./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 7b2dab56 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ca44b5d-c65f-429c-8b85-ee1f8d73ca9c/bin/utaipan-WLngWcDbfI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ca44b5d-c65f-429c-8b85-ee1f8d73ca9c/bin/utaipan-WLngWcDbfI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ca44b5d-c65f-429c-8b85-ee1f8d73ca9c/bin/utaipan-WLngWcDbfI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ca44b5d-c65f-429c-8b85-ee1f8d73ca9c/bin/utaipan-WLngWcDbfI/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_6ca44b5d-c65f-429c-8b85-ee1f8d73ca9c/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ca44b5d-c65f-429c-8b85-ee1f8d73ca9c/bin/utaipan-WLngWcDbfI --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 8ef97106b73039a405ac251785296494f5df01c0 ....................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ca44b5d-c65f-429c-8b85-ee1f8d73ca9c/bin/utaipan-WLngWcDbfI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ca44b5d-c65f-429c-8b85-ee1f8d73ca9c/bin/utaipan-WLngWcDbfI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ca44b5d-c65f-429c-8b85-ee1f8d73ca9c/bin/utaipan-WLngWcDbfI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ca44b5d-c65f-429c-8b85-ee1f8d73ca9c/bin/utaipan-WLngWcDbfI/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_6ca44b5d-c65f-429c-8b85-ee1f8d73ca9c/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ca44b5d-c65f-429c-8b85-ee1f8d73ca9c/bin/utaipan-WLngWcDbfI --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 8ef97106b73039a405ac251785296494f5df01c0 ................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.2.0-7b2dab5 [2021-10-11 02:30:37,822 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 02:30:37,825 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 02:30:37,873 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 02:30:37,873 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 02:30:37,879 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 02:30:37,882 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 02:30:37,886 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 02:30:37,888 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 02:30:37,894 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 02:30:37,895 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 02:30:37,897 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 02:30:37,897 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 02:30:37,900 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 02:30:37,902 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 02:30:37,904 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 02:30:37,905 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 02:30:37,909 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 02:30:37,911 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 02:30:37,919 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 02:30:37,921 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 02:30:37,922 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 02:30:37,925 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 02:30:37,927 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 02:30:37,935 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 02:30:37,936 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 02:30:37,936 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 02:30:37,938 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 02:30:37,939 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 02:30:37,940 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 02:30:37,941 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 02:30:37,942 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 02:30:37,944 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 02:30:37,945 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 02:30:37,946 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 02:30:37,947 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 02:30:37,947 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 02:30:37,948 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 02:30:37,948 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 02:30:37,949 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 02:30:37,950 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 02:30:37,951 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ca44b5d-c65f-429c-8b85-ee1f8d73ca9c/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-10-11 02:30:37,990 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 02:30:37,990 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 02:30:37,991 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-11 02:30:37,991 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-11 02:30:37,991 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-11 02:30:37,992 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-11 02:30:37,992 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-11 02:30:37,992 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-11 02:30:37,992 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-11 02:30:37,992 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-11 02:30:37,995 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-11 02:30:37,995 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-11 02:30:37,995 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-11 02:30:37,995 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-11 02:30:37,996 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-11 02:30:37,997 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 02:30:37,997 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 02:30:37,997 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 02:30:37,997 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 02:30:37,998 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 02:30:37,998 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 02:30:37,998 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-11 02:30:37,998 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 02:30:37,999 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 02:30:37,999 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 02:30:37,999 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 02:30:37,999 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 02:30:38,000 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:30:38,001 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 02:30:38,003 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 02:30:38,003 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 02:30:38,003 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-11 02:30:38,004 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-11 02:30:38,004 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 