./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/busybox-1.22.0/mkfifo-incomplete-2.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae28340e-751f-42f0-8fa7-a09e547b6d84/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae28340e-751f-42f0-8fa7-a09e547b6d84/bin/utaipan-gh47qXpMRh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae28340e-751f-42f0-8fa7-a09e547b6d84/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae28340e-751f-42f0-8fa7-a09e547b6d84/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/busybox-1.22.0/mkfifo-incomplete-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae28340e-751f-42f0-8fa7-a09e547b6d84/bin/utaipan-gh47qXpMRh/config/svcomp-Overflow-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae28340e-751f-42f0-8fa7-a09e547b6d84/bin/utaipan-gh47qXpMRh --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 1b8d29d2fdd902e339ca249d1b89e96810c3d16df2091bf68778b1ea03a3bccf --- 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-2329fc7 [2022-12-14 13:12:40,034 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 13:12:40,036 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 13:12:40,048 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 13:12:40,048 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 13:12:40,049 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 13:12:40,050 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 13:12:40,051 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 13:12:40,052 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 13:12:40,053 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 13:12:40,053 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 13:12:40,054 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 13:12:40,054 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 13:12:40,055 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 13:12:40,056 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 13:12:40,057 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 13:12:40,057 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 13:12:40,058 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 13:12:40,059 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 13:12:40,060 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 13:12:40,061 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 13:12:40,062 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 13:12:40,062 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 13:12:40,063 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 13:12:40,065 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 13:12:40,065 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 13:12:40,065 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 13:12:40,066 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 13:12:40,066 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 13:12:40,067 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 13:12:40,067 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 13:12:40,068 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 13:12:40,068 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 13:12:40,069 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 13:12:40,069 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 13:12:40,070 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 13:12:40,070 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 13:12:40,070 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 13:12:40,070 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 13:12:40,071 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 13:12:40,071 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 13:12:40,072 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae28340e-751f-42f0-8fa7-a09e547b6d84/bin/utaipan-gh47qXpMRh/config/svcomp-Overflow-64bit-Taipan_Default.epf [2022-12-14 13:12:40,086 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 13:12:40,086 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 13:12:40,087 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 13:12:40,087 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 13:12:40,087 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 13:12:40,087 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 13:12:40,087 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 13:12:40,087 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 13:12:40,088 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 13:12:40,088 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 13:12:40,088 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 13:12:40,088 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 13:12:40,088 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 13:12:40,088 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 13:12:40,088 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 13:12:40,089 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 13:12:40,089 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 13:12:40,089 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 13:12:40,089 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 13:12:40,089 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 13:12:40,090 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 13:12:40,090 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 13:12:40,090 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 13:12:40,090 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 13:12:40,090 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 13:12:40,090 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-14 13:12:40,090 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 13:12:40,091 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 13:12:40,091 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 13:12:40,091 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 13:12:40,091 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 13:12:40,091 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 13:12:40,091 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 13:12:40,092 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 13:12:40,092 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 13:12:40,092 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 13:12:40,092 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 13:12:40,092 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 13:12:40,092 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 13:12:40,092 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 13:12:40,092 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_ae28340e-751f-42f0-8fa7-a09e547b6d84/bin/utaipan-gh47qXpMRh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae28340e-751f-42f0-8fa7-a09e547b6d84/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1b8d29d2fdd902e339ca249d1b89e96810c3d16df2091bf68778b1ea03a3bccf [2022-12-14 13:12:40,288 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 