./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 e04fb08f 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_86377e7d-448e-4cda-b397-3e60cd3abcca/bin/utaipan-Xvt2sAort0/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86377e7d-448e-4cda-b397-3e60cd3abcca/bin/utaipan-Xvt2sAort0/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86377e7d-448e-4cda-b397-3e60cd3abcca/bin/utaipan-Xvt2sAort0/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86377e7d-448e-4cda-b397-3e60cd3abcca/bin/utaipan-Xvt2sAort0/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_86377e7d-448e-4cda-b397-3e60cd3abcca/bin/utaipan-Xvt2sAort0/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86377e7d-448e-4cda-b397-3e60cd3abcca/bin/utaipan-Xvt2sAort0 --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-e04fb08 [2022-11-16 15:53:07,247 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 15:53:07,249 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 15:53:07,276 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 15:53:07,276 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 15:53:07,277 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 15:53:07,281 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 15:53:07,288 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 15:53:07,291 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 15:53:07,297 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 15:53:07,298 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 15:53:07,301 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 15:53:07,301 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 15:53:07,304 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 15:53:07,307 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 15:53:07,312 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 15:53:07,314 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 15:53:07,315 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 15:53:07,317 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 15:53:07,320 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 15:53:07,325 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 15:53:07,326 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 15:53:07,328 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 15:53:07,329 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 15:53:07,336 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 15:53:07,340 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 15:53:07,341 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 15:53:07,342 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 15:53:07,342 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 15:53:07,344 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 15:53:07,345 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 15:53:07,345 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 15:53:07,347 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 15:53:07,348 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 15:53:07,350 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 15:53:07,350 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 15:53:07,351 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 15:53:07,351 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 15:53:07,351 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 15:53:07,352 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 15:53:07,353 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 15:53:07,354 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86377e7d-448e-4cda-b397-3e60cd3abcca/bin/utaipan-Xvt2sAort0/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf [2022-11-16 15:53:07,397 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 15:53:07,398 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 15:53:07,399 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 15:53:07,399 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 15:53:07,400 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 15:53:07,400 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 15:53:07,400 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-16 15:53:07,401 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-16 15:53:07,401 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-16 15:53:07,401 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-16 15:53:07,402 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-16 15:53:07,403 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-16 15:53:07,403 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-16 15:53:07,403 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-16 15:53:07,403 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-16 15:53:07,404 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-16 15:53:07,404 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-16 15:53:07,404 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-16 15:53:07,405 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 15:53:07,405 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 15:53:07,405 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 15:53:07,406 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-16 15:53:07,406 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 15:53:07,406 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 15:53:07,408 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-11-16 15:53:07,408 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-11-16 15:53:07,408 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-11-16 15:53:07,408 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 15:53:07,409 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-16 15:53:07,409 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 15:53:07,409 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 15:53:07,410 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 15:53:07,410 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 15:53:07,410 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 15:53:07,410 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-16 15:53:07,411 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 15:53:07,411 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-16 15:53:07,411 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-16 15:53:07,411 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-16 15:53:07,412 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_86377e7d-448e-4cda-b397-3e60cd3abcca/bin/utaipan-Xvt2sAort0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86377e7d-448e-4cda-b397-3e60cd3abcca/bin/utaipan-Xvt2sAort0 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 54cc5a11c5b06099a6895839d6a87d6277d743f89f1abe60a9a3406dc1e126e2 [2022-11-16 15:53:07,675 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 15:53:07,697 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 15:53:07,700 