./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_0250a.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_cb9cac06-01dc-45c7-b66b-bbaf91159755/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_cb9cac06-01dc-45c7-b66b-bbaf91159755/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_cb9cac06-01dc-45c7-b66b-bbaf91159755/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_cb9cac06-01dc-45c7-b66b-bbaf91159755/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0250a.c -s /tmp/vcloud-vcloud-master/worker/run_dir_cb9cac06-01dc-45c7-b66b-bbaf91159755/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_cb9cac06-01dc-45c7-b66b-bbaf91159755/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 4be0bc4cd46b95b0d49f59a081442b7e454af9af ................................................................................................................................................................................................................................................................................................................. 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_cb9cac06-01dc-45c7-b66b-bbaf91159755/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_cb9cac06-01dc-45c7-b66b-bbaf91159755/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_cb9cac06-01dc-45c7-b66b-bbaf91159755/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_cb9cac06-01dc-45c7-b66b-bbaf91159755/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0250a.c -s /tmp/vcloud-vcloud-master/worker/run_dir_cb9cac06-01dc-45c7-b66b-bbaf91159755/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_cb9cac06-01dc-45c7-b66b-bbaf91159755/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 4be0bc4cd46b95b0d49f59a081442b7e454af9af ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-28 07:34:19,790 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 07:34:19,793 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 07:34:19,836 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 07:34:19,837 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 07:34:19,846 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 07:34:19,849 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 07:34:19,857 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 07:34:19,859 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 07:34:19,865 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 07:34:19,866 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 07:34:19,869 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 07:34:19,869 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 07:34:19,873 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 07:34:19,875 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 07:34:19,878 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 07:34:19,879 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 07:34:19,883 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 07:34:19,887 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 07:34:19,895 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 07:34:19,897 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 07:34:19,898 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 07:34:19,901 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 07:34:19,902 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 07:34:19,911 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 07:34:19,912 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 07:34:19,912 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 07:34:19,914 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 07:34:19,915 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 07:34:19,916 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 07:34:19,917 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 07:34:19,918 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 07:34:19,920 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 07:34:19,921 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 07:34:19,923 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 07:34:19,923 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 07:34:19,924 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 07:34:19,924 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 07:34:19,925 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 07:34:19,926 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 07:34:19,928 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 07:34:19,930 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_cb9cac06-01dc-45c7-b66b-bbaf91159755/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2020-11-28 07:34:19,975 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 07:34:19,975 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 07:34:19,976 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-28 07:34:19,977 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-28 07:34:19,977 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-28 07:34:19,977 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-28 07:34:19,977 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-11-28 07:34:19,977 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-28 07:34:19,978 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-28 07:34:19,978 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-11-28 07:34:19,979 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-11-28 07:34:19,979 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-28 07:34:19,980 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-11-28 07:34:19,980 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-11-28 07:34:19,980 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-11-28 07:34:19,981 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 07:34:19,981 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 07:34:19,981 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 07:34:19,982 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 07:34:19,982 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 07:34:19,982 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 07:34:19,982 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 07:34:19,982 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 07:34:19,983 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-28 07:34:19,983 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 07:34:19,983 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 07:34:19,983 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 07:34:19,984 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 07:34:19,984 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 07:34:19,984 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 07:34:19,984 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-28 07:34:19,984 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 07:34:19,985 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 07:34:19,985 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 07:34:19,985 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 07:34:19,986 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-11-28 07:34:19,986 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 07:34:19,986 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 07:34:19,986 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 07:34:19,986 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-28 07:34:19,987 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_cb9cac06-01dc-45c7-b66b-bbaf91159755/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_cb9cac06-01dc-45c7-b66b-bbaf91159755/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4be0bc4cd46b95b0d49f59a081442b7e454af9af [2020-11-28 07:34:20,308 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 07:34:20,343 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 07:34:20,348 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 07:34:20,349 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 07:34:20,350 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 07:34:20,351 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_cb9cac06-01dc-45c7-b66b-bbaf91159755/bin/utaipan/../../sv-benchmarks/c/float-newlib/float_req_bl_0250a.c [2020-11-28 07:34:20,422 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_cb9cac06-01dc-45c7-b66b-bbaf91159755/bin/utaipan/data/fe4d8e176/53db3ab4cb10421d9702245fc3f9f304/FLAG8b4dfc748 [2020-11-28 07:34:20,845 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 07:34:20,846 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_cb9cac06-01dc-45c7-b66b-bbaf91159755/sv-benchmarks/c/float-newlib/float_req_bl_0250a.c [2020-11-28 07:34:20,855 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_cb9cac06-01dc-45c7-b66b-bbaf91159755/bin/utaipan/data/fe4d8e176/53db3ab4cb10421d9702245fc3f9f304/FLAG8b4dfc748 [2020-11-28 07:34:21,260 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_cb9cac06-01dc-45c7-b66b-bbaf91159755/bin/utaipan/data/fe4d8e176/53db3ab4cb10421d9702245fc3f9f304 [2020-11-28 07:34:21,263 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 07:34:21,264 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 07:34:21,275 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 07:34:21,275 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 07:34:21,278 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 07:34:21,279 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 07:34:21" (1/1) ... [2020-11-28 07:34:21,281 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@753d71c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:34:21, skipping insertion in model container [2020-11-28 07:34:21,281 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 07:34:21" (1/1) ... [2020-11-28 07:34:21,288 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 07:34:21,315 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 07:34:21,577 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 07:34:21,601 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 07:34:21,661 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 07:34:21,678 INFO L208 MainTranslator]: Completed translation [2020-11-28 07:34:21,678 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:34:21 WrapperNode [2020-11-28 07:34:21,678 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 07:34:21,680 