./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inl_p.i --full-output --architecture 32bit -------------------------------------------------------------------------------- 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_9e4987e9-3788-4388-a79b-aab381779792/bin/utaipan-EQgc7hIp5V/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e4987e9-3788-4388-a79b-aab381779792/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_9e4987e9-3788-4388-a79b-aab381779792/bin/utaipan-EQgc7hIp5V/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e4987e9-3788-4388-a79b-aab381779792/bin/utaipan-EQgc7hIp5V/config/TaipanReach.xml -i ../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inl_p.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e4987e9-3788-4388-a79b-aab381779792/bin/utaipan-EQgc7hIp5V/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e4987e9-3788-4388-a79b-aab381779792/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 32bit --witnessprinter.graph.data.programhash 822210afb67ed99ceea45b432aca8ec250ff4c38d2893c644887ddfbc667fadf --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 03:46:13,342 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 03:46:13,345 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 03:46:13,385 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 03:46:13,386 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 03:46:13,388 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 03:46:13,390 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 03:46:13,393 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 03:46:13,396 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 03:46:13,398 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 03:46:13,399 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 03:46:13,401 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 03:46:13,402 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 03:46:13,404 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 03:46:13,406 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 03:46:13,409 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 03:46:13,410 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 03:46:13,412 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 03:46:13,415 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 03:46:13,418 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 03:46:13,421 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 03:46:13,423 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 03:46:13,425 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 03:46:13,426 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 03:46:13,431 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 03:46:13,436 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 03:46:13,437 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 03:46:13,438 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 03:46:13,444 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 03:46:13,446 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 03:46:13,447 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 03:46:13,448 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 03:46:13,451 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 03:46:13,452 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 03:46:13,454 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 03:46:13,456 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 03:46:13,458 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 03:46:13,458 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 03:46:13,459 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 03:46:13,460 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 03:46:13,461 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 03:46:13,462 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e4987e9-3788-4388-a79b-aab381779792/bin/utaipan-EQgc7hIp5V/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-23 03:46:13,524 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 03:46:13,524 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 03:46:13,525 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 03:46:13,525 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 03:46:13,526 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 03:46:13,526 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 03:46:13,527 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 03:46:13,527 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 03:46:13,527 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 03:46:13,528 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-23 03:46:13,528 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 03:46:13,528 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 03:46:13,528 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-23 03:46:13,529 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-23 03:46:13,529 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 03:46:13,529 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-23 03:46:13,530 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-23 03:46:13,530 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-23 03:46:13,531 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 03:46:13,531 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 03:46:13,532 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 03:46:13,532 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 03:46:13,532 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 03:46:13,532 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 03:46:13,533 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 03:46:13,533 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 03:46:13,533 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 03:46:13,534 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 03:46:13,534 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 03:46:13,534 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 03:46:13,534 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 03:46:13,535 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 03:46:13,535 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 03:46:13,535 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 03:46:13,536 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 03:46:13,536 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 03:46:13,536 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-23 03:46:13,536 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 03:46:13,537 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 03:46:13,537 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 03:46:13,537 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 03:46:13,538 