./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_0670.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_027484c1-11ee-410b-b2b8-bcbb8c2fe122/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_027484c1-11ee-410b-b2b8-bcbb8c2fe122/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_027484c1-11ee-410b-b2b8-bcbb8c2fe122/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_027484c1-11ee-410b-b2b8-bcbb8c2fe122/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0670.c -s /tmp/vcloud-vcloud-master/worker/run_dir_027484c1-11ee-410b-b2b8-bcbb8c2fe122/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_027484c1-11ee-410b-b2b8-bcbb8c2fe122/bin/utaipan --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 ed4a460efb594a84f062221537c87307eeb15468 ........................................................................................................................................................................................................................................................................................................................................ Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_027484c1-11ee-410b-b2b8-bcbb8c2fe122/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_027484c1-11ee-410b-b2b8-bcbb8c2fe122/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_027484c1-11ee-410b-b2b8-bcbb8c2fe122/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_027484c1-11ee-410b-b2b8-bcbb8c2fe122/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0670.c -s /tmp/vcloud-vcloud-master/worker/run_dir_027484c1-11ee-410b-b2b8-bcbb8c2fe122/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_027484c1-11ee-410b-b2b8-bcbb8c2fe122/bin/utaipan --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 ed4a460efb594a84f062221537c87307eeb15468 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-30 02:10:33,225 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-30 02:10:33,228 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-30 02:10:33,285 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-30 02:10:33,286 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-30 02:10:33,288 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-30 02:10:33,291 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-30 02:10:33,294 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-30 02:10:33,297 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-30 02:10:33,311 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-30 02:10:33,313 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-30 02:10:33,315 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-30 02:10:33,316 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-30 02:10:33,318 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-30 02:10:33,320 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-30 02:10:33,323 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-30 02:10:33,324 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-30 02:10:33,326 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-30 02:10:33,329 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-30 02:10:33,332 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-30 02:10:33,335 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-30 02:10:33,337 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-30 02:10:33,339 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-30 02:10:33,341 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-30 02:10:33,353 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-30 02:10:33,354 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-30 02:10:33,354 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-30 02:10:33,356 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-30 02:10:33,357 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-30 02:10:33,359 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-30 02:10:33,359 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-30 02:10:33,361 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-30 02:10:33,362 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-30 02:10:33,364 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-30 02:10:33,366 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-30 02:10:33,366 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-30 02:10:33,368 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-30 02:10:33,368 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-30 02:10:33,369 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-30 02:10:33,371 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-30 02:10:33,372 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-30 02:10:33,377 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_027484c1-11ee-410b-b2b8-bcbb8c2fe122/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2020-11-30 02:10:33,435 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-30 02:10:33,436 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-30 02:10:33,438 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-30 02:10:33,438 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-30 02:10:33,439 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-30 02:10:33,439 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-30 02:10:33,439 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-11-30 02:10:33,440 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-30 02:10:33,440 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-30 02:10:33,440 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-11-30 02:10:33,442 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-11-30 02:10:33,442 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-30 02:10:33,442 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-11-30 02:10:33,443 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-11-30 02:10:33,443 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-11-30 02:10:33,444 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-30 02:10:33,444 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-30 02:10:33,444 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-30 02:10:33,445 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-30 02:10:33,445 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-30 02:10:33,445 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-30 02:10:33,446 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-30 02:10:33,446 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-30 02:10:33,446 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-30 02:10:33,447 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-30 02:10:33,447 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-30 02:10:33,447 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-30 02:10:33,447 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-30 02:10:33,448 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-30 02:10:33,450 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-30 02:10:33,451 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-30 02:10:33,451 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-30 02:10:33,452 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-30 02:10:33,452 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-30 02:10:33,452 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-30 02:10:33,453 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-11-30 02:10:33,453 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-30 02:10:33,453 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-30 02:10:33,453 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-30 02:10:33,454 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-30 02:10:33,454 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-vcloud-master/worker/run_dir_027484c1-11ee-410b-b2b8-bcbb8c2fe122/bin/utaipan/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_027484c1-11ee-410b-b2b8-bcbb8c2fe122/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ed4a460efb594a84f062221537c87307eeb15468 [2020-11-30 02:10:33,826 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-30 02:10:33,873 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-30 02:10:33,876 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-30 02:10:33,878 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-30 02:10:33,881 INFO L275 PluginConnector]: CDTParser initialized [2020-11-30 02:10:33,882 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_027484c1-11ee-410b-b2b8-bcbb8c2fe122/bin/utaipan/../../sv-benchmarks/c/float-newlib/float_req_bl_0670.c [2020-11-30 02:10:34,013 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_027484c1-11ee-410b-b2b8-bcbb8c2fe122/bin/utaipan/data/0bcb5310d/155fbfbb225c4ec3b0d0a8d40925a5e9/FLAG72243826c [2020-11-30 02:10:34,844 INFO L306 CDTParser]: Found 1 translation units. [2020-11-30 02:10:34,844 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_027484c1-11ee-410b-b2b8-bcbb8c2fe122/sv-benchmarks/c/float-newlib/float_req_bl_0670.c [2020-11-30 02:10:34,854 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_027484c1-11ee-410b-b2b8-bcbb8c2fe122/bin/utaipan/data/0bcb5310d/155fbfbb225c4ec3b0d0a8d40925a5e9/FLAG72243826c [2020-11-30 02:10:35,092 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_027484c1-11ee-410b-b2b8-bcbb8c2fe122/bin/utaipan/data/0bcb5310d/155fbfbb225c4ec3b0d0a8d40925a5e9 [2020-11-30 02:10:35,095 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-30 02:10:35,098 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-30 02:10:35,100 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-30 02:10:35,100 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-30 02:10:35,104 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-30 02:10:35,106 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 02:10:35" (1/1) ... [2020-11-30 02:10:35,109 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c383ac1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:10:35, skipping insertion in model container [2020-11-30 02:10:35,109 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 02:10:35" (1/1) ... [2020-11-30 02:10:35,119 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-30 02:10:35,149 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-30 02:10:35,482 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 02:10:35,515 INFO L203 MainTranslator]: Completed pre-run [2020-11-30 02:10:35,638 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 02:10:35,678 INFO L208 MainTranslator]: Completed translation [2020-11-30 02:10:35,681 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:10:35 WrapperNode [2020-11-30 02:10:35,681 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-30 02:10:35,684 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-30 02:10:35,685 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-30 02:10:35,685 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-30 02:10:35,696 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:10:35" (1/1) ... [2020-11-30 02:10:35,730 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:10:35" (1/1) ... [2020-11-30 02:10:35,802 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-30 02:10:35,806 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-30 02:10:35,806 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-30 02:10:35,807 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-30 02:10:35,818 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:10:35" (1/1) ... [2020-11-30 02:10:35,819 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:10:35" (1/1) ... [2020-11-30 02:10:35,844 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:10:35" (1/1) ... [2020-11-30 02:10:35,859 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:10:35" (1/1) ... [2020-11-30 02:10:35,889 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:10:35" (1/1) ... [2020-11-30 02:10:35,901 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:10:35" (1/1) ... [2020-11-30 02:10:35,907 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:10:35" (1/1) ... [2020-11-30 02:10:35,914 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-30 02:10:35,915 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-30 02:10:35,916 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-30 02:10:35,916 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-30 02:10:35,921 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:10:35" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_027484c1-11ee-410b-b2b8-bcbb8c2fe122/bin/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-30 02:10:36,022 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-30 02:10:36,023 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-30 02:10:36,023 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-11-30 02:10:36,023 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-30 02:10:36,023 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-11-30 02:10:36,023 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-30 02:10:36,024 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-30 02:10:36,024 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-30 02:10:36,030 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2020-11-30 02:10:36,030 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-30 