./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/busybox-1.22.0/echo-1.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 5e519f3a 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_f2a06218-af2d-425d-b301-4981c96e4c27/bin/utaipan-7li7fVZpFI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2a06218-af2d-425d-b301-4981c96e4c27/bin/utaipan-7li7fVZpFI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2a06218-af2d-425d-b301-4981c96e4c27/bin/utaipan-7li7fVZpFI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2a06218-af2d-425d-b301-4981c96e4c27/bin/utaipan-7li7fVZpFI/config/TaipanReach.xml -i ../../sv-benchmarks/c/busybox-1.22.0/echo-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2a06218-af2d-425d-b301-4981c96e4c27/bin/utaipan-7li7fVZpFI/config/svcomp-Overflow-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2a06218-af2d-425d-b301-4981c96e4c27/bin/utaipan-7li7fVZpFI --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 7358b2dc480e91987625c19ffeadfa203dcfde2b2c6c164270230269682769ca --- 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-5e519f3 [2022-11-03 01:37:27,186 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-03 01:37:27,189 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-03 01:37:27,219 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-03 01:37:27,220 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-03 01:37:27,221 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-03 01:37:27,222 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-03 01:37:27,224 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-03 01:37:27,226 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-03 01:37:27,227 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-03 01:37:27,228 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-03 01:37:27,229 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-03 01:37:27,230 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-03 01:37:27,231 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-03 01:37:27,232 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-03 01:37:27,233 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-03 01:37:27,234 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-03 01:37:27,235 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-03 01:37:27,237 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-03 01:37:27,239 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-03 01:37:27,240 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-03 01:37:27,242 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-03 01:37:27,243 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-03 01:37:27,244 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-03 01:37:27,247 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-03 01:37:27,247 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-03 01:37:27,248 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-03 01:37:27,249 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-03 01:37:27,249 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-03 01:37:27,250 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-03 01:37:27,250 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-03 01:37:27,251 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-03 01:37:27,252 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-03 01:37:27,253 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-03 01:37:27,254 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-03 01:37:27,255 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-03 01:37:27,255 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-03 01:37:27,256 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-03 01:37:27,256 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-03 01:37:27,257 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-03 01:37:27,258 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-03 01:37:27,259 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2a06218-af2d-425d-b301-4981c96e4c27/bin/utaipan-7li7fVZpFI/config/svcomp-Overflow-64bit-Taipan_Default.epf [2022-11-03 01:37:27,295 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-03 01:37:27,295 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-03 01:37:27,295 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-03 01:37:27,296 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-03 01:37:27,296 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-03 01:37:27,297 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-03 01:37:27,297 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-03 01:37:27,297 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-03 01:37:27,297 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-03 01:37:27,298 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-03 01:37:27,298 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-03 01:37:27,303 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-03 01:37:27,303 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-03 01:37:27,304 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-03 01:37:27,304 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-03 01:37:27,304 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-03 01:37:27,304 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-03 01:37:27,305 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-03 01:37:27,305 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-03 01:37:27,306 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-03 01:37:27,306 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-03 01:37:27,306 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-03 01:37:27,307 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-03 01:37:27,307 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-03 01:37:27,316 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-03 01:37:27,317 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-03 01:37:27,317 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-03 01:37:27,317 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-03 01:37:27,317 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-03 01:37:27,318 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-03 01:37:27,318 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-03 01:37:27,318 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 01:37:27,318 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-03 01:37:27,319 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-03 01:37:27,319 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-03 01:37:27,319 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-03 01:37:27,319 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-03 01:37:27,319 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-03 01:37:27,320 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-03 01:37:27,320 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-03 01:37:27,320 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_f2a06218-af2d-425d-b301-4981c96e4c27/bin/utaipan-7li7fVZpFI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2a06218-af2d-425d-b301-4981c96e4c27/bin/utaipan-7li7fVZpFI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7358b2dc480e91987625c19ffeadfa203dcfde2b2c6c164270230269682769ca [2022-11-03 01:37:27,593 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-03 01:37:27,616 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-03 01:37:27,618 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-03 01:37:27,620 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-03 01:37:27,621 INFO L275 PluginConnector]: CDTParser initialized [2022-11-03 01:37:27,622 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2a06218-af2d-425d-b301-4981c96e4c27/bin/utaipan-7li7fVZpFI/../../sv-benchmarks/c/busybox-1.22.0/echo-1.i [2022-11-03 01:37:27,693 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2a06218-af2d-425d-b301-4981c96e4c27/bin/utaipan-7li7fVZpFI/data/20dc87888/4ef1ad0c7ece4362b0b96c5230be6fd1/FLAG82c64d8a6 [2022-11-03 01:37:28,386 INFO L306 CDTParser]: Found 1 translation units. [2022-11-03 01:37:28,386 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2a06218-af2d-425d-b301-4981c96e4c27/sv-benchmarks/c/busybox-1.22.0/echo-1.i [2022-11-03 01:37:28,417 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2a06218-af2d-425d-b301-4981c96e4c27/bin/utaipan-7li7fVZpFI/data/20dc87888/4ef1ad0c7ece4362b0b96c5230be6fd1/FLAG82c64d8a6 [2022-11-03 01:37:28,495 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2a06218-af2d-425d-b301-4981c96e4c27/bin/utaipan-7li7fVZpFI/data/20dc87888/4ef1ad0c7ece4362b0b96c5230be6fd1 [2022-11-03 01:37:28,499 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-03 01:37:28,502 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-03 01:37:28,504 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-03 01:37:28,504 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-03 01:37:28,507 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-03 01:37:28,508 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 01:37:28" (1/1) ... [2022-11-03 01:37:28,510 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f2aba22 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:37:28, skipping insertion in model container [2022-11-03 01:37:28,511 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 01:37:28" (1/1) ... [2022-11-03 01:37:28,519 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-03 01:37:28,595 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-03 01:37:29,800 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg [2022-11-03 01:37:29,804 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@61c7e971 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:37:29, skipping insertion in model container [2022-11-03 01:37:29,804 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-03 01:37:29,805 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-11-03 01:37:29,807 INFO L158 Benchmark]: Toolchain (without parser) took 1304.47ms. Allocated memory is still 100.7MB. Free memory was 71.7MB in the beginning and 61.3MB in the end (delta: 10.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-03 01:37:29,809 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 100.7MB. Free memory is still 70.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-03 01:37:29,811 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1301.12ms. Allocated memory is still 100.7MB. Free memory was 71.4MB in the beginning and 61.6MB in the end (delta: 9.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-03 01:37:29,813 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 100.7MB. Free memory is still 70.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1301.12ms. Allocated memory is still 100.7MB. Free memory was 71.4MB in the beginning and 61.6MB in the end (delta: 9.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2530]: 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 No suitable file found in config dir /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2a06218-af2d-425d-b301-4981c96e4c27/bin/utaipan-7li7fVZpFI/config using search string *Overflow*64bit*_Bitvector*.epf No suitable settings file found using Overflow*64bit*_Bitvector ERROR: UNSUPPORTED PROPERTY Writing output log to file Ultimate.log Result: UNKNOWN