./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 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_a8041973-d495-42ed-ac4c-27c814454ee5/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8041973-d495-42ed-ac4c-27c814454ee5/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_a8041973-d495-42ed-ac4c-27c814454ee5/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8041973-d495-42ed-ac4c-27c814454ee5/bin/utaipan-ByfvJB40ur/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_a8041973-d495-42ed-ac4c-27c814454ee5/bin/utaipan-ByfvJB40ur/config/svcomp-Overflow-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8041973-d495-42ed-ac4c-27c814454ee5/bin/utaipan-ByfvJB40ur --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-38b53e6 [2022-11-26 01:06:03,321 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-26 01:06:03,323 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-26 01:06:03,346 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-26 01:06:03,347 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-26 01:06:03,348 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-26 01:06:03,349 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-26 01:06:03,351 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-26 01:06:03,353 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-26 01:06:03,354 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-26 01:06:03,355 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-26 01:06:03,356 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-26 01:06:03,356 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-26 01:06:03,357 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-26 01:06:03,358 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-26 01:06:03,360 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-26 01:06:03,361 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-26 01:06:03,362 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-26 01:06:03,363 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-26 01:06:03,365 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-26 01:06:03,366 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-26 01:06:03,368 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-26 01:06:03,369 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-26 01:06:03,370 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-26 01:06:03,373 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-26 01:06:03,373 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-26 01:06:03,374 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-26 01:06:03,375 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-26 01:06:03,375 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-26 01:06:03,376 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-26 01:06:03,377 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-26 01:06:03,378 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-26 01:06:03,379 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-26 01:06:03,379 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-26 01:06:03,380 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-26 01:06:03,381 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-26 01:06:03,382 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-26 01:06:03,382 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-26 01:06:03,382 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-26 01:06:03,383 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-26 01:06:03,384 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-26 01:06:03,385 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8041973-d495-42ed-ac4c-27c814454ee5/bin/utaipan-ByfvJB40ur/config/svcomp-Overflow-64bit-Taipan_Default.epf [2022-11-26 01:06:03,408 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-26 01:06:03,408 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-26 01:06:03,408 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-26 01:06:03,409 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-26 01:06:03,409 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-26 01:06:03,410 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-26 01:06:03,410 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-26 01:06:03,410 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-26 01:06:03,410 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-26 01:06:03,411 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-26 01:06:03,411 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-26 01:06:03,411 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-26 01:06:03,411 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-26 01:06:03,411 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-26 01:06:03,412 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-26 01:06:03,412 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-26 01:06:03,412 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-26 01:06:03,412 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-26 01:06:03,413 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-26 01:06:03,413 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-26 01:06:03,414 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-26 01:06:03,414 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-26 01:06:03,414 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-26 01:06:03,414 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-26 01:06:03,414 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-26 01:06:03,415 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-26 01:06:03,415 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-26 01:06:03,415 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-26 01:06:03,415 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-26 01:06:03,416 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-26 01:06:03,416 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-26 01:06:03,416 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 01:06:03,416 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-26 01:06:03,417 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-26 01:06:03,417 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-26 01:06:03,417 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-26 01:06:03,417 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-26 01:06:03,417 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-26 01:06:03,418 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-26 01:06:03,418 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-26 01:06:03,418 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_a8041973-d495-42ed-ac4c-27c814454ee5/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8041973-d495-42ed-ac4c-27c814454ee5/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1b8d29d2fdd902e339ca249d1b89e96810c3d16df2091bf68778b1ea03a3bccf [2022-11-26 01:06:03,672 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-26 01:06:03,699 