./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 e943c265 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e6e5c7-8327-4452-9e79-44229b1ec5b9/bin/utaipan-9zjyvhn0QE/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e6e5c7-8327-4452-9e79-44229b1ec5b9/bin/utaipan-9zjyvhn0QE/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e6e5c7-8327-4452-9e79-44229b1ec5b9/bin/utaipan-9zjyvhn0QE/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e6e5c7-8327-4452-9e79-44229b1ec5b9/bin/utaipan-9zjyvhn0QE/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_04e6e5c7-8327-4452-9e79-44229b1ec5b9/bin/utaipan-9zjyvhn0QE/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e6e5c7-8327-4452-9e79-44229b1ec5b9/bin/utaipan-9zjyvhn0QE --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 ....................................................................................................................................... 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_04e6e5c7-8327-4452-9e79-44229b1ec5b9/bin/utaipan-9zjyvhn0QE/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e6e5c7-8327-4452-9e79-44229b1ec5b9/bin/utaipan-9zjyvhn0QE/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e6e5c7-8327-4452-9e79-44229b1ec5b9/bin/utaipan-9zjyvhn0QE/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e6e5c7-8327-4452-9e79-44229b1ec5b9/bin/utaipan-9zjyvhn0QE/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_04e6e5c7-8327-4452-9e79-44229b1ec5b9/bin/utaipan-9zjyvhn0QE/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e6e5c7-8327-4452-9e79-44229b1ec5b9/bin/utaipan-9zjyvhn0QE --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 ................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.2.1-dev-e943c26 [2021-10-24 10:08:17,960 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-24 10:08:17,962 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-24 10:08:18,025 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-24 10:08:18,026 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-24 10:08:18,027 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-24 10:08:18,029 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-24 10:08:18,031 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-24 10:08:18,034 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-24 10:08:18,035 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-24 10:08:18,036 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-24 10:08:18,038 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-24 10:08:18,038 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-24 10:08:18,040 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-24 10:08:18,041 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-24 10:08:18,043 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-24 10:08:18,044 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-24 10:08:18,046 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-24 10:08:18,049 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-24 10:08:18,051 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-24 10:08:18,054 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-24 10:08:18,056 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-24 10:08:18,057 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-24 10:08:18,059 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-24 10:08:18,063 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-24 10:08:18,063 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-24 10:08:18,064 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-24 10:08:18,065 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-24 10:08:18,065 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-24 10:08:18,067 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-24 10:08:18,067 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-24 10:08:18,068 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-24 10:08:18,069 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-24 10:08:18,070 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-24 10:08:18,072 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-24 10:08:18,072 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-24 10:08:18,073 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-24 10:08:18,074 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-24 10:08:18,074 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-24 10:08:18,075 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-24 10:08:18,076 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-24 10:08:18,077 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e6e5c7-8327-4452-9e79-44229b1ec5b9/bin/utaipan-9zjyvhn0QE/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-10-24 10:08:18,110 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-24 10:08:18,112 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-24 10:08:18,115 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-24 10:08:18,116 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-24 10:08:18,116 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-24 10:08:18,116 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-24 10:08:18,116 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-24 10:08:18,117 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-24 10:08:18,117 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-24 10:08:18,117 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-24 10:08:18,118 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-24 10:08:18,119 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-24 10:08:18,119 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-24 10:08:18,119 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-24 10:08:18,120 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-24 10:08:18,120 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-24 10:08:18,121 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-24 10:08:18,121 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-24 10:08:18,121 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-24 10:08:18,121 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-24 10:08:18,121 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-24 10:08:18,122 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-24 10:08:18,122 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-24 10:08:18,122 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-24 10:08:18,122 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-24 10:08:18,123 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-24 10:08:18,123 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-24 10:08:18,123 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-24 10:08:18,123 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-24 10:08:18,125 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-24 10:08:18,125 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-24 10:08:18,126 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-24 