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 07:34:21,680 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 07:34:21,680 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 07:34:21,688 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:34:21" (1/1) ... [2020-11-28 07:34:21,705 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:34:21" (1/1) ... [2020-11-28 07:34:21,749 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 07:34:21,750 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 07:34:21,750 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 07:34:21,750 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 07:34:21,758 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:34:21" (1/1) ... [2020-11-28 07:34:21,759 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:34:21" (1/1) ... [2020-11-28 07:34:21,764 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:34:21" (1/1) ... [2020-11-28 07:34:21,764 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:34:21" (1/1) ... [2020-11-28 07:34:21,776 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:34:21" (1/1) ... [2020-11-28 07:34:21,783 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:34:21" (1/1) ... [2020-11-28 07:34:21,786 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:34:21" (1/1) ... [2020-11-28 07:34:21,790 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 07:34:21,792 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 07:34:21,792 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 07:34:21,792 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 07:34:21,793 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:34:21" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cb9cac06-01dc-45c7-b66b-bbaf91159755/bin/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 07:34:21,864 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-28 07:34:21,864 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 07:34:21,865 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-11-28 07:34:21,865 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-28 07:34:21,865 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-11-28 07:34:21,865 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 07:34:21,865 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 07:34:21,866 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-28 07:34:21,866 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-28 07:34:22,640 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 07:34:22,641 INFO L298 CfgBuilder]: Removed 30 assume(true) statements. [2020-11-28 07:34:22,643 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 07:34:22 BoogieIcfgContainer [2020-11-28 07:34:22,643 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 07:34:22,645 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-28 07:34:22,645 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-28 07:34:22,648 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-28 07:34:22,648 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 07:34:21" (1/3) ... [2020-11-28 07:34:22,649 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23548ada and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 07:34:22, skipping insertion in model container [2020-11-28 07:34:22,649 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:34:21" (2/3) ... [2020-11-28 07:34:22,650 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23548ada and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 07:34:22, skipping insertion in model container [2020-11-28 07:34:22,650 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 07:34:22" (3/3) ... [2020-11-28 07:34:22,652 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_0250a.c [2020-11-28 07:34:22,662 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-28 07:34:22,667 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-28 07:34:22,680 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-28 07:34:22,716 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-28 07:34:22,717 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-28 07:34:22,717 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-28 07:34:22,717 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-28 07:34:22,717 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-28 07:34:22,717 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-28 07:34:22,717 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-28 07:34:22,718 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-28 07:34:22,736 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states. [2020-11-28 07:34:22,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-11-28 07:34:22,740 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 07:34:22,740 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2020-11-28 07:34:22,741 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 07:34:22,759 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 07:34:22,759 INFO L82 PathProgramCache]: Analyzing trace with hash 97023805, now seen corresponding path program 1 times [2020-11-28 07:34:22,769 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-28 07:34:22,769 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1546665053] [2020-11-28 07:34:22,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 07:34:22,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 07:34:22,910 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 07:34:22,911 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1546665053] [2020-11-28 07:34:22,912 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 07:34:22,912 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-28 07:34:22,913 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [624236677] [2020-11-28 07:34:22,917 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-28 07:34:22,917 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-11-28 07:34:22,930 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-28 07:34:22,931 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-28 07:34:22,933 INFO L87 Difference]: Start difference. First operand 42 states. Second operand 2 states. [2020-11-28 07:34:22,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 07:34:22,953 INFO L93 Difference]: Finished difference Result 83 states and 135 transitions. [2020-11-28 07:34:22,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-28 07:34:22,954 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 7 [2020-11-28 07:34:22,955 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 07:34:22,964 INFO L225 Difference]: With dead ends: 83 [2020-11-28 07:34:22,964 INFO L226 Difference]: Without dead ends: 40 [2020-11-28 07:34:22,967 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-28 07:34:22,984 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2020-11-28 07:34:22,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2020-11-28 07:34:23,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2020-11-28 07:34:23,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 51 transitions. [2020-11-28 07:34:23,003 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 51 transitions. Word has length 7 [2020-11-28 07:34:23,003 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 07:34:23,003 INFO L481 AbstractCegarLoop]: Abstraction has 40 states and 51 transitions. [2020-11-28 07:34:23,003 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-28 07:34:23,003 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 51 transitions. [2020-11-28 07:34:23,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-11-28 07:34:23,004 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 07:34:23,004 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 07:34:23,004 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-28 07:34:23,005 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 07:34:23,005 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 07:34:23,005 INFO L82 PathProgramCache]: Analyzing trace with hash 937928444, now seen corresponding path program 1 times [2020-11-28 07:34:23,005 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-28 07:34:23,006 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1280250681] [2020-11-28 07:34:23,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 07:34:23,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 07:34:23,055 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 07:34:23,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 07:34:23,087 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 07:34:23,125 INFO L173 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2020-11-28 07:34:23,125 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-11-28 07:34:23,126 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-28 07:34:23,175 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 07:34:23 BoogieIcfgContainer [2020-11-28 07:34:23,176 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-28 07:34:23,176 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 07:34:23,176 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 07:34:23,177 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 07:34:23,177 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 07:34:22" (3/4) ... [2020-11-28 07:34:23,180 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-11-28 07:34:23,180 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 07:34:23,185 INFO L168 Benchmark]: Toolchain (without parser) took 1917.98 ms. Allocated memory was 79.7 MB in the beginning and 104.9 MB in the end (delta: 25.2 MB). Free memory was 41.5 MB in the beginning and 63.1 MB in the end (delta: -21.6 MB). Peak memory consumption was 3.3 MB. Max. memory is 16.1 GB. [2020-11-28 07:34:23,185 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 79.7 MB. Free memory is still 58.4 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 07:34:23,187 INFO L168 Benchmark]: CACSL2BoogieTranslator took 404.20 ms. Allocated memory was 79.7 MB in the beginning and 104.9 MB in the end (delta: 25.2 MB). Free memory was 41.4 MB in the beginning and 76.9 MB in the end (delta: -35.5 MB). Peak memory consumption was 10.4 MB. Max. memory is 16.1 GB. [2020-11-28 07:34:23,188 INFO L168 Benchmark]: Boogie Procedure Inliner took 69.37 ms. Allocated memory is still 104.9 MB. Free memory was 76.9 MB in the beginning and 74.3 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 07:34:23,189 INFO L168 Benchmark]: Boogie Preprocessor took 41.17 ms. Allocated memory is still 104.9 MB. Free memory was 74.3 MB in the beginning and 72.8 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 07:34:23,190 INFO L168 Benchmark]: RCFGBuilder took 851.58 ms. Allocated memory is still 104.9 MB. Free memory was 72.2 MB in the beginning and 81.0 MB in the end (delta: -8.9 MB). Peak memory consumption was 48.2 MB. Max. memory is 16.1 GB. [2020-11-28 07:34:23,191 INFO L168 Benchmark]: TraceAbstraction took 531.05 ms. Allocated memory is still 104.9 MB. Free memory was 80.9 MB in the beginning and 63.1 MB in the end (delta: 17.7 MB). Peak memory consumption was 17.2 MB. Max. memory is 16.1 GB. [2020-11-28 07:34:23,192 INFO L168 Benchmark]: Witness Printer took 5.03 ms. Allocated memory is still 104.9 MB. Free memory is still 63.1 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 07:34:23,201 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 79.7 MB. Free memory is still 58.4 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 404.20 ms. Allocated memory was 79.7 MB in the beginning and 104.9 MB in the end (delta: 25.2 MB). Free memory was 41.4 MB in the beginning and 76.9 MB in the end (delta: -35.5 MB). Peak memory consumption was 10.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 69.37 ms. Allocated memory is still 104.9 MB. Free memory was 76.9 MB in the beginning and 74.3 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 41.17 ms. Allocated memory is still 104.9 MB. Free memory was 74.3 MB in the beginning and 72.8 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 851.58 ms. Allocated memory is still 104.9 MB. Free memory was 72.2 MB in the beginning and 81.0 MB in the end (delta: -8.9 MB). Peak memory consumption was 48.2 MB. Max. memory is 16.1 GB. * TraceAbstraction took 531.05 ms. Allocated memory is still 104.9 MB. Free memory was 80.9 MB in the beginning and 63.1 MB in the end (delta: 17.7 MB). Peak memory consumption was 17.2 MB. Max. memory is 16.1 GB. * Witness Printer took 5.03 ms. Allocated memory is still 104.9 MB. Free memory is still 63.1 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 3]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 60, overapproximation of someUnaryDOUBLEoperation at line 149, overapproximation of bitwiseAnd at line 163, overapproximation of someUnaryFLOAToperation at line 147, overapproximation of someBinaryArithmeticFLOAToperation at line 166. Possible FailurePath: [L14] static const float huge_floor = 1.0e30; [L62] static const float one_sqrt = 1.0, tiny_sqrt = 1.0e-30; [L145-L153] static const float one_asin = 1.0000000000e+00, huge_asin = 1.000e+30, pio2_hi_asin = 1.57079637050628662109375f, pio2_lo_asin = -4.37113900018624283e-8f, pio4_hi_asin = 0.785398185253143310546875f, pS0_asin = 1.6666667163e-01, pS1_asin = -3.2556581497e-01, pS2_asin = 2.0121252537e-01, pS3_asin = -4.0055535734e-02, pS4_asin = 7.9153501429e-04, pS5_asin = 3.4793309169e-05, qS1_asin = -2.4033949375e+00, qS2_asin = 2.0209457874e+00, qS3_asin = -6.8828397989e-01, qS4_asin = 7.7038154006e-02; [L230] float x = 1.0f / 0.0f; [L156] float t, w, p, q, c, r, s; [L157] __int32_t hx, ix; VAL [huge_asin=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] [L159] ieee_float_shape_type gf_u; [L160] gf_u.value = (x) [L161] EXPR gf_u.word [L161] (hx) = gf_u.word [L163] ix = hx & 0x7fffffff VAL [huge_asin=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] [L164] COND TRUE ix == 0x3f800000 [L166] return x * pio2_hi_asin + x * pio2_lo_asin; VAL [huge_asin=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] [L231] float res = __ieee754_asinf(x); [L60] return x != x; [L234] COND TRUE !isnan_float(res) [L3] __assert_fail("0", "float_req_bl_0250a.c", 3, "reach_error") VAL [huge_asin=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 42 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: 53 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=42occurred 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 15 NumberOfCodeBlocks, 15 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 6 ConstructedInterpolants, 0 QuantifiedInterpolants, 36 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-a4ecdab [2020-11-28 07:34:25,773 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 07:34:25,777 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 07:34:25,851 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 07:34:25,851 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 07:34:25,856 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 07:34:25,859 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 07:34:25,863 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 07:34:25,867 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 07:34:25,873 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 07:34:25,874 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 07:34:25,879 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 07:34:25,880 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 07:34:25,886 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 07:34:25,887 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 07:34:25,889 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 07:34:25,891 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 07:34:25,894 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 07:34:25,898 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 07:34:25,906 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 07:34:25,908 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 07:34:25,910 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 07:34:25,919 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 07:34:25,920 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 07:34:25,927 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 07:34:25,930 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 07:34:25,931 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 07:34:25,933 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 07:34:25,934 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 07:34:25,935 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 07:34:25,935 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 07:34:25,936 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 07:34:25,938 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 07:34:25,939 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 07:34:25,940 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 07:34:25,941 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 07:34:25,942 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 07:34:25,942 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 07:34:25,942 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 07:34:25,944 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 07:34:25,945 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 07:34:25,946 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_cb9cac06-01dc-45c7-b66b-bbaf91159755/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2020-11-28 07:34:25,987 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 07:34:25,988 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 07:34:25,990 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-28 07:34:25,990 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-28 07:34:25,990 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-28 07:34:25,991 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-28 07:34:25,991 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-28 07:34:25,992 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-28 07:34:25,992 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-28 07:34:25,993 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 07:34:25,994 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 07:34:25,995 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 07:34:25,995 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 07:34:25,995 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 07:34:25,996 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 07:34:25,996 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 07:34:25,996 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-28 07:34:25,997 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-11-28 07:34:25,997 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-11-28 07:34:25,997 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 07:34:25,997 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 07:34:25,998 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 07:34:25,998 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 07:34:25,998 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 07:34:25,999 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-28 07:34:25,999 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 07:34:25,999 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-28 07:34:26,000 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 07:34:26,000 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 07:34:26,000 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 07:34:26,001 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 07:34:26,001 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-11-28 07:34:26,001 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-11-28 07:34:26,001 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 07:34:26,002 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 07:34:26,002 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-28 07:34:26,002 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_cb9cac06-01dc-45c7-b66b-bbaf91159755/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_cb9cac06-01dc-45c7-b66b-bbaf91159755/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4be0bc4cd46b95b0d49f59a081442b7e454af9af [2020-11-28 07:34:26,452 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 07:34:26,476 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 07:34:26,479 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 07:34:26,481 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 07:34:26,481 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 07:34:26,482 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_cb9cac06-01dc-45c7-b66b-bbaf91159755/bin/utaipan/../../sv-benchmarks/c/float-newlib/float_req_bl_0250a.c [2020-11-28 07:34:26,564 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_cb9cac06-01dc-45c7-b66b-bbaf91159755/bin/utaipan/data/392e2cc42/012f8d5dc67e4c8a81d6904c348f9bdd/FLAG85882cb48 [2020-11-28 07:34:27,124 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 07:34:27,125 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_cb9cac06-01dc-45c7-b66b-bbaf91159755/sv-benchmarks/c/float-newlib/float_req_bl_0250a.c [2020-11-28 07:34:27,134 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_cb9cac06-01dc-45c7-b66b-bbaf91159755/bin/utaipan/data/392e2cc42/012f8d5dc67e4c8a81d6904c348f9bdd/FLAG85882cb48 [2020-11-28 07:34:27,481 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_cb9cac06-01dc-45c7-b66b-bbaf91159755/bin/utaipan/data/392e2cc42/012f8d5dc67e4c8a81d6904c348f9bdd [2020-11-28 07:34:27,483 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 07:34:27,486 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 07:34:27,490 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 07:34:27,490 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 07:34:27,494 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 07:34:27,496 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 07:34:27" (1/1) ... [2020-11-28 07:34:27,505 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@213b2938 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:34:27, skipping insertion in model container [2020-11-28 07:34:27,506 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 07:34:27" (1/1) ... [2020-11-28 07:34:27,513 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 07:34:27,562 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 07:34:27,844 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 07:34:27,868 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 07:34:27,975 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 07:34:28,016 INFO L208 MainTranslator]: Completed translation [2020-11-28 07:34:28,016 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:34:28 WrapperNode [2020-11-28 07:34:28,017 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 07:34:28,018 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 07:34:28,018 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 07:34:28,018 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 07:34:28,024 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:34:28" (1/1) ... [2020-11-28 07:34:28,038 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:34:28" (1/1) ... [2020-11-28 07:34:28,085 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 07:34:28,088 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 07:34:28,088 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 07:34:28,088 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 07:34:28,098 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:34:28" (1/1) ... [2020-11-28 07:34:28,099 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:34:28" (1/1) ... [2020-11-28 07:34:28,111 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:34:28" (1/1) ... [2020-11-28 07:34:28,114 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:34:28" (1/1) ... [2020-11-28 07:34:28,159 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:34:28" (1/1) ... [2020-11-28 07:34:28,165 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:34:28" (1/1) ... [2020-11-28 07:34:28,168 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:34:28" (1/1) ... [2020-11-28 07:34:28,174 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 07:34:28,180 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 07:34:28,181 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 07:34:28,181 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 07:34:28,182 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:34:28" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cb9cac06-01dc-45c7-b66b-bbaf91159755/bin/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 07:34:28,234 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-11-28 07:34:28,234 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 07:34:28,234 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2020-11-28 07:34:28,234 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-11-28 07:34:28,234 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 07:34:28,234 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 07:34:28,235 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2020-11-28 07:34:28,235 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-11-28 07:34:28,235 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-28 07:34:38,527 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 07:34:38,527 INFO L298 CfgBuilder]: Removed 30 assume(true) statements. [2020-11-28 07:34:38,529 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 07:34:38 BoogieIcfgContainer [2020-11-28 07:34:38,529 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 07:34:38,531 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-28 07:34:38,531 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-28 07:34:38,534 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-28 07:34:38,535 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 07:34:27" (1/3) ... [2020-11-28 07:34:38,536 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40f9db8a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 07:34:38, skipping insertion in model container [2020-11-28 07:34:38,536 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 07:34:28" (2/3) ... [2020-11-28 07:34:38,536 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40f9db8a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 07:34:38, skipping insertion in model container [2020-11-28 07:34:38,537 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 07:34:38" (3/3) ... [2020-11-28 07:34:38,538 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_0250a.c [2020-11-28 07:34:38,549 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-28 07:34:38,554 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-28 07:34:38,566 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-28 07:34:38,603 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-28 07:34:38,603 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-28 07:34:38,603 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-28 07:34:38,603 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-28 07:34:38,603 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-28 07:34:38,603 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-28 07:34:38,603 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-28 07:34:38,604 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-28 07:34:38,616 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states. [2020-11-28 07:34:38,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-11-28 07:34:38,630 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 07:34:38,631 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 07:34:38,631 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 07:34:38,637 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 07:34:38,638 INFO L82 PathProgramCache]: Analyzing trace with hash -1900532880, now seen corresponding path program 1 times [2020-11-28 07:34:38,653 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-28 07:34:38,653 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1119237875] [2020-11-28 07:34:38,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cb9cac06-01dc-45c7-b66b-bbaf91159755/bin/utaipan/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2020-11-28 07:34:39,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 07:34:39,486 INFO L263 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 1 conjunts are in the unsatisfiable core [2020-11-28 07:34:39,490 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 07:34:39,502 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 07:34:39,502 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-28 07:34:39,506 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 07:34:39,507 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1119237875] [2020-11-28 07:34:39,508 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-28 07:34:39,508 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-11-28 07:34:39,509 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1914396293] [2020-11-28 07:34:39,513 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-28 07:34:39,513 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-28 07:34:39,524 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-28 07:34:39,524 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-28 07:34:39,526 INFO L87 Difference]: Start difference. First operand 57 states. Second operand 2 states. [2020-11-28 07:34:39,546 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 07:34:39,546 INFO L93 Difference]: Finished difference Result 111 states and 179 transitions. [2020-11-28 07:34:39,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-28 07:34:39,547 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 9 [2020-11-28 07:34:39,548 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 07:34:39,557 INFO L225 Difference]: With dead ends: 111 [2020-11-28 07:34:39,557 INFO L226 Difference]: Without dead ends: 53 [2020-11-28 07:34:39,560 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-28 07:34:39,574 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2020-11-28 07:34:39,589 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2020-11-28 07:34:39,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2020-11-28 07:34:39,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 70 transitions. [2020-11-28 07:34:39,594 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 70 transitions. Word has length 9 [2020-11-28 07:34:39,594 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 07:34:39,595 INFO L481 AbstractCegarLoop]: Abstraction has 53 states and 70 transitions. [2020-11-28 07:34:39,595 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-28 07:34:39,595 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 70 transitions. [2020-11-28 07:34:39,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-11-28 07:34:39,595 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 07:34:39,596 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 07:34:39,796 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-11-28 07:34:39,797 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 07:34:39,798 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 07:34:39,798 INFO L82 PathProgramCache]: Analyzing trace with hash 1487817933, now seen corresponding path program 1 times [2020-11-28 07:34:39,798 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-28 07:34:39,799 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1482325036] [2020-11-28 07:34:39,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cb9cac06-01dc-45c7-b66b-bbaf91159755/bin/utaipan/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2020-11-28 07:34:40,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 07:34:40,507 INFO L263 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 8 conjunts are in the unsatisfiable core [2020-11-28 07:34:40,509 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 07:34:40,660 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 07:34:40,660 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-28 07:34:40,781 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 07:34:40,782 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1482325036] [2020-11-28 07:34:40,782 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-28 07:34:40,782 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2020-11-28 07:34:40,783 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [752013896] [2020-11-28 07:34:40,784 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-11-28 07:34:40,784 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-28 07:34:40,785 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-11-28 07:34:40,789 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-11-28 07:34:40,790 INFO L87 Difference]: Start difference. First operand 53 states and 70 transitions. Second operand 8 states. [2020-11-28 07:34:41,240 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 07:34:41,240 INFO L93 Difference]: Finished difference Result 58 states and 74 transitions. [2020-11-28 07:34:41,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-28 07:34:41,241 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 10 [2020-11-28 07:34:41,242 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 07:34:41,242 INFO L225 Difference]: With dead ends: 58 [2020-11-28 07:34:41,242 INFO L226 Difference]: Without dead ends: 12 [2020-11-28 07:34:41,244 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2020-11-28 07:34:41,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states. [2020-11-28 07:34:41,249 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 12. [2020-11-28 07:34:41,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2020-11-28 07:34:41,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 11 transitions. [2020-11-28 07:34:41,250 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 11 transitions. Word has length 10 [2020-11-28 07:34:41,250 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 07:34:41,250 INFO L481 AbstractCegarLoop]: Abstraction has 12 states and 11 transitions. [2020-11-28 07:34:41,250 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-11-28 07:34:41,250 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 11 transitions. [2020-11-28 07:34:41,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-11-28 07:34:41,251 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 07:34:41,251 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 07:34:41,464 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-11-28 07:34:41,464 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 07:34:41,465 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 07:34:41,465 INFO L82 PathProgramCache]: Analyzing trace with hash -1242404338, now seen corresponding path program 1 times [2020-11-28 07:34:41,466 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-28 07:34:41,466 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [178260126] [2020-11-28 07:34:41,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cb9cac06-01dc-45c7-b66b-bbaf91159755/bin/utaipan/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2020-11-28 07:34:42,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 07:34:42,244 INFO L263 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 11 conjunts are in the unsatisfiable core [2020-11-28 07:34:42,245 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 07:34:42,426 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 07:34:42,426 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-28 07:34:42,950 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 07:34:42,951 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [178260126] [2020-11-28 07:34:42,951 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-28 07:34:42,951 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 5] imperfect sequences [] total 9 [2020-11-28 07:34:42,951 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [264355480] [2020-11-28 07:34:42,952 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-11-28 07:34:42,952 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-28 07:34:42,952 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-11-28 07:34:42,953 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2020-11-28 07:34:42,953 INFO L87 Difference]: Start difference. First operand 12 states and 11 transitions. Second operand 9 states. [2020-11-28 07:34:43,505 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 07:34:43,505 INFO L93 Difference]: Finished difference Result 12 states and 11 transitions. [2020-11-28 07:34:43,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-11-28 07:34:43,505 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 11 [2020-11-28 07:34:43,506 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 07:34:43,506 INFO L225 Difference]: With dead ends: 12 [2020-11-28 07:34:43,506 INFO L226 Difference]: Without dead ends: 0 [2020-11-28 07:34:43,507 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 11 SyntacticMatches, 2 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2020-11-28 07:34:43,507 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-28 07:34:43,507 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-28 07:34:43,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-28 07:34:43,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-28 07:34:43,507 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 11 [2020-11-28 07:34:43,507 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 07:34:43,508 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-28 07:34:43,508 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-11-28 07:34:43,508 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-28 07:34:43,508 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-28 07:34:43,719 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-11-28 07:34:43,721 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-28 07:34:43,967 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 30 [2020-11-28 07:34:44,093 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 33 [2020-11-28 07:34:44,125 INFO L274 CegarLoopResult]: For program point L85(lines 85 89) no Hoare annotation was computed. [2020-11-28 07:34:44,125 INFO L274 CegarLoopResult]: For program point L85-2(lines 85 89) no Hoare annotation was computed. [2020-11-28 07:34:44,125 INFO L274 CegarLoopResult]: For program point L234(lines 234 237) no Hoare annotation was computed. [2020-11-28 07:34:44,125 INFO L274 CegarLoopResult]: For program point L201-1(lines 201 205) no Hoare annotation was computed. [2020-11-28 07:34:44,125 INFO L270 CegarLoopResult]: At program point L201-2(lines 201 205) the Hoare annotation is: false [2020-11-28 07:34:44,125 INFO L274 CegarLoopResult]: For program point L102(lines 102 106) no Hoare annotation was computed. [2020-11-28 07:34:44,126 INFO L274 CegarLoopResult]: For program point L69-1(lines 69 73) no Hoare annotation was computed. [2020-11-28 07:34:44,126 INFO L274 CegarLoopResult]: For program point L102-2(lines 102 106) no Hoare annotation was computed. [2020-11-28 07:34:44,126 INFO L270 CegarLoopResult]: At program point L69-2(lines 69 73) the Hoare annotation is: false [2020-11-28 07:34:44,126 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-11-28 07:34:44,126 INFO L274 CegarLoopResult]: For program point L69-3(lines 69 73) no Hoare annotation was computed. [2020-11-28 07:34:44,126 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-11-28 07:34:44,126 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-28 07:34:44,127 INFO L274 CegarLoopResult]: For program point L86-2(lines 86 87) no Hoare annotation was computed. [2020-11-28 07:34:44,127 INFO L270 CegarLoopResult]: At program point L86-3(lines 86 87) the Hoare annotation is: false [2020-11-28 07:34:44,127 INFO L274 CegarLoopResult]: For program point L86-4(lines 86 87) no Hoare annotation was computed. [2020-11-28 07:34:44,127 INFO L274 CegarLoopResult]: For program point L169(lines 169 184) no Hoare annotation was computed. [2020-11-28 07:34:44,127 INFO L274 CegarLoopResult]: For program point L169-1(lines 169 184) no Hoare annotation was computed. [2020-11-28 07:34:44,127 INFO L274 CegarLoopResult]: For program point L170(lines 170 183) no Hoare annotation was computed. [2020-11-28 07:34:44,127 INFO L274 CegarLoopResult]: For program point L137(lines 137 141) no Hoare annotation was computed. [2020-11-28 07:34:44,127 INFO L274 CegarLoopResult]: For program point L137-1(lines 130 143) no Hoare annotation was computed. [2020-11-28 07:34:44,128 INFO L274 CegarLoopResult]: For program point L137-2(lines 137 141) no Hoare annotation was computed. [2020-11-28 07:34:44,128 INFO L270 CegarLoopResult]: At program point L220(lines 155 221) the Hoare annotation is: (and (= |ULTIMATE.start___ieee754_asinf_#res| (let ((.cse0 (let ((.cse1 (fp.div roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven 1.0) (_ +zero 8 24)))) (fp.sub roundNearestTiesToEven .cse1 .cse1)))) (fp.div roundNearestTiesToEven .cse0 .cse0))) (exists ((currentRoundingMode RoundingMode)) (= (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)) (fp ((_ extract 31 31) ULTIMATE.start___ieee754_asinf_~hx~1) ((_ extract 30 23) ULTIMATE.start___ieee754_asinf_~hx~1) ((_ extract 22 0) ULTIMATE.start___ieee754_asinf_~hx~1)))) (= currentRoundingMode roundNearestTiesToEven) (exists ((ULTIMATE.start___ieee754_asinf_~hx~1 (_ BitVec 32)) (currentRoundingMode RoundingMode)) (and (= ULTIMATE.start___ieee754_asinf_~ix~3 (bvand (_ bv2147483647 32) ULTIMATE.start___ieee754_asinf_~hx~1)) (= (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)) (fp ((_ extract 31 31) ULTIMATE.start___ieee754_asinf_~hx~1) ((_ extract 30 23) ULTIMATE.start___ieee754_asinf_~hx~1) ((_ extract 22 0) ULTIMATE.start___ieee754_asinf_~hx~1))))) (exists ((currentRoundingMode RoundingMode)) (= ULTIMATE.start___ieee754_asinf_~x (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24))))) [2020-11-28 07:34:44,128 INFO L274 CegarLoopResult]: For program point L171(lines 171 172) no Hoare annotation was computed. [2020-11-28 07:34:44,128 INFO L274 CegarLoopResult]: For program point L123-1(lines 123 127) no Hoare annotation was computed. [2020-11-28 07:34:44,128 INFO L270 CegarLoopResult]: At program point L123-2(lines 123 127) the Hoare annotation is: false [2020-11-28 07:34:44,128 INFO L274 CegarLoopResult]: For program point L123-3(lines 123 127) no Hoare annotation was computed. [2020-11-28 07:34:44,129 INFO L277 CegarLoopResult]: At program point L239(lines 223 240) the Hoare annotation is: true [2020-11-28 07:34:44,129 INFO L274 CegarLoopResult]: For program point L206(lines 206 210) no Hoare annotation was computed. [2020-11-28 07:34:44,129 INFO L274 CegarLoopResult]: For program point L206-1(lines 198 216) no Hoare annotation was computed. [2020-11-28 07:34:44,129 INFO L274 CegarLoopResult]: For program point L206-2(lines 206 210) no Hoare annotation was computed. [2020-11-28 07:34:44,129 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-28 07:34:44,129 INFO L274 CegarLoopResult]: For program point L158-1(lines 158 162) no Hoare annotation was computed. [2020-11-28 07:34:44,129 INFO L270 CegarLoopResult]: At program point L158-2(lines 158 162) the Hoare annotation is: (and (= currentRoundingMode roundNearestTiesToEven) (exists ((currentRoundingMode RoundingMode)) (= ULTIMATE.start___ieee754_asinf_~x (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24))))) [2020-11-28 07:34:44,129 INFO L274 CegarLoopResult]: For program point L92(lines 92 93) no Hoare annotation was computed. [2020-11-28 07:34:44,129 INFO L274 CegarLoopResult]: For program point L158-3(lines 158 162) no Hoare annotation was computed. [2020-11-28 07:34:44,130 INFO L274 CegarLoopResult]: For program point L92-2(lines 92 93) no Hoare annotation was computed. [2020-11-28 07:34:44,130 INFO L270 CegarLoopResult]: At program point L142(lines 130 143) the Hoare annotation is: false [2020-11-28 07:34:44,130 INFO L274 CegarLoopResult]: For program point L76(lines 76 77) no Hoare annotation was computed. [2020-11-28 07:34:44,130 INFO L270 CegarLoopResult]: At program point L60(line 60) the Hoare annotation is: (and (= |ULTIMATE.start___ieee754_asinf_#res| (let ((.cse0 (let ((.cse1 (fp.div roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven 1.0) (_ +zero 8 24)))) (fp.sub roundNearestTiesToEven .cse1 .cse1)))) (fp.div roundNearestTiesToEven .cse0 .cse0))) (exists ((currentRoundingMode RoundingMode)) (= (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)) (fp ((_ extract 31 31) ULTIMATE.start___ieee754_asinf_~hx~1) ((_ extract 30 23) ULTIMATE.start___ieee754_asinf_~hx~1) ((_ extract 22 0) ULTIMATE.start___ieee754_asinf_~hx~1)))) (= currentRoundingMode roundNearestTiesToEven) (exists ((ULTIMATE.start___ieee754_asinf_~hx~1 (_ BitVec 32)) (currentRoundingMode RoundingMode)) (and (= ULTIMATE.start___ieee754_asinf_~ix~3 (bvand (_ bv2147483647 32) ULTIMATE.start___ieee754_asinf_~hx~1)) (= (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)) (fp ((_ extract 31 31) ULTIMATE.start___ieee754_asinf_~hx~1) ((_ extract 30 23) ULTIMATE.start___ieee754_asinf_~hx~1) ((_ extract 22 0) ULTIMATE.start___ieee754_asinf_~hx~1))))) (= (_ bv1 32) |ULTIMATE.start_isnan_float_#res|) (exists ((currentRoundingMode RoundingMode)) (= ULTIMATE.start___ieee754_asinf_~x (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24))))) [2020-11-28 07:34:44,130 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-28 07:34:44,130 INFO L274 CegarLoopResult]: For program point L111(lines 111 120) no Hoare annotation was computed. [2020-11-28 07:34:44,130 INFO L270 CegarLoopResult]: At program point L128(lines 64 129) the Hoare annotation is: false [2020-11-28 07:34:44,131 INFO L274 CegarLoopResult]: For program point L79(lines 79 80) no Hoare annotation was computed. [2020-11-28 07:34:44,131 INFO L274 CegarLoopResult]: For program point L195(lines 195 216) no Hoare annotation was computed. [2020-11-28 07:34:44,131 INFO L274 CegarLoopResult]: For program point L195-2(lines 155 221) no Hoare annotation was computed. [2020-11-28 07:34:44,131 INFO L274 CegarLoopResult]: For program point L113(lines 113 119) no Hoare annotation was computed. [2020-11-28 07:34:44,131 INFO L274 CegarLoopResult]: For program point L81(lines 81 82) no Hoare annotation was computed. [2020-11-28 07:34:44,131 INFO L274 CegarLoopResult]: For program point L164(lines 164 184) no Hoare annotation was computed. [2020-11-28 07:34:44,131 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-28 07:34:44,131 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-28 07:34:44,131 INFO L274 CegarLoopResult]: For program point L115(lines 115 118) no Hoare annotation was computed. [2020-11-28 07:34:44,132 INFO L274 CegarLoopResult]: For program point L132-1(lines 132 136) no Hoare annotation was computed. [2020-11-28 07:34:44,132 INFO L270 CegarLoopResult]: At program point L132-2(lines 132 136) the Hoare annotation is: false [2020-11-28 07:34:44,132 INFO L270 CegarLoopResult]: At program point L100-2(lines 100 109) the Hoare annotation is: false [2020-11-28 07:34:44,132 INFO L274 CegarLoopResult]: For program point L100-3(lines 64 129) no Hoare annotation was computed. [2020-11-28 07:34:44,132 INFO L274 CegarLoopResult]: For program point L167(lines 167 184) no Hoare annotation was computed. [2020-11-28 07:34:44,148 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 07:34:44,149 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 07:34:44,149 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 07:34:44,149 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 07:34:44,149 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 07:34:44,150 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 07:34:44,150 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 07:34:44,150 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 07:34:44,150 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 07:34:44,150 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 07:34:44,151 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 07:34:44,151 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-28 07:34:44,151 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-28 07:34:44,152 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 07:34:44,152 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-11-28 07:34:44,152 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-28 07:34:44,152 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-28 07:34:44,152 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-11-28 07:34:44,153 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-11-28 07:34:44,153 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-11-28 07:34:44,153 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-28 07:34:44,153 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-28 07:34:44,155 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-28 07:34:44,159 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 07:34:44,159 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 07:34:44,160 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 07:34:44,160 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 07:34:44,160 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 07:34:44,160 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 07:34:44,161 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 07:34:44,161 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 07:34:44,161 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 07:34:44,161 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 07:34:44,161 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 07:34:44,162 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-28 07:34:44,162 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-28 07:34:44,162 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 07:34:44,162 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-11-28 07:34:44,163 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-28 07:34:44,163 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-28 07:34:44,163 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-11-28 07:34:44,163 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-11-28 07:34:44,164 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-11-28 07:34:44,164 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-28 07:34:44,164 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-28 07:34:44,164 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-28 07:34:44,167 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 07:34:44,168 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 07:34:44,168 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 07:34:44,168 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 07:34:44,169 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 07:34:44,169 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 07:34:44,169 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 07:34:44,169 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 07:34:44,170 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 07:34:44,170 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 07:34:44,170 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 07:34:44,170 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-28 07:34:44,171 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-28 07:34:44,171 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 07:34:44,171 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-11-28 07:34:44,171 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-28 07:34:44,172 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-28 07:34:44,172 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-11-28 07:34:44,172 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-11-28 07:34:44,172 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-11-28 07:34:44,173 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-28 07:34:44,173 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-28 07:34:44,173 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-28 07:34:44,174 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 07:34:44,175 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 07:34:44,175 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 07:34:44,175 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 07:34:44,175 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 07:34:44,176 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 07:34:44,176 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 07:34:44,176 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 07:34:44,176 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 07:34:44,176 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 07:34:44,177 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 07:34:44,177 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-28 07:34:44,181 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-28 07:34:44,182 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 07:34:44,182 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-11-28 07:34:44,182 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-28 07:34:44,182 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-28 07:34:44,182 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-11-28 07:34:44,183 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-11-28 07:34:44,183 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-11-28 07:34:44,183 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-28 07:34:44,183 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-28 07:34:44,184 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-28 07:34:44,185 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 07:34:44,185 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-28 07:34:44,185 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-28 07:34:44,185 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-28 07:34:44,186 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 07:34:44,186 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-28 07:34:44,186 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-28 07:34:44,186 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-28 07:34:44,189 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 07:34:44 BoogieIcfgContainer [2020-11-28 07:34:44,189 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-28 07:34:44,189 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 07:34:44,190 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 07:34:44,190 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 07:34:44,190 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 07:34:38" (3/4) ... [2020-11-28 07:34:44,194 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-28 07:34:44,207 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2020-11-28 07:34:44,207 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2020-11-28 07:34:44,208 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 07:34:44,208 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-28 07:34:44,232 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven && (\exists currentRoundingMode : FloatRoundingMode :: x == ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE())) [2020-11-28 07:34:44,233 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\result == ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.sub~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE())), ~fp.sub~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()))) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE()) == ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]))) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && (\exists ULTIMATE.start___ieee754_asinf_~hx~1 : bv32, currentRoundingMode : FloatRoundingMode :: ix == ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_asinf_~hx~1) && ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE()) == ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_asinf_~hx~1[31:31], ULTIMATE.start___ieee754_asinf_~hx~1[30:23], ULTIMATE.start___ieee754_asinf_~hx~1[22:0]))) && (\exists currentRoundingMode : FloatRoundingMode :: x == ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE())) [2020-11-28 07:34:44,234 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((\result == ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.sub~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE())), ~fp.sub~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()))) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE()) == ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]))) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && (\exists ULTIMATE.start___ieee754_asinf_~hx~1 : bv32, currentRoundingMode : FloatRoundingMode :: ix == ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_asinf_~hx~1) && ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE()) == ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_asinf_~hx~1[31:31], ULTIMATE.start___ieee754_asinf_~hx~1[30:23], ULTIMATE.start___ieee754_asinf_~hx~1[22:0]))) && 1bv32 == \result) && (\exists currentRoundingMode : FloatRoundingMode :: x == ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE())) [2020-11-28 07:34:44,266 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_cb9cac06-01dc-45c7-b66b-bbaf91159755/bin/utaipan/witness.graphml [2020-11-28 07:34:44,266 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 07:34:44,268 INFO L168 Benchmark]: Toolchain (without parser) took 16781.53 ms. Allocated memory was 75.5 MB in the beginning and 96.5 MB in the end (delta: 21.0 MB). Free memory was 57.9 MB in the beginning and 70.8 MB in the end (delta: -12.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-28 07:34:44,268 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 75.5 MB. Free memory is still 57.5 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 07:34:44,269 INFO L168 Benchmark]: CACSL2BoogieTranslator took 527.06 ms. Allocated memory is still 75.5 MB. Free memory was 57.7 MB in the beginning and 55.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2020-11-28 07:34:44,269 INFO L168 Benchmark]: Boogie Procedure Inliner took 69.48 ms. Allocated memory is still 75.5 MB. Free memory was 55.7 MB in the beginning and 53.1 MB in the end (delta: 2.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-28 07:34:44,270 INFO L168 Benchmark]: Boogie Preprocessor took 91.54 ms. Allocated memory is still 75.5 MB. Free memory was 53.1 MB in the beginning and 50.8 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 07:34:44,270 INFO L168 Benchmark]: RCFGBuilder took 10349.20 ms. Allocated memory is still 75.5 MB. Free memory was 50.7 MB in the beginning and 39.4 MB in the end (delta: 11.3 MB). Peak memory consumption was 18.8 MB. Max. memory is 16.1 GB. [2020-11-28 07:34:44,275 INFO L168 Benchmark]: TraceAbstraction took 5657.94 ms. Allocated memory was 75.5 MB in the beginning and 96.5 MB in the end (delta: 21.0 MB). Free memory was 39.1 MB in the beginning and 76.3 MB in the end (delta: -37.2 MB). Peak memory consumption was 22.6 MB. Max. memory is 16.1 GB. [2020-11-28 07:34:44,276 INFO L168 Benchmark]: Witness Printer took 76.77 ms. Allocated memory is still 96.5 MB. Free memory was 76.3 MB in the beginning and 70.8 MB in the end (delta: 5.6 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-11-28 07:34:44,278 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 75.5 MB. Free memory is still 57.5 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 527.06 ms. Allocated memory is still 75.5 MB. Free memory was 57.7 MB in the beginning and 55.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 69.48 ms. Allocated memory is still 75.5 MB. Free memory was 55.7 MB in the beginning and 53.1 MB in the end (delta: 2.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 91.54 ms. Allocated memory is still 75.5 MB. Free memory was 53.1 MB in the beginning and 50.8 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 10349.20 ms. Allocated memory is still 75.5 MB. Free memory was 50.7 MB in the beginning and 39.4 MB in the end (delta: 11.3 MB). Peak memory consumption was 18.8 MB. Max. memory is 16.1 GB. * TraceAbstraction took 5657.94 ms. Allocated memory was 75.5 MB in the beginning and 96.5 MB in the end (delta: 21.0 MB). Free memory was 39.1 MB in the beginning and 76.3 MB in the end (delta: -37.2 MB). Peak memory consumption was 22.6 MB. Max. memory is 16.1 GB. * Witness Printer took 76.77 ms. Allocated memory is still 96.5 MB. Free memory was 76.3 MB in the beginning and 70.8 MB in the end (delta: 5.6 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,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_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation 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[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,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_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation 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[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,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_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation 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[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,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_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,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[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,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[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 223]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 64]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 155]: Loop Invariant [2020-11-28 07:34:44,296 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 07:34:44,297 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 07:34:44,297 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 07:34:44,297 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 07:34:44,297 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 07:34:44,298 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 07:34:44,298 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 07:34:44,298 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 07:34:44,298 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 07:34:44,298 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 07:34:44,298 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 07:34:44,299 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-28 07:34:44,299 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-28 07:34:44,299 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 07:34:44,299 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-11-28 07:34:44,299 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-28 07:34:44,300 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-28 07:34:44,300 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-11-28 07:34:44,300 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-11-28 07:34:44,300 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-11-28 07:34:44,300 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-28 07:34:44,300 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-28 07:34:44,301 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-28 07:34:44,302 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 07:34:44,302 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 07:34:44,302 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 07:34:44,302 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 07:34:44,303 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 07:34:44,303 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 07:34:44,303 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 07:34:44,303 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 07:34:44,303 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 07:34:44,303 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 07:34:44,304 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 07:34:44,304 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-28 07:34:44,304 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-28 07:34:44,304 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 07:34:44,304 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-11-28 07:34:44,304 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-28 07:34:44,305 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-28 07:34:44,305 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-11-28 07:34:44,305 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-11-28 07:34:44,305 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-11-28 07:34:44,305 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-28 07:34:44,306 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-28 07:34:44,306 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: (((\result == ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.sub~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE())), ~fp.sub~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()))) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE()) == ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]))) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && (\exists ULTIMATE.start___ieee754_asinf_~hx~1 : bv32, currentRoundingMode : FloatRoundingMode :: ix == ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_asinf_~hx~1) && ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE()) == ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_asinf_~hx~1[31:31], ULTIMATE.start___ieee754_asinf_~hx~1[30:23], ULTIMATE.start___ieee754_asinf_~hx~1[22:0]))) && (\exists currentRoundingMode : FloatRoundingMode :: x == ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE())) - InvariantResult [Line: 60]: Loop Invariant [2020-11-28 07:34:44,307 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 07:34:44,307 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 07:34:44,307 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 07:34:44,307 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 07:34:44,308 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 07:34:44,308 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 07:34:44,308 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 07:34:44,308 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 07:34:44,308 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 07:34:44,309 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 07:34:44,309 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 07:34:44,309 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-28 07:34:44,309 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-28 07:34:44,309 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 07:34:44,310 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-11-28 07:34:44,310 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-28 07:34:44,310 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-28 07:34:44,310 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-11-28 07:34:44,310 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-11-28 07:34:44,310 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-11-28 07:34:44,311 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-28 07:34:44,311 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-28 07:34:44,311 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-28 07:34:44,312 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 07:34:44,312 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 07:34:44,312 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 07:34:44,312 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 07:34:44,312 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 07:34:44,313 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 07:34:44,313 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 07:34:44,313 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 07:34:44,313 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 07:34:44,313 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 07:34:44,313 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 07:34:44,314 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-28 07:34:44,314 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-28 07:34:44,314 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 07:34:44,314 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-11-28 07:34:44,314 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-28 07:34:44,314 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-28 07:34:44,315 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-11-28 07:34:44,315 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-11-28 07:34:44,315 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-11-28 07:34:44,315 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-28 07:34:44,315 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-28 07:34:44,316 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: ((((\result == ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.sub~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE())), ~fp.sub~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()))) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE()) == ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]))) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && (\exists ULTIMATE.start___ieee754_asinf_~hx~1 : bv32, currentRoundingMode : FloatRoundingMode :: ix == ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_asinf_~hx~1) && ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE()) == ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_asinf_~hx~1[31:31], ULTIMATE.start___ieee754_asinf_~hx~1[30:23], ULTIMATE.start___ieee754_asinf_~hx~1[22:0]))) && 1bv32 == \result) && (\exists currentRoundingMode : FloatRoundingMode :: x == ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE())) - InvariantResult [Line: 158]: Loop Invariant [2020-11-28 07:34:44,316 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 07:34:44,317 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-28 07:34:44,317 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-28 07:34:44,317 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-28 07:34:44,317 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-28 07:34:44,317 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-28 07:34:44,318 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-28 07:34:44,318 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven && (\exists currentRoundingMode : FloatRoundingMode :: x == ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE())) - InvariantResult [Line: 201]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 132]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 100]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 69]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 86]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 130]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 123]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 57 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 5.1s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 1.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 84 SDtfs, 42 SDslu, 22 SDs, 0 SdLazy, 26 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 59 GetRequests, 39 SyntacticMatches, 2 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 1.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=57occurred 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, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 12 LocationsWithAnnotation, 12 PreInvPairs, 16 NumberOfFragments, 187 HoareAnnotationTreeSize, 12 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 12 FomulaSimplificationsInter, 24 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 1.9s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 30 NumberOfCodeBlocks, 30 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 54 ConstructedInterpolants, 5 QuantifiedInterpolants, 2608 SizeOfPredicates, 17 NumberOfNonLiveVariables, 183 ConjunctsInSsa, 20 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 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! Received shutdown request...