./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_0620a.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 7b2dab56 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f5a45ab-6f1d-4921-89fe-851f68b52296/bin/utaipan-WLngWcDbfI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f5a45ab-6f1d-4921-89fe-851f68b52296/bin/utaipan-WLngWcDbfI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f5a45ab-6f1d-4921-89fe-851f68b52296/bin/utaipan-WLngWcDbfI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f5a45ab-6f1d-4921-89fe-851f68b52296/bin/utaipan-WLngWcDbfI/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0620a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f5a45ab-6f1d-4921-89fe-851f68b52296/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f5a45ab-6f1d-4921-89fe-851f68b52296/bin/utaipan-WLngWcDbfI --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 966074c4bc45853152b23ed1081806a59c179b92 ......................................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f5a45ab-6f1d-4921-89fe-851f68b52296/bin/utaipan-WLngWcDbfI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f5a45ab-6f1d-4921-89fe-851f68b52296/bin/utaipan-WLngWcDbfI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f5a45ab-6f1d-4921-89fe-851f68b52296/bin/utaipan-WLngWcDbfI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f5a45ab-6f1d-4921-89fe-851f68b52296/bin/utaipan-WLngWcDbfI/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0620a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f5a45ab-6f1d-4921-89fe-851f68b52296/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f5a45ab-6f1d-4921-89fe-851f68b52296/bin/utaipan-WLngWcDbfI --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 966074c4bc45853152b23ed1081806a59c179b92 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-7b2dab5 [2021-10-11 02:22:04,379 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 02:22:04,381 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 02:22:04,412 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 02:22:04,413 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 02:22:04,414 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 02:22:04,416 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 02:22:04,418 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 02:22:04,421 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 02:22:04,422 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 02:22:04,423 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 02:22:04,425 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 02:22:04,425 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 02:22:04,427 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 02:22:04,428 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 02:22:04,429 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 02:22:04,431 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 02:22:04,432 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 02:22:04,434 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 02:22:04,436 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 02:22:04,438 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 02:22:04,440 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 02:22:04,441 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 02:22:04,442 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 02:22:04,446 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 02:22:04,446 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 02:22:04,447 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 02:22:04,448 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 02:22:04,449 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 02:22:04,450 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 02:22:04,450 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 02:22:04,451 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 02:22:04,452 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 02:22:04,453 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 02:22:04,455 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 02:22:04,455 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 02:22:04,456 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 02:22:04,457 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 02:22:04,457 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 02:22:04,458 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 02:22:04,459 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 02:22:04,460 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f5a45ab-6f1d-4921-89fe-851f68b52296/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-11 02:22:04,484 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 02:22:04,485 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 02:22:04,486 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-11 02:22:04,486 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-11 02:22:04,486 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-11 02:22:04,487 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-11 02:22:04,487 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-11 02:22:04,487 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-11 02:22:04,487 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-11 02:22:04,488 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-11 02:22:04,488 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-11 02:22:04,488 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-11 02:22:04,489 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-11 02:22:04,489 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-11 02:22:04,489 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-11 02:22:04,490 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 02:22:04,491 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 02:22:04,491 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 02:22:04,491 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 02:22:04,491 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 02:22:04,492 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 02:22:04,492 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 02:22:04,492 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 02:22:04,492 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-11 02:22:04,493 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 02:22:04,493 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 02:22:04,493 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 02:22:04,494 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 02:22:04,494 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 02:22:04,494 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 02:22:04,495 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:22:04,495 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 02:22:04,495 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 02:22:04,496 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 02:22:04,496 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-11 02:22:04,496 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-11 02:22:04,496 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 02:22:04,497 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 02:22:04,497 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 02:22:04,497 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_3f5a45ab-6f1d-4921-89fe-851f68b52296/bin/utaipan-WLngWcDbfI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f5a45ab-6f1d-4921-89fe-851f68b52296/bin/utaipan-WLngWcDbfI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 966074c4bc45853152b23ed1081806a59c179b92 [2021-10-11 02:22:04,763 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 02:22:04,785 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 02:22:04,790 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 02:22:04,791 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 02:22:04,792 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 02:22:04,793 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f5a45ab-6f1d-4921-89fe-851f68b52296/bin/utaipan-WLngWcDbfI/../../sv-benchmarks/c/float-newlib/double_req_bl_0620a.c [2021-10-11 02:22:04,873 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f5a45ab-6f1d-4921-89fe-851f68b52296/bin/utaipan-WLngWcDbfI/data/748f32fab/806f7d9e1db14a2595cab26eb867a3f5/FLAGc6df6ec75 [2021-10-11 02:22:05,277 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 02:22:05,278 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f5a45ab-6f1d-4921-89fe-851f68b52296/sv-benchmarks/c/float-newlib/double_req_bl_0620a.c [2021-10-11 02:22:05,289 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f5a45ab-6f1d-4921-89fe-851f68b52296/bin/utaipan-WLngWcDbfI/data/748f32fab/806f7d9e1db14a2595cab26eb867a3f5/FLAGc6df6ec75 [2021-10-11 02:22:05,676 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f5a45ab-6f1d-4921-89fe-851f68b52296/bin/utaipan-WLngWcDbfI/data/748f32fab/806f7d9e1db14a2595cab26eb867a3f5 [2021-10-11 02:22:05,678 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 02:22:05,680 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 02:22:05,683 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 02:22:05,683 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 02:22:05,689 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 02:22:05,690 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:22:05" (1/1) ... [2021-10-11 02:22:05,692 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b4415d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:22:05, skipping insertion in model container [2021-10-11 02:22:05,692 