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 15:53:07,701 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 15:53:07,702 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 15:53:07,703 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86377e7d-448e-4cda-b397-3e60cd3abcca/bin/utaipan-Xvt2sAort0/../../sv-benchmarks/c/busybox-1.22.0/mkfifo-incomplete-1.i [2022-11-16 15:53:07,760 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86377e7d-448e-4cda-b397-3e60cd3abcca/bin/utaipan-Xvt2sAort0/data/6ad910127/401f470a76a74b19993581a486c7a60f/FLAG0e75c756c [2022-11-16 15:53:08,513 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 15:53:08,514 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86377e7d-448e-4cda-b397-3e60cd3abcca/sv-benchmarks/c/busybox-1.22.0/mkfifo-incomplete-1.i [2022-11-16 15:53:08,552 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86377e7d-448e-4cda-b397-3e60cd3abcca/bin/utaipan-Xvt2sAort0/data/6ad910127/401f470a76a74b19993581a486c7a60f/FLAG0e75c756c [2022-11-16 15:53:08,671 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86377e7d-448e-4cda-b397-3e60cd3abcca/bin/utaipan-Xvt2sAort0/data/6ad910127/401f470a76a74b19993581a486c7a60f [2022-11-16 15:53:08,674 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 15:53:08,675 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 15:53:08,683 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 15:53:08,683 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 15:53:08,687 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 15:53:08,688 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 03:53:08" (1/1) ... [2022-11-16 15:53:08,689 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@23db2615 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:53:08, skipping insertion in model container [2022-11-16 15:53:08,689 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 03:53:08" (1/1) ... [2022-11-16 15:53:08,696 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 15:53:08,749 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 15:53:10,110 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg [2022-11-16 15:53:10,111 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3f705605 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:53:10, skipping insertion in model container [2022-11-16 15:53:10,112 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 15:53:10,112 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-11-16 15:53:10,114 INFO L158 Benchmark]: Toolchain (without parser) took 1437.97ms. Allocated memory is still 115.3MB. Free memory was 91.2MB in the beginning and 78.9MB in the end (delta: 12.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-16 15:53:10,115 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 115.3MB. Free memory is still 86.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 15:53:10,117 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1429.08ms. Allocated memory is still 115.3MB. Free memory was 90.9MB in the beginning and 78.9MB in the end (delta: 12.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-16 15:53:10,119 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 115.3MB. Free memory is still 86.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1429.08ms. Allocated memory is still 115.3MB. Free memory was 90.9MB in the beginning and 78.9MB in the end (delta: 12.0MB). 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_86377e7d-448e-4cda-b397-3e60cd3abcca/bin/utaipan-Xvt2sAort0/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86377e7d-448e-4cda-b397-3e60cd3abcca/bin/utaipan-Xvt2sAort0/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86377e7d-448e-4cda-b397-3e60cd3abcca/bin/utaipan-Xvt2sAort0/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86377e7d-448e-4cda-b397-3e60cd3abcca/bin/utaipan-Xvt2sAort0/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_86377e7d-448e-4cda-b397-3e60cd3abcca/bin/utaipan-Xvt2sAort0/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86377e7d-448e-4cda-b397-3e60cd3abcca/bin/utaipan-Xvt2sAort0 --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-e04fb08 [2022-11-16 15:53:12,180 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 15:53:12,182 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 15:53:12,203 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 15:53:12,204 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 15:53:12,205 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 15:53:12,206 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 15:53:12,210 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 15:53:12,212 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 15:53:12,213 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 15:53:12,214 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 15:53:12,215 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 15:53:12,216 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 15:53:12,217 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 15:53:12,218 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 15:53:12,219 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 15:53:12,220 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 15:53:12,221 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 15:53:12,228 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 15:53:12,238 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 15:53:12,241 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 15:53:12,246 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 15:53:12,247 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 15:53:12,248 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 15:53:12,252 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 15:53:12,252 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 15:53:12,252 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 15:53:12,253 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 15:53:12,254 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 15:53:12,255 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 15:53:12,255 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 15:53:12,256 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 15:53:12,257 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 15:53:12,258 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 15:53:12,266 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 15:53:12,267 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 15:53:12,270 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 15:53:12,271 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 15:53:12,271 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 15:53:12,275 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 15:53:12,275 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 15:53:12,281 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86377e7d-448e-4cda-b397-3e60cd3abcca/bin/utaipan-Xvt2sAort0/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf [2022-11-16 15:53:12,324 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 15:53:12,324 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 15:53:12,326 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 15:53:12,326 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 15:53:12,327 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 15:53:12,327 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 15:53:12,328 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-16 15:53:12,328 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-16 15:53:12,328 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-16 15:53:12,328 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-16 15:53:12,328 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-16 15:53:12,328 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-16 15:53:12,335 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 15:53:12,335 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 15:53:12,336 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 15:53:12,336 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-16 15:53:12,336 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 15:53:12,336 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 15:53:12,336 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2022-11-16 15:53:12,337 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2022-11-16 15:53:12,337 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2022-11-16 15:53:12,337 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 15:53:12,337 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-16 15:53:12,337 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-16 15:53:12,338 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-16 15:53:12,338 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 15:53:12,338 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 15:53:12,338 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 15:53:12,339 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 15:53:12,339 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 15:53:12,339 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 15:53:12,339 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 15:53:12,339 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-16 15:53:12,340 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-16 15:53:12,340 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-16 15:53:12,340 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-16 15:53:12,340 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_86377e7d-448e-4cda-b397-3e60cd3abcca/bin/utaipan-Xvt2sAort0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86377e7d-448e-4cda-b397-3e60cd3abcca/bin/utaipan-Xvt2sAort0 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 54cc5a11c5b06099a6895839d6a87d6277d743f89f1abe60a9a3406dc1e126e2 [2022-11-16 15:53:12,743 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 15:53:12,772 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 15:53:12,775 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 15:53:12,776 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 15:53:12,777 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 15:53:12,779 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86377e7d-448e-4cda-b397-3e60cd3abcca/bin/utaipan-Xvt2sAort0/../../sv-benchmarks/c/busybox-1.22.0/mkfifo-incomplete-1.i [2022-11-16 15:53:12,864 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86377e7d-448e-4cda-b397-3e60cd3abcca/bin/utaipan-Xvt2sAort0/data/00b2e157e/01e0378475a34ad0aec6c081e4de7b41/FLAG95c49aa6c [2022-11-16 15:53:13,601 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 15:53:13,601 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86377e7d-448e-4cda-b397-3e60cd3abcca/sv-benchmarks/c/busybox-1.22.0/mkfifo-incomplete-1.i [2022-11-16 15:53:13,627 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86377e7d-448e-4cda-b397-3e60cd3abcca/bin/utaipan-Xvt2sAort0/data/00b2e157e/01e0378475a34ad0aec6c081e4de7b41/FLAG95c49aa6c [2022-11-16 15:53:13,733 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86377e7d-448e-4cda-b397-3e60cd3abcca/bin/utaipan-Xvt2sAort0/data/00b2e157e/01e0378475a34ad0aec6c081e4de7b41 [2022-11-16 15:53:13,735 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 15:53:13,737 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 15:53:13,738 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 15:53:13,738 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 15:53:13,743 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 15:53:13,744 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 03:53:13" (1/1) ... [2022-11-16 15:53:13,745 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@17a09c5d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:53:13, skipping insertion in model container [2022-11-16 15:53:13,746 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 03:53:13" (1/1) ... [2022-11-16 15:53:13,754 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 15:53:13,836 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 15:53:14,841 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg [2022-11-16 15:53:14,844 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@60946b4f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:53:14, skipping insertion in model container [2022-11-16 15:53:14,844 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 15:53:14,844 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-11-16 15:53:14,848 INFO L158 Benchmark]: Toolchain (without parser) took 1109.82ms. Allocated memory was 60.8MB in the beginning and 86.0MB in the end (delta: 25.2MB). Free memory was 37.3MB in the beginning and 60.4MB in the end (delta: -23.1MB). Peak memory consumption was 12.5MB. Max. memory is 16.1GB. [2022-11-16 15:53:14,849 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 60.8MB. Free memory was 42.9MB in the beginning and 42.8MB in the end (delta: 50.3kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 15:53:14,851 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1106.50ms. Allocated memory was 60.8MB in the beginning and 86.0MB in the end (delta: 25.2MB). Free memory was 37.1MB in the beginning and 60.4MB in the end (delta: -23.3MB). Peak memory consumption was 12.5MB. Max. memory is 16.1GB. [2022-11-16 15:53:14,854 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 60.8MB. Free memory was 42.9MB in the beginning and 42.8MB in the end (delta: 50.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1106.50ms. Allocated memory was 60.8MB in the beginning and 86.0MB in the end (delta: 25.2MB). Free memory was 37.1MB in the beginning and 60.4MB in the end (delta: -23.3MB). Peak memory consumption was 12.5MB. 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 Writing output log to file Ultimate.log Result: UNKNOWN