./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_0520.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c54e4fe-2da0-4b6e-b436-e1788c4fd4b5/bin/utaipan-eEHZpOm5b7/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c54e4fe-2da0-4b6e-b436-e1788c4fd4b5/bin/utaipan-eEHZpOm5b7/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c54e4fe-2da0-4b6e-b436-e1788c4fd4b5/bin/utaipan-eEHZpOm5b7/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c54e4fe-2da0-4b6e-b436-e1788c4fd4b5/bin/utaipan-eEHZpOm5b7/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0520.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c54e4fe-2da0-4b6e-b436-e1788c4fd4b5/bin/utaipan-eEHZpOm5b7/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c54e4fe-2da0-4b6e-b436-e1788c4fd4b5/bin/utaipan-eEHZpOm5b7 --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 ede17d368726923002c6ee89118c5c2a675da9d7d137c8a1165ddfd6c0359103 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-11-25 17:50:14,276 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-25 17:50:14,280 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-25 17:50:14,348 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-25 17:50:14,349 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-25 17:50:14,355 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-25 17:50:14,357 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-25 17:50:14,362 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-25 17:50:14,366 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-25 17:50:14,373 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-25 17:50:14,374 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-25 17:50:14,377 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-25 17:50:14,378 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-25 17:50:14,381 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-25 17:50:14,384 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-25 17:50:14,390 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-25 17:50:14,392 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-25 17:50:14,394 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-25 17:50:14,397 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-25 17:50:14,407 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-25 17:50:14,410 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-25 17:50:14,412 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-25 17:50:14,418 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-25 17:50:14,419 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-25 17:50:14,424 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-25 17:50:14,425 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-25 17:50:14,425 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-25 17:50:14,427 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-25 17:50:14,427 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-25 17:50:14,429 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-25 17:50:14,430 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-25 17:50:14,431 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-25 17:50:14,432 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-25 17:50:14,435 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-25 17:50:14,437 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-25 17:50:14,437 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-25 17:50:14,438 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-25 17:50:14,438 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-25 17:50:14,439 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-25 17:50:14,440 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-25 17:50:14,441 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-25 17:50:14,442 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c54e4fe-2da0-4b6e-b436-e1788c4fd4b5/bin/utaipan-eEHZpOm5b7/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-25 17:50:14,495 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-25 17:50:14,495 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-25 17:50:14,496 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-25 17:50:14,496 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-25 17:50:14,498 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-25 17:50:14,498 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-25 17:50:14,498 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-25 17:50:14,499 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-25 17:50:14,499 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-25 17:50:14,499 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-25 17:50:14,501 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-25 17:50:14,501 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-25 17:50:14,502 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-25 17:50:14,502 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-25 17:50:14,502 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-25 17:50:14,503 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-25 17:50:14,503 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-25 17:50:14,504 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-25 17:50:14,505 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-25 17:50:14,506 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-25 17:50:14,506 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-25 17:50:14,506 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-25 17:50:14,507 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-25 17:50:14,507 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-25 17:50:14,507 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-25 17:50:14,508 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-25 17:50:14,509 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-25 17:50:14,510 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-25 17:50:14,510 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-25 17:50:14,511 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-25 17:50:14,511 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-25 17:50:14,512 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-25 17:50:14,512 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 17:50:14,512 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-25 17:50:14,513 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-25 17:50:14,513 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-25 17:50:14,513 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-25 17:50:14,514 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-25 17:50:14,514 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-25 17:50:14,514 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-25 17:50:14,515 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-25 17:50:14,515 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_8c54e4fe-2da0-4b6e-b436-e1788c4fd4b5/bin/utaipan-eEHZpOm5b7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c54e4fe-2da0-4b6e-b436-e1788c4fd4b5/bin/utaipan-eEHZpOm5b7 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ede17d368726923002c6ee89118c5c2a675da9d7d137c8a1165ddfd6c0359103 [2021-11-25 17:50:14,932 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-25 17:50:14,991 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-25 17:50:14,995 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-25 17:50:14,997 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-25 17:50:15,002 INFO L275 PluginConnector]: CDTParser initialized [2021-11-25 17:50:15,004 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c54e4fe-2da0-4b6e-b436-e1788c4fd4b5/bin/utaipan-eEHZpOm5b7/../../sv-benchmarks/c/float-newlib/double_req_bl_0520.c [2021-11-25 17:50:15,101 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c54e4fe-2da0-4b6e-b436-e1788c4fd4b5/bin/utaipan-eEHZpOm5b7/data/794cab2c8/118a199ef54f43c4965f7cea319de3a6/FLAG02a03f32d [2021-11-25 17:50:15,845 INFO L306 CDTParser]: Found 1 translation units. [2021-11-25 17:50:15,845 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c54e4fe-2da0-4b6e-b436-e1788c4fd4b5/sv-benchmarks/c/float-newlib/double_req_bl_0520.c [2021-11-25 17:50:15,876 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c54e4fe-2da0-4b6e-b436-e1788c4fd4b5/bin/utaipan-eEHZpOm5b7/data/794cab2c8/118a199ef54f43c4965f7cea319de3a6/FLAG02a03f32d [2021-11-25 17:50:16,104 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c54e4fe-2da0-4b6e-b436-e1788c4fd4b5/bin/utaipan-eEHZpOm5b7/data/794cab2c8/118a199ef54f43c4965f7cea319de3a6 [2021-11-25 17:50:16,108 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-25 17:50:16,110 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-25 17:50:16,115 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-25 17:50:16,115 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-25 17:50:16,119 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-25 17:50:16,120 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:50:16" (1/1) ... [2021-11-25 17:50:16,122 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18a21fba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:50:16, skipping insertion in model container [2021-11-25 17:50:16,122 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:50:16" (1/1) ... [2021-11-25 17:50:16,130 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-25 17:50:16,200 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 17:50:16,692 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c54e4fe-2da0-4b6e-b436-e1788c4fd4b5/sv-benchmarks/c/float-newlib/double_req_bl_0520.c[16106,16119] [2021-11-25 17:50:16,694 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 17:50:16,726 INFO L203 MainTranslator]: Completed pre-run [2021-11-25 17:50:16,818 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c54e4fe-2da0-4b6e-b436-e1788c4fd4b5/sv-benchmarks/c/float-newlib/double_req_bl_0520.c[16106,16119] [2021-11-25 17:50:16,819 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 17:50:16,854 INFO L208 MainTranslator]: Completed translation [2021-11-25 17:50:16,855 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:50:16 WrapperNode [2021-11-25 17:50:16,855 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-25 17:50:16,856 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-25 17:50:16,856 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-25 17:50:16,856 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-25 17:50:16,864 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:50:16" (1/1) ... [2021-11-25 17:50:16,901 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:50:16" (1/1) ... [2021-11-25 17:50:16,989 INFO L137 Inliner]: procedures = 24, calls = 396, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 961 [2021-11-25 17:50:16,989 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-25 17:50:16,990 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-25 17:50:16,990 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-25 17:50:16,990 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-25 17:50:17,001 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:50:16" (1/1) ... [2021-11-25 17:50:17,001 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:50:16" (1/1) ... [2021-11-25 17:50:17,023 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:50:16" (1/1) ... [2021-11-25 17:50:17,023 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:50:16" (1/1) ... [2021-11-25 17:50:17,087 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:50:16" (1/1) ... [2021-11-25 17:50:17,124 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:50:16" (1/1) ... [2021-11-25 17:50:17,129 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:50:16" (1/1) ... [2021-11-25 17:50:17,135 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-25 17:50:17,138 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-25 17:50:17,139 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-25 17:50:17,139 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-25 17:50:17,140 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:50:16" (1/1) ... [2021-11-25 17:50:17,148 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 17:50:17,156 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c54e4fe-2da0-4b6e-b436-e1788c4fd4b5/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 17:50:17,167 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c54e4fe-2da0-4b6e-b436-e1788c4fd4b5/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-25 17:50:17,175 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c54e4fe-2da0-4b6e-b436-e1788c4fd4b5/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-25 17:50:17,215 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-25 17:50:17,216 INFO L130 BoogieDeclarations]: Found specification of procedure scalbn_double [2021-11-25 17:50:17,216 INFO L138 BoogieDeclarations]: Found implementation of procedure scalbn_double [2021-11-25 17:50:17,216 INFO L130 BoogieDeclarations]: Found specification of procedure copysign_double [2021-11-25 17:50:17,216 INFO L138 BoogieDeclarations]: Found implementation of procedure copysign_double [2021-11-25 17:50:17,216 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-25 17:50:17,216 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-25 17:50:17,217 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_double [2021-11-25 17:50:17,217 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_double [2021-11-25 17:50:17,217 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2021-11-25 17:50:17,217 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-25 17:50:17,217 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2021-11-25 17:50:17,217 INFO L130 BoogieDeclarations]: Found specification of procedure __kernel_tan [2021-11-25 17:50:17,218 INFO L138 BoogieDeclarations]: Found implementation of procedure __kernel_tan [2021-11-25 17:50:17,218 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-25 17:50:17,218 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-25 17:50:17,218 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-25 17:50:17,218 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2021-11-25 17:50:17,219 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-25 17:50:17,405 INFO L236 CfgBuilder]: Building ICFG [2021-11-25 17:50:17,407 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-25 17:50:18,381 INFO L277 CfgBuilder]: Performing block encoding [2021-11-25 17:50:18,611 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-25 17:50:18,611 INFO L301 CfgBuilder]: Removed 65 assume(true) statements. [2021-11-25 17:50:18,614 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:50:18 BoogieIcfgContainer [2021-11-25 17:50:18,615 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-25 17:50:18,617 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-25 17:50:18,617 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-25 17:50:18,626 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-25 17:50:18,626 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 05:50:16" (1/3) ... [2021-11-25 17:50:18,627 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7dffd8ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 05:50:18, skipping insertion in model container [2021-11-25 17:50:18,627 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:50:16" (2/3) ... [2021-11-25 17:50:18,627 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7dffd8ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 05:50:18, skipping insertion in model container [2021-11-25 17:50:18,628 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:50:18" (3/3) ... [2021-11-25 17:50:18,629 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0520.c [2021-11-25 17:50:18,636 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-25 17:50:18,637 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-25 17:50:18,702 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-25 17:50:18,714 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-25 17:50:18,714 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-25 17:50:18,744 INFO L276 IsEmpty]: Start isEmpty. Operand has 167 states, 150 states have (on average 1.7) internal successors, (255), 151 states have internal predecessors, (255), 11 states have call successors, (11), 4 states have call predecessors, (11), 4 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2021-11-25 17:50:18,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-25 17:50:18,749 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 17:50:18,749 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 17:50:18,750 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 17:50:18,755 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 17:50:18,755 INFO L85 PathProgramCache]: Analyzing trace with hash 1948291398, now seen corresponding path program 1 times [2021-11-25 17:50:18,765 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 17:50:18,766 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1143991552] [2021-11-25 17:50:18,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 17:50:18,767 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 17:50:18,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 17:50:19,108 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 17:50:19,109 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 17:50:19,109 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1143991552] [2021-11-25 17:50:19,110 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1143991552] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 17:50:19,110 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 17:50:19,111 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-25 17:50:19,113 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [414835198] [2021-11-25 17:50:19,114 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 17:50:19,119 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-25 17:50:19,119 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 17:50:19,150 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-25 17:50:19,151 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-25 17:50:19,155 INFO L87 Difference]: Start difference. First operand has 167 states, 150 states have (on average 1.7) internal successors, (255), 151 states have internal predecessors, (255), 11 states have call successors, (11), 4 states have call predecessors, (11), 4 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) Second operand has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 17:50:19,405 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 17:50:19,405 INFO L93 Difference]: Finished difference Result 333 states and 564 transitions. [2021-11-25 17:50:19,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-25 17:50:19,409 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2021-11-25 17:50:19,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 17:50:19,420 INFO L225 Difference]: With dead ends: 333 [2021-11-25 17:50:19,420 INFO L226 Difference]: Without dead ends: 165 [2021-11-25 17:50:19,427 INFO L932 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 [2021-11-25 17:50:19,431 INFO L933 BasicCegarLoop]: 175 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 175 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-11-25 17:50:19,433 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 175 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-11-25 17:50:19,454 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2021-11-25 17:50:19,485 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 165. [2021-11-25 17:50:19,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 165 states, 149 states have (on average 1.3758389261744965) internal successors, (205), 149 states have internal