./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 aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5aad04e7-ffac-40d8-984b-3dc51c726443/bin/utaipan-EQgc7hIp5V/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5aad04e7-ffac-40d8-984b-3dc51c726443/bin/utaipan-EQgc7hIp5V/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5aad04e7-ffac-40d8-984b-3dc51c726443/bin/utaipan-EQgc7hIp5V/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5aad04e7-ffac-40d8-984b-3dc51c726443/bin/utaipan-EQgc7hIp5V/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_5aad04e7-ffac-40d8-984b-3dc51c726443/bin/utaipan-EQgc7hIp5V/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5aad04e7-ffac-40d8-984b-3dc51c726443/bin/utaipan-EQgc7hIp5V --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 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 02:39:59,316 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 02:39:59,318 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 02:39:59,354 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 02:39:59,355 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 02:39:59,356 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 02:39:59,358 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 02:39:59,361 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 02:39:59,363 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 02:39:59,364 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 02:39:59,366 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 02:39:59,367 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 02:39:59,368 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 02:39:59,369 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 02:39:59,371 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 02:39:59,373 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 02:39:59,375 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 02:39:59,376 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 02:39:59,379 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 02:39:59,382 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 02:39:59,384 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 02:39:59,386 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 02:39:59,388 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 02:39:59,389 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 02:39:59,393 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 02:39:59,394 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 02:39:59,394 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 02:39:59,396 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 02:39:59,396 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 02:39:59,398 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 02:39:59,398 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 02:39:59,399 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 02:39:59,400 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 02:39:59,402 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 02:39:59,403 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 02:39:59,404 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 02:39:59,405 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 02:39:59,405 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 02:39:59,406 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 02:39:59,407 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 02:39:59,408 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 02:39:59,409 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5aad04e7-ffac-40d8-984b-3dc51c726443/bin/utaipan-EQgc7hIp5V/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-23 02:39:59,437 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 02:39:59,438 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 02:39:59,438 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 02:39:59,438 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 02:39:59,439 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 02:39:59,439 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 02:39:59,440 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 02:39:59,440 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 02:39:59,440 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 02:39:59,440 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-23 02:39:59,441 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 02:39:59,441 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 02:39:59,441 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-23 02:39:59,441 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-23 02:39:59,442 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 02:39:59,448 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-23 02:39:59,449 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-23 02:39:59,449 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-23 02:39:59,450 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 02:39:59,450 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 02:39:59,450 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 02:39:59,451 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 02:39:59,451 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 02:39:59,451 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 02:39:59,451 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 02:39:59,452 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 02:39:59,452 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 02:39:59,452 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 02:39:59,453 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 02:39:59,453 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 02:39:59,453 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 02:39:59,453 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 02:39:59,454 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 02:39:59,454 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-23 02:39:59,454 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 02:39:59,454 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 02:39:59,455 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 02:39:59,455 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 02:39:59,455 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_5aad04e7-ffac-40d8-984b-3dc51c726443/bin/utaipan-EQgc7hIp5V/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5aad04e7-ffac-40d8-984b-3dc51c726443/bin/utaipan-EQgc7hIp5V Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a972f39ef2cd03953df191632190fe9931cffc2fe34baa5d80a9321a06dfcfbe [2021-11-23 02:39:59,813 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 02:39:59,840 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 02:39:59,843 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 02:39:59,844 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 02:39:59,846 