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_9e4987e9-3788-4388-a79b-aab381779792/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e4987e9-3788-4388-a79b-aab381779792/bin/utaipan-EQgc7hIp5V Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 822210afb67ed99ceea45b432aca8ec250ff4c38d2893c644887ddfbc667fadf [2021-11-23 03:46:13,881 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 03:46:13,908 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 03:46:13,912 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 03:46:13,914 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 03:46:13,915 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 03:46:13,917 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e4987e9-3788-4388-a79b-aab381779792/bin/utaipan-EQgc7hIp5V/../../sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inl_p.i [2021-11-23 03:46:13,998 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e4987e9-3788-4388-a79b-aab381779792/bin/utaipan-EQgc7hIp5V/data/5d360a28d/de5a810b54c04b9f86bdffa3a361ff2c/FLAG01866123f [2021-11-23 03:46:14,764 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 03:46:14,765 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e4987e9-3788-4388-a79b-aab381779792/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inl_p.i [2021-11-23 03:46:14,813 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e4987e9-3788-4388-a79b-aab381779792/bin/utaipan-EQgc7hIp5V/data/5d360a28d/de5a810b54c04b9f86bdffa3a361ff2c/FLAG01866123f [2021-11-23 03:46:14,868 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e4987e9-3788-4388-a79b-aab381779792/bin/utaipan-EQgc7hIp5V/data/5d360a28d/de5a810b54c04b9f86bdffa3a361ff2c [2021-11-23 03:46:14,871 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 03:46:14,873 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 03:46:14,880 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 03:46:14,881 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 03:46:14,885 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 03:46:14,888 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:46:14" (1/1) ... [2021-11-23 03:46:14,891 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a67c4f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:46:14, skipping insertion in model container [2021-11-23 03:46:14,893 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:46:14" (1/1) ... [2021-11-23 03:46:14,904 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 03:46:15,044 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 03:46:15,306 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e4987e9-3788-4388-a79b-aab381779792/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inl_p.i[457,470] [2021-11-23 03:46:17,041 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 03:46:17,121 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 03:46:17,136 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e4987e9-3788-4388-a79b-aab381779792/sv-benchmarks/c/ddv-machzwd/ddv_machzwd_inl_p.i[457,470] [2021-11-23 03:46:17,458 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 03:46:17,636 INFO L208 MainTranslator]: Completed translation [2021-11-23 03:46:17,637 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:46:17 WrapperNode [2021-11-23 03:46:17,637 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 03:46:17,638 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 03:46:17,638 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 03:46:17,638 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 03:46:17,647 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:46:17" (1/1) ... [2021-11-23 03:46:17,730 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:46:17" (1/1) ... [2021-11-23 03:46:17,847 INFO L137 Inliner]: procedures = 474, calls = 839, calls flagged for inlining = 54, calls inlined = 37, statements flattened = 1013 [2021-11-23 03:46:17,848 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 03:46:17,849 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 03:46:17,849 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 03:46:17,850 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 03:46:17,861 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:46:17" (1/1) ... [2021-11-23 03:46:17,861 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:46:17" (1/1) ... [2021-11-23 03:46:17,874 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:46:17" (1/1) ... [2021-11-23 03:46:17,875 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:46:17" (1/1) ... [2021-11-23 03:46:17,959 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:46:17" (1/1) ... [2021-11-23 03:46:17,974 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:46:17" (1/1) ... [2021-11-23 03:46:18,005 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:46:17" (1/1) ... [2021-11-23 03:46:18,027 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 03:46:18,038 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 03:46:18,039 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 03:46:18,039 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 03:46:18,040 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:46:17" (1/1) ... [2021-11-23 03:46:18,051 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 03:46:18,074 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e4987e9-3788-4388-a79b-aab381779792/bin/utaipan-EQgc7hIp5V/z3 [2021-11-23 03:46:18,096 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e4987e9-3788-4388-a79b-aab381779792/bin/utaipan-EQgc7hIp5V/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 03:46:18,116 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e4987e9-3788-4388-a79b-aab381779792/bin/utaipan-EQgc7hIp5V/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 03:46:18,160 INFO L130 BoogieDeclarations]: Found specification of procedure zf_timer_off [2021-11-23 03:46:18,160 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_timer_off [2021-11-23 03:46:18,161 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-11-23 03:46:18,161 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_begin [2021-11-23 03:46:18,161 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-11-23 03:46:18,161 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-11-23 03:46:18,162 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 03:46:18,162 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-11-23 03:46:18,162 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-11-23 03:46:18,162 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-11-23 03:46:18,162 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_end [2021-11-23 03:46:18,163 INFO L130 BoogieDeclarations]: Found specification of procedure zf_get_control [2021-11-23 03:46:18,163 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_get_control [2021-11-23 03:46:18,163 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-23 03:46:18,163 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 03:46:18,164 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 03:46:18,164 INFO L130 BoogieDeclarations]: Found specification of procedure request_region [2021-11-23 03:46:18,164 INFO L138 BoogieDeclarations]: Found implementation of procedure request_region [2021-11-23 03:46:18,164 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 03:46:18,164 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 03:46:18,165 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-23 03:46:18,165 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-23 03:46:18,165 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irqsave [2021-11-23 03:46:18,165 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irqsave [2021-11-23 03:46:18,166 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2021-11-23 03:46:18,166 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2021-11-23 03:46:18,166 INFO L130 BoogieDeclarations]: Found specification of procedure release_region [2021-11-23 03:46:18,166 INFO L138 BoogieDeclarations]: Found implementation of procedure release_region [2021-11-23 03:46:18,166 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 03:46:18,167 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 03:46:18,167 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_init [2021-11-23 03:46:18,169 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_init [2021-11-23 03:46:18,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-23 03:46:18,170 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-23 03:46:18,170 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-23 03:46:18,170 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2021-11-23 03:46:18,170 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2021-11-23 03:46:18,171 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 03:46:18,171 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 03:46:18,171 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2021-11-23 03:46:18,171 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2021-11-23 03:46:18,171 INFO L130 BoogieDeclarations]: Found specification of procedure cdev_add [2021-11-23 03:46:18,172 INFO L138 BoogieDeclarations]: Found implementation of procedure cdev_add [2021-11-23 03:46:18,172 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2021-11-23 03:46:18,173 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2021-11-23 03:46:18,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-23 03:46:18,174 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2021-11-23 03:46:18,175 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2021-11-23 03:46:18,175 INFO L130 BoogieDeclarations]: Found specification of procedure outw [2021-11-23 03:46:18,176 INFO L138 BoogieDeclarations]: Found implementation of procedure outw [2021-11-23 03:46:18,177 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2021-11-23 03:46:18,178 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2021-11-23 03:46:18,178 INFO L130 BoogieDeclarations]: Found specification of procedure misc_deregister [2021-11-23 03:46:18,178 INFO L138 BoogieDeclarations]: Found implementation of procedure misc_deregister [2021-11-23 03:46:18,179 INFO L130 BoogieDeclarations]: Found specification of procedure assert_context_process [2021-11-23 03:46:18,179 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_context_process [2021-11-23 03:46:18,179 INFO L130 BoogieDeclarations]: Found specification of procedure zf_set_control [2021-11-23 03:46:18,179 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_set_control [2021-11-23 03:46:18,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 03:46:18,180 INFO L130 BoogieDeclarations]: Found specification of procedure zf_readw [2021-11-23 03:46:18,180 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_readw [2021-11-23 03:46:18,180 INFO L130 BoogieDeclarations]: Found specification of procedure zf_ping [2021-11-23 03:46:18,180 INFO L138 BoogieDeclarations]: Found implementation of procedure zf_ping [2021-11-23 03:46:18,181 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~TO~int [2021-11-23 03:46:18,181 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~TO~int [2021-11-23 03:46:18,181 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-11-23 03:46:18,181 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-11-23 03:46:18,181 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-11-23 03:46:18,182 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-11-23 03:46:18,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 03:46:18,689 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 03:46:18,692 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 03:46:21,600 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 03:46:21,994 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 03:46:21,994 INFO L301 CfgBuilder]: Removed 4 assume(true) statements. [2021-11-23 03:46:21,999 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:46:21 BoogieIcfgContainer [2021-11-23 03:46:22,000 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 03:46:22,005 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-23 03:46:22,005 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-23 03:46:22,010 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-23 03:46:22,011 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 03:46:14" (1/3) ... [2021-11-23 03:46:22,012 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f5a4ff8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:46:22, skipping insertion in model container [2021-11-23 03:46:22,013 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:46:17" (2/3) ... [2021-11-23 03:46:22,013 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f5a4ff8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:46:22, skipping insertion in model container [2021-11-23 03:46:22,014 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:46:21" (3/3) ... [2021-11-23 03:46:22,017 INFO L111 eAbstractionObserver]: Analyzing ICFG ddv_machzwd_inl_p.i [2021-11-23 03:46:22,026 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-23 03:46:22,027 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2021-11-23 03:46:22,030 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f5a4ff8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 03:46:22, skipping insertion in model container [2021-11-23 03:46:22,030 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-23 03:46:22,031 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-23 03:46:22,032 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-23 03:46:22,032 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-23 03:46:22,033 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:46:21" (3/3) ... [2021-11-23 03:46:22,039 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-23 03:46:22,052 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure spin_lock_init [2021-11-23 03:46:22,052 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure printk [2021-11-23 03:46:22,053 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure misc_deregister [2021-11-23 03:46:22,053 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure zf_ping [2021-11-23 03:46:22,053 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure assert_context_process [2021-11-23 03:46:22,053 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure zf_readw [2021-11-23 03:46:22,053 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~$Pointer$~TO~VOID [2021-11-23 03:46:22,053 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure zf_timer_off [2021-11-23 03:46:22,054 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure spin_lock [2021-11-23 03:46:22,054 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-11-23 03:46:22,054 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~int~TO~VOID [2021-11-23 03:46:22,054 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure outw [2021-11-23 03:46:22,055 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure outb [2021-11-23 03:46:22,056 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure add_timer [2021-11-23 03:46:22,059 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure spin_unlock [2021-11-23 03:46:22,059 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2021-11-23 03:46:22,060 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure release_region [2021-11-23 03:46:22,060 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_atomic_begin [2021-11-23 03:46:22,060 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure spin_unlock_irqrestore [2021-11-23 03:46:22,061 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_atomic_end [2021-11-23 03:46:22,061 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure del_timer [2021-11-23 03:46:22,062 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure spin_lock_irqsave [2021-11-23 03:46:22,062 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure zf_get_control [2021-11-23 03:46:22,068 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure request_region [2021-11-23 03:46:22,069 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~TO~int [2021-11-23 03:46:22,069 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cdev_add [2021-11-23 03:46:22,069 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2021-11-23 03:46:22,069 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure zf_set_control [2021-11-23 03:46:22,098 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 209 nodes and edges [2021-11-23 03:46:22,101 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 69 nodes and edges [2021-11-23 03:46:22,105 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 23 nodes and edges [2021-11-23 03:46:22,108 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2021-11-23 03:46:22,111 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-11-23 03:46:22,114 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-23 03:46:22,396 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e4987e9-3788-4388-a79b-aab381779792/bin/utaipan-EQgc7hIp5V/witness.graphml [2021-11-23 03:46:22,396 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-23 03:46:22,399 INFO L158 Benchmark]: Toolchain (without parser) took 7524.60ms. Allocated memory was 111.1MB in the beginning and 205.5MB in the end (delta: 94.4MB). Free memory was 65.8MB in the beginning and 127.1MB in the end (delta: -61.2MB). Peak memory consumption was 33.9MB. Max. memory is 16.1GB. [2021-11-23 03:46:22,399 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 111.1MB. Free memory is still 86.7MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 03:46:22,400 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2756.67ms. Allocated memory was 111.1MB in the beginning and 140.5MB in the end (delta: 29.4MB). Free memory was 65.6MB in the beginning and 61.4MB in the end (delta: 4.2MB). Peak memory consumption was 38.9MB. Max. memory is 16.1GB. [2021-11-23 03:46:22,401 INFO L158 Benchmark]: Boogie Procedure Inliner took 210.71ms. Allocated memory is still 140.5MB. Free memory was 61.4MB in the beginning and 100.5MB in the end (delta: -39.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-11-23 03:46:22,401 INFO L158 Benchmark]: Boogie Preprocessor took 188.19ms. Allocated memory is still 140.5MB. Free memory was 100.5MB in the beginning and 93.7MB in the end (delta: 6.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-23 03:46:22,402 INFO L158 Benchmark]: RCFGBuilder took 3961.93ms. Allocated memory was 140.5MB in the beginning and 205.5MB in the end (delta: 65.0MB). Free memory was 93.7MB in the beginning and 154.3MB in the end (delta: -60.6MB). Peak memory consumption was 119.2MB. Max. memory is 16.1GB. [2021-11-23 03:46:22,403 INFO L158 Benchmark]: TraceAbstraction took 25.77ms. Allocated memory is still 205.5MB. Free memory was 153.3MB in the beginning and 152.2MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 03:46:22,403 INFO L158 Benchmark]: Witness Printer took 365.05ms. Allocated memory is still 205.5MB. Free memory was 152.2MB in the beginning and 127.1MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2021-11-23 03:46:22,406 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 111.1MB. Free memory is still 86.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2756.67ms. Allocated memory was 111.1MB in the beginning and 140.5MB in the end (delta: 29.4MB). Free memory was 65.6MB in the beginning and 61.4MB in the end (delta: 4.2MB). Peak memory consumption was 38.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 210.71ms. Allocated memory is still 140.5MB. Free memory was 61.4MB in the beginning and 100.5MB in the end (delta: -39.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 188.19ms. Allocated memory is still 140.5MB. Free memory was 100.5MB in the beginning and 93.7MB in the end (delta: 6.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 3961.93ms. Allocated memory was 140.5MB in the beginning and 205.5MB in the end (delta: 65.0MB). Free memory was 93.7MB in the beginning and 154.3MB in the end (delta: -60.6MB). Peak memory consumption was 119.2MB. Max. memory is 16.1GB. * TraceAbstraction took 25.77ms. Allocated memory is still 205.5MB. Free memory was 153.3MB in the beginning and 152.2MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Witness Printer took 365.05ms. Allocated memory is still 205.5MB. Free memory was 152.2MB in the beginning and 127.1MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - AllSpecificationsHoldResult: All specifications hold We were not able to verify any specifiation because the program does not contain any specification. RESULT: Ultimate proved your program to be correct! [2021-11-23 03:46:22,468 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e4987e9-3788-4388-a79b-aab381779792/bin/utaipan-EQgc7hIp5V/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE