./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 38b53e6a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db7a1370-aa8d-4d1d-ae02-c0ae84312fcd/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db7a1370-aa8d-4d1d-ae02-c0ae84312fcd/bin/utaipan-ByfvJB40ur/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db7a1370-aa8d-4d1d-ae02-c0ae84312fcd/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db7a1370-aa8d-4d1d-ae02-c0ae84312fcd/bin/utaipan-ByfvJB40ur/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_db7a1370-aa8d-4d1d-ae02-c0ae84312fcd/bin/utaipan-ByfvJB40ur/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db7a1370-aa8d-4d1d-ae02-c0ae84312fcd/bin/utaipan-ByfvJB40ur --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 --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-38b53e6 [2022-11-26 00:59:48,179 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-26 00:59:48,182 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-26 00:59:48,223 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-26 00:59:48,226 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-26 00:59:48,231 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-26 00:59:48,234 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-26 00:59:48,249 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-26 00:59:48,251 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-26 00:59:48,258 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-26 00:59:48,260 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-26 00:59:48,262 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-26 00:59:48,263 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-26 00:59:48,266 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-26 00:59:48,267 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-26 00:59:48,270 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-26 00:59:48,272 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-26 00:59:48,274 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-26 00:59:48,276 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-26 00:59:48,283 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-26 00:59:48,285 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-26 00:59:48,288 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-26 00:59:48,299 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-26 00:59:48,300 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-26 00:59:48,307 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-26 00:59:48,308 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-26 00:59:48,308 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-26 00:59:48,311 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-26 00:59:48,312 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-26 00:59:48,313 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-26 00:59:48,313 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-26 00:59:48,314 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-26 00:59:48,316 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-26 00:59:48,317 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-26 00:59:48,319 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-26 00:59:48,319 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-26 00:59:48,320 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-26 00:59:48,320 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-26 00:59:48,320 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-26 00:59:48,321 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-26 00:59:48,322 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-26 00:59:48,323 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db7a1370-aa8d-4d1d-ae02-c0ae84312fcd/bin/utaipan-ByfvJB40ur/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf [2022-11-26 00:59:48,370 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-26 00:59:48,370 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-26 00:59:48,371 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-26 00:59:48,371 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-26 00:59:48,372 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-26 00:59:48,372 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-26 00:59:48,372 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-26 00:59:48,373 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-26 00:59:48,373 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-26 00:59:48,373 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-26 00:59:48,374 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-26 00:59:48,375 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-26 00:59:48,375 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-26 00:59:48,375 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-26 00:59:48,375 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-26 00:59:48,376 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-26 00:59:48,376 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-26 00:59:48,376 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-26 00:59:48,377 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-26 00:59:48,377 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-26 00:59:48,377 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-26 00:59:48,377 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-26 00:59:48,377 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-26 00:59:48,378 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-26 00:59:48,378 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-11-26 00:59:48,379 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-11-26 00:59:48,379 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-11-26 00:59:48,379 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-26 00:59:48,380 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-26 00:59:48,380 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-26 00:59:48,380 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-26 00:59:48,380 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-26 00:59:48,380 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 00:59:48,381 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-26 00:59:48,381 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-26 00:59:48,381 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-26 00:59:48,381 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-26 00:59:48,382 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-26 00:59:48,382 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-26 00:59:48,382 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_db7a1370-aa8d-4d1d-ae02-c0ae84312fcd/bin/utaipan-ByfvJB40ur/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db7a1370-aa8d-4d1d-ae02-c0ae84312fcd/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 54cc5a11c5b06099a6895839d6a87d6277d743f89f1abe60a9a3406dc1e126e2 [2022-11-26 00:59:48,732 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-26 00:59:48,775 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-26 00:59:48,778 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-26 00:59:48,780 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-26 00:59:48,780 INFO L275 PluginConnector]: CDTParser initialized [2022-11-26 00:59:48,782 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db7a1370-aa8d-4d1d-ae02-c0ae84312fcd/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/busybox-1.22.0/mkfifo-incomplete-1.i [2022-11-26 00:59:52,316 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-26 00:59:52,707 INFO L351 CDTParser]: Found 1 translation units. [2022-11-26 00:59:52,709 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db7a1370-aa8d-4d1d-ae02-c0ae84312fcd/sv-benchmarks/c/busybox-1.22.0/mkfifo-incomplete-1.i [2022-11-26 00:59:52,746 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db7a1370-aa8d-4d1d-ae02-c0ae84312fcd/bin/utaipan-ByfvJB40ur/data/2babcaf3a/4b1e0ded15cd4e469b322836e7de1c74/FLAG9e4082771 [2022-11-26 00:59:52,891 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db7a1370-aa8d-4d1d-ae02-c0ae84312fcd/bin/utaipan-ByfvJB40ur/data/2babcaf3a/4b1e0ded15cd4e469b322836e7de1c74 [2022-11-26 00:59:52,894 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-26 00:59:52,896 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-26 00:59:52,897 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-26 00:59:52,898 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-26 00:59:52,905 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-26 00:59:52,906 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:59:52" (1/1) ... [2022-11-26 00:59:52,907 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f646670 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:59:52, skipping insertion in model container [2022-11-26 00:59:52,908 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:59:52" (1/1) ... [2022-11-26 00:59:52,915 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-26 00:59:52,978 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-26 00:59:53,897 WARN L623 FunctionHandler]: Unknown extern function strerror [2022-11-26 00:59:53,900 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg [2022-11-26 00:59:53,901 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@4cf87add and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:59:53, skipping insertion in model container [2022-11-26 00:59:53,901 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-26 00:59:53,902 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-11-26 00:59:53,904 INFO L158 Benchmark]: Toolchain (without parser) took 1007.20ms. Allocated memory is still 163.6MB. Free memory was 125.2MB in the beginning and 119.5MB in the end (delta: 5.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-26 00:59:53,904 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 130.0MB. Free memory is still 97.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-26 00:59:53,905 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1004.47ms. Allocated memory is still 163.6MB. Free memory was 125.2MB in the beginning and 119.5MB in the end (delta: 5.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-26 00:59:53,907 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 130.0MB. Free memory is still 97.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1004.47ms. Allocated memory is still 163.6MB. Free memory was 125.2MB in the beginning and 119.5MB in the end (delta: 5.8MB). Peak memory consumption was 10.5MB. 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/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db7a1370-aa8d-4d1d-ae02-c0ae84312fcd/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db7a1370-aa8d-4d1d-ae02-c0ae84312fcd/bin/utaipan-ByfvJB40ur/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db7a1370-aa8d-4d1d-ae02-c0ae84312fcd/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db7a1370-aa8d-4d1d-ae02-c0ae84312fcd/bin/utaipan-ByfvJB40ur/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_db7a1370-aa8d-4d1d-ae02-c0ae84312fcd/bin/utaipan-ByfvJB40ur/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db7a1370-aa8d-4d1d-ae02-c0ae84312fcd/bin/utaipan-ByfvJB40ur --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 --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-38b53e6 [2022-11-26 00:59:56,449 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-26 00:59:56,453 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-26 00:59:56,500 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-26 00:59:56,500 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-26 00:59:56,505 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-26 00:59:56,508 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-26 00:59:56,512 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-26 00:59:56,515 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-26 00:59:56,522 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-26 00:59:56,524 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-26 00:59:56,527 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-26 00:59:56,528 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-26 00:59:56,531 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-26 00:59:56,532 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-26 00:59:56,540 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-26 00:59:56,541 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-26 00:59:56,543 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-26 00:59:56,545 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-26 00:59:56,552 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-26 00:59:56,554 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-26 00:59:56,558 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-26 00:59:56,559 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-26 00:59:56,561 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-26 00:59:56,570 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-26 00:59:56,570 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-26 00:59:56,571 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-26 00:59:56,574 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-26 00:59:56,574 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-26 00:59:56,576 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-26 00:59:56,577 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-26 00:59:56,579 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-26 00:59:56,581 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-26 00:59:56,582 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-26 00:59:56,596 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-26 00:59:56,596 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-26 00:59:56,597 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-26 00:59:56,598 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-26 00:59:56,598 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-26 00:59:56,599 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-26 00:59:56,600 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-26 00:59:56,601 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db7a1370-aa8d-4d1d-ae02-c0ae84312fcd/bin/utaipan-ByfvJB40ur/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf [2022-11-26 00:59:56,653 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-26 00:59:56,653 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-26 00:59:56,654 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-26 00:59:56,654 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-26 00:59:56,655 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-26 00:59:56,656 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-26 00:59:56,656 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-26 00:59:56,656 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-26 00:59:56,656 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-26 00:59:56,657 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-26 00:59:56,658 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-26 00:59:56,658 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-26 00:59:56,659 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-26 00:59:56,659 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-26 00:59:56,660 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-26 00:59:56,660 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-26 00:59:56,660 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-26 00:59:56,660 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-26 00:59:56,661 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-11-26 00:59:56,661 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-11-26 00:59:56,661 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-11-26 00:59:56,661 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-26 00:59:56,662 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-26 00:59:56,662 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-26 00:59:56,662 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-26 00:59:56,662 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-26 00:59:56,663 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-26 00:59:56,663 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-26 00:59:56,663 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-26 00:59:56,663 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 00:59:56,664 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-26 00:59:56,664 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-26 00:59:56,664 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-26 00:59:56,665 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-26 00:59:56,665 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-26 00:59:56,665 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-26 00:59:56,665 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_db7a1370-aa8d-4d1d-ae02-c0ae84312fcd/bin/utaipan-ByfvJB40ur/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db7a1370-aa8d-4d1d-ae02-c0ae84312fcd/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 54cc5a11c5b06099a6895839d6a87d6277d743f89f1abe60a9a3406dc1e126e2 [2022-11-26 00:59:57,151 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-26 00:59:57,175 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-26 00:59:57,178 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-26 00:59:57,180 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-26 00:59:57,181 INFO L275 PluginConnector]: CDTParser initialized [2022-11-26 00:59:57,182 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db7a1370-aa8d-4d1d-ae02-c0ae84312fcd/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/busybox-1.22.0/mkfifo-incomplete-1.i [2022-11-26 01:00:00,551 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-26 01:00:01,037 INFO L351 CDTParser]: Found 1 translation units. [2022-11-26 01:00:01,038 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db7a1370-aa8d-4d1d-ae02-c0ae84312fcd/sv-benchmarks/c/busybox-1.22.0/mkfifo-incomplete-1.i [2022-11-26 01:00:01,072 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db7a1370-aa8d-4d1d-ae02-c0ae84312fcd/bin/utaipan-ByfvJB40ur/data/2d7ee1550/d41275b3843a41efb9cc8640c5679bde/FLAGb919f30ad [2022-11-26 01:00:01,088 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db7a1370-aa8d-4d1d-ae02-c0ae84312fcd/bin/utaipan-ByfvJB40ur/data/2d7ee1550/d41275b3843a41efb9cc8640c5679bde [2022-11-26 01:00:01,091 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-26 01:00:01,093 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-26 01:00:01,095 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-26 01:00:01,095 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-26 01:00:01,099 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-26 01:00:01,100 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 01:00:01" (1/1) ... [2022-11-26 01:00:01,101 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49238f2e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:00:01, skipping insertion in model container [2022-11-26 01:00:01,101 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 01:00:01" (1/1) ... [2022-11-26 01:00:01,109 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-26 01:00:01,195 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-26 01:00:02,200 WARN L623 FunctionHandler]: Unknown extern function strerror [2022-11-26 01:00:02,209 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg [2022-11-26 01:00:02,210 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6107448 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:00:02, skipping insertion in model container [2022-11-26 01:00:02,211 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-26 01:00:02,211 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-11-26 01:00:02,213 INFO L158 Benchmark]: Toolchain (without parser) took 1119.38ms. Allocated memory is still 67.1MB. Free memory was 37.7MB in the beginning and 30.6MB in the end (delta: 7.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-26 01:00:02,214 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 54.5MB. Free memory was 32.7MB in the beginning and 32.6MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-26 01:00:02,216 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1116.66ms. Allocated memory is still 67.1MB. Free memory was 37.6MB in the beginning and 30.6MB in the end (delta: 6.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-26 01:00:02,217 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 54.5MB. Free memory was 32.7MB in the beginning and 32.6MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1116.66ms. Allocated memory is still 67.1MB. Free memory was 37.6MB in the beginning and 30.6MB in the end (delta: 6.9MB). 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