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 02:39:59,847 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5aad04e7-ffac-40d8-984b-3dc51c726443/bin/utaipan-EQgc7hIp5V/../../sv-benchmarks/c/busybox-1.22.0/stty-2.i [2021-11-23 02:39:59,918 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5aad04e7-ffac-40d8-984b-3dc51c726443/bin/utaipan-EQgc7hIp5V/data/c7eace873/84839b6ef11e41c59998e02286108bee/FLAG37fe2cb26 [2021-11-23 02:40:00,781 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 02:40:00,781 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5aad04e7-ffac-40d8-984b-3dc51c726443/sv-benchmarks/c/busybox-1.22.0/stty-2.i [2021-11-23 02:40:00,828 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5aad04e7-ffac-40d8-984b-3dc51c726443/bin/utaipan-EQgc7hIp5V/data/c7eace873/84839b6ef11e41c59998e02286108bee/FLAG37fe2cb26 [2021-11-23 02:40:01,312 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5aad04e7-ffac-40d8-984b-3dc51c726443/bin/utaipan-EQgc7hIp5V/data/c7eace873/84839b6ef11e41c59998e02286108bee [2021-11-23 02:40:01,315 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 02:40:01,316 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 02:40:01,318 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 02:40:01,318 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 02:40:01,336 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 02:40:01,337 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:40:01" (1/1) ... [2021-11-23 02:40:01,338 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e75ca10 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:40:01, skipping insertion in model container [2021-11-23 02:40:01,338 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:40:01" (1/1) ... [2021-11-23 02:40:01,345 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 02:40:01,460 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 02:40:03,260 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: wrapf [2021-11-23 02:40:03,261 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1b88ff21 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:40:03, skipping insertion in model container [2021-11-23 02:40:03,261 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 02:40:03,261 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-23 02:40:03,263 INFO L158 Benchmark]: Toolchain (without parser) took 1945.58ms. Allocated memory was 83.9MB in the beginning and 115.3MB in the end (delta: 31.5MB). Free memory was 56.1MB in the beginning and 59.7MB in the end (delta: -3.6MB). Peak memory consumption was 27.6MB. Max. memory is 16.1GB. [2021-11-23 02:40:03,264 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 83.9MB. Free memory was 62.8MB in the beginning and 62.7MB in the end (delta: 47.8kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 02:40:03,265 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1943.35ms. Allocated memory was 83.9MB in the beginning and 115.3MB in the end (delta: 31.5MB). Free memory was 55.9MB in the beginning and 59.7MB in the end (delta: -3.8MB). Peak memory consumption was 27.6MB. Max. memory is 16.1GB. [2021-11-23 02:40:03,267 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 83.9MB. Free memory was 62.8MB in the beginning and 62.7MB in the end (delta: 47.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1943.35ms. Allocated memory was 83.9MB in the beginning and 115.3MB in the end (delta: 31.5MB). Free memory was 55.9MB in the beginning and 59.7MB in the end (delta: -3.8MB). Peak memory consumption was 27.6MB. Max. memory is 16.1GB. * 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... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5aad04e7-ffac-40d8-984b-3dc51c726443/bin/utaipan-EQgc7hIp5V/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5aad04e7-ffac-40d8-984b-3dc51c726443/bin/utaipan-EQgc7hIp5V/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5aad04e7-ffac-40d8-984b-3dc51c726443/bin/utaipan-EQgc7hIp5V/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5aad04e7-ffac-40d8-984b-3dc51c726443/bin/utaipan-EQgc7hIp5V/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_5aad04e7-ffac-40d8-984b-3dc51c726443/bin/utaipan-EQgc7hIp5V/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5aad04e7-ffac-40d8-984b-3dc51c726443/bin/utaipan-EQgc7hIp5V --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 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 02:40:05,522 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 02:40:05,525 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 02:40:05,581 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 02:40:05,581 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 02:40:05,586 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 02:40:05,588 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 02:40:05,592 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 02:40:05,595 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 02:40:05,602 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 02:40:05,604 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 02:40:05,605 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 02:40:05,606 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 02:40:05,608 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 02:40:05,610 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 02:40:05,614 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 02:40:05,616 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 02:40:05,617 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 02:40:05,619 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 02:40:05,628 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 02:40:05,631 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 02:40:05,632 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 02:40:05,634 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 02:40:05,637 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 02:40:05,646 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 02:40:05,646 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 02:40:05,647 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 02:40:05,649 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 02:40:05,650 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 02:40:05,651 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 02:40:05,651 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 02:40:05,652 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 02:40:05,654 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 02:40:05,655 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 02:40:05,665 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 02:40:05,666 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 02:40:05,667 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 02:40:05,667 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 02:40:05,667 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 02:40:05,669 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 02:40:05,670 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 02:40:05,671 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5aad04e7-ffac-40d8-984b-3dc51c726443/bin/utaipan-EQgc7hIp5V/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2021-11-23 02:40:05,716 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 02:40:05,717 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 02:40:05,717 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 02:40:05,718 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 02:40:05,719 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 02:40:05,719 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 02:40:05,719 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 02:40:05,720 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 02:40:05,720 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 02:40:05,720 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 02:40:05,721 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 02:40:05,722 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 02:40:05,723 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 02:40:05,723 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 02:40:05,724 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 02:40:05,724 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 02:40:05,724 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 02:40:05,724 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 02:40:05,725 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 02:40:05,725 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 02:40:05,725 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 02:40:05,725 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 02:40:05,725 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 02:40:05,726 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 02:40:05,726 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-23 02:40:05,726 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 02:40:05,726 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 02:40:05,727 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 02:40:05,727 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 02:40:05,727 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 02:40:05,727 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 02:40:05,727 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 02:40:05,728 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 02:40:05,728 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 02:40:05,729 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 02:40:05,729 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_5aad04e7-ffac-40d8-984b-3dc51c726443/bin/utaipan-EQgc7hIp5V/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5aad04e7-ffac-40d8-984b-3dc51c726443/bin/utaipan-EQgc7hIp5V Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a972f39ef2cd03953df191632190fe9931cffc2fe34baa5d80a9321a06dfcfbe [2021-11-23 02:40:06,118 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 02:40:06,150 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 02:40:06,155 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 02:40:06,156 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 02:40:06,157 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 02:40:06,159 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5aad04e7-ffac-40d8-984b-3dc51c726443/bin/utaipan-EQgc7hIp5V/../../sv-benchmarks/c/busybox-1.22.0/stty-2.i [2021-11-23 02:40:06,241 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5aad04e7-ffac-40d8-984b-3dc51c726443/bin/utaipan-EQgc7hIp5V/data/7f15d4da9/324a8141f169459d921677547f9d9104/FLAG90afc664f [2021-11-23 02:40:07,055 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 02:40:07,055 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5aad04e7-ffac-40d8-984b-3dc51c726443/sv-benchmarks/c/busybox-1.22.0/stty-2.i [2021-11-23 02:40:07,085 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5aad04e7-ffac-40d8-984b-3dc51c726443/bin/utaipan-EQgc7hIp5V/data/7f15d4da9/324a8141f169459d921677547f9d9104/FLAG90afc664f [2021-11-23 02:40:07,564 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5aad04e7-ffac-40d8-984b-3dc51c726443/bin/utaipan-EQgc7hIp5V/data/7f15d4da9/324a8141f169459d921677547f9d9104 [2021-11-23 02:40:07,567 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 02:40:07,569 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 02:40:07,570 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 02:40:07,571 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 02:40:07,577 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 02:40:07,578 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:40:07" (1/1) ... [2021-11-23 02:40:07,579 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6bf6c345 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:40:07, skipping insertion in model container [2021-11-23 02:40:07,579 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:40:07" (1/1) ... [2021-11-23 02:40:07,586 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 02:40:07,716 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 02:40:09,651 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: wrapf [2021-11-23 02:40:09,652 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1c1000bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:40:09, skipping insertion in model container [2021-11-23 02:40:09,652 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 02:40:09,653 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2021-11-23 02:40:09,655 INFO L158 Benchmark]: Toolchain (without parser) took 2084.64ms. Allocated memory was 73.4MB in the beginning and 98.6MB in the end (delta: 25.2MB). Free memory was 50.9MB in the beginning and 50.8MB in the end (delta: 138.4kB). Peak memory consumption was 27.9MB. Max. memory is 16.1GB. [2021-11-23 02:40:09,656 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 73.4MB. Free memory is still 54.6MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 02:40:09,658 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2082.16ms. Allocated memory was 73.4MB in the beginning and 98.6MB in the end (delta: 25.2MB). Free memory was 50.8MB in the beginning and 50.8MB in the end (delta: -32.9kB). Peak memory consumption was 27.9MB. Max. memory is 16.1GB. [2021-11-23 02:40:09,661 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 73.4MB. Free memory is still 54.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2082.16ms. Allocated memory was 73.4MB in the beginning and 98.6MB in the end (delta: 25.2MB). Free memory was 50.8MB in the beginning and 50.8MB in the end (delta: -32.9kB). Peak memory consumption was 27.9MB. Max. memory is 16.1GB. * 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... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN