc6b5602/FLAG2b41d27a6 [2021-10-13 07:36:11,938 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_817d8df8-3e3a-455f-bb57-e6412cd8d3da/bin/utaipan-q2qaUkNPG8/data/6f9037f8f/04f91d5ad7e247d7871eec6fcc6b5602 [2021-10-13 07:36:11,941 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 07:36:11,942 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 07:36:11,944 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 07:36:11,944 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 07:36:11,954 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 07:36:11,955 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:36:11" (1/1) ... [2021-10-13 07:36:11,956 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@207f4ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:36:11, skipping insertion in model container [2021-10-13 07:36:11,956 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:36:11" (1/1) ... [2021-10-13 07:36:11,965 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 07:36:12,070 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 07:36:13,155 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg [2021-10-13 07:36:13,156 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@7be02888 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:36:13, skipping insertion in model container [2021-10-13 07:36:13,156 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 07:36:13,157 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-13 07:36:13,160 INFO L168 Benchmark]: Toolchain (without parser) took 1215.85 ms. Allocated memory was 56.6 MB in the beginning and 77.6 MB in the end (delta: 21.0 MB). Free memory was 29.9 MB in the beginning and 55.5 MB in the end (delta: -25.6 MB). Peak memory consumption was 10.4 MB. Max. memory is 16.1 GB. [2021-10-13 07:36:13,161 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 56.6 MB. Free memory is still 36.4 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 07:36:13,165 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1213.16 ms. Allocated memory was 56.6 MB in the beginning and 77.6 MB in the end (delta: 21.0 MB). Free memory was 29.7 MB in the beginning and 55.5 MB in the end (delta: -25.8 MB). Peak memory consumption was 10.4 MB. Max. memory is 16.1 GB. [2021-10-13 07:36:13,167 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 56.6 MB. Free memory is still 36.4 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1213.16 ms. Allocated memory was 56.6 MB in the beginning and 77.6 MB in the end (delta: 21.0 MB). Free memory was 29.7 MB in the beginning and 55.5 MB in the end (delta: -25.8 MB). Peak memory consumption was 10.4 MB. Max. memory is 16.1 GB. * 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...