predecessors, (205), 11 states have call successors, (11), 4 states have call predecessors, (11), 4 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2021-11-25 17:50:19,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 165 states and 227 transitions. [2021-11-25 17:50:19,492 INFO L78 Accepts]: Start accepts. Automaton has 165 states and 227 transitions. Word has length 8 [2021-11-25 17:50:19,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 17:50:19,493 INFO L470 AbstractCegarLoop]: Abstraction has 165 states and 227 transitions. [2021-11-25 17:50:19,493 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 17:50:19,494 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 227 transitions. [2021-11-25 17:50:19,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-25 17:50:19,494 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 17:50:19,494 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 17:50:19,495 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-25 17:50:19,495 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 17:50:19,496 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 17:50:19,496 INFO L85 PathProgramCache]: Analyzing trace with hash 584012708, now seen corresponding path program 1 times [2021-11-25 17:50:19,496 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 17:50:19,496 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1955099654] [2021-11-25 17:50:19,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 17:50:19,497 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 17:50:19,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-25 17:50:19,603 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-25 17:50:19,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-25 17:50:19,804 INFO L133 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2021-11-25 17:50:19,804 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-11-25 17:50:19,807 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-11-25 17:50:19,809 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-25 17:50:19,813 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1] [2021-11-25 17:50:19,816 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-25 17:50:19,889 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 05:50:19 BoogieIcfgContainer [2021-11-25 17:50:19,890 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-25 17:50:19,890 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-25 17:50:19,891 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-25 17:50:19,892 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-25 17:50:19,895 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:50:18" (3/4) ... [2021-11-25 17:50:19,898 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-25 17:50:19,898 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-25 17:50:19,900 INFO L158 Benchmark]: Toolchain (without parser) took 3789.02ms. Allocated memory was 88.1MB in the beginning and 144.7MB in the end (delta: 56.6MB). Free memory was 51.4MB in the beginning and 105.2MB in the end (delta: -53.7MB). Peak memory consumption was 2.0MB. Max. memory is 16.1GB. [2021-11-25 17:50:19,902 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 88.1MB. Free memory is still 68.5MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-25 17:50:19,908 INFO L158 Benchmark]: CACSL2BoogieTranslator took 739.96ms. Allocated memory was 88.1MB in the beginning and 115.3MB in the end (delta: 27.3MB). Free memory was 51.2MB in the beginning and 74.0MB in the end (delta: -22.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-25 17:50:19,909 INFO L158 Benchmark]: Boogie Procedure Inliner took 133.49ms. Allocated memory is still 115.3MB. Free memory was 74.0MB in the beginning and 68.1MB in the end (delta: 5.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-25 17:50:19,910 INFO L158 Benchmark]: Boogie Preprocessor took 145.68ms. Allocated memory is still 115.3MB. Free memory was 68.1MB in the beginning and 61.8MB in the end (delta: 6.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-25 17:50:19,911 INFO L158 Benchmark]: RCFGBuilder took 1476.49ms. Allocated memory is still 115.3MB. Free memory was 61.8MB in the beginning and 55.0MB in the end (delta: 6.8MB). Peak memory consumption was 37.0MB. Max. memory is 16.1GB. [2021-11-25 17:50:19,917 INFO L158 Benchmark]: TraceAbstraction took 1272.88ms. Allocated memory was 115.3MB in the beginning and 144.7MB in the end (delta: 29.4MB). Free memory was 54.4MB in the beginning and 106.1MB in the end (delta: -51.8MB). Peak memory consumption was 19.7MB. Max. memory is 16.1GB. [2021-11-25 17:50:19,917 INFO L158 Benchmark]: Witness Printer took 8.08ms. Allocated memory is still 144.7MB. Free memory was 106.1MB in the beginning and 105.2MB in the end (delta: 966.6kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-25 17:50:19,922 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 88.1MB. Free memory is still 68.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 739.96ms. Allocated memory was 88.1MB in the beginning and 115.3MB in the end (delta: 27.3MB). Free memory was 51.2MB in the beginning and 74.0MB in the end (delta: -22.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 133.49ms. Allocated memory is still 115.3MB. Free memory was 74.0MB in the beginning and 68.1MB in the end (delta: 5.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 145.68ms. Allocated memory is still 115.3MB. Free memory was 68.1MB in the beginning and 61.8MB in the end (delta: 6.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 1476.49ms. Allocated memory is still 115.3MB. Free memory was 61.8MB in the beginning and 55.0MB in the end (delta: 6.8MB). Peak memory consumption was 37.0MB. Max. memory is 16.1GB. * TraceAbstraction took 1272.88ms. Allocated memory was 115.3MB in the beginning and 144.7MB in the end (delta: 29.4MB). Free memory was 54.4MB in the beginning and 106.1MB in the end (delta: -51.8MB). Peak memory consumption was 19.7MB. Max. memory is 16.1GB. * Witness Printer took 8.08ms. Allocated memory is still 144.7MB. Free memory was 106.1MB in the beginning and 105.2MB in the end (delta: 966.6kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 648]: 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 537, overapproximation of someBinaryArithmeticDOUBLEoperation at line 628, overapproximation of bitwiseAnd at line 623, overapproximation of someBinaryDOUBLEComparisonOperation at line 19. Possible FailurePath: [L21] static const double huge_floor = 1.0e300; [L107-L109] static const double two54_scalbn = 1.80143985094819840000e+16, twom54_scalbn = 5.55111512312578270212e-17, huge_scalbn = 1.0e+300, tiny_scalbn = 1.0e-300; [L178] static const int init_jk_krempio[] = {2, 3, 4, 6}; [L180-L185] static const double PIo2_krempio[] = { 1.57079625129699707031e+00, 7.54978941586159635335e-08, 5.39030252995776476554e-15, 3.28200341580791294123e-22, 1.27065575308067607349e-29, 1.22933308981111328932e-36, 2.73370053816464559624e-44, 2.16741683877804819444e-51, }; [L187-L189] static const double zero_krempio = 0.0, one_krempio = 1.0, two24_krempio = 1.67772160000000000000e+07, twon24_krempio = 5.96046447753906250000e-08; [L364-L375] static const __int32_t two_over_pi_rempio[] = { 0xA2F983, 0x6E4E44, 0x1529FC, 0x2757D1, 0xF534DD, 0xC0DB62, 0x95993C, 0x439041, 0xFE5163, 0xABDEBB, 0xC561B7, 0x246E3A, 0x424DD2, 0xE00649, 0x2EEA09, 0xD1921C, 0xFE1DEB, 0x1CB129, 0xA73EE8, 0x8235F5, 0x2EBB44, 0x84E99C, 0x7026B4, 0x5F7E41, 0x3991D6, 0x398353, 0x39F49C, 0x845F8B, 0xBDF928, 0x3B1FF8, 0x97FFDE, 0x05980F, 0xEF2F11, 0x8B5A0A, 0x6D1F6D, 0x367ECF, 0x27CB09, 0xB74F46, 0x3F669E, 0x5FEA2D, 0x7527BA, 0xC7EBE5, 0xF17B3D, 0x0739F7, 0x8A5292, 0xEA6BFB, 0x5FB11F, 0x8D5D08, 0x560330, 0x46FC7B, 0x6BABF0, 0xCFBC20, 0x9AF436, 0x1DA9E3, 0x91615E, 0xE61B08, 0x659985, 0x5F14A0, 0x68408D, 0xFFD880, 0x4D7327, 0x310606, 0x1556CA, 0x73A8C9, 0x60E27B, 0xC08C6B, }; [L377-L384] static const __int32_t npio2_hw_rempio[] = { 0x3FF921FB, 0x400921FB, 0x4012D97C, 0x401921FB, 0x401F6A7A, 0x4022D97C, 0x4025FDBB, 0x402921FB, 0x402C463A, 0x402F6A7A, 0x4031475C, 0x4032D97C, 0x40346B9C, 0x4035FDBB, 0x40378FDB, 0x403921FB, 0x403AB41B, 0x403C463A, 0x403DD85A, 0x403F6A7A, 0x40407E4C, 0x4041475C, 0x4042106C, 0x4042D97C, 0x4043A28C, 0x40446B9C, 0x404534AC, 0x4045FDBB, 0x4046C6CB, 0x40478FDB, 0x404858EB, 0x404921FB, }; [L386-L395] static const double zero_rempio = 0.00000000000000000000e+00, half_rempio = 5.00000000000000000000e-01, two24_rempio = 1.67772160000000000000e+07, invpio2_rempio = 6.36619772367581382433e-01, pio2_1_rempio = 1.57079632673412561417e+00, pio2_1t_rempio = 6.07710050650619224932e-11, pio2_2_rempio = 6.07710050630396597660e-11, pio2_2t_rempio = 2.02226624879595063154e-21, pio2_3_rempio = 2.02226624871116645580e-21, pio2_3t_rempio = 8.47842766036889956997e-32; [L528-L539] static const double one_ktan = 1.00000000000000000000e+00, pio4_ktan = 7.85398163397448278999e-01, pio4lo_ktan = 3.06161699786838301793e-17, T[] = { 3.33333333333334091986e-01, 1.33333333333201242699e-01, 5.39682539762260521377e-02, 2.18694882948595424599e-02, 8.86323982359930005737e-03, 3.59207910759131235356e-03, 1.45620945432529025516e-03, 5.88041240820264096874e-04, 2.46463134818469906812e-04, 7.81794442939557092300e-05, 7.14072491382608190305e-05, -1.85586374855275456654e-05, 2.59073051863633712884e-05, }; [L643] double x = 0.0 / 0.0; [L644] CALL, EXPR tan_double(x) [L614] double y[2], z = 0.0; [L615] __int32_t n, ix; VAL [\old(x)=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002, half_rempio=1/2, huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, init_jk_krempio={4:0}, invpio2_rempio=636619772367581382433/1000000000000000000000, npio2_hw_rempio={7:0}, one_krempio=1, one_ktan=1, pio2_1_rempio=157079632673412561417/100000000000000000000, pio2_1t_rempio=151927512662654806233/2500000000000000000000000000000, pio2_2_rempio=30385502531519829883/500000000000000000000000000000, pio2_2t_rempio=101113312439797531577/50000000000000000000000000000000000000000, pio2_3_rempio=10111331243555832279/5000000000000000000000000000000000000000, pio2_3t_rempio=847842766036889956997/10000000000000000000000000000000000000000000000000000, PIo2_krempio={5:0}, pio4_ktan=785398163397448278999/1000000000000000000000, pio4lo_ktan=306161699786838301793/10000000000000000000000000000000000000, T={8:0}, tiny_scalbn=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, two24_krempio=16777216, two24_rempio=16777216, two54_scalbn=18014398509481984, two_over_pi_rempio={6:0}, twom54_scalbn=138777878078144567553/2500000000000000000000000000000000000, twon24_krempio=1/16777216, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002, y={10:0}, z=0, zero_krempio=0, zero_rempio=0] [L618] ieee_double_shape_type gh_u; [L619] gh_u.value = (x) [L620] EXPR gh_u.parts.msw [L620] (ix) = gh_u.parts.msw [L623] ix &= 0x7fffffff VAL [\old(x)=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002, half_rempio=1/2, huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, init_jk_krempio={4:0}, invpio2_rempio=636619772367581382433/1000000000000000000000, npio2_hw_rempio={7:0}, one_krempio=1, one_ktan=1, pio2_1_rempio=157079632673412561417/100000000000000000000, pio2_1t_rempio=151927512662654806233/2500000000000000000000000000000, pio2_2_rempio=30385502531519829883/500000000000000000000000000000, pio2_2t_rempio=101113312439797531577/50000000000000000000000000000000000000000, pio2_3_rempio=10111331243555832279/5000000000000000000000000000000000000000, pio2_3t_rempio=847842766036889956997/10000000000000000000000000000000000000000000000000000, PIo2_krempio={5:0}, pio4_ktan=785398163397448278999/1000000000000000000000, pio4lo_ktan=306161699786838301793/10000000000000000000000000000000000000, T={8:0}, tiny_scalbn=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, two24_krempio=16777216, two24_rempio=16777216, two54_scalbn=18014398509481984, two_over_pi_rempio={6:0}, twom54_scalbn=138777878078144567553/2500000000000000000000000000000000000, twon24_krempio=1/16777216, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002, y={10:0}, z=0, zero_krempio=0, zero_rempio=0] [L624] COND FALSE !(ix <= 0x3fe921fb) VAL [\old(x)=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002, half_rempio=1/2, huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, init_jk_krempio={4:0}, invpio2_rempio=636619772367581382433/1000000000000000000000, ix=2146435072, npio2_hw_rempio={7:0}, one_krempio=1, one_ktan=1, pio2_1_rempio=157079632673412561417/100000000000000000000, pio2_1t_rempio=151927512662654806233/2500000000000000000000000000000, pio2_2_rempio=30385502531519829883/500000000000000000000000000000, pio2_2t_rempio=101113312439797531577/50000000000000000000000000000000000000000, pio2_3_rempio=10111331243555832279/5000000000000000000000000000000000000000, pio2_3t_rempio=847842766036889956997/10000000000000000000000000000000000000000000000000000, PIo2_krempio={5:0}, pio4_ktan=785398163397448278999/1000000000000000000000, pio4lo_ktan=306161699786838301793/10000000000000000000000000000000000000, T={8:0}, tiny_scalbn=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, two24_krempio=16777216, two24_rempio=16777216, two54_scalbn=18014398509481984, two_over_pi_rempio={6:0}, twom54_scalbn=138777878078144567553/2500000000000000000000000000000000000, twon24_krempio=1/16777216, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002, y={10:0}, z=0, zero_krempio=0, zero_rempio=0] [L627] COND TRUE ix >= 0x7ff00000 [L628] return x - x; [L628] return x - x; VAL [\old(x)=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002, half_rempio=1/2, huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, init_jk_krempio={4:0}, invpio2_rempio=636619772367581382433/1000000000000000000000, ix=2146435072, npio2_hw_rempio={7:0}, one_krempio=1, one_ktan=1, pio2_1_rempio=157079632673412561417/100000000000000000000, pio2_1t_rempio=151927512662654806233/2500000000000000000000000000000, pio2_2_rempio=30385502531519829883/500000000000000000000000000000, pio2_2t_rempio=101113312439797531577/50000000000000000000000000000000000000000, pio2_3_rempio=10111331243555832279/5000000000000000000000000000000000000000, pio2_3t_rempio=847842766036889956997/10000000000000000000000000000000000000000000000000000, PIo2_krempio={5:0}, pio4_ktan=785398163397448278999/1000000000000000000000, pio4lo_ktan=306161699786838301793/10000000000000000000000000000000000000, T={8:0}, tiny_scalbn=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, two24_krempio=16777216, two24_rempio=16777216, two54_scalbn=18014398509481984, two_over_pi_rempio={6:0}, twom54_scalbn=138777878078144567553/2500000000000000000000000000000000000, twon24_krempio=1/16777216, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002, z=0, zero_krempio=0, zero_rempio=0] [L644] RET, EXPR tan_double(x) [L644] double res = tan_double(x); [L647] CALL, EXPR isnan_double(res) [L19] return x != x; [L647] RET, EXPR isnan_double(res) [L647] COND TRUE !isnan_double(res) [L648] reach_error() VAL [half_rempio=1/2, huge_floor=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, huge_scalbn=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, init_jk_krempio={4:0}, invpio2_rempio=636619772367581382433/1000000000000000000000, npio2_hw_rempio={7:0}, one_krempio=1, one_ktan=1, pio2_1_rempio=157079632673412561417/100000000000000000000, pio2_1t_rempio=151927512662654806233/2500000000000000000000000000000, pio2_2_rempio=30385502531519829883/500000000000000000000000000000, pio2_2t_rempio=101113312439797531577/50000000000000000000000000000000000000000, pio2_3_rempio=10111331243555832279/5000000000000000000000000000000000000000, pio2_3t_rempio=847842766036889956997/10000000000000000000000000000000000000000000000000000, PIo2_krempio={5:0}, pio4_ktan=785398163397448278999/1000000000000000000000, pio4lo_ktan=306161699786838301793/10000000000000000000000000000000000000, res=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000003, T={8:0}, tiny_scalbn=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, two24_krempio=16777216, two24_rempio=16777216, two54_scalbn=18014398509481984, two_over_pi_rempio={6:0}, twom54_scalbn=138777878078144567553/2500000000000000000000000000000000000, twon24_krempio=1/16777216, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000002, zero_krempio=0, zero_rempio=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 167 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 175 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 54 IncrementalHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 175 mSDtfsCounter, 54 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, 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=167occurred in iteration=0, InterpolantAutomatonStates: 2, 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, 0.2s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 17 NumberOfCodeBlocks, 17 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 7 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 [2021-11-25 17:50:19,988 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c54e4fe-2da0-4b6e-b436-e1788c4fd4b5/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c54e4fe-2da0-4b6e-b436-e1788c4fd4b5/bin/utaipan-eEHZpOm5b7/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c54e4fe-2da0-4b6e-b436-e1788c4fd4b5/bin/utaipan-eEHZpOm5b7/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c54e4fe-2da0-4b6e-b436-e1788c4fd4b5/bin/utaipan-eEHZpOm5b7/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c54e4fe-2da0-4b6e-b436-e1788c4fd4b5/bin/utaipan-eEHZpOm5b7/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0520.