02:10:37,891 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-30 02:10:37,892 INFO L298 CfgBuilder]: Removed 48 assume(true) statements. [2020-11-30 02:10:37,899 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 02:10:37 BoogieIcfgContainer [2020-11-30 02:10:37,900 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-30 02:10:37,902 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-30 02:10:37,903 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-30 02:10:37,907 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-30 02:10:37,908 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.11 02:10:35" (1/3) ... [2020-11-30 02:10:37,909 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38dacac4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 02:10:37, skipping insertion in model container [2020-11-30 02:10:37,910 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:10:35" (2/3) ... [2020-11-30 02:10:37,910 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38dacac4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 02:10:37, skipping insertion in model container [2020-11-30 02:10:37,910 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 02:10:37" (3/3) ... [2020-11-30 02:10:37,913 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_0670.c [2020-11-30 02:10:37,929 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-30 02:10:37,936 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-30 02:10:37,953 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-30 02:10:38,004 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-30 02:10:38,005 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-30 02:10:38,005 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-30 02:10:38,005 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-30 02:10:38,006 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-30 02:10:38,006 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-30 02:10:38,006 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-30 02:10:38,006 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-30 02:10:38,029 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states. [2020-11-30 02:10:38,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-11-30 02:10:38,041 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 02:10:38,042 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 02:10:38,042 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 02:10:38,051 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 02:10:38,052 INFO L82 PathProgramCache]: Analyzing trace with hash -1948390462, now seen corresponding path program 1 times [2020-11-30 02:10:38,066 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-30 02:10:38,066 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [130975468] [2020-11-30 02:10:38,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 02:10:38,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 02:10:38,324 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 02:10:38,325 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [130975468] [2020-11-30 02:10:38,326 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 02:10:38,326 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-30 02:10:38,327 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [719106296] [2020-11-30 02:10:38,332 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-30 02:10:38,333 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-11-30 02:10:38,349 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-30 02:10:38,350 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-30 02:10:38,353 INFO L87 Difference]: Start difference. First operand 78 states. Second operand 2 states. [2020-11-30 02:10:38,386 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 02:10:38,387 INFO L93 Difference]: Finished difference Result 154 states and 263 transitions. [2020-11-30 02:10:38,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-30 02:10:38,389 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2020-11-30 02:10:38,389 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 02:10:38,408 INFO L225 Difference]: With dead ends: 154 [2020-11-30 02:10:38,408 INFO L226 Difference]: Without dead ends: 75 [2020-11-30 02:10:38,412 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-30 02:10:38,445 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2020-11-30 02:10:38,489 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 75. [2020-11-30 02:10:38,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 75 states. [2020-11-30 02:10:38,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 104 transitions. [2020-11-30 02:10:38,496 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 104 transitions. Word has length 10 [2020-11-30 02:10:38,496 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 02:10:38,497 INFO L481 AbstractCegarLoop]: Abstraction has 75 states and 104 transitions. [2020-11-30 02:10:38,497 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-30 02:10:38,497 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 104 transitions. [2020-11-30 02:10:38,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-11-30 02:10:38,498 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 02:10:38,498 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 02:10:38,499 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-30 02:10:38,499 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 02:10:38,500 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 02:10:38,501 INFO L82 PathProgramCache]: Analyzing trace with hash -10883829, now seen corresponding path program 1 times [2020-11-30 02:10:38,501 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-30 02:10:38,501 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [395840963] [2020-11-30 02:10:38,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 02:10:38,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 02:10:38,659 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 02:10:38,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 02:10:38,754 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 02:10:38,803 INFO L173 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2020-11-30 02:10:38,803 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-11-30 02:10:38,804 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-30 02:10:38,892 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.11 02:10:38 BoogieIcfgContainer [2020-11-30 02:10:38,893 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-30 02:10:38,893 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-30 02:10:38,894 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-30 02:10:38,895 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-30 02:10:38,895 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 02:10:37" (3/4) ... [2020-11-30 02:10:38,900 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-11-30 02:10:38,901 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-30 02:10:38,907 INFO L168 Benchmark]: Toolchain (without parser) took 3805.07 ms. Allocated memory was 100.7 MB in the beginning and 136.3 MB in the end (delta: 35.7 MB). Free memory was 76.2 MB in the beginning and 92.3 MB in the end (delta: -16.1 MB). Peak memory consumption was 21.2 MB. Max. memory is 16.1 GB. [2020-11-30 02:10:38,908 INFO L168 Benchmark]: CDTParser took 0.42 ms. Allocated memory is still 73.4 MB. Free memory was 42.8 MB in the beginning and 42.7 MB in the end (delta: 67.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 02:10:38,910 INFO L168 Benchmark]: CACSL2BoogieTranslator took 582.33 ms. Allocated memory is still 100.7 MB. Free memory was 76.0 MB in the beginning and 61.9 MB in the end (delta: 14.1 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2020-11-30 02:10:38,911 INFO L168 Benchmark]: Boogie Procedure Inliner took 118.18 ms. Allocated memory is still 100.7 MB. Free memory was 61.9 MB in the beginning and 58.6 MB in the end (delta: 3.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-30 02:10:38,913 INFO L168 Benchmark]: Boogie Preprocessor took 108.86 ms. Allocated memory is still 100.7 MB. Free memory was 58.6 MB in the beginning and 55.4 MB in the end (delta: 3.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-30 02:10:38,914 INFO L168 Benchmark]: RCFGBuilder took 1984.75 ms. Allocated memory is still 100.7 MB. Free memory was 55.2 MB in the beginning and 52.3 MB in the end (delta: 2.9 MB). Peak memory consumption was 30.4 MB. Max. memory is 16.1 GB. [2020-11-30 02:10:38,915 INFO L168 Benchmark]: TraceAbstraction took 990.58 ms. Allocated memory was 100.7 MB in the beginning and 136.3 MB in the end (delta: 35.7 MB). Free memory was 51.8 MB in the beginning and 93.2 MB in the end (delta: -41.4 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 02:10:38,917 INFO L168 Benchmark]: Witness Printer took 7.89 ms. Allocated memory is still 136.3 MB. Free memory was 93.2 MB in the beginning and 92.3 MB in the end (delta: 899.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 02:10:38,934 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.42 ms. Allocated memory is still 73.4 MB. Free memory was 42.8 MB in the beginning and 42.7 MB in the end (delta: 67.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 582.33 ms. Allocated memory is still 100.7 MB. Free memory was 76.0 MB in the beginning and 61.9 MB in the end (delta: 14.1 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 118.18 ms. Allocated memory is still 100.7 MB. Free memory was 61.9 MB in the beginning and 58.6 MB in the end (delta: 3.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 108.86 ms. Allocated memory is still 100.7 MB. Free memory was 58.6 MB in the beginning and 55.4 MB in the end (delta: 3.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1984.75 ms. Allocated memory is still 100.7 MB. Free memory was 55.2 MB in the beginning and 52.3 MB in the end (delta: 2.9 MB). Peak memory consumption was 30.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 990.58 ms. Allocated memory was 100.7 MB in the beginning and 136.3 MB in the end (delta: 35.7 MB). Free memory was 51.8 MB in the beginning and 93.2 MB in the end (delta: -41.4 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 7.89 ms. Allocated memory is still 136.3 MB. Free memory was 93.2 MB in the beginning and 92.3 MB in the end (delta: 899.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 3]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 15, overapproximation of someUnaryDOUBLEoperation at line 47, overapproximation of bitwiseAnd at line 138, overapproximation of someBinaryArithmeticFLOAToperation at line 140. Possible FailurePath: [L32-L37] static const float atanhi_atan[] = { 4.6364760399e-01, 7.8539812565e-01, 9.8279368877e-01, 1.5707962513e+00, }; [L39-L44] static const float atanlo_atan[] = { 5.0121582440e-09, 3.7748947079e-08, 3.4473217170e-08, 7.5497894159e-08, }; [L46-L50] static const float aT_atan[] = { 3.3333334327e-01, -2.0000000298e-01, 1.4285714924e-01, -1.1111110449e-01, 9.0908870101e-02, -7.6918758452e-02, 6.6610731184e-02, -5.8335702866e-02, 4.9768779427e-02, -3.6531571299e-02, 1.6285819933e-02, }; [L52-L54] static const float one_atan = 1.0, huge_atan = 1.0e30, pi_o_4 = 7.8539818525e-01, pi_o_2 = 1.5707963705e+00, pi = 3.1415927410e+00; [L120-L121] static const float tiny_atan2 = 1.0e-30, zero_atan2 = 0.0, pi_lo_atan2 = -8.7422776573e-08; [L226] float x = __VERIFIER_nondet_float(); [L227] float y = __VERIFIER_nondet_float(); [L15] return x != x; [L229] isnan_float(x) || isnan_float(y) VAL [aT_atan={10:0}, atanhi_atan={5:0}, atanlo_atan={9:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, zero_atan2=0] [L229] COND TRUE isnan_float(x) || isnan_float(y) [L124] float z; [L125] __int32_t k, m, hx, hy, ix, iy; VAL [aT_atan={10:0}, atanhi_atan={5:0}, atanlo_atan={9:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, zero_atan2=0] [L128] ieee_float_shape_type gf_u; [L129] gf_u.value = (x) [L130] EXPR gf_u.word [L130] (hx) = gf_u.word [L132] ix = hx & 0x7fffffff VAL [aT_atan={10:0}, atanhi_atan={5:0}, atanlo_atan={9:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, zero_atan2=0] [L134] ieee_float_shape_type gf_u; [L135] gf_u.value = (y) [L136] EXPR gf_u.word [L136] (hy) = gf_u.word [L138] iy = hy & 0x7fffffff VAL [aT_atan={10:0}, atanhi_atan={5:0}, atanlo_atan={9:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, zero_atan2=0] [L139] COND TRUE ((ix) > 0x7f800000L) || ((iy) > 0x7f800000L) [L140] return x + y; VAL [aT_atan={10:0}, atanhi_atan={5:0}, atanlo_atan={9:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, zero_atan2=0] [L232] float res = __ieee754_atan2f(y, x); [L15] return x != x; [L235] COND TRUE !isnan_float(res) [L3] __assert_fail("0", "float_req_bl_0670.c", 3, "reach_error") VAL [aT_atan={10:0}, atanhi_atan={5:0}, atanlo_atan={9:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, zero_atan2=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 78 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.8s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 108 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=78occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 22 NumberOfCodeBlocks, 22 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 81 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-a4ecdab [2020-11-30 02:10:42,094 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-30 02:10:42,098 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-30 02:10:42,141 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-30 02:10:42,142 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-30 02:10:42,144 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-30 02:10:42,146 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-30 02:10:42,150 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-30 02:10:42,154 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-30 02:10:42,156 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-30 02:10:42,158 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-30 02:10:42,167 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-30 02:10:42,168 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-30 02:10:42,170 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-30 02:10:42,172 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-30 02:10:42,174 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-30 02:10:42,176 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-30 02:10:42,178 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-30 02:10:42,181 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-30 02:10:42,185 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-30 02:10:42,188 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-30 02:10:42,194 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-30 02:10:42,197 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-30 02:10:42,200 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-30 02:10:42,207 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-30 02:10:42,211 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-30 02:10:42,217 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-30 02:10:42,219 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-30 02:10:42,219 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-30 02:10:42,224 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-30 02:10:42,224 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-30 02:10:42,225 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-30 02:10:42,227 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-30 02:10:42,228 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-30 02:10:42,229 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-30 02:10:42,230 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-30 02:10:42,231 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-30 02:10:42,231 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-30 02:10:42,231 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-30 02:10:42,232 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-30 02:10:42,233 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-30 02:10:42,234 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_027484c1-11ee-410b-b2b8-bcbb8c2fe122/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2020-11-30 02:10:42,266 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-30 02:10:42,266 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-30 02:10:42,267 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-30 02:10:42,267 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-30 02:10:42,268 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-30 02:10:42,268 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-30 02:10:42,268 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-30 02:10:42,269 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-30 02:10:42,269 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-30 02:10:42,270 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-30 02:10:42,270 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-30 02:10:42,271 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-30 02:10:42,271 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-30 02:10:42,271 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-30 02:10:42,272 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-30 02:10:42,272 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-30 02:10:42,272 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-30 02:10:42,272 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-11-30 02:10:42,273 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-11-30 02:10:42,273 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-30 02:10:42,273 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-30 02:10:42,274 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-30 02:10:42,274 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-30 02:10:42,274 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-30 02:10:42,275 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-30 02:10:42,275 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-30 02:10:42,275 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-30 02:10:42,275 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-30 02:10:42,276 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-30 02:10:42,276 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-30 02:10:42,276 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-30 02:10:42,276 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-11-30 02:10:42,277 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-11-30 02:10:42,277 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-30 02:10:42,277 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-30 02:10:42,278 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-30 02:10:42,278 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-vcloud-master/worker/run_dir_027484c1-11ee-410b-b2b8-bcbb8c2fe122/bin/utaipan/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_027484c1-11ee-410b-b2b8-bcbb8c2fe122/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ed4a460efb594a84f062221537c87307eeb15468 [2020-11-30 02:10:42,784 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-30 02:10:42,813 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-30 02:10:42,817 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-30 02:10:42,819 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-30 02:10:42,821 INFO L275 PluginConnector]: CDTParser initialized [2020-11-30 02:10:42,821 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_027484c1-11ee-410b-b2b8-bcbb8c2fe122/bin/utaipan/../../sv-benchmarks/c/float-newlib/float_req_bl_0670.c [2020-11-30 02:10:42,939 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_027484c1-11ee-410b-b2b8-bcbb8c2fe122/bin/utaipan/data/1c707fbce/b8ed605961024a32b3c2ba91122af6f4/FLAG79de0953e [2020-11-30 02:10:43,689 INFO L306 CDTParser]: Found 1 translation units. [2020-11-30 02:10:43,690 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_027484c1-11ee-410b-b2b8-bcbb8c2fe122/sv-benchmarks/c/float-newlib/float_req_bl_0670.c [2020-11-30 02:10:43,703 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_027484c1-11ee-410b-b2b8-bcbb8c2fe122/bin/utaipan/data/1c707fbce/b8ed605961024a32b3c2ba91122af6f4/FLAG79de0953e [2020-11-30 02:10:44,039 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_027484c1-11ee-410b-b2b8-bcbb8c2fe122/bin/utaipan/data/1c707fbce/b8ed605961024a32b3c2ba91122af6f4 [2020-11-30 02:10:44,042 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-30 02:10:44,044 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-30 02:10:44,046 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-30 02:10:44,047 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-30 02:10:44,056 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-30 02:10:44,057 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 02:10:44" (1/1) ... [2020-11-30 02:10:44,059 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b4a51c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:10:44, skipping insertion in model container [2020-11-30 02:10:44,060 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 02:10:44" (1/1) ... [2020-11-30 02:10:44,071 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-30 02:10:44,113 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-30 02:10:44,417 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 02:10:44,463 INFO L203 MainTranslator]: Completed pre-run [2020-11-30 02:10:44,645 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 02:10:44,694 INFO L208 MainTranslator]: Completed translation [2020-11-30 02:10:44,696 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:10:44 WrapperNode [2020-11-30 02:10:44,696 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-30 02:10:44,699 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-30 02:10:44,699 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-30 02:10:44,700 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-30 02:10:44,710 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:10:44" (1/1) ... [2020-11-30 02:10:44,750 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:10:44" (1/1) ... [2020-11-30 02:10:44,834 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-30 02:10:44,836 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-30 02:10:44,837 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-30 02:10:44,837 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-30 02:10:44,849 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:10:44" (1/1) ... [2020-11-30 02:10:44,850 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:10:44" (1/1) ... [2020-11-30 02:10:44,883 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:10:44" (1/1) ... [2020-11-30 02:10:44,884 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:10:44" (1/1) ... [2020-11-30 02:10:44,955 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:10:44" (1/1) ... [2020-11-30 02:10:44,967 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:10:44" (1/1) ... [2020-11-30 02:10:44,982 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:10:44" (1/1) ... [2020-11-30 02:10:44,990 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-30 02:10:44,991 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-30 02:10:44,991 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-30 02:10:44,992 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-30 02:10:44,993 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:10:44" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_027484c1-11ee-410b-b2b8-bcbb8c2fe122/bin/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-30 02:10:45,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2020-11-30 02:10:45,091 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-11-30 02:10:45,094 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-30 02:10:45,094 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2020-11-30 02:10:45,095 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-11-30 02:10:45,095 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-30 02:10:45,095 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-30 02:10:45,095 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2020-11-30 02:10:45,096 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-11-30 02:10:45,096 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-30 02:11:07,023 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-30 02:11:07,024 INFO L298 CfgBuilder]: Removed 48 assume(true) statements. [2020-11-30 02:11:07,028 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 02:11:07 BoogieIcfgContainer [2020-11-30 02:11:07,028 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-30 02:11:07,034 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-30 02:11:07,034 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-30 02:11:07,038 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-30 02:11:07,039 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.11 02:10:44" (1/3) ... [2020-11-30 02:11:07,041 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70b1d76a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 02:11:07, skipping insertion in model container [2020-11-30 02:11:07,041 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 02:10:44" (2/3) ... [2020-11-30 02:11:07,042 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70b1d76a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 02:11:07, skipping insertion in model container [2020-11-30 02:11:07,042 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 02:11:07" (3/3) ... [2020-11-30 02:11:07,045 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_0670.c [2020-11-30 02:11:07,066 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-30 02:11:07,071 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-30 02:11:07,087 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-30 02:11:07,119 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-30 02:11:07,119 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-30 02:11:07,119 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-30 02:11:07,120 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-30 02:11:07,120 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-30 02:11:07,120 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-30 02:11:07,120 