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:22:05" (1/1) ... [2021-10-11 02:22:05,712 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 02:22:05,736 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:22:05,991 WARN L226 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_3f5a45ab-6f1d-4921-89fe-851f68b52296/sv-benchmarks/c/float-newlib/double_req_bl_0620a.c[3930,3943] [2021-10-11 02:22:05,994 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:22:06,003 INFO L203 MainTranslator]: Completed pre-run [2021-10-11 02:22:06,043 WARN L226 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_3f5a45ab-6f1d-4921-89fe-851f68b52296/sv-benchmarks/c/float-newlib/double_req_bl_0620a.c[3930,3943] [2021-10-11 02:22:06,044 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:22:06,065 INFO L208 MainTranslator]: Completed translation [2021-10-11 02:22:06,065 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:22:06 WrapperNode [2021-10-11 02:22:06,066 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 02:22:06,067 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-11 02:22:06,067 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-11 02:22:06,067 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-11 02:22:06,075 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:22:06" (1/1) ... [2021-10-11 02:22:06,087 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:22:06" (1/1) ... [2021-10-11 02:22:06,119 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-11 02:22:06,120 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-11 02:22:06,120 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-11 02:22:06,120 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-11 02:22:06,129 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:22:06" (1/1) ... [2021-10-11 02:22:06,129 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:22:06" (1/1) ... [2021-10-11 02:22:06,135 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:22:06" (1/1) ... [2021-10-11 02:22:06,135 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:22:06" (1/1) ... [2021-10-11 02:22:06,147 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:22:06" (1/1) ... [2021-10-11 02:22:06,153 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:22:06" (1/1) ... [2021-10-11 02:22:06,156 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:22:06" (1/1) ... [2021-10-11 02:22:06,160 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-11 02:22:06,161 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-11 02:22:06,161 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-11 02:22:06,161 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-11 02:22:06,162 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:22:06" (1/1) ... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f5a45ab-6f1d-4921-89fe-851f68b52296/bin/utaipan-WLngWcDbfI/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:22:06,244 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-11 02:22:06,244 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-11 02:22:06,244 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2021-10-11 02:22:06,245 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-11 02:22:06,245 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2021-10-11 02:22:06,245 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-11 02:22:06,245 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-11 02:22:06,246 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-11 02:22:06,246 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2021-10-11 02:22:06,246 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-11 02:22:06,870 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-11 02:22:06,870 INFO L299 CfgBuilder]: Removed 20 assume(true) statements. [2021-10-11 02:22:06,878 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:22:06 BoogieIcfgContainer [2021-10-11 02:22:06,878 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-11 02:22:06,880 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-11 02:22:06,880 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-11 02:22:06,883 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-11 02:22:06,883 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 02:22:05" (1/3) ... [2021-10-11 02:22:06,884 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7bc4b107 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:22:06, skipping insertion in model container [2021-10-11 02:22:06,884 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:22:06" (2/3) ... [2021-10-11 02:22:06,884 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7bc4b107 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:22:06, skipping insertion in model container [2021-10-11 02:22:06,884 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:22:06" (3/3) ... [2021-10-11 02:22:06,886 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0620a.c [2021-10-11 02:22:06,904 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-11 02:22:06,907 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-10-11 02:22:06,915 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-11 02:22:06,938 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-10-11 02:22:06,939 INFO L378 AbstractCegarLoop]: Hoare is true [2021-10-11 02:22:06,939 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-10-11 02:22:06,939 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-11 02:22:06,939 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-11 02:22:06,939 INFO L382 AbstractCegarLoop]: Difference is false [2021-10-11 02:22:06,939 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-11 02:22:06,939 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-10-11 02:22:06,951 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states. [2021-10-11 02:22:06,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-10-11 02:22:06,957 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:22:06,958 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:22:06,960 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:22:06,968 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:22:06,968 INFO L82 PathProgramCache]: Analyzing trace with hash 1404764399, now seen corresponding path program 1 times [2021-10-11 02:22:06,977 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-11 02:22:06,977 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [291268982] [2021-10-11 02:22:06,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 02:22:07,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:22:07,142 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:22:07,143 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [291268982] [2021-10-11 02:22:07,144 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:22:07,144 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 02:22:07,145 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [714540984] [2021-10-11 02:22:07,149 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-10-11 02:22:07,149 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-11 02:22:07,162 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-11 02:22:07,163 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-11 02:22:07,165 INFO L87 Difference]: Start difference. First operand 28 states. Second operand 2 states. [2021-10-11 02:22:07,183 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:22:07,183 INFO L93 Difference]: Finished difference Result 55 states and 85 transitions. [2021-10-11 02:22:07,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-11 02:22:07,184 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2021-10-11 02:22:07,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:22:07,193 INFO L225 Difference]: With dead ends: 55 [2021-10-11 02:22:07,193 INFO L226 Difference]: Without dead ends: 26 [2021-10-11 02:22:07,196 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-11 02:22:07,212 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2021-10-11 02:22:07,225 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26. [2021-10-11 02:22:07,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2021-10-11 02:22:07,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 30 transitions. [2021-10-11 02:22:07,228 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 30 transitions. Word has length 10 [2021-10-11 02:22:07,229 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:22:07,229 INFO L481 AbstractCegarLoop]: Abstraction has 26 states and 30 transitions. [2021-10-11 02:22:07,229 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2021-10-11 02:22:07,229 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 30 transitions. [2021-10-11 02:22:07,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-10-11 02:22:07,230 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:22:07,230 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:22:07,231 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-11 02:22:07,231 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:22:07,232 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:22:07,232 INFO L82 PathProgramCache]: Analyzing trace with hash 803283313, now seen corresponding path program 1 times [2021-10-11 02:22:07,232 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-11 02:22:07,233 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1519512694] [2021-10-11 02:22:07,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 02:22:07,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 02:22:07,394 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 02:22:07,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 02:22:07,496 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 02:22:07,542 INFO L173 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2021-10-11 02:22:07,543 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2021-10-11 02:22:07,544 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-11 02:22:07,612 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 02:22:07 BoogieIcfgContainer [2021-10-11 02:22:07,612 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-11 02:22:07,613 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-11 02:22:07,613 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-11 02:22:07,613 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-11 02:22:07,614 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:22:06" (3/4) ... [2021-10-11 02:22:07,617 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-11 02:22:07,617 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-11 02:22:07,624 INFO L168 Benchmark]: Toolchain (without parser) took 1938.16 ms. Allocated memory was 88.1 MB in the beginning and 111.1 MB in the end (delta: 23.1 MB). Free memory was 52.5 MB in the beginning and 73.1 MB in the end (delta: -20.6 MB). Peak memory consumption was 1.3 MB. Max. memory is 16.1 GB. [2021-10-11 02:22:07,625 INFO L168 Benchmark]: CDTParser took 0.82 ms. Allocated memory is still 88.1 MB. Free memory was 68.8 MB in the beginning and 68.8 MB in the end (delta: 43.