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c54e4fe-2da0-4b6e-b436-e1788c4fd4b5/bin/utaipan-eEHZpOm5b7/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c54e4fe-2da0-4b6e-b436-e1788c4fd4b5/bin/utaipan-eEHZpOm5b7 --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 ede17d368726923002c6ee89118c5c2a675da9d7d137c8a1165ddfd6c0359103 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-11-25 17:50:22,450 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-25 17:50:22,452 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-25 17:50:22,491 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-25 17:50:22,491 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-25 17:50:22,495 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-25 17:50:22,498 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-25 17:50:22,506 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-25 17:50:22,510 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-25 17:50:22,517 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-25 17:50:22,518 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-25 17:50:22,520 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-25 17:50:22,520 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-25 17:50:22,521 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-25 17:50:22,523 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-25 17:50:22,524 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-25 17:50:22,525 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-25 17:50:22,526 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-25 17:50:22,528 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-25 17:50:22,530 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-25 17:50:22,532 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-25 17:50:22,534 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-25 17:50:22,535 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-25 17:50:22,536 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-25 17:50:22,540 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-25 17:50:22,540 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-25 17:50:22,541 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-25 17:50:22,542 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-25 17:50:22,542 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-25 17:50:22,543 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-25 17:50:22,544 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-25 17:50:22,545 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-25 17:50:22,546 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-25 17:50:22,547 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-25 17:50:22,548 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-25 17:50:22,548 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-25 17:50:22,549 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-25 17:50:22,550 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-25 17:50:22,550 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-25 17:50:22,551 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-25 17:50:22,552 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-25 17:50:22,553 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c54e4fe-2da0-4b6e-b436-e1788c4fd4b5/bin/utaipan-eEHZpOm5b7/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-11-25 17:50:22,582 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-25 17:50:22,582 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-25 17:50:22,583 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-25 17:50:22,583 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-25 17:50:22,584 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-25 17:50:22,584 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-25 17:50:22,584 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-25 17:50:22,585 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-25 17:50:22,585 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-25 17:50:22,585 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-25 17:50:22,585 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-25 17:50:22,586 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-25 17:50:22,586 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-25 17:50:22,587 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-25 17:50:22,587 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-25 17:50:22,587 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-25 17:50:22,587 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-25 17:50:22,588 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-25 17:50:22,588 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-25 17:50:22,588 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-25 17:50:22,588 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-25 17:50:22,588 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-25 17:50:22,589 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-25 17:50:22,589 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-25 17:50:22,589 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-25 17:50:22,589 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-25 17:50:22,589 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-25 17:50:22,590 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-25 17:50:22,590 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-25 17:50:22,590 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 17:50:22,590 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-25 17:50:22,590 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-25 17:50:22,591 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-25 17:50:22,591 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-25 17:50:22,591 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-25 17:50:22,591 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-25 17:50:22,591 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-25 17:50:22,592 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-25 17:50:22,592 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_8c54e4fe-2da0-4b6e-b436-e1788c4fd4b5/bin/utaipan-eEHZpOm5b7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c54e4fe-2da0-4b6e-b436-e1788c4fd4b5/bin/utaipan-eEHZpOm5b7 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ede17d368726923002c6ee89118c5c2a675da9d7d137c8a1165ddfd6c0359103 [2021-11-25 17:50:22,938 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-25 17:50:22,959 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-25 17:50:22,962 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-25 17:50:22,963 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-25 17:50:22,963 INFO L275 PluginConnector]: CDTParser initialized [2021-11-25 17:50:22,965 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c54e4fe-2da0-4b6e-b436-e1788c4fd4b5/bin/utaipan-eEHZpOm5b7/../../sv-benchmarks/c/float-newlib/double_req_bl_0520.c [2021-11-25 17:50:23,027 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c54e4fe-2da0-4b6e-b436-e1788c4fd4b5/bin/utaipan-eEHZpOm5b7/data/a3fb11ea4/624ba466219e4a3fa87c17b26939361b/FLAG2abdff387 [2021-11-25 17:50:23,690 INFO L306 CDTParser]: Found 1 translation units. [2021-11-25 17:50:23,691 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c54e4fe-2da0-4b6e-b436-e1788c4fd4b5/sv-benchmarks/c/float-newlib/double_req_bl_0520.c [2021-11-25 17:50:23,709 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c54e4fe-2da0-4b6e-b436-e1788c4fd4b5/bin/utaipan-eEHZpOm5b7/data/a3fb11ea4/624ba466219e4a3fa87c17b26939361b/FLAG2abdff387 [2021-11-25 17:50:23,999 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c54e4fe-2da0-4b6e-b436-e1788c4fd4b5/bin/utaipan-eEHZpOm5b7/data/a3fb11ea4/624ba466219e4a3fa87c17b26939361b [2021-11-25 17:50:24,002 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-25 17:50:24,004 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-25 17:50:24,005 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-25 17:50:24,006 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-25 17:50:24,020 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-25 17:50:24,021 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:50:24" (1/1) ... [2021-11-25 17:50:24,023 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@15241ddf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:50:24, skipping insertion in model container [2021-11-25 17:50:24,023 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:50:24" (1/1) ... [2021-11-25 17:50:24,030 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-25 17:50:24,108 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 17:50:24,565 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c54e4fe-2da0-4b6e-b436-e1788c4fd4b5/sv-benchmarks/c/float-newlib/double_req_bl_0520.c[16106,16119] [2021-11-25 17:50:24,575 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 17:50:24,606 INFO L203 MainTranslator]: Completed pre-run [2021-11-25 17:50:24,780 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c54e4fe-2da0-4b6e-b436-e1788c4fd4b5/sv-benchmarks/c/float-newlib/double_req_bl_0520.c[16106,16119] [2021-11-25 17:50:24,790 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 17:50:24,827 INFO L208 MainTranslator]: Completed translation [2021-11-25 17:50:24,827 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:50:24 WrapperNode [2021-11-25 17:50:24,828 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-25 17:50:24,829 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-25 17:50:24,829 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-25 17:50:24,829 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-25 17:50:24,836 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:50:24" (1/1) ... [2021-11-25 17:50:24,871 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:50:24" (1/1) ... [2021-11-25 17:50:24,921 INFO L137 Inliner]: procedures = 28, calls = 396, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 959 [2021-11-25 17:50:24,922 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-25 17:50:24,922 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-25 17:50:24,923 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-25 17:50:24,923 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-25 17:50:24,931 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:50:24" (1/1) ... [2021-11-25 17:50:24,932 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:50:24" (1/1) ... [2021-11-25 17:50:24,949 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:50:24" (1/1) ... [2021-11-25 17:50:24,949 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:50:24" (1/1) ... [2021-11-25 17:50:24,994 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:50:24" (1/1) ... [2021-11-25 17:50:25,015 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:50:24" (1/1) ... [2021-11-25 17:50:25,026 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:50:24" (1/1) ... [2021-11-25 17:50:25,049 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-25 17:50:25,051 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-25 17:50:25,055 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-25 17:50:25,056 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-25 17:50:25,057 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:50:24" (1/1) ... [2021-11-25 17:50:25,064 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 17:50:25,077 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c54e4fe-2da0-4b6e-b436-e1788c4fd4b5/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 17:50:25,096 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c54e4fe-2da0-4b6e-b436-e1788c4fd4b5/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-25 17:50:25,114 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c54e4fe-2da0-4b6e-b436-e1788c4fd4b5/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-25 17:50:25,185 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-25 17:50:25,185 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2021-11-25 17:50:25,185 INFO L130 BoogieDeclarations]: Found specification of procedure scalbn_double [2021-11-25 17:50:25,185 INFO L138 BoogieDeclarations]: Found implementation of procedure scalbn_double [2021-11-25 17:50:25,186 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2021-11-25 17:50:25,186 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-25 17:50:25,187 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-25 17:50:25,187 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-25 17:50:25,187 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_double [2021-11-25 17:50:25,187 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_double [2021-11-25 17:50:25,188 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2021-11-25 17:50:25,188 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-25 17:50:25,188 INFO L130 BoogieDeclarations]: Found specification of procedure __kernel_tan [2021-11-25 17:50:25,188 INFO L138 BoogieDeclarations]: Found implementation of procedure __kernel_tan [2021-11-25 17:50:25,188 INFO L130 BoogieDeclarations]: Found specification of procedure copysign_double [2021-11-25 17:50:25,189 INFO L138 BoogieDeclarations]: Found implementation of procedure copysign_double [2021-11-25 17:50:25,189 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-25 17:50:25,189 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-25 17:50:25,189 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-25 17:50:25,189 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-25 17:50:25,453 INFO L236 CfgBuilder]: Building ICFG [2021-11-25 17:50:25,455 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-25 17:51:27,392 INFO L277 CfgBuilder]: Performing block encoding [2021-11-25 17:51:27,404 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-25 17:51:27,405 INFO L301 CfgBuilder]: Removed 65 assume(true) statements. [2021-11-25 17:51:27,407 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:51:27 BoogieIcfgContainer [2021-11-25 17:51:27,408 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-25 17:51:27,409 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-25 17:51:27,410 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-25 17:51:27,414 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-25 17:51:27,414 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 05:50:24" (1/3) ... [2021-11-25 17:51:27,415 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1cfdf93d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 05:51:27, skipping insertion in model container [2021-11-25 17:51:27,416 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:50:24" (2/3) ... [2021-11-25 17:51:27,416 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1cfdf93d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 05:51:27, skipping insertion in model container [2021-11-25 17:51:27,416 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:51:27" (3/3) ... [2021-11-25 17:51:27,418 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0520.c [2021-11-25 17:51:27,423 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-25 17:51:27,423 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-25 17:51:27,496 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-25 17:51:27,504 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-25 17:51:27,505 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-25 17:51:27,548 INFO L276 IsEmpty]: Start isEmpty. Operand has 253 states, 236 states have (on average 1.673728813559322) internal successors, (395), 237 states have internal predecessors, (395), 11 states have call successors, (11), 4 states have call predecessors, (11), 4 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2021-11-25 17:51:27,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-25 17:51:27,554 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 17:51:27,555 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 17:51:27,556 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 17:51:27,562 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 17:51:27,563 INFO L85 PathProgramCache]: Analyzing trace with hash 926653483, now seen corresponding path program 1 times [2021-11-25 17:51:27,584 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-25 17:51:27,585 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [205216726] [2021-11-25 17:51:27,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 17:51:27,588 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-25 17:51:27,589 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c54e4fe-2da0-4b6e-b436-e1788c4fd4b5/bin/utaipan-eEHZpOm5b7/mathsat [2021-11-25 17:51:27,592 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c54e4fe-2da0-4b6e-b436-e1788c4fd4b5/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-25 17:51:27,599 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c54e4fe-2da0-4b6e-b436-e1788c4fd4b5/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-25 17:51:28,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 17:51:28,289 INFO L263 TraceCheckSpWp]: Trace formula consists of 248 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-25 17:51:28,294 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 17:51:28,542 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 17:51:28,543 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 17:51:28,543 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-25 17:51:28,544 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [205216726] [2021-11-25 17:51:28,544 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [205216726] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 17:51:28,544 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 17:51:28,545 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-25 17:51:28,547 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [783794429] [2021-11-25 17:51:28,548 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 17:51:28,553 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-25 17:51:28,554 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-25 17:51:28,585 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-25 17:51:28,586 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-25 17:51:28,591 INFO L87 Difference]: Start difference. First operand has 253 states, 236 states have (on average 1.673728813559322) internal successors, (395), 237 states have internal predecessors, (395), 11 states have call successors, (11), 4 states have call predecessors, (11), 4 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) Second operand has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 17:51:28,716 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 17:51:28,716 INFO L93 Difference]: Finished difference Result 504 states and 843 transitions. [2021-11-25 17:51:28,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-25 17:51:28,719 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2021-11-25 17:51:28,719 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 17:51:28,733 INFO L225 Difference]: With dead ends: 504 [2021-11-25 17:51:28,733 INFO L226 Difference]: Without dead ends: 250 [2021-11-25 17:51:28,741 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-25 17:51:28,746 INFO L933 BasicCegarLoop]: 351 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 351 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-25 17:51:28,747 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 351 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-25 17:51:28,774 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 250 states. [2021-11-25 17:51:28,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 250 to 250. [2021-11-25 17:51:28,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 250 states, 234 states have (on average 1.393162393162393) internal successors, (326), 234 states have internal predecessors, (326), 11 states have call successors, (11), 4 states have call predecessors, (11), 4 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2021-11-25 17:51:28,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 250 states and 348 transitions. [2021-11-25 17:51:28,825 INFO L78 Accepts]: Start accepts. Automaton has 250 states and 348 transitions. Word has length 10 [2021-11-25 17:51:28,826 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 17:51:28,826 INFO L470 AbstractCegarLoop]: Abstraction has 250 states and 348 transitions. [2021-11-25 17:51:28,826 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 17:51:28,827 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 348 transitions. [2021-11-25 17:51:28,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-25 17:51:28,828 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 17:51:28,828 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 17:51:28,848 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c54e4fe-2da0-4b6e-b436-e1788c4fd4b5/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-25 17:51:29,035 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c54e4fe-2da0-4b6e-b436-e1788c4fd4b5/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 [2021-11-25 17:51:29,036 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 17:51:29,037 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 17:51:29,040 INFO L85 PathProgramCache]: Analyzing trace with hash -69749587, now seen corresponding path program 1 times [2021-11-25 17:51:29,042 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-25 17:51:29,042 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [792577293] [2021-11-25 17:51:29,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 17:51:29,044 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-25 17:51:29,044 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c54e4fe-2da0-4b6e-b436-e1788c4fd4b5/bin/utaipan-eEHZpOm5b7/mathsat [2021-11-25 17:51:29,045 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c54e4fe-2da0-4b6e-b436-e1788c4fd4b5/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-25 17:51:29,053 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c54e4fe-2da0-4b6e-b436-e1788c4fd4b5/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-25 17:51:29,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 17:51:29,724 INFO L263 TraceCheckSpWp]: Trace formula consists of 261 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-25 17:51:29,726 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 17:51:31,754 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 17:51:31,755 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 17:51:31,755 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-25 17:51:31,755 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [792577293] [2021-11-25 17:51:31,756 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [792577293] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 17:51:31,756 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 17:51:31,756 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-25 17:51:31,756 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [815501045] [2021-11-25 17:51:31,757 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 17:51:31,770 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-25 17:51:31,771 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-25 17:51:31,772 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-25 17:51:31,772 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-11-25 17:51:31,773 INFO L87 Difference]: Start difference. First operand 250 states and 348 transitions. Second operand has 7 states, 7 states have (on average 1.5714285714285714) internal successors, (11), 6 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 17:51:38,374 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 17:51:41,507 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 17:51:43,617 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 17:51:45,743 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 17:51:46,839 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 17:51:49,104 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-25 17:51:52,201 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.10s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-25 17:51:55,195 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.63s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-25 17:51:58,287 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.74s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-25 17:52:01,554 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-25 17:52:03,564 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-25 17:52:06,412 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.36s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-25 17:52:08,811 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 17:52:11,229 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.42s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-25 17:52:13,840 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.96s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 17:52:16,180 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.34s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 17:52:18,709 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 17:52:21,433 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.30s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 17:52:23,860 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.43s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 17:52:26,702 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.70s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-25 17:52:28,970 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.27s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-25 17:52:30,523 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-25 17:52:33,505 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-25 17:52:35,968 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-25 17:52:39,947 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-25 17:52:43,803 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-25 17:52:47,428 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-25 17:52:50,570 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 17:52:53,460 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.69s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-25 17:52:56,152 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.20s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 17:52:58,528 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.38s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 17:53:00,761 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.23s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 17:53:03,141 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.75s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 17:53:05,454 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 17:53:08,448 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-25 17:53:09,808 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.35s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-25 17:53:10,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 17:53:10,305 INFO L93 Difference]: Finished difference Result 372 states and 509 transitions. [2021-11-25 17:53:10,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-25 17:53:10,307 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 1.5714285714285714) internal successors, (11), 6 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2021-11-25 17:53:10,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 17:53:10,313 INFO L225 Difference]: With dead ends: 372 [2021-11-25 17:53:10,314 INFO L226 Difference]: Without dead ends: 367 [2021-11-25 17:53:10,315 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-11-25 17:53:10,317 INFO L933 BasicCegarLoop]: 318 mSDtfsCounter, 275 mSDsluCounter, 1268 mSDsCounter, 0 mSdLazyCounter, 144 mSolverCounterSat, 7 mSolverCounterUnsat, 30 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 93.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 280 SdHoareTripleChecker+Valid, 1586 SdHoareTripleChecker+Invalid, 181 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 144 IncrementalHoareTripleChecker+Invalid, 30 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 97.4s IncrementalHoareTripleChecker+Time [2021-11-25 17:53:10,317 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [280 Valid, 1586 Invalid, 181 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 144 Invalid, 30 Unknown, 0 Unchecked, 97.4s Time] [2021-11-25 17:53:10,320 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 367 states. [2021-11-25 17:53:10,352 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 367 to 325. [2021-11-25 17:53:10,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 325 states, 299 states have (on average 1.3678929765886287) internal successors, (409), 304 states have internal predecessors, (409), 17 states have call successors, (17), 8 states have call predecessors, (17), 8 states have return successors, (20), 12 states have call predecessors, (20), 17 states have call successors, (20) [2021-11-25 17:53:10,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 325 states and 446 transitions. [2021-11-25 17:53:10,358 INFO L78 Accepts]: Start accepts. Automaton has 325 states and 446 transitions. Word has length 11 [2021-11-25 17:53:10,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 17:53:10,359 INFO L470 AbstractCegarLoop]: Abstraction has 325 states and 446 transitions. [2021-11-25 17:53:10,359 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 1.5714285714285714) internal successors, (11), 6 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 17:53:10,359 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 446 transitions. [2021-11-25 17:53:10,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-25 17:53:10,361 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 17:53:10,361 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 17:53:10,387 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c54e4fe-2da0-4b6e-b436-e1788c4fd4b5/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2021-11-25 17:53:10,581 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c54e4fe-2da0-4b6e-b436-e1788c4fd4b5/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 [2021-11-25 17:53:10,582 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 17:53:10,582 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 17:53:10,582 INFO L85 PathProgramCache]: Analyzing trace with hash -645544696, now seen corresponding path program 1 times [2021-11-25 17:53:10,584 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-25 17:53:10,584 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [881564758] [2021-11-25 17:53:10,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 17:53:10,584 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-25 17:53:10,585 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c54e4fe-2da0-4b6e-b436-e1788c4fd4b5/bin/utaipan-eEHZpOm5b7/mathsat [2021-11-25 17:53:10,586 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c54e4fe-2da0-4b6e-b436-e1788c4fd4b5/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-25 17:53:10,620 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c54e4fe-2da0-4b6e-b436-e1788c4fd4b5/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-25 17:53:18,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 17:53:18,507 INFO L263 TraceCheckSpWp]: Trace formula consists of 299 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-25 17:53:18,511 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 17:53:22,580 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 17:53:22,581 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 17:53:22,581 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-25 17:53:22,581 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [881564758] [2021-11-25 17:53:22,581 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [881564758] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 17:53:22,582 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 17:53:22,583 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-25 17:53:22,583 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2137736565] [2021-11-25 17:53:22,583 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 17:53:22,584 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-25 17:53:22,584 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-25 17:53:22,585 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-25 17:53:22,585 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=12, Unknown=1, NotChecked=0, Total=20 [2021-11-25 17:53:22,585 INFO L87 Difference]: Start difference. First operand 325 states and 446 transitions. Second operand has 5 states, 5 states have (on average 4.0) internal successors, (20), 5 states have internal predecessors, (20), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-25 17:53:22,605 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 17:53:22,605 INFO L93 Difference]: Finished difference Result 368 states and 494 transitions. [2021-11-25 17:53:22,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-25 17:53:22,606 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.0) internal successors, (20), 5 states have internal predecessors, (20), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 22 [2021-11-25 17:53:22,606 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 17:53:22,610 INFO L225 Difference]: With dead ends: 368 [2021-11-25 17:53:22,610 INFO L226 Difference]: Without dead ends: 323 [2021-11-25 17:53:22,612 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=7, Invalid=12, Unknown=1, NotChecked=0, Total=20 [2021-11-25 17:53:22,613 INFO L933 BasicCegarLoop]: 340 mSDtfsCounter, 0 mSDsluCounter, 1013 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1353 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 8 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-25 17:53:22,614 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 1353 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 8 Unchecked, 0.0s Time] [2021-11-25 17:53:22,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 323 states. [2021-11-25 17:53:22,642 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 323 to 323. [2021-11-25 17:53:22,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 323 states, 298 states have (on average 1.3657718120805369) internal successors, (407), 303 states have internal predecessors, (407), 16 states have call successors, (16), 8 states have call predecessors, (16), 8 states have return successors, (18), 11 states have call predecessors, (18), 16 states have call successors, (18) [2021-11-25 17:53:22,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 323 states and 441 transitions. [2021-11-25 17:53:22,647 INFO L78 Accepts]: Start accepts. Automaton has 323 states and 441 transitions. Word has length 22 [2021-11-25 17:53:22,648 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 17:53:22,648 INFO L470 AbstractCegarLoop]: Abstraction has 323 states and 441 transitions. [2021-11-25 17:53:22,648 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.0) internal successors, (20), 5 states have internal predecessors, (20), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-25 17:53:22,649 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 441 transitions. [2021-11-25 17:53:22,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-25 17:53:22,651 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 17:53:22,652 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 17:53:22,771 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c54e4fe-2da0-4b6e-b436-e1788c4fd4b5/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2021-11-25 17:53:22,865 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c54e4fe-2da0-4b6e-b436-e1788c4fd4b5/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 [2021-11-25 17:53:22,866 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 17:53:22,867 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 17:53:22,867 INFO L85 PathProgramCache]: Analyzing trace with hash 1365248396, now seen corresponding path program 1 times [2021-11-25 17:53:22,868 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-25 17:53:22,868 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [669265634] [2021-11-25 17:53:22,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 17:53:22,869 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-25 17:53:22,869 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c54e4fe-2da0-4b6e-b436-e1788c4fd4b5/bin/utaipan-eEHZpOm5b7/mathsat [2021-11-25 17:53:22,870 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c54e4fe-2da0-4b6e-b436-e1788c4fd4b5/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-25 17:53:22,874 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c54e4fe-2da0-4b6e-b436-e1788c4fd4b5/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-11-25 17:53:30,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 17:53:30,611 INFO L263 TraceCheckSpWp]: Trace formula consists of 347 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-25 17:53:30,614 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 17:53:33,505 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 17:53:33,505 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 17:53:33,505 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-25 17:53:33,505 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [669265634] [2021-11-25 17:53:33,506 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [669265634] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 17:53:33,506 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 17:53:33,506 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-25 17:53:33,506 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1687643837] [2021-11-25 17:53:33,506 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 17:53:33,507 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-25 17:53:33,507 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-25 17:53:33,507 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-25 17:53:33,508 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-25 17:53:33,508 INFO L87 Difference]: Start difference. First operand 323 states and 441 transitions. Second operand has 6 states, 6 states have (on average 4.333333333333333) internal successors, (26), 6 states have internal predecessors, (26), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-25 17:53:33,547 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 17:53:33,547 INFO L93 Difference]: Finished difference Result 369 states and 494 transitions. [2021-11-25 17:53:33,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-25 17:53:33,548 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.333333333333333) internal successors, (26), 6 states have internal predecessors, (26), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 28 [2021-11-25 17:53:33,548 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 17:53:33,551 INFO L225 Difference]: With dead ends: 369 [2021-11-25 17:53:33,552 INFO L226 Difference]: Without dead ends: 323 [2021-11-25 17:53:33,553 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-25 17:53:33,554 INFO L933 BasicCegarLoop]: 337 mSDtfsCounter, 0 mSDsluCounter, 1319 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1656 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 29 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-25 17:53:33,555 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 1656 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 29 Unchecked, 0.0s Time] [2021-11-25 17:53:33,557 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 323 states. [2021-11-25 17:53:33,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 323 to 323. [2021-11-25 17:53:33,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 323 states, 298 states have (on average 1.3624161073825503) internal successors, (406), 303 states have internal predecessors, (406), 16 states have call successors, (16), 8 states have call predecessors, (16), 8 states have return successors, (18), 11 states have call predecessors, (18), 16 states have call successors, (18) [2021-11-25 17:53:33,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 323 states and 440 transitions. [2021-11-25 17:53:33,583 INFO L78 Accepts]: Start accepts. Automaton has 323 states and 440 transitions. Word has length 28 [2021-11-25 17:53:33,584 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 17:53:33,584 INFO L470 AbstractCegarLoop]: Abstraction has 323 states and 440 transitions. [2021-11-25 17:53:33,584 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.333333333333333) internal successors, (26), 6 states have internal predecessors, (26), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-25 17:53:33,584 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 440 transitions. [2021-11-25 17:53:33,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-25 17:53:33,587 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 17:53:33,587 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 17:53:33,737 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c54e4fe-2da0-4b6e-b436-e1788c4fd4b5/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2021-11-25 17:53:33,802 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c54e4fe-2da0-4b6e-b436-e1788c4fd4b5/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 [2021-11-25 17:53:33,802 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 17:53:33,803 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 17:53:33,803 INFO L85 PathProgramCache]: Analyzing