./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/busybox-1.22.0/fold-1.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd94b4e8-8369-4aff-8606-ef1ea4dd9047/bin/utaipan-G1rejxKTta/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd94b4e8-8369-4aff-8606-ef1ea4dd9047/bin/utaipan-G1rejxKTta/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd94b4e8-8369-4aff-8606-ef1ea4dd9047/bin/utaipan-G1rejxKTta/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd94b4e8-8369-4aff-8606-ef1ea4dd9047/bin/utaipan-G1rejxKTta/config/TaipanReach.xml -i ../../sv-benchmarks/c/busybox-1.22.0/fold-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd94b4e8-8369-4aff-8606-ef1ea4dd9047/bin/utaipan-G1rejxKTta/config/svcomp-Overflow-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd94b4e8-8369-4aff-8606-ef1ea4dd9047/bin/utaipan-G1rejxKTta --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 a0867bea270203aed75217f96dd22374bdaf648d664600ed5fb4d106cfb0c092 --- 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-dbf71c6-m [2022-10-17 17:40:52,509 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 17:40:52,512 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 17:40:52,543 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 17:40:52,544 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 17:40:52,545 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 17:40:52,547 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 17:40:52,550 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 17:40:52,552 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 17:40:52,553 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 17:40:52,555 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 17:40:52,557 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 17:40:52,557 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 17:40:52,559 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 17:40:52,561 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 17:40:52,562 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 17:40:52,564 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 17:40:52,565 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 17:40:52,567 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 17:40:52,570 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 17:40:52,573 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 17:40:52,574 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 17:40:52,576 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 17:40:52,578 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 17:40:52,583 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 17:40:52,584 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 17:40:52,585 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 17:40:52,586 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 17:40:52,587 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 17:40:52,588 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 17:40:52,589 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 17:40:52,590 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 17:40:52,591 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 17:40:52,593 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 17:40:52,594 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 17:40:52,595 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 17:40:52,596 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 17:40:52,597 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 17:40:52,597 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 17:40:52,599 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 17:40:52,600 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 17:40:52,601 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd94b4e8-8369-4aff-8606-ef1ea4dd9047/bin/utaipan-G1rejxKTta/config/svcomp-Overflow-64bit-Taipan_Default.epf [2022-10-17 17:40:52,631 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 17:40:52,632 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 17:40:52,632 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-17 17:40:52,632 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-17 17:40:52,633 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 17:40:52,634 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-17 17:40:52,634 INFO L138 SettingsManager]: * User list type=DISABLED [2022-10-17 17:40:52,634 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-10-17 17:40:52,635 INFO L138 SettingsManager]: * Explicit value domain=true [2022-10-17 17:40:52,635 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-10-17 17:40:52,635 INFO L138 SettingsManager]: * Octagon Domain=false [2022-10-17 17:40:52,636 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-10-17 17:40:52,636 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-10-17 17:40:52,636 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-10-17 17:40:52,637 INFO L138 SettingsManager]: * Interval Domain=false [2022-10-17 17:40:52,637 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-10-17 17:40:52,637 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-10-17 17:40:52,638 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-10-17 17:40:52,639 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 17:40:52,639 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-17 17:40:52,639 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 17:40:52,640 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 17:40:52,640 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 17:40:52,640 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 17:40:52,640 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 17:40:52,641 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-17 17:40:52,641 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 17:40:52,641 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 17:40:52,641 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 17:40:52,642 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 17:40:52,642 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-17 17:40:52,642 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-17 17:40:52,643 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 17:40:52,643 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-10-17 17:40:52,643 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 17:40:52,643 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 17:40:52,643 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-10-17 17:40:52,644 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 17:40:52,644 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 17:40:52,644 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-10-17 17:40:52,645 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_fd94b4e8-8369-4aff-8606-ef1ea4dd9047/bin/utaipan-G1rejxKTta/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd94b4e8-8369-4aff-8606-ef1ea4dd9047/bin/utaipan-G1rejxKTta Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a0867bea270203aed75217f96dd22374bdaf648d664600ed5fb4d106cfb0c092 [2022-10-17 17:40:52,909 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 17:40:52,934 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 17:40:52,937 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 17:40:52,939 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 17:40:52,940 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 17:40:52,941 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd94b4e8-8369-4aff-8606-ef1ea4dd9047/bin/utaipan-G1rejxKTta/../../sv-benchmarks/c/busybox-1.22.0/fold-1.i [2022-10-17 17:40:53,029 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd94b4e8-8369-4aff-8606-ef1ea4dd9047/bin/utaipan-G1rejxKTta/data/3bca82960/0e7eb7e6daf147eeb6b7279223f16cd0/FLAG11a33f175 [2022-10-17 17:40:53,848 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 17:40:53,849 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd94b4e8-8369-4aff-8606-ef1ea4dd9047/sv-benchmarks/c/busybox-1.22.0/fold-1.i [2022-10-17 17:40:53,892 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd94b4e8-8369-4aff-8606-ef1ea4dd9047/bin/utaipan-G1rejxKTta/data/3bca82960/0e7eb7e6daf147eeb6b7279223f16cd0/FLAG11a33f175 [2022-10-17 17:40:53,939 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd94b4e8-8369-4aff-8606-ef1ea4dd9047/bin/utaipan-G1rejxKTta/data/3bca82960/0e7eb7e6daf147eeb6b7279223f16cd0 [2022-10-17 17:40:53,945 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 17:40:53,948 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 17:40:53,954 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 17:40:53,954 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 17:40:53,958 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 17:40:53,960 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:40:53" (1/1) ... [2022-10-17 17:40:53,962 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ff7bf51 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:40:53, skipping insertion in model container [2022-10-17 17:40:53,962 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:40:53" (1/1) ... [2022-10-17 17:40:53,971 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 17:40:54,103 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 17:40:55,543 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg [2022-10-17 17:40:55,544 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@293505d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:40:55, skipping insertion in model container [2022-10-17 17:40:55,544 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 17:40:55,545 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2022-10-17 17:40:55,548 INFO L158 Benchmark]: Toolchain (without parser) took 1598.09ms. Allocated memory is still 107.0MB. Free memory was 67.9MB in the beginning and 65.8MB in the end (delta: 2.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-10-17 17:40:55,549 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 77.6MB. Free memory is still 31.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 17:40:55,550 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1590.90ms. Allocated memory is still 107.0MB. Free memory was 67.7MB in the beginning and 65.8MB in the end (delta: 1.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-10-17 17:40:55,552 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 77.6MB. Free memory is still 31.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1590.90ms. Allocated memory is still 107.0MB. Free memory was 67.7MB in the beginning and 65.8MB in the end (delta: 1.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2310]: 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_fd94b4e8-8369-4aff-8606-ef1ea4dd9047/bin/utaipan-G1rejxKTta/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