./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/busybox-1.22.0/stty-2.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8393723b 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_fdbdf581-c240-4044-9446-3c9008b740d0/bin/utaipan-I9t0OCRTmS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdf581-c240-4044-9446-3c9008b740d0/bin/utaipan-I9t0OCRTmS/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdf581-c240-4044-9446-3c9008b740d0/bin/utaipan-I9t0OCRTmS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdf581-c240-4044-9446-3c9008b740d0/bin/utaipan-I9t0OCRTmS/config/TaipanReach.xml -i ../../sv-benchmarks/c/busybox-1.22.0/stty-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdf581-c240-4044-9446-3c9008b740d0/bin/utaipan-I9t0OCRTmS/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdf581-c240-4044-9446-3c9008b740d0/bin/utaipan-I9t0OCRTmS --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash a972f39ef2cd03953df191632190fe9931cffc2fe34baa5d80a9321a06dfcfbe --- 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-8393723 [2022-11-19 07:23:32,581 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-19 07:23:32,583 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-19 07:23:32,616 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-19 07:23:32,617 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-19 07:23:32,618 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-19 07:23:32,620 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-19 07:23:32,622 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-19 07:23:32,623 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-19 07:23:32,625 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-19 07:23:32,626 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-19 07:23:32,627 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-19 07:23:32,627 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-19 07:23:32,629 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-19 07:23:32,630 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-19 07:23:32,631 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-19 07:23:32,632 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-19 07:23:32,633 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-19 07:23:32,635 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-19 07:23:32,637 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-19 07:23:32,639 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-19 07:23:32,640 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-19 07:23:32,641 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-19 07:23:32,642 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-19 07:23:32,646 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-19 07:23:32,647 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-19 07:23:32,647 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-19 07:23:32,648 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-19 07:23:32,649 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-19 07:23:32,650 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-19 07:23:32,650 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-19 07:23:32,651 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-19 07:23:32,652 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-19 07:23:32,653 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-19 07:23:32,655 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-19 07:23:32,655 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-19 07:23:32,656 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-19 07:23:32,656 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-19 07:23:32,657 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-19 07:23:32,658 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-19 07:23:32,659 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-19 07:23:32,660 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdf581-c240-4044-9446-3c9008b740d0/bin/utaipan-I9t0OCRTmS/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-19 07:23:32,684 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-19 07:23:32,685 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-19 07:23:32,685 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-19 07:23:32,685 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-19 07:23:32,686 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-19 07:23:32,686 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-19 07:23:32,687 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-19 07:23:32,687 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-19 07:23:32,687 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-19 07:23:32,687 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-19 07:23:32,688 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-19 07:23:32,688 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-19 07:23:32,688 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-19 07:23:32,688 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-19 07:23:32,689 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-19 07:23:32,689 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-19 07:23:32,689 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-19 07:23:32,689 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-19 07:23:32,690 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-19 07:23:32,690 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-19 07:23:32,691 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-19 07:23:32,691 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-19 07:23:32,691 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-19 07:23:32,692 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-19 07:23:32,692 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-19 07:23:32,692 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-19 07:23:32,692 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-19 07:23:32,693 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-19 07:23:32,693 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-19 07:23:32,693 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 07:23:32,693 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-19 07:23:32,694 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-19 07:23:32,694 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-19 07:23:32,694 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-19 07:23:32,694 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-19 07:23:32,695 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-19 07:23:32,695 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-19 07:23:32,695 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-19 07:23:32,695 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_fdbdf581-c240-4044-9446-3c9008b740d0/bin/utaipan-I9t0OCRTmS/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdf581-c240-4044-9446-3c9008b740d0/bin/utaipan-I9t0OCRTmS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a972f39ef2cd03953df191632190fe9931cffc2fe34baa5d80a9321a06dfcfbe [2022-11-19 07:23:32,954 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-19 07:23:32,981 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-19 07:23:32,985 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-19 07:23:32,987 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-19 07:23:32,988 INFO L275 PluginConnector]: CDTParser initialized [2022-11-19 07:23:32,990 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdf581-c240-4044-9446-3c9008b740d0/bin/utaipan-I9t0OCRTmS/../../sv-benchmarks/c/busybox-1.22.0/stty-2.i [2022-11-19 07:23:33,078 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdf581-c240-4044-9446-3c9008b740d0/bin/utaipan-I9t0OCRTmS/data/151e5978e/62848459f3f84dc1a3c8f02cebcbdb83/FLAGc3277a83b [2022-11-19 07:23:33,901 INFO L306 CDTParser]: Found 1 translation units. [2022-11-19 07:23:33,902 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdf581-c240-4044-9446-3c9008b740d0/sv-benchmarks/c/busybox-1.22.0/stty-2.i [2022-11-19 07:23:33,942 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdf581-c240-4044-9446-3c9008b740d0/bin/utaipan-I9t0OCRTmS/data/151e5978e/62848459f3f84dc1a3c8f02cebcbdb83/FLAGc3277a83b [2022-11-19 07:23:33,965 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdf581-c240-4044-9446-3c9008b740d0/bin/utaipan-I9t0OCRTmS/data/151e5978e/62848459f3f84dc1a3c8f02cebcbdb83 [2022-11-19 07:23:33,967 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-19 07:23:33,968 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-19 07:23:33,970 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-19 07:23:33,971 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-19 07:23:33,981 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-19 07:23:33,982 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:23:33" (1/1) ... [2022-11-19 07:23:33,983 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d01446d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:23:33, skipping insertion in model container [2022-11-19 07:23:33,986 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:23:33" (1/1) ... [2022-11-19 07:23:33,993 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-19 07:23:34,137 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-19 07:23:35,971 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: wrapf [2022-11-19 07:23:35,972 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@7d7516ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:23:35, skipping insertion in model container [2022-11-19 07:23:35,972 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-19 07:23:35,972 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-11-19 07:23:35,976 INFO L158 Benchmark]: Toolchain (without parser) took 2004.92ms. Allocated memory was 104.9MB in the beginning and 132.1MB in the end (delta: 27.3MB). Free memory was 61.6MB in the beginning and 73.8MB in the end (delta: -12.2MB). Peak memory consumption was 19.5MB. Max. memory is 16.1GB. [2022-11-19 07:23:35,991 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 104.9MB. Free memory was 74.2MB in the beginning and 74.2MB in the end (delta: 27.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-19 07:23:35,992 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2002.07ms. Allocated memory was 104.9MB in the beginning and 132.1MB in the end (delta: 27.3MB). Free memory was 61.4MB in the beginning and 73.8MB in the end (delta: -12.4MB). Peak memory consumption was 19.5MB. Max. memory is 16.1GB. [2022-11-19 07:23:35,994 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 104.9MB. Free memory was 74.2MB in the beginning and 74.2MB in the end (delta: 27.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2002.07ms. Allocated memory was 104.9MB in the beginning and 132.1MB in the end (delta: 27.3MB). Free memory was 61.4MB in the beginning and 73.8MB in the end (delta: -12.4MB). Peak memory consumption was 19.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2875]: Unsupported Syntax encountered a call to a var args function, var args are not supported at the moment: wrapf 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_fdbdf581-c240-4044-9446-3c9008b740d0/bin/utaipan-I9t0OCRTmS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdf581-c240-4044-9446-3c9008b740d0/bin/utaipan-I9t0OCRTmS/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdf581-c240-4044-9446-3c9008b740d0/bin/utaipan-I9t0OCRTmS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdf581-c240-4044-9446-3c9008b740d0/bin/utaipan-I9t0OCRTmS/config/TaipanReach.xml -i ../../sv-benchmarks/c/busybox-1.22.0/stty-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdf581-c240-4044-9446-3c9008b740d0/bin/utaipan-I9t0OCRTmS/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdf581-c240-4044-9446-3c9008b740d0/bin/utaipan-I9t0OCRTmS --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash a972f39ef2cd03953df191632190fe9931cffc2fe34baa5d80a9321a06dfcfbe --- 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-8393723 [2022-11-19 07:23:38,198 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-19 07:23:38,200 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-19 07:23:38,245 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-19 07:23:38,247 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-19 07:23:38,251 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-19 07:23:38,254 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-19 07:23:38,258 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-19 07:23:38,261 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-19 07:23:38,269 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-19 07:23:38,270 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-19 07:23:38,272 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-19 07:23:38,273 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-19 07:23:38,275 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-19 07:23:38,276 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-19 07:23:38,277 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-19 07:23:38,279 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-19 07:23:38,281 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-19 07:23:38,285 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-19 07:23:38,288 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-19 07:23:38,296 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-19 07:23:38,298 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-19 07:23:38,299 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-19 07:23:38,301 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-19 07:23:38,308 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-19 07:23:38,312 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-19 07:23:38,313 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-19 07:23:38,314 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-19 07:23:38,315 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-19 07:23:38,316 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-19 07:23:38,317 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-19 07:23:38,317 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-19 07:23:38,319 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-19 07:23:38,320 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-19 07:23:38,321 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-19 07:23:38,322 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-19 07:23:38,323 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-19 