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:22:07,627 INFO L168 Benchmark]: CACSL2BoogieTranslator took 383.43 ms. Allocated memory was 88.1 MB in the beginning and 111.1 MB in the end (delta: 23.1 MB). Free memory was 52.2 MB in the beginning and 84.9 MB in the end (delta: -32.6 MB). Peak memory consumption was 7.9 MB. Max. memory is 16.1 GB. [2021-10-11 02:22:07,628 INFO L168 Benchmark]: Boogie Procedure Inliner took 52.64 ms. Allocated memory is still 111.1 MB. Free memory was 84.9 MB in the beginning and 82.5 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 02:22:07,629 INFO L168 Benchmark]: Boogie Preprocessor took 39.73 ms. Allocated memory is still 111.1 MB. Free memory was 82.5 MB in the beginning and 80.7 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 02:22:07,631 INFO L168 Benchmark]: RCFGBuilder took 717.75 ms. Allocated memory is still 111.1 MB. Free memory was 80.7 MB in the beginning and 73.3 MB in the end (delta: 7.4 MB). Peak memory consumption was 25.5 MB. Max. memory is 16.1 GB. [2021-10-11 02:22:07,632 INFO L168 Benchmark]: TraceAbstraction took 732.75 ms. Allocated memory is still 111.1 MB. Free memory was 72.9 MB in the beginning and 73.2 MB in the end (delta: -354.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:22:07,634 INFO L168 Benchmark]: Witness Printer took 4.17 ms. Allocated memory is still 111.1 MB. Free memory was 73.2 MB in the beginning and 73.1 MB in the end (delta: 150.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:22:07,644 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.82 ms. Allocated memory is still 88.1 MB. Free memory was 68.8 MB in the beginning and 68.8 MB in the end (delta: 43.3 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 383.43 ms. Allocated memory was 88.1 MB in the beginning and 111.1 MB in the end (delta: 23.1 MB). Free memory was 52.2 MB in the beginning and 84.9 MB in the end (delta: -32.6 MB). Peak memory consumption was 7.9 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 52.64 ms. Allocated memory is still 111.1 MB. Free memory was 84.9 MB in the beginning and 82.5 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 39.73 ms. Allocated memory is still 111.1 MB. Free memory was 82.5 MB in the beginning and 80.7 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 717.75 ms. Allocated memory is still 111.1 MB. Free memory was 80.7 MB in the beginning and 73.3 MB in the end (delta: 7.4 MB). Peak memory consumption was 25.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 732.75 ms. Allocated memory is still 111.1 MB. Free memory was 72.9 MB in the beginning and 73.2 MB in the end (delta: -354.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 4.17 ms. Allocated memory is still 111.1 MB. Free memory was 73.2 MB in the beginning and 73.1 MB in the end (delta: 150.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 161]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of someUnaryDOUBLEoperation at line 54, overapproximation of bitwiseAnd at line 75, overapproximation of someBinaryArithmeticDOUBLEoperation at line 84, overapproximation of someBinaryDOUBLEComparisonOperation at line 160. Possible FailurePath: [L39-L44] static const double atanhi_atan[] = { 4.63647609000806093515e-01, 7.85398163397448278999e-01, 9.82793723247329054082e-01, 1.57079632679489655800e+00, }; [L46-L51] static const double atanlo_atan[] = { 2.26987774529616870924e-17, 3.06161699786838301793e-17, 1.39033110312309984516e-17, 6.12323399573676603587e-17, }; [L53-L60] static const double aT_atan[] = { 3.33333333333329318027e-01, -1.99999999998764832476e-01, 1.42857142725034663711e-01, -1.11111104054623557880e-01, 9.09088713343650656196e-02, -7.69187620504482999495e-02, 6.66107313738753120669e-02, -5.83357013379057348645e-02, 4.97687799461593236017e-02, -3.65315727442169155270e-02, 1.62858201153657823623e-02, }; [L62-L64] static const double one_atan = 1.0, pi_o_4 = 7.8539816339744827900E-01, pi_o_2 = 1.5707963267948965580E+00, pi = 3.1415926535897931160E+00, huge_atan = 1.0e300; [L156] double x = -0.0; [L67] double w, s1, s2, z; [L68] __int32_t ix, hx, id; VAL [aT_atan={10:0}, atanhi_atan={5:0}, atanlo_atan={7:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000] [L71] ieee_double_shape_type gh_u; [L72] gh_u.value = (x) [L73] EXPR gh_u.parts.msw [L73] (hx) = gh_u.parts.msw [L75] ix = hx & 0x7fffffff VAL [aT_atan={10:0}, atanhi_atan={5:0}, atanlo_atan={7:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000] [L76] COND TRUE ix >= 0x44100000 [L77] __uint32_t low; VAL [aT_atan={10:0}, atanhi_atan={5:0}, atanlo_atan={7:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000] [L79] ieee_double_shape_type gl_u; [L80] gl_u.value = (x) [L81] EXPR gl_u.parts.lsw [L81] (low) = gl_u.parts.lsw [L83] COND FALSE !(ix > 0x7ff00000 || (ix == 0x7ff00000 && (low != 0))) [L85] COND TRUE hx > 0 [L86] EXPR atanhi_atan[3] [L86] EXPR atanlo_atan[3] [L86] return atanhi_atan[3] + atanlo_atan[3]; [L157] double res = atan_double(x); [L160] EXPR res == -0.0 && __signbit_double(res) == 1 VAL [aT_atan={10:0}, atanhi_atan={5:0}, atanlo_atan={7:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000] [L160] COND TRUE !(res == -0.0 && __signbit_double(res) == 1) [L161] reach_error() VAL [aT_atan={10:0}, atanhi_atan={5:0}, atanlo_atan={7:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 28 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.6s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 32 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=28occurred in iteration=0, 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: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 22 NumberOfCodeBlocks, 22 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 81 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 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 RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-7b2dab5 [2021-10-11 02:22:10,158 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 02:22:10,162 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 02:22:10,244 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 02:22:10,244 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 02:22:10,251 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 02:22:10,254 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 02:22:10,257 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 02:22:10,260 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 02:22:10,261 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 02:22:10,262 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 02:22:10,264 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 02:22:10,265 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 02:22:10,266 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 02:22:10,268 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 02:22:10,269 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 02:22:10,271 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 02:22:10,272 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 02:22:10,274 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 02:22:10,277 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 02:22:10,279 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 02:22:10,281 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 02:22:10,282 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 02:22:10,283 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 02:22:10,287 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 02:22:10,288 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 02:22:10,288 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 02:22:10,289 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 02:22:10,290 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 02:22:10,292 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 02:22:10,292 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 02:22:10,293 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 02:22:10,295 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 02:22:10,296 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 02:22:10,297 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 02:22:10,298 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 