trace with hash 1320077549, now seen corresponding path program 1 times [2021-11-25 17:53:33,804 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-25 17:53:33,804 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1585906681] [2021-11-25 17:53:33,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 17:53:33,805 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-25 17:53:33,805 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c54e4fe-2da0-4b6e-b436-e1788c4fd4b5/bin/utaipan-eEHZpOm5b7/mathsat [2021-11-25 17:53:33,806 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c54e4fe-2da0-4b6e-b436-e1788c4fd4b5/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-25 17:53:33,810 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c54e4fe-2da0-4b6e-b436-e1788c4fd4b5/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-11-25 17:53:40,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 17:53:41,340 INFO L263 TraceCheckSpWp]: Trace formula consists of 350 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-25 17:53:41,345 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 17:53:45,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:53:45,990 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 18 [2021-11-25 17:53:46,652 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-25 17:53:46,653 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 48 treesize of output 20 [2021-11-25 17:53:51,477 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 17:53:51,477 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 17:53:51,477 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-25 17:53:51,478 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1585906681] [2021-11-25 17:53:51,478 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1585906681] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 17:53:51,478 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 17:53:51,478 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-11-25 17:53:51,478 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [637397391] [2021-11-25 17:53:51,479 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 17:53:51,479 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-11-25 17:53:51,479 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-25 17:53:51,480 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-11-25 17:53:51,480 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2021-11-25 17:53:51,481 INFO L87 Difference]: Start difference. First operand 323 states and 440 transitions. Second operand has 11 states, 10 states have (on average 2.9) internal successors, (29), 10 states have internal predecessors, (29), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-25 17:53:55,987 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.57s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 17:53:58,210 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 17:54:00,368 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 17:54:02,479 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 17:54:04,634 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 17:54:07,262 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.21s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 17:54:09,657 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.39s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-25 17:54:11,870 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.21s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-25 17:54:16,831 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 17:54:18,876 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 17:54:20,966 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 17:54:24,772 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.80s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-25 17:54:26,777 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-25 17:54:28,818 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-25 17:54:30,156 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.34s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 17:54:33,198 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.64s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-25 17:54:35,206 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-25 17:54:37,226 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-25 17:54:38,760 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.53s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 17:54:41,747 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.78s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-25 17:54:43,749 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-25 17:54:45,763 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-25 17:54:48,265 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.50s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 17:54:50,273 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 17:54:53,181 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.39s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-25 17:54:55,187 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-25 17:54:57,483 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.30s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 17:55:00,201 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.29s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 17:55:02,206 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 17:55:05,098 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.89s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-25 17:55:07,105 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-25 17:55:09,620 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.51s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 17:55:11,766 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-25 17:55:12,873 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-25 17:55:14,959 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-25 17:55:18,896 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-25 17:55:22,466 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-25 17:55:24,147 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.68s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-25 17:55:26,299 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-25 17:55:29,385 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-25 17:55:32,528 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-25 17:55:35,718 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-25 17:55:40,739 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-25 17:55:43,698 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 17:55:45,701 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 17:55:48,674 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.27s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 17:55:50,678 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 17:55:52,986 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.31s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 17:55:54,992 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 17:55:57,185 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.19s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 17:55:59,191 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 17:56:02,240 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 17:56:04,245 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 17:56:07,034 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 17:56:08,868 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.83s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 17:56:11,953 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-25 17:56:14,054 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-25 17:56:14,055 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 17:56:14,055 INFO L93 Difference]: Finished difference Result 387 states and 524 transitions. [2021-11-25 17:56:14,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-25 17:56:14,090 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 2.9) internal successors, (29), 10 states have internal predecessors, (29), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 31 [2021-11-25 17:56:14,091 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 17:56:14,094 INFO L225 Difference]: With dead ends: 387 [2021-11-25 17:56:14,094 INFO L226 Difference]: Without dead ends: 381 [2021-11-25 17:56:14,094 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 6.3s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2021-11-25 17:56:14,095 INFO L933 BasicCegarLoop]: 305 mSDtfsCounter, 226 mSDsluCounter, 2342 mSDsCounter, 0 mSdLazyCounter, 118 mSolverCounterSat, 8 mSolverCounterUnsat, 50 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 136.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 227 SdHoareTripleChecker+Valid, 2647 SdHoareTripleChecker+Invalid, 419 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 118 IncrementalHoareTripleChecker+Invalid, 50 IncrementalHoareTripleChecker+Unknown, 243 IncrementalHoareTripleChecker+Unchecked, 140.9s IncrementalHoareTripleChecker+Time [2021-11-25 17:56:14,096 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [227 Valid, 2647 Invalid, 419 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 118 Invalid, 50 Unknown, 243 Unchecked, 140.9s Time] [2021-11-25 17:56:14,097 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 381 states. [2021-11-25 17:56:14,113 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 381 to 320. [2021-11-25 17:56:14,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 320 states, 296 states have (on average 1.3614864864864864) internal successors, (403), 301 states have internal predecessors, (403), 15 states have call successors, (15), 7 states have call predecessors, (15), 8 states have return successors, (17), 11 states have call predecessors, (17), 15 states have call successors, (17) [2021-11-25 17:56:14,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 320 states and 435 transitions. [2021-11-25 17:56:14,117 INFO L78 Accepts]: Start accepts. Automaton has 320 states and 435 transitions. Word has length 31 [2021-11-25 17:56:14,118 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 17:56:14,118 INFO L470 AbstractCegarLoop]: Abstraction has 320 states and 435 transitions. [2021-11-25 17:56:14,118 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 2.9) internal successors, (29), 10 states have internal predecessors, (29), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-25 17:56:14,118 INFO L276 IsEmpty]: Start isEmpty. Operand 320 states and 435 transitions. [2021-11-25 17:56:14,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-25 17:56:14,120 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 17:56:14,121 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 17:56:14,215 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c54e4fe-2da0-4b6e-b436-e1788c4fd4b5/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 (6)] Ended with exit code 0 [2021-11-25 17:56:14,341 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c54e4fe-2da0-4b6e-b436-e1788c4fd4b5/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 [2021-11-25 17:56:14,342 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 17:56:14,342 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 17:56:14,342 INFO L85 PathProgramCache]: Analyzing trace with hash 413768606, now seen corresponding path program 1 times [2021-11-25 17:56:14,343 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-25 17:56:14,343 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1089593331] [2021-11-25 17:56:14,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 17:56:14,343 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-25 17:56:14,343 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c54e4fe-2da0-4b6e-b436-e1788c4fd4b5/bin/utaipan-eEHZpOm5b7/mathsat [2021-11-25 17:56:14,344 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c54e4fe-2da0-4b6e-b436-e1788c4fd4b5/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-25 17:56:14,345 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c54e4fe-2da0-4b6e-b436-e1788c4fd4b5/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-11-25 17:56:20,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 17:56:20,898 INFO L263 TraceCheckSpWp]: Trace formula consists of 351 conjuncts, 26 conjunts are in the unsatisfiable core [2021-11-25 17:56:20,901 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 17:56:25,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-25 17:56:25,058 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 18 [2021-11-25 17:56:25,604 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-25 17:56:25,604 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 48 treesize of output 20 [2021-11-25 17:56:30,192 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 17:56:30,192 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 17:56:30,192 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-25 17:56:30,192 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1089593331] [2021-11-25 17:56:30,192 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1089593331] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 17:56:30,193 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 17:56:30,193 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-11-25 17:56:30,193 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1854857317] [2021-11-25 17:56:30,193 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 17:56:30,193 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-11-25 17:56:30,193 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-25 17:56:30,194 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-11-25 17:56:30,194 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2021-11-25 17:56:30,194 INFO L87 Difference]: Start difference. First operand 320 states and 435 transitions. Second operand has 11 states, 10 states have (on average 3.0) internal successors, (30), 10 states have internal predecessors, (30), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-25 17:56:34,580 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.54s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 17:56:36,759 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 17:56:38,881 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 17:56:45,028 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.94s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 17:56:47,034 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 17:56:49,946 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.91s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 17:56:52,287 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.34s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-25 17:56:54,467 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.18s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-25 17:56:57,508 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.94s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-25 17:56:59,510 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-25 17:57:01,731 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 17:57:04,479 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.62s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-25 17:57:06,488 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-25 17:57:08,926 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.44s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 17:57:11,329 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.40s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-25 17:57:13,818 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 17:57:16,584 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.24s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 17:57:18,915 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.33s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 17:57:21,161 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-25 17:57:23,486 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-25 17:57:26,083 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-25 17:57:28,387 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-25 17:57:31,389 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-25 17:57:35,651 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-25 17:57:38,690 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 17:57:41,332 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.21s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 17:57:43,620 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.29s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 17:57:45,822 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.20s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 17:57:48,626 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 17:57:50,108 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 17:57:52,842 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-25 17:57:54,859 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-25 17:57:56,714 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.85s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-25 17:57:58,792 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-25 17:58:00,901 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2021-11-25 17:58:00,902 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 17:58:00,902 INFO L93 Difference]: Finished difference Result 350 states and 468 transitions. [2021-11-25 17:58:00,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-25 17:58:00,941 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 3.0) internal successors, (30), 10 states have internal predecessors, (30), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 32 [2021-11-25 17:58:00,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 17:58:00,944 INFO L225 Difference]: With dead ends: 350 [2021-11-25 17:58:00,944 INFO L226 Difference]: Without dead ends: 344 [2021-11-25 17:58:00,944 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 6.3s TimeCoverageRelationStatistics Valid=37, Invalid=145, Unknown=0, NotChecked=0, Total=182 [2021-11-25 17:58:00,945 INFO L933 BasicCegarLoop]: 334 mSDtfsCounter, 215 mSDsluCounter, 2224 mSDsCounter, 0 mSdLazyCounter, 77 mSolverCounterSat, 4 mSolverCounterUnsat, 31 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 85.