13:12:40,307 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 13:12:40,310 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 13:12:40,311 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 13:12:40,311 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 13:12:40,313 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae28340e-751f-42f0-8fa7-a09e547b6d84/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/busybox-1.22.0/mkfifo-incomplete-2.i [2022-12-14 13:12:42,812 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 13:12:43,076 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 13:12:43,076 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae28340e-751f-42f0-8fa7-a09e547b6d84/sv-benchmarks/c/busybox-1.22.0/mkfifo-incomplete-2.i [2022-12-14 13:12:43,098 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae28340e-751f-42f0-8fa7-a09e547b6d84/bin/utaipan-gh47qXpMRh/data/b7a3e1c8c/8ef1216939ea4106aa4a1123371924b9/FLAG3a482b9e0 [2022-12-14 13:12:43,108 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae28340e-751f-42f0-8fa7-a09e547b6d84/bin/utaipan-gh47qXpMRh/data/b7a3e1c8c/8ef1216939ea4106aa4a1123371924b9 [2022-12-14 13:12:43,110 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 13:12:43,111 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 13:12:43,112 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 13:12:43,112 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 13:12:43,115 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 13:12:43,116 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 01:12:43" (1/1) ... [2022-12-14 13:12:43,117 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75f887bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 01:12:43, skipping insertion in model container [2022-12-14 13:12:43,117 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 01:12:43" (1/1) ... [2022-12-14 13:12:43,122 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 13:12:43,173 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 13:12:43,794 WARN L623 FunctionHandler]: Unknown extern function strerror [2022-12-14 13:12:43,797 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg [2022-12-14 13:12:43,798 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@661dc792 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 01:12:43, skipping insertion in model container [2022-12-14 13:12:43,798 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 13:12:43,798 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-12-14 13:12:43,800 INFO L158 Benchmark]: Toolchain (without parser) took 687.76ms. Allocated memory is still 157.3MB. Free memory was 118.4MB in the beginning and 97.9MB in the end (delta: 20.5MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-12-14 13:12:43,800 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 157.3MB. Free memory is still 128.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 13:12:43,801 INFO L158 Benchmark]: CACSL2BoogieTranslator took 686.03ms. Allocated memory is still 157.3MB. Free memory was 117.8MB in the beginning and 97.9MB in the end (delta: 19.9MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-12-14 13:12:43,802 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 157.3MB. Free memory is still 128.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 686.03ms. Allocated memory is still 157.3MB. Free memory was 117.8MB in the beginning and 97.9MB in the end (delta: 19.9MB). Peak memory consumption was 21.0MB. 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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae28340e-751f-42f0-8fa7-a09e547b6d84/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae28340e-751f-42f0-8fa7-a09e547b6d84/bin/utaipan-gh47qXpMRh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae28340e-751f-42f0-8fa7-a09e547b6d84/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae28340e-751f-42f0-8fa7-a09e547b6d84/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/busybox-1.22.0/mkfifo-incomplete-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae28340e-751f-42f0-8fa7-a09e547b6d84/bin/utaipan-gh47qXpMRh/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae28340e-751f-42f0-8fa7-a09e547b6d84/bin/utaipan-gh47qXpMRh --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 1b8d29d2fdd902e339ca249d1b89e96810c3d16df2091bf68778b1ea03a3bccf --- 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-2329fc7 [2022-12-14 13:12:45,326 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 13:12:45,328 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 13:12:45,347 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 13:12:45,347 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 13:12:45,348 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 13:12:45,350 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 13:12:45,351 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 13:12:45,353 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 13:12:45,354 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 13:12:45,355 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 13:12:45,356 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 13:12:45,356 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 13:12:45,357 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 13:12:45,358 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 13:12:45,359 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 13:12:45,360 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 13:12:45,361 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 13:12:45,362 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 13:12:45,364 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 13:12:45,365 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 13:12:45,366 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 13:12:45,367 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 13:12:45,368 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 13:12:45,372 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 13:12:45,372 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 13:12:45,372 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 13:12:45,373 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 13:12:45,373 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 13:12:45,374 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 13:12:45,374 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 13:12:45,375 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 13:12:45,376 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 13:12:45,376 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 13:12:45,377 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 13:12:45,378 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 13:12:45,378 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 13:12:45,378 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 13:12:45,379 