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-26 01:06:03,702 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-26 01:06:03,703 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-26 01:06:03,704 INFO L275 PluginConnector]: CDTParser initialized [2022-11-26 01:06:03,706 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8041973-d495-42ed-ac4c-27c814454ee5/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/busybox-1.22.0/mkfifo-incomplete-2.i [2022-11-26 01:06:07,019 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-26 01:06:07,458 INFO L351 CDTParser]: Found 1 translation units. [2022-11-26 01:06:07,459 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8041973-d495-42ed-ac4c-27c814454ee5/sv-benchmarks/c/busybox-1.22.0/mkfifo-incomplete-2.i [2022-11-26 01:06:07,479 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8041973-d495-42ed-ac4c-27c814454ee5/bin/utaipan-ByfvJB40ur/data/3909c5fd7/8493b772bb0c4a70a5ea8c4fa6f362a9/FLAG6551441ed [2022-11-26 01:06:07,495 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8041973-d495-42ed-ac4c-27c814454ee5/bin/utaipan-ByfvJB40ur/data/3909c5fd7/8493b772bb0c4a70a5ea8c4fa6f362a9 [2022-11-26 01:06:07,498 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-26 01:06:07,499 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-26 01:06:07,501 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-26 01:06:07,501 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-26 01:06:07,505 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-26 01:06:07,506 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 01:06:07" (1/1) ... [2022-11-26 01:06:07,507 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b2d3de3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:06:07, skipping insertion in model container [2022-11-26 01:06:07,507 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 01:06:07" (1/1) ... [2022-11-26 01:06:07,515 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-26 01:06:07,591 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-26 01:06:08,702 WARN L623 FunctionHandler]: Unknown extern function strerror [2022-11-26 01:06:08,709 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 01:06:08,710 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3c1f32af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:06:08, skipping insertion in model container [2022-11-26 01:06:08,710 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-26 01:06:08,711 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-11-26 01:06:08,719 INFO L158 Benchmark]: Toolchain (without parser) took 1218.70ms. Allocated memory is still 142.6MB. Free memory was 110.4MB in the beginning and 90.1MB in the end (delta: 20.3MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-11-26 01:06:08,720 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 113.2MB. Free memory is still 71.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-26 01:06:08,721 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1210.02ms. Allocated memory is still 142.6MB. Free memory was 110.4MB in the beginning and 90.1MB in the end (delta: 20.3MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-11-26 01:06:08,722 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 113.2MB. Free memory is still 71.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1210.02ms. Allocated memory is still 142.6MB. Free memory was 110.4MB in the beginning and 90.1MB in the end (delta: 20.3MB). 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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8041973-d495-42ed-ac4c-27c814454ee5/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8041973-d495-42ed-ac4c-27c814454ee5/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_a8041973-d495-42ed-ac4c-27c814454ee5/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8041973-d495-42ed-ac4c-27c814454ee5/bin/utaipan-ByfvJB40ur/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_a8041973-d495-42ed-ac4c-27c814454ee5/bin/utaipan-ByfvJB40ur/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8041973-d495-42ed-ac4c-27c814454ee5/bin/utaipan-ByfvJB40ur --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-38b53e6 [2022-11-26 01:06:10,987 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-26 01:06:10,990 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-26 01:06:11,048 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-26 01:06:11,049 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-26 01:06:11,052 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-26 01:06:11,055 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-26 01:06:11,058 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-26 01:06:11,060 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-26 01:06:11,066 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-26 01:06:11,067 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-26 01:06:11,068 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-26 01:06:11,069 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-26 01:06:11,070 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-26 01:06:11,071 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-26 01:06:11,072 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-26 01:06:11,073 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-26 01:06:11,074 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-26 01:06:11,078 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-26 01:06:11,084 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-26 01:06:11,090 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-26 01:06:11,093 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-26 01:06:11,097 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-26 01:06:11,098 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-26 01:06:11,107 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-26 01:06:11,107 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-26 01:06:11,107 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-26 01:06:11,110 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-26 01:06:11,110 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-26 01:06:11,111 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-26 01:06:11,112 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-26 01:06:11,113 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-26 01:06:11,115 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-26 01:06:11,115 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-26 01:06:11,116 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-26 01:06:11,117 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-26 01:06:11,117 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-26 01:06:11,117 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-26 01:06:11,118 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-26 01:06:11,119 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-26 01:06:11,119 