02:30:38,004 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 02:30:38,004 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 02:30:38,005 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_6ca44b5d-c65f-429c-8b85-ee1f8d73ca9c/bin/utaipan-WLngWcDbfI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ca44b5d-c65f-429c-8b85-ee1f8d73ca9c/bin/utaipan-WLngWcDbfI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8ef97106b73039a405ac251785296494f5df01c0 [2021-10-11 02:30:38,250 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 02:30:38,279 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 02:30:38,281 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 02:30:38,283 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 02:30:38,285 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 02:30:38,286 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ca44b5d-c65f-429c-8b85-ee1f8d73ca9c/bin/utaipan-WLngWcDbfI/../../sv-benchmarks/c/busybox-1.22.0/stty-2.i [2021-10-11 02:30:38,391 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ca44b5d-c65f-429c-8b85-ee1f8d73ca9c/bin/utaipan-WLngWcDbfI/data/53b4e3ce2/ebcc94f2bdd548c9b341502dfd1a74de/FLAG1ffe2eeb3 [2021-10-11 02:30:39,117 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 02:30:39,118 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ca44b5d-c65f-429c-8b85-ee1f8d73ca9c/sv-benchmarks/c/busybox-1.22.0/stty-2.i [2021-10-11 02:30:39,150 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ca44b5d-c65f-429c-8b85-ee1f8d73ca9c/bin/utaipan-WLngWcDbfI/data/53b4e3ce2/ebcc94f2bdd548c9b341502dfd1a74de/FLAG1ffe2eeb3 [2021-10-11 02:30:39,176 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ca44b5d-c65f-429c-8b85-ee1f8d73ca9c/bin/utaipan-WLngWcDbfI/data/53b4e3ce2/ebcc94f2bdd548c9b341502dfd1a74de [2021-10-11 02:30:39,179 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 02:30:39,180 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 02:30:39,182 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 02:30:39,182 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 02:30:39,185 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 02:30:39,186 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:30:39" (1/1) ... [2021-10-11 02:30:39,188 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69de7d23 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:30:39, skipping insertion in model container [2021-10-11 02:30:39,188 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:30:39" (1/1) ... [2021-10-11 02:30:39,195 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 02:30:39,309 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:30:41,287 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: wrapf [2021-10-11 02:30:41,288 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1b0fe755 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:30:41, skipping insertion in model container [2021-10-11 02:30:41,288 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 02:30:41,288 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-11 02:30:41,291 INFO L168 Benchmark]: Toolchain (without parser) took 2108.67 ms. Allocated memory was 102.8 MB in the beginning and 140.5 MB in the end (delta: 37.7 MB). Free memory was 62.9 MB in the beginning and 83.9 MB in the end (delta: -21.0 MB). Peak memory consumption was 17.3 MB. Max. memory is 16.1 GB. [2021-10-11 02:30:41,291 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 102.8 MB. Free memory is still 56.9 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:30:41,292 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2105.95 ms. Allocated memory was 102.8 MB in the beginning and 140.5 MB in the end (delta: 37.7 MB). Free memory was 62.7 MB in the beginning and 83.9 MB in the end (delta: -21.2 MB). Peak memory consumption was 17.3 MB. Max. memory is 16.1 GB. [2021-10-11 02:30:41,294 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 102.8 MB. Free memory is still 56.9 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 2105.95 ms. Allocated memory was 102.8 MB in the beginning and 140.5 MB in the end (delta: 37.7 MB). Free memory was 62.7 MB in the beginning and 83.9 MB in the end (delta: -21.2 MB). Peak memory consumption was 17.3 MB. Max. memory is 16.1 GB. * 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... ### Bit-precise run ### This is Ultimate 0.2.0-7b2dab5 [2021-10-11 02:30:43,615 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 02:30:43,618 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 02:30:43,669 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 02:30:43,670 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 02:30:43,675 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 02:30:43,678 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 02:30:43,682 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 02:30:43,686 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 02:30:43,688 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 02:30:43,689 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 02:30:43,690 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 02:30:43,691 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 02:30:43,692 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 02:30:43,693 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 02:30:43,695 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 02:30:43,695 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 02:30:43,696 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 02:30:43,698 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 02:30:43,700 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 02:30:43,713 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 02:30:43,718 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 02:30:43,722 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 02:30:43,724 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 02:30:43,733 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 02:30:43,734 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 02:30:43,734 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 02:30:43,737 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 02:30:43,737 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 02:30:43,739 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 02:30:43,739 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 02:30:43,740 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 02:30:43,742 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 02:30:43,743 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 02:30:43,744 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 02:30:43,744 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 02:30:43,745 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 02:30:43,746 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 02:30:43,746 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 02:30:43,748 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 02:30:43,749 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 02:30:43,750 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ca44b5d-c65f-429c-8b85-ee1f8d73ca9c/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2021-10-11 02:30:43,789 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 02:30:43,790 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 02:30:43,791 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-11 02:30:43,792 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-11 02:30:43,792 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-11 02:30:43,792 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-11 02:30:43,793 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-11 02:30:43,793 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-11 02:30:43,793 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-11 02:30:43,795 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 02:30:43,796 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 02:30:43,796 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 02:30:43,796 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 02:30:43,797 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 02:30:43,797 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-11 02:30:43,797 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-11 02:30:43,797 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-11 02:30:43,798 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 02:30:43,798 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 02:30:43,798 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 02:30:43,798 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 02:30:43,799 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-11 02:30:43,799 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 02:30:43,799 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:30:43,799 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 02:30:43,800 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 02:30:43,800 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 02:30:43,800 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-11 02:30:43,800 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-11 02:30:43,801 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 02:30:43,801 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 02:30:43,801 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 02:30:43,801 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_6ca44b5d-c65f-429c-8b85-ee1f8d73ca9c/bin/utaipan-WLngWcDbfI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ca44b5d-c65f-429c-8b85-ee1f8d73ca9c/bin/utaipan-WLngWcDbfI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8ef97106b73039a405ac251785296494f5df01c0 [2021-10-11 02:30:44,181 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 02:30:44,207 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 02:30:44,209 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 02:30:44,211 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 02:30:44,211 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 02:30:44,212 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ca44b5d-c65f-429c-8b85-ee1f8d73ca9c/bin/utaipan-WLngWcDbfI/../../sv-benchmarks/c/busybox-1.22.0/stty-2.i [2021-10-11 02:30:44,276 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ca44b5d-c65f-429c-8b85-ee1f8d73ca9c/bin/utaipan-WLngWcDbfI/data/fd27f5215/9807cb23852c49848e6e13b1f721d28c/FLAGa7ec85fbd [2021-10-11 02:30:45,129 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 02:30:45,130 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ca44b5d-c65f-429c-8b85-ee1f8d73ca9c/sv-benchmarks/c/busybox-1.22.0/stty-2.i [2021-10-11 02:30:45,176 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ca44b5d-c65f-429c-8b85-ee1f8d73ca9c/bin/utaipan-WLngWcDbfI/data/fd27f5215/9807cb23852c49848e6e13b1f721d28c/FLAGa7ec85fbd [2021-10-11 02:30:45,661 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ca44b5d-c65f-429c-8b85-ee1f8d73ca9c/bin/utaipan-WLngWcDbfI/data/fd27f5215/9807cb23852c49848e6e13b1f721d28c [2021-10-11 02:30:45,663 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 02:30:45,668 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 02:30:45,670 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 02:30:45,670 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 02:30:45,674 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 02:30:45,675 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:30:45" (1/1) ... [2021-10-11 02:30:45,678 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2dd720c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:30:45, skipping insertion in model container [2021-10-11 02:30:45,678 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:30:45" (1/1) ... [2021-10-11 02:30:45,686 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 02:30:45,844 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:30:47,707 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: wrapf [2021-10-11 02:30:47,708 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@8d1646b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:30:47, skipping insertion in model container [2021-10-11 02:30:47,708 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 02:30:47,709 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-11 02:30:47,711 INFO L168 Benchmark]: Toolchain (without parser) took 2042.02 ms. Allocated memory was 56.6 MB in the beginning and 77.6 MB in the end (delta: 21.0 MB). Free memory was 25.8 MB in the beginning and 52.6 MB in the end (delta: -26.8 MB). Peak memory consumption was 21.2 MB. Max. memory is 16.1 GB. [2021-10-11 02:30:47,712 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 56.6 MB. Free memory was 36.4 MB in the beginning and 36.4 MB in the end (delta: 75.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:30:47,713 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2038.84 ms. Allocated memory was 56.6 MB in the beginning and 77.6 MB in the end (delta: 21.0 MB). Free memory was 25.7 MB in the beginning and 52.6 MB in the end (delta: -27.0 MB). Peak memory consumption was 21.2 MB. Max. memory is 16.1 GB. [2021-10-11 02:30:47,715 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 56.6 MB. Free memory was 36.4 MB in the beginning and 36.4 MB in the end (delta: 75.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 2038.84 ms. Allocated memory was 56.6 MB in the beginning and 77.6 MB in the end (delta: 21.0 MB). Free memory was 25.7 MB in the beginning and 52.6 MB in the end (delta: -27.0 MB). Peak memory consumption was 21.2 MB. Max. memory is 16.1 GB. * 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...