./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 4e77c044 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5683850-33a6-4753-b636-9ba053cda20f/bin/utaipan-q2qaUkNPG8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5683850-33a6-4753-b636-9ba053cda20f/bin/utaipan-q2qaUkNPG8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5683850-33a6-4753-b636-9ba053cda20f/bin/utaipan-q2qaUkNPG8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5683850-33a6-4753-b636-9ba053cda20f/bin/utaipan-q2qaUkNPG8/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_b5683850-33a6-4753-b636-9ba053cda20f/bin/utaipan-q2qaUkNPG8/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5683850-33a6-4753-b636-9ba053cda20f/bin/utaipan-q2qaUkNPG8 --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_b5683850-33a6-4753-b636-9ba053cda20f/bin/utaipan-q2qaUkNPG8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5683850-33a6-4753-b636-9ba053cda20f/bin/utaipan-q2qaUkNPG8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5683850-33a6-4753-b636-9ba053cda20f/bin/utaipan-q2qaUkNPG8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5683850-33a6-4753-b636-9ba053cda20f/bin/utaipan-q2qaUkNPG8/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_b5683850-33a6-4753-b636-9ba053cda20f/bin/utaipan-q2qaUkNPG8/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5683850-33a6-4753-b636-9ba053cda20f/bin/utaipan-q2qaUkNPG8 --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 0.2.1-dev-4e77c04 [2021-10-13 07:26:51,636 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 07:26:51,638 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 07:26:51,670 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 07:26:51,671 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 07:26:51,672 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 07:26:51,674 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 07:26:51,676 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 07:26:51,678 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 07:26:51,679 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 07:26:51,681 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 07:26:51,682 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 07:26:51,683 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 07:26:51,684 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 07:26:51,686 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 07:26:51,688 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 07:26:51,689 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 07:26:51,690 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 07:26:51,692 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 07:26:51,695 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 07:26:51,696 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 07:26:51,698 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 07:26:51,699 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 07:26:51,700 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 07:26:51,704 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 07:26:51,705 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 07:26:51,705 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 07:26:51,706 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 07:26:51,707 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 07:26:51,708 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 07:26:51,709 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 07:26:51,710 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 07:26:51,711 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 07:26:51,712 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 07:26:51,713 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 07:26:51,713 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 07:26:51,714 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 07:26:51,715 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 07:26:51,715 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 07:26:51,716 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 07:26:51,717 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 07:26:51,719 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5683850-33a6-4753-b636-9ba053cda20f/bin/utaipan-q2qaUkNPG8/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-10-13 07:26:51,746 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 07:26:51,749 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 07:26:51,750 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-13 07:26:51,750 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-13 07:26:51,750 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-13 07:26:51,750 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-13 07:26:51,751 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-13 07:26:51,751 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-13 07:26:51,751 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-13 07:26:51,751 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-13 07:26:51,752 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-13 07:26:51,752 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-13 07:26:51,752 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-13 07:26:51,752 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-13 07:26:51,752 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-13 07:26:51,753 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 07:26:51,753 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 07:26:51,754 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 07:26:51,754 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-13 07:26:51,754 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 07:26:51,754 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-13 07:26:51,755 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-13 07:26:51,755 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 07:26:51,755 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 07:26:51,755 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-13 07:26:51,757 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 07:26:51,757 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-13 07:26:51,757 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 07:26:51,758 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 07:26:51,759 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 07:26:51,759 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-13 07:26:51,759 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-13 07:26:51,759 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-13 07:26:51,760 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-13 07:26:51,760 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 07:26:51,760 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-13 07:26:51,761 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_b5683850-33a6-4753-b636-9ba053cda20f/bin/utaipan-q2qaUkNPG8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5683850-33a6-4753-b636-9ba053cda20f/bin/utaipan-q2qaUkNPG8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8ef97106b73039a405ac251785296494f5df01c0 [2021-10-13 07:26:52,063 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 07:26:52,095 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 07:26:52,100 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 07:26:52,102 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 07:26:52,103 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 07:26:52,104 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5683850-33a6-4753-b636-9ba053cda20f/bin/utaipan-q2qaUkNPG8/../../sv-benchmarks/c/busybox-1.22.0/stty-2.i [2021-10-13 07:26:52,195 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5683850-33a6-4753-b636-9ba053cda20f/bin/utaipan-q2qaUkNPG8/data/6a63d2a99/499501aa66654524a382caf19cbf200d/FLAG3974acc28 [2021-10-13 07:26:53,143 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 07:26:53,144 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5683850-33a6-4753-b636-9ba053cda20f/sv-benchmarks/c/busybox-1.22.0/stty-2.i [2021-10-13 07:26:53,191 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5683850-33a6-4753-b636-9ba053cda20f/bin/utaipan-q2qaUkNPG8/data/6a63d2a99/499501aa66654524a382caf19cbf200d/FLAG3974acc28 [2021-10-13 07:26:53,529 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5683850-33a6-4753-b636-9ba053cda20f/bin/utaipan-q2qaUkNPG8/data/6a63d2a99/499501aa66654524a382caf19cbf200d [2021-10-13 07:26:53,531 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 07:26:53,533 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 07:26:53,534 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 07:26:53,535 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 07:26:53,538 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 07:26:53,539 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:26:53" (1/1) ... [2021-10-13 07:26:53,541 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5870719b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:26:53, skipping insertion in model container [2021-10-13 07:26:53,541 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:26:53" (1/1) ... [2021-10-13 07:26:53,549 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 07:26:53,696 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 07:26:56,049 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: wrapf [2021-10-13 07:26:56,050 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@324a10fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:26:56, skipping insertion in model container [2021-10-13 07:26:56,050 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 07:26:56,051 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-13 07:26:56,054 INFO L168 Benchmark]: Toolchain (without parser) took 2518.97 ms. Allocated memory was 92.3 MB in the beginning and 119.5 MB in the end (delta: 27.3 MB). Free memory was 65.3 MB in the beginning and 63.4 MB in the end (delta: 1.9 MB). Peak memory consumption was 33.8 MB. Max. memory is 16.1 GB. [2021-10-13 07:26:56,055 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 92.3 MB. Free memory is still 70.5 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 07:26:56,056 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2516.28 ms. Allocated memory was 92.3 MB in the beginning and 119.5 MB in the end (delta: 27.3 MB). Free memory was 65.3 MB in the beginning and 63.4 MB in the end (delta: 1.9 MB). Peak memory consumption was 33.8 MB. Max. memory is 16.1 GB. [2021-10-13 07:26:56,059 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 92.3 MB. Free memory is still 70.5 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 2516.28 ms. Allocated memory was 92.3 MB in the beginning and 119.5 MB in the end (delta: 27.3 MB). Free memory was 65.3 MB in the beginning and 63.4 MB in the end (delta: 1.9 MB). Peak memory consumption was 33.8 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-4e77c04 [2021-10-13 07:26:58,616 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 07:26:58,619 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 07:26:58,656 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 07:26:58,657 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 07:26:58,659 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 07:26:58,662 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 07:26:58,664 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 07:26:58,667 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 07:26:58,669 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 07:26:58,671 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 07:26:58,673 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 07:26:58,673 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 07:26:58,681 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 07:26:58,683 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 07:26:58,685 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 07:26:58,686 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 07:26:58,688 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 07:26:58,690 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 07:26:58,694 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 07:26:58,696 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 07:26:58,700 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 07:26:58,703 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 07:26:58,706 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 07:26:58,723 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 07:26:58,724 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 07:26:58,725 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 07:26:58,726 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 07:26:58,727 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 07:26:58,728 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 07:26:58,729 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 07:26:58,730 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 07:26:58,734 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 07:26:58,736 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 07:26:58,741 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 07:26:58,741 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 07:26:58,742 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 07:26:58,743 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 07:26:58,743 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 