./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/floats-cbmc-regression/float12.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6a47aea7 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_471cdcd7-e4e2-40e0-b44e-28f12eaa7c70/bin/utaipan-fb15Y9Yzbl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_471cdcd7-e4e2-40e0-b44e-28f12eaa7c70/bin/utaipan-fb15Y9Yzbl/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_471cdcd7-e4e2-40e0-b44e-28f12eaa7c70/bin/utaipan-fb15Y9Yzbl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_471cdcd7-e4e2-40e0-b44e-28f12eaa7c70/bin/utaipan-fb15Y9Yzbl/config/TaipanReach.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float12.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_471cdcd7-e4e2-40e0-b44e-28f12eaa7c70/bin/utaipan-fb15Y9Yzbl/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_471cdcd7-e4e2-40e0-b44e-28f12eaa7c70/bin/utaipan-fb15Y9Yzbl --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 b8cf5878e44758bfdbe03c47ec0115857e08941dc4678f844d9c655b0bc177ba --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 17:34:03,120 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 17:34:03,122 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 17:34:03,180 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 17:34:03,181 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 17:34:03,186 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 17:34:03,189 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 17:34:03,194 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 17:34:03,198 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 17:34:03,206 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 17:34:03,207 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 17:34:03,209 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 17:34:03,209 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 17:34:03,211 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 17:34:03,213 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 17:34:03,215 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 17:34:03,216 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 17:34:03,218 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 17:34:03,220 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 17:34:03,224 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 17:34:03,226 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 17:34:03,228 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 17:34:03,230 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 17:34:03,231 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 17:34:03,236 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 17:34:03,237 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 17:34:03,237 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 17:34:03,239 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 17:34:03,239 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 17:34:03,241 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 17:34:03,241 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 17:34:03,243 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 17:34:03,244 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 17:34:03,245 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 17:34:03,247 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 17:34:03,247 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 17:34:03,249 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 17:34:03,249 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 17:34:03,250 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 17:34:03,251 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 17:34:03,252 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 17:34:03,253 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_471cdcd7-e4e2-40e0-b44e-28f12eaa7c70/bin/utaipan-fb15Y9Yzbl/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-23 17:34:03,282 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 17:34:03,283 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 17:34:03,283 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 17:34:03,284 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 17:34:03,285 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 17:34:03,285 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 17:34:03,285 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 17:34:03,286 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 17:34:03,286 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 17:34:03,287 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-23 17:34:03,287 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 17:34:03,287 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 17:34:03,288 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-23 17:34:03,288 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-23 17:34:03,288 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 17:34:03,289 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-23 17:34:03,289 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-23 17:34:03,289 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-23 17:34:03,290 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 17:34:03,291 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 17:34:03,291 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 17:34:03,291 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 17:34:03,292 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 17:34:03,292 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 17:34:03,292 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 17:34:03,293 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 17:34:03,293 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 17:34:03,294 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 17:34:03,294 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 17:34:03,294 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 17:34:03,295 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 17:34:03,295 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 17:34:03,295 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:34:03,296 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 17:34:03,296 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 17:34:03,297 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 17:34:03,297 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-23 17:34:03,297 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 17:34:03,298 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 17:34:03,298 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 17:34:03,298 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 17:34:03,299 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_471cdcd7-e4e2-40e0-b44e-28f12eaa7c70/bin/utaipan-fb15Y9Yzbl/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_471cdcd7-e4e2-40e0-b44e-28f12eaa7c70/bin/utaipan-fb15Y9Yzbl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b8cf5878e44758bfdbe03c47ec0115857e08941dc4678f844d9c655b0bc177ba [2021-11-23 17:34:03,601 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 17:34:03,644 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 17:34:03,647 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 17:34:03,649 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 17:34:03,650 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 17:34:03,652 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_471cdcd7-e4e2-40e0-b44e-28f12eaa7c70/bin/utaipan-fb15Y9Yzbl/../../sv-benchmarks/c/floats-cbmc-regression/float12.c [2021-11-23 17:34:03,733 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_471cdcd7-e4e2-40e0-b44e-28f12eaa7c70/bin/utaipan-fb15Y9Yzbl/data/ea678186e/af9f6901eb8546f9b980aa70bbc70625/FLAGca9b33715 [2021-11-23 17:34:04,262 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 17:34:04,263 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_471cdcd7-e4e2-40e0-b44e-28f12eaa7c70/sv-benchmarks/c/floats-cbmc-regression/float12.c [2021-11-23 17:34:04,269 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_471cdcd7-e4e2-40e0-b44e-28f12eaa7c70/bin/utaipan-fb15Y9Yzbl/data/ea678186e/af9f6901eb8546f9b980aa70bbc70625/FLAGca9b33715 [2021-11-23 17:34:04,627 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_471cdcd7-e4e2-40e0-b44e-28f12eaa7c70/bin/utaipan-fb15Y9Yzbl/data/ea678186e/af9f6901eb8546f9b980aa70bbc70625 [2021-11-23 17:34:04,633 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 17:34:04,635 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 17:34:04,639 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 17:34:04,639 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 17:34:04,643 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 17:34:04,644 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:34:04" (1/1) ... [2021-11-23 17:34:04,648 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@148bffe6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:34:04, skipping insertion in model container [2021-11-23 17:34:04,648 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:34:04" (1/1) ... [2021-11-23 17:34:04,657 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 17:34:04,672 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 17:34:04,881 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_471cdcd7-e4e2-40e0-b44e-28f12eaa7c70/sv-benchmarks/c/floats-cbmc-regression/float12.c[500,513] [2021-11-23 17:34:04,886 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:34:04,897 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 17:34:04,918 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_471cdcd7-e4e2-40e0-b44e-28f12eaa7c70/sv-benchmarks/c/floats-cbmc-regression/float12.c[500,513] [2021-11-23 17:34:04,918 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:34:04,934 INFO L208 MainTranslator]: Completed translation [2021-11-23 17:34:04,934 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:34:04 WrapperNode [2021-11-23 17:34:04,934 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 17:34:04,935 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 17:34:04,936 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 17:34:04,936 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 17:34:04,946 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:34:04" (1/1) ... [2021-11-23 17:34:04,954 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:34:04" (1/1) ... [2021-11-23 17:34:04,987 INFO L137 Inliner]: procedures = 13, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 20 [2021-11-23 17:34:04,988 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 17:34:04,989 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 17:34:04,989 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 17:34:04,990 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 17:34:04,999 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:34:04" (1/1) ... [2021-11-23 17:34:04,999 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:34:04" (1/1) ... [2021-11-23 17:34:05,002 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:34:04" (1/1) ... [2021-11-23 17:34:05,002 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:34:04" (1/1) ... [2021-11-23 17:34:05,007 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:34:04" (1/1) ... [2021-11-23 17:34:05,010 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:34:04" (1/1) ... [2021-11-23 17:34:05,014 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:34:04" (1/1) ... [2021-11-23 17:34:05,015 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 17:34:05,016 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 17:34:05,017 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 17:34:05,017 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 17:34:05,018 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:34:04" (1/1) ... [2021-11-23 17:34:05,026 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:34:05,038 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_471cdcd7-e4e2-40e0-b44e-28f12eaa7c70/bin/utaipan-fb15Y9Yzbl/z3 [2021-11-23 17:34:05,051 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_471cdcd7-e4e2-40e0-b44e-28f12eaa7c70/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 17:34:05,053 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_471cdcd7-e4e2-40e0-b44e-28f12eaa7c70/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 17:34:05,089 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 17:34:05,090 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 17:34:05,090 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 17:34:05,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 17:34:05,163 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 17:34:05,165 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 17:34:05,261 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 17:34:05,272 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 17:34:05,272 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-23 17:34:05,275 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 05:34:05 BoogieIcfgContainer [2021-11-23 17:34:05,275 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 17:34:05,277 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-23 17:34:05,277 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-23 17:34:05,281 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-23 17:34:05,281 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 05:34:04" (1/3) ... [2021-11-23 17:34:05,282 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18f98266 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 05:34:05, skipping insertion in model container [2021-11-23 17:34:05,282 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:34:04" (2/3) ... [2021-11-23 17:34:05,283 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18f98266 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 05:34:05, skipping insertion in model container [2021-11-23 17:34:05,284 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 05:34:05" (3/3) ... [2021-11-23 17:34:05,285 INFO L111 eAbstractionObserver]: Analyzing ICFG float12.c [2021-11-23 17:34:05,291 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-23 17:34:05,292 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-23 17:34:05,342 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-23 17:34:05,351 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-23 17:34:05,351 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-23 17:34:05,367 INFO L276 IsEmpty]: Start isEmpty. Operand has 7 states, 5 states have (on average 1.6) internal successors, (8), 6 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 17:34:05,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-23 17:34:05,374 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 17:34:05,375 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2021-11-23 17:34:05,376 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 17:34:05,383 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 17:34:05,383 INFO L85 PathProgramCache]: Analyzing trace with hash 1494612, now seen corresponding path program 1 times [2021-11-23 17:34:05,395 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-23 17:34:05,396 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1457409958] [2021-11-23 17:34:05,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 17:34:05,397 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 17:34:05,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 17:34:05,489 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 17:34:05,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 17:34:05,523 INFO L133 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2021-11-23 17:34:05,526 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-11-23 17:34:05,527 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-11-23 17:34:05,530 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-23 17:34:05,536 INFO L732 BasicCegarLoop]: Path program histogram: [1] [2021-11-23 17:34:05,540 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-23 17:34:05,562 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 05:34:05 BoogieIcfgContainer [2021-11-23 17:34:05,562 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-23 17:34:05,563 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-23 17:34:05,563 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-23 17:34:05,564 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-23 17:34:05,564 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 05:34:05" (3/4) ... [2021-11-23 17:34:05,568 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-23 17:34:05,569 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-23 17:34:05,570 INFO L158 Benchmark]: Toolchain (without parser) took 934.56ms. Allocated memory is still 104.9MB. Free memory was 62.9MB in the beginning and 57.1MB in the end (delta: 5.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-23 17:34:05,571 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 104.9MB. Free memory is still 79.5MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 17:34:05,572 INFO L158 Benchmark]: CACSL2BoogieTranslator took 295.43ms. Allocated memory is still 104.9MB. Free memory was 62.7MB in the beginning and 81.0MB in the end (delta: -18.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-23 17:34:05,572 INFO L158 Benchmark]: Boogie Procedure Inliner took 52.82ms. Allocated memory is still 104.9MB. Free memory was 81.0MB in the beginning and 79.6MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 17:34:05,573 INFO L158 Benchmark]: Boogie Preprocessor took 26.42ms. Allocated memory is still 104.9MB. Free memory was 79.6MB in the beginning and 78.5MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 17:34:05,574 INFO L158 Benchmark]: RCFGBuilder took 258.57ms. Allocated memory is still 104.9MB. Free memory was 78.5MB in the beginning and 70.1MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 17:34:05,575 INFO L158 Benchmark]: TraceAbstraction took 285.46ms. Allocated memory is still 104.9MB. Free memory was 69.7MB in the beginning and 57.5MB in the end (delta: 12.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-23 17:34:05,576 INFO L158 Benchmark]: Witness Printer took 5.54ms. Allocated memory is still 104.9MB. Free memory was 57.5MB in the beginning and 57.1MB in the end (delta: 430.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 17:34:05,580 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 104.9MB. Free memory is still 79.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 295.43ms. Allocated memory is still 104.9MB. Free memory was 62.7MB in the beginning and 81.0MB in the end (delta: -18.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 52.82ms. Allocated memory is still 104.9MB. Free memory was 81.0MB in the beginning and 79.6MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 26.42ms. Allocated memory is still 104.9MB. Free memory was 79.6MB in the beginning and 78.5MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 258.57ms. Allocated memory is still 104.9MB. Free memory was 78.5MB in the beginning and 70.1MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 285.46ms. Allocated memory is still 104.9MB. Free memory was 69.7MB in the beginning and 57.5MB in the end (delta: 12.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Witness Printer took 5.54ms. Allocated memory is still 104.9MB. Free memory was 57.5MB in the beginning and 57.1MB in the end (delta: 430.0kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 15]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 14, overapproximation of someBinaryDOUBLEComparisonOperation at line 15. Possible FailurePath: [L8] float f = __VERIFIER_nondet_float(); [L9] double d; [L10] unsigned char x = __VERIFIER_nondet_uchar(); [L12] d=f VAL [d=49, f=49] [L14] COND TRUE f==x VAL [d=49, f=49] [L15] COND TRUE !(d==x) VAL [d=49, f=49] [L15] reach_error() VAL [d=49, f=49] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 7 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.2s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=7occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2021-11-23 17:34:05,658 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_471cdcd7-e4e2-40e0-b44e-28f12eaa7c70/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 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_471cdcd7-e4e2-40e0-b44e-28f12eaa7c70/bin/utaipan-fb15Y9Yzbl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_471cdcd7-e4e2-40e0-b44e-28f12eaa7c70/bin/utaipan-fb15Y9Yzbl/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_471cdcd7-e4e2-40e0-b44e-28f12eaa7c70/bin/utaipan-fb15Y9Yzbl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_471cdcd7-e4e2-40e0-b44e-28f12eaa7c70/bin/utaipan-fb15Y9Yzbl/config/TaipanReach.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float12.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_471cdcd7-e4e2-40e0-b44e-28f12eaa7c70/bin/utaipan-fb15Y9Yzbl/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_471cdcd7-e4e2-40e0-b44e-28f12eaa7c70/bin/utaipan-fb15Y9Yzbl --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 b8cf5878e44758bfdbe03c47ec0115857e08941dc4678f844d9c655b0bc177ba --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 17:34:08,575 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 17:34:08,578 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 17:34:08,617 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 17:34:08,618 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 17:34:08,620 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 17:34:08,622 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 17:34:08,625 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 17:34:08,628 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 17:34:08,629 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 17:34:08,630 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 17:34:08,632 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 17:34:08,633 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 17:34:08,634 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 17:34:08,636 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 17:34:08,638 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 17:34:08,640 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 17:34:08,641 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 17:34:08,644 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 17:34:08,647 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 17:34:08,649 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 17:34:08,651 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 17:34:08,653 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 17:34:08,655 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 17:34:08,659 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 17:34:08,660 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 17:34:08,660 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 17:34:08,662 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 17:34:08,662 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 17:34:08,664 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 17:34:08,665 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 17:34:08,666 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 17:34:08,667 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 17:34:08,668 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 17:34:08,675 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 17:34:08,676 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 17:34:08,677 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 17:34:08,678 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 17:34:08,678 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 17:34:08,680 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 17:34:08,681 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 17:34:08,686 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_471cdcd7-e4e2-40e0-b44e-28f12eaa7c70/bin/utaipan-fb15Y9Yzbl/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-11-23 17:34:08,745 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 17:34:08,745 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 17:34:08,746 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 17:34:08,746 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 17:34:08,748 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 17:34:08,748 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-23 17:34:08,748 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-23 17:34:08,749 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-23 17:34:08,749 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-23 17:34:08,749 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-23 17:34:08,750 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-23 17:34:08,751 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-23 17:34:08,753 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 17:34:08,753 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 17:34:08,754 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 17:34:08,754 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 17:34:08,754 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 17:34:08,754 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 17:34:08,755 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 17:34:08,755 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 17:34:08,755 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 17:34:08,756 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 17:34:08,756 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 17:34:08,756 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 17:34:08,756 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 17:34:08,757 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 17:34:08,757 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 17:34:08,757 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-23 17:34:08,758 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-23 17:34:08,758 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:34:08,758 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 17:34:08,759 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 17:34:08,759 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 17:34:08,759 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 17:34:08,760 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 17:34:08,760 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 17:34:08,760 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 17:34:08,761 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 17:34:08,761 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_471cdcd7-e4e2-40e0-b44e-28f12eaa7c70/bin/utaipan-fb15Y9Yzbl/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_471cdcd7-e4e2-40e0-b44e-28f12eaa7c70/bin/utaipan-fb15Y9Yzbl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b8cf5878e44758bfdbe03c47ec0115857e08941dc4678f844d9c655b0bc177ba [2021-11-23 17:34:09,295 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 17:34:09,335 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 17:34:09,343 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 17:34:09,345 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 17:34:09,346 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 17:34:09,349 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_471cdcd7-e4e2-40e0-b44e-28f12eaa7c70/bin/utaipan-fb15Y9Yzbl/../../sv-benchmarks/c/floats-cbmc-regression/float12.c [2021-11-23 17:34:09,441 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_471cdcd7-e4e2-40e0-b44e-28f12eaa7c70/bin/utaipan-fb15Y9Yzbl/data/ea6ff92d6/5ad461e178c04eba92cff74c48e4ceee/FLAGdbff6ba2a [2021-11-23 17:34:10,067 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 17:34:10,068 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_471cdcd7-e4e2-40e0-b44e-28f12eaa7c70/sv-benchmarks/c/floats-cbmc-regression/float12.c [2021-11-23 17:34:10,075 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_471cdcd7-e4e2-40e0-b44e-28f12eaa7c70/bin/utaipan-fb15Y9Yzbl/data/ea6ff92d6/5ad461e178c04eba92cff74c48e4ceee/FLAGdbff6ba2a [2021-11-23 17:34:10,449 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_471cdcd7-e4e2-40e0-b44e-28f12eaa7c70/bin/utaipan-fb15Y9Yzbl/data/ea6ff92d6/5ad461e178c04eba92cff74c48e4ceee [2021-11-23 17:34:10,452 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 17:34:10,454 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 17:34:10,455 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 17:34:10,456 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 17:34:10,460 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 17:34:10,462 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:34:10" (1/1) ... [2021-11-23 17:34:10,463 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@497e6154 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:34:10, skipping insertion in model container [2021-11-23 17:34:10,464 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:34:10" (1/1) ... [2021-11-23 17:34:10,473 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 17:34:10,487 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 17:34:10,676 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_471cdcd7-e4e2-40e0-b44e-28f12eaa7c70/sv-benchmarks/c/floats-cbmc-regression/float12.c[500,513] [2021-11-23 17:34:10,684 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:34:10,717 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 17:34:10,789 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_471cdcd7-e4e2-40e0-b44e-28f12eaa7c70/sv-benchmarks/c/floats-cbmc-regression/float12.c[500,513] [2021-11-23 17:34:10,791 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 17:34:10,828 INFO L208 MainTranslator]: Completed translation [2021-11-23 17:34:10,829 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:34:10 WrapperNode [2021-11-23 17:34:10,829 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 17:34:10,831 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 17:34:10,831 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 17:34:10,831 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 17:34:10,840 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:34:10" (1/1) ... [2021-11-23 17:34:10,853 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:34:10" (1/1) ... [2021-11-23 17:34:10,873 INFO L137 Inliner]: procedures = 14, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 21 [2021-11-23 17:34:10,874 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 17:34:10,875 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 17:34:10,876 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 17:34:10,876 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 17:34:10,885 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:34:10" (1/1) ... [2021-11-23 17:34:10,886 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:34:10" (1/1) ... [2021-11-23 17:34:10,901 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:34:10" (1/1) ... [2021-11-23 17:34:10,902 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:34:10" (1/1) ... [2021-11-23 17:34:10,917 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:34:10" (1/1) ... [2021-11-23 17:34:10,920 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:34:10" (1/1) ... [2021-11-23 17:34:10,923 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:34:10" (1/1) ... [2021-11-23 17:34:10,932 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 17:34:10,933 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 17:34:10,933 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 17:34:10,933 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 17:34:10,934 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:34:10" (1/1) ... [2021-11-23 17:34:10,943 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-23 17:34:10,957 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_471cdcd7-e4e2-40e0-b44e-28f12eaa7c70/bin/utaipan-fb15Y9Yzbl/z3 [2021-11-23 17:34:10,970 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_471cdcd7-e4e2-40e0-b44e-28f12eaa7c70/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-23 17:34:10,988 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_471cdcd7-e4e2-40e0-b44e-28f12eaa7c70/bin/utaipan-fb15Y9Yzbl/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-23 17:34:11,033 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 17:34:11,034 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 17:34:11,034 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 17:34:11,034 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 17:34:11,114 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 17:34:11,116 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 17:34:11,385 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 17:34:11,392 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 17:34:11,392 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-23 17:34:11,394 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 05:34:11 BoogieIcfgContainer [2021-11-23 17:34:11,395 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 17:34:11,397 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-23 17:34:11,397 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-23 17:34:11,401 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-23 17:34:11,401 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 05:34:10" (1/3) ... [2021-11-23 17:34:11,402 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55bdca6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 05:34:11, skipping insertion in model container [2021-11-23 17:34:11,402 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:34:10" (2/3) ... [2021-11-23 17:34:11,403 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55bdca6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 05:34:11, skipping insertion in model container [2021-11-23 17:34:11,403 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 05:34:11" (3/3) ... [2021-11-23 17:34:11,405 INFO L111 eAbstractionObserver]: Analyzing ICFG float12.c [2021-11-23 17:34:11,411 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-23 17:34:11,411 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-23 17:34:11,483 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-23 17:34:11,492 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-23 17:34:11,492 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-23 17:34:11,509 INFO L276 IsEmpty]: Start isEmpty. Operand has 9 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 8 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 17:34:11,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-11-23 17:34:11,536 INFO L506 BasicCegarLoop]: Found error trace [2021-11-23 17:34:11,536 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2021-11-23 17:34:11,537 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-23 17:34:11,544 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 17:34:11,544 INFO L85 PathProgramCache]: Analyzing trace with hash 28693795, now seen corresponding path program 1 times [2021-11-23 17:34:11,559 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-23 17:34:11,559 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1251007286] [2021-11-23 17:34:11,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 17:34:11,561 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-23 17:34:11,561 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_471cdcd7-e4e2-40e0-b44e-28f12eaa7c70/bin/utaipan-fb15Y9Yzbl/mathsat [2021-11-23 17:34:11,565 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_471cdcd7-e4e2-40e0-b44e-28f12eaa7c70/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-23 17:34:11,613 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_471cdcd7-e4e2-40e0-b44e-28f12eaa7c70/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-23 17:34:11,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 17:34:11,734 INFO L263 TraceCheckSpWp]: Trace formula consists of 19 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-23 17:34:11,739 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 17:34:14,064 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 17:34:14,064 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-23 17:34:14,065 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-23 17:34:14,065 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1251007286] [2021-11-23 17:34:14,067 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1251007286] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-23 17:34:14,067 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-23 17:34:14,067 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-23 17:34:14,070 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [712410504] [2021-11-23 17:34:14,071 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-23 17:34:14,077 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-23 17:34:14,077 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-23 17:34:14,112 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-23 17:34:14,113 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-23 17:34:14,116 INFO L87 Difference]: Start difference. First operand has 9 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 8 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 17:34:16,601 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-23 17:34:16,601 INFO L93 Difference]: Finished difference Result 15 states and 14 transitions. [2021-11-23 17:34:16,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-23 17:34:16,609 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2021-11-23 17:34:16,610 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-23 17:34:16,617 INFO L225 Difference]: With dead ends: 15 [2021-11-23 17:34:16,618 INFO L226 Difference]: Without dead ends: 0 [2021-11-23 17:34:16,621 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-23 17:34:16,626 INFO L933 BasicCegarLoop]: 4 mSDtfsCounter, 4 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 8 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 4 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-11-23 17:34:16,628 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4 Valid, 8 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 4 Unchecked, 0.3s Time] [2021-11-23 17:34:16,651 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-23 17:34:16,657 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-23 17:34:16,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 17:34:16,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-23 17:34:16,661 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 5 [2021-11-23 17:34:16,662 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-23 17:34:16,662 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-23 17:34:16,662 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 17:34:16,663 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-23 17:34:16,663 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-23 17:34:16,666 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-11-23 17:34:16,685 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_471cdcd7-e4e2-40e0-b44e-28f12eaa7c70/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-23 17:34:16,881 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_471cdcd7-e4e2-40e0-b44e-28f12eaa7c70/bin/utaipan-fb15Y9Yzbl/mathsat -unsat_core_generation=3 [2021-11-23 17:34:16,884 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-11-23 17:34:16,886 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-11-23 17:34:16,887 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-11-23 17:34:16,887 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-11-23 17:34:16,887 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-11-23 17:34:16,887 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 15) no Hoare annotation was computed. [2021-11-23 17:34:16,888 INFO L858 garLoopResultBuilder]: For program point L15(line 15) no Hoare annotation was computed. [2021-11-23 17:34:16,888 INFO L858 garLoopResultBuilder]: For program point L14(lines 14 15) no Hoare annotation was computed. [2021-11-23 17:34:16,888 INFO L858 garLoopResultBuilder]: For program point L15-1(line 15) no Hoare annotation was computed. [2021-11-23 17:34:16,888 INFO L858 garLoopResultBuilder]: For program point L6(lines 6 16) no Hoare annotation was computed. [2021-11-23 17:34:16,893 INFO L732 BasicCegarLoop]: Path program histogram: [1] [2021-11-23 17:34:16,895 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-23 17:34:16,901 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 05:34:16 BoogieIcfgContainer [2021-11-23 17:34:16,901 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-23 17:34:16,903 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-23 17:34:16,903 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-23 17:34:16,903 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-23 17:34:16,904 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 05:34:11" (3/4) ... [2021-11-23 17:34:16,908 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-23 17:34:16,920 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-11-23 17:34:16,921 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-11-23 17:34:16,921 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-11-23 17:34:16,921 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-23 17:34:16,961 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_471cdcd7-e4e2-40e0-b44e-28f12eaa7c70/bin/utaipan-fb15Y9Yzbl/witness.graphml [2021-11-23 17:34:16,961 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-23 17:34:16,962 INFO L158 Benchmark]: Toolchain (without parser) took 6508.37ms. Allocated memory was 60.8MB in the beginning and 83.9MB in the end (delta: 23.1MB). Free memory was 40.6MB in the beginning and 47.8MB in the end (delta: -7.2MB). Peak memory consumption was 17.1MB. Max. memory is 16.1GB. [2021-11-23 17:34:16,963 INFO L158 Benchmark]: CDTParser took 0.42ms. Allocated memory is still 60.8MB. Free memory was 41.7MB in the beginning and 41.6MB in the end (delta: 84.1kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 17:34:16,963 INFO L158 Benchmark]: CACSL2BoogieTranslator took 374.51ms. Allocated memory is still 60.8MB. Free memory was 40.4MB in the beginning and 43.6MB in the end (delta: -3.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-23 17:34:16,964 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.02ms. Allocated memory is still 60.8MB. Free memory was 43.4MB in the beginning and 42.1MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 17:34:16,965 INFO L158 Benchmark]: Boogie Preprocessor took 57.26ms. Allocated memory is still 60.8MB. Free memory was 42.1MB in the beginning and 41.1MB in the end (delta: 930.3kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 17:34:16,965 INFO L158 Benchmark]: RCFGBuilder took 461.93ms. Allocated memory is still 60.8MB. Free memory was 40.9MB in the beginning and 33.2MB in the end (delta: 7.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 17:34:16,966 INFO L158 Benchmark]: TraceAbstraction took 5504.96ms. Allocated memory was 60.8MB in the beginning and 83.9MB in the end (delta: 23.1MB). Free memory was 32.8MB in the beginning and 49.9MB in the end (delta: -17.1MB). Peak memory consumption was 7.9MB. Max. memory is 16.1GB. [2021-11-23 17:34:16,967 INFO L158 Benchmark]: Witness Printer took 58.65ms. Allocated memory is still 83.9MB. Free memory was 49.9MB in the beginning and 47.8MB in the end (delta: 2.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 17:34:16,970 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.42ms. Allocated memory is still 60.8MB. Free memory was 41.7MB in the beginning and 41.6MB in the end (delta: 84.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 374.51ms. Allocated memory is still 60.8MB. Free memory was 40.4MB in the beginning and 43.6MB in the end (delta: -3.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 43.02ms. Allocated memory is still 60.8MB. Free memory was 43.4MB in the beginning and 42.1MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 57.26ms. Allocated memory is still 60.8MB. Free memory was 42.1MB in the beginning and 41.1MB in the end (delta: 930.3kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 461.93ms. Allocated memory is still 60.8MB. Free memory was 40.9MB in the beginning and 33.2MB in the end (delta: 7.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 5504.96ms. Allocated memory was 60.8MB in the beginning and 83.9MB in the end (delta: 23.1MB). Free memory was 32.8MB in the beginning and 49.9MB in the end (delta: -17.1MB). Peak memory consumption was 7.9MB. Max. memory is 16.1GB. * Witness Printer took 58.65ms. Allocated memory is still 83.9MB. Free memory was 49.9MB in the beginning and 47.8MB in the end (delta: 2.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 15]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 9 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 5.4s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4 mSDsluCounter, 8 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 4 IncrementalHoareTripleChecker+Unchecked, 4 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3 IncrementalHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 4 mSDtfsCounter, 3 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=9occurred in iteration=0, InterpolantAutomatonStates: 4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 0 LocationsWithAnnotation, 0 PreInvPairs, 0 NumberOfFragments, 0 HoareAnnotationTreeSize, 0 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 0 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 2.3s InterpolantComputationTime, 5 NumberOfCodeBlocks, 5 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 4 ConstructedInterpolants, 1 QuantifiedInterpolants, 19 SizeOfPredicates, 4 NumberOfNonLiveVariables, 19 ConjunctsInSsa, 3 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2021-11-23 17:34:17,059 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_471cdcd7-e4e2-40e0-b44e-28f12eaa7c70/bin/utaipan-fb15Y9Yzbl/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