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-26 01:06:11,120 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8041973-d495-42ed-ac4c-27c814454ee5/bin/utaipan-ByfvJB40ur/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf [2022-11-26 01:06:11,160 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-26 01:06:11,161 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-26 01:06:11,162 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-26 01:06:11,162 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-26 01:06:11,163 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-26 01:06:11,163 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-26 01:06:11,163 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-26 01:06:11,164 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-26 01:06:11,164 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-26 01:06:11,164 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-26 01:06:11,165 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-26 01:06:11,165 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-26 01:06:11,166 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-26 01:06:11,166 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-26 01:06:11,166 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-26 01:06:11,166 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-26 01:06:11,167 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-26 01:06:11,167 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-26 01:06:11,167 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-26 01:06:11,167 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-26 01:06:11,167 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-26 01:06:11,168 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-26 01:06:11,168 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-26 01:06:11,168 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-26 01:06:11,168 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-26 01:06:11,168 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-26 01:06:11,168 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-26 01:06:11,169 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-26 01:06:11,169 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 01:06:11,169 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-26 01:06:11,169 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-26 01:06:11,169 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-26 01:06:11,170 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-26 01:06:11,170 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-26 01:06:11,170 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-26 01:06:11,170 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-26 01:06:11,170 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-26 01:06:11,171 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_a8041973-d495-42ed-ac4c-27c814454ee5/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8041973-d495-42ed-ac4c-27c814454ee5/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1b8d29d2fdd902e339ca249d1b89e96810c3d16df2091bf68778b1ea03a3bccf [2022-11-26 01:06:11,586 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-26 01:06:11,608 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-26 01:06:11,610 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-26 01:06:11,611 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-26 01:06:11,612 INFO L275 PluginConnector]: CDTParser initialized [2022-11-26 01:06:11,613 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8041973-d495-42ed-ac4c-27c814454ee5/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/busybox-1.22.0/mkfifo-incomplete-2.i [2022-11-26 01:06:14,626 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-26 01:06:15,061 INFO L351 CDTParser]: Found 1 translation units. [2022-11-26 01:06:15,071 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8041973-d495-42ed-ac4c-27c814454ee5/sv-benchmarks/c/busybox-1.22.0/mkfifo-incomplete-2.i [2022-11-26 01:06:15,109 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8041973-d495-42ed-ac4c-27c814454ee5/bin/utaipan-ByfvJB40ur/data/e58816b00/c90eedaacdb64961942012aa2880eb30/FLAG9d3c9e1db [2022-11-26 01:06:15,130 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8041973-d495-42ed-ac4c-27c814454ee5/bin/utaipan-ByfvJB40ur/data/e58816b00/c90eedaacdb64961942012aa2880eb30 [2022-11-26 01:06:15,133 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-26 01:06:15,134 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-26 01:06:15,137 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-26 01:06:15,137 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-26 01:06:15,141 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-26 01:06:15,142 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 01:06:15" (1/1) ... [2022-11-26 01:06:15,143 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18cbefbc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:06:15, skipping insertion in model container [2022-11-26 01:06:15,144 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 01:06:15" (1/1) ... [2022-11-26 01:06:15,151 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-26 01:06:15,234 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-26 01:06:16,362 WARN L623 FunctionHandler]: Unknown extern function strerror [2022-11-26 01:06:16,368 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 01:06:16,370 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1a2b46d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 01:06:16, skipping insertion in model container [2022-11-26 01:06:16,371 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-26 01:06:16,371 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-11-26 01:06:16,373 INFO L158 Benchmark]: Toolchain (without parser) took 1237.99ms. Allocated memory was 77.6MB in the beginning and 107.0MB in the end (delta: 29.4MB). Free memory was 53.8MB in the beginning and 82.1MB in the end (delta: -28.3MB). Peak memory consumption was 24.5MB. Max. memory is 16.1GB. [2022-11-26 01:06:16,374 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 77.6MB. Free memory is still 56.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-26 01:06:16,375 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1234.30ms. Allocated memory was 77.6MB in the beginning and 107.0MB in the end (delta: 29.4MB). Free memory was 53.6MB in the beginning and 82.1MB in the end (delta: -28.5MB). Peak memory consumption was 24.5MB. Max. memory is 16.1GB. [2022-11-26 01:06:16,377 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 77.6MB. Free memory is still 56.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1234.30ms. Allocated memory was 77.6MB in the beginning and 107.0MB in the end (delta: 29.4MB). Free memory was 53.6MB in the beginning and 82.1MB in the end (delta: -28.5MB). Peak memory consumption was 24.5MB. 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