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-30 02:11:07,121 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-30 02:11:07,147 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states. [2020-11-30 02:11:07,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-11-30 02:11:07,155 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 02:11:07,156 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 02:11:07,157 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 02:11:07,164 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 02:11:07,164 INFO L82 PathProgramCache]: Analyzing trace with hash 2081772354, now seen corresponding path program 1 times [2020-11-30 02:11:07,180 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-30 02:11:07,181 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1704330979] [2020-11-30 02:11:07,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_027484c1-11ee-410b-b2b8-bcbb8c2fe122/bin/utaipan/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2020-11-30 02:11:08,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 02:11:08,641 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 1 conjunts are in the unsatisfiable core [2020-11-30 02:11:08,646 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 02:11:08,667 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 02:11:08,667 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-30 02:11:08,679 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 02:11:08,680 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1704330979] [2020-11-30 02:11:08,681 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-30 02:11:08,681 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-11-30 02:11:08,682 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [133471355] [2020-11-30 02:11:08,688 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-30 02:11:08,688 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-30 02:11:08,705 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-30 02:11:08,706 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-30 02:11:08,709 INFO L87 Difference]: Start difference. First operand 116 states. Second operand 2 states. [2020-11-30 02:11:08,775 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 02:11:08,776 INFO L93 Difference]: Finished difference Result 225 states and 373 transitions. [2020-11-30 02:11:08,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-30 02:11:08,782 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 14 [2020-11-30 02:11:08,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 02:11:08,798 INFO L225 Difference]: With dead ends: 225 [2020-11-30 02:11:08,801 INFO L226 Difference]: Without dead ends: 111 [2020-11-30 02:11:08,807 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-30 02:11:08,831 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2020-11-30 02:11:08,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 111. [2020-11-30 02:11:08,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 111 states. [2020-11-30 02:11:08,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 160 transitions. [2020-11-30 02:11:08,891 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 160 transitions. Word has length 14 [2020-11-30 02:11:08,891 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 02:11:08,892 INFO L481 AbstractCegarLoop]: Abstraction has 111 states and 160 transitions. [2020-11-30 02:11:08,892 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-30 02:11:08,892 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 160 transitions. [2020-11-30 02:11:08,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-11-30 02:11:08,893 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 02:11:08,893 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 02:11:09,100 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-11-30 02:11:09,100 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 02:11:09,102 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 02:11:09,102 INFO L82 PathProgramCache]: Analyzing trace with hash 1906427737, now seen corresponding path program 1 times [2020-11-30 02:11:09,103 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-30 02:11:09,104 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1567122838] [2020-11-30 02:11:09,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_027484c1-11ee-410b-b2b8-bcbb8c2fe122/bin/utaipan/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2020-11-30 02:11:10,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 02:11:10,533 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 16 conjunts are in the unsatisfiable core [2020-11-30 02:11:10,536 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 02:11:10,644 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-30 02:11:11,052 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-30 02:11:11,311 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 02:11:11,311 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-30 02:11:14,716 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 10 [2020-11-30 02:11:15,967 WARN L193 SmtUtils]: Spent 330.00 ms on a formula simplification that was a NOOP. DAG size: 11 [2020-11-30 02:11:15,984 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 2, 1] term [2020-11-30 02:11:15,985 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-11-30 02:11:16,064 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 02:11:16,064 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1567122838] [2020-11-30 02:11:16,065 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-30 02:11:16,065 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9, 9] imperfect sequences [] total 17 [2020-11-30 02:11:16,065 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1254261021] [2020-11-30 02:11:16,067 INFO L461 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-11-30 02:11:16,067 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-30 02:11:16,068 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-11-30 02:11:16,069 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=225, Unknown=0, NotChecked=0, Total=272 [2020-11-30 02:11:16,069 INFO L87 Difference]: Start difference. First operand 111 states and 160 transitions. Second operand 17 states. [2020-11-30 02:11:19,431 WARN L193 SmtUtils]: Spent 713.00 ms on a formula simplification. DAG size of input: 26 DAG size of output: 19 [2020-11-30 02:11:21,880 WARN L193 SmtUtils]: Spent 809.00 ms on a formula simplification. DAG size of input: 28 DAG size of output: 21 [2020-11-30 02:13:26,088 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 02:13:26,088 INFO L93 Difference]: Finished difference Result 235 states and 330 transitions. [2020-11-30 02:13:26,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-11-30 02:13:26,110 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 16 [2020-11-30 02:13:26,111 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 02:13:26,114 INFO L225 Difference]: With dead ends: 235 [2020-11-30 02:13:26,115 INFO L226 Difference]: Without dead ends: 230 [2020-11-30 02:13:26,116 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 14 SyntacticMatches, 1 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 80 ImplicationChecksByTransitivity, 7.5s TimeCoverageRelationStatistics Valid=123, Invalid=383, Unknown=0, NotChecked=0, Total=506 [2020-11-30 02:13:26,118 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 230 states. [2020-11-30 02:13:26,144 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 230 to 119. [2020-11-30 02:13:26,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 119 states. [2020-11-30 02:13:26,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 168 transitions. [2020-11-30 02:13:26,157 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 168 transitions. Word has length 16 [2020-11-30 02:13:26,157 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 02:13:26,158 INFO L481 AbstractCegarLoop]: Abstraction has 119 states and 168 transitions. [2020-11-30 02:13:26,158 INFO L482 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-11-30 02:13:26,159 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 168 transitions. [2020-11-30 02:13:26,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-11-30 02:13:26,161 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 02:13:26,162 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 02:13:26,363 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-11-30 02:13:26,365 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 02:13:26,366 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 02:13:26,366 INFO L82 PathProgramCache]: Analyzing trace with hash 2143643094, now seen corresponding path program 1 times [2020-11-30 02:13:26,367 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-30 02:13:26,367 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1679069009] [2020-11-30 02:13:26,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_027484c1-11ee-410b-b2b8-bcbb8c2fe122/bin/utaipan/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2020-11-30 02:13:27,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 02:13:27,822 INFO L263 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 16 conjunts are in the unsatisfiable core [2020-11-30 02:13:27,825 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 02:13:27,870 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-30 02:13:27,872 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-30 02:13:28,194 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-30 02:13:28,439 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 02:13:28,439 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-30 02:13:30,829 WARN L193 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 10 [2020-11-30 02:13:32,286 WARN L193 SmtUtils]: Spent 388.00 ms on a formula simplification that was a NOOP. DAG size: 11 [2020-11-30 02:13:32,309 INFO L375 QuantifierPusher]: Applying distributivity to a DISJUNCTION[2, 2, 2, 1] term [2020-11-30 02:13:32,310 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-11-30 02:13:32,345 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 02:13:32,346 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1679069009] [2020-11-30 02:13:32,346 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-30 02:13:32,346 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8, 8] imperfect sequences [] total 15 [2020-11-30 02:13:32,347 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1310922540] [2020-11-30 02:13:32,347 INFO L461 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-11-30 02:13:32,348 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-30 02:13:32,349 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-11-30 02:13:32,349 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=173, Unknown=0, NotChecked=0, Total=210 [2020-11-30 02:13:32,349 INFO L87 Difference]: Start difference. First operand 119 states and 168 transitions. Second operand 15 states. [2020-11-30 02:13:34,084 WARN L193 SmtUtils]: Spent 647.00 ms on a formula simplification that was a NOOP. DAG size: 23 [2020-11-30 02:13:35,231 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 26 DAG size of output: 13 [2020-11-30 02:13:36,038 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 16 [2020-11-30 02:13:36,529 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 18 [2020-11-30 02:13:50,232 WARN L193 SmtUtils]: Spent 822.00 ms on a formula simplification that was a NOOP. DAG size: 20 [2020-11-30 02:15:14,307 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 02:15:14,307 INFO L93 Difference]: Finished difference Result 207 states and 292 transitions. [2020-11-30 02:15:14,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-11-30 02:15:14,381 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 17 [2020-11-30 02:15:14,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 02:15:14,385 INFO L225 Difference]: With dead ends: 207 [2020-11-30 02:15:14,385 INFO L226 Difference]: Without dead ends: 202 [2020-11-30 02:15:14,387 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 18 SyntacticMatches, 1 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 7.6s TimeCoverageRelationStatistics Valid=103, Invalid=317, Unknown=0, NotChecked=0, Total=420 [2020-11-30 02:15:14,388 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 202 states. [2020-11-30 02:15:14,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 202 to 124. [2020-11-30 02:15:14,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 124 states. [2020-11-30 02:15:14,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 175 transitions. [2020-11-30 02:15:14,428 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 175 transitions. Word has length 17 [2020-11-30 02:15:14,428 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 02:15:14,428 INFO L481 AbstractCegarLoop]: Abstraction has 124 states and 175 transitions. [2020-11-30 02:15:14,429 INFO L482 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-11-30 02:15:14,429 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 175 transitions. [2020-11-30 02:15:14,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-11-30 02:15:14,431 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 02:15:14,431 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 02:15:14,646 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-11-30 02:15:14,647 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 02:15:14,648 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 02:15:14,648 INFO L82 PathProgramCache]: Analyzing trace with hash 953381099, now seen corresponding path program 1 times [2020-11-30 02:15:14,649 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-30 02:15:14,649 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1226706994] [2020-11-30 02:15:14,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_027484c1-11ee-410b-b2b8-bcbb8c2fe122/bin/utaipan/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2020-11-30 02:15:16,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 02:15:16,091 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 13 conjunts are in the unsatisfiable core [2020-11-30 02:15:16,093 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 02:15:16,120 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-30 02:15:16,289 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 02:15:16,289 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-30 02:15:16,655 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 02:15:16,656 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1226706994] [2020-11-30 02:15:16,656 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-30 02:15:16,656 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8, 8] imperfect sequences [] total 14 [2020-11-30 02:15:16,657 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1539988499] [2020-11-30 02:15:16,657 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-11-30 02:15:16,658 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-30 02:15:16,659 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-11-30 02:15:16,659 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2020-11-30 02:15:16,659 INFO L87 Difference]: Start difference. First operand 124 states and 175 transitions. Second operand 14 states. [2020-11-30 02:15:18,306 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 02:15:18,307 INFO L93 Difference]: Finished difference Result 227 states and 319 transitions. [2020-11-30 02:15:18,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-11-30 02:15:18,312 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 21 [2020-11-30 02:15:18,312 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 02:15:18,314 INFO L225 Difference]: With dead ends: 227 [2020-11-30 02:15:18,314 INFO L226 Difference]: Without dead ends: 121 [2020-11-30 02:15:18,316 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=86, Invalid=256, Unknown=0, NotChecked=0, Total=342 [2020-11-30 02:15:18,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2020-11-30 02:15:18,346 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 111. [2020-11-30 02:15:18,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 111 states. [2020-11-30 02:15:18,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 157 transitions. [2020-11-30 02:15:18,348 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 157 transitions. Word has length 21 [2020-11-30 02:15:18,349 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 02:15:18,349 INFO L481 AbstractCegarLoop]: Abstraction has 111 states and 157 transitions. [2020-11-30 02:15:18,349 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-11-30 02:15:18,349 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 157 transitions. [2020-11-30 02:15:18,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-11-30 02:15:18,351 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 02:15:18,351 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 02:15:18,564 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2020-11-30 02:15:18,565 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 02:15:18,565 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 02:15:18,565 INFO L82 PathProgramCache]: Analyzing trace with hash -74426226, now seen corresponding path program 1 times [2020-11-30 02:15:18,566 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-30 02:15:18,566 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [353079228] [2020-11-30 02:15:18,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_027484c1-11ee-410b-b2b8-bcbb8c2fe122/bin/utaipan/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2020-11-30 02:15:19,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 02:15:19,980 INFO L263 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 13 conjunts are in the unsatisfiable core [2020-11-30 02:15:19,983 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 02:15:20,007 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-30 02:15:20,008 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-30 02:15:20,149 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 02:15:20,149 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-30 02:15:20,291 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 02:15:20,291 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [353079228] [2020-11-30 02:15:20,292 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-30 02:15:20,292 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 10 [2020-11-30 02:15:20,292 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [846275835] [2020-11-30 02:15:20,292 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-11-30 02:15:20,293 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-30 02:15:20,293 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-11-30 02:15:20,294 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2020-11-30 02:15:20,294 INFO L87 Difference]: Start difference. First operand 111 states and 157 transitions. Second operand 10 states. [2020-11-30 02:15:20,734 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 28 [2020-11-30 02:15:20,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 02:15:20,737 INFO L93 Difference]: Finished difference Result 111 states and 157 transitions. [2020-11-30 02:15:20,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-11-30 02:15:20,738 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 22 [2020-11-30 02:15:20,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 02:15:20,738 INFO L225 Difference]: With dead ends: 111 [2020-11-30 02:15:20,738 INFO L226 Difference]: Without dead ends: 0 [2020-11-30 02:15:20,739 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 32 SyntacticMatches, 2 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=61, Invalid=149, Unknown=0, NotChecked=0, Total=210 [2020-11-30 02:15:20,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-30 02:15:20,740 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-30 02:15:20,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-30 02:15:20,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-30 02:15:20,740 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 22 [2020-11-30 02:15:20,740 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 02:15:20,741 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-30 02:15:20,741 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-11-30 02:15:20,741 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-30 02:15:20,741 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-30 02:15:20,951 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2020-11-30 02:15:20,953 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-30 02:15:21,734 WARN L193 SmtUtils]: Spent 548.00 ms on a formula simplification that was a NOOP. DAG size: 28 [2020-11-30 02:15:22,230 WARN L193 SmtUtils]: Spent 437.00 ms on a formula simplification that was a NOOP. DAG size: 28 [2020-11-30 02:15:23,915 WARN L193 SmtUtils]: Spent 1.61 s on a formula simplification. DAG size of input: 30 DAG size of output: 29 [2020-11-30 02:15:23,918 INFO L274 CegarLoopResult]: For program point L201-1(lines 201 205) no Hoare annotation was computed. [2020-11-30 02:15:23,919 INFO L270 CegarLoopResult]: At program point L201-2(lines 201 205) the Hoare annotation is: false [2020-11-30 02:15:23,919 INFO L274 CegarLoopResult]: For program point L69(lines 69 72) no Hoare annotation was computed. [2020-11-30 02:15:23,919 INFO L274 CegarLoopResult]: For program point L69-1(lines 69 72) no Hoare annotation was computed. [2020-11-30 02:15:23,919 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-11-30 02:15:23,919 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-11-30 02:15:23,919 INFO L274 CegarLoopResult]: For program point L235(lines 235 238) no Hoare annotation was computed. [2020-11-30 02:15:23,919 INFO L274 CegarLoopResult]: For program point L169(line 169) no Hoare annotation was computed. [2020-11-30 02:15:23,919 INFO L274 CegarLoopResult]: For program point L139(lines 139 140) no Hoare annotation was computed. [2020-11-30 02:15:23,919 INFO L274 CegarLoopResult]: For program point L206(lines 206 210) no Hoare annotation was computed. [2020-11-30 02:15:23,920 INFO L274 CegarLoopResult]: For program point L173(lines 173 182) no Hoare annotation was computed. [2020-11-30 02:15:23,920 INFO L274 CegarLoopResult]: For program point L206-1(lines 199 211) no Hoare annotation was computed. [2020-11-30 02:15:23,920 INFO L274 CegarLoopResult]: For program point L206-2(lines 206 210) no Hoare annotation was computed. [2020-11-30 02:15:23,920 INFO L274 CegarLoopResult]: For program point L74(lines 74 99) no Hoare annotation was computed. [2020-11-30 02:15:23,920 INFO L274 CegarLoopResult]: For program point L74-2(lines 74 99) no Hoare annotation was computed. [2020-11-30 02:15:23,920 INFO L274 CegarLoopResult]: For program point L174(line 174) no Hoare annotation was computed. [2020-11-30 02:15:23,920 INFO L274 CegarLoopResult]: For program point L141(lines 141 142) no Hoare annotation was computed. [2020-11-30 02:15:23,920 INFO L274 CegarLoopResult]: For program point L75(lines 75 78) no Hoare annotation was computed. [2020-11-30 02:15:23,920 INFO L274 CegarLoopResult]: For program point L75-2(lines 75 78) no Hoare annotation was computed. [2020-11-30 02:15:23,920 INFO L274 CegarLoopResult]: For program point L75-3(lines 75 78) no Hoare annotation was computed. [2020-11-30 02:15:23,920 INFO L274 CegarLoopResult]: For program point L75-5(lines 75 78) no Hoare annotation was computed. [2020-11-30 02:15:23,921 INFO L277 CegarLoopResult]: At program point L241(lines 220 242) the Hoare annotation is: true [2020-11-30 02:15:23,921 INFO L274 CegarLoopResult]: For program point L76(lines 76 77) no Hoare annotation was computed. [2020-11-30 02:15:23,921 INFO L274 CegarLoopResult]: For program point L76-1(lines 76 77) no Hoare annotation was computed. [2020-11-30 02:15:23,921 INFO L274 CegarLoopResult]: For program point L176(line 176) no Hoare annotation was computed. [2020-11-30 02:15:23,921 INFO L274 CegarLoopResult]: For program point L178(line 178) no Hoare annotation was computed. [2020-11-30 02:15:23,921 INFO L274 CegarLoopResult]: For program point L145(lines 145 155) no Hoare annotation was computed. [2020-11-30 02:15:23,921 INFO L274 CegarLoopResult]: For program point L112(lines 112 117) no Hoare annotation was computed. [2020-11-30 02:15:23,921 INFO L274 CegarLoopResult]: For program point L145-2(lines 123 218) no Hoare annotation was computed. [2020-11-30 02:15:23,921 INFO L274 CegarLoopResult]: For program point L112-1(lines 112 117) no Hoare annotation was computed. [2020-11-30 02:15:23,921 INFO L274 CegarLoopResult]: For program point L146(lines 146 154) no Hoare annotation was computed. [2020-11-30 02:15:23,921 INFO L274 CegarLoopResult]: For program point L213(line 213) no Hoare annotation was computed. [2020-11-30 02:15:23,921 INFO L274 CegarLoopResult]: For program point L180(line 180) no Hoare annotation was computed. [2020-11-30 02:15:23,922 INFO L274 CegarLoopResult]: For program point L147(line 147) no Hoare annotation was computed. [2020-11-30 02:15:23,922 INFO L274 CegarLoopResult]: For program point L147-2(line 147) no Hoare annotation was computed. [2020-11-30 02:15:23,922 INFO L270 CegarLoopResult]: At program point L15(line 15) the Hoare annotation is: (and (let ((.cse0 (fp.eq ULTIMATE.start_main_~x~0 ULTIMATE.start_main_~x~0))) (or (and (= (_ bv0 32) |ULTIMATE.start_isnan_float_#res|) .cse0) (and (= (_ bv1 32) |ULTIMATE.start_isnan_float_#res|) (not .cse0)))) (= currentRoundingMode roundNearestTiesToEven)) [2020-11-30 02:15:23,922 INFO L270 CegarLoopResult]: At program point L15-1(line 15) the Hoare annotation is: (let ((.cse2 (not |ULTIMATE.start_main_#t~short53|))) (and (let ((.cse0 (fp.eq ULTIMATE.start_main_~y~0 ULTIMATE.start_main_~y~0))) (or (and (= (_ bv0 32) |ULTIMATE.start_isnan_float_#res|) .cse0) (and (= (_ bv1 32) |ULTIMATE.start_isnan_float_#res|) (not .cse0)))) (= currentRoundingMode roundNearestTiesToEven) (let ((.cse1 (fp.eq ULTIMATE.start_main_~x~0 ULTIMATE.start_main_~x~0))) (or (and .cse1 .cse2) (and |ULTIMATE.start_main_#t~short53| (not .cse1)))) (or (forall ((ULTIMATE.start___ieee754_atan2f_~x (_ FloatingPoint 8 24))) (not (let ((.cse3 (fp.add currentRoundingMode ULTIMATE.start___ieee754_atan2f_~x ULTIMATE.start_main_~y~0))) (fp.eq .cse3 .cse3)))) .cse2))) [2020-11-30 02:15:23,922 INFO L270 CegarLoopResult]: At program point L15-2(line 15) the Hoare annotation is: (let ((.cse0 (= currentRoundingMode roundNearestTiesToEven)) (.cse1 (= (_ bv1 32) |ULTIMATE.start_isnan_float_#res|))) (or (and (not (fp.eq |ULTIMATE.start___ieee754_atan2f_#res| |ULTIMATE.start___ieee754_atan2f_#res|)) .cse0 .cse1 (not (fp.eq ULTIMATE.start___ieee754_atan2f_~y ULTIMATE.start___ieee754_atan2f_~y)) (not (fp.eq ULTIMATE.start_main_~y~0 ULTIMATE.start_main_~y~0))) (and .cse0 (exists ((ULTIMATE.start___ieee754_atan2f_~x (_ FloatingPoint 8 24)) (ULTIMATE.start___ieee754_atan2f_~y (_ FloatingPoint 8 24))) (and (= (fp.add roundNearestTiesToEven ULTIMATE.start___ieee754_atan2f_~x ULTIMATE.start___ieee754_atan2f_~y) |ULTIMATE.start___ieee754_atan2f_#res|) (not (fp.eq ULTIMATE.start___ieee754_atan2f_~x ULTIMATE.start___ieee754_atan2f_~x)))) (not (fp.eq ULTIMATE.start___ieee754_atan2f_~x ULTIMATE.start___ieee754_atan2f_~x)) .cse1 (not (fp.eq ULTIMATE.start_main_~x~0 ULTIMATE.start_main_~x~0))))) [2020-11-30 02:15:23,922 INFO L274 CegarLoopResult]: For program point L148(line 148) no Hoare annotation was computed. [2020-11-30 02:15:23,922 INFO L274 CegarLoopResult]: For program point L82(lines 82 98) no Hoare annotation was computed. [2020-11-30 02:15:23,923 INFO L274 CegarLoopResult]: For program point L82-1(lines 82 98) no Hoare annotation was computed. [2020-11-30 02:15:23,923 INFO L274 CegarLoopResult]: For program point L215(line 215) no Hoare annotation was computed. [2020-11-30 02:15:23,923 INFO L274 CegarLoopResult]: For program point L116(line 116) no Hoare annotation was computed. [2020-11-30 02:15:23,923 INFO L274 CegarLoopResult]: For program point L83(lines 83 89) no Hoare annotation was computed. [2020-11-30 02:15:23,923 INFO L274 CegarLoopResult]: For program point L116-2(line 116) no Hoare annotation was computed. [2020-11-30 02:15:23,923 INFO L270 CegarLoopResult]: At program point L116-3(lines 56 118) the Hoare annotation is: false [2020-11-30 02:15:23,923 INFO L274 CegarLoopResult]: For program point L83-3(lines 83 89) no Hoare annotation was computed. [2020-11-30 02:15:23,923 INFO L274 CegarLoopResult]: For program point L116-4(line 116) no Hoare annotation was computed. [2020-11-30 02:15:23,923 INFO L274 CegarLoopResult]: For program point L116-6(line 116) no Hoare annotation was computed. [2020-11-30 02:15:23,923 INFO L270 CegarLoopResult]: At program point L116-7(lines 56 118) the Hoare annotation is: false [2020-11-30 02:15:23,923 INFO L274 CegarLoopResult]: For program point L150(line 150) no Hoare annotation was computed. [2020-11-30 02:15:23,923 INFO L274 CegarLoopResult]: For program point L19-1(lines 19 23) no Hoare annotation was computed. [2020-11-30 02:15:23,924 INFO L270 CegarLoopResult]: At program point L19-2(lines 19 23) the Hoare annotation is: false [2020-11-30 02:15:23,924 INFO L274 CegarLoopResult]: For program point L19-5(lines 19 23) no Hoare annotation was computed. [2020-11-30 02:15:23,924 INFO L270 CegarLoopResult]: At program point L19-6(lines 19 23) the Hoare annotation is: false [2020-11-30 02:15:23,924 INFO L274 CegarLoopResult]: For program point L19-9(lines 19 23) no Hoare annotation was computed. [2020-11-30 02:15:23,924 INFO L270 CegarLoopResult]: At program point L19-10(lines 19 23) the Hoare annotation is: false [2020-11-30 02:15:23,924 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-30 02:15:23,924 INFO L274 CegarLoopResult]: For program point L152(line 152) no Hoare annotation was computed. [2020-11-30 02:15:23,924 INFO L274 CegarLoopResult]: For program point L187(line 187) no Hoare annotation was computed. [2020-11-30 02:15:23,924 INFO L274 CegarLoopResult]: For program point L187-2(line 187) no Hoare annotation was computed. [2020-11-30 02:15:23,924 INFO L270 CegarLoopResult]: At program point L123(lines 123 218) the Hoare annotation is: (let ((.cse0 (= currentRoundingMode roundNearestTiesToEven)) (.cse1 (= (_ bv1 32) |ULTIMATE.start_isnan_float_#res|))) (or (and (not (fp.eq |ULTIMATE.start___ieee754_atan2f_#res| |ULTIMATE.start___ieee754_atan2f_#res|)) .cse0 .cse1 (not (fp.eq ULTIMATE.start___ieee754_atan2f_~y ULTIMATE.start___ieee754_atan2f_~y)) (not (fp.eq ULTIMATE.start_main_~y~0 ULTIMATE.start_main_~y~0))) (and .cse0 (exists ((ULTIMATE.start___ieee754_atan2f_~x (_ FloatingPoint 8 24)) (ULTIMATE.start___ieee754_atan2f_~y (_ FloatingPoint 8 24))) (and (= (fp.add roundNearestTiesToEven ULTIMATE.start___ieee754_atan2f_~x ULTIMATE.start___ieee754_atan2f_~y) |ULTIMATE.start___ieee754_atan2f_#res|) (not (fp.eq ULTIMATE.start___ieee754_atan2f_~x ULTIMATE.start___ieee754_atan2f_~x)))) (not (fp.eq ULTIMATE.start___ieee754_atan2f_~x ULTIMATE.start___ieee754_atan2f_~x)) .cse1 (not (fp.eq ULTIMATE.start_main_~x~0 ULTIMATE.start_main_~x~0))))) [2020-11-30 02:15:23,924 INFO L274 CegarLoopResult]: For program point L24(lines 24 28) no Hoare annotation was computed. [2020-11-30 02:15:23,925 INFO L274 CegarLoopResult]: For program point L24-1(lines 17 30) no Hoare annotation was computed. [2020-11-30 02:15:23,925 INFO L274 CegarLoopResult]: For program point L24-2(lines 24 28) no Hoare annotation was computed. [2020-11-30 02:15:23,925 INFO L274 CegarLoopResult]: For program point L24-3(lines 24 28) no Hoare annotation was computed. [2020-11-30 02:15:23,925 INFO L274 CegarLoopResult]: For program point L24-4(lines 17 30) no Hoare annotation was computed. [2020-11-30 02:15:23,925 INFO L274 CegarLoopResult]: For program point L24-5(lines 24 28) no Hoare annotation was computed. [2020-11-30 02:15:23,925 INFO L274 CegarLoopResult]: For program point L24-6(lines 24 28) no Hoare annotation was computed. [2020-11-30 02:15:23,925 INFO L274 CegarLoopResult]: For program point L24-7(lines 17 30) no Hoare annotation was computed. [2020-11-30 02:15:23,925 INFO L274 CegarLoopResult]: For program point L24-8(lines 24 28) no Hoare annotation was computed. [2020-11-30 02:15:23,925 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-30 02:15:23,925 INFO L274 CegarLoopResult]: For program point L190(lines 190 195) no Hoare annotation was computed. [2020-11-30 02:15:23,926 INFO L274 CegarLoopResult]: For program point L91(lines 91 97) no Hoare annotation was computed. [2020-11-30 02:15:23,926 INFO L274 CegarLoopResult]: For program point L91-2(lines 74 99) no Hoare annotation was computed. [2020-11-30 02:15:23,926 INFO L274 CegarLoopResult]: For program point L91-3(lines 91 97) no Hoare annotation was computed. [2020-11-30 02:15:23,931 INFO L274 CegarLoopResult]: For program point L91-5(lines 74 99) no Hoare annotation was computed. [2020-11-30 02:15:23,931 INFO L274 CegarLoopResult]: For program point L158(line 158) no Hoare annotation was computed. [2020-11-30 02:15:23,931 INFO L274 CegarLoopResult]: For program point L158-2(line 158) no Hoare annotation was computed. [2020-11-30 02:15:23,932 INFO L274 CegarLoopResult]: For program point L192(lines 192 195) no Hoare annotation was computed. [2020-11-30 02:15:23,932 INFO L274 CegarLoopResult]: For program point L192-2(lines 190 195) no Hoare annotation was computed. [2020-11-30 02:15:23,932 INFO L274 CegarLoopResult]: For program point L60-1(lines 60 64) no Hoare annotation was computed. [2020-11-30 02:15:23,932 INFO L270 CegarLoopResult]: At program point L60-2(lines 60 64) the Hoare annotation is: false [2020-11-30 02:15:23,932 INFO L274 CegarLoopResult]: For program point L60-3(lines 60 64) no Hoare annotation was computed. [2020-11-30 02:15:23,933 INFO L274 CegarLoopResult]: For program point L60-5(lines 60 64) no Hoare annotation was computed. [2020-11-30 02:15:23,933 INFO L270 CegarLoopResult]: At program point L60-6(lines 60 64) the Hoare annotation is: false [2020-11-30 02:15:23,934 INFO L274 CegarLoopResult]: For program point L60-7(lines 60 64) no Hoare annotation was computed. [2020-11-30 02:15:23,939 INFO L274 CegarLoopResult]: For program point L160(lines 160 184) no Hoare annotation was computed. [2020-11-30 02:15:23,940 INFO L274 CegarLoopResult]: For program point L160-1(lines 123 218) no Hoare annotation was computed. [2020-11-30 02:15:23,940 INFO L274 CegarLoopResult]: For program point L127-1(lines 127 131) no Hoare annotation was computed. [2020-11-30 02:15:23,940 INFO L270 CegarLoopResult]: At program point L127-2(lines 127 131) the Hoare annotation is: (let ((.cse0 (= currentRoundingMode roundNearestTiesToEven)) (.cse1 (= (_ bv1 32) |ULTIMATE.start_isnan_float_#res|))) (or (and .cse0 (not (fp.eq ULTIMATE.start___ieee754_atan2f_~x ULTIMATE.start___ieee754_atan2f_~x)) .cse1 (not (fp.eq ULTIMATE.start_main_~x~0 ULTIMATE.start_main_~x~0))) (and .cse0 .cse1 (not (fp.eq ULTIMATE.start___ieee754_atan2f_~y ULTIMATE.start___ieee754_atan2f_~y)) (not (fp.eq ULTIMATE.start_main_~y~0 ULTIMATE.start_main_~y~0))))) [2020-11-30 02:15:23,940 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-30 02:15:23,940 INFO L274 CegarLoopResult]: For program point L127-3(lines 127 131) no Hoare annotation was computed. [2020-11-30 02:15:23,940 INFO L274 CegarLoopResult]: For program point L161(lines 161 183) no Hoare annotation was computed. [2020-11-30 02:15:23,941 INFO L270 CegarLoopResult]: At program point L29(lines 17 30) the Hoare annotation is: false [2020-11-30 02:15:23,941 INFO L270 CegarLoopResult]: At program point L29-1(lines 17 30) the Hoare annotation is: false [2020-11-30 02:15:23,941 INFO L270 CegarLoopResult]: At program point L29-2(lines 17 30) the Hoare annotation is: false [2020-11-30 02:15:23,941 INFO L274 CegarLoopResult]: For program point L162(lines 162 171) no Hoare annotation was computed. [2020-11-30 02:15:23,941 INFO L274 CegarLoopResult]: For program point L229(line 229) no Hoare annotation was computed. [2020-11-30 02:15:23,941 INFO L274 CegarLoopResult]: For program point L196(lines 196 217) no Hoare annotation was computed. [2020-11-30 02:15:23,941 INFO L274 CegarLoopResult]: For program point L229-2(lines 229 239) no Hoare annotation was computed. [2020-11-30 02:15:23,941 INFO L274 CegarLoopResult]: For program point L163(line 163) no Hoare annotation was computed. [2020-11-30 02:15:23,941 INFO L274 CegarLoopResult]: For program point L229-4(lines 229 239) no Hoare annotation was computed. [2020-11-30 02:15:23,941 INFO L274 CegarLoopResult]: For program point L197(line 197) no Hoare annotation was computed. [2020-11-30 02:15:23,941 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-30 02:15:23,941 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-30 02:15:23,942 INFO L274 CegarLoopResult]: For program point L165(line 165) no Hoare annotation was computed. [2020-11-30 02:15:23,942 INFO L274 CegarLoopResult]: For program point L66(lines 66 73) no Hoare annotation was computed. [2020-11-30 02:15:23,942 INFO L274 CegarLoopResult]: For program point L66-1(lines 66 73) no Hoare annotation was computed. [2020-11-30 02:15:23,942 INFO L274 CegarLoopResult]: For program point L199(line 199) no Hoare annotation was computed. [2020-11-30 02:15:23,942 INFO L274 CegarLoopResult]: For program point L133-1(lines 133 137) no Hoare annotation was computed. [2020-11-30 02:15:23,942 INFO L270 CegarLoopResult]: At program point L133-2(lines 133 137) the Hoare annotation is: (let ((.cse0 (= currentRoundingMode roundNearestTiesToEven)) (.cse1 (= (_ bv1 32) |ULTIMATE.start_isnan_float_#res|))) (or (and .cse0 .cse1 (not (fp.eq ULTIMATE.start___ieee754_atan2f_~y ULTIMATE.start___ieee754_atan2f_~y)) (not (fp.eq ULTIMATE.start_main_~y~0 ULTIMATE.start_main_~y~0))) (and (not (let ((.cse2 (fp ((_ extract 31 31) ULTIMATE.start___ieee754_atan2f_~hx~1) ((_ extract 30 23) ULTIMATE.start___ieee754_atan2f_~hx~1) ((_ extract 22 0) ULTIMATE.start___ieee754_atan2f_~hx~1)))) (fp.eq .cse2 .cse2))) .cse0 (not (fp.eq ULTIMATE.start___ieee754_atan2f_~x ULTIMATE.start___ieee754_atan2f_~x)) .cse1 (exists ((ULTIMATE.start___ieee754_atan2f_~hx~1 (_ BitVec 32))) (and (not (let ((.cse3 (fp ((_ extract 31 31) ULTIMATE.start___ieee754_atan2f_~hx~1) ((_ extract 30 23) ULTIMATE.start___ieee754_atan2f_~hx~1) ((_ extract 22 0) ULTIMATE.start___ieee754_atan2f_~hx~1)))) (fp.eq .cse3 .cse3))) (= (bvand (_ bv2147483647 32) ULTIMATE.start___ieee754_atan2f_~hx~1) ULTIMATE.start___ieee754_atan2f_~ix~2))) (not (fp.eq ULTIMATE.start_main_~x~0 ULTIMATE.start_main_~x~0))))) [2020-11-30 02:15:23,942 INFO L274 CegarLoopResult]: For program point L67(lines 67 68) no Hoare annotation was computed. [2020-11-30 02:15:23,942 INFO L274 CegarLoopResult]: For program point L133-3(lines 133 137) no Hoare annotation was computed. [2020-11-30 02:15:23,942 INFO L274 CegarLoopResult]: For program point L67-1(lines 67 68) no Hoare annotation was computed. [2020-11-30 02:15:23,943 INFO L274 CegarLoopResult]: For program point L167(line 167) no Hoare annotation was computed. [2020-11-30 02:15:23,951 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 02:15:23,954 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 02:15:23,959 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 02:15:23,960 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 02:15:23,963 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 02:15:23,963 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 02:15:23,963 