07:23:38,323 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-19 07:23:38,323 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-19 07:23:38,325 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-19 07:23:38,326 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-19 07:23:38,327 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdf581-c240-4044-9446-3c9008b740d0/bin/utaipan-I9t0OCRTmS/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2022-11-19 07:23:38,367 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-19 07:23:38,367 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-19 07:23:38,368 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-19 07:23:38,368 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-19 07:23:38,369 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-19 07:23:38,370 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-19 07:23:38,370 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-19 07:23:38,370 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-19 07:23:38,370 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-19 07:23:38,371 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-19 07:23:38,372 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-19 07:23:38,372 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-19 07:23:38,374 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-19 07:23:38,374 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-19 07:23:38,374 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-19 07:23:38,375 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-19 07:23:38,375 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-19 07:23:38,375 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-19 07:23:38,375 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-19 07:23:38,376 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-19 07:23:38,376 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-19 07:23:38,376 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-19 07:23:38,376 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-19 07:23:38,377 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-19 07:23:38,377 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-19 07:23:38,377 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-19 07:23:38,378 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 07:23:38,378 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-19 07:23:38,378 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-19 07:23:38,379 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-19 07:23:38,379 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-19 07:23:38,379 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-19 07:23:38,380 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-19 07:23:38,380 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-19 07:23:38,380 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-19 07:23:38,381 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_fdbdf581-c240-4044-9446-3c9008b740d0/bin/utaipan-I9t0OCRTmS/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdf581-c240-4044-9446-3c9008b740d0/bin/utaipan-I9t0OCRTmS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a972f39ef2cd03953df191632190fe9931cffc2fe34baa5d80a9321a06dfcfbe [2022-11-19 07:23:38,798 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-19 07:23:38,832 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-19 07:23:38,836 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-19 07:23:38,837 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-19 07:23:38,838 INFO L275 PluginConnector]: CDTParser initialized [2022-11-19 07:23:38,840 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdf581-c240-4044-9446-3c9008b740d0/bin/utaipan-I9t0OCRTmS/../../sv-benchmarks/c/busybox-1.22.0/stty-2.i [2022-11-19 07:23:38,906 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdf581-c240-4044-9446-3c9008b740d0/bin/utaipan-I9t0OCRTmS/data/8cbd8270a/4a619bd9c2fc47319ae2e5f7d5adc0fe/FLAG1a7f6e421 [2022-11-19 07:23:39,716 INFO L306 CDTParser]: Found 1 translation units. [2022-11-19 07:23:39,717 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdf581-c240-4044-9446-3c9008b740d0/sv-benchmarks/c/busybox-1.22.0/stty-2.i [2022-11-19 07:23:39,754 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdf581-c240-4044-9446-3c9008b740d0/bin/utaipan-I9t0OCRTmS/data/8cbd8270a/4a619bd9c2fc47319ae2e5f7d5adc0fe/FLAG1a7f6e421 [2022-11-19 07:23:39,808 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fdbdf581-c240-4044-9446-3c9008b740d0/bin/utaipan-I9t0OCRTmS/data/8cbd8270a/4a619bd9c2fc47319ae2e5f7d5adc0fe [2022-11-19 07:23:39,812 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-19 07:23:39,814 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-19 07:23:39,817 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-19 07:23:39,817 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-19 07:23:39,821 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-19 07:23:39,822 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:23:39" (1/1) ... [2022-11-19 07:23:39,824 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c0bdfb9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:23:39, skipping insertion in model container [2022-11-19 07:23:39,824 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:23:39" (1/1) ... [2022-11-19 07:23:39,832 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-19 07:23:39,972 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-19 07:23:41,799 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: wrapf [2022-11-19 07:23:41,800 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6202f267 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:23:41, skipping insertion in model container [2022-11-19 07:23:41,800 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-19 07:23:41,802 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-11-19 07:23:41,805 INFO L158 Benchmark]: Toolchain (without parser) took 1988.85ms. Allocated memory was 56.6MB in the beginning and 73.4MB in the end (delta: 16.8MB). Free memory was 26.7MB in the beginning and 44.6MB in the end (delta: -17.9MB). Peak memory consumption was 16.6MB. Max. memory is 16.1GB. [2022-11-19 07:23:41,806 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 56.6MB. Free memory is still 38.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-19 07:23:41,808 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1984.87ms. Allocated memory was 56.6MB in the beginning and 73.4MB in the end (delta: 16.8MB). Free memory was 26.6MB in the beginning and 44.6MB in the end (delta: -18.1MB). Peak memory consumption was 16.6MB. Max. memory is 16.1GB. [2022-11-19 07:23:41,810 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 56.6MB. Free memory is still 38.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1984.87ms. Allocated memory was 56.6MB in the beginning and 73.4MB in the end (delta: 16.8MB). Free memory was 26.6MB in the beginning and 44.6MB in the end (delta: -18.1MB). Peak memory consumption was 16.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2875]: Unsupported Syntax encountered a call to a var args function, var args are not supported at the moment: wrapf 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