./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 7b2dab56 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_97308efb-786a-4bef-b898-a8563f531188/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_97308efb-786a-4bef-b898-a8563f531188/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_97308efb-786a-4bef-b898-a8563f531188/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_97308efb-786a-4bef-b898-a8563f531188/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0670.c -s /tmp/vcloud-vcloud-master/worker/run_dir_97308efb-786a-4bef-b898-a8563f531188/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_97308efb-786a-4bef-b898-a8563f531188/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_97308efb-786a-4bef-b898-a8563f531188/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_97308efb-786a-4bef-b898-a8563f531188/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_97308efb-786a-4bef-b898-a8563f531188/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_97308efb-786a-4bef-b898-a8563f531188/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0670.c -s /tmp/vcloud-vcloud-master/worker/run_dir_97308efb-786a-4bef-b898-a8563f531188/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_97308efb-786a-4bef-b898-a8563f531188/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 0.2.0-7b2dab5 [2020-12-09 06:22:59,821 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-09 06:22:59,822 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-09 06:22:59,844 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-09 06:22:59,844 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-09 06:22:59,845 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-09 06:22:59,846 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-09 06:22:59,848 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-09 06:22:59,850 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-09 06:22:59,850 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-09 06:22:59,851 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-09 06:22:59,852 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-09 06:22:59,853 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-09 06:22:59,853 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-09 06:22:59,854 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-09 06:22:59,855 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-09 06:22:59,856 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-09 06:22:59,857 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-09 06:22:59,859 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-09 06:22:59,860 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-09 06:22:59,862 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-09 06:22:59,863 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-09 06:22:59,864 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-09 06:22:59,865 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-09 06:22:59,867 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-09 06:22:59,868 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-09 06:22:59,868 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-09 06:22:59,869 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-09 06:22:59,869 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-09 06:22:59,870 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-09 06:22:59,870 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-09 06:22:59,871 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-09 06:22:59,872 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-09 06:22:59,872 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-09 06:22:59,873 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-09 06:22:59,873 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-09 06:22:59,874 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-09 06:22:59,874 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-09 06:22:59,874 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-09 06:22:59,875 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-09 06:22:59,875 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-09 06:22:59,876 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_97308efb-786a-4bef-b898-a8563f531188/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2020-12-09 06:22:59,899 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-09 06:22:59,899 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-09 06:22:59,900 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-09 06:22:59,900 INFO L138 SettingsManager]: * User list type=DISABLED [2020-12-09 06:22:59,900 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-12-09 06:22:59,912 INFO L138 SettingsManager]: * Explicit value domain=true [2020-12-09 06:22:59,912 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-12-09 06:22:59,912 INFO L138 SettingsManager]: * Octagon Domain=false [2020-12-09 06:22:59,912 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-12-09 06:22:59,912 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-12-09 06:22:59,912 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-12-09 06:22:59,912 INFO L138 SettingsManager]: * Interval Domain=false [2020-12-09 06:22:59,912 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-12-09 06:22:59,913 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-12-09 06:22:59,913 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-12-09 06:22:59,913 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-09 06:22:59,913 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-09 06:22:59,913 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-09 06:22:59,914 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-09 06:22:59,914 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-09 06:22:59,914 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-09 06:22:59,914 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-09 06:22:59,914 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-09 06:22:59,914 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-12-09 06:22:59,914 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-09 06:22:59,914 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-09 06:22:59,914 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-09 06:22:59,914 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-09 06:22:59,915 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-09 06:22:59,915 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-09 06:22:59,915 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-09 06:22:59,915 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-09 06:22:59,915 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-09 06:22:59,915 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-09 06:22:59,915 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-12-09 06:22:59,915 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-09 06:22:59,915 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-09 06:22:59,916 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-09 06:22:59,916 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-09 06:22:59,916 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_97308efb-786a-4bef-b898-a8563f531188/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_97308efb-786a-4bef-b898-a8563f531188/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ed4a460efb594a84f062221537c87307eeb15468 [2020-12-09 06:23:00,073 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-09 06:23:00,089 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-09 06:23:00,090 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-09 06:23:00,091 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-09 06:23:00,092 INFO L275 PluginConnector]: CDTParser initialized [2020-12-09 06:23:00,092 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_97308efb-786a-4bef-b898-a8563f531188/bin/utaipan/../../sv-benchmarks/c/float-newlib/float_req_bl_0670.c [2020-12-09 06:23:00,132 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_97308efb-786a-4bef-b898-a8563f531188/bin/utaipan/data/1c8c3734c/6f79a1ff81bc43d88e5ef732fc373acb/FLAG548ae9a47 [2020-12-09 06:23:00,514 INFO L306 CDTParser]: Found 1 translation units. [2020-12-09 06:23:00,514 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_97308efb-786a-4bef-b898-a8563f531188/sv-benchmarks/c/float-newlib/float_req_bl_0670.c [2020-12-09 06:23:00,520 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_97308efb-786a-4bef-b898-a8563f531188/bin/utaipan/data/1c8c3734c/6f79a1ff81bc43d88e5ef732fc373acb/FLAG548ae9a47 [2020-12-09 06:23:00,530 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_97308efb-786a-4bef-b898-a8563f531188/bin/utaipan/data/1c8c3734c/6f79a1ff81bc43d88e5ef732fc373acb [2020-12-09 06:23:00,532 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-09 06:23:00,533 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-09 06:23:00,534 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-09 06:23:00,534 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-09 06:23:00,536 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-09 06:23:00,536 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 06:23:00" (1/1) ... [2020-12-09 06:23:00,538 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f7c992e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:23:00, skipping insertion in model container [2020-12-09 06:23:00,538 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 06:23:00" (1/1) ... [2020-12-09 06:23:00,545 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-09 06:23:00,565 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-09 06:23:00,722 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_97308efb-786a-4bef-b898-a8563f531188/sv-benchmarks/c/float-newlib/float_req_bl_0670.c[5373,5386] [2020-12-09 06:23:00,725 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 06:23:00,735 INFO L203 MainTranslator]: Completed pre-run [2020-12-09 06:23:00,779 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_97308efb-786a-4bef-b898-a8563f531188/sv-benchmarks/c/float-newlib/float_req_bl_0670.c[5373,5386] [2020-12-09 06:23:00,779 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 06:23:00,797 INFO L208 MainTranslator]: Completed translation [2020-12-09 06:23:00,798 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:23:00 WrapperNode [2020-12-09 06:23:00,798 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-09 06:23:00,799 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-09 06:23:00,799 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-09 06:23:00,799 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-09 06:23:00,806 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:23:00" (1/1) ... [2020-12-09 06:23:00,817 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:23:00" (1/1) ... [2020-12-09 06:23:00,852 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-09 06:23:00,853 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-09 06:23:00,853 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-09 06:23:00,853 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-09 06:23:00,861 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:23:00" (1/1) ... [2020-12-09 06:23:00,861 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:23:00" (1/1) ... [2020-12-09 06:23:00,867 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:23:00" (1/1) ... [2020-12-09 06:23:00,867 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:23:00" (1/1) ... [2020-12-09 06:23:00,884 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:23:00" (1/1) ... [2020-12-09 06:23:00,892 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:23:00" (1/1) ... [2020-12-09 06:23:00,896 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:23:00" (1/1) ... [2020-12-09 06:23:00,901 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-09 06:23:00,902 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-09 06:23:00,902 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-09 06:23:00,902 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-09 06:23:00,903 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:23:00" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_97308efb-786a-4bef-b898-a8563f531188/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 [2020-12-09 06:23:00,959 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-09 06:23:00,959 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-09 06:23:00,959 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-12-09 06:23:00,959 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-12-09 06:23:00,959 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-12-09 06:23:00,959 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-09 06:23:00,959 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-09 06:23:00,959 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-12-09 06:23:00,960 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2020-12-09 06:23:00,960 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-09 06:23:01,592 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-09 06:23:01,592 INFO L299 CfgBuilder]: Removed 46 assume(true) statements. [2020-12-09 06:23:01,594 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 06:23:01 BoogieIcfgContainer [2020-12-09 06:23:01,595 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-09 06:23:01,596 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-09 06:23:01,596 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-09 06:23:01,599 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-09 06:23:01,599 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 06:23:00" (1/3) ... [2020-12-09 06:23:01,600 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7195adc9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 06:23:01, skipping insertion in model container [2020-12-09 06:23:01,600 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:23:00" (2/3) ... [2020-12-09 06:23:01,601 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7195adc9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 06:23:01, skipping insertion in model container [2020-12-09 06:23:01,601 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 06:23:01" (3/3) ... [2020-12-09 06:23:01,602 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_0670.c [2020-12-09 06:23:01,615 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-09 06:23:01,618 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-09 06:23:01,626 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-09 06:23:01,642 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-09 06:23:01,642 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-09 06:23:01,642 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-09 06:23:01,642 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-09 06:23:01,643 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-09 06:23:01,643 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-09 06:23:01,643 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-09 06:23:01,643 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-09 06:23:01,653 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states. [2020-12-09 06:23:01,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-12-09 06:23:01,656 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 06:23:01,657 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 06:23:01,657 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 06:23:01,661 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 06:23:01,661 INFO L82 PathProgramCache]: Analyzing trace with hash -1358853791, now seen corresponding path program 1 times [2020-12-09 06:23:01,667 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 06:23:01,668 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [424727866] [2020-12-09 06:23:01,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 06:23:01,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 06:23:01,829 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 06:23:01,829 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [424727866] [2020-12-09 06:23:01,830 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 06:23:01,830 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-09 06:23:01,831 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2033895293] [2020-12-09 06:23:01,834 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-09 06:23:01,835 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 06:23:01,846 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-09 06:23:01,847 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-09 06:23:01,849 INFO L87 Difference]: Start difference. First operand 78 states. Second operand 2 states. [2020-12-09 06:23:01,869 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 06:23:01,870 INFO L93 Difference]: Finished difference Result 154 states and 263 transitions. [2020-12-09 06:23:01,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-09 06:23:01,871 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2020-12-09 06:23:01,871 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 06:23:01,878 INFO L225 Difference]: With dead ends: 154 [2020-12-09 06:23:01,878 INFO L226 Difference]: Without dead ends: 75 [2020-12-09 06:23:01,880 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 [2020-12-09 06:23:01,891 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2020-12-09 06:23:01,905 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 75. [2020-12-09 06:23:01,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 75 states. [2020-12-09 06:23:01,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 104 transitions. [2020-12-09 06:23:01,908 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 104 transitions. Word has length 10 [2020-12-09 06:23:01,909 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 06:23:01,909 INFO L481 AbstractCegarLoop]: Abstraction has 75 states and 104 transitions. [2020-12-09 06:23:01,909 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-09 06:23:01,909 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 104 transitions. [2020-12-09 06:23:01,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-12-09 06:23:01,910 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 06:23:01,910 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 06:23:01,910 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-09 06:23:01,910 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 06:23:01,911 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 06:23:01,911 INFO L82 PathProgramCache]: Analyzing trace with hash -398135830, now seen corresponding path program 1 times [2020-12-09 06:23:01,911 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 06:23:01,912 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1124906457] [2020-12-09 06:23:01,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 06:23:01,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-09 06:23:01,984 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-09 06:23:02,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-09 06:23:02,038 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-09 06:23:02,059 INFO L173 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2020-12-09 06:23:02,059 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-12-09 06:23:02,060 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-09 06:23:02,086 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 06:23:02 BoogieIcfgContainer [2020-12-09 06:23:02,086 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-09 06:23:02,087 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-09 06:23:02,087 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-09 06:23:02,087 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-09 06:23:02,087 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 06:23:01" (3/4) ... [2020-12-09 06:23:02,089 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-12-09 06:23:02,090 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-09 06:23:02,091 INFO L168 Benchmark]: Toolchain (without parser) took 1557.60 ms. Allocated memory was 81.8 MB in the beginning and 140.5 MB in the end (delta: 58.7 MB). Free memory was 61.0 MB in the beginning and 86.6 MB in the end (delta: -25.6 MB). Peak memory consumption was 33.1 MB. Max. memory is 16.1 GB. [2020-12-09 06:23:02,092 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 81.8 MB. Free memory is still 54.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-09 06:23:02,092 INFO L168 Benchmark]: CACSL2BoogieTranslator took 264.62 ms. Allocated memory is still 81.8 MB. Free memory was 60.7 MB in the beginning and 46.9 MB in the end (delta: 13.9 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-12-09 06:23:02,093 INFO L168 Benchmark]: Boogie Procedure Inliner took 53.15 ms. Allocated memory is still 81.8 MB. Free memory was 46.9 MB in the beginning and 43.5 MB in the end (delta: 3.4 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-12-09 06:23:02,093 INFO L168 Benchmark]: Boogie Preprocessor took 48.41 ms. Allocated memory is still 81.8 MB. Free memory was 43.5 MB in the beginning and 40.4 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-09 06:23:02,094 INFO L168 Benchmark]: RCFGBuilder took 692.87 ms. Allocated memory was 81.8 MB in the beginning and 140.5 MB in the end (delta: 58.7 MB). Free memory was 40.4 MB in the beginning and 47.3 MB in the end (delta: -6.9 MB). Peak memory consumption was 51.7 MB. Max. memory is 16.1 GB. [2020-12-09 06:23:02,094 INFO L168 Benchmark]: TraceAbstraction took 490.20 ms. Allocated memory is still 140.5 MB. Free memory was 47.0 MB in the beginning and 86.6 MB in the end (delta: -39.6 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-09 06:23:02,095 INFO L168 Benchmark]: Witness Printer took 2.96 ms. Allocated memory is still 140.5 MB. Free memory is still 86.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-09 06:23:02,097 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 81.8 MB. Free memory is still 54.0 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 264.62 ms. Allocated memory is still 81.8 MB. Free memory was 60.7 MB in the beginning and 46.9 MB in the end (delta: 13.9 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 53.15 ms. Allocated memory is still 81.8 MB. Free memory was 46.9 MB in the beginning and 43.5 MB in the end (delta: 3.4 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 48.41 ms. Allocated memory is still 81.8 MB. Free memory was 43.5 MB in the beginning and 40.4 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 692.87 ms. Allocated memory was 81.8 MB in the beginning and 140.5 MB in the end (delta: 58.7 MB). Free memory was 40.4 MB in the beginning and 47.3 MB in the end (delta: -6.9 MB). Peak memory consumption was 51.7 MB. Max. memory is 16.1 GB. * TraceAbstraction took 490.20 ms. Allocated memory is still 140.5 MB. Free memory was 47.0 MB in the beginning and 86.6 MB in the end (delta: -39.6 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 2.96 ms. Allocated memory is still 140.5 MB. Free memory is still 86.6 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 236]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 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) [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) [L236] 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: 0.4s, 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, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 22 NumberOfCodeBlocks, 22 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 81 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-7b2dab5 [2020-12-09 06:23:03,644 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-09 06:23:03,645 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-09 06:23:03,670 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-09 06:23:03,671 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-09 06:23:03,672 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-09 06:23:03,673 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-09 06:23:03,675 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-09 06:23:03,677 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-09 06:23:03,678 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-09 06:23:03,679 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-09 06:23:03,680 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-09 06:23:03,680 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-09 06:23:03,681 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-09 06:23:03,682 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-09 06:23:03,683 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-09 06:23:03,684 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-09 06:23:03,684 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-09 06:23:03,686 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-09 06:23:03,688 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-09 06:23:03,690 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-09 06:23:03,691 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-09 06:23:03,692 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-09 06:23:03,693 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-09 06:23:03,696 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-09 06:23:03,696 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-09 06:23:03,696 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-09 06:23:03,697 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-09 06:23:03,697 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-09 06:23:03,698 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-09 06:23:03,699 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-09 06:23:03,699 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-09 06:23:03,700 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-09 06:23:03,701 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-09 06:23:03,701 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-09 06:23:03,702 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-09 06:23:03,702 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-09 06:23:03,703 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-09 06:23:03,703 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-09 06:23:03,703 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-09 06:23:03,704 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-09 06:23:03,705 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_97308efb-786a-4bef-b898-a8563f531188/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2020-12-09 06:23:03,723 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-09 06:23:03,724 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-09 06:23:03,724 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-09 06:23:03,724 INFO L138 SettingsManager]: * User list type=DISABLED [2020-12-09 06:23:03,725 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-12-09 06:23:03,725 INFO L138 SettingsManager]: * Explicit value domain=true [2020-12-09 06:23:03,725 INFO L138 SettingsManager]: * Octagon Domain=false [2020-12-09 06:23:03,725 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-12-09 06:23:03,725 INFO L138 SettingsManager]: * Interval Domain=false [2020-12-09 06:23:03,726 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-09 06:23:03,726 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-09 06:23:03,726 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-09 06:23:03,726 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-09 06:23:03,726 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-09 06:23:03,726 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-09 06:23:03,727 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-09 06:23:03,727 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-12-09 06:23:03,727 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-12-09 06:23:03,727 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-12-09 06:23:03,727 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-09 06:23:03,727 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-09 06:23:03,727 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-09 06:23:03,728 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-09 06:23:03,728 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-09 06:23:03,728 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-09 06:23:03,728 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-09 06:23:03,728 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-09 06:23:03,728 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-09 06:23:03,728 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-09 06:23:03,729 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-09 06:23:03,729 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-12-09 06:23:03,729 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2020-12-09 06:23:03,729 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-09 06:23:03,729 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-09 06:23:03,729 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-09 06:23:03,729 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_97308efb-786a-4bef-b898-a8563f531188/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_97308efb-786a-4bef-b898-a8563f531188/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ed4a460efb594a84f062221537c87307eeb15468 [2020-12-09 06:23:03,969 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-09 06:23:03,985 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-09 06:23:03,987 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-09 06:23:03,987 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-09 06:23:03,988 INFO L275 PluginConnector]: CDTParser initialized [2020-12-09 06:23:03,989 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_97308efb-786a-4bef-b898-a8563f531188/bin/utaipan/../../sv-benchmarks/c/float-newlib/float_req_bl_0670.c [2020-12-09 06:23:04,028 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_97308efb-786a-4bef-b898-a8563f531188/bin/utaipan/data/d3f059cca/b741d21b5dfa4bfb9eaccb51fc214b52/FLAG9c604d51f [2020-12-09 06:23:04,415 INFO L306 CDTParser]: Found 1 translation units. [2020-12-09 06:23:04,416 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_97308efb-786a-4bef-b898-a8563f531188/sv-benchmarks/c/float-newlib/float_req_bl_0670.c [2020-12-09 06:23:04,423 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_97308efb-786a-4bef-b898-a8563f531188/bin/utaipan/data/d3f059cca/b741d21b5dfa4bfb9eaccb51fc214b52/FLAG9c604d51f [2020-12-09 06:23:04,434 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_97308efb-786a-4bef-b898-a8563f531188/bin/utaipan/data/d3f059cca/b741d21b5dfa4bfb9eaccb51fc214b52 [2020-12-09 06:23:04,436 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-09 06:23:04,437 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-09 06:23:04,438 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-09 06:23:04,438 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-09 06:23:04,441 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-09 06:23:04,441 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 06:23:04" (1/1) ... [2020-12-09 06:23:04,443 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22435ca0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:23:04, skipping insertion in model container [2020-12-09 06:23:04,443 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 06:23:04" (1/1) ... [2020-12-09 06:23:04,448 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-09 06:23:04,471 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-09 06:23:04,632 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_97308efb-786a-4bef-b898-a8563f531188/sv-benchmarks/c/float-newlib/float_req_bl_0670.c[5373,5386] [2020-12-09 06:23:04,634 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 06:23:04,645 INFO L203 MainTranslator]: Completed pre-run [2020-12-09 06:23:04,702 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_97308efb-786a-4bef-b898-a8563f531188/sv-benchmarks/c/float-newlib/float_req_bl_0670.c[5373,5386] [2020-12-09 06:23:04,703 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 06:23:04,726 INFO L208 MainTranslator]: Completed translation [2020-12-09 06:23:04,727 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:23:04 WrapperNode [2020-12-09 06:23:04,727 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-09 06:23:04,728 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-09 06:23:04,728 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-09 06:23:04,728 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-09 06:23:04,735 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:23:04" (1/1) ... [2020-12-09 06:23:04,750 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:23:04" (1/1) ... [2020-12-09 06:23:04,780 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-09 06:23:04,781 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-09 06:23:04,781 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-09 06:23:04,781 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-09 06:23:04,787 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:23:04" (1/1) ... [2020-12-09 06:23:04,788 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:23:04" (1/1) ... [2020-12-09 06:23:04,794 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:23:04" (1/1) ... [2020-12-09 06:23:04,795 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:23:04" (1/1) ... [2020-12-09 06:23:04,811 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:23:04" (1/1) ... [2020-12-09 06:23:04,818 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:23:04" (1/1) ... [2020-12-09 06:23:04,822 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:23:04" (1/1) ... [2020-12-09 06:23:04,827 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-09 06:23:04,828 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-09 06:23:04,828 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-09 06:23:04,828 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-09 06:23:04,829 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:23:04" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_97308efb-786a-4bef-b898-a8563f531188/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 [2020-12-09 06:23:04,887 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2020-12-09 06:23:04,887 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-12-09 06:23:04,887 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-09 06:23:04,887 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2020-12-09 06:23:04,888 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-12-09 06:23:04,888 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-09 06:23:04,888 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-09 06:23:04,888 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2020-12-09 06:23:04,888 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-12-09 06:23:04,888 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-09 06:23:36,138 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-09 06:23:36,138 INFO L299 CfgBuilder]: Removed 46 assume(true) statements. [2020-12-09 06:23:36,140 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 06:23:36 BoogieIcfgContainer [2020-12-09 06:23:36,140 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-09 06:23:36,141 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-09 06:23:36,142 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-09 06:23:36,144 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-09 06:23:36,144 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 06:23:04" (1/3) ... [2020-12-09 06:23:36,145 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b852d7a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 06:23:36, skipping insertion in model container [2020-12-09 06:23:36,145 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:23:04" (2/3) ... [2020-12-09 06:23:36,146 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b852d7a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 06:23:36, skipping insertion in model container [2020-12-09 06:23:36,146 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 06:23:36" (3/3) ... [2020-12-09 06:23:36,147 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_0670.c [2020-12-09 06:23:36,158 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-09 06:23:36,161 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-09 06:23:36,168 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-09 06:23:36,184 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-09 06:23:36,184 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-09 06:23:36,184 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-09 06:23:36,185 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-09 06:23:36,185 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-09 06:23:36,185 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-09 06:23:36,185 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-09 06:23:36,185 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-09 06:23:36,195 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states. [2020-12-09 06:23:36,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-12-09 06:23:36,198 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 06:23:36,198 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 06:23:36,199 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 06:23:36,202 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 06:23:36,202 INFO L82 PathProgramCache]: Analyzing trace with hash 2081772354, now seen corresponding path program 1 times [2020-12-09 06:23:36,211 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 06:23:36,211 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [302347447] [2020-12-09 06:23:36,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_97308efb-786a-4bef-b898-a8563f531188/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 [2020-12-09 06:23:36,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 06:23:37,027 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 1 conjunts are in the unsatisfiable core [2020-12-09 06:23:37,030 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 06:23:37,050 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 06:23:37,050 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 06:23:37,051 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [302347447] [2020-12-09 06:23:37,051 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 06:23:37,051 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-09 06:23:37,052 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [28739170] [2020-12-09 06:23:37,054 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-09 06:23:37,054 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 06:23:37,062 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-09 06:23:37,063 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-09 06:23:37,064 INFO L87 Difference]: Start difference. First operand 115 states. Second operand 2 states. [2020-12-09 06:23:37,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 06:23:37,083 INFO L93 Difference]: Finished difference Result 224 states and 372 transitions. [2020-12-09 06:23:37,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-09 06:23:37,084 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 14 [2020-12-09 06:23:37,084 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 06:23:37,091 INFO L225 Difference]: With dead ends: 224 [2020-12-09 06:23:37,091 INFO L226 Difference]: Without dead ends: 111 [2020-12-09 06:23:37,094 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-09 06:23:37,105 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2020-12-09 06:23:37,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 111. [2020-12-09 06:23:37,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 111 states. [2020-12-09 06:23:37,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 160 transitions. [2020-12-09 06:23:37,122 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 160 transitions. Word has length 14 [2020-12-09 06:23:37,122 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 06:23:37,122 INFO L481 AbstractCegarLoop]: Abstraction has 111 states and 160 transitions. [2020-12-09 06:23:37,122 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-09 06:23:37,122 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 160 transitions. [2020-12-09 06:23:37,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-12-09 06:23:37,123 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 06:23:37,123 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 06:23:37,324 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-12-09 06:23:37,325 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 06:23:37,327 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 06:23:37,327 INFO L82 PathProgramCache]: Analyzing trace with hash 1906427737, now seen corresponding path program 1 times [2020-12-09 06:23:37,329 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 06:23:37,330 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1799332256] [2020-12-09 06:23:37,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_97308efb-786a-4bef-b898-a8563f531188/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 [2020-12-09 06:23:38,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 06:23:38,223 INFO L263 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 16 conjunts are in the unsatisfiable core [2020-12-09 06:23:38,224 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 06:23:38,406 WARN L197 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2020-12-09 06:23:38,421 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 2, 1] term [2020-12-09 06:23:38,421 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 06:23:38,606 WARN L197 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 12 [2020-12-09 06:23:39,066 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 06:23:39,379 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 06:23:39,379 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 06:23:39,379 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1799332256] [2020-12-09 06:23:39,379 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 06:23:39,380 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-12-09 06:23:39,380 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1846233900] [2020-12-09 06:23:39,381 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-12-09 06:23:39,381 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 06:23:39,382 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-12-09 06:23:39,382 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2020-12-09 06:23:39,382 INFO L87 Difference]: Start difference. First operand 111 states and 160 transitions. Second operand 10 states. [2020-12-09 06:23:39,841 WARN L197 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 20 [2020-12-09 06:23:40,103 WARN L197 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 20 DAG size of output: 11 [2020-12-09 06:23:40,606 WARN L197 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 18 DAG size of output: 13 [2020-12-09 06:23:41,824 WARN L197 SmtUtils]: Spent 906.00 ms on a formula simplification. DAG size of input: 24 DAG size of output: 19 [2020-12-09 06:23:43,497 WARN L197 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 26 DAG size of output: 21 [2020-12-09 06:24:28,791 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 06:24:28,791 INFO L93 Difference]: Finished difference Result 236 states and 331 transitions. [2020-12-09 06:24:28,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-12-09 06:24:28,799 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 16 [2020-12-09 06:24:28,799 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 06:24:28,802 INFO L225 Difference]: With dead ends: 236 [2020-12-09 06:24:28,803 INFO L226 Difference]: Without dead ends: 231 [2020-12-09 06:24:28,804 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 4.1s TimeCoverageRelationStatistics Valid=69, Invalid=171, Unknown=0, NotChecked=0, Total=240 [2020-12-09 06:24:28,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 231 states. [2020-12-09 06:24:28,818 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 231 to 119. [2020-12-09 06:24:28,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 119 states. [2020-12-09 06:24:28,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 168 transitions. [2020-12-09 06:24:28,820 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 168 transitions. Word has length 16 [2020-12-09 06:24:28,820 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 06:24:28,820 INFO L481 AbstractCegarLoop]: Abstraction has 119 states and 168 transitions. [2020-12-09 06:24:28,820 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-12-09 06:24:28,821 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 168 transitions. [2020-12-09 06:24:28,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-09 06:24:28,821 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 06:24:28,821 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 06:24:29,022 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-12-09 06:24:29,024 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 06:24:29,025 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 06:24:29,026 INFO L82 PathProgramCache]: Analyzing trace with hash 2143643094, now seen corresponding path program 1 times [2020-12-09 06:24:29,028 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 06:24:29,029 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1212850979] [2020-12-09 06:24:29,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_97308efb-786a-4bef-b898-a8563f531188/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 [2020-12-09 06:24:29,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 06:24:29,835 INFO L263 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 16 conjunts are in the unsatisfiable core [2020-12-09 06:24:29,836 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 06:24:30,037 WARN L197 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2020-12-09 06:24:30,046 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 2, 1] term [2020-12-09 06:24:30,046 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 06:24:30,242 WARN L197 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 12 [2020-12-09 06:24:30,631 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 06:24:31,055 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 06:24:31,055 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 06:24:31,055 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1212850979] [2020-12-09 06:24:31,055 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 06:24:31,056 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-12-09 06:24:31,056 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [243954305] [2020-12-09 06:24:31,056 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-12-09 06:24:31,056 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 06:24:31,057 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-12-09 06:24:31,057 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2020-12-09 06:24:31,057 INFO L87 Difference]: Start difference. First operand 119 states and 168 transitions. Second operand 9 states. [2020-12-09 06:24:31,621 WARN L197 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 20 [2020-12-09 06:24:31,937 WARN L197 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 18 DAG size of output: 13 [2020-12-09 06:24:33,402 WARN L197 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 24 DAG size of output: 19 [2020-12-09 06:24:35,068 WARN L197 SmtUtils]: Spent 1.31 s on a formula simplification. DAG size of input: 26 DAG size of output: 21 [2020-12-09 06:25:34,672 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 06:25:34,673 INFO L93 Difference]: Finished difference Result 207 states and 292 transitions. [2020-12-09 06:25:34,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-12-09 06:25:34,708 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 17 [2020-12-09 06:25:34,708 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 06:25:34,710 INFO L225 Difference]: With dead ends: 207 [2020-12-09 06:25:34,710 INFO L226 Difference]: Without dead ends: 202 [2020-12-09 06:25:34,710 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 4.4s TimeCoverageRelationStatistics Valid=47, Invalid=109, Unknown=0, NotChecked=0, Total=156 [2020-12-09 06:25:34,711 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 202 states. [2020-12-09 06:25:34,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 202 to 124. [2020-12-09 06:25:34,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 124 states. [2020-12-09 06:25:34,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 175 transitions. [2020-12-09 06:25:34,720 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 175 transitions. Word has length 17 [2020-12-09 06:25:34,721 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 06:25:34,721 INFO L481 AbstractCegarLoop]: Abstraction has 124 states and 175 transitions. [2020-12-09 06:25:34,721 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-12-09 06:25:34,721 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 175 transitions. [2020-12-09 06:25:34,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-12-09 06:25:34,722 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 06:25:34,722 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] [2020-12-09 06:25:34,923 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-12-09 06:25:34,924 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 06:25:34,925 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 06:25:34,925 INFO L82 PathProgramCache]: Analyzing trace with hash 953381099, now seen corresponding path program 1 times [2020-12-09 06:25:34,927 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 06:25:34,928 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2041240088] [2020-12-09 06:25:34,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_97308efb-786a-4bef-b898-a8563f531188/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 [2020-12-09 06:25:35,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 06:25:35,856 INFO L263 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 13 conjunts are in the unsatisfiable core [2020-12-09 06:25:35,857 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 06:25:35,971 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 2, 1] term [2020-12-09 06:25:35,972 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 06:25:36,108 WARN L197 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 8 [2020-12-09 06:25:36,519 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 06:25:36,519 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 06:25:36,519 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2041240088] [2020-12-09 06:25:36,519 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 06:25:36,519 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-12-09 06:25:36,519 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1008570034] [2020-12-09 06:25:36,520 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-12-09 06:25:36,520 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 06:25:36,520 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-12-09 06:25:36,520 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2020-12-09 06:25:36,520 INFO L87 Difference]: Start difference. First operand 124 states and 175 transitions. Second operand 8 states. [2020-12-09 06:25:36,885 WARN L197 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 17 [2020-12-09 06:25:37,213 WARN L197 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 17 DAG size of output: 8 [2020-12-09 06:25:37,552 WARN L197 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 15 DAG size of output: 10 [2020-12-09 06:25:37,881 WARN L197 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 22 DAG size of output: 17 [2020-12-09 06:25:38,286 WARN L197 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 28 DAG size of output: 23 [2020-12-09 06:25:41,361 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 06:25:41,361 INFO L93 Difference]: Finished difference Result 217 states and 311 transitions. [2020-12-09 06:25:41,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-12-09 06:25:41,362 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 21 [2020-12-09 06:25:41,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 06:25:41,363 INFO L225 Difference]: With dead ends: 217 [2020-12-09 06:25:41,363 INFO L226 Difference]: Without dead ends: 111 [2020-12-09 06:25:41,364 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=44, Invalid=112, Unknown=0, NotChecked=0, Total=156 [2020-12-09 06:25:41,365 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2020-12-09 06:25:41,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 111. [2020-12-09 06:25:41,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 111 states. [2020-12-09 06:25:41,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 157 transitions. [2020-12-09 06:25:41,373 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 157 transitions. Word has length 21 [2020-12-09 06:25:41,373 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 06:25:41,373 INFO L481 AbstractCegarLoop]: Abstraction has 111 states and 157 transitions. [2020-12-09 06:25:41,374 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-12-09 06:25:41,374 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 157 transitions. [2020-12-09 06:25:41,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-12-09 06:25:41,375 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 06:25:41,375 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] [2020-12-09 06:25:41,576 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2020-12-09 06:25:41,577 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 06:25:41,577 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 06:25:41,578 INFO L82 PathProgramCache]: Analyzing trace with hash -74426226, now seen corresponding path program 1 times [2020-12-09 06:25:41,578 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 06:25:41,579 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1941533059] [2020-12-09 06:25:41,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_97308efb-786a-4bef-b898-a8563f531188/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 [2020-12-09 06:25:42,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 06:25:42,460 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 13 conjunts are in the unsatisfiable core [2020-12-09 06:25:42,464 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 06:25:42,596 WARN L197 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 11 [2020-12-09 06:25:42,605 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 2, 1] term [2020-12-09 06:25:42,605 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 06:25:42,753 WARN L197 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 8 [2020-12-09 06:25:43,028 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 06:25:43,028 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 06:25:43,029 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1941533059] [2020-12-09 06:25:43,029 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 06:25:43,029 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-12-09 06:25:43,029 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [990355761] [2020-12-09 06:25:43,029 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-12-09 06:25:43,029 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 06:25:43,030 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-12-09 06:25:43,030 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-12-09 06:25:43,030 INFO L87 Difference]: Start difference. First operand 111 states and 157 transitions. Second operand 7 states. [2020-12-09 06:25:43,400 WARN L197 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 17 [2020-12-09 06:25:43,697 WARN L197 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2020-12-09 06:25:43,935 WARN L197 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 22 [2020-12-09 06:25:44,188 WARN L197 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 28 [2020-12-09 06:25:44,191 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 06:25:44,191 INFO L93 Difference]: Finished difference Result 111 states and 157 transitions. [2020-12-09 06:25:44,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-12-09 06:25:44,192 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 22 [2020-12-09 06:25:44,192 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 06:25:44,192 INFO L225 Difference]: With dead ends: 111 [2020-12-09 06:25:44,192 INFO L226 Difference]: Without dead ends: 0 [2020-12-09 06:25:44,193 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2020-12-09 06:25:44,193 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-09 06:25:44,193 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-09 06:25:44,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-09 06:25:44,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-09 06:25:44,194 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 22 [2020-12-09 06:25:44,194 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 06:25:44,194 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-09 06:25:44,194 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-12-09 06:25:44,194 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-09 06:25:44,194 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-09 06:25:44,395 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2020-12-09 06:25:44,400 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-12-09 06:25:44,607 WARN L197 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2020-12-09 06:25:45,939 WARN L197 SmtUtils]: Spent 1.32 s on a formula simplification that was a NOOP. DAG size: 28 [2020-12-09 06:25:46,194 WARN L197 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 21 [2020-12-09 06:25:47,787 WARN L197 SmtUtils]: Spent 1.57 s on a formula simplification that was a NOOP. DAG size: 28 [2020-12-09 06:25:48,069 WARN L197 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 34 [2020-12-09 06:25:48,376 WARN L197 SmtUtils]: Spent 305.00 ms on a formula simplification that was a NOOP. DAG size: 23 [2020-12-09 06:25:48,379 INFO L262 CegarLoopResult]: For program point L201-1(lines 201 205) no Hoare annotation was computed. [2020-12-09 06:25:48,379 INFO L258 CegarLoopResult]: At program point L201-2(lines 201 205) the Hoare annotation is: false [2020-12-09 06:25:48,379 INFO L262 CegarLoopResult]: For program point L69(lines 69 72) no Hoare annotation was computed. [2020-12-09 06:25:48,379 INFO L262 CegarLoopResult]: For program point L69-1(lines 69 72) no Hoare annotation was computed. [2020-12-09 06:25:48,379 INFO L262 CegarLoopResult]: For program point L235(lines 235 238) no Hoare annotation was computed. [2020-12-09 06:25:48,380 INFO L262 CegarLoopResult]: For program point L169(line 169) no Hoare annotation was computed. [2020-12-09 06:25:48,380 INFO L262 CegarLoopResult]: For program point L236(line 236) no Hoare annotation was computed. [2020-12-09 06:25:48,380 INFO L262 CegarLoopResult]: For program point L139(lines 139 140) no Hoare annotation was computed. [2020-12-09 06:25:48,380 INFO L262 CegarLoopResult]: For program point L206(lines 206 210) no Hoare annotation was computed. [2020-12-09 06:25:48,380 INFO L262 CegarLoopResult]: For program point L173(lines 173 182) no Hoare annotation was computed. [2020-12-09 06:25:48,380 INFO L262 CegarLoopResult]: For program point L206-1(lines 199 211) no Hoare annotation was computed. [2020-12-09 06:25:48,380 INFO L262 CegarLoopResult]: For program point L206-2(lines 206 210) no Hoare annotation was computed. [2020-12-09 06:25:48,380 INFO L262 CegarLoopResult]: For program point L74(lines 74 99) no Hoare annotation was computed. [2020-12-09 06:25:48,380 INFO L262 CegarLoopResult]: For program point L74-2(lines 74 99) no Hoare annotation was computed. [2020-12-09 06:25:48,380 INFO L262 CegarLoopResult]: For program point L174(line 174) no Hoare annotation was computed. [2020-12-09 06:25:48,381 INFO L262 CegarLoopResult]: For program point L141(lines 141 142) no Hoare annotation was computed. [2020-12-09 06:25:48,381 INFO L262 CegarLoopResult]: For program point L75(lines 75 78) no Hoare annotation was computed. [2020-12-09 06:25:48,381 INFO L262 CegarLoopResult]: For program point L75-2(lines 75 78) no Hoare annotation was computed. [2020-12-09 06:25:48,381 INFO L262 CegarLoopResult]: For program point L75-3(lines 75 78) no Hoare annotation was computed. [2020-12-09 06:25:48,381 INFO L262 CegarLoopResult]: For program point L75-5(lines 75 78) no Hoare annotation was computed. [2020-12-09 06:25:48,381 INFO L265 CegarLoopResult]: At program point L241(lines 220 242) the Hoare annotation is: true [2020-12-09 06:25:48,381 INFO L262 CegarLoopResult]: For program point L76(lines 76 77) no Hoare annotation was computed. [2020-12-09 06:25:48,381 INFO L262 CegarLoopResult]: For program point L76-1(lines 76 77) no Hoare annotation was computed. [2020-12-09 06:25:48,381 INFO L262 CegarLoopResult]: For program point L176(line 176) no Hoare annotation was computed. [2020-12-09 06:25:48,381 INFO L262 CegarLoopResult]: For program point L178(line 178) no Hoare annotation was computed. [2020-12-09 06:25:48,381 INFO L262 CegarLoopResult]: For program point L145(lines 145 155) no Hoare annotation was computed. [2020-12-09 06:25:48,381 INFO L262 CegarLoopResult]: For program point L112(lines 112 117) no Hoare annotation was computed. [2020-12-09 06:25:48,382 INFO L262 CegarLoopResult]: For program point L145-2(lines 123 218) no Hoare annotation was computed. [2020-12-09 06:25:48,382 INFO L262 CegarLoopResult]: For program point L112-1(lines 112 117) no Hoare annotation was computed. [2020-12-09 06:25:48,382 INFO L262 CegarLoopResult]: For program point L146(lines 146 154) no Hoare annotation was computed. [2020-12-09 06:25:48,382 INFO L262 CegarLoopResult]: For program point L213(line 213) no Hoare annotation was computed. [2020-12-09 06:25:48,382 INFO L262 CegarLoopResult]: For program point L180(line 180) no Hoare annotation was computed. [2020-12-09 06:25:48,382 INFO L262 CegarLoopResult]: For program point L147(line 147) no Hoare annotation was computed. [2020-12-09 06:25:48,382 INFO L262 CegarLoopResult]: For program point L147-2(line 147) no Hoare annotation was computed. [2020-12-09 06:25:48,382 INFO L258 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)) [2020-12-09 06:25:48,383 INFO L258 CegarLoopResult]: At program point L15-1(line 15) the Hoare annotation is: (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 |ULTIMATE.start_main_#t~short46| (not .cse1)) (and .cse1 (not |ULTIMATE.start_main_#t~short46|))))) [2020-12-09 06:25:48,383 INFO L258 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 (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_~y ULTIMATE.start___ieee754_atan2f_~y)))) .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))))) [2020-12-09 06:25:48,383 INFO L262 CegarLoopResult]: For program point L148(line 148) no Hoare annotation was computed. [2020-12-09 06:25:48,383 INFO L262 CegarLoopResult]: For program point L82(lines 82 98) no Hoare annotation was computed. [2020-12-09 06:25:48,383 INFO L262 CegarLoopResult]: For program point L82-1(lines 82 98) no Hoare annotation was computed. [2020-12-09 06:25:48,383 INFO L262 CegarLoopResult]: For program point L215(line 215) no Hoare annotation was computed. [2020-12-09 06:25:48,383 INFO L262 CegarLoopResult]: For program point L116(line 116) no Hoare annotation was computed. [2020-12-09 06:25:48,383 INFO L262 CegarLoopResult]: For program point L83(lines 83 89) no Hoare annotation was computed. [2020-12-09 06:25:48,383 INFO L262 CegarLoopResult]: For program point L116-2(line 116) no Hoare annotation was computed. [2020-12-09 06:25:48,383 INFO L258 CegarLoopResult]: At program point L116-3(lines 56 118) the Hoare annotation is: false [2020-12-09 06:25:48,384 INFO L262 CegarLoopResult]: For program point L83-3(lines 83 89) no Hoare annotation was computed. [2020-12-09 06:25:48,384 INFO L262 CegarLoopResult]: For program point L116-4(line 116) no Hoare annotation was computed. [2020-12-09 06:25:48,384 INFO L262 CegarLoopResult]: For program point L116-6(line 116) no Hoare annotation was computed. [2020-12-09 06:25:48,384 INFO L258 CegarLoopResult]: At program point L116-7(lines 56 118) the Hoare annotation is: false [2020-12-09 06:25:48,384 INFO L262 CegarLoopResult]: For program point L150(line 150) no Hoare annotation was computed. [2020-12-09 06:25:48,384 INFO L262 CegarLoopResult]: For program point L19-1(lines 19 23) no Hoare annotation was computed. [2020-12-09 06:25:48,384 INFO L258 CegarLoopResult]: At program point L19-2(lines 19 23) the Hoare annotation is: false [2020-12-09 06:25:48,384 INFO L262 CegarLoopResult]: For program point L19-5(lines 19 23) no Hoare annotation was computed. [2020-12-09 06:25:48,384 INFO L258 CegarLoopResult]: At program point L19-6(lines 19 23) the Hoare annotation is: false [2020-12-09 06:25:48,384 INFO L262 CegarLoopResult]: For program point L19-9(lines 19 23) no Hoare annotation was computed. [2020-12-09 06:25:48,384 INFO L258 CegarLoopResult]: At program point L19-10(lines 19 23) the Hoare annotation is: false [2020-12-09 06:25:48,384 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-12-09 06:25:48,384 INFO L262 CegarLoopResult]: For program point L152(line 152) no Hoare annotation was computed. [2020-12-09 06:25:48,385 INFO L262 CegarLoopResult]: For program point L187(line 187) no Hoare annotation was computed. [2020-12-09 06:25:48,385 INFO L262 CegarLoopResult]: For program point L187-2(line 187) no Hoare annotation was computed. [2020-12-09 06:25:48,385 INFO L258 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 (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_~y ULTIMATE.start___ieee754_atan2f_~y)))) .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))))) [2020-12-09 06:25:48,385 INFO L262 CegarLoopResult]: For program point L24(lines 24 28) no Hoare annotation was computed. [2020-12-09 06:25:48,385 INFO L262 CegarLoopResult]: For program point L24-1(lines 17 30) no Hoare annotation was computed. [2020-12-09 06:25:48,385 INFO L262 CegarLoopResult]: For program point L24-2(lines 24 28) no Hoare annotation was computed. [2020-12-09 06:25:48,385 INFO L262 CegarLoopResult]: For program point L24-3(lines 24 28) no Hoare annotation was computed. [2020-12-09 06:25:48,385 INFO L262 CegarLoopResult]: For program point L24-4(lines 17 30) no Hoare annotation was computed. [2020-12-09 06:25:48,385 INFO L262 CegarLoopResult]: For program point L24-5(lines 24 28) no Hoare annotation was computed. [2020-12-09 06:25:48,385 INFO L262 CegarLoopResult]: For program point L24-6(lines 24 28) no Hoare annotation was computed. [2020-12-09 06:25:48,385 INFO L262 CegarLoopResult]: For program point L24-7(lines 17 30) no Hoare annotation was computed. [2020-12-09 06:25:48,386 INFO L262 CegarLoopResult]: For program point L24-8(lines 24 28) no Hoare annotation was computed. [2020-12-09 06:25:48,386 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-12-09 06:25:48,386 INFO L262 CegarLoopResult]: For program point L190(lines 190 195) no Hoare annotation was computed. [2020-12-09 06:25:48,386 INFO L262 CegarLoopResult]: For program point L91(lines 91 97) no Hoare annotation was computed. [2020-12-09 06:25:48,386 INFO L262 CegarLoopResult]: For program point L91-2(lines 74 99) no Hoare annotation was computed. [2020-12-09 06:25:48,386 INFO L262 CegarLoopResult]: For program point L91-3(lines 91 97) no Hoare annotation was computed. [2020-12-09 06:25:48,386 INFO L262 CegarLoopResult]: For program point L91-5(lines 74 99) no Hoare annotation was computed. [2020-12-09 06:25:48,386 INFO L262 CegarLoopResult]: For program point L158(line 158) no Hoare annotation was computed. [2020-12-09 06:25:48,386 INFO L262 CegarLoopResult]: For program point L158-2(line 158) no Hoare annotation was computed. [2020-12-09 06:25:48,389 INFO L262 CegarLoopResult]: For program point L192(lines 192 195) no Hoare annotation was computed. [2020-12-09 06:25:48,389 INFO L262 CegarLoopResult]: For program point L192-2(lines 190 195) no Hoare annotation was computed. [2020-12-09 06:25:48,389 INFO L262 CegarLoopResult]: For program point L60-1(lines 60 64) no Hoare annotation was computed. [2020-12-09 06:25:48,389 INFO L258 CegarLoopResult]: At program point L60-2(lines 60 64) the Hoare annotation is: false [2020-12-09 06:25:48,389 INFO L262 CegarLoopResult]: For program point L60-3(lines 60 64) no Hoare annotation was computed. [2020-12-09 06:25:48,389 INFO L262 CegarLoopResult]: For program point L60-5(lines 60 64) no Hoare annotation was computed. [2020-12-09 06:25:48,389 INFO L258 CegarLoopResult]: At program point L60-6(lines 60 64) the Hoare annotation is: false [2020-12-09 06:25:48,389 INFO L262 CegarLoopResult]: For program point L60-7(lines 60 64) no Hoare annotation was computed. [2020-12-09 06:25:48,389 INFO L262 CegarLoopResult]: For program point L160(lines 160 184) no Hoare annotation was computed. [2020-12-09 06:25:48,389 INFO L262 CegarLoopResult]: For program point L160-1(lines 123 218) no Hoare annotation was computed. [2020-12-09 06:25:48,389 INFO L262 CegarLoopResult]: For program point L127-1(lines 127 131) no Hoare annotation was computed. [2020-12-09 06:25:48,390 INFO L258 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))))) [2020-12-09 06:25:48,390 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-12-09 06:25:48,390 INFO L262 CegarLoopResult]: For program point L127-3(lines 127 131) no Hoare annotation was computed. [2020-12-09 06:25:48,390 INFO L262 CegarLoopResult]: For program point L161(lines 161 183) no Hoare annotation was computed. [2020-12-09 06:25:48,390 INFO L258 CegarLoopResult]: At program point L29(lines 17 30) the Hoare annotation is: false [2020-12-09 06:25:48,390 INFO L258 CegarLoopResult]: At program point L29-1(lines 17 30) the Hoare annotation is: false [2020-12-09 06:25:48,390 INFO L258 CegarLoopResult]: At program point L29-2(lines 17 30) the Hoare annotation is: false [2020-12-09 06:25:48,390 INFO L262 CegarLoopResult]: For program point L162(lines 162 171) no Hoare annotation was computed. [2020-12-09 06:25:48,390 INFO L262 CegarLoopResult]: For program point L229(line 229) no Hoare annotation was computed. [2020-12-09 06:25:48,390 INFO L262 CegarLoopResult]: For program point L196(lines 196 217) no Hoare annotation was computed. [2020-12-09 06:25:48,390 INFO L262 CegarLoopResult]: For program point L229-2(lines 229 239) no Hoare annotation was computed. [2020-12-09 06:25:48,390 INFO L262 CegarLoopResult]: For program point L163(line 163) no Hoare annotation was computed. [2020-12-09 06:25:48,390 INFO L262 CegarLoopResult]: For program point L229-4(lines 229 239) no Hoare annotation was computed. [2020-12-09 06:25:48,391 INFO L262 CegarLoopResult]: For program point L197(line 197) no Hoare annotation was computed. [2020-12-09 06:25:48,391 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-12-09 06:25:48,391 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 236) no Hoare annotation was computed. [2020-12-09 06:25:48,391 INFO L262 CegarLoopResult]: For program point L165(line 165) no Hoare annotation was computed. [2020-12-09 06:25:48,391 INFO L262 CegarLoopResult]: For program point L66(lines 66 73) no Hoare annotation was computed. [2020-12-09 06:25:48,391 INFO L262 CegarLoopResult]: For program point L66-1(lines 66 73) no Hoare annotation was computed. [2020-12-09 06:25:48,391 INFO L262 CegarLoopResult]: For program point L199(line 199) no Hoare annotation was computed. [2020-12-09 06:25:48,391 INFO L262 CegarLoopResult]: For program point L133-1(lines 133 137) no Hoare annotation was computed. [2020-12-09 06:25:48,391 INFO L258 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))))) [2020-12-09 06:25:48,391 INFO L262 CegarLoopResult]: For program point L67(lines 67 68) no Hoare annotation was computed. [2020-12-09 06:25:48,391 INFO L262 CegarLoopResult]: For program point L133-3(lines 133 137) no Hoare annotation was computed. [2020-12-09 06:25:48,391 INFO L262 CegarLoopResult]: For program point L67-1(lines 67 68) no Hoare annotation was computed. [2020-12-09 06:25:48,392 INFO L262 CegarLoopResult]: For program point L167(line 167) no Hoare annotation was computed. [2020-12-09 06:25:48,399 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 06:25:48,403 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 06:25:48,405 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 06:25:48,405 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~x,QUANTIFIED] [2020-12-09 06:25:48,405 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~y,QUANTIFIED] [2020-12-09 06:25:48,405 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~y,QUANTIFIED] [2020-12-09 06:25:48,405 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~y,QUANTIFIED] [2020-12-09 06:25:48,405 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 06:25:48,405 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 06:25:48,405 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 06:25:48,405 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~x,QUANTIFIED] [2020-12-09 06:25:48,406 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~y,QUANTIFIED] [2020-12-09 06:25:48,406 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~x,QUANTIFIED] [2020-12-09 06:25:48,406 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~x,QUANTIFIED] [2020-12-09 06:25:48,408 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 06:25:48,408 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~x,QUANTIFIED] [2020-12-09 06:25:48,408 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~y,QUANTIFIED] [2020-12-09 06:25:48,408 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~y,QUANTIFIED] [2020-12-09 06:25:48,408 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~y,QUANTIFIED] [2020-12-09 06:25:48,408 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 06:25:48,408 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 06:25:48,408 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 06:25:48,408 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~x,QUANTIFIED] [2020-12-09 06:25:48,409 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~y,QUANTIFIED] [2020-12-09 06:25:48,409 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~x,QUANTIFIED] [2020-12-09 06:25:48,409 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~x,QUANTIFIED] [2020-12-09 06:25:48,410 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 06:25:48,410 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 06:25:48,411 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 06:25:48,411 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 06:25:48,411 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 06:25:48,412 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~x,QUANTIFIED] [2020-12-09 06:25:48,412 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~y,QUANTIFIED] [2020-12-09 06:25:48,412 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~y,QUANTIFIED] [2020-12-09 06:25:48,412 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~y,QUANTIFIED] [2020-12-09 06:25:48,412 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 06:25:48,412 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 06:25:48,412 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 06:25:48,412 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~x,QUANTIFIED] [2020-12-09 06:25:48,412 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~y,QUANTIFIED] [2020-12-09 06:25:48,412 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~x,QUANTIFIED] [2020-12-09 06:25:48,413 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~x,QUANTIFIED] [2020-12-09 06:25:48,413 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 06:25:48,413 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~x,QUANTIFIED] [2020-12-09 06:25:48,413 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~y,QUANTIFIED] [2020-12-09 06:25:48,413 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~y,QUANTIFIED] [2020-12-09 06:25:48,413 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~y,QUANTIFIED] [2020-12-09 06:25:48,414 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 06:25:48,414 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 06:25:48,414 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 06:25:48,414 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~x,QUANTIFIED] [2020-12-09 06:25:48,414 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~y,QUANTIFIED] [2020-12-09 06:25:48,414 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~x,QUANTIFIED] [2020-12-09 06:25:48,414 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~x,QUANTIFIED] [2020-12-09 06:25:48,415 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 06:25:48,415 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 06:25:48,415 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-12-09 06:25:48,416 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-12-09 06:25:48,416 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-12-09 06:25:48,416 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-12-09 06:25:48,416 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-12-09 06:25:48,416 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-12-09 06:25:48,416 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-12-09 06:25:48,417 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 06:25:48,417 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 06:25:48,417 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-12-09 06:25:48,417 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-12-09 06:25:48,417 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-12-09 06:25:48,417 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-12-09 06:25:48,417 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-12-09 06:25:48,417 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-12-09 06:25:48,417 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-12-09 06:25:48,419 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 06:25:48,419 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 06:25:48,420 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 06:25:48 BoogieIcfgContainer [2020-12-09 06:25:48,421 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-09 06:25:48,421 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-09 06:25:48,421 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-09 06:25:48,421 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-09 06:25:48,422 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 06:23:36" (3/4) ... [2020-12-09 06:25:48,424 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-09 06:25:48,438 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 23 nodes and edges [2020-12-09 06:25:48,438 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2020-12-09 06:25:48,439 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-09 06:25:48,439 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-09 06:25:48,456 WARN L220 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 [2020-12-09 06:25:48,456 WARN L220 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) && ((aux-isnan_float(x) || isnan_float(y)-aux && !~fp.eq~FLOAT(x, x)) || (~fp.eq~FLOAT(x, x) && !aux-isnan_float(x) || isnan_float(y)-aux)) [2020-12-09 06:25:48,457 WARN L220 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)) [2020-12-09 06:25:48,457 WARN L220 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)) [2020-12-09 06:25:48,457 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((\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_~y, ULTIMATE.start___ieee754_atan2f_~y)) && 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)) [2020-12-09 06:25:48,457 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((\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_~y, ULTIMATE.start___ieee754_atan2f_~y)) && 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)) [2020-12-09 06:25:48,491 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_97308efb-786a-4bef-b898-a8563f531188/bin/utaipan/witness.graphml [2020-12-09 06:25:48,491 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-09 06:25:48,492 INFO L168 Benchmark]: Toolchain (without parser) took 164054.52 ms. Allocated memory was 58.7 MB in the beginning and 71.3 MB in the end (delta: 12.6 MB). Free memory was 37.9 MB in the beginning and 35.3 MB in the end (delta: 2.6 MB). Peak memory consumption was 15.0 MB. Max. memory is 16.1 GB. [2020-12-09 06:25:48,492 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 58.7 MB. Free memory was 40.5 MB in the beginning and 40.4 MB in the end (delta: 73.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-09 06:25:48,492 INFO L168 Benchmark]: CACSL2BoogieTranslator took 289.22 ms. Allocated memory was 58.7 MB in the beginning and 71.3 MB in the end (delta: 12.6 MB). Free memory was 37.6 MB in the beginning and 51.1 MB in the end (delta: -13.5 MB). Peak memory consumption was 9.2 MB. Max. memory is 16.1 GB. [2020-12-09 06:25:48,492 INFO L168 Benchmark]: Boogie Procedure Inliner took 52.60 ms. Allocated memory is still 71.3 MB. Free memory was 51.1 MB in the beginning and 47.5 MB in the end (delta: 3.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-09 06:25:48,493 INFO L168 Benchmark]: Boogie Preprocessor took 46.47 ms. Allocated memory is still 71.3 MB. Free memory was 47.5 MB in the beginning and 44.1 MB in the end (delta: 3.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-12-09 06:25:48,493 INFO L168 Benchmark]: RCFGBuilder took 31311.80 ms. Allocated memory is still 71.3 MB. Free memory was 44.1 MB in the beginning and 41.4 MB in the end (delta: 2.7 MB). Peak memory consumption was 16.5 MB. Max. memory is 16.1 GB. [2020-12-09 06:25:48,493 INFO L168 Benchmark]: TraceAbstraction took 132279.12 ms. Allocated memory is still 71.3 MB. Free memory was 41.0 MB in the beginning and 43.1 MB in the end (delta: -2.1 MB). Peak memory consumption was 22.3 MB. Max. memory is 16.1 GB. [2020-12-09 06:25:48,493 INFO L168 Benchmark]: Witness Printer took 69.83 ms. Allocated memory is still 71.3 MB. Free memory was 43.1 MB in the beginning and 35.3 MB in the end (delta: 7.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-12-09 06:25:48,495 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 58.7 MB. Free memory was 40.5 MB in the beginning and 40.4 MB in the end (delta: 73.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 289.22 ms. Allocated memory was 58.7 MB in the beginning and 71.3 MB in the end (delta: 12.6 MB). Free memory was 37.6 MB in the beginning and 51.1 MB in the end (delta: -13.5 MB). Peak memory consumption was 9.2 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 52.60 ms. Allocated memory is still 71.3 MB. Free memory was 51.1 MB in the beginning and 47.5 MB in the end (delta: 3.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 46.47 ms. Allocated memory is still 71.3 MB. Free memory was 47.5 MB in the beginning and 44.1 MB in the end (delta: 3.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 31311.80 ms. Allocated memory is still 71.3 MB. Free memory was 44.1 MB in the beginning and 41.4 MB in the end (delta: 2.7 MB). Peak memory consumption was 16.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 132279.12 ms. Allocated memory is still 71.3 MB. Free memory was 41.0 MB in the beginning and 43.1 MB in the end (delta: -2.1 MB). Peak memory consumption was 22.3 MB. Max. memory is 16.1 GB. * Witness Printer took 69.83 ms. Allocated memory is still 71.3 MB. Free memory was 43.1 MB in the beginning and 35.3 MB in the end (delta: 7.8 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 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_~y,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~y,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 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_~y,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~y,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 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_~y,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~y,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 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_~y,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~y,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 Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 236]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 15]: Loop Invariant [2020-12-09 06:25:48,499 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 06:25:48,499 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven 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 [2020-12-09 06:25:48,500 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 06:25:48,500 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~x,QUANTIFIED] [2020-12-09 06:25:48,500 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~y,QUANTIFIED] [2020-12-09 06:25:48,500 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~y,QUANTIFIED] [2020-12-09 06:25:48,500 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~y,QUANTIFIED] [2020-12-09 06:25:48,500 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 06:25:48,500 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 06:25:48,500 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 06:25:48,500 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~x,QUANTIFIED] [2020-12-09 06:25:48,500 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~y,QUANTIFIED] [2020-12-09 06:25:48,501 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~x,QUANTIFIED] [2020-12-09 06:25:48,501 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~x,QUANTIFIED] [2020-12-09 06:25:48,501 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 06:25:48,501 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~x,QUANTIFIED] [2020-12-09 06:25:48,501 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~y,QUANTIFIED] [2020-12-09 06:25:48,501 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~y,QUANTIFIED] [2020-12-09 06:25:48,501 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~y,QUANTIFIED] [2020-12-09 06:25:48,501 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 06:25:48,501 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 06:25:48,501 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 06:25:48,502 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~x,QUANTIFIED] [2020-12-09 06:25:48,502 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~y,QUANTIFIED] [2020-12-09 06:25:48,502 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~x,QUANTIFIED] [2020-12-09 06:25:48,502 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~x,QUANTIFIED] Derived loop invariant: (((((\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_~y, ULTIMATE.start___ieee754_atan2f_~y)) && 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 [2020-12-09 06:25:48,502 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 06:25:48,502 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 06:25:48,503 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 06:25:48,503 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven 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 [2020-12-09 06:25:48,503 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 06:25:48,503 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~x,QUANTIFIED] [2020-12-09 06:25:48,503 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~y,QUANTIFIED] [2020-12-09 06:25:48,503 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~y,QUANTIFIED] [2020-12-09 06:25:48,503 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~y,QUANTIFIED] [2020-12-09 06:25:48,503 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 06:25:48,503 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 06:25:48,503 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 06:25:48,503 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~x,QUANTIFIED] [2020-12-09 06:25:48,504 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~y,QUANTIFIED] [2020-12-09 06:25:48,504 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~x,QUANTIFIED] [2020-12-09 06:25:48,504 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~x,QUANTIFIED] [2020-12-09 06:25:48,504 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 06:25:48,504 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~x,QUANTIFIED] [2020-12-09 06:25:48,504 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~y,QUANTIFIED] [2020-12-09 06:25:48,504 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~y,QUANTIFIED] [2020-12-09 06:25:48,504 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~y,QUANTIFIED] [2020-12-09 06:25:48,504 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 06:25:48,504 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 06:25:48,504 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 06:25:48,505 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~x,QUANTIFIED] [2020-12-09 06:25:48,505 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~y,QUANTIFIED] [2020-12-09 06:25:48,505 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~x,QUANTIFIED] [2020-12-09 06:25:48,505 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~x,QUANTIFIED] Derived loop invariant: (((((\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_~y, ULTIMATE.start___ieee754_atan2f_~y)) && 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 [2020-12-09 06:25:48,505 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 06:25:48,505 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 06:25:48,505 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-12-09 06:25:48,505 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-12-09 06:25:48,505 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-12-09 06:25:48,505 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-12-09 06:25:48,506 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-12-09 06:25:48,506 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-12-09 06:25:48,506 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-12-09 06:25:48,506 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 06:25:48,506 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 06:25:48,506 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-12-09 06:25:48,506 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-12-09 06:25:48,506 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-12-09 06:25:48,506 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-12-09 06:25:48,506 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-12-09 06:25:48,506 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2020-12-09 06:25:48,507 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] 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 [2020-12-09 06:25:48,507 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 06:25:48,507 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: (((0bv32 == \result && ~fp.eq~FLOAT(y, y)) || (1bv32 == \result && !~fp.eq~FLOAT(y, y))) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && ((aux-isnan_float(x) || isnan_float(y)-aux && !~fp.eq~FLOAT(x, x)) || (~fp.eq~FLOAT(x, x) && !aux-isnan_float(x) || isnan_float(y)-aux)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 115 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 128.2s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 119.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 645 SDtfs, 1111 SDslu, 2660 SDs, 0 SdLazy, 710 SolverSat, 21 SolverUnsat, 42 SolverUnknown, 0 SolverNotchecked, 107.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 104 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 12.0s 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: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 190 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 18 LocationsWithAnnotation, 18 PreInvPairs, 27 NumberOfFragments, 276 HoareAnnotationTreeSize, 18 FomulaSimplifications, 32 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 18 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 3.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 3.5s SatisfiabilityAnalysisTime, 3.8s InterpolantComputationTime, 90 NumberOfCodeBlocks, 90 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 85 ConstructedInterpolants, 10 QuantifiedInterpolants, 11042 SizeOfPredicates, 50 NumberOfNonLiveVariables, 618 ConjunctsInSsa, 59 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! [MP z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process Received shutdown request...