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 02:15:23,964 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~x,QUANTIFIED] [2020-11-30 02:15:23,964 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~y,QUANTIFIED] [2020-11-30 02:15:23,964 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~x,QUANTIFIED] [2020-11-30 02:15:23,964 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~x,QUANTIFIED] [2020-11-30 02:15:23,965 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 02:15:23,965 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 02:15:23,967 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 02:15:23,967 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 02:15:23,968 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 02:15:23,968 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~x,QUANTIFIED] [2020-11-30 02:15:23,968 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~y,QUANTIFIED] [2020-11-30 02:15:23,968 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~x,QUANTIFIED] [2020-11-30 02:15:23,969 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~x,QUANTIFIED] [2020-11-30 02:15:23,969 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 02:15:23,970 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 02:15:23,972 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 02:15:23,972 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 02:15:23,973 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 02:15:23,973 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 02:15:23,974 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 02:15:23,974 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 02:15:23,975 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 02:15:23,975 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 02:15:23,976 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 02:15:23,976 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 02:15:23,977 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 02:15:23,977 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~x,QUANTIFIED] [2020-11-30 02:15:23,977 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~y,QUANTIFIED] [2020-11-30 02:15:23,977 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~x,QUANTIFIED] [2020-11-30 02:15:23,978 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~x,QUANTIFIED] [2020-11-30 02:15:23,978 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 02:15:23,978 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 02:15:23,980 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 02:15:23,980 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 02:15:23,981 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 02:15:23,981 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~x,QUANTIFIED] [2020-11-30 02:15:23,981 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~y,QUANTIFIED] [2020-11-30 02:15:23,981 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~x,QUANTIFIED] [2020-11-30 02:15:23,982 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~x,QUANTIFIED] [2020-11-30 02:15:23,982 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 02:15:23,982 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 02:15:23,984 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 02:15:23,984 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 02:15:23,985 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-30 02:15:23,985 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-30 02:15:23,985 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-30 02:15:23,986 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-30 02:15:23,986 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-30 02:15:23,986 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-30 02:15:23,986 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-30 02:15:23,987 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 02:15:23,987 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 02:15:23,988 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 02:15:23,988 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 02:15:23,988 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-30 02:15:23,989 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-30 02:15:23,989 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-30 02:15:23,989 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-30 02:15:23,989 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-30 02:15:23,990 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-30 02:15:23,990 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-30 02:15:23,990 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 02:15:23,991 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 02:15:23,992 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 02:15:23,992 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~x,QUANTIFIED] [2020-11-30 02:15:23,993 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~x,QUANTIFIED] [2020-11-30 02:15:23,993 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 02:15:23,993 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 02:15:23,994 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 02:15:23,995 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 02:15:23,995 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~x,QUANTIFIED] [2020-11-30 02:15:23,995 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~x,QUANTIFIED] [2020-11-30 02:15:23,996 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 02:15:23,996 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 02:15:23,996 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 02:15:23,999 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.11 02:15:23 BoogieIcfgContainer [2020-11-30 02:15:23,999 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-30 02:15:24,000 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-30 02:15:24,000 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-30 02:15:24,000 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-30 02:15:24,001 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 02:11:07" (3/4) ... [2020-11-30 02:15:24,005 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-30 02:15:24,028 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 23 nodes and edges [2020-11-30 02:15:24,029 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2020-11-30 02:15:24,030 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-30 02:15:24,031 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-30 02:15:24,065 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((0bv32 == \result && ~fp.eq~FLOAT(x, x)) || (1bv32 == \result && !~fp.eq~FLOAT(x, x))) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven [2020-11-30 02:15:24,066 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((0bv32 == \result && ~fp.eq~FLOAT(y, y)) || (1bv32 == \result && !~fp.eq~FLOAT(y, y))) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && ((~fp.eq~FLOAT(x, x) && !aux-isnan_float(x) || isnan_float(y)-aux) || (aux-isnan_float(x) || isnan_float(y)-aux && !~fp.eq~FLOAT(x, x)))) && ((forall ULTIMATE.start___ieee754_atan2f_~x : C_FLOAT :: !~fp.eq~FLOAT(~fp.add~FLOAT(unknown-currentRoundingMode-unknown, ULTIMATE.start___ieee754_atan2f_~x, y), ~fp.add~FLOAT(unknown-currentRoundingMode-unknown, ULTIMATE.start___ieee754_atan2f_~x, y))) || !aux-isnan_float(x) || isnan_float(y)-aux) [2020-11-30 02:15:24,067 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven && !~fp.eq~FLOAT(x, x)) && 1bv32 == \result) && !~fp.eq~FLOAT(x, x)) || (((unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven && 1bv32 == \result) && !~fp.eq~FLOAT(y, y)) && !~fp.eq~FLOAT(y, y)) [2020-11-30 02:15:24,067 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven && 1bv32 == \result) && !~fp.eq~FLOAT(y, y)) && !~fp.eq~FLOAT(y, y)) || (((((!~fp.eq~FLOAT(~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]), ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0])) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && !~fp.eq~FLOAT(x, x)) && 1bv32 == \result) && (\exists ULTIMATE.start___ieee754_atan2f_~hx~1 : bv32 :: !~fp.eq~FLOAT(~fp~LONGDOUBLE(ULTIMATE.start___ieee754_atan2f_~hx~1[31:31], ULTIMATE.start___ieee754_atan2f_~hx~1[30:23], ULTIMATE.start___ieee754_atan2f_~hx~1[22:0]), ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_atan2f_~hx~1[31:31], ULTIMATE.start___ieee754_atan2f_~hx~1[30:23], ULTIMATE.start___ieee754_atan2f_~hx~1[22:0])) && ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_atan2f_~hx~1) == ix)) && !~fp.eq~FLOAT(x, x)) [2020-11-30 02:15:24,068 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!~fp.eq~FLOAT(\result, \result) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && 1bv32 == \result) && !~fp.eq~FLOAT(y, y)) && !~fp.eq~FLOAT(y, y)) || ((((unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven && (\exists ULTIMATE.start___ieee754_atan2f_~x : C_FLOAT, ULTIMATE.start___ieee754_atan2f_~y : C_FLOAT :: ~fp.add~FLOAT(~roundNearestTiesToEven, ULTIMATE.start___ieee754_atan2f_~x, ULTIMATE.start___ieee754_atan2f_~y) == \result && !~fp.eq~FLOAT(ULTIMATE.start___ieee754_atan2f_~x, ULTIMATE.start___ieee754_atan2f_~x))) && !~fp.eq~FLOAT(x, x)) && 1bv32 == \result) && !~fp.eq~FLOAT(x, x)) [2020-11-30 02:15:24,069 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!~fp.eq~FLOAT(\result, \result) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && 1bv32 == \result) && !~fp.eq~FLOAT(y, y)) && !~fp.eq~FLOAT(y, y)) || ((((unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven && (\exists ULTIMATE.start___ieee754_atan2f_~x : C_FLOAT, ULTIMATE.start___ieee754_atan2f_~y : C_FLOAT :: ~fp.add~FLOAT(~roundNearestTiesToEven, ULTIMATE.start___ieee754_atan2f_~x, ULTIMATE.start___ieee754_atan2f_~y) == \result && !~fp.eq~FLOAT(ULTIMATE.start___ieee754_atan2f_~x, ULTIMATE.start___ieee754_atan2f_~x))) && !~fp.eq~FLOAT(x, x)) && 1bv32 == \result) && !~fp.eq~FLOAT(x, x)) [2020-11-30 02:15:24,178 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_027484c1-11ee-410b-b2b8-bcbb8c2fe122/bin/utaipan/witness.graphml [2020-11-30 02:15:24,178 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-30 02:15:24,183 INFO L168 Benchmark]: Toolchain (without parser) took 280135.32 ms. Allocated memory was 54.5 MB in the beginning and 77.6 MB in the end (delta: 23.1 MB). Free memory was 32.9 MB in the beginning and 31.5 MB in the end (delta: 1.5 MB). Peak memory consumption was 23.5 MB. Max. memory is 16.1 GB. [2020-11-30 02:15:24,184 INFO L168 Benchmark]: CDTParser took 0.37 ms. Allocated memory is still 54.5 MB. Free memory was 36.6 MB in the beginning and 36.5 MB in the end (delta: 73.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 02:15:24,184 INFO L168 Benchmark]: CACSL2BoogieTranslator took 650.60 ms. Allocated memory was 54.5 MB in the beginning and 77.6 MB in the end (delta: 23.1 MB). Free memory was 32.8 MB in the beginning and 57.2 MB in the end (delta: -24.5 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2020-11-30 02:15:24,185 INFO L168 Benchmark]: Boogie Procedure Inliner took 135.41 ms. Allocated memory is still 77.6 MB. Free memory was 57.2 MB in the beginning and 53.7 MB in the end (delta: 3.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-30 02:15:24,185 INFO L168 Benchmark]: Boogie Preprocessor took 153.64 ms. Allocated memory is still 77.6 MB. Free memory was 53.4 MB in the beginning and 50.0 MB in the end (delta: 3.4 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-30 02:15:24,186 INFO L168 Benchmark]: RCFGBuilder took 22037.53 ms. Allocated memory is still 77.6 MB. Free memory was 50.0 MB in the beginning and 52.1 MB in the end (delta: -2.1 MB). Peak memory consumption was 17.9 MB. Max. memory is 16.1 GB. [2020-11-30 02:15:24,186 INFO L168 Benchmark]: TraceAbstraction took 256965.63 ms. Allocated memory is still 77.6 MB. Free memory was 51.7 MB in the beginning and 39.9 MB in the end (delta: 11.8 MB). Peak memory consumption was 33.0 MB. Max. memory is 16.1 GB. [2020-11-30 02:15:24,187 INFO L168 Benchmark]: Witness Printer took 178.70 ms. Allocated memory is still 77.6 MB. Free memory was 39.9 MB in the beginning and 31.5 MB in the end (delta: 8.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-30 02:15:24,190 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37 ms. Allocated memory is still 54.5 MB. Free memory was 36.6 MB in the beginning and 36.5 MB in the end (delta: 73.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 650.60 ms. Allocated memory was 54.5 MB in the beginning and 77.6 MB in the end (delta: 23.1 MB). Free memory was 32.8 MB in the beginning and 57.2 MB in the end (delta: -24.5 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 135.41 ms. Allocated memory is still 77.6 MB. Free memory was 57.2 MB in the beginning and 53.7 MB in the end (delta: 3.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 153.64 ms. Allocated memory is still 77.6 MB. Free memory was 53.4 MB in the beginning and 50.0 MB in the end (delta: 3.4 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 22037.53 ms. Allocated memory is still 77.6 MB. Free memory was 50.0 MB in the beginning and 52.1 MB in the end (delta: -2.1 MB). Peak memory consumption was 17.9 MB. Max. memory is 16.1 GB. * TraceAbstraction took 256965.63 ms. Allocated memory is still 77.6 MB. Free memory was 51.7 MB in the beginning and 39.9 MB in the end (delta: 11.8 MB). Peak memory consumption was 33.0 MB. Max. memory is 16.1 GB. * Witness Printer took 178.70 ms. Allocated memory is still 77.6 MB. Free memory was 39.9 MB in the beginning and 31.5 MB in the end (delta: 8.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~x,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~y,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~x,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~x,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~x,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~y,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~x,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~x,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~x,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~y,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~x,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~x,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~x,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~y,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~x,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~x,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~x,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~x,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~x,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~x,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 15]: Loop Invariant [2020-11-30 02:15:24,212 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 02:15:24,213 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 02:15:24,213 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 02:15:24,214 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: ((0bv32 == \result && ~fp.eq~FLOAT(x, x)) || (1bv32 == \result && !~fp.eq~FLOAT(x, x))) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven - InvariantResult [Line: 60]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 123]: Loop Invariant [2020-11-30 02:15:24,215 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 02:15:24,222 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 02:15:24,223 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 02:15:24,223 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~x,QUANTIFIED] [2020-11-30 02:15:24,223 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~y,QUANTIFIED] [2020-11-30 02:15:24,223 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~x,QUANTIFIED] [2020-11-30 02:15:24,224 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~x,QUANTIFIED] [2020-11-30 02:15:24,226 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 02:15:24,227 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 02:15:24,228 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 02:15:24,229 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 02:15:24,229 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 02:15:24,229 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~x,QUANTIFIED] [2020-11-30 02:15:24,230 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~y,QUANTIFIED] [2020-11-30 02:15:24,230 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~x,QUANTIFIED] [2020-11-30 02:15:24,230 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~x,QUANTIFIED] [2020-11-30 02:15:24,231 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 02:15:24,231 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: ((((!~fp.eq~FLOAT(\result, \result) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && 1bv32 == \result) && !~fp.eq~FLOAT(y, y)) && !~fp.eq~FLOAT(y, y)) || ((((unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven && (\exists ULTIMATE.start___ieee754_atan2f_~x : C_FLOAT, ULTIMATE.start___ieee754_atan2f_~y : C_FLOAT :: ~fp.add~FLOAT(~roundNearestTiesToEven, ULTIMATE.start___ieee754_atan2f_~x, ULTIMATE.start___ieee754_atan2f_~y) == \result && !~fp.eq~FLOAT(ULTIMATE.start___ieee754_atan2f_~x, ULTIMATE.start___ieee754_atan2f_~x))) && !~fp.eq~FLOAT(x, x)) && 1bv32 == \result) && !~fp.eq~FLOAT(x, x)) - InvariantResult [Line: 17]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 220]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 56]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 19]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 17]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 201]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 17]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 127]: Loop Invariant [2020-11-30 02:15:24,235 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 02:15:24,235 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 02:15:24,236 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 02:15:24,236 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 02:15:24,236 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 02:15:24,237 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 02:15:24,237 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 02:15:24,237 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: (((unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven && !~fp.eq~FLOAT(x, x)) && 1bv32 == \result) && !~fp.eq~FLOAT(x, x)) || (((unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven && 1bv32 == \result) && !~fp.eq~FLOAT(y, y)) && !~fp.eq~FLOAT(y, y)) - InvariantResult [Line: 19]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 60]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 15]: Loop Invariant [2020-11-30 02:15:24,239 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 02:15:24,241 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 02:15:24,242 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 02:15:24,246 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~x,QUANTIFIED] [2020-11-30 02:15:24,247 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~y,QUANTIFIED] [2020-11-30 02:15:24,247 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~x,QUANTIFIED] [2020-11-30 02:15:24,247 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~x,QUANTIFIED] [2020-11-30 02:15:24,248 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 02:15:24,248 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 02:15:24,249 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 02:15:24,249 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 02:15:24,249 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 02:15:24,250 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~x,QUANTIFIED] [2020-11-30 02:15:24,250 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~y,QUANTIFIED] [2020-11-30 02:15:24,250 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~x,QUANTIFIED] [2020-11-30 02:15:24,250 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~x,QUANTIFIED] [2020-11-30 02:15:24,251 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 02:15:24,251 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: ((((!~fp.eq~FLOAT(\result, \result) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && 1bv32 == \result) && !~fp.eq~FLOAT(y, y)) && !~fp.eq~FLOAT(y, y)) || ((((unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven && (\exists ULTIMATE.start___ieee754_atan2f_~x : C_FLOAT, ULTIMATE.start___ieee754_atan2f_~y : C_FLOAT :: ~fp.add~FLOAT(~roundNearestTiesToEven, ULTIMATE.start___ieee754_atan2f_~x, ULTIMATE.start___ieee754_atan2f_~y) == \result && !~fp.eq~FLOAT(ULTIMATE.start___ieee754_atan2f_~x, ULTIMATE.start___ieee754_atan2f_~x))) && !~fp.eq~FLOAT(x, x)) && 1bv32 == \result) && !~fp.eq~FLOAT(x, x)) - InvariantResult [Line: 56]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 19]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 133]: Loop Invariant [2020-11-30 02:15:24,255 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 02:15:24,256 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 02:15:24,256 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-30 02:15:24,256 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-30 02:15:24,256 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-30 02:15:24,257 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-30 02:15:24,257 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-30 02:15:24,257 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-30 02:15:24,257 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-30 02:15:24,257 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 02:15:24,258 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 02:15:24,258 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 02:15:24,259 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 02:15:24,259 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-30 02:15:24,259 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-30 02:15:24,259 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-30 02:15:24,259 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-30 02:15:24,260 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-30 02:15:24,260 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-30 02:15:24,260 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-11-30 02:15:24,260 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 02:15:24,264 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: (((unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven && 1bv32 == \result) && !~fp.eq~FLOAT(y, y)) && !~fp.eq~FLOAT(y, y)) || (((((!~fp.eq~FLOAT(~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]), ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0])) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && !~fp.eq~FLOAT(x, x)) && 1bv32 == \result) && (\exists ULTIMATE.start___ieee754_atan2f_~hx~1 : bv32 :: !~fp.eq~FLOAT(~fp~LONGDOUBLE(ULTIMATE.start___ieee754_atan2f_~hx~1[31:31], ULTIMATE.start___ieee754_atan2f_~hx~1[30:23], ULTIMATE.start___ieee754_atan2f_~hx~1[22:0]), ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_atan2f_~hx~1[31:31], ULTIMATE.start___ieee754_atan2f_~hx~1[30:23], ULTIMATE.start___ieee754_atan2f_~hx~1[22:0])) && ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_atan2f_~hx~1) == ix)) && !~fp.eq~FLOAT(x, x)) - InvariantResult [Line: 15]: Loop Invariant [2020-11-30 02:15:24,265 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 02:15:24,266 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~x,QUANTIFIED] [2020-11-30 02:15:24,266 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~x,QUANTIFIED] [2020-11-30 02:15:24,266 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 02:15:24,267 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 02:15:24,267 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 02:15:24,268 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 02:15:24,268 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~x,QUANTIFIED] [2020-11-30 02:15:24,268 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~x,QUANTIFIED] [2020-11-30 02:15:24,269 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 02:15:24,269 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 02:15:24,269 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: ((((0bv32 == \result && ~fp.eq~FLOAT(y, y)) || (1bv32 == \result && !~fp.eq~FLOAT(y, y))) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && ((~fp.eq~FLOAT(x, x) && !aux-isnan_float(x) || isnan_float(y)-aux) || (aux-isnan_float(x) || isnan_float(y)-aux && !~fp.eq~FLOAT(x, x)))) && ((forall ULTIMATE.start___ieee754_atan2f_~x : C_FLOAT :: !~fp.eq~FLOAT(~fp.add~FLOAT(unknown-currentRoundingMode-unknown, ULTIMATE.start___ieee754_atan2f_~x, y), ~fp.add~FLOAT(unknown-currentRoundingMode-unknown, ULTIMATE.start___ieee754_atan2f_~x, y))) || !aux-isnan_float(x) || isnan_float(y)-aux) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 116 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 253.8s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 234.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 650 SDtfs, 2240 SDslu, 3501 SDs, 0 SdLazy, 974 SolverSat, 47 SolverUnsat, 37 SolverUnknown, 0 SolverNotchecked, 221.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 192 GetRequests, 118 SyntacticMatches, 4 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 3 DeprecatedPredicates, 170 ImplicationChecksByTransitivity, 16.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=124occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 199 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 18 LocationsWithAnnotation, 18 PreInvPairs, 27 NumberOfFragments, 274 HoareAnnotationTreeSize, 18 FomulaSimplifications, 46 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 18 FomulaSimplificationsInter, 7 FormulaSimplificationTreeSizeReductionInter, 2.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 6.2s SatisfiabilityAnalysisTime, 11.4s InterpolantComputationTime, 90 NumberOfCodeBlocks, 90 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 170 ConstructedInterpolants, 33 QuantifiedInterpolants, 19286 SizeOfPredicates, 54 NumberOfNonLiveVariables, 634 ConjunctsInSsa, 59 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! [MP z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process Received shutdown request...