02:22:10,299 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 02:22:10,299 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 02:22:10,300 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 02:22:10,301 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 02:22:10,302 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 02:22:10,303 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f5a45ab-6f1d-4921-89fe-851f68b52296/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-11 02:22:10,348 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 02:22:10,349 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 02:22:10,350 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-11 02:22:10,351 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-11 02:22:10,351 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-11 02:22:10,351 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-11 02:22:10,351 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-11 02:22:10,352 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-11 02:22:10,352 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-11 02:22:10,353 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 02:22:10,355 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 02:22:10,355 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 02:22:10,355 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 02:22:10,355 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 02:22:10,356 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 02:22:10,356 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 02:22:10,356 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-11 02:22:10,356 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-11 02:22:10,356 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-11 02:22:10,357 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 02:22:10,357 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 02:22:10,357 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 02:22:10,357 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 02:22:10,358 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 02:22:10,358 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-11 02:22:10,358 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 02:22:10,358 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:22:10,359 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 02:22:10,359 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 02:22:10,359 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 02:22:10,359 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-11 02:22:10,360 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-11 02:22:10,360 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 02:22:10,360 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 02:22:10,360 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 02:22:10,361 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_3f5a45ab-6f1d-4921-89fe-851f68b52296/bin/utaipan-WLngWcDbfI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f5a45ab-6f1d-4921-89fe-851f68b52296/bin/utaipan-WLngWcDbfI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 966074c4bc45853152b23ed1081806a59c179b92 [2021-10-11 02:22:10,768 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 02:22:10,805 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 02:22:10,810 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 02:22:10,811 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 02:22:10,812 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 02:22:10,813 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f5a45ab-6f1d-4921-89fe-851f68b52296/bin/utaipan-WLngWcDbfI/../../sv-benchmarks/c/float-newlib/double_req_bl_0620a.c [2021-10-11 02:22:10,895 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f5a45ab-6f1d-4921-89fe-851f68b52296/bin/utaipan-WLngWcDbfI/data/b6bc48ac8/c7917755d7434a8ebd7cc93599db21d9/FLAG51bb9556e [2021-10-11 02:22:11,416 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 02:22:11,418 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f5a45ab-6f1d-4921-89fe-851f68b52296/sv-benchmarks/c/float-newlib/double_req_bl_0620a.c [2021-10-11 02:22:11,434 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f5a45ab-6f1d-4921-89fe-851f68b52296/bin/utaipan-WLngWcDbfI/data/b6bc48ac8/c7917755d7434a8ebd7cc93599db21d9/FLAG51bb9556e [2021-10-11 02:22:11,773 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f5a45ab-6f1d-4921-89fe-851f68b52296/bin/utaipan-WLngWcDbfI/data/b6bc48ac8/c7917755d7434a8ebd7cc93599db21d9 [2021-10-11 02:22:11,777 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 02:22:11,779 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 02:22:11,781 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 02:22:11,782 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 02:22:11,786 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 02:22:11,787 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:22:11" (1/1) ... [2021-10-11 02:22:11,793 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10f50907 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:22:11, skipping insertion in model container [2021-10-11 02:22:11,793 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:22:11" (1/1) ... [2021-10-11 02:22:11,823 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 02:22:11,863 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:22:12,138 WARN L226 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_3f5a45ab-6f1d-4921-89fe-851f68b52296/sv-benchmarks/c/float-newlib/double_req_bl_0620a.c[3930,3943] [2021-10-11 02:22:12,141 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:22:12,191 INFO L203 MainTranslator]: Completed pre-run [2021-10-11 02:22:12,236 WARN L226 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_3f5a45ab-6f1d-4921-89fe-851f68b52296/sv-benchmarks/c/float-newlib/double_req_bl_0620a.c[3930,3943] [2021-10-11 02:22:12,237 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:22:12,263 INFO L208 MainTranslator]: Completed translation [2021-10-11 02:22:12,264 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:22:12 WrapperNode [2021-10-11 02:22:12,264 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 02:22:12,266 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-11 02:22:12,266 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-11 02:22:12,266 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-11 02:22:12,274 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:22:12" (1/1) ... [2021-10-11 02:22:12,287 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:22:12" (1/1) ... [2021-10-11 02:22:12,320 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-11 02:22:12,321 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-11 02:22:12,321 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-11 02:22:12,321 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-11 02:22:12,330 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:22:12" (1/1) ... [2021-10-11 02:22:12,330 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:22:12" (1/1) ... [2021-10-11 02:22:12,336 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:22:12" (1/1) ... [2021-10-11 02:22:12,337 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:22:12" (1/1) ... [2021-10-11 02:22:12,351 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:22:12" (1/1) ... [2021-10-11 02:22:12,356 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:22:12" (1/1) ... [2021-10-11 02:22:12,360 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:22:12" (1/1) ... [2021-10-11 02:22:12,365 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-11 02:22:12,366 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-11 02:22:12,366 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-11 02:22:12,367 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-11 02:22:12,367 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:22:12" (1/1) ... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f5a45ab-6f1d-4921-89fe-851f68b52296/bin/utaipan-WLngWcDbfI/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:22:12,452 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2021-10-11 02:22:12,453 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2021-10-11 02:22:12,453 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-11 02:22:12,453 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-11 02:22:12,454 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2021-10-11 02:22:12,454 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-10-11 02:22:12,454 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-11 02:22:12,454 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-11 02:22:12,454 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-10-11 02:22:12,455 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-11 02:22:30,280 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-11 02:22:30,280 INFO L299 CfgBuilder]: Removed 20 assume(true) statements. [2021-10-11 02:22:30,282 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:22:30 BoogieIcfgContainer [2021-10-11 02:22:30,282 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-11 02:22:30,284 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-11 02:22:30,285 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-11 02:22:30,288 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-11 02:22:30,288 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 02:22:11" (1/3) ... [2021-10-11 02:22:30,289 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f0912df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:22:30, skipping insertion in model container [2021-10-11 