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 217 SdHoareTripleChecker+Valid, 2558 SdHoareTripleChecker+Invalid, 312 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 77 IncrementalHoareTripleChecker+Invalid, 31 IncrementalHoareTripleChecker+Unknown, 200 IncrementalHoareTripleChecker+Unchecked, 88.7s IncrementalHoareTripleChecker+Time [2021-11-25 17:58:00,946 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [217 Valid, 2558 Invalid, 312 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 77 Invalid, 31 Unknown, 200 Unchecked, 88.7s Time] [2021-11-25 17:58:00,947 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 344 states. [2021-11-25 17:58:00,961 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 344 to 322. [2021-11-25 17:58:00,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 322 states, 298 states have (on average 1.3624161073825503) internal successors, (406), 303 states have internal predecessors, (406), 15 states have call successors, (15), 7 states have call predecessors, (15), 8 states have return successors, (17), 11 states have call predecessors, (17), 15 states have call successors, (17) [2021-11-25 17:58:00,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 322 states and 438 transitions. [2021-11-25 17:58:00,966 INFO L78 Accepts]: Start accepts. Automaton has 322 states and 438 transitions. Word has length 32 [2021-11-25 17:58:00,966 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 17:58:00,966 INFO L470 AbstractCegarLoop]: Abstraction has 322 states and 438 transitions. [2021-11-25 17:58:00,966 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 3.0) internal successors, (30), 10 states have internal predecessors, (30), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-25 17:58:00,967 INFO L276 IsEmpty]: Start isEmpty. Operand 322 states and 438 transitions. [2021-11-25 17:58:00,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-25 17:58:00,968 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 17:58:00,968 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 17:58:01,098 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c54e4fe-2da0-4b6e-b436-e1788c4fd4b5/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 (7)] Ended with exit code 0 [2021-11-25 17:58:01,181 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c54e4fe-2da0-4b6e-b436-e1788c4fd4b5/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 [2021-11-25 17:58:01,182 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 17:58:01,182 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 17:58:01,182 INFO L85 PathProgramCache]: Analyzing trace with hash -974370973, now seen corresponding path program 1 times [2021-11-25 17:58:01,183 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-25 17:58:01,183 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1674911381] [2021-11-25 17:58:01,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 17:58:01,183 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-25 17:58:01,183 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c54e4fe-2da0-4b6e-b436-e1788c4fd4b5/bin/utaipan-eEHZpOm5b7/mathsat [2021-11-25 17:58:01,184 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c54e4fe-2da0-4b6e-b436-e1788c4fd4b5/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-25 17:58:01,185 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c54e4fe-2da0-4b6e-b436-e1788c4fd4b5/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-11-25 17:58:07,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 17:58:08,057 INFO L263 TraceCheckSpWp]: Trace formula consists of 351 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-25 17:58:08,061 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 17:58:11,146 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 17:58:11,146 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 17:58:11,146 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-25 17:58:11,146 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1674911381] [2021-11-25 17:58:11,147 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1674911381] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 17:58:11,147 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 17:58:11,147 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-25 17:58:11,147 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1269166081] [2021-11-25 17:58:11,147 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 17:58:11,148 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-25 17:58:11,148 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-25 17:58:11,148 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-25 17:58:11,148 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-25 17:58:11,149 INFO L87 Difference]: Start difference. First operand 322 states and 438 transitions. Second operand has 6 states, 6 states have (on average 5.0) internal successors, (30), 6 states have internal predecessors, (30), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-25 17:58:11,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 17:58:11,168 INFO L93 Difference]: Finished difference Result 379 states and 506 transitions. [2021-11-25 17:58:11,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-25 17:58:11,168 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.0) internal successors, (30), 6 states have internal predecessors, (30), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 32 [2021-11-25 17:58:11,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 17:58:11,171 INFO L225 Difference]: With dead ends: 379 [2021-11-25 17:58:11,171 INFO L226 Difference]: Without dead ends: 317 [2021-11-25 17:58:11,172 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-25 17:58:11,173 INFO L933 BasicCegarLoop]: 327 mSDtfsCounter, 0 mSDsluCounter, 1289 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1616 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 20 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-25 17:58:11,173 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 1616 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 20 Unchecked, 0.0s Time] [2021-11-25 17:58:11,174 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 317 states. [2021-11-25 17:58:11,187 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 317 to 317. [2021-11-25 17:58:11,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 317 states, 293 states have (on average 1.3549488054607508) internal successors, (397), 298 states have internal predecessors, (397), 15 states have call successors, (15), 7 states have call predecessors, (15), 8 states have return successors, (17), 11 states have call predecessors, (17), 15 states have call successors, (17) [2021-11-25 17:58:11,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 317 states and 429 transitions. [2021-11-25 17:58:11,191 INFO L78 Accepts]: Start accepts. Automaton has 317 states and 429 transitions. Word has length 32 [2021-11-25 17:58:11,191 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 17:58:11,191 INFO L470 AbstractCegarLoop]: Abstraction has 317 states and 429 transitions. [2021-11-25 17:58:11,191 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.0) internal successors, (30), 6 states have internal predecessors, (30), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-25 17:58:11,192 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states and 429 transitions. [2021-11-25 17:58:11,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-25 17:58:11,193 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 17:58:11,193 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 17:58:11,335 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c54e4fe-2da0-4b6e-b436-e1788c4fd4b5/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2021-11-25 17:58:11,417 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c54e4fe-2da0-4b6e-b436-e1788c4fd4b5/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 [2021-11-25 17:58:11,418 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-25 17:58:11,418 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 17:58:11,418 INFO L85 PathProgramCache]: Analyzing trace with hash -536136206, now seen corresponding path program 1 times [2021-11-25 17:58:11,419 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-25 17:58:11,419 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [347943718] [2021-11-25 17:58:11,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 17:58:11,419 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-25 17:58:11,419 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c54e4fe-2da0-4b6e-b436-e1788c4fd4b5/bin/utaipan-eEHZpOm5b7/mathsat [2021-11-25 17:58:11,421 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c54e4fe-2da0-4b6e-b436-e1788c4fd4b5/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-25 17:58:11,437 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c54e4fe-2da0-4b6e-b436-e1788c4fd4b5/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-11-25 17:58:17,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 17:58:18,271 INFO L263 TraceCheckSpWp]: Trace formula consists of 357 conjuncts, 10 conjunts are in the unsatisfiable core [2021-11-25 17:58:18,273 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 17:58:22,737 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-25 17:58:22,738 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 17:58:22,738 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-25 17:58:22,738 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [347943718] [2021-11-25 17:58:22,738 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [347943718] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 17:58:22,738 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 17:58:22,738 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-25 17:58:22,739 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [696588874] [2021-11-25 17:58:22,739 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 17:58:22,739 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-25 17:58:22,739 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-25 17:58:22,740 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-25 17:58:22,740 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=12, Unknown=1, NotChecked=0, Total=20 [2021-11-25 17:58:22,740 INFO L87 Difference]: Start difference. First operand 317 states and 429 transitions. Second operand has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-25 17:58:22,746 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 17:58:22,746 INFO L93 Difference]: Finished difference Result 317 states and 429 transitions. [2021-11-25 17:58:22,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-25 17:58:22,747 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 33 [2021-11-25 17:58:22,747 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 17:58:22,747 INFO L225 Difference]: With dead ends: 317 [2021-11-25 17:58:22,747 INFO L226 Difference]: Without dead ends: 0 [2021-11-25 17:58:22,748 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=7, Invalid=12, Unknown=1, NotChecked=0, Total=20 [2021-11-25 17:58:22,749 INFO L933 BasicCegarLoop]: 3 mSDtfsCounter, 0 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 8 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 5 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-25 17:58:22,750 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 8 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 5 Unchecked, 0.0s Time] [2021-11-25 17:58:22,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-25 17:58:22,750 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-25 17:58:22,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-25 17:58:22,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-25 17:58:22,751 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 33 [2021-11-25 17:58:22,751 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 17:58:22,751 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-25 17:58:22,751 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-11-25 17:58:22,752 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-25 17:58:22,752 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-25 17:58:22,754 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-11-25 17:58:22,885 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c54e4fe-2da0-4b6e-b436-e1788c4fd4b5/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2021-11-25 17:58:22,969 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c54e4fe-2da0-4b6e-b436-e1788c4fd4b5/bin/utaipan-eEHZpOm5b7/mathsat -unsat_core_generation=3 [2021-11-25 17:58:22,971 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-11-25 17:58:25,392 INFO L861 garLoopResultBuilder]: At program point L151(line 151) the Hoare annotation is: true [2021-11-25 17:58:25,393 INFO L858 garLoopResultBuilder]: For program point L151-1(line 151) no Hoare annotation was computed. [2021-11-25 17:58:25,393 INFO L858 garLoopResultBuilder]: For program point L147(lines 147 152) no Hoare annotation was computed. [2021-11-25 17:58:25,393 INFO L858 garLoopResultBuilder]: For program point scalbn_doubleFINAL(lines 111 161) no Hoare annotation was computed. [2021-11-25 17:58:25,393 INFO L858 garLoopResultBuilder]: For program point L139-1(lines 139 144) no Hoare annotation was computed. [2021-11-25 17:58:25,393 INFO L861 garLoopResultBuilder]: At program point L139-2(lines 139 144) the Hoare annotation is: true [2021-11-25 17:58:25,393 INFO L858 garLoopResultBuilder]: For program point L139-3(lines 139 144) no Hoare annotation was computed. [2021-11-25 17:58:25,394 INFO L858 garLoopResultBuilder]: For program point L148(lines 148 151) no Hoare annotation was computed. [2021-11-25 17:58:25,394 INFO L858 garLoopResultBuilder]: For program point scalbn_doubleEXIT(lines 111 161) no Hoare annotation was computed. [2021-11-25 17:58:25,394 INFO L858 garLoopResultBuilder]: For program point L136(lines 136 137) no Hoare annotation was computed. [2021-11-25 17:58:25,394 INFO L861 garLoopResultBuilder]: At program point scalbn_doubleENTRY(lines 111 161) the Hoare annotation is: true [2021-11-25 17:58:25,394 INFO L858 garLoopResultBuilder]: For program point L124-1(lines 124 128) no Hoare annotation was computed. [2021-11-25 17:58:25,395 INFO L861 garLoopResultBuilder]: At program point L124-2(lines 124 128) the Hoare annotation is: true [2021-11-25 17:58:25,395 INFO L858 garLoopResultBuilder]: For program point L124-3(lines 124 128) no Hoare annotation was computed. [2021-11-25 17:58:25,395 INFO L858 garLoopResultBuilder]: For program point L120(lines 120 132) no Hoare annotation was computed. [2021-11-25 17:58:25,395 INFO L858 garLoopResultBuilder]: For program point L120-2(lines 111 161) no Hoare annotation was computed. [2021-11-25 17:58:25,395 INFO L861 garLoopResultBuilder]: At program point L149(line 149) the Hoare annotation is: true [2021-11-25 17:58:25,395 INFO L858 garLoopResultBuilder]: For program point L149-1(line 149) no Hoare annotation was computed. [2021-11-25 17:58:25,396 INFO L861 garLoopResultBuilder]: At program point L137(line 137) the Hoare annotation is: true [2021-11-25 17:58:25,396 INFO L858 garLoopResultBuilder]: For program point L137-1(line 137) no Hoare annotation was computed. [2021-11-25 17:58:25,396 INFO L858 garLoopResultBuilder]: For program point L121(lines 121 122) no Hoare annotation was computed. [2021-11-25 17:58:25,396 INFO L858 garLoopResultBuilder]: For program point L154-1(lines 154 159) no Hoare annotation was computed. [2021-11-25 17:58:25,396 INFO L861 garLoopResultBuilder]: At program point L154-2(lines 154 159) the Hoare annotation is: true [2021-11-25 17:58:25,397 INFO L858 garLoopResultBuilder]: For program point L154-3(lines 154 159) no Hoare annotation was computed. [2021-11-25 17:58:25,397 INFO L858 garLoopResultBuilder]: For program point L113-1(lines 113 118) no Hoare annotation was computed. [2021-11-25 17:58:25,397 INFO L861 garLoopResultBuilder]: At program point L113-2(lines 113 118) the Hoare annotation is: true [2021-11-25 17:58:25,397 INFO L858 garLoopResultBuilder]: For program point L113-3(lines 113 118) no Hoare annotation was computed. [2021-11-25 17:58:25,397 INFO L858 garLoopResultBuilder]: For program point L138(lines 138 146) no Hoare annotation was computed. [2021-11-25 17:58:25,397 INFO L858 garLoopResultBuilder]: For program point L130(lines 130 131) no Hoare annotation was computed. [2021-11-25 17:58:25,398 INFO L858 garLoopResultBuilder]: For program point L93(lines 93 97) no Hoare annotation was computed. [2021-11-25 17:58:25,398 INFO L858 garLoopResultBuilder]: For program point L93-1(lines 86 105) no Hoare annotation was computed. [2021-11-25 17:58:25,398 INFO L858 garLoopResultBuilder]: For program point copysign_doubleFINAL(lines 86 105) no Hoare annotation was computed. [2021-11-25 17:58:25,398 INFO L858 garLoopResultBuilder]: For program point copysign_doubleEXIT(lines 86 105) no Hoare annotation was computed. [2021-11-25 17:58:25,398 INFO L861 garLoopResultBuilder]: At program point copysign_doubleENTRY(lines 86 105) the Hoare annotation is: true [2021-11-25 17:58:25,399 INFO L858 garLoopResultBuilder]: For program point L98(lines 98 103) no Hoare annotation was computed. [2021-11-25 17:58:25,399 INFO L858 garLoopResultBuilder]: For program point L98-1(lines 86 105) no Hoare annotation was computed. [2021-11-25 17:58:25,399 INFO L858 garLoopResultBuilder]: For program point L98-2(lines 98 103) no Hoare annotation was computed. [2021-11-25 17:58:25,399 INFO L858 garLoopResultBuilder]: For program point L88-1(lines 88 92) no Hoare annotation was computed. [2021-11-25 17:58:25,399 INFO L861 garLoopResultBuilder]: At program point L88-2(lines 88 92) the Hoare annotation is: true [2021-11-25 17:58:25,399 INFO L858 garLoopResultBuilder]: For program point fabs_doubleEXIT(lines 162 176) no Hoare annotation was computed. [2021-11-25 17:58:25,400 INFO L861 garLoopResultBuilder]: At program point fabs_doubleENTRY(lines 162 176) the Hoare annotation is: true [2021-11-25 17:58:25,400 INFO L858 garLoopResultBuilder]: For program point L169(lines 169 174) no Hoare annotation was computed. [2021-11-25 17:58:25,400 INFO L858 garLoopResultBuilder]: For program point L169-1(lines 162 176) no Hoare annotation was computed. [2021-11-25 17:58:25,400 INFO L858 garLoopResultBuilder]: For program point L169-2(lines 169 174) no Hoare annotation was computed. [2021-11-25 17:58:25,400 INFO L858 garLoopResultBuilder]: For program point fabs_doubleFINAL(lines 162 176) no Hoare annotation was computed. [2021-11-25 17:58:25,400 INFO L858 garLoopResultBuilder]: For program point L164-1(lines 164 168) no Hoare annotation was computed. [2021-11-25 17:58:25,401 INFO L861 garLoopResultBuilder]: At program point L164-2(lines 164 168) the Hoare annotation is: true [2021-11-25 17:58:25,401 INFO L858 garLoopResultBuilder]: For program point L564-1(lines 564 573) no Hoare annotation was computed. [2021-11-25 17:58:25,401 INFO L858 garLoopResultBuilder]: For program point __kernel_tanFINAL(lines 541 611) no Hoare annotation was computed. [2021-11-25 17:58:25,401 INFO L858 garLoopResultBuilder]: For program point L544-1(lines 544 548) no Hoare annotation was computed. [2021-11-25 17:58:25,401 INFO L861 garLoopResultBuilder]: At program point L544-2(lines 544 548) the Hoare annotation is: true [2021-11-25 17:58:25,402 INFO L858 garLoopResultBuilder]: For program point L544-3(lines 544 548) no Hoare annotation was computed. [2021-11-25 17:58:25,402 INFO L858 garLoopResultBuilder]: For program point L602-1(lines 602 607) no Hoare annotation was computed. [2021-11-25 17:58:25,402 INFO L861 garLoopResultBuilder]: At program point L602-2(lines 602 607) the Hoare annotation is: true [2021-11-25 17:58:25,402 INFO L858 garLoopResultBuilder]: For program point L602-3(lines 602 607) no Hoare annotation was computed. [2021-11-25 17:58:25,402 INFO L858 garLoopResultBuilder]: For program point L565(lines 565 568) no Hoare annotation was computed. [2021-11-25 17:58:25,402 INFO L861 garLoopResultBuilder]: At program point __kernel_tanENTRY(lines 541 611) the Hoare annotation is: true [2021-11-25 17:58:25,403 INFO L858 garLoopResultBuilder]: For program point L565-2(lines 565 568) no Hoare annotation was computed. [2021-11-25 17:58:25,403 INFO L858 garLoopResultBuilder]: For program point L561(line 561) no Hoare annotation was computed. [2021-11-25 17:58:25,403 INFO L858 garLoopResultBuilder]: For program point L594-1(lines 594 599) no Hoare annotation was computed. [2021-11-25 17:58:25,403 INFO L861 garLoopResultBuilder]: At program point L594-2(lines 594 599) the Hoare annotation is: true [2021-11-25 17:58:25,403 INFO L858 garLoopResultBuilder]: For program point L561-2(line 561) no Hoare annotation was computed. [2021-11-25 17:58:25,403 INFO L858 garLoopResultBuilder]: For program point L594-3(lines 594 599) no Hoare annotation was computed. [2021-11-25 17:58:25,404 INFO L858 garLoopResultBuilder]: For program point L553-1(lines 553 557) no Hoare annotation was computed. [2021-11-25 