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 13:12:45,379 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 13:12:45,380 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 13:12:45,381 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae28340e-751f-42f0-8fa7-a09e547b6d84/bin/utaipan-gh47qXpMRh/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf [2022-12-14 13:12:45,404 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 13:12:45,404 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 13:12:45,405 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 13:12:45,405 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 13:12:45,406 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 13:12:45,406 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 13:12:45,406 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 13:12:45,406 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 13:12:45,406 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 13:12:45,407 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 13:12:45,407 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 13:12:45,407 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 13:12:45,408 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 13:12:45,408 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 13:12:45,408 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 13:12:45,408 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 13:12:45,409 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 13:12:45,409 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 13:12:45,409 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-14 13:12:45,409 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-12-14 13:12:45,409 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-14 13:12:45,409 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-12-14 13:12:45,410 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 13:12:45,410 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 13:12:45,410 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 13:12:45,410 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 13:12:45,410 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-14 13:12:45,411 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 13:12:45,411 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 13:12:45,411 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 13:12:45,411 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 13:12:45,412 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 13:12:45,412 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-12-14 13:12:45,412 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-12-14 13:12:45,412 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 13:12:45,412 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 13:12:45,418 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-14 13:12:45,418 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_ae28340e-751f-42f0-8fa7-a09e547b6d84/bin/utaipan-gh47qXpMRh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae28340e-751f-42f0-8fa7-a09e547b6d84/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1b8d29d2fdd902e339ca249d1b89e96810c3d16df2091bf68778b1ea03a3bccf [2022-12-14 13:12:45,642 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 13:12:45,659 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 13:12:45,661 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 13:12:45,661 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 13:12:45,662 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 13:12:45,663 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae28340e-751f-42f0-8fa7-a09e547b6d84/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/busybox-1.22.0/mkfifo-incomplete-2.i [2022-12-14 13:12:48,255 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 13:12:48,476 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 13:12:48,477 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae28340e-751f-42f0-8fa7-a09e547b6d84/sv-benchmarks/c/busybox-1.22.0/mkfifo-incomplete-2.i [2022-12-14 13:12:48,504 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae28340e-751f-42f0-8fa7-a09e547b6d84/bin/utaipan-gh47qXpMRh/data/9d1a7888c/a7655b5f2b9641d3ac94a07c099283db/FLAG8eec706af [2022-12-14 13:12:48,518 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae28340e-751f-42f0-8fa7-a09e547b6d84/bin/utaipan-gh47qXpMRh/data/9d1a7888c/a7655b5f2b9641d3ac94a07c099283db [2022-12-14 13:12:48,521 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 13:12:48,522 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 13:12:48,523 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 13:12:48,524 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 13:12:48,526 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 13:12:48,527 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 01:12:48" (1/1) ... [2022-12-14 13:12:48,528 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76569bac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 01:12:48, skipping insertion in model container [2022-12-14 13:12:48,528 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 01:12:48" (1/1) ... [2022-12-14 13:12:48,534 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 13:12:48,599 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 13:12:49,223 WARN L623 FunctionHandler]: Unknown extern function strerror [2022-12-14 13:12:49,225 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg [2022-12-14 13:12:49,226 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@78aeb3af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 01:12:49, skipping insertion in model container [2022-12-14 13:12:49,226 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 13:12:49,226 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-12-14 13:12:49,228 INFO L158 Benchmark]: Toolchain (without parser) took 704.91ms. Allocated memory is still 81.8MB. Free memory was 44.6MB in the beginning and 42.7MB in the end (delta: 1.9MB). Peak memory consumption was 6.6MB. Max. memory is 16.1GB. [2022-12-14 13:12:49,228 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 52.4MB. Free memory was 31.3MB in the beginning and 31.3MB in the end (delta: 52.5kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 13:12:49,228 INFO L158 Benchmark]: CACSL2BoogieTranslator took 702.86ms. Allocated memory is still 81.8MB. Free memory was 44.4MB in the beginning and 42.7MB in the end (delta: 1.7MB). Peak memory consumption was 6.6MB. Max. memory is 16.1GB. [2022-12-14 13:12:49,229 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 52.4MB. Free memory was 31.3MB in the beginning and 31.3MB in the end (delta: 52.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 702.86ms. Allocated memory is still 81.8MB. Free memory was 44.4MB in the beginning and 42.7MB in the end (delta: 1.7MB). Peak memory consumption was 6.6MB. 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