07:26:58,745 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 07:26:58,746 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 07:26:58,747 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5683850-33a6-4753-b636-9ba053cda20f/bin/utaipan-q2qaUkNPG8/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2021-10-13 07:26:58,816 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 07:26:58,816 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 07:26:58,818 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-13 07:26:58,819 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-13 07:26:58,819 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-13 07:26:58,819 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-13 07:26:58,819 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-13 07:26:58,820 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-13 07:26:58,820 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-13 07:26:58,821 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 07:26:58,823 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 07:26:58,823 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-13 07:26:58,823 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 07:26:58,823 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-13 07:26:58,824 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-13 07:26:58,824 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-13 07:26:58,824 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-13 07:26:58,824 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 07:26:58,824 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 07:26:58,825 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-13 07:26:58,825 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 07:26:58,825 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-13 07:26:58,825 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-13 07:26:58,826 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 07:26:58,826 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 07:26:58,826 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 07:26:58,826 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-13 07:26:58,826 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-13 07:26:58,827 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-13 07:26:58,827 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-13 07:26:58,827 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 07:26:58,827 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-13 07:26:58,828 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_b5683850-33a6-4753-b636-9ba053cda20f/bin/utaipan-q2qaUkNPG8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5683850-33a6-4753-b636-9ba053cda20f/bin/utaipan-q2qaUkNPG8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8ef97106b73039a405ac251785296494f5df01c0 [2021-10-13 07:26:59,291 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 07:26:59,316 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 07:26:59,319 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 07:26:59,321 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 07:26:59,322 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 07:26:59,323 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5683850-33a6-4753-b636-9ba053cda20f/bin/utaipan-q2qaUkNPG8/../../sv-benchmarks/c/busybox-1.22.0/stty-2.i [2021-10-13 07:26:59,406 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5683850-33a6-4753-b636-9ba053cda20f/bin/utaipan-q2qaUkNPG8/data/0a9dba4e1/b62fa4e19dba46c6ad153ab0d28e255a/FLAG532d2e2f2 [2021-10-13 07:27:00,477 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 07:27:00,478 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5683850-33a6-4753-b636-9ba053cda20f/sv-benchmarks/c/busybox-1.22.0/stty-2.i [2021-10-13 07:27:00,523 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5683850-33a6-4753-b636-9ba053cda20f/bin/utaipan-q2qaUkNPG8/data/0a9dba4e1/b62fa4e19dba46c6ad153ab0d28e255a/FLAG532d2e2f2 [2021-10-13 07:27:00,848 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b5683850-33a6-4753-b636-9ba053cda20f/bin/utaipan-q2qaUkNPG8/data/0a9dba4e1/b62fa4e19dba46c6ad153ab0d28e255a [2021-10-13 07:27:00,853 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 07:27:00,862 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 07:27:00,864 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 07:27:00,865 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 07:27:00,869 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 07:27:00,871 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:27:00" (1/1) ... [2021-10-13 07:27:00,872 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e3788d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:27:00, skipping insertion in model container [2021-10-13 07:27:00,873 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:27:00" (1/1) ... [2021-10-13 07:27:00,882 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 07:27:01,049 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 07:27:03,351 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: wrapf [2021-10-13 07:27:03,352 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@306c8145 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:27:03, skipping insertion in model container [2021-10-13 07:27:03,352 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 07:27:03,362 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-10-13 07:27:03,365 INFO L168 Benchmark]: Toolchain (without parser) took 2505.58 ms. Allocated memory was 77.6 MB in the beginning and 96.5 MB in the end (delta: 18.9 MB). Free memory was 55.2 MB in the beginning and 49.6 MB in the end (delta: 5.6 MB). Peak memory consumption was 26.4 MB. Max. memory is 16.1 GB. [2021-10-13 07:27:03,367 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 77.6 MB. Free memory was 59.6 MB in the beginning and 59.5 MB in the end (delta: 63.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 07:27:03,369 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2497.47 ms. Allocated memory was 77.6 MB in the beginning and 96.5 MB in the end (delta: 18.9 MB). Free memory was 55.0 MB in the beginning and 49.6 MB in the end (delta: 5.4 MB). Peak memory consumption was 26.4 MB. Max. memory is 16.1 GB. [2021-10-13 07:27:03,372 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 77.6 MB. Free memory was 59.6 MB in the beginning and 59.5 MB in the end (delta: 63.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 2497.47 ms. Allocated memory was 77.6 MB in the beginning and 96.5 MB in the end (delta: 18.9 MB). Free memory was 55.0 MB in the beginning and 49.6 MB in the end (delta: 5.4 MB). Peak memory consumption was 26.4 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...