02:22:30,289 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:22:12" (2/3) ... [2021-10-11 02:22:30,289 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f0912df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:22:30, skipping insertion in model container [2021-10-11 02:22:30,290 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:22:30" (3/3) ... [2021-10-11 02:22:30,291 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0620a.c [2021-10-11 02:22:30,306 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-11 02:22:30,309 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-10-11 02:22:30,318 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-11 02:22:30,340 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-10-11 02:22:30,341 INFO L378 AbstractCegarLoop]: Hoare is true [2021-10-11 02:22:30,341 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-10-11 02:22:30,341 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-11 02:22:30,341 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-11 02:22:30,341 INFO L382 AbstractCegarLoop]: Difference is false [2021-10-11 02:22:30,342 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-11 02:22:30,342 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-10-11 02:22:30,353 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states. [2021-10-11 02:22:30,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-10-11 02:22:30,357 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:22:30,358 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:22:30,358 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:22:30,362 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:22:30,363 INFO L82 PathProgramCache]: Analyzing trace with hash 2040843078, now seen corresponding path program 1 times [2021-10-11 02:22:30,375 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:22:30,376 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1211711662] [2021-10-11 02:22:30,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f5a45ab-6f1d-4921-89fe-851f68b52296/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2021-10-11 02:22:30,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:22:30,794 INFO L263 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-11 02:22:30,798 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:22:30,852 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:22:30,853 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:22:30,853 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1211711662] [2021-10-11 02:22:30,854 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:22:30,854 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 02:22:30,855 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1632883141] [2021-10-11 02:22:30,859 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-10-11 02:22:30,860 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:22:30,877 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-11 02:22:30,878 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-11 02:22:30,881 INFO L87 Difference]: Start difference. First operand 39 states. Second operand 2 states. [2021-10-11 02:22:30,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:22:30,913 INFO L93 Difference]: Finished difference Result 76 states and 120 transitions. [2021-10-11 02:22:30,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-11 02:22:30,914 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2021-10-11 02:22:30,914 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:22:30,924 INFO L225 Difference]: With dead ends: 76 [2021-10-11 02:22:30,925 INFO L226 Difference]: Without dead ends: 36 [2021-10-11 02:22:30,930 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-11 02:22:30,947 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2021-10-11 02:22:30,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 36. [2021-10-11 02:22:30,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 36 states. [2021-10-11 02:22:30,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 47 transitions. [2021-10-11 02:22:30,971 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 47 transitions. Word has length 11 [2021-10-11 02:22:30,971 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:22:30,972 INFO L481 AbstractCegarLoop]: Abstraction has 36 states and 47 transitions. [2021-10-11 02:22:30,972 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2021-10-11 02:22:30,972 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 47 transitions. [2021-10-11 02:22:30,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-10-11 02:22:30,974 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:22:30,975 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:22:31,194 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2021-10-11 02:22:31,194 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:22:31,195 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:22:31,195 INFO L82 PathProgramCache]: Analyzing trace with hash -1316832376, now seen corresponding path program 1 times [2021-10-11 02:22:31,195 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:22:31,196 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1625408263] [2021-10-11 02:22:31,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f5a45ab-6f1d-4921-89fe-851f68b52296/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2021-10-11 02:22:31,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:22:31,553 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-11 02:22:31,556 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:22:32,094 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:22:32,095 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:22:32,095 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1625408263] [2021-10-11 02:22:32,095 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:22:32,095 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 02:22:32,095 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1954758578] [2021-10-11 02:22:32,096 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 02:22:32,097 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:22:32,097 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 02:22:32,098 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:22:32,098 INFO L87 Difference]: Start difference. First operand 36 states and 47 transitions. Second operand 5 states. [2021-10-11 02:22:32,340 WARN L197 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2021-10-11 02:22:32,559 WARN L197 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 22 [2021-10-11 02:22:41,617 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:22:41,618 INFO L93 Difference]: Finished difference Result 59 states and 72 transitions. [2021-10-11 02:22:41,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-11 02:22:41,618 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2021-10-11 02:22:41,619 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:22:41,619 INFO L225 Difference]: With dead ends: 59 [2021-10-11 02:22:41,620 INFO L226 Difference]: Without dead ends: 32 [2021-10-11 02:22:41,621 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-11 02:22:41,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2021-10-11 02:22:41,624 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 23. [2021-10-11 02:22:41,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2021-10-11 02:22:41,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 26 transitions. [2021-10-11 02:22:41,626 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 26 transitions. Word has length 13 [2021-10-11 02:22:41,626 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:22:41,626 INFO L481 AbstractCegarLoop]: Abstraction has 23 states and 26 transitions. [2021-10-11 02:22:41,627 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 02:22:41,627 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 26 transitions. [2021-10-11 02:22:41,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-10-11 02:22:41,627 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:22:41,628 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:22:41,828 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2021-10-11 02:22:41,828 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:22:41,829 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:22:41,829 INFO L82 PathProgramCache]: Analyzing trace with hash 1440122883, now seen corresponding path program 1 times [2021-10-11 02:22:41,830 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:22:41,830 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [265929093] [2021-10-11 02:22:41,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f5a45ab-6f1d-4921-89fe-851f68b52296/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2021-10-11 02:22:42,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:22:42,223 INFO L263 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-11 02:22:42,224 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:22:42,825 WARN L197 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 9 DAG size of output: 1 [2021-10-11 02:22:42,829 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:22:42,829 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:22:42,829 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [265929093] [2021-10-11 02:22:42,829 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:22:42,829 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 02:22:42,830 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [770106119] [2021-10-11 02:22:42,830 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 02:22:42,830 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:22:42,831 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 02:22:42,831 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:22:42,831 INFO L87 Difference]: Start difference. First operand 23 states and 26 transitions. Second operand 5 states. [2021-10-11 02:22:43,717 WARN L197 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 7 [2021-10-11 02:22:44,626 WARN L197 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 8 [2021-10-11 02:22:55,172 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:22:55,173 INFO L93 Difference]: Finished difference Result 35 states and 37 transitions. [2021-10-11 02:22:55,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-11 02:22:55,173 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2021-10-11 02:22:55,174 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:22:55,174 INFO L225 Difference]: With dead ends: 35 [2021-10-11 02:22:55,175 INFO L226 Difference]: Without dead ends: 32 [2021-10-11 02:22:55,175 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-11 02:22:55,176 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2021-10-11 02:22:55,179 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 25. [2021-10-11 02:22:55,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2021-10-11 02:22:55,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 28 transitions. [2021-10-11 02:22:55,181 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 28 transitions. Word has length 13 [2021-10-11 02:22:55,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:22:55,181 INFO L481 AbstractCegarLoop]: Abstraction has 25 states and 28 transitions. [2021-10-11 02:22:55,181 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 02:22:55,181 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 28 transitions. [2021-10-11 02:22:55,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-11 02:22:55,182 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:22:55,182 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:22:55,384 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2021-10-11 02:22:55,384 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:22:55,386 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:22:55,386 INFO L82 PathProgramCache]: Analyzing trace with hash 1041172097, now seen corresponding path program 1 times [2021-10-11 02:22:55,387 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:22:55,387 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [672942098] [2021-10-11 02:22:55,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f5a45ab-6f1d-4921-89fe-851f68b52296/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2021-10-11 02:22:59,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:22:59,934 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-11 02:22:59,936 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:23:00,171 WARN L197 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 12 [2021-10-11 02:23:00,463 WARN L197 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2021-10-11 02:23:00,490 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:23:00,491 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:23:00,491 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [672942098] [2021-10-11 02:23:00,491 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:23:00,491 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-11 02:23:00,491 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1903309214] [2021-10-11 02:23:00,492 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-10-11 02:23:00,492 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:23:00,492 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-11 02:23:00,492 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-11 02:23:00,493 INFO L87 Difference]: Start difference. First operand 25 states and 28 transitions. Second operand 4 states. [2021-10-11 02:23:00,675 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:23:00,675 INFO L93 Difference]: Finished difference Result 32 states and 34 transitions. [2021-10-11 02:23:00,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-11 02:23:00,684 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 16 [2021-10-11 02:23:00,684 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:23:00,684 INFO L225 Difference]: With dead ends: 32 [2021-10-11 02:23:00,685 INFO L226 Difference]: Without dead ends: 18 [2021-10-11 02:23:00,685 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 12 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-11 02:23:00,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2021-10-11 02:23:00,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2021-10-11 02:23:00,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2021-10-11 02:23:00,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 17 transitions. [2021-10-11 02:23:00,689 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 17 transitions. Word has length 16 [2021-10-11 02:23:00,689 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:23:00,689 INFO L481 AbstractCegarLoop]: Abstraction has 18 states and 17 transitions. [2021-10-11 02:23:00,689 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-10-11 02:23:00,689 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 17 transitions. [2021-10-11 02:23:00,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-11 02:23:00,690 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:23:00,690 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:23:00,890 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2021-10-11 02:23:00,891 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:23:00,891 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:23:00,891 INFO L82 PathProgramCache]: Analyzing trace with hash 1453962584, now seen corresponding path program 1 times [2021-10-11 02:23:00,892 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:23:00,892 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1540923103] [2021-10-11 02:23:00,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f5a45ab-6f1d-4921-89fe-851f68b52296/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2021-10-11 02:23:01,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:23:01,259 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 14 conjunts are in the unsatisfiable core [2021-10-11 02:23:01,261 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:23:02,184 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-10-11 02:23:02,907 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:23:02,907 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:23:02,907 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1540923103] [2021-10-11 02:23:02,908 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:23:02,908 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-10-11 02:23:02,908 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [108069918] [2021-10-11 02:23:02,909 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-10-11 02:23:02,909 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:23:02,910 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-10-11 02:23:02,910 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-10-11 02:23:02,910 INFO L87 Difference]: Start difference. First operand 18 states and 17 transitions. Second operand 9 states. [2021-10-11 02:23:03,886 WARN L197 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 7 [2021-10-11 02:23:04,312 WARN L197 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 10 [2021-10-11 02:23:04,824 WARN L197 SmtUtils]: Spent 340.00 ms on a formula simplification that was a NOOP. DAG size: 12 [2021-10-11 02:23:05,244 WARN L197 SmtUtils]: Spent 302.00 ms on a formula simplification that was a NOOP. DAG size: 23 [2021-10-11 02:23:05,692 WARN L197 SmtUtils]: Spent 361.00 ms on a formula simplification that was a NOOP. DAG size: 28 [2021-10-11 02:23:05,732 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:23:05,732 INFO L93 Difference]: Finished difference Result 18 states and 17 transitions. [2021-10-11 02:23:05,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-11 02:23:05,733 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 17 [2021-10-11 02:23:05,733 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:23:05,733 INFO L225 Difference]: With dead ends: 18 [2021-10-11 02:23:05,733 INFO L226 Difference]: Without dead ends: 0 [2021-10-11 02:23:05,734 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=59, Invalid=123, Unknown=0, NotChecked=0, Total=182 [2021-10-11 02:23:05,734 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-11 02:23:05,734 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-11 02:23:05,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-10-11 02:23:05,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-11 02:23:05,735 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 17 [2021-10-11 02:23:05,735 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:23:05,735 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-11 02:23:05,735 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2021-10-11 02:23:05,735 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-11 02:23:05,736 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-11 02:23:05,946 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2021-10-11 02:23:05,947 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-11 02:23:06,658 WARN L197 SmtUtils]: Spent 579.00 ms on a formula simplification that was a NOOP. DAG size: 39 [2021-10-11 02:23:06,900 WARN L197 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 18 [2021-10-11 02:23:07,402 WARN L197 SmtUtils]: Spent 459.00 ms on a formula simplification that