./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-benchs/cos_polynomial.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9ad7fb26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8ac0a09-3796-4ec5-b274-d737b0cff967/bin/utaipan-aC7eJsxGYH/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8ac0a09-3796-4ec5-b274-d737b0cff967/bin/utaipan-aC7eJsxGYH/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8ac0a09-3796-4ec5-b274-d737b0cff967/bin/utaipan-aC7eJsxGYH/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8ac0a09-3796-4ec5-b274-d737b0cff967/bin/utaipan-aC7eJsxGYH/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-benchs/cos_polynomial.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8ac0a09-3796-4ec5-b274-d737b0cff967/bin/utaipan-aC7eJsxGYH/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8ac0a09-3796-4ec5-b274-d737b0cff967/bin/utaipan-aC7eJsxGYH --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 c41c899e123885a0a5b4b47d325ecb3bae7fd8ace0e033e73eafae066c754dcb --- Real Ultimate output --- This is Ultimate 0.2.1-dev-9ad7fb2 [2021-11-03 03:50:08,263 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-03 03:50:08,265 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-03 03:50:08,324 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-03 03:50:08,324 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-03 03:50:08,326 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-03 03:50:08,328 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-03 03:50:08,331 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-03 03:50:08,334 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-03 03:50:08,335 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-03 03:50:08,337 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-03 03:50:08,339 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-03 03:50:08,339 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-03 03:50:08,341 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-03 03:50:08,343 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-03 03:50:08,345 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-03 03:50:08,346 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-03 03:50:08,348 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-03 03:50:08,351 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-03 03:50:08,354 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-03 03:50:08,357 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-03 03:50:08,364 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-03 03:50:08,366 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-03 03:50:08,367 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-03 03:50:08,372 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-03 03:50:08,373 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-03 03:50:08,373 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-03 03:50:08,375 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-03 03:50:08,375 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-03 03:50:08,377 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-03 03:50:08,378 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-03 03:50:08,391 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-03 03:50:08,392 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-03 03:50:08,394 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-03 03:50:08,395 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-03 03:50:08,396 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-03 03:50:08,397 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-03 03:50:08,397 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-03 03:50:08,398 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-03 03:50:08,399 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-03 03:50:08,400 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-03 03:50:08,403 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8ac0a09-3796-4ec5-b274-d737b0cff967/bin/utaipan-aC7eJsxGYH/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-03 03:50:08,444 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-03 03:50:08,444 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-03 03:50:08,445 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-03 03:50:08,445 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-03 03:50:08,446 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-03 03:50:08,446 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-03 03:50:08,446 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-03 03:50:08,446 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-03 03:50:08,447 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-03 03:50:08,447 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-03 03:50:08,447 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-03 03:50:08,448 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-03 03:50:08,448 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-03 03:50:08,448 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-03 03:50:08,448 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-03 03:50:08,449 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-03 03:50:08,450 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-03 03:50:08,450 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-03 03:50:08,450 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-03 03:50:08,450 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-03 03:50:08,451 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-03 03:50:08,451 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-03 03:50:08,451 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-03 03:50:08,451 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-03 03:50:08,452 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-03 03:50:08,452 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-03 03:50:08,452 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-03 03:50:08,452 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-03 03:50:08,453 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-03 03:50:08,453 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-03 03:50:08,453 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-03 03:50:08,454 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-03 03:50:08,454 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-03 03:50:08,454 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-03 03:50:08,455 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-03 03:50:08,455 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-03 03:50:08,455 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-03 03:50:08,455 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-03 03:50:08,456 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-03 03:50:08,456 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_e8ac0a09-3796-4ec5-b274-d737b0cff967/bin/utaipan-aC7eJsxGYH/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8ac0a09-3796-4ec5-b274-d737b0cff967/bin/utaipan-aC7eJsxGYH Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c41c899e123885a0a5b4b47d325ecb3bae7fd8ace0e033e73eafae066c754dcb [2021-11-03 03:50:08,748 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-03 03:50:08,774 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-03 03:50:08,777 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-03 03:50:08,778 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-03 03:50:08,779 INFO L275 PluginConnector]: CDTParser initialized [2021-11-03 03:50:08,781 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8ac0a09-3796-4ec5-b274-d737b0cff967/bin/utaipan-aC7eJsxGYH/../../sv-benchmarks/c/float-benchs/cos_polynomial.c [2021-11-03 03:50:08,884 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8ac0a09-3796-4ec5-b274-d737b0cff967/bin/utaipan-aC7eJsxGYH/data/1286656d5/bad81eaf1fc4436daa17b1b5577ea983/FLAG927d2eb6b [2021-11-03 03:50:09,430 INFO L306 CDTParser]: Found 1 translation units. [2021-11-03 03:50:09,431 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8ac0a09-3796-4ec5-b274-d737b0cff967/sv-benchmarks/c/float-benchs/cos_polynomial.c [2021-11-03 03:50:09,446 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8ac0a09-3796-4ec5-b274-d737b0cff967/bin/utaipan-aC7eJsxGYH/data/1286656d5/bad81eaf1fc4436daa17b1b5577ea983/FLAG927d2eb6b [2021-11-03 03:50:09,811 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8ac0a09-3796-4ec5-b274-d737b0cff967/bin/utaipan-aC7eJsxGYH/data/1286656d5/bad81eaf1fc4436daa17b1b5577ea983 [2021-11-03 03:50:09,814 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-03 03:50:09,816 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-03 03:50:09,823 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-03 03:50:09,823 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-03 03:50:09,827 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-03 03:50:09,828 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 03:50:09" (1/1) ... [2021-11-03 03:50:09,831 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@299ba3e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:50:09, skipping insertion in model container [2021-11-03 03:50:09,831 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 03:50:09" (1/1) ... [2021-11-03 03:50:09,839 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-03 03:50:09,865 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-03 03:50:10,076 WARN L228 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_e8ac0a09-3796-4ec5-b274-d737b0cff967/sv-benchmarks/c/float-benchs/cos_polynomial.c[619,632] [2021-11-03 03:50:10,122 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-03 03:50:10,133 INFO L203 MainTranslator]: Completed pre-run [2021-11-03 03:50:10,159 WARN L228 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_e8ac0a09-3796-4ec5-b274-d737b0cff967/sv-benchmarks/c/float-benchs/cos_polynomial.c[619,632] [2021-11-03 03:50:10,185 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-03 03:50:10,202 INFO L208 MainTranslator]: Completed translation [2021-11-03 03:50:10,202 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:50:10 WrapperNode [2021-11-03 03:50:10,202 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-03 03:50:10,204 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-03 03:50:10,204 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-03 03:50:10,204 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-03 03:50:10,214 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:50:10" (1/1) ... [2021-11-03 03:50:10,224 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:50:10" (1/1) ... [2021-11-03 03:50:10,256 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-03 03:50:10,257 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-03 03:50:10,258 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-03 03:50:10,258 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-03 03:50:10,267 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:50:10" (1/1) ... [2021-11-03 03:50:10,268 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:50:10" (1/1) ... [2021-11-03 03:50:10,280 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:50:10" (1/1) ... [2021-11-03 03:50:10,281 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:50:10" (1/1) ... [2021-11-03 03:50:10,286 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:50:10" (1/1) ... [2021-11-03 03:50:10,288 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:50:10" (1/1) ... [2021-11-03 03:50:10,290 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:50:10" (1/1) ... [2021-11-03 03:50:10,305 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-03 03:50:10,306 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-03 03:50:10,306 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-03 03:50:10,306 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-03 03:50:10,309 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:50:10" (1/1) ... [2021-11-03 03:50:10,318 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-03 03:50:10,332 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8ac0a09-3796-4ec5-b274-d737b0cff967/bin/utaipan-aC7eJsxGYH/z3 [2021-11-03 03:50:10,353 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8ac0a09-3796-4ec5-b274-d737b0cff967/bin/utaipan-aC7eJsxGYH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-03 03:50:10,371 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8ac0a09-3796-4ec5-b274-d737b0cff967/bin/utaipan-aC7eJsxGYH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-03 03:50:10,411 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-03 03:50:10,411 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-03 03:50:10,413 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-03 03:50:10,413 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-03 03:50:10,922 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-03 03:50:10,922 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-11-03 03:50:10,925 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 03:50:10 BoogieIcfgContainer [2021-11-03 03:50:10,925 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-03 03:50:10,927 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-03 03:50:10,927 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-03 03:50:10,938 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-03 03:50:10,939 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 03:50:09" (1/3) ... [2021-11-03 03:50:10,941 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@342d407c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 03:50:10, skipping insertion in model container [2021-11-03 03:50:10,941 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:50:10" (2/3) ... [2021-11-03 03:50:10,942 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@342d407c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 03:50:10, skipping insertion in model container [2021-11-03 03:50:10,942 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 03:50:10" (3/3) ... [2021-11-03 03:50:10,944 INFO L111 eAbstractionObserver]: Analyzing ICFG cos_polynomial.c [2021-11-03 03:50:10,949 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-03 03:50:10,949 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-03 03:50:11,004 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-03 03:50:11,012 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 [2021-11-03 03:50:11,012 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-03 03:50:11,029 INFO L276 IsEmpty]: Start isEmpty. Operand has 6 states, 4 states have (on average 1.5) internal successors, (6), 5 states have internal predecessors, (6), 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) [2021-11-03 03:50:11,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-03 03:50:11,035 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 03:50:11,035 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1] [2021-11-03 03:50:11,036 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 03:50:11,043 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 03:50:11,043 INFO L85 PathProgramCache]: Analyzing trace with hash 87548, now seen corresponding path program 1 times [2021-11-03 03:50:11,056 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-03 03:50:11,056 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1687285318] [2021-11-03 03:50:11,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 03:50:11,058 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-03 03:50:11,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-03 03:50:11,208 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-03 03:50:11,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-03 03:50:11,272 INFO L133 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2021-11-03 03:50:11,274 INFO L627 BasicCegarLoop]: Counterexample is feasible [2021-11-03 03:50:11,276 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-11-03 03:50:11,278 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-03 03:50:11,283 INFO L731 BasicCegarLoop]: Path program histogram: [1] [2021-11-03 03:50:11,286 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-03 03:50:11,330 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.11 03:50:11 BoogieIcfgContainer [2021-11-03 03:50:11,331 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-03 03:50:11,336 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-03 03:50:11,336 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-03 03:50:11,337 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-03 03:50:11,337 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 03:50:10" (3/4) ... [2021-11-03 03:50:11,341 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-03 03:50:11,341 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-03 03:50:11,345 INFO L168 Benchmark]: Toolchain (without parser) took 1527.17 ms. Allocated memory was 109.1 MB in the beginning and 132.1 MB in the end (delta: 23.1 MB). Free memory was 76.1 MB in the beginning and 107.5 MB in the end (delta: -31.4 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-03 03:50:11,346 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 109.1 MB. Free memory is still 61.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-11-03 03:50:11,348 INFO L168 Benchmark]: CACSL2BoogieTranslator took 380.01 ms. Allocated memory is still 109.1 MB. Free memory was 75.8 MB in the beginning and 83.6 MB in the end (delta: -7.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-11-03 03:50:11,350 INFO L168 Benchmark]: Boogie Procedure Inliner took 52.72 ms. Allocated memory is still 109.1 MB. Free memory was 83.6 MB in the beginning and 81.8 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-11-03 03:50:11,352 INFO L168 Benchmark]: Boogie Preprocessor took 47.50 ms. Allocated memory is still 109.1 MB. Free memory was 81.8 MB in the beginning and 80.7 MB in the end (delta: 1.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-11-03 03:50:11,353 INFO L168 Benchmark]: RCFGBuilder took 619.64 ms. Allocated memory is still 109.1 MB. Free memory was 80.7 MB in the beginning and 65.7 MB in the end (delta: 15.1 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-11-03 03:50:11,362 INFO L168 Benchmark]: TraceAbstraction took 403.86 ms. Allocated memory was 109.1 MB in the beginning and 132.1 MB in the end (delta: 23.1 MB). Free memory was 65.3 MB in the beginning and 107.8 MB in the end (delta: -42.5 MB). Peak memory consumption was 19.0 MB. Max. memory is 16.1 GB. [2021-11-03 03:50:11,363 INFO L168 Benchmark]: Witness Printer took 6.21 ms. Allocated memory is still 132.1 MB. Free memory was 107.8 MB in the beginning and 107.5 MB in the end (delta: 324.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-03 03:50:11,371 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 109.1 MB. Free memory is still 61.0 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 380.01 ms. Allocated memory is still 109.1 MB. Free memory was 75.8 MB in the beginning and 83.6 MB in the end (delta: -7.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 52.72 ms. Allocated memory is still 109.1 MB. Free memory was 83.6 MB in the beginning and 81.8 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 47.50 ms. Allocated memory is still 109.1 MB. Free memory was 81.8 MB in the beginning and 80.7 MB in the end (delta: 1.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 619.64 ms. Allocated memory is still 109.1 MB. Free memory was 80.7 MB in the beginning and 65.7 MB in the end (delta: 15.1 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * TraceAbstraction took 403.86 ms. Allocated memory was 109.1 MB in the beginning and 132.1 MB in the end (delta: 23.1 MB). Free memory was 65.3 MB in the beginning and 107.8 MB in the end (delta: -42.5 MB). Peak memory consumption was 19.0 MB. Max. memory is 16.1 GB. * Witness Printer took 6.21 ms. Allocated memory is still 132.1 MB. Free memory was 107.8 MB in the beginning and 107.5 MB in the end (delta: 324.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * 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: 14]: 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 17, overapproximation of someBinaryArithmeticDOUBLEoperation at line 26, overapproximation of someBinaryDOUBLEComparisonOperation at line 52. Possible FailurePath: [L16] double C1 = 4.16666666666666019037e-02; [L17] double C2 = -1.38888888888741095749e-03; [L18] double C3 = 2.48015872894767294178e-05; [L19] double C4 = -2.75573143513906633035e-07; [L20] double C5 = 2.08757232129817482790e-09; [L21] double C6 = -1.13596475577881948265e-11; [L49] double a, r; [L51] a = __VERIFIER_nondet_double() [L12] COND FALSE !(!cond) [L25] double a, hz, z, r, qx, zr; [L26] z = x*x [L27] COND FALSE !(x < 0.) [L28] hz = 0.5 * z [L29] r = z*(C1+z*(C2+z*(C3+z*(C4+z*(C5+z*C6))))) [L30] zr = z*r [L31] COND FALSE !(x < 0.3) [L35] COND FALSE !(x > 0.78125) [L39] qx = x/4. [L41] hz = hz-qx [L42] a = 1.-qx [L43] return a-(hz-zr); [L54] r = mcos(a) [L14] COND TRUE !(cond) VAL [C1=416666666666666019037/10000000000000000000000, C3=124007936447383647089/5000000000000000000000000, C5=20875723212981748279/10000000000000000000000000000] [L14] reach_error() VAL [C1=416666666666666019037/10000000000000000000000, C3=124007936447383647089/5000000000000000000000000, C5=20875723212981748279/10000000000000000000000000000] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 6 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.2s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=6occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 3 NumberOfCodeBlocks, 3 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2021-11-03 03:50:11,425 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8ac0a09-3796-4ec5-b274-d737b0cff967/bin/utaipan-aC7eJsxGYH/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_e8ac0a09-3796-4ec5-b274-d737b0cff967/bin/utaipan-aC7eJsxGYH/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8ac0a09-3796-4ec5-b274-d737b0cff967/bin/utaipan-aC7eJsxGYH/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8ac0a09-3796-4ec5-b274-d737b0cff967/bin/utaipan-aC7eJsxGYH/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8ac0a09-3796-4ec5-b274-d737b0cff967/bin/utaipan-aC7eJsxGYH/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-benchs/cos_polynomial.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8ac0a09-3796-4ec5-b274-d737b0cff967/bin/utaipan-aC7eJsxGYH/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8ac0a09-3796-4ec5-b274-d737b0cff967/bin/utaipan-aC7eJsxGYH --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 c41c899e123885a0a5b4b47d325ecb3bae7fd8ace0e033e73eafae066c754dcb --- Real Ultimate output --- This is Ultimate 0.2.1-dev-9ad7fb2 [2021-11-03 03:50:14,385 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-03 03:50:14,387 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-03 03:50:14,447 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-03 03:50:14,448 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-03 03:50:14,455 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-03 03:50:14,457 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-03 03:50:14,463 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-03 03:50:14,467 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-03 03:50:14,480 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-03 03:50:14,481 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-03 03:50:14,483 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-03 03:50:14,484 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-03 03:50:14,487 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-03 03:50:14,490 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-03 03:50:14,496 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-03 03:50:14,498 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-03 03:50:14,499 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-03 03:50:14,502 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-03 03:50:14,511 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-03 03:50:14,514 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-03 03:50:14,520 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-03 03:50:14,521 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-03 03:50:14,523 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-03 03:50:14,527 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-03 03:50:14,527 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-03 03:50:14,528 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-03 03:50:14,529 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-03 03:50:14,530 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-03 03:50:14,531 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-03 03:50:14,531 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-03 03:50:14,532 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-03 03:50:14,534 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-03 03:50:14,535 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-03 03:50:14,536 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-03 03:50:14,536 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-03 03:50:14,537 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-03 03:50:14,537 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-03 03:50:14,538 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-03 03:50:14,539 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-03 03:50:14,540 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-03 03:50:14,541 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8ac0a09-3796-4ec5-b274-d737b0cff967/bin/utaipan-aC7eJsxGYH/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-11-03 03:50:14,588 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-03 03:50:14,588 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-03 03:50:14,590 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-03 03:50:14,590 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-03 03:50:14,590 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-03 03:50:14,591 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-03 03:50:14,591 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-03 03:50:14,591 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-03 03:50:14,591 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-03 03:50:14,593 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-03 03:50:14,594 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-03 03:50:14,594 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-03 03:50:14,595 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-03 03:50:14,595 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-03 03:50:14,595 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-03 03:50:14,595 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-03 03:50:14,596 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-03 03:50:14,596 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-03 03:50:14,596 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-03 03:50:14,596 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-03 03:50:14,597 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-03 03:50:14,597 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-03 03:50:14,597 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-03 03:50:14,598 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-03 03:50:14,598 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-03 03:50:14,598 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-03 03:50:14,598 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-03 03:50:14,599 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-03 03:50:14,599 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-03 03:50:14,599 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-03 03:50:14,599 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-03 03:50:14,600 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-03 03:50:14,600 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-03 03:50:14,600 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-03 03:50:14,601 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-03 03:50:14,601 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_e8ac0a09-3796-4ec5-b274-d737b0cff967/bin/utaipan-aC7eJsxGYH/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8ac0a09-3796-4ec5-b274-d737b0cff967/bin/utaipan-aC7eJsxGYH Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c41c899e123885a0a5b4b47d325ecb3bae7fd8ace0e033e73eafae066c754dcb [2021-11-03 03:50:15,030 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-03 03:50:15,055 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-03 03:50:15,058 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-03 03:50:15,060 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-03 03:50:15,061 INFO L275 PluginConnector]: CDTParser initialized [2021-11-03 03:50:15,062 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8ac0a09-3796-4ec5-b274-d737b0cff967/bin/utaipan-aC7eJsxGYH/../../sv-benchmarks/c/float-benchs/cos_polynomial.c [2021-11-03 03:50:15,144 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8ac0a09-3796-4ec5-b274-d737b0cff967/bin/utaipan-aC7eJsxGYH/data/e6efca7c6/d413a73633354a7e8f75db0b0d61eb9b/FLAG73ed92e85 [2021-11-03 03:50:15,741 INFO L306 CDTParser]: Found 1 translation units. [2021-11-03 03:50:15,741 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8ac0a09-3796-4ec5-b274-d737b0cff967/sv-benchmarks/c/float-benchs/cos_polynomial.c [2021-11-03 03:50:15,752 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8ac0a09-3796-4ec5-b274-d737b0cff967/bin/utaipan-aC7eJsxGYH/data/e6efca7c6/d413a73633354a7e8f75db0b0d61eb9b/FLAG73ed92e85 [2021-11-03 03:50:16,090 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8ac0a09-3796-4ec5-b274-d737b0cff967/bin/utaipan-aC7eJsxGYH/data/e6efca7c6/d413a73633354a7e8f75db0b0d61eb9b [2021-11-03 03:50:16,093 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-03 03:50:16,097 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-03 03:50:16,099 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-03 03:50:16,099 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-03 03:50:16,104 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-03 03:50:16,105 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 03:50:16" (1/1) ... [2021-11-03 03:50:16,106 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6aa1192e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:50:16, skipping insertion in model container [2021-11-03 03:50:16,106 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 03:50:16" (1/1) ... [2021-11-03 03:50:16,115 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-03 03:50:16,133 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-03 03:50:16,304 WARN L228 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_e8ac0a09-3796-4ec5-b274-d737b0cff967/sv-benchmarks/c/float-benchs/cos_polynomial.c[619,632] [2021-11-03 03:50:16,326 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-03 03:50:16,344 INFO L203 MainTranslator]: Completed pre-run [2021-11-03 03:50:16,360 WARN L228 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_e8ac0a09-3796-4ec5-b274-d737b0cff967/sv-benchmarks/c/float-benchs/cos_polynomial.c[619,632] [2021-11-03 03:50:16,371 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-03 03:50:16,396 INFO L208 MainTranslator]: Completed translation [2021-11-03 03:50:16,397 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:50:16 WrapperNode [2021-11-03 03:50:16,397 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-03 03:50:16,398 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-03 03:50:16,399 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-03 03:50:16,399 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-03 03:50:16,408 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:50:16" (1/1) ... [2021-11-03 03:50:16,420 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:50:16" (1/1) ... [2021-11-03 03:50:16,475 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-03 03:50:16,476 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-03 03:50:16,476 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-03 03:50:16,476 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-03 03:50:16,498 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:50:16" (1/1) ... [2021-11-03 03:50:16,499 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:50:16" (1/1) ... [2021-11-03 03:50:16,503 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:50:16" (1/1) ... [2021-11-03 03:50:16,504 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:50:16" (1/1) ... [2021-11-03 03:50:16,513 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:50:16" (1/1) ... [2021-11-03 03:50:16,516 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:50:16" (1/1) ... [2021-11-03 03:50:16,528 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:50:16" (1/1) ... [2021-11-03 03:50:16,532 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-03 03:50:16,533 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-03 03:50:16,533 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-03 03:50:16,534 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-03 03:50:16,535 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:50:16" (1/1) ... [2021-11-03 03:50:16,550 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-03 03:50:16,566 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8ac0a09-3796-4ec5-b274-d737b0cff967/bin/utaipan-aC7eJsxGYH/z3 [2021-11-03 03:50:16,581 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8ac0a09-3796-4ec5-b274-d737b0cff967/bin/utaipan-aC7eJsxGYH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-03 03:50:16,588 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8ac0a09-3796-4ec5-b274-d737b0cff967/bin/utaipan-aC7eJsxGYH/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-03 03:50:16,642 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-03 03:50:16,642 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-03 03:50:16,643 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-03 03:50:16,643 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-03 03:50:24,165 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-03 03:50:24,165 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-11-03 03:50:24,168 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 03:50:24 BoogieIcfgContainer [2021-11-03 03:50:24,168 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-03 03:50:24,171 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-03 03:50:24,171 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-03 03:50:24,175 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-03 03:50:24,175 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 03:50:16" (1/3) ... [2021-11-03 03:50:24,176 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10717ebd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 03:50:24, skipping insertion in model container [2021-11-03 03:50:24,176 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 03:50:16" (2/3) ... [2021-11-03 03:50:24,177 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10717ebd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 03:50:24, skipping insertion in model container [2021-11-03 03:50:24,177 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 03:50:24" (3/3) ... [2021-11-03 03:50:24,179 INFO L111 eAbstractionObserver]: Analyzing ICFG cos_polynomial.c [2021-11-03 03:50:24,186 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-03 03:50:24,186 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-03 03:50:24,247 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-03 03:50:24,255 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 [2021-11-03 03:50:24,256 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-03 03:50:24,273 INFO L276 IsEmpty]: Start isEmpty. Operand has 17 states, 15 states have (on average 1.4) internal successors, (21), 16 states have internal predecessors, (21), 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) [2021-11-03 03:50:24,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-03 03:50:24,279 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 03:50:24,280 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 03:50:24,296 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 03:50:24,309 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 03:50:24,310 INFO L85 PathProgramCache]: Analyzing trace with hash -1236255304, now seen corresponding path program 1 times [2021-11-03 03:50:24,344 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 03:50:24,345 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1281194522] [2021-11-03 03:50:24,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 03:50:24,347 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 03:50:24,347 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8ac0a09-3796-4ec5-b274-d737b0cff967/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 03:50:24,351 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8ac0a09-3796-4ec5-b274-d737b0cff967/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 03:50:24,363 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8ac0a09-3796-4ec5-b274-d737b0cff967/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-11-03 03:50:26,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 03:50:27,151 INFO L263 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 1 conjunts are in the unsatisfiable core [2021-11-03 03:50:27,156 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 03:50:27,291 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 03:50:27,291 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 03:50:27,443 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 03:50:27,444 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 03:50:27,444 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1281194522] [2021-11-03 03:50:27,445 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1281194522] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 03:50:27,445 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 03:50:27,446 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-11-03 03:50:27,448 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1691050131] [2021-11-03 03:50:27,454 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-03 03:50:27,454 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 03:50:27,481 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-03 03:50:27,482 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-03 03:50:27,500 INFO L87 Difference]: Start difference. First operand has 17 states, 15 states have (on average 1.4) internal successors, (21), 16 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 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) [2021-11-03 03:50:27,536 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 03:50:27,536 INFO L93 Difference]: Finished difference Result 31 states and 38 transitions. [2021-11-03 03:50:27,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-03 03:50:27,538 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 [2021-11-03 03:50:27,538 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 03:50:27,547 INFO L225 Difference]: With dead ends: 31 [2021-11-03 03:50:27,547 INFO L226 Difference]: Without dead ends: 13 [2021-11-03 03:50:27,550 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-03 03:50:27,597 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2021-11-03 03:50:27,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2021-11-03 03:50:27,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 12 states have (on average 1.25) internal successors, (15), 12 states have internal predecessors, (15), 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) [2021-11-03 03:50:27,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 15 transitions. [2021-11-03 03:50:27,644 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 15 transitions. Word has length 10 [2021-11-03 03:50:27,644 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 03:50:27,644 INFO L470 AbstractCegarLoop]: Abstraction has 13 states and 15 transitions. [2021-11-03 03:50:27,645 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) [2021-11-03 03:50:27,645 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 15 transitions. [2021-11-03 03:50:27,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-03 03:50:27,646 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 03:50:27,646 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 03:50:27,730 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8ac0a09-3796-4ec5-b274-d737b0cff967/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-11-03 03:50:27,847 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8ac0a09-3796-4ec5-b274-d737b0cff967/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 03:50:27,847 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 03:50:27,848 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 03:50:27,849 INFO L85 PathProgramCache]: Analyzing trace with hash -2045601930, now seen corresponding path program 1 times [2021-11-03 03:50:27,849 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 03:50:27,850 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1227914908] [2021-11-03 03:50:27,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 03:50:27,850 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 03:50:27,850 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8ac0a09-3796-4ec5-b274-d737b0cff967/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 03:50:27,852 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8ac0a09-3796-4ec5-b274-d737b0cff967/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 03:50:27,861 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8ac0a09-3796-4ec5-b274-d737b0cff967/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-11-03 03:52:14,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 03:52:14,541 INFO L263 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 22 conjunts are in the unsatisfiable core [2021-11-03 03:52:14,544 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 03:52:40,085 WARN L207 SmtUtils]: Spent 11.17 s on a formula simplification that was a NOOP. DAG size: 42 [2021-11-03 03:53:09,891 WARN L207 SmtUtils]: Spent 5.08 s on a formula simplification that was a NOOP. DAG size: 8 [2021-11-03 03:53:19,765 WARN L207 SmtUtils]: Spent 5.12 s on a formula simplification that was a NOOP. DAG size: 6 [2021-11-03 03:53:24,887 WARN L207 SmtUtils]: Spent 5.12 s on a formula simplification that was a NOOP. DAG size: 3 [2021-11-03 03:53:27,232 WARN L838 $PredicateComparison]: unable to prove that (and (exists ((v_ULTIMATE.start_mcos_~x_12 (_ FloatingPoint 11 53))) (let ((.cse1 (fp.mul c_currentRoundingMode v_ULTIMATE.start_mcos_~x_12 v_ULTIMATE.start_mcos_~x_12)) (.cse0 ((_ to_fp 11 53) c_currentRoundingMode (/ 1.0 2.0)))) (and (= (fp.mul c_currentRoundingMode .cse0 .cse1) c_ULTIMATE.start_mcos_~hz~0) (= c_ULTIMATE.start_mcos_~zr~0 (fp.mul c_currentRoundingMode .cse1 (fp.mul c_currentRoundingMode .cse1 (fp.add c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (/ 416666666666666019037.0 10000000000000000000000.0)) (fp.mul c_currentRoundingMode .cse1 (fp.add c_currentRoundingMode (fp.neg ((_ to_fp 11 53) c_currentRoundingMode (/ 138888888888741095749.0 100000000000000000000000.0))) (fp.mul c_currentRoundingMode .cse1 (fp.add c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (/ 124007936447383647089.0 5000000000000000000000000.0)) (fp.mul c_currentRoundingMode .cse1 (fp.add c_currentRoundingMode (fp.neg ((_ to_fp 11 53) c_currentRoundingMode (/ 55114628702781326607.0 200000000000000000000000000.0))) (fp.mul c_currentRoundingMode .cse1 (fp.add c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (/ 20875723212981748279.0 10000000000000000000000000000.0)) (fp.mul c_currentRoundingMode .cse1 (fp.neg ((_ to_fp 11 53) c_currentRoundingMode (/ 22719295115576389653.0 2000000000000000000000000000000.0)))))))))))))))) (fp.geq v_ULTIMATE.start_mcos_~x_12 (fp.neg .cse0)) (fp.lt v_ULTIMATE.start_mcos_~x_12 (_ +zero 11 53))))) (= c_currentRoundingMode roundNearestTiesToEven)) is different from false [2021-11-03 03:53:37,395 WARN L207 SmtUtils]: Spent 5.26 s on a formula simplification that was a NOOP. DAG size: 6 [2021-11-03 03:53:42,693 WARN L207 SmtUtils]: Spent 5.30 s on a formula simplification that was a NOOP. DAG size: 3 [2021-11-03 03:53:45,200 WARN L838 $PredicateComparison]: unable to prove that (and (exists ((v_ULTIMATE.start_mcos_~x_12 (_ FloatingPoint 11 53))) (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode (/ 1.0 2.0)))) (and (= |c_ULTIMATE.start_mcos_#res| (fp.sub c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode 1.0) (let ((.cse1 (fp.mul c_currentRoundingMode v_ULTIMATE.start_mcos_~x_12 v_ULTIMATE.start_mcos_~x_12))) (fp.sub c_currentRoundingMode (fp.mul c_currentRoundingMode .cse0 .cse1) (fp.mul c_currentRoundingMode .cse1 (fp.mul c_currentRoundingMode .cse1 (fp.add c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (/ 416666666666666019037.0 10000000000000000000000.0)) (fp.mul c_currentRoundingMode .cse1 (fp.add c_currentRoundingMode (fp.neg ((_ to_fp 11 53) c_currentRoundingMode (/ 138888888888741095749.0 100000000000000000000000.0))) (fp.mul c_currentRoundingMode .cse1 (fp.add c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (/ 124007936447383647089.0 5000000000000000000000000.0)) (fp.mul c_currentRoundingMode .cse1 (fp.add c_currentRoundingMode (fp.neg ((_ to_fp 11 53) c_currentRoundingMode (/ 55114628702781326607.0 200000000000000000000000000.0))) (fp.mul c_currentRoundingMode .cse1 (fp.add c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (/ 20875723212981748279.0 10000000000000000000000000000.0)) (fp.mul c_currentRoundingMode .cse1 (fp.neg ((_ to_fp 11 53) c_currentRoundingMode (/ 22719295115576389653.0 2000000000000000000000000000000.0))))))))))))))))))) (fp.geq v_ULTIMATE.start_mcos_~x_12 (fp.neg .cse0)) (fp.lt v_ULTIMATE.start_mcos_~x_12 (_ +zero 11 53))))) (= c_currentRoundingMode roundNearestTiesToEven)) is different from false [2021-11-03 03:53:53,014 WARN L207 SmtUtils]: Spent 5.33 s on a formula simplification that was a NOOP. DAG size: 40 [2021-11-03 03:53:58,379 WARN L207 SmtUtils]: Spent 5.36 s on a formula simplification that was a NOOP. DAG size: 39 [2021-11-03 03:54:03,694 WARN L207 SmtUtils]: Spent 5.31 s on a formula simplification that was a NOOP. DAG size: 6 [2021-11-03 03:54:09,054 WARN L207 SmtUtils]: Spent 5.36 s on a formula simplification that was a NOOP. DAG size: 3 [2021-11-03 03:54:19,264 WARN L207 SmtUtils]: Spent 5.37 s on a formula simplification that was a NOOP. DAG size: 6 [2021-11-03 03:54:29,484 WARN L207 SmtUtils]: Spent 5.35 s on a formula simplification that was a NOOP. DAG size: 3 [2021-11-03 03:54:37,257 WARN L207 SmtUtils]: Spent 5.36 s on a formula simplification that was a NOOP. DAG size: 6 [2021-11-03 03:54:42,602 WARN L207 SmtUtils]: Spent 5.34 s on a formula simplification that was a NOOP. DAG size: 3 [2021-11-03 03:54:52,904 WARN L207 SmtUtils]: Spent 5.38 s on a formula simplification that was a NOOP. DAG size: 41 [2021-11-03 03:54:58,387 WARN L207 SmtUtils]: Spent 5.48 s on a formula simplification that was a NOOP. DAG size: 40 [2021-11-03 03:55:03,779 WARN L207 SmtUtils]: Spent 5.39 s on a formula simplification that was a NOOP. DAG size: 6 [2021-11-03 03:55:09,115 WARN L207 SmtUtils]: Spent 5.34 s on a formula simplification that was a NOOP. DAG size: 3 [2021-11-03 03:55:14,489 WARN L207 SmtUtils]: Spent 5.37 s on a formula simplification that was a NOOP. DAG size: 40 [2021-11-03 03:55:19,844 WARN L207 SmtUtils]: Spent 5.35 s on a formula simplification that was a NOOP. DAG size: 39 [2021-11-03 03:55:25,225 WARN L207 SmtUtils]: Spent 5.38 s on a formula simplification that was a NOOP. DAG size: 3 [2021-11-03 03:55:30,559 WARN L207 SmtUtils]: Spent 5.33 s on a formula simplification that was a NOOP. DAG size: 41 [2021-11-03 03:55:35,896 WARN L207 SmtUtils]: Spent 5.34 s on a formula simplification that was a NOOP. DAG size: 40 [2021-11-03 03:55:41,286 WARN L207 SmtUtils]: Spent 5.39 s on a formula simplification that was a NOOP. DAG size: 3 [2021-11-03 03:55:46,586 WARN L207 SmtUtils]: Spent 5.30 s on a formula simplification that was a NOOP. DAG size: 6 [2021-11-03 03:55:51,853 WARN L207 SmtUtils]: Spent 5.27 s on a formula simplification that was a NOOP. DAG size: 3 [2021-11-03 03:55:54,290 WARN L838 $PredicateComparison]: unable to prove that (exists ((v_ULTIMATE.start_mcos_~x_12 (_ FloatingPoint 11 53))) (let ((.cse3 ((_ to_fp 11 53) roundNearestTiesToEven (/ 1.0 2.0)))) (and (let ((.cse2 (fp.sub roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1.0) (let ((.cse4 (fp.mul roundNearestTiesToEven v_ULTIMATE.start_mcos_~x_12 v_ULTIMATE.start_mcos_~x_12))) (fp.sub roundNearestTiesToEven (fp.mul roundNearestTiesToEven .cse3 .cse4) (fp.mul roundNearestTiesToEven .cse4 (fp.mul roundNearestTiesToEven .cse4 (fp.add roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven (/ 416666666666666019037.0 10000000000000000000000.0)) (fp.mul roundNearestTiesToEven .cse4 (fp.add roundNearestTiesToEven (fp.neg ((_ to_fp 11 53) roundNearestTiesToEven (/ 138888888888741095749.0 100000000000000000000000.0))) (fp.mul roundNearestTiesToEven .cse4 (fp.add roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven (/ 124007936447383647089.0 5000000000000000000000000.0)) (fp.mul roundNearestTiesToEven .cse4 (fp.add roundNearestTiesToEven (fp.neg ((_ to_fp 11 53) roundNearestTiesToEven (/ 55114628702781326607.0 200000000000000000000000000.0))) (fp.mul roundNearestTiesToEven .cse4 (fp.add roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven (/ 20875723212981748279.0 10000000000000000000000000000.0)) (fp.mul roundNearestTiesToEven .cse4 (fp.neg ((_ to_fp 11 53) roundNearestTiesToEven (/ 22719295115576389653.0 2000000000000000000000000000000.0)))))))))))))))))))) (let ((.cse0 (fp.leq .cse2 ((_ to_fp 11 53) roundNearestTiesToEven (/ 11.0 10.0)))) (.cse1 (fp.geq .cse2 (_ +zero 11 53)))) (or (and .cse0 .cse1 (= c_ULTIMATE.start___VERIFIER_assert_~cond (_ bv1 32))) (and (or (not .cse0) (not .cse1)) (= c_ULTIMATE.start___VERIFIER_assert_~cond (_ bv0 32)))))) (fp.geq v_ULTIMATE.start_mcos_~x_12 (fp.neg .cse3)) (fp.lt v_ULTIMATE.start_mcos_~x_12 (_ +zero 11 53))))) is different from false [2021-11-03 03:55:56,499 WARN L860 $PredicateComparison]: unable to prove that (exists ((v_ULTIMATE.start_mcos_~x_12 (_ FloatingPoint 11 53))) (let ((.cse3 ((_ to_fp 11 53) roundNearestTiesToEven (/ 1.0 2.0)))) (and (let ((.cse2 (fp.sub roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1.0) (let ((.cse4 (fp.mul roundNearestTiesToEven v_ULTIMATE.start_mcos_~x_12 v_ULTIMATE.start_mcos_~x_12))) (fp.sub roundNearestTiesToEven (fp.mul roundNearestTiesToEven .cse3 .cse4) (fp.mul roundNearestTiesToEven .cse4 (fp.mul roundNearestTiesToEven .cse4 (fp.add roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven (/ 416666666666666019037.0 10000000000000000000000.0)) (fp.mul roundNearestTiesToEven .cse4 (fp.add roundNearestTiesToEven (fp.neg ((_ to_fp 11 53) roundNearestTiesToEven (/ 138888888888741095749.0 100000000000000000000000.0))) (fp.mul roundNearestTiesToEven .cse4 (fp.add roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven (/ 124007936447383647089.0 5000000000000000000000000.0)) (fp.mul roundNearestTiesToEven .cse4 (fp.add roundNearestTiesToEven (fp.neg ((_ to_fp 11 53) roundNearestTiesToEven (/ 55114628702781326607.0 200000000000000000000000000.0))) (fp.mul roundNearestTiesToEven .cse4 (fp.add roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven (/ 20875723212981748279.0 10000000000000000000000000000.0)) (fp.mul roundNearestTiesToEven .cse4 (fp.neg ((_ to_fp 11 53) roundNearestTiesToEven (/ 22719295115576389653.0 2000000000000000000000000000000.0)))))))))))))))))))) (let ((.cse0 (fp.leq .cse2 ((_ to_fp 11 53) roundNearestTiesToEven (/ 11.0 10.0)))) (.cse1 (fp.geq .cse2 (_ +zero 11 53)))) (or (and .cse0 .cse1 (= c_ULTIMATE.start___VERIFIER_assert_~cond (_ bv1 32))) (and (or (not .cse0) (not .cse1)) (= c_ULTIMATE.start___VERIFIER_assert_~cond (_ bv0 32)))))) (fp.geq v_ULTIMATE.start_mcos_~x_12 (fp.neg .cse3)) (fp.lt v_ULTIMATE.start_mcos_~x_12 (_ +zero 11 53))))) is different from true [2021-11-03 03:56:06,671 WARN L207 SmtUtils]: Spent 5.34 s on a formula simplification that was a NOOP. DAG size: 6 [2021-11-03 03:56:17,018 WARN L207 SmtUtils]: Spent 5.40 s on a formula simplification that was a NOOP. DAG size: 3 [2021-11-03 03:56:24,899 WARN L207 SmtUtils]: Spent 5.43 s on a formula simplification that was a NOOP. DAG size: 6 [2021-11-03 03:56:30,337 WARN L207 SmtUtils]: Spent 5.44 s on a formula simplification that was a NOOP. DAG size: 3 [2021-11-03 03:56:35,350 WARN L207 SmtUtils]: Spent 5.01 s on a formula simplification that was a NOOP. DAG size: 40 [2021-11-03 03:56:40,782 WARN L207 SmtUtils]: Spent 5.43 s on a formula simplification that was a NOOP. DAG size: 41 [2021-11-03 03:56:46,224 WARN L207 SmtUtils]: Spent 5.44 s on a formula simplification that was a NOOP. DAG size: 40 [2021-11-03 03:56:51,658 WARN L207 SmtUtils]: Spent 5.43 s on a formula simplification that was a NOOP. DAG size: 6 [2021-11-03 03:56:57,077 WARN L207 SmtUtils]: Spent 5.42 s on a formula simplification that was a NOOP. DAG size: 3 [2021-11-03 03:56:59,530 WARN L838 $PredicateComparison]: unable to prove that (exists ((v_ULTIMATE.start_mcos_~x_12 (_ FloatingPoint 11 53))) (let ((.cse1 ((_ to_fp 11 53) roundNearestTiesToEven (/ 1.0 2.0)))) (and (let ((.cse0 (fp.sub roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1.0) (let ((.cse2 (fp.mul roundNearestTiesToEven v_ULTIMATE.start_mcos_~x_12 v_ULTIMATE.start_mcos_~x_12))) (fp.sub roundNearestTiesToEven (fp.mul roundNearestTiesToEven .cse1 .cse2) (fp.mul roundNearestTiesToEven .cse2 (fp.mul roundNearestTiesToEven .cse2 (fp.add roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven (/ 416666666666666019037.0 10000000000000000000000.0)) (fp.mul roundNearestTiesToEven .cse2 (fp.add roundNearestTiesToEven (fp.neg ((_ to_fp 11 53) roundNearestTiesToEven (/ 138888888888741095749.0 100000000000000000000000.0))) (fp.mul roundNearestTiesToEven .cse2 (fp.add roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven (/ 124007936447383647089.0 5000000000000000000000000.0)) (fp.mul roundNearestTiesToEven .cse2 (fp.add roundNearestTiesToEven (fp.neg ((_ to_fp 11 53) roundNearestTiesToEven (/ 55114628702781326607.0 200000000000000000000000000.0))) (fp.mul roundNearestTiesToEven .cse2 (fp.add roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven (/ 20875723212981748279.0 10000000000000000000000000000.0)) (fp.mul roundNearestTiesToEven .cse2 (fp.neg ((_ to_fp 11 53) roundNearestTiesToEven (/ 22719295115576389653.0 2000000000000000000000000000000.0)))))))))))))))))))) (or (not (fp.leq .cse0 ((_ to_fp 11 53) roundNearestTiesToEven (/ 11.0 10.0)))) (not (fp.geq .cse0 (_ +zero 11 53))))) (fp.geq v_ULTIMATE.start_mcos_~x_12 (fp.neg .cse1)) (fp.lt v_ULTIMATE.start_mcos_~x_12 (_ +zero 11 53))))) is different from false [2021-11-03 03:57:01,757 WARN L860 $PredicateComparison]: unable to prove that (exists ((v_ULTIMATE.start_mcos_~x_12 (_ FloatingPoint 11 53))) (let ((.cse1 ((_ to_fp 11 53) roundNearestTiesToEven (/ 1.0 2.0)))) (and (let ((.cse0 (fp.sub roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1.0) (let ((.cse2 (fp.mul roundNearestTiesToEven v_ULTIMATE.start_mcos_~x_12 v_ULTIMATE.start_mcos_~x_12))) (fp.sub roundNearestTiesToEven (fp.mul roundNearestTiesToEven .cse1 .cse2) (fp.mul roundNearestTiesToEven .cse2 (fp.mul roundNearestTiesToEven .cse2 (fp.add roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven (/ 416666666666666019037.0 10000000000000000000000.0)) (fp.mul roundNearestTiesToEven .cse2 (fp.add roundNearestTiesToEven (fp.neg ((_ to_fp 11 53) roundNearestTiesToEven (/ 138888888888741095749.0 100000000000000000000000.0))) (fp.mul roundNearestTiesToEven .cse2 (fp.add roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven (/ 124007936447383647089.0 5000000000000000000000000.0)) (fp.mul roundNearestTiesToEven .cse2 (fp.add roundNearestTiesToEven (fp.neg ((_ to_fp 11 53) roundNearestTiesToEven (/ 55114628702781326607.0 200000000000000000000000000.0))) (fp.mul roundNearestTiesToEven .cse2 (fp.add roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven (/ 20875723212981748279.0 10000000000000000000000000000.0)) (fp.mul roundNearestTiesToEven .cse2 (fp.neg ((_ to_fp 11 53) roundNearestTiesToEven (/ 22719295115576389653.0 2000000000000000000000000000000.0)))))))))))))))))))) (or (not (fp.leq .cse0 ((_ to_fp 11 53) roundNearestTiesToEven (/ 11.0 10.0)))) (not (fp.geq .cse0 (_ +zero 11 53))))) (fp.geq v_ULTIMATE.start_mcos_~x_12 (fp.neg .cse1)) (fp.lt v_ULTIMATE.start_mcos_~x_12 (_ +zero 11 53))))) is different from true [2021-11-03 03:57:01,758 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 03:57:01,758 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-03 03:57:32,067 WARN L207 SmtUtils]: Spent 6.37 s on a formula simplification that was a NOOP. DAG size: 13 [2021-11-03 03:57:37,587 WARN L207 SmtUtils]: Spent 5.51 s on a formula simplification that was a NOOP. DAG size: 30 [2021-11-03 03:57:43,039 WARN L207 SmtUtils]: Spent 5.45 s on a formula simplification that was a NOOP. DAG size: 29 [2021-11-03 03:57:45,513 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse0 (fp.sub c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode 1.0) (fp.sub c_currentRoundingMode (fp.mul c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (/ 1.0 2.0)) c_ULTIMATE.start_mcos_~z~0) (fp.mul c_currentRoundingMode c_ULTIMATE.start_mcos_~z~0 (fp.mul c_currentRoundingMode c_ULTIMATE.start_mcos_~z~0 (fp.add c_currentRoundingMode c_~C1~0 (fp.mul c_currentRoundingMode c_ULTIMATE.start_mcos_~z~0 (fp.add c_currentRoundingMode c_~C2~0 (fp.mul c_currentRoundingMode c_ULTIMATE.start_mcos_~z~0 (fp.add c_currentRoundingMode c_~C3~0 (fp.mul c_currentRoundingMode c_ULTIMATE.start_mcos_~z~0 (fp.add c_currentRoundingMode c_~C4~0 (fp.mul c_currentRoundingMode c_ULTIMATE.start_mcos_~z~0 (fp.add c_currentRoundingMode c_~C5~0 (fp.mul c_currentRoundingMode c_ULTIMATE.start_mcos_~z~0 c_~C6~0)))))))))))))))) (and (fp.leq .cse0 ((_ to_fp 11 53) c_currentRoundingMode (/ 11.0 10.0))) (fp.geq .cse0 (_ +zero 11 53)))) is different from false [2021-11-03 03:57:47,974 WARN L860 $PredicateComparison]: unable to prove that (let ((.cse0 (fp.sub c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode 1.0) (fp.sub c_currentRoundingMode (fp.mul c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (/ 1.0 2.0)) c_ULTIMATE.start_mcos_~z~0) (fp.mul c_currentRoundingMode c_ULTIMATE.start_mcos_~z~0 (fp.mul c_currentRoundingMode c_ULTIMATE.start_mcos_~z~0 (fp.add c_currentRoundingMode c_~C1~0 (fp.mul c_currentRoundingMode c_ULTIMATE.start_mcos_~z~0 (fp.add c_currentRoundingMode c_~C2~0 (fp.mul c_currentRoundingMode c_ULTIMATE.start_mcos_~z~0 (fp.add c_currentRoundingMode c_~C3~0 (fp.mul c_currentRoundingMode c_ULTIMATE.start_mcos_~z~0 (fp.add c_currentRoundingMode c_~C4~0 (fp.mul c_currentRoundingMode c_ULTIMATE.start_mcos_~z~0 (fp.add c_currentRoundingMode c_~C5~0 (fp.mul c_currentRoundingMode c_ULTIMATE.start_mcos_~z~0 c_~C6~0)))))))))))))))) (and (fp.leq .cse0 ((_ to_fp 11 53) c_currentRoundingMode (/ 11.0 10.0))) (fp.geq .cse0 (_ +zero 11 53)))) is different from true [2021-11-03 03:57:53,520 WARN L207 SmtUtils]: Spent 5.53 s on a formula simplification that was a NOOP. DAG size: 30 [2021-11-03 03:57:58,979 WARN L207 SmtUtils]: Spent 5.46 s on a formula simplification that was a NOOP. DAG size: 29 [2021-11-03 03:58:04,435 WARN L207 SmtUtils]: Spent 5.46 s on a formula simplification that was a NOOP. DAG size: 4 [2021-11-03 03:58:06,887 WARN L838 $PredicateComparison]: unable to prove that (or (let ((.cse0 (fp.sub c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode 1.0) (fp.sub c_currentRoundingMode (fp.mul c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (/ 1.0 2.0)) c_ULTIMATE.start_mcos_~z~0) (fp.mul c_currentRoundingMode c_ULTIMATE.start_mcos_~z~0 (fp.mul c_currentRoundingMode c_ULTIMATE.start_mcos_~z~0 (fp.add c_currentRoundingMode c_~C1~0 (fp.mul c_currentRoundingMode c_ULTIMATE.start_mcos_~z~0 (fp.add c_currentRoundingMode c_~C2~0 (fp.mul c_currentRoundingMode c_ULTIMATE.start_mcos_~z~0 (fp.add c_currentRoundingMode c_~C3~0 (fp.mul c_currentRoundingMode c_ULTIMATE.start_mcos_~z~0 (fp.add c_currentRoundingMode c_~C4~0 (fp.mul c_currentRoundingMode c_ULTIMATE.start_mcos_~z~0 (fp.add c_currentRoundingMode c_~C5~0 (fp.mul c_currentRoundingMode c_ULTIMATE.start_mcos_~z~0 c_~C6~0)))))))))))))))) (and (fp.leq .cse0 ((_ to_fp 11 53) c_currentRoundingMode (/ 11.0 10.0))) (fp.geq .cse0 (_ +zero 11 53)))) (not (fp.lt c_ULTIMATE.start_mcos_~x (_ +zero 11 53)))) is different from false [2021-11-03 03:58:09,363 WARN L860 $PredicateComparison]: unable to prove that (or (let ((.cse0 (fp.sub c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode 1.0) (fp.sub c_currentRoundingMode (fp.mul c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (/ 1.0 2.0)) c_ULTIMATE.start_mcos_~z~0) (fp.mul c_currentRoundingMode c_ULTIMATE.start_mcos_~z~0 (fp.mul c_currentRoundingMode c_ULTIMATE.start_mcos_~z~0 (fp.add c_currentRoundingMode c_~C1~0 (fp.mul c_currentRoundingMode c_ULTIMATE.start_mcos_~z~0 (fp.add c_currentRoundingMode c_~C2~0 (fp.mul c_currentRoundingMode c_ULTIMATE.start_mcos_~z~0 (fp.add c_currentRoundingMode c_~C3~0 (fp.mul c_currentRoundingMode c_ULTIMATE.start_mcos_~z~0 (fp.add c_currentRoundingMode c_~C4~0 (fp.mul c_currentRoundingMode c_ULTIMATE.start_mcos_~z~0 (fp.add c_currentRoundingMode c_~C5~0 (fp.mul c_currentRoundingMode c_ULTIMATE.start_mcos_~z~0 c_~C6~0)))))))))))))))) (and (fp.leq .cse0 ((_ to_fp 11 53) c_currentRoundingMode (/ 11.0 10.0))) (fp.geq .cse0 (_ +zero 11 53)))) (not (fp.lt c_ULTIMATE.start_mcos_~x (_ +zero 11 53)))) is different from true [2021-11-03 03:58:15,313 WARN L207 SmtUtils]: Spent 5.92 s on a formula simplification that was a NOOP. DAG size: 4 [2021-11-03 03:58:21,008 WARN L207 SmtUtils]: Spent 5.69 s on a formula simplification that was a NOOP. DAG size: 30 [2021-11-03 03:58:26,609 WARN L207 SmtUtils]: Spent 5.60 s on a formula simplification that was a NOOP. DAG size: 31 [2021-11-03 03:58:29,172 WARN L838 $PredicateComparison]: unable to prove that (or (not (fp.lt c_ULTIMATE.start_main_~a~1 (_ +zero 11 53))) (let ((.cse0 (fp.sub c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode 1.0) (let ((.cse1 (fp.mul c_currentRoundingMode c_ULTIMATE.start_main_~a~1 c_ULTIMATE.start_main_~a~1))) (fp.sub c_currentRoundingMode (fp.mul c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (/ 1.0 2.0)) .cse1) (fp.mul c_currentRoundingMode .cse1 (fp.mul c_currentRoundingMode .cse1 (fp.add c_currentRoundingMode c_~C1~0 (fp.mul c_currentRoundingMode .cse1 (fp.add c_currentRoundingMode c_~C2~0 (fp.mul c_currentRoundingMode .cse1 (fp.add c_currentRoundingMode c_~C3~0 (fp.mul c_currentRoundingMode .cse1 (fp.add c_currentRoundingMode c_~C4~0 (fp.mul c_currentRoundingMode .cse1 (fp.add c_currentRoundingMode c_~C5~0 (fp.mul c_currentRoundingMode .cse1 c_~C6~0))))))))))))))))) (and (fp.geq .cse0 (_ +zero 11 53)) (fp.leq .cse0 ((_ to_fp 11 53) c_currentRoundingMode (/ 11.0 10.0)))))) is different from false [2021-11-03 03:58:31,716 WARN L860 $PredicateComparison]: unable to prove that (or (not (fp.lt c_ULTIMATE.start_main_~a~1 (_ +zero 11 53))) (let ((.cse0 (fp.sub c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode 1.0) (let ((.cse1 (fp.mul c_currentRoundingMode c_ULTIMATE.start_main_~a~1 c_ULTIMATE.start_main_~a~1))) (fp.sub c_currentRoundingMode (fp.mul c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (/ 1.0 2.0)) .cse1) (fp.mul c_currentRoundingMode .cse1 (fp.mul c_currentRoundingMode .cse1 (fp.add c_currentRoundingMode c_~C1~0 (fp.mul c_currentRoundingMode .cse1 (fp.add c_currentRoundingMode c_~C2~0 (fp.mul c_currentRoundingMode .cse1 (fp.add c_currentRoundingMode c_~C3~0 (fp.mul c_currentRoundingMode .cse1 (fp.add c_currentRoundingMode c_~C4~0 (fp.mul c_currentRoundingMode .cse1 (fp.add c_currentRoundingMode c_~C5~0 (fp.mul c_currentRoundingMode .cse1 c_~C6~0))))))))))))))))) (and (fp.geq .cse0 (_ +zero 11 53)) (fp.leq .cse0 ((_ to_fp 11 53) c_currentRoundingMode (/ 11.0 10.0)))))) is different from true [2021-11-03 03:58:37,529 WARN L207 SmtUtils]: Spent 5.79 s on a formula simplification that was a NOOP. DAG size: 4 [2021-11-03 03:58:43,315 WARN L207 SmtUtils]: Spent 5.78 s on a formula simplification that was a NOOP. DAG size: 30 [2021-11-03 03:58:49,113 WARN L207 SmtUtils]: Spent 5.80 s on a formula simplification that was a NOOP. DAG size: 31 [2021-11-03 03:58:54,916 WARN L207 SmtUtils]: Spent 5.80 s on a formula simplification that was a NOOP. DAG size: 3 [2021-11-03 03:58:57,508 WARN L838 $PredicateComparison]: unable to prove that (or (not (fp.lt c_ULTIMATE.start_main_~a~1 (_ +zero 11 53))) (let ((.cse0 (fp.sub c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode 1.0) (let ((.cse1 (fp.mul c_currentRoundingMode c_ULTIMATE.start_main_~a~1 c_ULTIMATE.start_main_~a~1))) (fp.sub c_currentRoundingMode (fp.mul c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (/ 1.0 2.0)) .cse1) (fp.mul c_currentRoundingMode .cse1 (fp.mul c_currentRoundingMode .cse1 (fp.add c_currentRoundingMode c_~C1~0 (fp.mul c_currentRoundingMode .cse1 (fp.add c_currentRoundingMode c_~C2~0 (fp.mul c_currentRoundingMode .cse1 (fp.add c_currentRoundingMode c_~C3~0 (fp.mul c_currentRoundingMode .cse1 (fp.add c_currentRoundingMode c_~C4~0 (fp.mul c_currentRoundingMode .cse1 (fp.add c_currentRoundingMode c_~C5~0 (fp.mul c_currentRoundingMode .cse1 c_~C6~0))))))))))))))))) (and (fp.geq .cse0 (_ +zero 11 53)) (fp.leq .cse0 ((_ to_fp 11 53) c_currentRoundingMode (/ 11.0 10.0))))) (= c_ULTIMATE.start_assume_abort_if_not_~cond (_ bv0 32))) is different from false [2021-11-03 03:59:00,070 WARN L860 $PredicateComparison]: unable to prove that (or (not (fp.lt c_ULTIMATE.start_main_~a~1 (_ +zero 11 53))) (let ((.cse0 (fp.sub c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode 1.0) (let ((.cse1 (fp.mul c_currentRoundingMode c_ULTIMATE.start_main_~a~1 c_ULTIMATE.start_main_~a~1))) (fp.sub c_currentRoundingMode (fp.mul c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (/ 1.0 2.0)) .cse1) (fp.mul c_currentRoundingMode .cse1 (fp.mul c_currentRoundingMode .cse1 (fp.add c_currentRoundingMode c_~C1~0 (fp.mul c_currentRoundingMode .cse1 (fp.add c_currentRoundingMode c_~C2~0 (fp.mul c_currentRoundingMode .cse1 (fp.add c_currentRoundingMode c_~C3~0 (fp.mul c_currentRoundingMode .cse1 (fp.add c_currentRoundingMode c_~C4~0 (fp.mul c_currentRoundingMode .cse1 (fp.add c_currentRoundingMode c_~C5~0 (fp.mul c_currentRoundingMode .cse1 c_~C6~0))))))))))))))))) (and (fp.geq .cse0 (_ +zero 11 53)) (fp.leq .cse0 ((_ to_fp 11 53) c_currentRoundingMode (/ 11.0 10.0))))) (= c_ULTIMATE.start_assume_abort_if_not_~cond (_ bv0 32))) is different from true [2021-11-03 03:59:05,507 WARN L207 SmtUtils]: Spent 5.38 s on a formula simplification that was a NOOP. DAG size: 31 [2021-11-03 03:59:11,358 WARN L207 SmtUtils]: Spent 5.85 s on a formula simplification that was a NOOP. DAG size: 7 [2021-11-03 03:59:20,965 WARN L207 SmtUtils]: Spent 5.77 s on a formula simplification that was a NOOP. DAG size: 4 [2021-11-03 03:59:26,169 WARN L207 SmtUtils]: Spent 5.20 s on a formula simplification that was a NOOP. DAG size: 30 [2021-11-03 03:59:31,770 WARN L207 SmtUtils]: Spent 5.59 s on a formula simplification that was a NOOP. DAG size: 7 [2021-11-03 03:59:40,979 WARN L207 SmtUtils]: Spent 5.62 s on a formula simplification that was a NOOP. DAG size: 4 [2021-11-03 03:59:46,666 WARN L207 SmtUtils]: Spent 5.68 s on a formula simplification that was a NOOP. DAG size: 30 [2021-11-03 03:59:52,336 WARN L207 SmtUtils]: Spent 5.67 s on a formula simplification that was a NOOP. DAG size: 31 [2021-11-03 03:59:57,944 WARN L207 SmtUtils]: Spent 5.61 s on a formula simplification that was a NOOP. DAG size: 7 [2021-11-03 04:00:07,367 WARN L207 SmtUtils]: Spent 5.70 s on a formula simplification that was a NOOP. DAG size: 4 [2021-11-03 04:00:09,564 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_ULTIMATE.start_main_~a~1_7 (_ FloatingPoint 11 53))) (let ((.cse1 ((_ to_fp 11 53) c_currentRoundingMode (/ 1.0 2.0)))) (or (let ((.cse0 (fp.sub c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode 1.0) (let ((.cse2 (fp.mul c_currentRoundingMode v_ULTIMATE.start_main_~a~1_7 v_ULTIMATE.start_main_~a~1_7))) (fp.sub c_currentRoundingMode (fp.mul c_currentRoundingMode .cse1 .cse2) (fp.mul c_currentRoundingMode .cse2 (fp.mul c_currentRoundingMode .cse2 (fp.add c_currentRoundingMode c_~C1~0 (fp.mul c_currentRoundingMode .cse2 (fp.add c_currentRoundingMode c_~C2~0 (fp.mul c_currentRoundingMode .cse2 (fp.add c_currentRoundingMode c_~C3~0 (fp.mul c_currentRoundingMode .cse2 (fp.add c_currentRoundingMode c_~C4~0 (fp.mul c_currentRoundingMode .cse2 (fp.add c_currentRoundingMode c_~C5~0 (fp.mul c_currentRoundingMode .cse2 c_~C6~0))))))))))))))))) (and (fp.geq .cse0 (_ +zero 11 53)) (fp.leq .cse0 ((_ to_fp 11 53) c_currentRoundingMode (/ 11.0 10.0))))) (not (fp.geq v_ULTIMATE.start_main_~a~1_7 (fp.neg .cse1))) (not (fp.lt v_ULTIMATE.start_main_~a~1_7 (_ +zero 11 53)))))) is different from false [2021-11-03 04:00:12,073 WARN L860 $PredicateComparison]: unable to prove that (forall ((v_ULTIMATE.start_main_~a~1_7 (_ FloatingPoint 11 53))) (let ((.cse1 ((_ to_fp 11 53) c_currentRoundingMode (/ 1.0 2.0)))) (or (let ((.cse0 (fp.sub c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode 1.0) (let ((.cse2 (fp.mul c_currentRoundingMode v_ULTIMATE.start_main_~a~1_7 v_ULTIMATE.start_main_~a~1_7))) (fp.sub c_currentRoundingMode (fp.mul c_currentRoundingMode .cse1 .cse2) (fp.mul c_currentRoundingMode .cse2 (fp.mul c_currentRoundingMode .cse2 (fp.add c_currentRoundingMode c_~C1~0 (fp.mul c_currentRoundingMode .cse2 (fp.add c_currentRoundingMode c_~C2~0 (fp.mul c_currentRoundingMode .cse2 (fp.add c_currentRoundingMode c_~C3~0 (fp.mul c_currentRoundingMode .cse2 (fp.add c_currentRoundingMode c_~C4~0 (fp.mul c_currentRoundingMode .cse2 (fp.add c_currentRoundingMode c_~C5~0 (fp.mul c_currentRoundingMode .cse2 c_~C6~0))))))))))))))))) (and (fp.geq .cse0 (_ +zero 11 53)) (fp.leq .cse0 ((_ to_fp 11 53) c_currentRoundingMode (/ 11.0 10.0))))) (not (fp.geq v_ULTIMATE.start_main_~a~1_7 (fp.neg .cse1))) (not (fp.lt v_ULTIMATE.start_main_~a~1_7 (_ +zero 11 53)))))) is different from true [2021-11-03 04:00:12,074 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-03 04:00:12,074 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-11-03 04:00:12,075 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1227914908] [2021-11-03 04:00:12,075 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1227914908] provided 2 perfect and 0 imperfect interpolant sequences [2021-11-03 04:00:12,075 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-11-03 04:00:12,075 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9, 9] imperfect sequences [] total 18 [2021-11-03 04:00:12,075 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [280126824] [2021-11-03 04:00:12,077 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2021-11-03 04:00:12,077 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-11-03 04:00:12,078 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-11-03 04:00:12,081 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=64, Unknown=23, NotChecked=216, Total=342 [2021-11-03 04:00:12,082 INFO L87 Difference]: Start difference. First operand 13 states and 15 transitions. Second operand has 19 states, 19 states have (on average 1.0526315789473684) internal successors, (20), 18 states have internal predecessors, (20), 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) [2021-11-03 04:00:15,916 WARN L838 $PredicateComparison]: unable to prove that (and (= ((_ to_fp 11 53) c_currentRoundingMode (/ 416666666666666019037.0 10000000000000000000000.0)) c_~C1~0) (= (fp.neg ((_ to_fp 11 53) c_currentRoundingMode (/ 22719295115576389653.0 2000000000000000000000000000000.0))) c_~C6~0) (= (fp.neg ((_ to_fp 11 53) c_currentRoundingMode (/ 55114628702781326607.0 200000000000000000000000000.0))) c_~C4~0) (= ((_ to_fp 11 53) c_currentRoundingMode (/ 20875723212981748279.0 10000000000000000000000000000.0)) c_~C5~0) (= ((_ to_fp 11 53) c_currentRoundingMode (/ 124007936447383647089.0 5000000000000000000000000.0)) c_~C3~0) (= (fp.neg ((_ to_fp 11 53) c_currentRoundingMode (/ 138888888888741095749.0 100000000000000000000000.0))) c_~C2~0) (forall ((v_ULTIMATE.start_main_~a~1_7 (_ FloatingPoint 11 53))) (let ((.cse1 ((_ to_fp 11 53) c_currentRoundingMode (/ 1.0 2.0)))) (or (let ((.cse0 (fp.sub c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode 1.0) (let ((.cse2 (fp.mul c_currentRoundingMode v_ULTIMATE.start_main_~a~1_7 v_ULTIMATE.start_main_~a~1_7))) (fp.sub c_currentRoundingMode (fp.mul c_currentRoundingMode .cse1 .cse2) (fp.mul c_currentRoundingMode .cse2 (fp.mul c_currentRoundingMode .cse2 (fp.add c_currentRoundingMode c_~C1~0 (fp.mul c_currentRoundingMode .cse2 (fp.add c_currentRoundingMode c_~C2~0 (fp.mul c_currentRoundingMode .cse2 (fp.add c_currentRoundingMode c_~C3~0 (fp.mul c_currentRoundingMode .cse2 (fp.add c_currentRoundingMode c_~C4~0 (fp.mul c_currentRoundingMode .cse2 (fp.add c_currentRoundingMode c_~C5~0 (fp.mul c_currentRoundingMode .cse2 c_~C6~0))))))))))))))))) (and (fp.geq .cse0 (_ +zero 11 53)) (fp.leq .cse0 ((_ to_fp 11 53) c_currentRoundingMode (/ 11.0 10.0))))) (not (fp.geq v_ULTIMATE.start_main_~a~1_7 (fp.neg .cse1))) (not (fp.lt v_ULTIMATE.start_main_~a~1_7 (_ +zero 11 53)))))) (= c_currentRoundingMode roundNearestTiesToEven)) is different from false [2021-11-03 04:00:18,419 WARN L860 $PredicateComparison]: unable to prove that (and (= ((_ to_fp 11 53) c_currentRoundingMode (/ 416666666666666019037.0 10000000000000000000000.0)) c_~C1~0) (= (fp.neg ((_ to_fp 11 53) c_currentRoundingMode (/ 22719295115576389653.0 2000000000000000000000000000000.0))) c_~C6~0) (= (fp.neg ((_ to_fp 11 53) c_currentRoundingMode (/ 55114628702781326607.0 200000000000000000000000000.0))) c_~C4~0) (= ((_ to_fp 11 53) c_currentRoundingMode (/ 20875723212981748279.0 10000000000000000000000000000.0)) c_~C5~0) (= ((_ to_fp 11 53) c_currentRoundingMode (/ 124007936447383647089.0 5000000000000000000000000.0)) c_~C3~0) (= (fp.neg ((_ to_fp 11 53) c_currentRoundingMode (/ 138888888888741095749.0 100000000000000000000000.0))) c_~C2~0) (forall ((v_ULTIMATE.start_main_~a~1_7 (_ FloatingPoint 11 53))) (let ((.cse1 ((_ to_fp 11 53) c_currentRoundingMode (/ 1.0 2.0)))) (or (let ((.cse0 (fp.sub c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode 1.0) (let ((.cse2 (fp.mul c_currentRoundingMode v_ULTIMATE.start_main_~a~1_7 v_ULTIMATE.start_main_~a~1_7))) (fp.sub c_currentRoundingMode (fp.mul c_currentRoundingMode .cse1 .cse2) (fp.mul c_currentRoundingMode .cse2 (fp.mul c_currentRoundingMode .cse2 (fp.add c_currentRoundingMode c_~C1~0 (fp.mul c_currentRoundingMode .cse2 (fp.add c_currentRoundingMode c_~C2~0 (fp.mul c_currentRoundingMode .cse2 (fp.add c_currentRoundingMode c_~C3~0 (fp.mul c_currentRoundingMode .cse2 (fp.add c_currentRoundingMode c_~C4~0 (fp.mul c_currentRoundingMode .cse2 (fp.add c_currentRoundingMode c_~C5~0 (fp.mul c_currentRoundingMode .cse2 c_~C6~0))))))))))))))))) (and (fp.geq .cse0 (_ +zero 11 53)) (fp.leq .cse0 ((_ to_fp 11 53) c_currentRoundingMode (/ 11.0 10.0))))) (not (fp.geq v_ULTIMATE.start_main_~a~1_7 (fp.neg .cse1))) (not (fp.lt v_ULTIMATE.start_main_~a~1_7 (_ +zero 11 53)))))) (= c_currentRoundingMode roundNearestTiesToEven)) is different from true [2021-11-03 04:00:20,783 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse3 ((_ to_fp 11 53) c_currentRoundingMode (/ 1.0 2.0))) (.cse2 (= c_ULTIMATE.start_assume_abort_if_not_~cond (_ bv0 32)))) (and (= ((_ to_fp 11 53) c_currentRoundingMode (/ 416666666666666019037.0 10000000000000000000000.0)) c_~C1~0) (= (fp.neg ((_ to_fp 11 53) c_currentRoundingMode (/ 22719295115576389653.0 2000000000000000000000000000000.0))) c_~C6~0) (= (fp.neg ((_ to_fp 11 53) c_currentRoundingMode (/ 55114628702781326607.0 200000000000000000000000000.0))) c_~C4~0) (= ((_ to_fp 11 53) c_currentRoundingMode (/ 20875723212981748279.0 10000000000000000000000000000.0)) c_~C5~0) (= ((_ to_fp 11 53) c_currentRoundingMode (/ 124007936447383647089.0 5000000000000000000000000.0)) c_~C3~0) (= (fp.neg ((_ to_fp 11 53) c_currentRoundingMode (/ 138888888888741095749.0 100000000000000000000000.0))) c_~C2~0) (let ((.cse0 (fp.geq c_ULTIMATE.start_main_~a~1 (fp.neg .cse3))) (.cse1 (fp.leq c_ULTIMATE.start_main_~a~1 ((_ to_fp 11 53) c_currentRoundingMode (/ 3.0 4.0))))) (or (and (or (not .cse0) (not .cse1)) .cse2) (and .cse0 (= c_ULTIMATE.start_assume_abort_if_not_~cond (_ bv1 32)) .cse1))) (= c_currentRoundingMode roundNearestTiesToEven) (or (not (fp.lt c_ULTIMATE.start_main_~a~1 (_ +zero 11 53))) (let ((.cse4 (fp.sub c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode 1.0) (let ((.cse5 (fp.mul c_currentRoundingMode c_ULTIMATE.start_main_~a~1 c_ULTIMATE.start_main_~a~1))) (fp.sub c_currentRoundingMode (fp.mul c_currentRoundingMode .cse3 .cse5) (fp.mul c_currentRoundingMode .cse5 (fp.mul c_currentRoundingMode .cse5 (fp.add c_currentRoundingMode c_~C1~0 (fp.mul c_currentRoundingMode .cse5 (fp.add c_currentRoundingMode c_~C2~0 (fp.mul c_currentRoundingMode .cse5 (fp.add c_currentRoundingMode c_~C3~0 (fp.mul c_currentRoundingMode .cse5 (fp.add c_currentRoundingMode c_~C4~0 (fp.mul c_currentRoundingMode .cse5 (fp.add c_currentRoundingMode c_~C5~0 (fp.mul c_currentRoundingMode .cse5 c_~C6~0))))))))))))))))) (and (fp.geq .cse4 (_ +zero 11 53)) (fp.leq .cse4 ((_ to_fp 11 53) c_currentRoundingMode (/ 11.0 10.0))))) .cse2))) is different from false [2021-11-03 04:00:23,294 WARN L860 $PredicateComparison]: unable to prove that (let ((.cse3 ((_ to_fp 11 53) c_currentRoundingMode (/ 1.0 2.0))) (.cse2 (= c_ULTIMATE.start_assume_abort_if_not_~cond (_ bv0 32)))) (and (= ((_ to_fp 11 53) c_currentRoundingMode (/ 416666666666666019037.0 10000000000000000000000.0)) c_~C1~0) (= (fp.neg ((_ to_fp 11 53) c_currentRoundingMode (/ 22719295115576389653.0 2000000000000000000000000000000.0))) c_~C6~0) (= (fp.neg ((_ to_fp 11 53) c_currentRoundingMode (/ 55114628702781326607.0 200000000000000000000000000.0))) c_~C4~0) (= ((_ to_fp 11 53) c_currentRoundingMode (/ 20875723212981748279.0 10000000000000000000000000000.0)) c_~C5~0) (= ((_ to_fp 11 53) c_currentRoundingMode (/ 124007936447383647089.0 5000000000000000000000000.0)) c_~C3~0) (= (fp.neg ((_ to_fp 11 53) c_currentRoundingMode (/ 138888888888741095749.0 100000000000000000000000.0))) c_~C2~0) (let ((.cse0 (fp.geq c_ULTIMATE.start_main_~a~1 (fp.neg .cse3))) (.cse1 (fp.leq c_ULTIMATE.start_main_~a~1 ((_ to_fp 11 53) c_currentRoundingMode (/ 3.0 4.0))))) (or (and (or (not .cse0) (not .cse1)) .cse2) (and .cse0 (= c_ULTIMATE.start_assume_abort_if_not_~cond (_ bv1 32)) .cse1))) (= c_currentRoundingMode roundNearestTiesToEven) (or (not (fp.lt c_ULTIMATE.start_main_~a~1 (_ +zero 11 53))) (let ((.cse4 (fp.sub c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode 1.0) (let ((.cse5 (fp.mul c_currentRoundingMode c_ULTIMATE.start_main_~a~1 c_ULTIMATE.start_main_~a~1))) (fp.sub c_currentRoundingMode (fp.mul c_currentRoundingMode .cse3 .cse5) (fp.mul c_currentRoundingMode .cse5 (fp.mul c_currentRoundingMode .cse5 (fp.add c_currentRoundingMode c_~C1~0 (fp.mul c_currentRoundingMode .cse5 (fp.add c_currentRoundingMode c_~C2~0 (fp.mul c_currentRoundingMode .cse5 (fp.add c_currentRoundingMode c_~C3~0 (fp.mul c_currentRoundingMode .cse5 (fp.add c_currentRoundingMode c_~C4~0 (fp.mul c_currentRoundingMode .cse5 (fp.add c_currentRoundingMode c_~C5~0 (fp.mul c_currentRoundingMode .cse5 c_~C6~0))))))))))))))))) (and (fp.geq .cse4 (_ +zero 11 53)) (fp.leq .cse4 ((_ to_fp 11 53) c_currentRoundingMode (/ 11.0 10.0))))) .cse2))) is different from true [2021-11-03 04:00:25,667 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode (/ 1.0 2.0)))) (and (= ((_ to_fp 11 53) c_currentRoundingMode (/ 416666666666666019037.0 10000000000000000000000.0)) c_~C1~0) (= (fp.neg ((_ to_fp 11 53) c_currentRoundingMode (/ 22719295115576389653.0 2000000000000000000000000000000.0))) c_~C6~0) (fp.geq c_ULTIMATE.start_main_~a~1 (fp.neg .cse0)) (fp.leq c_ULTIMATE.start_main_~a~1 ((_ to_fp 11 53) c_currentRoundingMode (/ 3.0 4.0))) (= (fp.neg ((_ to_fp 11 53) c_currentRoundingMode (/ 55114628702781326607.0 200000000000000000000000000.0))) c_~C4~0) (= ((_ to_fp 11 53) c_currentRoundingMode (/ 20875723212981748279.0 10000000000000000000000000000.0)) c_~C5~0) (= ((_ to_fp 11 53) c_currentRoundingMode (/ 124007936447383647089.0 5000000000000000000000000.0)) c_~C3~0) (or (not (fp.lt c_ULTIMATE.start_main_~a~1 (_ +zero 11 53))) (let ((.cse1 (fp.sub c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode 1.0) (let ((.cse2 (fp.mul c_currentRoundingMode c_ULTIMATE.start_main_~a~1 c_ULTIMATE.start_main_~a~1))) (fp.sub c_currentRoundingMode (fp.mul c_currentRoundingMode .cse0 .cse2) (fp.mul c_currentRoundingMode .cse2 (fp.mul c_currentRoundingMode .cse2 (fp.add c_currentRoundingMode c_~C1~0 (fp.mul c_currentRoundingMode .cse2 (fp.add c_currentRoundingMode c_~C2~0 (fp.mul c_currentRoundingMode .cse2 (fp.add c_currentRoundingMode c_~C3~0 (fp.mul c_currentRoundingMode .cse2 (fp.add c_currentRoundingMode c_~C4~0 (fp.mul c_currentRoundingMode .cse2 (fp.add c_currentRoundingMode c_~C5~0 (fp.mul c_currentRoundingMode .cse2 c_~C6~0))))))))))))))))) (and (fp.geq .cse1 (_ +zero 11 53)) (fp.leq .cse1 ((_ to_fp 11 53) c_currentRoundingMode (/ 11.0 10.0)))))) (= (fp.neg ((_ to_fp 11 53) c_currentRoundingMode (/ 138888888888741095749.0 100000000000000000000000.0))) c_~C2~0) (= c_currentRoundingMode roundNearestTiesToEven))) is different from false [2021-11-03 04:00:28,178 WARN L860 $PredicateComparison]: unable to prove that (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode (/ 1.0 2.0)))) (and (= ((_ to_fp 11 53) c_currentRoundingMode (/ 416666666666666019037.0 10000000000000000000000.0)) c_~C1~0) (= (fp.neg ((_ to_fp 11 53) c_currentRoundingMode (/ 22719295115576389653.0 2000000000000000000000000000000.0))) c_~C6~0) (fp.geq c_ULTIMATE.start_main_~a~1 (fp.neg .cse0)) (fp.leq c_ULTIMATE.start_main_~a~1 ((_ to_fp 11 53) c_currentRoundingMode (/ 3.0 4.0))) (= (fp.neg ((_ to_fp 11 53) c_currentRoundingMode (/ 55114628702781326607.0 200000000000000000000000000.0))) c_~C4~0) (= ((_ to_fp 11 53) c_currentRoundingMode (/ 20875723212981748279.0 10000000000000000000000000000.0)) c_~C5~0) (= ((_ to_fp 11 53) c_currentRoundingMode (/ 124007936447383647089.0 5000000000000000000000000.0)) c_~C3~0) (or (not (fp.lt c_ULTIMATE.start_main_~a~1 (_ +zero 11 53))) (let ((.cse1 (fp.sub c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode 1.0) (let ((.cse2 (fp.mul c_currentRoundingMode c_ULTIMATE.start_main_~a~1 c_ULTIMATE.start_main_~a~1))) (fp.sub c_currentRoundingMode (fp.mul c_currentRoundingMode .cse0 .cse2) (fp.mul c_currentRoundingMode .cse2 (fp.mul c_currentRoundingMode .cse2 (fp.add c_currentRoundingMode c_~C1~0 (fp.mul c_currentRoundingMode .cse2 (fp.add c_currentRoundingMode c_~C2~0 (fp.mul c_currentRoundingMode .cse2 (fp.add c_currentRoundingMode c_~C3~0 (fp.mul c_currentRoundingMode .cse2 (fp.add c_currentRoundingMode c_~C4~0 (fp.mul c_currentRoundingMode .cse2 (fp.add c_currentRoundingMode c_~C5~0 (fp.mul c_currentRoundingMode .cse2 c_~C6~0))))))))))))))))) (and (fp.geq .cse1 (_ +zero 11 53)) (fp.leq .cse1 ((_ to_fp 11 53) c_currentRoundingMode (/ 11.0 10.0)))))) (= (fp.neg ((_ to_fp 11 53) c_currentRoundingMode (/ 138888888888741095749.0 100000000000000000000000.0))) c_~C2~0) (= c_currentRoundingMode roundNearestTiesToEven))) is different from true [2021-11-03 04:00:30,585 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode (/ 1.0 2.0)))) (and (fp.geq c_ULTIMATE.start_mcos_~x (fp.neg .cse0)) (or (let ((.cse1 (fp.sub c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode 1.0) (fp.sub c_currentRoundingMode (fp.mul c_currentRoundingMode .cse0 c_ULTIMATE.start_mcos_~z~0) (fp.mul c_currentRoundingMode c_ULTIMATE.start_mcos_~z~0 (fp.mul c_currentRoundingMode c_ULTIMATE.start_mcos_~z~0 (fp.add c_currentRoundingMode c_~C1~0 (fp.mul c_currentRoundingMode c_ULTIMATE.start_mcos_~z~0 (fp.add c_currentRoundingMode c_~C2~0 (fp.mul c_currentRoundingMode c_ULTIMATE.start_mcos_~z~0 (fp.add c_currentRoundingMode c_~C3~0 (fp.mul c_currentRoundingMode c_ULTIMATE.start_mcos_~z~0 (fp.add c_currentRoundingMode c_~C4~0 (fp.mul c_currentRoundingMode c_ULTIMATE.start_mcos_~z~0 (fp.add c_currentRoundingMode c_~C5~0 (fp.mul c_currentRoundingMode c_ULTIMATE.start_mcos_~z~0 c_~C6~0)))))))))))))))) (and (fp.leq .cse1 ((_ to_fp 11 53) c_currentRoundingMode (/ 11.0 10.0))) (fp.geq .cse1 (_ +zero 11 53)))) (not (fp.lt c_ULTIMATE.start_mcos_~x (_ +zero 11 53)))) (= ((_ to_fp 11 53) c_currentRoundingMode (/ 416666666666666019037.0 10000000000000000000000.0)) c_~C1~0) (= (fp.neg ((_ to_fp 11 53) c_currentRoundingMode (/ 22719295115576389653.0 2000000000000000000000000000000.0))) c_~C6~0) (fp.leq c_ULTIMATE.start_mcos_~x ((_ to_fp 11 53) c_currentRoundingMode (/ 3.0 4.0))) (= c_ULTIMATE.start_mcos_~z~0 (fp.mul c_currentRoundingMode c_ULTIMATE.start_mcos_~x c_ULTIMATE.start_mcos_~x)) (= (fp.neg ((_ to_fp 11 53) c_currentRoundingMode (/ 55114628702781326607.0 200000000000000000000000000.0))) c_~C4~0) (= ((_ to_fp 11 53) c_currentRoundingMode (/ 20875723212981748279.0 10000000000000000000000000000.0)) c_~C5~0) (= ((_ to_fp 11 53) c_currentRoundingMode (/ 124007936447383647089.0 5000000000000000000000000.0)) c_~C3~0) (= (fp.neg ((_ to_fp 11 53) c_currentRoundingMode (/ 138888888888741095749.0 100000000000000000000000.0))) c_~C2~0) (= c_currentRoundingMode roundNearestTiesToEven))) is different from false [2021-11-03 04:00:32,988 WARN L860 $PredicateComparison]: unable to prove that (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode (/ 1.0 2.0)))) (and (fp.geq c_ULTIMATE.start_mcos_~x (fp.neg .cse0)) (or (let ((.cse1 (fp.sub c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode 1.0) (fp.sub c_currentRoundingMode (fp.mul c_currentRoundingMode .cse0 c_ULTIMATE.start_mcos_~z~0) (fp.mul c_currentRoundingMode c_ULTIMATE.start_mcos_~z~0 (fp.mul c_currentRoundingMode c_ULTIMATE.start_mcos_~z~0 (fp.add c_currentRoundingMode c_~C1~0 (fp.mul c_currentRoundingMode c_ULTIMATE.start_mcos_~z~0 (fp.add c_currentRoundingMode c_~C2~0 (fp.mul c_currentRoundingMode c_ULTIMATE.start_mcos_~z~0 (fp.add c_currentRoundingMode c_~C3~0 (fp.mul c_currentRoundingMode c_ULTIMATE.start_mcos_~z~0 (fp.add c_currentRoundingMode c_~C4~0 (fp.mul c_currentRoundingMode c_ULTIMATE.start_mcos_~z~0 (fp.add c_currentRoundingMode c_~C5~0 (fp.mul c_currentRoundingMode c_ULTIMATE.start_mcos_~z~0 c_~C6~0)))))))))))))))) (and (fp.leq .cse1 ((_ to_fp 11 53) c_currentRoundingMode (/ 11.0 10.0))) (fp.geq .cse1 (_ +zero 11 53)))) (not (fp.lt c_ULTIMATE.start_mcos_~x (_ +zero 11 53)))) (= ((_ to_fp 11 53) c_currentRoundingMode (/ 416666666666666019037.0 10000000000000000000000.0)) c_~C1~0) (= (fp.neg ((_ to_fp 11 53) c_currentRoundingMode (/ 22719295115576389653.0 2000000000000000000000000000000.0))) c_~C6~0) (fp.leq c_ULTIMATE.start_mcos_~x ((_ to_fp 11 53) c_currentRoundingMode (/ 3.0 4.0))) (= c_ULTIMATE.start_mcos_~z~0 (fp.mul c_currentRoundingMode c_ULTIMATE.start_mcos_~x c_ULTIMATE.start_mcos_~x)) (= (fp.neg ((_ to_fp 11 53) c_currentRoundingMode (/ 55114628702781326607.0 200000000000000000000000000.0))) c_~C4~0) (= ((_ to_fp 11 53) c_currentRoundingMode (/ 20875723212981748279.0 10000000000000000000000000000.0)) c_~C5~0) (= ((_ to_fp 11 53) c_currentRoundingMode (/ 124007936447383647089.0 5000000000000000000000000.0)) c_~C3~0) (= (fp.neg ((_ to_fp 11 53) c_currentRoundingMode (/ 138888888888741095749.0 100000000000000000000000.0))) c_~C2~0) (= c_currentRoundingMode roundNearestTiesToEven))) is different from true [2021-11-03 04:00:35,383 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse0 (fp.sub c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode 1.0) (fp.sub c_currentRoundingMode (fp.mul c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (/ 1.0 2.0)) c_ULTIMATE.start_mcos_~z~0) (fp.mul c_currentRoundingMode c_ULTIMATE.start_mcos_~z~0 (fp.mul c_currentRoundingMode c_ULTIMATE.start_mcos_~z~0 (fp.add c_currentRoundingMode c_~C1~0 (fp.mul c_currentRoundingMode c_ULTIMATE.start_mcos_~z~0 (fp.add c_currentRoundingMode c_~C2~0 (fp.mul c_currentRoundingMode c_ULTIMATE.start_mcos_~z~0 (fp.add c_currentRoundingMode c_~C3~0 (fp.mul c_currentRoundingMode c_ULTIMATE.start_mcos_~z~0 (fp.add c_currentRoundingMode c_~C4~0 (fp.mul c_currentRoundingMode c_ULTIMATE.start_mcos_~z~0 (fp.add c_currentRoundingMode c_~C5~0 (fp.mul c_currentRoundingMode c_ULTIMATE.start_mcos_~z~0 c_~C6~0)))))))))))))))) (and (= ((_ to_fp 11 53) c_currentRoundingMode (/ 416666666666666019037.0 10000000000000000000000.0)) c_~C1~0) (= (fp.neg ((_ to_fp 11 53) c_currentRoundingMode (/ 22719295115576389653.0 2000000000000000000000000000000.0))) c_~C6~0) (fp.leq .cse0 ((_ to_fp 11 53) c_currentRoundingMode (/ 11.0 10.0))) (fp.geq .cse0 (_ +zero 11 53)) (= (fp.neg ((_ to_fp 11 53) c_currentRoundingMode (/ 55114628702781326607.0 200000000000000000000000000.0))) c_~C4~0) (= ((_ to_fp 11 53) c_currentRoundingMode (/ 20875723212981748279.0 10000000000000000000000000000.0)) c_~C5~0) (= ((_ to_fp 11 53) c_currentRoundingMode (/ 124007936447383647089.0 5000000000000000000000000.0)) c_~C3~0) (= (fp.neg ((_ to_fp 11 53) c_currentRoundingMode (/ 138888888888741095749.0 100000000000000000000000.0))) c_~C2~0) (exists ((v_ULTIMATE.start_mcos_~x_12 (_ FloatingPoint 11 53))) (and (= c_ULTIMATE.start_mcos_~z~0 (fp.mul c_currentRoundingMode v_ULTIMATE.start_mcos_~x_12 v_ULTIMATE.start_mcos_~x_12)) (fp.geq v_ULTIMATE.start_mcos_~x_12 (fp.neg ((_ to_fp 11 53) c_currentRoundingMode (/ 1.0 2.0)))) (fp.lt v_ULTIMATE.start_mcos_~x_12 (_ +zero 11 53)))) (= c_currentRoundingMode roundNearestTiesToEven))) is different from false [2021-11-03 04:00:37,786 WARN L860 $PredicateComparison]: unable to prove that (let ((.cse0 (fp.sub c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode 1.0) (fp.sub c_currentRoundingMode (fp.mul c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (/ 1.0 2.0)) c_ULTIMATE.start_mcos_~z~0) (fp.mul c_currentRoundingMode c_ULTIMATE.start_mcos_~z~0 (fp.mul c_currentRoundingMode c_ULTIMATE.start_mcos_~z~0 (fp.add c_currentRoundingMode c_~C1~0 (fp.mul c_currentRoundingMode c_ULTIMATE.start_mcos_~z~0 (fp.add c_currentRoundingMode c_~C2~0 (fp.mul c_currentRoundingMode c_ULTIMATE.start_mcos_~z~0 (fp.add c_currentRoundingMode c_~C3~0 (fp.mul c_currentRoundingMode c_ULTIMATE.start_mcos_~z~0 (fp.add c_currentRoundingMode c_~C4~0 (fp.mul c_currentRoundingMode c_ULTIMATE.start_mcos_~z~0 (fp.add c_currentRoundingMode c_~C5~0 (fp.mul c_currentRoundingMode c_ULTIMATE.start_mcos_~z~0 c_~C6~0)))))))))))))))) (and (= ((_ to_fp 11 53) c_currentRoundingMode (/ 416666666666666019037.0 10000000000000000000000.0)) c_~C1~0) (= (fp.neg ((_ to_fp 11 53) c_currentRoundingMode (/ 22719295115576389653.0 2000000000000000000000000000000.0))) c_~C6~0) (fp.leq .cse0 ((_ to_fp 11 53) c_currentRoundingMode (/ 11.0 10.0))) (fp.geq .cse0 (_ +zero 11 53)) (= (fp.neg ((_ to_fp 11 53) c_currentRoundingMode (/ 55114628702781326607.0 200000000000000000000000000.0))) c_~C4~0) (= ((_ to_fp 11 53) c_currentRoundingMode (/ 20875723212981748279.0 10000000000000000000000000000.0)) c_~C5~0) (= ((_ to_fp 11 53) c_currentRoundingMode (/ 124007936447383647089.0 5000000000000000000000000.0)) c_~C3~0) (= (fp.neg ((_ to_fp 11 53) c_currentRoundingMode (/ 138888888888741095749.0 100000000000000000000000.0))) c_~C2~0) (exists ((v_ULTIMATE.start_mcos_~x_12 (_ FloatingPoint 11 53))) (and (= c_ULTIMATE.start_mcos_~z~0 (fp.mul c_currentRoundingMode v_ULTIMATE.start_mcos_~x_12 v_ULTIMATE.start_mcos_~x_12)) (fp.geq v_ULTIMATE.start_mcos_~x_12 (fp.neg ((_ to_fp 11 53) c_currentRoundingMode (/ 1.0 2.0)))) (fp.lt v_ULTIMATE.start_mcos_~x_12 (_ +zero 11 53)))) (= c_currentRoundingMode roundNearestTiesToEven))) is different from true [2021-11-03 04:00:40,117 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse2 (fp.sub c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode 1.0) (fp.sub c_currentRoundingMode c_ULTIMATE.start_mcos_~hz~0 c_ULTIMATE.start_mcos_~zr~0)))) (and (exists ((v_ULTIMATE.start_mcos_~x_12 (_ FloatingPoint 11 53))) (let ((.cse1 (fp.mul c_currentRoundingMode v_ULTIMATE.start_mcos_~x_12 v_ULTIMATE.start_mcos_~x_12)) (.cse0 ((_ to_fp 11 53) c_currentRoundingMode (/ 1.0 2.0)))) (and (= (fp.mul c_currentRoundingMode .cse0 .cse1) c_ULTIMATE.start_mcos_~hz~0) (= c_ULTIMATE.start_mcos_~zr~0 (fp.mul c_currentRoundingMode .cse1 (fp.mul c_currentRoundingMode .cse1 (fp.add c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (/ 416666666666666019037.0 10000000000000000000000.0)) (fp.mul c_currentRoundingMode .cse1 (fp.add c_currentRoundingMode (fp.neg ((_ to_fp 11 53) c_currentRoundingMode (/ 138888888888741095749.0 100000000000000000000000.0))) (fp.mul c_currentRoundingMode .cse1 (fp.add c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (/ 124007936447383647089.0 5000000000000000000000000.0)) (fp.mul c_currentRoundingMode .cse1 (fp.add c_currentRoundingMode (fp.neg ((_ to_fp 11 53) c_currentRoundingMode (/ 55114628702781326607.0 200000000000000000000000000.0))) (fp.mul c_currentRoundingMode .cse1 (fp.add c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (/ 20875723212981748279.0 10000000000000000000000000000.0)) (fp.mul c_currentRoundingMode .cse1 (fp.neg ((_ to_fp 11 53) c_currentRoundingMode (/ 22719295115576389653.0 2000000000000000000000000000000.0)))))))))))))))) (fp.geq v_ULTIMATE.start_mcos_~x_12 (fp.neg .cse0)) (fp.lt v_ULTIMATE.start_mcos_~x_12 (_ +zero 11 53))))) (fp.leq .cse2 ((_ to_fp 11 53) c_currentRoundingMode (/ 11.0 10.0))) (= c_currentRoundingMode roundNearestTiesToEven) (fp.geq .cse2 (_ +zero 11 53)))) is different from false [2021-11-03 04:00:50,320 WARN L838 $PredicateComparison]: unable to prove that (and (fp.leq |c_ULTIMATE.start_mcos_#res| ((_ to_fp 11 53) c_currentRoundingMode (/ 11.0 10.0))) (fp.geq |c_ULTIMATE.start_mcos_#res| (_ +zero 11 53)) (exists ((v_ULTIMATE.start_mcos_~x_12 (_ FloatingPoint 11 53))) (let ((.cse0 ((_ to_fp 11 53) c_currentRoundingMode (/ 1.0 2.0)))) (and (= |c_ULTIMATE.start_mcos_#res| (fp.sub c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode 1.0) (let ((.cse1 (fp.mul c_currentRoundingMode v_ULTIMATE.start_mcos_~x_12 v_ULTIMATE.start_mcos_~x_12))) (fp.sub c_currentRoundingMode (fp.mul c_currentRoundingMode .cse0 .cse1) (fp.mul c_currentRoundingMode .cse1 (fp.mul c_currentRoundingMode .cse1 (fp.add c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (/ 416666666666666019037.0 10000000000000000000000.0)) (fp.mul c_currentRoundingMode .cse1 (fp.add c_currentRoundingMode (fp.neg ((_ to_fp 11 53) c_currentRoundingMode (/ 138888888888741095749.0 100000000000000000000000.0))) (fp.mul c_currentRoundingMode .cse1 (fp.add c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (/ 124007936447383647089.0 5000000000000000000000000.0)) (fp.mul c_currentRoundingMode .cse1 (fp.add c_currentRoundingMode (fp.neg ((_ to_fp 11 53) c_currentRoundingMode (/ 55114628702781326607.0 200000000000000000000000000.0))) (fp.mul c_currentRoundingMode .cse1 (fp.add c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (/ 20875723212981748279.0 10000000000000000000000000000.0)) (fp.mul c_currentRoundingMode .cse1 (fp.neg ((_ to_fp 11 53) c_currentRoundingMode (/ 22719295115576389653.0 2000000000000000000000000000000.0))))))))))))))))))) (fp.geq v_ULTIMATE.start_mcos_~x_12 (fp.neg .cse0)) (fp.lt v_ULTIMATE.start_mcos_~x_12 (_ +zero 11 53))))) (= c_currentRoundingMode roundNearestTiesToEven)) is different from false [2021-11-03 04:00:54,429 WARN L838 $PredicateComparison]: unable to prove that (and (exists ((v_ULTIMATE.start_mcos_~x_12 (_ FloatingPoint 11 53))) (let ((.cse3 ((_ to_fp 11 53) roundNearestTiesToEven (/ 1.0 2.0)))) (and (let ((.cse2 (fp.sub roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1.0) (let ((.cse4 (fp.mul roundNearestTiesToEven v_ULTIMATE.start_mcos_~x_12 v_ULTIMATE.start_mcos_~x_12))) (fp.sub roundNearestTiesToEven (fp.mul roundNearestTiesToEven .cse3 .cse4) (fp.mul roundNearestTiesToEven .cse4 (fp.mul roundNearestTiesToEven .cse4 (fp.add roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven (/ 416666666666666019037.0 10000000000000000000000.0)) (fp.mul roundNearestTiesToEven .cse4 (fp.add roundNearestTiesToEven (fp.neg ((_ to_fp 11 53) roundNearestTiesToEven (/ 138888888888741095749.0 100000000000000000000000.0))) (fp.mul roundNearestTiesToEven .cse4 (fp.add roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven (/ 124007936447383647089.0 5000000000000000000000000.0)) (fp.mul roundNearestTiesToEven .cse4 (fp.add roundNearestTiesToEven (fp.neg ((_ to_fp 11 53) roundNearestTiesToEven (/ 55114628702781326607.0 200000000000000000000000000.0))) (fp.mul roundNearestTiesToEven .cse4 (fp.add roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven (/ 20875723212981748279.0 10000000000000000000000000000.0)) (fp.mul roundNearestTiesToEven .cse4 (fp.neg ((_ to_fp 11 53) roundNearestTiesToEven (/ 22719295115576389653.0 2000000000000000000000000000000.0)))))))))))))))))))) (let ((.cse0 (fp.leq .cse2 ((_ to_fp 11 53) roundNearestTiesToEven (/ 11.0 10.0)))) (.cse1 (fp.geq .cse2 (_ +zero 11 53)))) (or (and .cse0 .cse1 (= c_ULTIMATE.start___VERIFIER_assert_~cond (_ bv1 32))) (and (or (not .cse0) (not .cse1)) (= c_ULTIMATE.start___VERIFIER_assert_~cond (_ bv0 32)))))) (fp.geq v_ULTIMATE.start_mcos_~x_12 (fp.neg .cse3)) (fp.lt v_ULTIMATE.start_mcos_~x_12 (_ +zero 11 53))))) (not (= c_ULTIMATE.start___VERIFIER_assert_~cond (_ bv0 32)))) is different from false [2021-11-03 04:01:00,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-03 04:01:00,929 INFO L93 Difference]: Finished difference Result 19 states and 21 transitions. [2021-11-03 04:01:00,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-03 04:01:00,929 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 1.0526315789473684) internal successors, (20), 18 states have internal predecessors, (20), 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 [2021-11-03 04:01:00,930 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-03 04:01:00,930 INFO L225 Difference]: With dead ends: 19 [2021-11-03 04:01:00,930 INFO L226 Difference]: Without dead ends: 15 [2021-11-03 04:01:00,932 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 17 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 129.3s TimeCoverageRelationStatistics Valid=55, Invalid=67, Unknown=36, NotChecked=544, Total=702 [2021-11-03 04:01:00,932 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2021-11-03 04:01:00,934 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2021-11-03 04:01:00,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 14 states have (on average 1.2142857142857142) internal successors, (17), 14 states have internal predecessors, (17), 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) [2021-11-03 04:01:00,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 17 transitions. [2021-11-03 04:01:00,935 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 17 transitions. Word has length 10 [2021-11-03 04:01:00,936 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-03 04:01:00,936 INFO L470 AbstractCegarLoop]: Abstraction has 15 states and 17 transitions. [2021-11-03 04:01:00,936 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 1.0526315789473684) internal successors, (20), 18 states have internal predecessors, (20), 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) [2021-11-03 04:01:00,937 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2021-11-03 04:01:00,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-03 04:01:00,937 INFO L505 BasicCegarLoop]: Found error trace [2021-11-03 04:01:00,938 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-03 04:01:00,989 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8ac0a09-3796-4ec5-b274-d737b0cff967/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (3)] Ended with exit code 0 [2021-11-03 04:01:01,143 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8ac0a09-3796-4ec5-b274-d737b0cff967/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 [2021-11-03 04:01:01,143 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-03 04:01:01,145 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-03 04:01:01,145 INFO L85 PathProgramCache]: Analyzing trace with hash -1988343628, now seen corresponding path program 1 times [2021-11-03 04:01:01,145 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-11-03 04:01:01,145 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [324397170] [2021-11-03 04:01:01,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-03 04:01:01,146 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-11-03 04:01:01,146 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8ac0a09-3796-4ec5-b274-d737b0cff967/bin/utaipan-aC7eJsxGYH/mathsat [2021-11-03 04:01:01,147 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8ac0a09-3796-4ec5-b274-d737b0cff967/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-11-03 04:01:01,148 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8ac0a09-3796-4ec5-b274-d737b0cff967/bin/utaipan-aC7eJsxGYH/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-11-03 04:02:04,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-03 04:02:04,229 WARN L261 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 23 conjunts are in the unsatisfiable core [2021-11-03 04:02:04,231 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-03 04:02:39,969 WARN L207 SmtUtils]: Spent 12.69 s on a formula simplification that was a NOOP. DAG size: 42 [2021-11-03 04:03:15,978 WARN L207 SmtUtils]: Spent 12.16 s on a formula simplification that was a NOOP. DAG size: 41 [2021-11-03 04:03:21,240 WARN L207 SmtUtils]: Spent 5.24 s on a formula simplification that was a NOOP. DAG size: 8 [2021-11-03 04:03:26,417 WARN L207 SmtUtils]: Spent 5.17 s on a formula simplification that was a NOOP. DAG size: 5 [2021-11-03 04:03:36,452 WARN L207 SmtUtils]: Spent 5.17 s on a formula simplification that was a NOOP. DAG size: 4 [2021-11-03 04:03:42,012 WARN L207 SmtUtils]: Spent 5.56 s on a formula simplification that was a NOOP. DAG size: 3 [2021-11-03 04:03:44,350 WARN L838 $PredicateComparison]: unable to prove that (let ((.cse0 (fp.mul c_currentRoundingMode c_ULTIMATE.start_mcos_~x c_ULTIMATE.start_mcos_~x))) (and (= c_ULTIMATE.start_mcos_~hz~0 (fp.mul c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (/ 1.0 2.0)) .cse0)) (fp.leq c_ULTIMATE.start_mcos_~x ((_ to_fp 11 53) c_currentRoundingMode (/ 3.0 4.0))) (= (fp.mul c_currentRoundingMode .cse0 (fp.mul c_currentRoundingMode .cse0 (fp.add c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (/ 416666666666666019037.0 10000000000000000000000.0)) (fp.mul c_currentRoundingMode .cse0 (fp.add c_currentRoundingMode (fp.neg ((_ to_fp 11 53) c_currentRoundingMode (/ 138888888888741095749.0 100000000000000000000000.0))) (fp.mul c_currentRoundingMode .cse0 (fp.add c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (/ 124007936447383647089.0 5000000000000000000000000.0)) (fp.mul c_currentRoundingMode .cse0 (fp.add c_currentRoundingMode (fp.neg ((_ to_fp 11 53) c_currentRoundingMode (/ 55114628702781326607.0 200000000000000000000000000.0))) (fp.mul c_currentRoundingMode .cse0 (fp.add c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (/ 20875723212981748279.0 10000000000000000000000000000.0)) (fp.mul c_currentRoundingMode .cse0 (fp.neg ((_ to_fp 11 53) c_currentRoundingMode (/ 22719295115576389653.0 2000000000000000000000000000000.0))))))))))))))) c_ULTIMATE.start_mcos_~zr~0) (not (fp.lt c_ULTIMATE.start_mcos_~x (_ +zero 11 53))) (= c_currentRoundingMode roundNearestTiesToEven))) is different from false [2021-11-03 04:03:50,914 WARN L207 SmtUtils]: Spent 5.26 s on a formula simplification that was a NOOP. DAG size: 5 [2021-11-03 04:04:01,074 WARN L207 SmtUtils]: Spent 5.26 s on a formula simplification that was a NOOP. DAG size: 4 [2021-11-03 04:04:03,603 WARN L838 $PredicateComparison]: unable to prove that (and (exists ((ULTIMATE.start_mcos_~x (_ FloatingPoint 11 53))) (and (fp.lt ULTIMATE.start_mcos_~x ((_ to_fp 11 53) c_currentRoundingMode (/ 3.0 10.0))) (= |c_ULTIMATE.start_mcos_#res| (fp.sub c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode 1.0) (let ((.cse0 (fp.mul c_currentRoundingMode ULTIMATE.start_mcos_~x ULTIMATE.start_mcos_~x))) (fp.sub c_currentRoundingMode (fp.mul c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (/ 1.0 2.0)) .cse0) (fp.mul c_currentRoundingMode .cse0 (fp.mul c_currentRoundingMode .cse0 (fp.add c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (/ 416666666666666019037.0 10000000000000000000000.0)) (fp.mul c_currentRoundingMode .cse0 (fp.add c_currentRoundingMode (fp.neg ((_ to_fp 11 53) c_currentRoundingMode (/ 138888888888741095749.0 100000000000000000000000.0))) (fp.mul c_currentRoundingMode .cse0 (fp.add c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (/ 124007936447383647089.0 5000000000000000000000000.0)) (fp.mul c_currentRoundingMode .cse0 (fp.add c_currentRoundingMode (fp.neg ((_ to_fp 11 53) c_currentRoundingMode (/ 55114628702781326607.0 200000000000000000000000000.0))) (fp.mul c_currentRoundingMode .cse0 (fp.add c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (/ 20875723212981748279.0 10000000000000000000000000000.0)) (fp.mul c_currentRoundingMode .cse0 (fp.neg ((_ to_fp 11 53) c_currentRoundingMode (/ 22719295115576389653.0 2000000000000000000000000000000.0))))))))))))))))))) (not (fp.lt ULTIMATE.start_mcos_~x (_ +zero 11 53))))) (= c_currentRoundingMode roundNearestTiesToEven)) is different from false [2021-11-03 04:04:13,796 WARN L207 SmtUtils]: Spent 5.27 s on a formula simplification that was a NOOP. DAG size: 5 [2021-11-03 04:04:23,860 WARN L207 SmtUtils]: Spent 5.26 s on a formula simplification that was a NOOP. DAG size: 4 [2021-11-03 04:04:31,539 WARN L207 SmtUtils]: Spent 5.26 s on a formula simplification that was a NOOP. DAG size: 5 [2021-11-03 04:04:41,714 WARN L207 SmtUtils]: Spent 5.30 s on a formula simplification that was a NOOP. DAG size: 4 [2021-11-03 04:04:47,005 WARN L207 SmtUtils]: Spent 5.29 s on a formula simplification that was a NOOP. DAG size: 5 [2021-11-03 04:04:52,402 WARN L207 SmtUtils]: Spent 5.40 s on a formula simplification that was a NOOP. DAG size: 41 [2021-11-03 04:04:57,670 WARN L207 SmtUtils]: Spent 5.27 s on a formula simplification that was a NOOP. DAG size: 40 [2021-11-03 04:05:02,940 WARN L207 SmtUtils]: Spent 5.27 s on a formula simplification that was a NOOP. DAG size: 4 [2021-11-03 04:05:10,660 WARN L207 SmtUtils]: Spent 5.26 s on a formula simplification that was a NOOP. DAG size: 5 [2021-11-03 04:05:15,981 WARN L207 SmtUtils]: Spent 5.32 s on a formula simplification that was a NOOP. DAG size: 39 [2021-11-03 04:05:21,264 WARN L207 SmtUtils]: Spent 5.28 s on a formula simplification that was a NOOP. DAG size: 4 [2021-11-03 04:05:26,561 WARN L207 SmtUtils]: Spent 5.30 s on a formula simplification that was a NOOP. DAG size: 40 [2021-11-03 04:05:31,866 WARN L207 SmtUtils]: Spent 5.29 s on a formula simplification that was a NOOP. DAG size: 39