10:08:18,126 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-24 10:08:18,126 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-24 10:08:18,126 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-24 10:08:18,127 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-24 10:08:18,127 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_04e6e5c7-8327-4452-9e79-44229b1ec5b9/bin/utaipan-9zjyvhn0QE/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e6e5c7-8327-4452-9e79-44229b1ec5b9/bin/utaipan-9zjyvhn0QE Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a972f39ef2cd03953df191632190fe9931cffc2fe34baa5d80a9321a06dfcfbe [2021-10-24 10:08:18,436 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-24 10:08:18,460 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-24 10:08:18,463 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-24 10:08:18,464 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-24 10:08:18,465 INFO L275 PluginConnector]: CDTParser initialized [2021-10-24 10:08:18,466 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e6e5c7-8327-4452-9e79-44229b1ec5b9/bin/utaipan-9zjyvhn0QE/../../sv-benchmarks/c/busybox-1.22.0/stty-2.i [2021-10-24 10:08:18,540 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e6e5c7-8327-4452-9e79-44229b1ec5b9/bin/utaipan-9zjyvhn0QE/data/d613516ba/6cee6e69001141e490847e4154c4361a/FLAG7d716512f [2021-10-24 10:08:19,493 INFO L306 CDTParser]: Found 1 translation units. [2021-10-24 10:08:19,494 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e6e5c7-8327-4452-9e79-44229b1ec5b9/sv-benchmarks/c/busybox-1.22.0/stty-2.i [2021-10-24 10:08:19,548 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e6e5c7-8327-4452-9e79-44229b1ec5b9/bin/utaipan-9zjyvhn0QE/data/d613516ba/6cee6e69001141e490847e4154c4361a/FLAG7d716512f [2021-10-24 10:08:19,922 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e6e5c7-8327-4452-9e79-44229b1ec5b9/bin/utaipan-9zjyvhn0QE/data/d613516ba/6cee6e69001141e490847e4154c4361a [2021-10-24 10:08:19,926 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-24 10:08:19,928 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-24 10:08:19,932 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-24 10:08:19,932 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-24 10:08:19,936 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-24 10:08:19,937 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 10:08:19" (1/1) ... [2021-10-24 10:08:19,939 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4caa43ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:08:19, skipping insertion in model container [2021-10-24 10:08:19,940 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 10:08:19" (1/1) ... [2021-10-24 10:08:19,949 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-24 10:08:20,100 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-24 10:08:22,233 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: wrapf [2021-10-24 10:08:22,233 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@4f28f440 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:08:22, skipping insertion in model container [2021-10-24 10:08:22,234 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-24 10:08:22,234 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-24 10:08:22,237 INFO L168 Benchmark]: Toolchain (without parser) took 2306.90 ms. Allocated memory is still 117.4 MB. Free memory was 71.2 MB in the beginning and 58.7 MB in the end (delta: 12.5 MB). Peak memory consumption was 17.9 MB. Max. memory is 16.1 GB. [2021-10-24 10:08:22,238 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 117.4 MB. Free memory was 95.7 MB in the beginning and 95.5 MB in the end (delta: 125.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-24 10:08:22,239 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2302.59 ms. Allocated memory is still 117.4 MB. Free memory was 70.9 MB in the beginning and 58.7 MB in the end (delta: 12.2 MB). Peak memory consumption was 17.9 MB. Max. memory is 16.1 GB. [2021-10-24 10:08:22,241 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 117.4 MB. Free memory was 95.7 MB in the beginning and 95.5 MB in the end (delta: 125.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 2302.59 ms. Allocated memory is still 117.4 MB. Free memory was 70.9 MB in the beginning and 58.7 MB in the end (delta: 12.2 MB). Peak memory consumption was 17.9 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 0.2.1-dev-e943c26 [2021-10-24 10:08:24,634 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-24 10:08:24,638 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-24 10:08:24,696 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-24 10:08:24,697 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-24 10:08:24,701 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-24 10:08:24,704 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-24 10:08:24,709 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-24 10:08:24,712 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-24 10:08:24,724 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-24 10:08:24,727 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-24 10:08:24,729 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-24 10:08:24,731 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-24 10:08:24,734 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-24 10:08:24,736 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-24 10:08:24,738 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-24 10:08:24,739 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-24 10:08:24,741 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-24 10:08:24,743 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-24 10:08:24,758 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-24 10:08:24,761 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-24 10:08:24,763 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-24 10:08:24,771 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-24 10:08:24,774 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-24 10:08:24,782 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-24 10:08:24,783 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-24 10:08:24,783 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-24 10:08:24,785 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-24 10:08:24,785 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-24 10:08:24,787 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-24 10:08:24,787 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-24 10:08:24,788 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-24 10:08:24,789 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-24 10:08:24,790 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-24 10:08:24,816 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-24 10:08:24,817 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-24 10:08:24,818 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-24 10:08:24,819 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-24 10:08:24,819 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-24 10:08:24,822 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-24 10:08:24,824 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-24 10:08:24,827 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e6e5c7-8327-4452-9e79-44229b1ec5b9/bin/utaipan-9zjyvhn0QE/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2021-10-24 10:08:24,881 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-24 10:08:24,882 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-24 10:08:24,884 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-24 10:08:24,884 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-24 10:08:24,884 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-24 10:08:24,885 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-24 10:08:24,885 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-24 10:08:24,885 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-24 10:08:24,886 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-24 10:08:24,887 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-24 10:08:24,889 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-24 10:08:24,889 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-24 10:08:24,889 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-24 10:08:24,890 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-24 10:08:24,890 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-24 10:08:24,890 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-24 10:08:24,891 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-24 10:08:24,891 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-24 10:08:24,891 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-24 10:08:24,891 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-24 10:08:24,892 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-24 10:08:24,892 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-24 10:08:24,892 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-24 10:08:24,892 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-24 10:08:24,893 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-24 10:08:24,893 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-24 10:08:24,893 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-24 10:08:24,893 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-24 10:08:24,894 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-24 10:08:24,894 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-24 10:08:24,894 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-24 10:08:24,894 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-24 10:08:24,895 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_04e6e5c7-8327-4452-9e79-44229b1ec5b9/bin/utaipan-9zjyvhn0QE/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e6e5c7-8327-4452-9e79-44229b1ec5b9/bin/utaipan-9zjyvhn0QE Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a972f39ef2cd03953df191632190fe9931cffc2fe34baa5d80a9321a06dfcfbe [2021-10-24 10:08:25,253 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-24 10:08:25,276 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-24 10:08:25,279 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-24 10:08:25,281 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-24 10:08:25,281 INFO L275 PluginConnector]: CDTParser initialized [2021-10-24 10:08:25,283 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e6e5c7-8327-4452-9e79-44229b1ec5b9/bin/utaipan-9zjyvhn0QE/../../sv-benchmarks/c/busybox-1.22.0/stty-2.i [2021-10-24 10:08:25,380 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e6e5c7-8327-4452-9e79-44229b1ec5b9/bin/utaipan-9zjyvhn0QE/data/8ed2214f1/d7cd2fc0b2104c3ba433fa4b50a1837c/FLAG96db6df9c [2021-10-24 10:08:26,378 INFO L306 CDTParser]: Found 1 translation units. [2021-10-24 10:08:26,379 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e6e5c7-8327-4452-9e79-44229b1ec5b9/sv-benchmarks/c/busybox-1.22.0/stty-2.i [2021-10-24 10:08:26,425 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e6e5c7-8327-4452-9e79-44229b1ec5b9/bin/utaipan-9zjyvhn0QE/data/8ed2214f1/d7cd2fc0b2104c3ba433fa4b50a1837c/FLAG96db6df9c [2021-10-24 10:08:26,765 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e6e5c7-8327-4452-9e79-44229b1ec5b9/bin/utaipan-9zjyvhn0QE/data/8ed2214f1/d7cd2fc0b2104c3ba433fa4b50a1837c [2021-10-24 10:08:26,768 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-24 10:08:26,771 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-24 10:08:26,773 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-24 10:08:26,774 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-24 10:08:26,778 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-24 10:08:26,779 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 10:08:26" (1/1) ... [2021-10-24 10:08:26,780 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@52f61217 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:08:26, skipping insertion in model container [2021-10-24 10:08:26,780 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 10:08:26" (1/1) ... [2021-10-24 10:08:26,789 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-24 10:08:26,961 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-24 10:08:29,057 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: wrapf [2021-10-24 10:08:29,058 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@54893d99 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:08:29, skipping insertion in model container [2021-10-24 10:08:29,058 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-24 10:08:29,058 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-24 10:08:29,062 INFO L168 Benchmark]: Toolchain (without parser) took 2288.48 ms. Allocated memory is still 90.2 MB. Free memory was 70.0 MB in the beginning and 58.5 MB in the end (delta: 11.5 MB). Peak memory consumption was 39.1 MB. Max. memory is 16.1 GB. [2021-10-24 10:08:29,065 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 90.2 MB. Free memory was 71.2 MB in the beginning and 71.1 MB in the end (delta: 78.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-24 10:08:29,065 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2285.14 ms. Allocated memory is still 90.2 MB. Free memory was 70.0 MB in the beginning and 58.5 MB in the end (delta: 11.5 MB). Peak memory consumption was 39.1 MB. Max. memory is 16.1 GB. [2021-10-24 10:08:29,067 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 90.2 MB. Free memory was 71.2 MB in the beginning and 71.1 MB in the end (delta: 78.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 2285.14 ms. Allocated memory is still 90.2 MB. Free memory was 70.0 MB in the beginning and 58.5 MB in the end (delta: 11.5 MB). Peak memory consumption was 39.1 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...