was a NOOP. DAG size: 23 [2021-10-11 02:23:07,618 WARN L197 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2021-10-11 02:23:07,620 INFO L262 CegarLoopResult]: For program point L85(lines 85 88) no Hoare annotation was computed. [2021-10-11 02:23:07,621 INFO L262 CegarLoopResult]: For program point L160(line 160) no Hoare annotation was computed. [2021-10-11 02:23:07,621 INFO L262 CegarLoopResult]: For program point L160-2(lines 160 163) no Hoare annotation was computed. [2021-10-11 02:23:07,621 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-11 02:23:07,621 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-11 02:23:07,621 INFO L262 CegarLoopResult]: For program point L78-1(lines 78 82) no Hoare annotation was computed. [2021-10-11 02:23:07,621 INFO L258 CegarLoopResult]: At program point L78-2(lines 78 82) the Hoare annotation is: false [2021-10-11 02:23:07,621 INFO L262 CegarLoopResult]: For program point L78-3(lines 76 89) no Hoare annotation was computed. [2021-10-11 02:23:07,621 INFO L262 CegarLoopResult]: For program point L70-1(lines 70 74) no Hoare annotation was computed. [2021-10-11 02:23:07,622 INFO L258 CegarLoopResult]: At program point L70-2(lines 70 74) the Hoare annotation is: (and (= ((_ to_fp 11 53) currentRoundingMode 1.0) ~one_atan~0) (= currentRoundingMode roundNearestTiesToEven) (= ~huge_atan~0 ((_ to_fp 11 53) currentRoundingMode 1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000.0)) (= ULTIMATE.start_atan_double_~x (fp.neg (_ +zero 11 53)))) [2021-10-11 02:23:07,622 INFO L262 CegarLoopResult]: For program point L70-3(lines 70 74) no Hoare annotation was computed. [2021-10-11 02:23:07,622 INFO L262 CegarLoopResult]: For program point L161(line 161) no Hoare annotation was computed. [2021-10-11 02:23:07,622 INFO L262 CegarLoopResult]: For program point L128(lines 128 133) no Hoare annotation was computed. [2021-10-11 02:23:07,622 INFO L262 CegarLoopResult]: For program point L21-1(lines 21 25) no Hoare annotation was computed. [2021-10-11 02:23:07,622 INFO L258 CegarLoopResult]: At program point L21-2(lines 21 25) the Hoare annotation is: false [2021-10-11 02:23:07,623 INFO L258 CegarLoopResult]: At program point L145(lines 136 146) the Hoare annotation is: (let ((.cse0 (fp.neg (_ +zero 11 53)))) (and (= ((_ to_fp 11 53) currentRoundingMode 1.0) ~one_atan~0) (= .cse0 ULTIMATE.start_main_~res~0) (= currentRoundingMode roundNearestTiesToEven) (exists ((|v_skolemized_q#valueAsBitvector_14| (_ BitVec 64))) (and (= (fp ((_ extract 63 63) |v_skolemized_q#valueAsBitvector_14|) ((_ extract 62 52) |v_skolemized_q#valueAsBitvector_14|) ((_ extract 51 0) |v_skolemized_q#valueAsBitvector_14|)) (fp.neg (_ +zero 11 53))) (= ULTIMATE.start___signbit_double_~msw~0 ((_ extract 63 32) |v_skolemized_q#valueAsBitvector_14|)))) (= ~huge_atan~0 ((_ to_fp 11 53) currentRoundingMode 1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000.0)) |ULTIMATE.start_main_#t~short33| (= ULTIMATE.start___signbit_double_~x .cse0) (= |ULTIMATE.start_atan_double_#res| .cse0) (= ULTIMATE.start_atan_double_~x .cse0) (= (bvadd |ULTIMATE.start___signbit_double_#res| (_ bv4294967295 32)) (_ bv0 32)))) [2021-10-11 02:23:07,623 INFO L262 CegarLoopResult]: For program point L139-1(lines 139 143) no Hoare annotation was computed. [2021-10-11 02:23:07,623 INFO L258 CegarLoopResult]: At program point L139-2(lines 139 143) the Hoare annotation is: (let ((.cse0 (fp.neg (_ +zero 11 53)))) (and (= ((_ to_fp 11 53) currentRoundingMode 1.0) ~one_atan~0) (= .cse0 ULTIMATE.start_main_~res~0) (= currentRoundingMode roundNearestTiesToEven) (= ~huge_atan~0 ((_ to_fp 11 53) currentRoundingMode 1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000.0)) |ULTIMATE.start_main_#t~short33| (= ULTIMATE.start___signbit_double_~x .cse0) (= |ULTIMATE.start_atan_double_#res| .cse0) (= ULTIMATE.start_atan_double_~x .cse0))) [2021-10-11 02:23:07,623 INFO L262 CegarLoopResult]: For program point L139-3(lines 139 143) no Hoare annotation was computed. [2021-10-11 02:23:07,623 INFO L262 CegarLoopResult]: For program point L98(lines 98 114) no Hoare annotation was computed. [2021-10-11 02:23:07,624 INFO L258 CegarLoopResult]: At program point L32(lines 19 33) the Hoare annotation is: false [2021-10-11 02:23:07,624 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-11 02:23:07,624 INFO L262 CegarLoopResult]: For program point L90(lines 90 115) no Hoare annotation was computed. [2021-10-11 02:23:07,624 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 161) no Hoare annotation was computed. [2021-10-11 02:23:07,624 INFO L262 CegarLoopResult]: For program point L107(lines 107 113) no Hoare annotation was computed. [2021-10-11 02:23:07,625 INFO L262 CegarLoopResult]: For program point L107-2(lines 90 115) no Hoare annotation was computed. [2021-10-11 02:23:07,625 INFO L265 CegarLoopResult]: At program point L165(lines 148 166) the Hoare annotation is: true [2021-10-11 02:23:07,625 INFO L262 CegarLoopResult]: For program point L132(line 132) no Hoare annotation was computed. [2021-10-11 02:23:07,625 INFO L262 CegarLoopResult]: For program point L99(lines 99 105) no Hoare annotation was computed. [2021-10-11 02:23:07,625 INFO L262 CegarLoopResult]: For program point L132-2(line 132) no Hoare annotation was computed. [2021-10-11 02:23:07,626 INFO L258 CegarLoopResult]: At program point L132-3(lines 66 134) the Hoare annotation is: (let ((.cse0 (fp.neg (_ +zero 11 53)))) (and (= ((_ to_fp 11 53) currentRoundingMode 1.0) ~one_atan~0) (= currentRoundingMode roundNearestTiesToEven) (= ~huge_atan~0 ((_ to_fp 11 53) currentRoundingMode 1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000.0)) (= |ULTIMATE.start_atan_double_#res| .cse0) (= ULTIMATE.start_atan_double_~x .cse0))) [2021-10-11 02:23:07,626 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-11 02:23:07,626 INFO L262 CegarLoopResult]: For program point L91(lines 91 94) no Hoare annotation was computed. [2021-10-11 02:23:07,626 INFO L262 CegarLoopResult]: For program point L91-2(lines 91 94) no Hoare annotation was computed. [2021-10-11 02:23:07,626 INFO L262 CegarLoopResult]: For program point L92(lines 92 93) no Hoare annotation was computed. [2021-10-11 02:23:07,626 INFO L262 CegarLoopResult]: For program point L26(lines 26 31) no Hoare annotation was computed. [2021-10-11 02:23:07,626 INFO L262 CegarLoopResult]: For program point L26-1(lines 19 33) no Hoare annotation was computed. [2021-10-11 02:23:07,626 INFO L262 CegarLoopResult]: For program point L26-2(lines 26 31) no Hoare annotation was computed. [2021-10-11 02:23:07,626 INFO L262 CegarLoopResult]: For program point L76(lines 76 89) no Hoare annotation was computed. [2021-10-11 02:23:07,636 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 02:23:07,639 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 02:23:07,641 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 02:23:07,641 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2021-10-11 02:23:07,641 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2021-10-11 02:23:07,642 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2021-10-11 02:23:07,642 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2021-10-11 02:23:07,643 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 02:23:07,643 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2021-10-11 02:23:07,643 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2021-10-11 02:23:07,643 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2021-10-11 02:23:07,644 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2021-10-11 02:23:07,645 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 02:23:07,646 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 02:23:07,646 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 02:23:07,647 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 02:23:07,649 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 02:23:07 BoogieIcfgContainer [2021-10-11 02:23:07,649 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-11 02:23:07,650 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-11 02:23:07,650 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-11 02:23:07,650 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-11 02:23:07,651 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:22:30" (3/4) ... [2021-10-11 02:23:07,654 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-11 02:23:07,664 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2021-10-11 02:23:07,664 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2021-10-11 02:23:07,665 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 02:23:07,665 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 02:23:07,688 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0) == one_atan && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && huge_atan == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0E300)) && \result == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && x == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) [2021-10-11 02:23:07,689 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0) == one_atan && ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) == res) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && huge_atan == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0E300)) && aux-res == -0.0 && __signbit_double(res) == 1-aux) && x == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && \result == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && x == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) [2021-10-11 02:23:07,690 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0) == one_atan && ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) == res) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && (\exists v_skolemized_q#valueAsBitvector_14 : bv64 :: ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_14[63:63], v_skolemized_q#valueAsBitvector_14[62:52], v_skolemized_q#valueAsBitvector_14[51:0]) == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) && msw == v_skolemized_q#valueAsBitvector_14[63:32])) && huge_atan == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0E300)) && aux-res == -0.0 && __signbit_double(res) == 1-aux) && x == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && \result == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && x == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && ~bvadd64(\result, 4294967295bv32) == 0bv32 [2021-10-11 02:23:07,736 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f5a45ab-6f1d-4921-89fe-851f68b52296/bin/utaipan-WLngWcDbfI/witness.graphml [2021-10-11 02:23:07,736 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-11 02:23:07,737 INFO L168 Benchmark]: Toolchain (without parser) took 55957.93 ms. Allocated memory was 79.7 MB in the beginning and 104.9 MB in the end (delta: 25.2 MB). Free memory was 44.1 MB in the beginning and 38.8 MB in the end (delta: 5.3 MB). Peak memory consumption was 32.3 MB. Max. memory is 16.1 GB. [2021-10-11 02:23:07,737 INFO L168 Benchmark]: CDTParser took 0.36 ms. Allocated memory is still 79.7 MB. Free memory was 61.0 MB in the beginning and 60.9 MB in the end (delta: 66.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:23:07,738 INFO L168 Benchmark]: CACSL2BoogieTranslator took 483.40 ms. Allocated memory is still 79.7 MB. Free memory was 43.9 MB in the beginning and 58.1 MB in the end (delta: -14.2 MB). Peak memory consumption was 6.9 MB. Max. memory is 16.1 GB. [2021-10-11 02:23:07,738 INFO L168 Benchmark]: Boogie Procedure Inliner took 54.55 ms. Allocated memory is still 79.7 MB. Free memory was 58.1 MB in the beginning and 55.7 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 02:23:07,739 INFO L168 Benchmark]: Boogie Preprocessor took 44.66 ms. Allocated memory is still 79.7 MB. Free memory was 55.7 MB in the beginning and 53.5 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 02:23:07,739 INFO L168 Benchmark]: RCFGBuilder took 17916.44 ms. Allocated memory was 79.7 MB in the beginning and 104.9 MB in the end (delta: 25.2 MB). Free memory was 53.5 MB in the beginning and 73.0 MB in the end (delta: -19.5 MB). Peak memory consumption was 25.5 MB. Max. memory is 16.1 GB. [2021-10-11 02:23:07,740 INFO L168 Benchmark]: TraceAbstraction took 37365.11 ms. Allocated memory is still 104.9 MB. Free memory was 72.5 MB in the beginning and 43.9 MB in the end (delta: 28.6 MB). Peak memory consumption was 29.3 MB. Max. memory is 16.1 GB. [2021-10-11 02:23:07,740 INFO L168 Benchmark]: Witness Printer took 86.37 ms. Allocated memory is still 104.9 MB. Free memory was 43.9 MB in the beginning and 38.8 MB in the end (delta: 5.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-11 02:23:07,742 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36 ms. Allocated memory is still 79.7 MB. Free memory was 61.0 MB in the beginning and 60.9 MB in the end (delta: 66.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 483.40 ms. Allocated memory is still 79.7 MB. Free memory was 43.9 MB in the beginning and 58.1 MB in the end (delta: -14.2 MB). Peak memory consumption was 6.9 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 54.55 ms. Allocated memory is still 79.7 MB. Free memory was 58.1 MB in the beginning and 55.7 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 44.66 ms. Allocated memory is still 79.7 MB. Free memory was 55.7 MB in the beginning and 53.5 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 17916.44 ms. Allocated memory was 79.7 MB in the beginning and 104.9 MB in the end (delta: 25.2 MB). Free memory was 53.5 MB in the beginning and 73.0 MB in the end (delta: -19.5 MB). Peak memory consumption was 25.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 37365.11 ms. Allocated memory is still 104.9 MB. Free memory was 72.5 MB in the beginning and 43.9 MB in the end (delta: 28.6 MB). Peak memory consumption was 29.3 MB. Max. memory is 16.1 GB. * Witness Printer took 86.37 ms. Allocated memory is still 104.9 MB. Free memory was 43.9 MB in the beginning and 38.8 MB in the end (delta: 5.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 161]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 148]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 19]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 66]: Loop Invariant [2021-10-11 02:23:07,750 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 02:23:07,751 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: (((~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0) == one_atan && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && huge_atan == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0E300)) && \result == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && x == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) - InvariantResult [Line: 136]: Loop Invariant [2021-10-11 02:23:07,752 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 02:23:07,752 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2021-10-11 02:23:07,752 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2021-10-11 02:23:07,752 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2021-10-11 02:23:07,752 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2021-10-11 02:23:07,753 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 02:23:07,753 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2021-10-11 02:23:07,754 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2021-10-11 02:23:07,754 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] [2021-10-11 02:23:07,754 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_q#valueAsBitvector_14,QUANTIFIED] Derived loop invariant: ((((((((~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0) == one_atan && ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) == res) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && (\exists v_skolemized_q#valueAsBitvector_14 : bv64 :: ~fp~LONGDOUBLE(v_skolemized_q#valueAsBitvector_14[63:63], v_skolemized_q#valueAsBitvector_14[62:52], v_skolemized_q#valueAsBitvector_14[51:0]) == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) && msw == v_skolemized_q#valueAsBitvector_14[63:32])) && huge_atan == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0E300)) && aux-res == -0.0 && __signbit_double(res) == 1-aux) && x == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && \result == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && x == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && ~bvadd64(\result, 4294967295bv32) == 0bv32 - InvariantResult [Line: 78]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 21]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 139]: Loop Invariant [2021-10-11 02:23:07,755 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 02:23:07,756 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: ((((((~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0) == one_atan && ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) == res) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && huge_atan == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0E300)) && aux-res == -0.0 && __signbit_double(res) == 1-aux) && x == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && \result == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE())) && x == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) - InvariantResult [Line: 70]: Loop Invariant [2021-10-11 02:23:07,757 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 02:23:07,757 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: ((~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0) == one_atan && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && huge_atan == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0E300)) && x == ~fp.neg~DOUBLE(~Pluszero~LONGDOUBLE()) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 39 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 35.6s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 24.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 113 SDtfs, 123 SDslu, 128 SDs, 0 SdLazy, 61 SolverSat, 11 SolverUnsat, 7 SolverUnknown, 0 SolverNotchecked, 20.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 74 GetRequests, 49 SyntacticMatches, 1 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 5.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=39occurred in iteration=0, 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, 5 MinimizatonAttempts, 16 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 8 LocationsWithAnnotation, 8 PreInvPairs, 13 NumberOfFragments, 127 HoareAnnotationTreeSize, 8 FomulaSimplifications, 24 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 8 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 1.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 5.3s SatisfiabilityAnalysisTime, 3.7s InterpolantComputationTime, 70 NumberOfCodeBlocks, 70 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 65 ConstructedInterpolants, 5 QuantifiedInterpolants, 4761 SizeOfPredicates, 28 NumberOfNonLiveVariables, 613 ConjunctsInSsa, 37 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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 proved your program to be correct! [MP z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process Received shutdown request...