17:58:25,404 INFO L861 garLoopResultBuilder]: At program point L553-2(lines 553 557) the Hoare annotation is: true [2021-11-25 17:58:25,404 INFO L858 garLoopResultBuilder]: For program point L553-3(lines 551 562) no Hoare annotation was computed. [2021-11-25 17:58:25,404 INFO L858 garLoopResultBuilder]: For program point __kernel_tanEXIT(lines 541 611) no Hoare annotation was computed. [2021-11-25 17:58:25,404 INFO L858 garLoopResultBuilder]: For program point L583(lines 583 587) no Hoare annotation was computed. [2021-11-25 17:58:25,404 INFO L858 garLoopResultBuilder]: For program point L550(lines 550 563) no Hoare annotation was computed. [2021-11-25 17:58:25,405 INFO L858 garLoopResultBuilder]: For program point L550-2(lines 541 611) no Hoare annotation was computed. [2021-11-25 17:58:25,405 INFO L861 garLoopResultBuilder]: At program point L559(line 559) the Hoare annotation is: true [2021-11-25 17:58:25,405 INFO L858 garLoopResultBuilder]: For program point L559-1(line 559) no Hoare annotation was computed. [2021-11-25 17:58:25,405 INFO L858 garLoopResultBuilder]: For program point L588(lines 588 610) no Hoare annotation was computed. [2021-11-25 17:58:25,405 INFO L858 garLoopResultBuilder]: For program point L551(lines 551 562) no Hoare annotation was computed. [2021-11-25 17:58:25,405 INFO L858 garLoopResultBuilder]: For program point L498(lines 498 503) no Hoare annotation was computed. [2021-11-25 17:58:25,406 INFO L858 garLoopResultBuilder]: For program point L498-1(lines 397 526) no Hoare annotation was computed. [2021-11-25 17:58:25,406 INFO L858 garLoopResultBuilder]: For program point L498-2(lines 498 503) no Hoare annotation was computed. [2021-11-25 17:58:25,406 INFO L858 garLoopResultBuilder]: For program point L201(lines 201 202) no Hoare annotation was computed. [2021-11-25 17:58:25,406 INFO L858 garLoopResultBuilder]: For program point L201-2(lines 201 202) no Hoare annotation was computed. [2021-11-25 17:58:25,406 INFO L858 garLoopResultBuilder]: For program point L69(lines 69 70) no Hoare annotation was computed. [2021-11-25 17:58:25,406 INFO L858 garLoopResultBuilder]: For program point L36(lines 36 41) no Hoare annotation was computed. [2021-11-25 17:58:25,407 INFO L858 garLoopResultBuilder]: For program point L69-2(lines 69 70) no Hoare annotation was computed. [2021-11-25 17:58:25,407 INFO L858 garLoopResultBuilder]: For program point L334-2(lines 334 335) no Hoare annotation was computed. [2021-11-25 17:58:25,407 INFO L858 garLoopResultBuilder]: For program point L235(lines 235 238) no Hoare annotation was computed. [2021-11-25 17:58:25,407 INFO L854 garLoopResultBuilder]: At program point L334-3(lines 334 335) the Hoare annotation is: false [2021-11-25 17:58:25,407 INFO L858 garLoopResultBuilder]: For program point L334-4(lines 320 360) no Hoare annotation was computed. [2021-11-25 17:58:25,407 INFO L854 garLoopResultBuilder]: At program point L632(line 632) the Hoare annotation is: false [2021-11-25 17:58:25,408 INFO L858 garLoopResultBuilder]: For program point L632-1(line 632) no Hoare annotation was computed. [2021-11-25 17:58:25,408 INFO L854 garLoopResultBuilder]: At program point L632-2(lines 613 634) the Hoare annotation is: (and (= (fp.div currentRoundingMode (_ +zero 11 53) (_ +zero 11 53)) |ULTIMATE.start_tan_double_~x#1|) (= (let ((.cse0 (fp.div roundNearestTiesToEven (_ +zero 11 53) (_ +zero 11 53)))) (fp.sub roundNearestTiesToEven .cse0 .cse0)) |ULTIMATE.start_tan_double_#res#1|) (= currentRoundingMode roundNearestTiesToEven)) [2021-11-25 17:58:25,408 INFO L858 garLoopResultBuilder]: For program point L38(lines 38 41) no Hoare annotation was computed. [2021-11-25 17:58:25,408 INFO L858 garLoopResultBuilder]: For program point L336-1(line 336) no Hoare annotation was computed. [2021-11-25 17:58:25,408 INFO L858 garLoopResultBuilder]: For program point L237(lines 237 238) no Hoare annotation was computed. [2021-11-25 17:58:25,408 INFO L858 garLoopResultBuilder]: For program point L270-1(lines 192 362) no Hoare annotation was computed. [2021-11-25 17:58:25,409 INFO L858 garLoopResultBuilder]: For program point L237-2(lines 192 362) no Hoare annotation was computed. [2021-11-25 17:58:25,409 INFO L858 garLoopResultBuilder]: For program point L470(lines 470 476) no Hoare annotation was computed. [2021-11-25 17:58:25,409 INFO L858 garLoopResultBuilder]: For program point L404-1(lines 404 408) no Hoare annotation was computed. [2021-11-25 17:58:25,409 INFO L854 garLoopResultBuilder]: At program point L404-2(lines 404 408) the Hoare annotation is: false [2021-11-25 17:58:25,409 INFO L858 garLoopResultBuilder]: For program point L338(line 338) no Hoare annotation was computed. [2021-11-25 17:58:25,409 INFO L858 garLoopResultBuilder]: For program point L404-3(lines 404 408) no Hoare annotation was computed. [2021-11-25 17:58:25,410 INFO L858 garLoopResultBuilder]: For program point L272-2(lines 272 273) no Hoare annotation was computed. [2021-11-25 17:58:25,410 INFO L854 garLoopResultBuilder]: At program point L272-3(lines 272 273) the Hoare annotation is: false [2021-11-25 17:58:25,410 INFO L858 garLoopResultBuilder]: For program point L272-4(lines 270 287) no Hoare annotation was computed. [2021-11-25 17:58:25,410 INFO L858 garLoopResultBuilder]: For program point L339-2(lines 339 343) no Hoare annotation was computed. [2021-11-25 17:58:25,410 INFO L858 garLoopResultBuilder]: For program point L240(lines 192 362) no Hoare annotation was computed. [2021-11-25 17:58:25,410 INFO L854 garLoopResultBuilder]: At program point L339-3(lines 339 343) the Hoare annotation is: false [2021-11-25 17:58:25,410 INFO L858 garLoopResultBuilder]: For program point L339-4(lines 339 343) no Hoare annotation was computed. [2021-11-25 17:58:25,411 INFO L858 garLoopResultBuilder]: For program point L207-2(lines 207 208) no Hoare annotation was computed. [2021-11-25 17:58:25,411 INFO L854 garLoopResultBuilder]: At program point L207-3(lines 207 208) the Hoare annotation is: false [2021-11-25 17:58:25,411 INFO L858 garLoopResultBuilder]: For program point L207-4(lines 207 208) no Hoare annotation was computed. [2021-11-25 17:58:25,411 INFO L858 garLoopResultBuilder]: For program point L505-1(lines 505 510) no Hoare annotation was computed. [2021-11-25 17:58:25,411 INFO L854 garLoopResultBuilder]: At program point L505-2(lines 505 510) the Hoare annotation is: false [2021-11-25 17:58:25,411 INFO L858 garLoopResultBuilder]: For program point L505-3(lines 505 510) no Hoare annotation was computed. [2021-11-25 17:58:25,412 INFO L858 garLoopResultBuilder]: For program point L208(line 208) no Hoare annotation was computed. [2021-11-25 17:58:25,412 INFO L858 garLoopResultBuilder]: For program point L208-2(line 208) no Hoare annotation was computed. [2021-11-25 17:58:25,412 INFO L858 garLoopResultBuilder]: For program point L440(lines 440 486) no Hoare annotation was computed. [2021-11-25 17:58:25,412 INFO L858 garLoopResultBuilder]: For program point L308(line 308) no Hoare annotation was computed. [2021-11-25 17:58:25,412 INFO L858 garLoopResultBuilder]: For program point L275-1(lines 275 276) no Hoare annotation was computed. [2021-11-25 17:58:25,412 INFO L858 garLoopResultBuilder]: For program point L275-3(lines 275 276) no Hoare annotation was computed. [2021-11-25 17:58:25,413 INFO L854 garLoopResultBuilder]: At program point L275-4(lines 275 276) the Hoare annotation is: false [2021-11-25 17:58:25,413 INFO L858 garLoopResultBuilder]: For program point L275-5(lines 275 276) no Hoare annotation was computed. [2021-11-25 17:58:25,413 INFO L858 garLoopResultBuilder]: For program point L77(lines 77 82) no Hoare annotation was computed. [2021-11-25 17:58:25,413 INFO L858 garLoopResultBuilder]: For program point L77-1(lines 23 84) no Hoare annotation was computed. [2021-11-25 17:58:25,413 INFO L858 garLoopResultBuilder]: For program point L77-2(lines 77 82) no Hoare annotation was computed. [2021-11-25 17:58:25,417 INFO L854 garLoopResultBuilder]: At program point L441(line 441) the Hoare annotation is: false [2021-11-25 17:58:25,417 INFO L858 garLoopResultBuilder]: For program point L441-1(line 441) no Hoare annotation was computed. [2021-11-25 17:58:25,417 INFO L858 garLoopResultBuilder]: For program point L309-2(lines 309 312) no Hoare annotation was computed. [2021-11-25 17:58:25,417 INFO L854 garLoopResultBuilder]: At program point L309-3(lines 309 312) the Hoare annotation is: false [2021-11-25 17:58:25,418 INFO L858 garLoopResultBuilder]: For program point L243-2(lines 243 252) no Hoare annotation was computed. [2021-11-25 17:58:25,418 INFO L858 garLoopResultBuilder]: For program point L309-4(lines 309 312) no Hoare annotation was computed. [2021-11-25 17:58:25,418 INFO L858 garLoopResultBuilder]: For program point L210-2(lines 210 214) no Hoare annotation was computed. [2021-11-25 17:58:25,418 INFO L854 garLoopResultBuilder]: At program point L243-3(lines 243 252) the Hoare annotation is: false [2021-11-25 17:58:25,418 INFO L854 garLoopResultBuilder]: At program point L210-3(lines 210 214) the Hoare annotation is: false [2021-11-25 17:58:25,419 INFO L858 garLoopResultBuilder]: For program point L243-4(lines 240 268) no Hoare annotation was computed. [2021-11-25 17:58:25,419 INFO L858 garLoopResultBuilder]: For program point L210-4(lines 210 214) no Hoare annotation was computed. [2021-11-25 17:58:25,419 INFO L858 garLoopResultBuilder]: For program point L45(lines 45 46) no Hoare annotation was computed. [2021-11-25 17:58:25,419 INFO L858 garLoopResultBuilder]: For program point L211-2(lines 211 212) no Hoare annotation was computed. [2021-11-25 17:58:25,419 INFO L854 garLoopResultBuilder]: At program point L211-3(lines 211 212) the Hoare annotation is: false [2021-11-25 17:58:25,419 INFO L858 garLoopResultBuilder]: For program point L211-4(lines 211 212) no Hoare annotation was computed. [2021-11-25 17:58:25,419 INFO L858 garLoopResultBuilder]: For program point L410(lines 410 414) no Hoare annotation was computed. [2021-11-25 17:58:25,420 INFO L858 garLoopResultBuilder]: For program point L344-2(lines 344 348) no Hoare annotation was computed. [2021-11-25 17:58:25,420 INFO L858 garLoopResultBuilder]: For program point L245(lines 245 251) no Hoare annotation was computed. [2021-11-25 17:58:25,420 INFO L854 garLoopResultBuilder]: At program point L344-3(lines 344 348) the Hoare annotation is: false [2021-11-25 17:58:25,420 INFO L858 garLoopResultBuilder]: For program point L278-2(lines 278 283) no Hoare annotation was computed. [2021-11-25 17:58:25,420 INFO L858 garLoopResultBuilder]: For program point L344-4(lines 344 348) no Hoare annotation was computed. [2021-11-25 17:58:25,420 INFO L854 garLoopResultBuilder]: At program point L278-3(lines 278 283) the Hoare annotation is: false [2021-11-25 17:58:25,420 INFO L858 garLoopResultBuilder]: For program point L278-4(lines 278 283) no Hoare annotation was computed. [2021-11-25 17:58:25,421 INFO L858 garLoopResultBuilder]: For program point L47(lines 47 52) no Hoare annotation was computed. [2021-11-25 17:58:25,421 INFO L858 garLoopResultBuilder]: For program point L246(lines 246 249) no Hoare annotation was computed. [2021-11-25 17:58:25,421 INFO L858 garLoopResultBuilder]: For program point L48(lines 48 49) no Hoare annotation was computed. [2021-11-25 17:58:25,421 INFO L858 garLoopResultBuilder]: For program point L48-2(lines 48 49) no Hoare annotation was computed. [2021-11-25 17:58:25,421 INFO L858 garLoopResultBuilder]: For program point L511-2(lines 511 514) no Hoare annotation was computed. [2021-11-25 17:58:25,421 INFO L854 garLoopResultBuilder]: At program point L511-3(lines 511 514) the Hoare annotation is: false [2021-11-25 17:58:25,421 INFO L858 garLoopResultBuilder]: For program point L511-4(lines 511 514) no Hoare annotation was computed. [2021-11-25 17:58:25,422 INFO L858 garLoopResultBuilder]: For program point L280-2(lines 280 281) no Hoare annotation was computed. [2021-11-25 17:58:25,422 INFO L854 garLoopResultBuilder]: At program point L280-3(lines 280 281) the Hoare annotation is: false [2021-11-25 17:58:25,422 INFO L858 garLoopResultBuilder]: For program point L280-4(lines 280 281) no Hoare annotation was computed. [2021-11-25 17:58:25,422 INFO L858 garLoopResultBuilder]: For program point L446(line 446) no Hoare annotation was computed. [2021-11-25 17:58:25,422 INFO L858 garLoopResultBuilder]: For program point L446-2(lines 446 478) no Hoare annotation was computed. [2021-11-25 17:58:25,422 INFO L858 garLoopResultBuilder]: For program point L314-2(lines 314 318) no Hoare annotation was computed. [2021-11-25 17:58:25,422 INFO L854 garLoopResultBuilder]: At program point L314-3(lines 314 318) the Hoare annotation is: false [2021-11-25 17:58:25,423 INFO L858 garLoopResultBuilder]: For program point L314-4(lines 314 318) no Hoare annotation was computed. [2021-11-25 17:58:25,423 INFO L854 garLoopResultBuilder]: At program point L83(lines 23 84) the Hoare annotation is: false [2021-11-25 17:58:25,423 INFO L858 garLoopResultBuilder]: For program point L480(lines 480 485) no Hoare annotation was computed. [2021-11-25 17:58:25,423 INFO L858 garLoopResultBuilder]: For program point L315-2(lines 315 316) no Hoare annotation was computed. [2021-11-25 17:58:25,423 INFO L854 garLoopResultBuilder]: At program point L315-3(lines 315 316) the Hoare annotation is: false [2021-11-25 17:58:25,423 INFO L858 garLoopResultBuilder]: For program point L315-4(lines 315 316) no Hoare annotation was computed. [2021-11-25 17:58:25,423 INFO L858 garLoopResultBuilder]: For program point L415(lines 415 439) no Hoare annotation was computed. [2021-11-25 17:58:25,424 INFO L858 garLoopResultBuilder]: For program point L349-2(lines 349 350) no Hoare annotation was computed. [2021-11-25 17:58:25,424 INFO L854 garLoopResultBuilder]: At program point L349-3(lines 349 350) the Hoare annotation is: false [2021-11-25 17:58:25,424 INFO L858 garLoopResultBuilder]: For program point L349-4(lines 320 360) no Hoare annotation was computed. [2021-11-25 17:58:25,424 INFO L854 garLoopResultBuilder]: At program point L19(line 19) the Hoare annotation is: (and (= (_ bv1 32) |ULTIMATE.start_isnan_double_#res#1|) (= (fp.div currentRoundingMode (_ +zero 11 53) (_ +zero 11 53)) |ULTIMATE.start_tan_double_~x#1|) (= (let ((.cse0 (fp.div roundNearestTiesToEven (_ +zero 11 53) (_ +zero 11 53)))) (fp.sub roundNearestTiesToEven .cse0 .cse0)) |ULTIMATE.start_tan_double_#res#1|) (= currentRoundingMode roundNearestTiesToEven)) [2021-11-25 17:58:25,424 INFO L858 garLoopResultBuilder]: For program point L647(lines 647 650) no Hoare annotation was computed. [2021-11-25 17:58:25,424 INFO L858 garLoopResultBuilder]: For program point L416(lines 416 438) no Hoare annotation was computed. [2021-11-25 17:58:25,424 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-11-25 17:58:25,425 INFO L858 garLoopResultBuilder]: For program point L648(line 648) no Hoare annotation was computed. [2021-11-25 17:58:25,425 INFO L854 garLoopResultBuilder]: At program point L285(lines 192 362) the Hoare annotation is: false [2021-11-25 17:58:25,425 INFO L858 garLoopResultBuilder]: For program point L219-2(lines 219 223) no Hoare annotation was computed. [2021-11-25 17:58:25,425 INFO L854 garLoopResultBuilder]: At program point L219-3(lines 219 223) the Hoare annotation is: false [2021-11-25 17:58:25,425 INFO L854 garLoopResultBuilder]: At program point L219-4(lines 219 223) the Hoare annotation is: false [2021-11-25 17:58:25,425 INFO L858 garLoopResultBuilder]: For program point L54(lines 54 76) no Hoare annotation was computed. [2021-11-25 17:58:25,425 INFO L858 garLoopResultBuilder]: For program point L517-1(lines 517 518) no Hoare annotation was computed. [2021-11-25 17:58:25,426 INFO L858 garLoopResultBuilder]: For program point L418(lines 418 425) no Hoare annotation was computed. [2021-11-25 17:58:25,426 INFO L854 garLoopResultBuilder]: At program point L517-3(lines 517 518) the Hoare annotation is: false [2021-11-25 17:58:25,426 INFO L858 garLoopResultBuilder]: For program point L517-4(lines 517 518) no Hoare annotation was computed. [2021-11-25 17:58:25,426 INFO L858 garLoopResultBuilder]: For program point L418-2(lines 418 425) no Hoare annotation was computed. [2021-11-25 17:58:25,426 INFO L858 garLoopResultBuilder]: For program point L253-1(lines 240 268) no Hoare annotation was computed. [2021-11-25 17:58:25,426 INFO L858 garLoopResultBuilder]: For program point L55(lines 55 58) no Hoare annotation was computed. [2021-11-25 17:58:25,426 INFO L858 garLoopResultBuilder]: For program point L617-1(lines 617 621) no Hoare annotation was computed. [2021-11-25 17:58:25,427 INFO L854 garLoopResultBuilder]: At program point L617-2(lines 617 621) the Hoare annotation is: (and (= |ULTIMATE.start_tan_double_~#y~0#1.offset| (_ bv0 32)) (= (fp.div currentRoundingMode (_ +zero 11 53) (_ +zero 11 53)) |ULTIMATE.start_tan_double_~x#1|) (= currentRoundingMode roundNearestTiesToEven)) [2021-11-25 17:58:25,427 INFO L858 garLoopResultBuilder]: For program point L617-3(lines 617 621) no Hoare annotation was computed. [2021-11-25 17:58:25,427 INFO L858 garLoopResultBuilder]: For program point L452-1(lines 452 456) no Hoare annotation was computed. [2021-11-25 17:58:25,427 INFO L854 garLoopResultBuilder]: At program point L452-2(lines 452 456) the Hoare annotation is: false [2021-11-25 17:58:25,427 INFO L858 garLoopResultBuilder]: For program point L452-3(lines 452 456) no Hoare annotation was computed. [2021-11-25 17:58:25,428 INFO L854 garLoopResultBuilder]: At program point L320(lines 320 360) the Hoare annotation is: false [2021-11-25 17:58:25,428 INFO L854 garLoopResultBuilder]: At program point L254(lines 254 261) the Hoare annotation is: false [2021-11-25 17:58:25,428 INFO L858 garLoopResultBuilder]: For program point L321(line 321) no Hoare annotation was computed. [2021-11-25 17:58:25,429 INFO L858 garLoopResultBuilder]: For program point L255(line 255) no Hoare annotation was computed. [2021-11-25 17:58:25,429 INFO L861 garLoopResultBuilder]: At program point L652(lines 636 653) the Hoare annotation is: true [2021-11-25 17:58:25,429 INFO L858 garLoopResultBuilder]: For program point L520(lines 520 524) no Hoare annotation was computed. [2021-11-25 17:58:25,429 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-11-25 17:58:25,429 INFO L858 garLoopResultBuilder]: For program point L488(lines 488 491) no Hoare annotation was computed. [2021-11-25 17:58:25,429 INFO L858 garLoopResultBuilder]: For program point L323-2(lines 323 324) no Hoare annotation was computed. [2021-11-25 17:58:25,429 INFO L854 garLoopResultBuilder]: At program point L323-3(lines 323 324) the Hoare annotation is: false [2021-11-25 17:58:25,430 INFO L858 garLoopResultBuilder]: For program point L323-4(lines 320 360) no Hoare annotation was computed. [2021-11-25 17:58:25,430 INFO L858 garLoopResultBuilder]: For program point L26-1(lines 26 31) no Hoare annotation was computed. [2021-11-25 17:58:25,430 INFO L854 garLoopResultBuilder]: At program point L26-2(lines 26 31) the Hoare annotation is: false [2021-11-25 17:58:25,430 INFO L858 garLoopResultBuilder]: For program point L26-3(lines 26 31) no Hoare annotation was computed. [2021-11-25 17:58:25,431 INFO L858 garLoopResultBuilder]: For program point L258(line 258) no Hoare annotation was computed. [2021-11-25 17:58:25,431 INFO L858 garLoopResultBuilder]: For program point L225(line 225) no Hoare annotation was computed. [2021-11-25 17:58:25,431 INFO L858 garLoopResultBuilder]: For program point L325-1(line 325) no Hoare annotation was computed. [2021-11-25 17:58:25,431 INFO L858 garLoopResultBuilder]: For program point L292-1(lines 292 295) no Hoare annotation was computed. [2021-11-25 17:58:25,431 INFO L854 garLoopResultBuilder]: At program point L292-3(lines 292 295) the Hoare annotation is: false [2021-11-25 17:58:25,431 INFO L858 garLoopResultBuilder]: For program point L61(lines 61 62) no Hoare annotation was computed. [2021-11-25 17:58:25,431 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-11-25 17:58:25,432 INFO L858 garLoopResultBuilder]: For program point L458(lines 458 477) no Hoare annotation was computed. [2021-11-25 17:58:25,432 INFO L858 garLoopResultBuilder]: For program point L458-1(lines 446 478) no Hoare annotation was computed. [2021-11-25 17:58:25,432 INFO L858 garLoopResultBuilder]: For program point L624(lines 624 633) no Hoare annotation was computed. [2021-11-25 17:58:25,432 INFO L854 garLoopResultBuilder]: At program point L525(lines 397 526) the Hoare annotation is: false [2021-11-25 17:58:25,432 INFO L858 garLoopResultBuilder]: For program point L327(line 327) no Hoare annotation was computed. [2021-11-25 17:58:25,432 INFO L858 garLoopResultBuilder]: For program point L327-2(line 327) no Hoare annotation was computed. [2021-11-25 17:58:25,432 INFO L858 garLoopResultBuilder]: For program point L63(lines 63 75) no Hoare annotation was computed. [2021-11-25 17:58:25,432 INFO L854 garLoopResultBuilder]: At program point L625(line 625) the Hoare annotation is: false [2021-11-25 17:58:25,433 INFO L858 garLoopResultBuilder]: For program point L625-1(line 625) no Hoare annotation was computed. [2021-11-25 17:58:25,433 INFO L858 garLoopResultBuilder]: For program point L493-1(lines 493 497) no Hoare annotation was computed. [2021-11-25 17:58:25,433 INFO L854 garLoopResultBuilder]: At program point L493-2(lines 493 497) the Hoare annotation is: false [2021-11-25 17:58:25,433 INFO L854 garLoopResultBuilder]: At program point L361(lines 191 362) the Hoare annotation is: false [2021-11-25 17:58:25,433 INFO L858 garLoopResultBuilder]: For program point L328(line 328) no Hoare annotation was computed. [2021-11-25 17:58:25,433 INFO L858 garLoopResultBuilder]: For program point L64(lines 64 73) no Hoare annotation was computed. [2021-11-25 17:58:25,433 INFO L858 garLoopResultBuilder]: For program point L64-1(lines 64 73) no Hoare annotation was computed. [2021-11-25 17:58:25,434 INFO L858 garLoopResultBuilder]: For program point L230(lines 230 238) no Hoare annotation was computed. [2021-11-25 17:58:25,434 INFO L858 garLoopResultBuilder]: For program point L65(lines 65 72) no Hoare annotation was computed. [2021-11-25 17:58:25,434 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-11-25 17:58:25,434 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 648) no Hoare annotation was computed. [2021-11-25 17:58:25,434 INFO L858 garLoopResultBuilder]: For program point L627(lines 627 633) no Hoare annotation was computed. [2021-11-25 17:58:25,434 INFO L858 garLoopResultBuilder]: For program point L429(lines 429 436) no Hoare annotation was computed. [2021-11-25 17:58:25,434 INFO L858 garLoopResultBuilder]: For program point L429-2(lines 429 436) no Hoare annotation was computed. [2021-11-25 17:58:25,435 INFO L854 garLoopResultBuilder]: At program point L297(line 297) the Hoare annotation is: false [2021-11-25 17:58:25,435 INFO L858 garLoopResultBuilder]: For program point L297-1(line 297) no Hoare annotation was computed. [2021-11-25 17:58:25,435 INFO L858 garLoopResultBuilder]: For program point L330-2(lines 330 331) no Hoare annotation was computed. [2021-11-25 17:58:25,435 INFO L854 garLoopResultBuilder]: At program point L330-3(lines 330 331) the Hoare annotation is: false [2021-11-25 17:58:25,435 INFO L858 garLoopResultBuilder]: For program point L330-4(lines 320 360) no Hoare annotation was computed. [2021-11-25 17:58:25,435 INFO L858 garLoopResultBuilder]: For program point L33(lines 33 76) no Hoare annotation was computed. [2021-11-25 17:58:25,435 INFO L858 garLoopResultBuilder]: For program point L298(lines 298 305) no Hoare annotation was computed. [2021-11-25 17:58:25,436 INFO L858 garLoopResultBuilder]: For program point L265(lines 265 266) no Hoare annotation was computed. [2021-11-25 17:58:25,436 INFO L854 garLoopResultBuilder]: At program point L298-2(lines 289 306) the Hoare annotation is: false [2021-11-25 17:58:25,436 INFO L858 garLoopResultBuilder]: For program point L34(lines 34 53) no Hoare annotation was computed. [2021-11-25 17:58:25,436 INFO L858 garLoopResultBuilder]: For program point L464-1(lines 464 468) no Hoare annotation was computed. [2021-11-25 17:58:25,436 INFO L854 garLoopResultBuilder]: At program point L464-2(lines 464 468) the Hoare annotation is: false [2021-11-25 17:58:25,436 INFO L858 garLoopResultBuilder]: For program point L464-3(lines 464 468) no Hoare annotation was computed. [2021-11-25 17:58:25,436 INFO L858 garLoopResultBuilder]: For program point L332-1(line 332) no Hoare annotation was computed. [2021-11-25 17:58:25,437 INFO L854 garLoopResultBuilder]: At program point L266(line 266) the Hoare annotation is: false [2021-11-25 17:58:25,437 INFO L858 garLoopResultBuilder]: For program point L266-1(line 266) no Hoare annotation was computed. [2021-11-25 17:58:25,437 INFO L858 garLoopResultBuilder]: For program point L35(lines 35 42) no Hoare annotation was computed. [2021-11-25 17:58:25,440 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 17:58:25,442 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-25 17:58:25,464 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-25 17:58:25,465 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-25 17:58:25,466 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-25 17:58:25,466 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-25 17:58:25,471 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-25 17:58:25,471 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-25 17:58:25,471 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-25 17:58:25,471 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-25 17:58:25,472 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-25 17:58:25,480 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-25 17:58:25,484 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-25 17:58:25,484 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-25 17:58:25,484 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-25 17:58:25,484 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-25 17:58:25,485 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-25 17:58:25,485 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-25 17:58:25,485 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-25 17:58:25,485 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-25 17:58:25,486 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 05:58:25 BoogieIcfgContainer [2021-11-25 17:58:25,486 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-25 17:58:25,487 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-25 17:58:25,487 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-25 17:58:25,487 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-25 17:58:25,488 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:51:27" (3/4) ... [2021-11-25 17:58:25,490 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-25 17:58:25,498 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure fabs_double [2021-11-25 17:58:25,498 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure scalbn_double [2021-11-25 17:58:25,498 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure copysign_double [2021-11-25 17:58:25,498 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __kernel_tan [2021-11-25 17:58:25,535 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 53 nodes and edges [2021-11-25 17:58:25,536 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2021-11-25 17:58:25,537 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2021-11-25 17:58:25,539 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-25 17:58:25,575 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (~fp.div~DOUBLE(unknown-currentRoundingMode-unknown, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()) == x && ~fp.sub~DOUBLE(~roundNearestTiesToEven, ~fp.div~DOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE())) == \result) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven [2021-11-25 17:58:25,576 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((1bv32 == \result && ~fp.div~DOUBLE(unknown-currentRoundingMode-unknown, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()) == x) && ~fp.sub~DOUBLE(~roundNearestTiesToEven, ~fp.div~DOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE())) == \result) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven [2021-11-25 17:58:25,718 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c54e4fe-2da0-4b6e-b436-e1788c4fd4b5/bin/utaipan-eEHZpOm5b7/witness.graphml [2021-11-25 17:58:25,718 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-25 17:58:25,719 INFO L158 Benchmark]: Toolchain (without parser) took 481715.30ms. Allocated memory was 65.0MB in the beginning and 81.8MB in the end (delta: 16.8MB). Free memory was 39.5MB in the beginning and 51.9MB in the end (delta: -12.4MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2021-11-25 17:58:25,720 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 50.3MB. Free memory was 30.3MB in the beginning and 30.2MB in the end (delta: 36.5kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-25 17:58:25,722 INFO L158 Benchmark]: CACSL2BoogieTranslator took 822.42ms. Allocated memory is still 65.0MB. Free memory was 39.3MB in the beginning and 42.9MB in the end (delta: -3.6MB). Peak memory consumption was 13.3MB. Max. memory is 16.1GB. [2021-11-25 17:58:25,722 INFO L158 Benchmark]: Boogie Procedure Inliner took 93.27ms. Allocated memory is still 65.0MB. Free memory was 42.9MB in the beginning and 36.8MB in the end (delta: 6.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-25 17:58:25,722 INFO L158 Benchmark]: Boogie Preprocessor took 127.73ms. Allocated memory is still 65.0MB. Free memory was 36.8MB in the beginning and 29.8MB in the end (delta: 7.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-25 17:58:25,723 INFO L158 Benchmark]: RCFGBuilder took 62356.82ms. Allocated memory was 65.0MB in the beginning and 81.8MB in the end (delta: 16.8MB). Free memory was 29.8MB in the beginning and 34.8MB in the end (delta: -5.0MB). Peak memory consumption was 16.6MB. Max. memory is 16.1GB. [2021-11-25 17:58:25,724 INFO L158 Benchmark]: TraceAbstraction took 418076.96ms. Allocated memory is still 81.8MB. Free memory was 34.4MB in the beginning and 46.1MB in the end (delta: -11.7MB). Peak memory consumption was 15.3MB. Max. memory is 16.1GB. [2021-11-25 17:58:25,729 INFO L158 Benchmark]: Witness Printer took 231.33ms. Allocated memory is still 81.8MB. Free memory was 46.1MB in the beginning and 51.9MB in the end (delta: -5.8MB). Peak memory consumption was 28.3MB. Max. memory is 16.1GB. [2021-11-25 17:58:25,732 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 50.3MB. Free memory was 30.3MB in the beginning and 30.2MB in the end (delta: 36.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 822.42ms. Allocated memory is still 65.0MB. Free memory was 39.3MB in the beginning and 42.9MB in the end (delta: -3.6MB). Peak memory consumption was 13.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 93.27ms. Allocated memory is still 65.0MB. Free memory was 42.9MB in the beginning and 36.8MB in the end (delta: 6.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 127.73ms. Allocated memory is still 65.0MB. Free memory was 36.8MB in the beginning and 29.8MB in the end (delta: 7.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 62356.82ms. Allocated memory was 65.0MB in the beginning and 81.8MB in the end (delta: 16.8MB). Free memory was 29.8MB in the beginning and 34.8MB in the end (delta: -5.0MB). Peak memory consumption was 16.6MB. Max. memory is 16.1GB. * TraceAbstraction took 418076.96ms. Allocated memory is still 81.8MB. Free memory was 34.4MB in the beginning and 46.1MB in the end (delta: -11.7MB). Peak memory consumption was 15.3MB. Max. memory is 16.1GB. * Witness Printer took 231.33ms. Allocated memory is still 81.8MB. Free memory was 46.1MB in the beginning and 51.9MB in the end (delta: -5.8MB). Peak memory consumption was 28.3MB. Max. memory is 16.1GB. * 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 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 - 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 - 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 - 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: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 648]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 253 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 417.9s, OverallIterations: 8, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 332.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.4s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 111 mSolverCounterUnknown, 724 SdHoareTripleChecker+Valid, 327.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 716 mSDsluCounter, 11775 SdHoareTripleChecker+Invalid, 315.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 505 IncrementalHoareTripleChecker+Unchecked, 9460 mSDsCounter, 19 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 339 IncrementalHoareTripleChecker+Invalid, 974 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 19 mSolverCounterUnsat, 2315 mSDtfsCounter, 339 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 111 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 199 GetRequests, 154 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 22.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=325occurred in iteration=2, InterpolantAutomatonStates: 53, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 8 MinimizatonAttempts, 125 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 62 LocationsWithAnnotation, 190 PreInvPairs, 202 NumberOfFragments, 119 HoareAnnotationTreeSize, 190 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 62 FomulaSimplificationsInter, 7 FormulaSimplificationTreeSizeReductionInter, 2.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 41.0s SatisfiabilityAnalysisTime, 39.1s InterpolantComputationTime, 199 NumberOfCodeBlocks, 199 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 191 ConstructedInterpolants, 49 QuantifiedInterpolants, 1375 SizeOfPredicates, 77 NumberOfNonLiveVariables, 2564 ConjunctsInSsa, 108 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 397]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 210]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 553]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 544]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 292]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 124]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 191]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 272]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 309]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 243]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 349]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 330]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 192]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 594]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 320]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 139]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 275]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 154]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 113]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 315]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 613]: Loop Invariant [2021-11-25 17:58:25,751 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-25 17:58:25,754 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-25 17:58:25,754 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-25 17:58:25,755 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-25 17:58:25,755 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-25 17:58:25,757 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-25 17:58:25,757 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-25 17:58:25,757 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: (~fp.div~DOUBLE(unknown-currentRoundingMode-unknown, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()) == x && ~fp.sub~DOUBLE(~roundNearestTiesToEven, ~fp.div~DOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE())) == \result) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven - InvariantResult [Line: 617]: Loop Invariant [2021-11-25 17:58:25,758 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-25 17:58:25,758 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: (y == 0bv32 && ~fp.div~DOUBLE(unknown-currentRoundingMode-unknown, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()) == x) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven - InvariantResult [Line: 219]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 452]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 254]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 344]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 23]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 464]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 505]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 493]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 339]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 511]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 164]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 404]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 26]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 314]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 334]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 636]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 88]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 280]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 323]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 602]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 19]: Loop Invariant [2021-11-25 17:58:25,761 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-25 17:58:25,762 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-25 17:58:25,762 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-25 17:58:25,762 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-25 17:58:25,768 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-25 17:58:25,768 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-25 17:58:25,768 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-11-25 17:58:25,769 WARN L418 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: ((1bv32 == \result && ~fp.div~DOUBLE(unknown-currentRoundingMode-unknown, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()) == x) && ~fp.sub~DOUBLE(~roundNearestTiesToEven, ~fp.div~DOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE())) == \result) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven - InvariantResult [Line: 517]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 207]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 278]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 211]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2021-11-25 17:58:25,973 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c54e4fe-2da0-4b6e-b436-e1788c4fd4b5/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process [2021-11-25 17:58:26,055 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c54e4fe-2da0-4b6e-b436-e1788c4fd4b5/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 137 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE