./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_0834.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_9e9ee0ff-e3fb-472e-b3da-681fadf1de32/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_9e9ee0ff-e3fb-472e-b3da-681fadf1de32/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_9e9ee0ff-e3fb-472e-b3da-681fadf1de32/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_9e9ee0ff-e3fb-472e-b3da-681fadf1de32/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0834.c -s /tmp/vcloud-vcloud-master/worker/run_dir_9e9ee0ff-e3fb-472e-b3da-681fadf1de32/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_9e9ee0ff-e3fb-472e-b3da-681fadf1de32/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 e8b1416b540dbb813494b01b5a02a679db992735 .................................................................................................................................................................................................................................................................................................................................... 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_9e9ee0ff-e3fb-472e-b3da-681fadf1de32/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_9e9ee0ff-e3fb-472e-b3da-681fadf1de32/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_9e9ee0ff-e3fb-472e-b3da-681fadf1de32/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_9e9ee0ff-e3fb-472e-b3da-681fadf1de32/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0834.c -s /tmp/vcloud-vcloud-master/worker/run_dir_9e9ee0ff-e3fb-472e-b3da-681fadf1de32/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_9e9ee0ff-e3fb-472e-b3da-681fadf1de32/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 e8b1416b540dbb813494b01b5a02a679db992735 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-22 13:07:48,403 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-22 13:07:48,405 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-22 13:07:48,490 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-22 13:07:48,491 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-22 13:07:48,492 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-22 13:07:48,495 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-22 13:07:48,498 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-22 13:07:48,501 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-22 13:07:48,502 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-22 13:07:48,504 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-22 13:07:48,506 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-22 13:07:48,506 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-22 13:07:48,508 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-22 13:07:48,509 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-22 13:07:48,512 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-22 13:07:48,513 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-22 13:07:48,515 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-22 13:07:48,517 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-22 13:07:48,520 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-22 13:07:48,522 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-22 13:07:48,524 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-22 13:07:48,526 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-22 13:07:48,527 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-22 13:07:48,532 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-22 13:07:48,537 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-22 13:07:48,537 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-22 13:07:48,539 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-22 13:07:48,539 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-22 13:07:48,540 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-22 13:07:48,541 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-22 13:07:48,542 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-22 13:07:48,543 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-22 13:07:48,544 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-22 13:07:48,545 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-22 13:07:48,546 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-22 13:07:48,547 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-22 13:07:48,547 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-22 13:07:48,548 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-22 13:07:48,549 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-22 13:07:48,550 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-22 13:07:48,551 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_9e9ee0ff-e3fb-472e-b3da-681fadf1de32/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2020-11-22 13:07:48,579 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-22 13:07:48,579 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-22 13:07:48,580 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-22 13:07:48,581 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-22 13:07:48,581 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-22 13:07:48,582 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-22 13:07:48,582 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-11-22 13:07:48,582 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-22 13:07:48,583 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-22 13:07:48,583 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-11-22 13:07:48,583 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-11-22 13:07:48,584 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-22 13:07:48,584 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-11-22 13:07:48,585 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-11-22 13:07:48,585 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-11-22 13:07:48,586 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-22 13:07:48,586 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-22 13:07:48,587 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-22 13:07:48,587 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-22 13:07:48,587 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-22 13:07:48,588 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-22 13:07:48,588 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-22 13:07:48,589 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-22 13:07:48,589 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-22 13:07:48,589 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-22 13:07:48,590 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-22 13:07:48,590 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-22 13:07:48,590 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-22 13:07:48,591 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-22 13:07:48,591 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-22 13:07:48,592 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-22 13:07:48,592 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-22 13:07:48,592 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-22 13:07:48,593 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-22 13:07:48,593 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-22 13:07:48,594 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-11-22 13:07:48,594 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-22 13:07:48,594 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-22 13:07:48,594 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-22 13:07:48,595 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-22 13:07:48,595 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_9e9ee0ff-e3fb-472e-b3da-681fadf1de32/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_9e9ee0ff-e3fb-472e-b3da-681fadf1de32/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e8b1416b540dbb813494b01b5a02a679db992735 [2020-11-22 13:07:48,854 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-22 13:07:48,890 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-22 13:07:48,895 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-22 13:07:48,896 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-22 13:07:48,897 INFO L275 PluginConnector]: CDTParser initialized [2020-11-22 13:07:48,899 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_9e9ee0ff-e3fb-472e-b3da-681fadf1de32/bin/utaipan/../../sv-benchmarks/c/float-newlib/float_req_bl_0834.c [2020-11-22 13:07:48,976 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_9e9ee0ff-e3fb-472e-b3da-681fadf1de32/bin/utaipan/data/2711820db/b410e039018e4fcda0ff715b96c222be/FLAGbee25ea3b [2020-11-22 13:07:49,439 INFO L306 CDTParser]: Found 1 translation units. [2020-11-22 13:07:49,444 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_9e9ee0ff-e3fb-472e-b3da-681fadf1de32/sv-benchmarks/c/float-newlib/float_req_bl_0834.c [2020-11-22 13:07:49,451 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_9e9ee0ff-e3fb-472e-b3da-681fadf1de32/bin/utaipan/data/2711820db/b410e039018e4fcda0ff715b96c222be/FLAGbee25ea3b [2020-11-22 13:07:49,797 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_9e9ee0ff-e3fb-472e-b3da-681fadf1de32/bin/utaipan/data/2711820db/b410e039018e4fcda0ff715b96c222be [2020-11-22 13:07:49,800 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-22 13:07:49,803 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-22 13:07:49,807 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-22 13:07:49,808 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-22 13:07:49,811 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-22 13:07:49,812 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:07:49" (1/1) ... [2020-11-22 13:07:49,819 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60d48261 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:07:49, skipping insertion in model container [2020-11-22 13:07:49,819 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:07:49" (1/1) ... [2020-11-22 13:07:49,828 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-22 13:07:49,867 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-22 13:07:50,072 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 13:07:50,090 INFO L203 MainTranslator]: Completed pre-run [2020-11-22 13:07:50,158 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 13:07:50,174 INFO L208 MainTranslator]: Completed translation [2020-11-22 13:07:50,175 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:07:50 WrapperNode [2020-11-22 13:07:50,175 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-22 13:07:50,176 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-22 13:07:50,177 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-22 13:07:50,177 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-22 13:07:50,184 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:07:50" (1/1) ... [2020-11-22 13:07:50,194 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:07:50" (1/1) ... [2020-11-22 13:07:50,219 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-22 13:07:50,219 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-22 13:07:50,220 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-22 13:07:50,220 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-22 13:07:50,228 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:07:50" (1/1) ... [2020-11-22 13:07:50,228 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:07:50" (1/1) ... [2020-11-22 13:07:50,232 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:07:50" (1/1) ... [2020-11-22 13:07:50,233 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:07:50" (1/1) ... [2020-11-22 13:07:50,242 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:07:50" (1/1) ... [2020-11-22 13:07:50,247 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:07:50" (1/1) ... [2020-11-22 13:07:50,250 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:07:50" (1/1) ... [2020-11-22 13:07:50,253 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-22 13:07:50,254 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-22 13:07:50,255 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-22 13:07:50,255 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-22 13:07:50,256 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:07:50" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9e9ee0ff-e3fb-472e-b3da-681fadf1de32/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 [2020-11-22 13:07:50,330 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-22 13:07:50,330 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-22 13:07:50,330 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-22 13:07:50,330 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-11-22 13:07:50,331 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-11-22 13:07:50,331 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-22 13:07:50,331 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-22 13:07:50,331 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-22 13:07:50,332 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2020-11-22 13:07:50,332 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-22 13:07:51,052 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-22 13:07:51,053 INFO L298 CfgBuilder]: Removed 22 assume(true) statements. [2020-11-22 13:07:51,055 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:07:51 BoogieIcfgContainer [2020-11-22 13:07:51,055 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-22 13:07:51,058 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-22 13:07:51,058 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-22 13:07:51,062 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-22 13:07:51,062 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 01:07:49" (1/3) ... [2020-11-22 13:07:51,064 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4bf29409 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:07:51, skipping insertion in model container [2020-11-22 13:07:51,064 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:07:50" (2/3) ... [2020-11-22 13:07:51,064 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4bf29409 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:07:51, skipping insertion in model container [2020-11-22 13:07:51,064 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:07:51" (3/3) ... [2020-11-22 13:07:51,066 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_0834.c [2020-11-22 13:07:51,083 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-22 13:07:51,087 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-22 13:07:51,100 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-22 13:07:51,127 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-22 13:07:51,127 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-22 13:07:51,127 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-22 13:07:51,127 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-22 13:07:51,127 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-22 13:07:51,127 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-22 13:07:51,127 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-22 13:07:51,127 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-22 13:07:51,139 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states. [2020-11-22 13:07:51,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-11-22 13:07:51,144 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 13:07:51,145 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-22 13:07:51,145 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 13:07:51,151 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 13:07:51,151 INFO L82 PathProgramCache]: Analyzing trace with hash -1421319366, now seen corresponding path program 1 times [2020-11-22 13:07:51,161 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-22 13:07:51,161 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2036018119] [2020-11-22 13:07:51,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-22 13:07:51,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 13:07:51,352 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:07:51,352 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2036018119] [2020-11-22 13:07:51,353 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-22 13:07:51,354 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-22 13:07:51,355 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [646632921] [2020-11-22 13:07:51,358 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-22 13:07:51,359 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-11-22 13:07:51,374 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-22 13:07:51,374 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-22 13:07:51,377 INFO L87 Difference]: Start difference. First operand 33 states. Second operand 2 states. [2020-11-22 13:07:51,406 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 13:07:51,408 INFO L93 Difference]: Finished difference Result 65 states and 107 transitions. [2020-11-22 13:07:51,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-22 13:07:51,409 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 9 [2020-11-22 13:07:51,410 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 13:07:51,431 INFO L225 Difference]: With dead ends: 65 [2020-11-22 13:07:51,434 INFO L226 Difference]: Without dead ends: 31 [2020-11-22 13:07:51,437 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 [2020-11-22 13:07:51,465 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2020-11-22 13:07:51,482 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2020-11-22 13:07:51,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2020-11-22 13:07:51,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 39 transitions. [2020-11-22 13:07:51,488 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 39 transitions. Word has length 9 [2020-11-22 13:07:51,489 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 13:07:51,489 INFO L481 AbstractCegarLoop]: Abstraction has 31 states and 39 transitions. [2020-11-22 13:07:51,489 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-22 13:07:51,489 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 39 transitions. [2020-11-22 13:07:51,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-11-22 13:07:51,490 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 13:07:51,491 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-22 13:07:51,492 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-22 13:07:51,492 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 13:07:51,496 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 13:07:51,496 INFO L82 PathProgramCache]: Analyzing trace with hash -898251462, now seen corresponding path program 1 times [2020-11-22 13:07:51,496 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-22 13:07:51,496 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1942172723] [2020-11-22 13:07:51,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-22 13:07:51,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-22 13:07:51,638 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-22 13:07:51,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-22 13:07:51,717 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-22 13:07:51,746 INFO L173 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2020-11-22 13:07:51,746 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-11-22 13:07:51,747 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-22 13:07:51,801 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 01:07:51 BoogieIcfgContainer [2020-11-22 13:07:51,803 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-22 13:07:51,804 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-22 13:07:51,804 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-22 13:07:51,804 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-22 13:07:51,805 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:07:51" (3/4) ... [2020-11-22 13:07:51,808 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-11-22 13:07:51,809 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-22 13:07:51,813 INFO L168 Benchmark]: Toolchain (without parser) took 2006.85 ms. Allocated memory was 100.7 MB in the beginning and 121.6 MB in the end (delta: 21.0 MB). Free memory was 73.2 MB in the beginning and 66.7 MB in the end (delta: 6.5 MB). Peak memory consumption was 26.3 MB. Max. memory is 16.1 GB. [2020-11-22 13:07:51,814 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 100.7 MB. Free memory is still 57.4 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-22 13:07:51,815 INFO L168 Benchmark]: CACSL2BoogieTranslator took 368.38 ms. Allocated memory is still 100.7 MB. Free memory was 72.8 MB in the beginning and 74.9 MB in the end (delta: -2.2 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-22 13:07:51,816 INFO L168 Benchmark]: Boogie Procedure Inliner took 42.42 ms. Allocated memory is still 100.7 MB. Free memory was 74.9 MB in the beginning and 72.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-22 13:07:51,817 INFO L168 Benchmark]: Boogie Preprocessor took 34.19 ms. Allocated memory is still 100.7 MB. Free memory was 72.9 MB in the beginning and 71.1 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-22 13:07:51,818 INFO L168 Benchmark]: RCFGBuilder took 802.27 ms. Allocated memory was 100.7 MB in the beginning and 121.6 MB in the end (delta: 21.0 MB). Free memory was 71.1 MB in the beginning and 94.5 MB in the end (delta: -23.4 MB). Peak memory consumption was 31.8 MB. Max. memory is 16.1 GB. [2020-11-22 13:07:51,819 INFO L168 Benchmark]: TraceAbstraction took 744.60 ms. Allocated memory is still 121.6 MB. Free memory was 94.0 MB in the beginning and 67.3 MB in the end (delta: 26.7 MB). Peak memory consumption was 27.3 MB. Max. memory is 16.1 GB. [2020-11-22 13:07:51,820 INFO L168 Benchmark]: Witness Printer took 5.58 ms. Allocated memory is still 121.6 MB. Free memory was 67.3 MB in the beginning and 66.7 MB in the end (delta: 543.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-22 13:07:51,832 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 100.7 MB. Free memory is still 57.4 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 368.38 ms. Allocated memory is still 100.7 MB. Free memory was 72.8 MB in the beginning and 74.9 MB in the end (delta: -2.2 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 42.42 ms. Allocated memory is still 100.7 MB. Free memory was 74.9 MB in the beginning and 72.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 34.19 ms. Allocated memory is still 100.7 MB. Free memory was 72.9 MB in the beginning and 71.1 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 802.27 ms. Allocated memory was 100.7 MB in the beginning and 121.6 MB in the end (delta: 21.0 MB). Free memory was 71.1 MB in the beginning and 94.5 MB in the end (delta: -23.4 MB). Peak memory consumption was 31.8 MB. Max. memory is 16.1 GB. * TraceAbstraction took 744.60 ms. Allocated memory is still 121.6 MB. Free memory was 94.0 MB in the beginning and 67.3 MB in the end (delta: 26.7 MB). Peak memory consumption was 27.3 MB. Max. memory is 16.1 GB. * Witness Printer took 5.58 ms. Allocated memory is still 121.6 MB. Free memory was 67.3 MB in the beginning and 66.7 MB in the end (delta: 543.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 3]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someUnaryDOUBLEoperation at line 21, overapproximation of someBinaryArithmeticFLOAToperation at line 52, overapproximation of bitwiseAnd at line 121. Possible FailurePath: [L17-L36] static const float one_exp = 1.0, halF_exp[2] = { 0.5, -0.5, }, huge_exp = 1.0e+30, twom100_exp = 7.8886090522e-31, ln2HI_exp[2] = { 6.9313812256e-01, -6.9313812256e-01, }, ln2LO_exp[2] = { 9.0580006145e-06, -9.0580006145e-06, }, invln2_exp = 1.4426950216e+00, P1_exp = 1.6666667163e-01, P2_exp = -2.7777778450e-03, P3_exp = 6.6137559770e-05, P4_exp = -1.6533901999e-06, P5_exp = 4.1381369442e-08; [L132] float x = 1.0f / 0.0f; [L39] float y, hi, lo, c, t; [L40] __int32_t k = 0, xsb, sx; [L41] __uint32_t hx; VAL [halF_exp={11:0}, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, ln2HI_exp={9:0}, ln2LO_exp={10:0}, one_exp=1, P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, twom100_exp=39443045261/50000000000000000000000000000000000000000] [L44] ieee_float_shape_type gf_u; [L45] gf_u.value = (x) [L46] EXPR gf_u.word [L46] (sx) = gf_u.word [L48] xsb = (sx >> 31) & 1 [L49] hx = sx & 0x7fffffff VAL [halF_exp={11:0}, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, ln2HI_exp={9:0}, ln2LO_exp={10:0}, one_exp=1, P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, twom100_exp=39443045261/50000000000000000000000000000000000000000] [L51] COND TRUE ((hx) > 0x7f800000L) [L52] return x + x; VAL [halF_exp={11:0}, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, ln2HI_exp={9:0}, ln2LO_exp={10:0}, one_exp=1, P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, twom100_exp=39443045261/50000000000000000000000000000000000000000] [L133] float res = __ieee754_expf(x); [L115] __int32_t ix; VAL [halF_exp={11:0}, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, ln2HI_exp={9:0}, ln2LO_exp={10:0}, one_exp=1, P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, twom100_exp=39443045261/50000000000000000000000000000000000000000] [L117] ieee_float_shape_type gf_u; [L118] gf_u.value = (x) [L119] EXPR gf_u.word [L119] (ix) = gf_u.word [L121] ix &= 0x7fffffff [L122] return ((ix) == 0x7f800000L); [L136] COND TRUE !isinf_float(res) [L3] __assert_fail("0", "float_req_bl_0834.c", 3, "reach_error") VAL [halF_exp={11:0}, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, ln2HI_exp={9:0}, ln2LO_exp={10:0}, one_exp=1, P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, twom100_exp=39443045261/50000000000000000000000000000000000000000] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 33 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.6s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 41 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=33occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 20 NumberOfCodeBlocks, 20 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 64 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 [2020-11-22 13:07:54,253 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-22 13:07:54,257 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-22 13:07:54,299 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-22 13:07:54,300 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-22 13:07:54,301 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-22 13:07:54,303 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-22 13:07:54,305 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-22 13:07:54,308 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-22 13:07:54,309 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-22 13:07:54,310 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-22 13:07:54,312 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-22 13:07:54,312 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-22 13:07:54,313 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-22 13:07:54,315 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-22 13:07:54,316 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-22 13:07:54,317 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-22 13:07:54,319 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-22 13:07:54,321 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-22 13:07:54,323 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-22 13:07:54,325 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-22 13:07:54,329 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-22 13:07:54,330 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-22 13:07:54,331 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-22 13:07:54,335 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-22 13:07:54,335 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-22 13:07:54,336 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-22 13:07:54,337 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-22 13:07:54,338 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-22 13:07:54,339 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-22 13:07:54,339 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-22 13:07:54,340 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-22 13:07:54,349 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-22 13:07:54,351 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-22 13:07:54,355 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-22 13:07:54,356 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-22 13:07:54,357 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-22 13:07:54,357 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-22 13:07:54,357 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-22 13:07:54,360 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-22 13:07:54,360 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-22 13:07:54,362 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_9e9ee0ff-e3fb-472e-b3da-681fadf1de32/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2020-11-22 13:07:54,401 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-22 13:07:54,402 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-22 13:07:54,402 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-22 13:07:54,403 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-22 13:07:54,403 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-22 13:07:54,403 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-22 13:07:54,403 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-22 13:07:54,403 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-22 13:07:54,404 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-22 13:07:54,404 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-22 13:07:54,405 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-22 13:07:54,405 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-22 13:07:54,405 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-22 13:07:54,405 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-22 13:07:54,405 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-22 13:07:54,405 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-22 13:07:54,406 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-22 13:07:54,406 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-11-22 13:07:54,406 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-11-22 13:07:54,406 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-22 13:07:54,406 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-22 13:07:54,407 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-22 13:07:54,407 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-22 13:07:54,407 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-22 13:07:54,407 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-22 13:07:54,407 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-22 13:07:54,408 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-22 13:07:54,408 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-22 13:07:54,408 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-22 13:07:54,408 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-22 13:07:54,408 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-22 13:07:54,409 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-11-22 13:07:54,416 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-11-22 13:07:54,417 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-22 13:07:54,417 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-22 13:07:54,417 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-22 13:07:54,419 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_9e9ee0ff-e3fb-472e-b3da-681fadf1de32/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_9e9ee0ff-e3fb-472e-b3da-681fadf1de32/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e8b1416b540dbb813494b01b5a02a679db992735 [2020-11-22 13:07:54,805 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-22 13:07:54,849 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-22 13:07:54,855 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-22 13:07:54,858 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-22 13:07:54,859 INFO L275 PluginConnector]: CDTParser initialized [2020-11-22 13:07:54,860 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_9e9ee0ff-e3fb-472e-b3da-681fadf1de32/bin/utaipan/../../sv-benchmarks/c/float-newlib/float_req_bl_0834.c [2020-11-22 13:07:54,942 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_9e9ee0ff-e3fb-472e-b3da-681fadf1de32/bin/utaipan/data/e1982a146/d53fae69bc5f432c8c316403d92c9f59/FLAG8eddc5809 [2020-11-22 13:07:55,379 INFO L306 CDTParser]: Found 1 translation units. [2020-11-22 13:07:55,379 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_9e9ee0ff-e3fb-472e-b3da-681fadf1de32/sv-benchmarks/c/float-newlib/float_req_bl_0834.c [2020-11-22 13:07:55,391 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_9e9ee0ff-e3fb-472e-b3da-681fadf1de32/bin/utaipan/data/e1982a146/d53fae69bc5f432c8c316403d92c9f59/FLAG8eddc5809 [2020-11-22 13:07:55,749 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_9e9ee0ff-e3fb-472e-b3da-681fadf1de32/bin/utaipan/data/e1982a146/d53fae69bc5f432c8c316403d92c9f59 [2020-11-22 13:07:55,752 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-22 13:07:55,753 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-22 13:07:55,755 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-22 13:07:55,755 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-22 13:07:55,759 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-22 13:07:55,759 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:07:55" (1/1) ... [2020-11-22 13:07:55,762 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ee8344e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:07:55, skipping insertion in model container [2020-11-22 13:07:55,762 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:07:55" (1/1) ... [2020-11-22 13:07:55,769 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-22 13:07:55,789 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-22 13:07:55,960 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 13:07:55,974 INFO L203 MainTranslator]: Completed pre-run [2020-11-22 13:07:56,012 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 13:07:56,068 INFO L208 MainTranslator]: Completed translation [2020-11-22 13:07:56,070 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:07:56 WrapperNode [2020-11-22 13:07:56,070 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-22 13:07:56,072 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-22 13:07:56,072 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-22 13:07:56,073 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-22 13:07:56,084 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:07:56" (1/1) ... [2020-11-22 13:07:56,115 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:07:56" (1/1) ... [2020-11-22 13:07:56,159 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-22 13:07:56,160 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-22 13:07:56,160 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-22 13:07:56,160 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-22 13:07:56,172 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:07:56" (1/1) ... [2020-11-22 13:07:56,173 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:07:56" (1/1) ... [2020-11-22 13:07:56,196 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:07:56" (1/1) ... [2020-11-22 13:07:56,196 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:07:56" (1/1) ... [2020-11-22 13:07:56,220 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:07:56" (1/1) ... [2020-11-22 13:07:56,225 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:07:56" (1/1) ... [2020-11-22 13:07:56,228 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:07:56" (1/1) ... [2020-11-22 13:07:56,240 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-22 13:07:56,242 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-22 13:07:56,242 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-22 13:07:56,243 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-22 13:07:56,244 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:07:56" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9e9ee0ff-e3fb-472e-b3da-681fadf1de32/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 [2020-11-22 13:07:56,312 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2020-11-22 13:07:56,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-11-22 13:07:56,313 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-22 13:07:56,313 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2020-11-22 13:07:56,313 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-11-22 13:07:56,313 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-22 13:07:56,313 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-22 13:07:56,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2020-11-22 13:07:56,314 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-11-22 13:07:56,314 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-22 13:08:04,717 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-22 13:08:04,717 INFO L298 CfgBuilder]: Removed 22 assume(true) statements. [2020-11-22 13:08:04,719 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:08:04 BoogieIcfgContainer [2020-11-22 13:08:04,719 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-22 13:08:04,721 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-22 13:08:04,721 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-22 13:08:04,724 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-22 13:08:04,724 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 01:07:55" (1/3) ... [2020-11-22 13:08:04,725 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3de4a914 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:08:04, skipping insertion in model container [2020-11-22 13:08:04,726 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:07:56" (2/3) ... [2020-11-22 13:08:04,726 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3de4a914 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:08:04, skipping insertion in model container [2020-11-22 13:08:04,726 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:08:04" (3/3) ... [2020-11-22 13:08:04,728 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_0834.c [2020-11-22 13:08:04,738 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-22 13:08:04,742 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-22 13:08:04,754 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-22 13:08:04,777 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-22 13:08:04,777 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-22 13:08:04,777 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-22 13:08:04,778 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-22 13:08:04,778 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-22 13:08:04,778 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-22 13:08:04,778 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-22 13:08:04,778 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-22 13:08:04,791 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states. [2020-11-22 13:08:04,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-11-22 13:08:04,796 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 13:08:04,797 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-22 13:08:04,797 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 13:08:04,801 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 13:08:04,801 INFO L82 PathProgramCache]: Analyzing trace with hash 619608955, now seen corresponding path program 1 times [2020-11-22 13:08:04,811 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 13:08:04,812 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1562173428] [2020-11-22 13:08:04,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9e9ee0ff-e3fb-472e-b3da-681fadf1de32/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 [2020-11-22 13:08:05,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 13:08:05,461 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 1 conjunts are in the unsatisfiable core [2020-11-22 13:08:05,465 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 13:08:05,478 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:08:05,478 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 13:08:05,482 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:08:05,483 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1562173428] [2020-11-22 13:08:05,483 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 13:08:05,484 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-11-22 13:08:05,484 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [225673817] [2020-11-22 13:08:05,488 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-22 13:08:05,488 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 13:08:05,501 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-22 13:08:05,501 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-22 13:08:05,503 INFO L87 Difference]: Start difference. First operand 41 states. Second operand 2 states. [2020-11-22 13:08:05,521 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 13:08:05,522 INFO L93 Difference]: Finished difference Result 79 states and 125 transitions. [2020-11-22 13:08:05,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-22 13:08:05,523 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2020-11-22 13:08:05,523 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 13:08:05,532 INFO L225 Difference]: With dead ends: 79 [2020-11-22 13:08:05,532 INFO L226 Difference]: Without dead ends: 37 [2020-11-22 13:08:05,535 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-22 13:08:05,565 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2020-11-22 13:08:05,579 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2020-11-22 13:08:05,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2020-11-22 13:08:05,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 47 transitions. [2020-11-22 13:08:05,583 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 47 transitions. Word has length 11 [2020-11-22 13:08:05,583 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 13:08:05,584 INFO L481 AbstractCegarLoop]: Abstraction has 37 states and 47 transitions. [2020-11-22 13:08:05,584 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-22 13:08:05,584 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 47 transitions. [2020-11-22 13:08:05,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-11-22 13:08:05,585 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 13:08:05,585 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-22 13:08:05,801 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-11-22 13:08:05,802 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 13:08:05,802 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 13:08:05,803 INFO L82 PathProgramCache]: Analyzing trace with hash -434363397, now seen corresponding path program 1 times [2020-11-22 13:08:05,803 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 13:08:05,804 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [536056076] [2020-11-22 13:08:05,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9e9ee0ff-e3fb-472e-b3da-681fadf1de32/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 [2020-11-22 13:08:06,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 13:08:06,320 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 8 conjunts are in the unsatisfiable core [2020-11-22 13:08:06,322 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 13:08:06,472 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:08:06,473 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 13:08:06,599 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:08:06,599 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [536056076] [2020-11-22 13:08:06,599 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 13:08:06,599 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2020-11-22 13:08:06,599 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [174924729] [2020-11-22 13:08:06,601 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-11-22 13:08:06,601 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 13:08:06,602 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-11-22 13:08:06,602 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-11-22 13:08:06,602 INFO L87 Difference]: Start difference. First operand 37 states and 47 transitions. Second operand 8 states. [2020-11-22 13:08:06,822 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 13:08:06,824 INFO L93 Difference]: Finished difference Result 45 states and 54 transitions. [2020-11-22 13:08:06,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-22 13:08:06,830 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 13 [2020-11-22 13:08:06,831 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 13:08:06,831 INFO L225 Difference]: With dead ends: 45 [2020-11-22 13:08:06,831 INFO L226 Difference]: Without dead ends: 17 [2020-11-22 13:08:06,832 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2020-11-22 13:08:06,833 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2020-11-22 13:08:06,836 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2020-11-22 13:08:06,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2020-11-22 13:08:06,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 17 transitions. [2020-11-22 13:08:06,836 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 17 transitions. Word has length 13 [2020-11-22 13:08:06,837 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 13:08:06,837 INFO L481 AbstractCegarLoop]: Abstraction has 17 states and 17 transitions. [2020-11-22 13:08:06,837 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-11-22 13:08:06,837 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 17 transitions. [2020-11-22 13:08:06,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-11-22 13:08:06,838 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 13:08:06,838 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-22 13:08:07,038 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-11-22 13:08:07,039 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 13:08:07,039 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 13:08:07,040 INFO L82 PathProgramCache]: Analyzing trace with hash -760163818, now seen corresponding path program 1 times [2020-11-22 13:08:07,040 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 13:08:07,040 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [130208923] [2020-11-22 13:08:07,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9e9ee0ff-e3fb-472e-b3da-681fadf1de32/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 [2020-11-22 13:08:07,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 13:08:07,577 INFO L263 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjunts are in the unsatisfiable core [2020-11-22 13:08:07,579 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 13:08:07,697 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-22 13:08:07,761 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:08:07,762 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 13:08:10,134 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2020-11-22 13:08:17,932 WARN L193 SmtUtils]: Spent 463.00 ms on a formula simplification that was a NOOP. DAG size: 17 [2020-11-22 13:08:17,996 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:08:17,996 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [130208923] [2020-11-22 13:08:17,996 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 13:08:17,996 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9, 9] imperfect sequences [] total 17 [2020-11-22 13:08:17,997 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1621997945] [2020-11-22 13:08:17,997 INFO L461 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-11-22 13:08:17,997 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 13:08:17,998 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-11-22 13:08:17,999 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=232, Unknown=0, NotChecked=0, Total=272 [2020-11-22 13:08:17,999 INFO L87 Difference]: Start difference. First operand 17 states and 17 transitions. Second operand 17 states. [2020-11-22 13:08:19,544 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 13:08:19,544 INFO L93 Difference]: Finished difference Result 26 states and 25 transitions. [2020-11-22 13:08:19,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-11-22 13:08:19,547 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 16 [2020-11-22 13:08:19,547 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 13:08:19,548 INFO L225 Difference]: With dead ends: 26 [2020-11-22 13:08:19,548 INFO L226 Difference]: Without dead ends: 17 [2020-11-22 13:08:19,548 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 14 SyntacticMatches, 1 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 10.8s TimeCoverageRelationStatistics Valid=112, Invalid=394, Unknown=0, NotChecked=0, Total=506 [2020-11-22 13:08:19,549 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2020-11-22 13:08:19,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2020-11-22 13:08:19,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2020-11-22 13:08:19,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 16 transitions. [2020-11-22 13:08:19,552 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 16 transitions. Word has length 16 [2020-11-22 13:08:19,552 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 13:08:19,552 INFO L481 AbstractCegarLoop]: Abstraction has 17 states and 16 transitions. [2020-11-22 13:08:19,552 INFO L482 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-11-22 13:08:19,552 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 16 transitions. [2020-11-22 13:08:19,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-11-22 13:08:19,553 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 13:08:19,553 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-22 13:08:19,753 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-11-22 13:08:19,753 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 13:08:19,754 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 13:08:19,754 INFO L82 PathProgramCache]: Analyzing trace with hash -80105448, now seen corresponding path program 1 times [2020-11-22 13:08:19,754 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 13:08:19,755 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [500329814] [2020-11-22 13:08:19,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9e9ee0ff-e3fb-472e-b3da-681fadf1de32/bin/utaipan/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2020-11-22 13:08:20,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 13:08:20,239 INFO L263 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 8 conjunts are in the unsatisfiable core [2020-11-22 13:08:20,240 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 13:08:20,324 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:08:20,324 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 13:08:20,423 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:08:20,424 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [500329814] [2020-11-22 13:08:20,424 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 13:08:20,424 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2020-11-22 13:08:20,424 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [444863438] [2020-11-22 13:08:20,425 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-11-22 13:08:20,425 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 13:08:20,425 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-11-22 13:08:20,425 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-11-22 13:08:20,426 INFO L87 Difference]: Start difference. First operand 17 states and 16 transitions. Second operand 8 states. [2020-11-22 13:08:20,537 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 13:08:20,537 INFO L93 Difference]: Finished difference Result 17 states and 16 transitions. [2020-11-22 13:08:20,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-22 13:08:20,537 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 16 [2020-11-22 13:08:20,538 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 13:08:20,538 INFO L225 Difference]: With dead ends: 17 [2020-11-22 13:08:20,538 INFO L226 Difference]: Without dead ends: 0 [2020-11-22 13:08:20,538 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2020-11-22 13:08:20,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-22 13:08:20,539 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-22 13:08:20,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-22 13:08:20,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-22 13:08:20,539 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 16 [2020-11-22 13:08:20,539 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 13:08:20,539 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-22 13:08:20,539 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-11-22 13:08:20,539 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-22 13:08:20,539 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-22 13:08:20,740 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2020-11-22 13:08:20,742 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-22 13:08:20,921 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 42 [2020-11-22 13:08:21,142 INFO L274 CegarLoopResult]: For program point L60(lines 60 75) no Hoare annotation was computed. [2020-11-22 13:08:21,143 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-11-22 13:08:21,143 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-11-22 13:08:21,143 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-22 13:08:21,143 INFO L274 CegarLoopResult]: For program point L61(lines 61 70) no Hoare annotation was computed. [2020-11-22 13:08:21,143 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-22 13:08:21,143 INFO L274 CegarLoopResult]: For program point L61-2(lines 61 70) no Hoare annotation was computed. [2020-11-22 13:08:21,143 INFO L274 CegarLoopResult]: For program point L53(lines 53 54) no Hoare annotation was computed. [2020-11-22 13:08:21,143 INFO L274 CegarLoopResult]: For program point L86-1(lines 86 90) no Hoare annotation was computed. [2020-11-22 13:08:21,144 INFO L270 CegarLoopResult]: At program point L86-2(lines 86 90) the Hoare annotation is: false [2020-11-22 13:08:21,144 INFO L274 CegarLoopResult]: For program point L136(lines 136 139) no Hoare annotation was computed. [2020-11-22 13:08:21,144 INFO L274 CegarLoopResult]: For program point L54(line 54) no Hoare annotation was computed. [2020-11-22 13:08:21,144 INFO L274 CegarLoopResult]: For program point L54-2(line 54) no Hoare annotation was computed. [2020-11-22 13:08:21,144 INFO L274 CegarLoopResult]: For program point L104(lines 104 108) no Hoare annotation was computed. [2020-11-22 13:08:21,144 INFO L274 CegarLoopResult]: For program point L104-1(lines 97 110) no Hoare annotation was computed. [2020-11-22 13:08:21,144 INFO L274 CegarLoopResult]: For program point L104-2(lines 104 108) no Hoare annotation was computed. [2020-11-22 13:08:21,144 INFO L274 CegarLoopResult]: For program point L55(lines 55 56) no Hoare annotation was computed. [2020-11-22 13:08:21,144 INFO L274 CegarLoopResult]: For program point L80(lines 80 83) no Hoare annotation was computed. [2020-11-22 13:08:21,145 INFO L274 CegarLoopResult]: For program point L72(lines 72 75) no Hoare annotation was computed. [2020-11-22 13:08:21,145 INFO L274 CegarLoopResult]: For program point L72-2(lines 60 75) no Hoare annotation was computed. [2020-11-22 13:08:21,145 INFO L270 CegarLoopResult]: At program point L122(lines 114 123) the Hoare annotation is: (let ((.cse0 ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven (fp.div roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven 1.0) (_ +zero 8 24)))))) (and (= .cse0 (fp ((_ extract 31 31) ULTIMATE.start_isinf_float_~ix~0) ((_ extract 30 23) ULTIMATE.start_isinf_float_~ix~0) ((_ extract 22 0) ULTIMATE.start_isinf_float_~ix~0))) (= currentRoundingMode roundNearestTiesToEven) (= .cse0 ULTIMATE.start_isinf_float_~x) (= (bvadd |ULTIMATE.start_isinf_float_#res| (_ bv4294967295 32)) (_ bv0 32)) (= .cse0 |ULTIMATE.start___ieee754_expf_#res|) (exists ((currentRoundingMode RoundingMode)) (= (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)) (fp ((_ extract 31 31) ULTIMATE.start___ieee754_expf_~sx~0) ((_ extract 30 23) ULTIMATE.start___ieee754_expf_~sx~0) ((_ extract 22 0) ULTIMATE.start___ieee754_expf_~sx~0)))) (= ULTIMATE.start___ieee754_expf_~x (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24))) (exists ((ULTIMATE.start___ieee754_expf_~sx~0 (_ BitVec 32)) (currentRoundingMode RoundingMode)) (and (= (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)) (fp ((_ extract 31 31) ULTIMATE.start___ieee754_expf_~sx~0) ((_ extract 30 23) ULTIMATE.start___ieee754_expf_~sx~0) ((_ extract 22 0) ULTIMATE.start___ieee754_expf_~sx~0))) (= ULTIMATE.start___ieee754_expf_~hx~0 (bvand (_ bv2147483647 32) ULTIMATE.start___ieee754_expf_~sx~0)))))) [2020-11-22 13:08:21,145 INFO L274 CegarLoopResult]: For program point L73(lines 73 74) no Hoare annotation was computed. [2020-11-22 13:08:21,145 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-22 13:08:21,145 INFO L274 CegarLoopResult]: For program point L57(lines 57 58) no Hoare annotation was computed. [2020-11-22 13:08:21,146 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-22 13:08:21,146 INFO L274 CegarLoopResult]: For program point L99-1(lines 99 103) no Hoare annotation was computed. [2020-11-22 13:08:21,146 INFO L270 CegarLoopResult]: At program point L99-2(lines 99 103) the Hoare annotation is: false [2020-11-22 13:08:21,146 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-22 13:08:21,146 INFO L274 CegarLoopResult]: For program point L91(lines 91 95) no Hoare annotation was computed. [2020-11-22 13:08:21,146 INFO L274 CegarLoopResult]: For program point L91-1(lines 84 97) no Hoare annotation was computed. [2020-11-22 13:08:21,146 INFO L274 CegarLoopResult]: For program point L91-2(lines 91 95) no Hoare annotation was computed. [2020-11-22 13:08:21,146 INFO L274 CegarLoopResult]: For program point L116-1(lines 116 120) no Hoare annotation was computed. [2020-11-22 13:08:21,147 INFO L270 CegarLoopResult]: At program point L116-2(lines 116 120) the Hoare annotation is: (let ((.cse0 ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven (fp.div roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven 1.0) (_ +zero 8 24)))))) (and (= currentRoundingMode roundNearestTiesToEven) (= .cse0 ULTIMATE.start_isinf_float_~x) (= .cse0 |ULTIMATE.start___ieee754_expf_#res|) (exists ((currentRoundingMode RoundingMode)) (= (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)) (fp ((_ extract 31 31) ULTIMATE.start___ieee754_expf_~sx~0) ((_ extract 30 23) ULTIMATE.start___ieee754_expf_~sx~0) ((_ extract 22 0) ULTIMATE.start___ieee754_expf_~sx~0)))) (= ULTIMATE.start___ieee754_expf_~x (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24))) (exists ((ULTIMATE.start___ieee754_expf_~sx~0 (_ BitVec 32)) (currentRoundingMode RoundingMode)) (and (= (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)) (fp ((_ extract 31 31) ULTIMATE.start___ieee754_expf_~sx~0) ((_ extract 30 23) ULTIMATE.start___ieee754_expf_~sx~0) ((_ extract 22 0) ULTIMATE.start___ieee754_expf_~sx~0))) (= ULTIMATE.start___ieee754_expf_~hx~0 (bvand (_ bv2147483647 32) ULTIMATE.start___ieee754_expf_~sx~0)))))) [2020-11-22 13:08:21,147 INFO L274 CegarLoopResult]: For program point L116-3(lines 116 120) no Hoare annotation was computed. [2020-11-22 13:08:21,147 INFO L277 CegarLoopResult]: At program point L141(lines 125 142) the Hoare annotation is: true [2020-11-22 13:08:21,147 INFO L274 CegarLoopResult]: For program point L84(lines 84 110) no Hoare annotation was computed. [2020-11-22 13:08:21,147 INFO L274 CegarLoopResult]: For program point L51(lines 51 52) no Hoare annotation was computed. [2020-11-22 13:08:21,147 INFO L270 CegarLoopResult]: At program point L109(lines 38 111) the Hoare annotation is: (and (= currentRoundingMode roundNearestTiesToEven) (= ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven (fp.div roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven 1.0) (_ +zero 8 24)))) |ULTIMATE.start___ieee754_expf_#res|) (exists ((currentRoundingMode RoundingMode)) (= (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)) (fp ((_ extract 31 31) ULTIMATE.start___ieee754_expf_~sx~0) ((_ extract 30 23) ULTIMATE.start___ieee754_expf_~sx~0) ((_ extract 22 0) ULTIMATE.start___ieee754_expf_~sx~0)))) (= ULTIMATE.start___ieee754_expf_~x (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24))) (exists ((ULTIMATE.start___ieee754_expf_~sx~0 (_ BitVec 32)) (currentRoundingMode RoundingMode)) (and (= (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)) (fp ((_ extract 31 31) ULTIMATE.start___ieee754_expf_~sx~0) ((_ extract 30 23) ULTIMATE.start___ieee754_expf_~sx~0) ((_ extract 22 0) ULTIMATE.start___ieee754_expf_~sx~0))) (= ULTIMATE.start___ieee754_expf_~hx~0 (bvand (_ bv2147483647 32) ULTIMATE.start___ieee754_expf_~sx~0))))) [2020-11-22 13:08:21,147 INFO L274 CegarLoopResult]: For program point L43-1(lines 43 47) no Hoare annotation was computed. [2020-11-22 13:08:21,148 INFO L270 CegarLoopResult]: At program point L43-2(lines 43 47) the Hoare annotation is: (and (= currentRoundingMode roundNearestTiesToEven) (= ULTIMATE.start___ieee754_expf_~x (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)))) [2020-11-22 13:08:21,148 INFO L274 CegarLoopResult]: For program point L43-3(lines 43 47) no Hoare annotation was computed. [2020-11-22 13:08:21,159 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-22 13:08:21,160 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-22 13:08:21,160 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-22 13:08:21,160 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-22 13:08:21,161 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-22 13:08:21,161 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-22 13:08:21,162 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-22 13:08:21,162 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-22 13:08:21,169 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-22 13:08:21,169 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-22 13:08:21,169 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-22 13:08:21,169 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-22 13:08:21,170 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-22 13:08:21,174 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-22 13:08:21,174 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-22 13:08:21,174 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-22 13:08:21,174 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-22 13:08:21,175 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2020-11-22 13:08:21,175 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2020-11-22 13:08:21,175 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2020-11-22 13:08:21,175 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2020-11-22 13:08:21,177 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-22 13:08:21,177 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-22 13:08:21,178 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-22 13:08:21,182 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-22 13:08:21,183 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-22 13:08:21,183 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-22 13:08:21,183 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-22 13:08:21,184 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-22 13:08:21,184 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-22 13:08:21,184 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-22 13:08:21,184 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-22 13:08:21,184 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-22 13:08:21,185 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-22 13:08:21,185 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-22 13:08:21,185 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-22 13:08:21,185 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-22 13:08:21,186 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-22 13:08:21,186 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-22 13:08:21,186 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-22 13:08:21,186 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-22 13:08:21,186 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2020-11-22 13:08:21,187 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2020-11-22 13:08:21,187 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2020-11-22 13:08:21,187 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2020-11-22 13:08:21,189 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-22 13:08:21,189 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-22 13:08:21,189 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-22 13:08:21,192 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-22 13:08:21,193 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-22 13:08:21,193 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-22 13:08:21,193 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-22 13:08:21,193 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-22 13:08:21,193 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-22 13:08:21,194 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-22 13:08:21,194 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-22 13:08:21,194 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-22 13:08:21,194 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-22 13:08:21,194 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-22 13:08:21,198 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-22 13:08:21,198 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-22 13:08:21,198 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2020-11-22 13:08:21,198 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2020-11-22 13:08:21,198 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2020-11-22 13:08:21,199 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2020-11-22 13:08:21,201 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-22 13:08:21,202 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-22 13:08:21,203 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-22 13:08:21,207 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-22 13:08:21,207 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-22 13:08:21,207 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-22 13:08:21,208 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-22 13:08:21,208 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-22 13:08:21,208 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-22 13:08:21,208 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-22 13:08:21,208 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-22 13:08:21,208 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-22 13:08:21,209 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-22 13:08:21,209 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-22 13:08:21,209 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-22 13:08:21,209 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-22 13:08:21,209 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2020-11-22 13:08:21,209 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2020-11-22 13:08:21,209 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2020-11-22 13:08:21,210 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2020-11-22 13:08:21,210 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-22 13:08:21,210 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-22 13:08:21,210 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-22 13:08:21,211 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-22 13:08:21,211 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-22 13:08:21,211 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-22 13:08:21,211 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-22 13:08:21,212 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-22 13:08:21,212 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-22 13:08:21,212 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-22 13:08:21,212 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-22 13:08:21,212 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-22 13:08:21,212 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2020-11-22 13:08:21,212 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2020-11-22 13:08:21,213 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2020-11-22 13:08:21,213 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2020-11-22 13:08:21,213 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-22 13:08:21,213 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-22 13:08:21,213 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-22 13:08:21,214 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-22 13:08:21,214 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-22 13:08:21,214 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-22 13:08:21,214 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-22 13:08:21,215 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-22 13:08:21,215 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-22 13:08:21,215 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-22 13:08:21,215 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-22 13:08:21,219 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-22 13:08:21,219 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2020-11-22 13:08:21,220 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2020-11-22 13:08:21,220 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2020-11-22 13:08:21,221 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2020-11-22 13:08:21,221 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-22 13:08:21,221 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-22 13:08:21,221 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-22 13:08:21,222 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-22 13:08:21,223 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-22 13:08:21,223 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-22 13:08:21,223 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-22 13:08:21,223 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-22 13:08:21,224 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-22 13:08:21,224 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-22 13:08:21,224 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-22 13:08:21,227 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 01:08:21 BoogieIcfgContainer [2020-11-22 13:08:21,227 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-22 13:08:21,227 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-22 13:08:21,227 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-22 13:08:21,228 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-22 13:08:21,228 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:08:04" (3/4) ... [2020-11-22 13:08:21,231 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-22 13:08:21,247 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2020-11-22 13:08:21,248 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2020-11-22 13:08:21,248 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-22 13:08:21,249 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-22 13:08:21,276 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven && ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()))) == \result) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE()) == ~fp~LONGDOUBLE(sx[31:31], sx[30:23], sx[22:0]))) && x == ~fp.div~FLOAT(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0), ~Pluszero~LONGDOUBLE())) && (\exists ULTIMATE.start___ieee754_expf_~sx~0 : bv32, currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE()) == ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_expf_~sx~0[31:31], ULTIMATE.start___ieee754_expf_~sx~0[30:23], ULTIMATE.start___ieee754_expf_~sx~0[22:0]) && hx == ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_expf_~sx~0)) [2020-11-22 13:08:21,278 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven && ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()))) == x) && ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()))) == \result) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE()) == ~fp~LONGDOUBLE(sx[31:31], sx[30:23], sx[22:0]))) && x == ~fp.div~FLOAT(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0), ~Pluszero~LONGDOUBLE())) && (\exists ULTIMATE.start___ieee754_expf_~sx~0 : bv32, currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE()) == ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_expf_~sx~0[31:31], ULTIMATE.start___ieee754_expf_~sx~0[30:23], ULTIMATE.start___ieee754_expf_~sx~0[22:0]) && hx == ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_expf_~sx~0)) [2020-11-22 13:08:21,279 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()))) == ~fp~LONGDOUBLE(ix[31:31], ix[30:23], ix[22:0]) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()))) == x) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()))) == \result) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE()) == ~fp~LONGDOUBLE(sx[31:31], sx[30:23], sx[22:0]))) && x == ~fp.div~FLOAT(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0), ~Pluszero~LONGDOUBLE())) && (\exists ULTIMATE.start___ieee754_expf_~sx~0 : bv32, currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE()) == ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_expf_~sx~0[31:31], ULTIMATE.start___ieee754_expf_~sx~0[30:23], ULTIMATE.start___ieee754_expf_~sx~0[22:0]) && hx == ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_expf_~sx~0)) [2020-11-22 13:08:21,346 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_9e9ee0ff-e3fb-472e-b3da-681fadf1de32/bin/utaipan/witness.graphml [2020-11-22 13:08:21,346 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-22 13:08:21,348 INFO L168 Benchmark]: Toolchain (without parser) took 25594.22 ms. Allocated memory was 75.5 MB in the beginning and 92.3 MB in the end (delta: 16.8 MB). Free memory was 60.7 MB in the beginning and 59.9 MB in the end (delta: 795.1 kB). Peak memory consumption was 16.3 MB. Max. memory is 16.1 GB. [2020-11-22 13:08:21,348 INFO L168 Benchmark]: CDTParser took 0.58 ms. Allocated memory is still 75.5 MB. Free memory is still 58.4 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-22 13:08:21,349 INFO L168 Benchmark]: CACSL2BoogieTranslator took 315.83 ms. Allocated memory is still 75.5 MB. Free memory was 60.7 MB in the beginning and 59.3 MB in the end (delta: 1.5 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2020-11-22 13:08:21,349 INFO L168 Benchmark]: Boogie Procedure Inliner took 87.44 ms. Allocated memory is still 75.5 MB. Free memory was 59.3 MB in the beginning and 57.2 MB in the end (delta: 2.1 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-22 13:08:21,350 INFO L168 Benchmark]: Boogie Preprocessor took 80.48 ms. Allocated memory is still 75.5 MB. Free memory was 57.2 MB in the beginning and 54.9 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-22 13:08:21,350 INFO L168 Benchmark]: RCFGBuilder took 8477.38 ms. Allocated memory is still 75.5 MB. Free memory was 54.9 MB in the beginning and 54.4 MB in the end (delta: 445.6 kB). Peak memory consumption was 28.5 MB. Max. memory is 16.1 GB. [2020-11-22 13:08:21,350 INFO L168 Benchmark]: TraceAbstraction took 16505.91 ms. Allocated memory was 75.5 MB in the beginning and 92.3 MB in the end (delta: 16.8 MB). Free memory was 53.8 MB in the beginning and 66.7 MB in the end (delta: -12.9 MB). Peak memory consumption was 39.4 MB. Max. memory is 16.1 GB. [2020-11-22 13:08:21,351 INFO L168 Benchmark]: Witness Printer took 119.26 ms. Allocated memory is still 92.3 MB. Free memory was 66.7 MB in the beginning and 59.9 MB in the end (delta: 6.8 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-11-22 13:08:21,353 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.58 ms. Allocated memory is still 75.5 MB. Free memory is still 58.4 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 315.83 ms. Allocated memory is still 75.5 MB. Free memory was 60.7 MB in the beginning and 59.3 MB in the end (delta: 1.5 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 87.44 ms. Allocated memory is still 75.5 MB. Free memory was 59.3 MB in the beginning and 57.2 MB in the end (delta: 2.1 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 80.48 ms. Allocated memory is still 75.5 MB. Free memory was 57.2 MB in the beginning and 54.9 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 8477.38 ms. Allocated memory is still 75.5 MB. Free memory was 54.9 MB in the beginning and 54.4 MB in the end (delta: 445.6 kB). Peak memory consumption was 28.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 16505.91 ms. Allocated memory was 75.5 MB in the beginning and 92.3 MB in the end (delta: 16.8 MB). Free memory was 53.8 MB in the beginning and 66.7 MB in the end (delta: -12.9 MB). Peak memory consumption was 39.4 MB. Max. memory is 16.1 GB. * Witness Printer took 119.26 ms. Allocated memory is still 92.3 MB. Free memory was 66.7 MB in the beginning and 59.9 MB in the end (delta: 6.8 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 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 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_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,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 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 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_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,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 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[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_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,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 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[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_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[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[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_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[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[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_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 114]: Loop Invariant [2020-11-22 13:08:21,377 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-22 13:08:21,378 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-22 13:08:21,378 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-22 13:08:21,378 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-22 13:08:21,378 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-22 13:08:21,378 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-22 13:08:21,379 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-22 13:08:21,379 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-22 13:08:21,379 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-22 13:08:21,379 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-22 13:08:21,380 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-22 13:08:21,380 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-22 13:08:21,381 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-22 13:08:21,381 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-22 13:08:21,381 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-22 13:08:21,381 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-22 13:08:21,381 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-22 13:08:21,381 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2020-11-22 13:08:21,382 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2020-11-22 13:08:21,382 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2020-11-22 13:08:21,382 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2020-11-22 13:08:21,382 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-22 13:08:21,382 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-22 13:08:21,383 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-22 13:08:21,383 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-22 13:08:21,384 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-22 13:08:21,384 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-22 13:08:21,384 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-22 13:08:21,385 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-22 13:08:21,385 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-22 13:08:21,385 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-22 13:08:21,385 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-22 13:08:21,385 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-22 13:08:21,386 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-22 13:08:21,386 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-22 13:08:21,386 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-22 13:08:21,386 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-22 13:08:21,386 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-22 13:08:21,386 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-22 13:08:21,387 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-22 13:08:21,387 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-22 13:08:21,387 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2020-11-22 13:08:21,387 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2020-11-22 13:08:21,387 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2020-11-22 13:08:21,387 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2020-11-22 13:08:21,388 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-22 13:08:21,388 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-22 13:08:21,388 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: ((((((~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()))) == ~fp~LONGDOUBLE(ix[31:31], ix[30:23], ix[22:0]) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()))) == x) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()))) == \result) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE()) == ~fp~LONGDOUBLE(sx[31:31], sx[30:23], sx[22:0]))) && x == ~fp.div~FLOAT(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0), ~Pluszero~LONGDOUBLE())) && (\exists ULTIMATE.start___ieee754_expf_~sx~0 : bv32, currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE()) == ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_expf_~sx~0[31:31], ULTIMATE.start___ieee754_expf_~sx~0[30:23], ULTIMATE.start___ieee754_expf_~sx~0[22:0]) && hx == ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_expf_~sx~0)) - InvariantResult [Line: 99]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 116]: Loop Invariant [2020-11-22 13:08:21,389 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-22 13:08:21,390 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-22 13:08:21,390 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-22 13:08:21,390 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-22 13:08:21,390 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-22 13:08:21,390 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-22 13:08:21,390 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-22 13:08:21,391 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-22 13:08:21,391 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-22 13:08:21,391 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-22 13:08:21,391 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-22 13:08:21,393 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-22 13:08:21,393 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-22 13:08:21,393 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2020-11-22 13:08:21,393 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2020-11-22 13:08:21,393 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2020-11-22 13:08:21,394 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2020-11-22 13:08:21,394 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-22 13:08:21,394 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-22 13:08:21,394 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-22 13:08:21,395 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-22 13:08:21,395 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-22 13:08:21,395 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-22 13:08:21,395 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-22 13:08:21,395 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-22 13:08:21,396 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-22 13:08:21,396 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-22 13:08:21,396 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-22 13:08:21,396 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-22 13:08:21,396 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-22 13:08:21,396 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-22 13:08:21,397 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-22 13:08:21,397 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-22 13:08:21,397 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2020-11-22 13:08:21,397 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2020-11-22 13:08:21,397 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2020-11-22 13:08:21,397 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2020-11-22 13:08:21,398 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-22 13:08:21,398 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-22 13:08:21,398 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: ((((unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven && ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()))) == x) && ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()))) == \result) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE()) == ~fp~LONGDOUBLE(sx[31:31], sx[30:23], sx[22:0]))) && x == ~fp.div~FLOAT(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0), ~Pluszero~LONGDOUBLE())) && (\exists ULTIMATE.start___ieee754_expf_~sx~0 : bv32, currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE()) == ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_expf_~sx~0[31:31], ULTIMATE.start___ieee754_expf_~sx~0[30:23], ULTIMATE.start___ieee754_expf_~sx~0[22:0]) && hx == ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_expf_~sx~0)) - InvariantResult [Line: 38]: Loop Invariant [2020-11-22 13:08:21,403 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-22 13:08:21,404 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-22 13:08:21,404 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-22 13:08:21,404 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-22 13:08:21,404 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-22 13:08:21,404 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-22 13:08:21,404 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-22 13:08:21,405 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-22 13:08:21,405 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-22 13:08:21,405 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2020-11-22 13:08:21,405 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2020-11-22 13:08:21,405 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2020-11-22 13:08:21,405 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2020-11-22 13:08:21,405 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-22 13:08:21,406 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-22 13:08:21,406 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-22 13:08:21,406 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-22 13:08:21,406 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-22 13:08:21,407 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-22 13:08:21,408 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-22 13:08:21,408 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-22 13:08:21,408 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-22 13:08:21,408 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-22 13:08:21,409 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-22 13:08:21,409 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-22 13:08:21,409 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2020-11-22 13:08:21,409 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2020-11-22 13:08:21,409 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2020-11-22 13:08:21,410 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_expf_~sx~0,QUANTIFIED] [2020-11-22 13:08:21,411 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-22 13:08:21,412 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-22 13:08:21,412 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: (((unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven && ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()))) == \result) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE()) == ~fp~LONGDOUBLE(sx[31:31], sx[30:23], sx[22:0]))) && x == ~fp.div~FLOAT(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0), ~Pluszero~LONGDOUBLE())) && (\exists ULTIMATE.start___ieee754_expf_~sx~0 : bv32, currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE()) == ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_expf_~sx~0[31:31], ULTIMATE.start___ieee754_expf_~sx~0[30:23], ULTIMATE.start___ieee754_expf_~sx~0[22:0]) && hx == ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_expf_~sx~0)) - InvariantResult [Line: 125]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 43]: Loop Invariant [2020-11-22 13:08:21,413 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-22 13:08:21,413 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-22 13:08:21,413 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-22 13:08:21,413 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-22 13:08:21,413 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-22 13:08:21,414 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-22 13:08:21,414 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-22 13:08:21,414 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven && x == ~fp.div~FLOAT(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0), ~Pluszero~LONGDOUBLE()) - InvariantResult [Line: 86]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 41 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 15.9s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 1.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 76 SDtfs, 138 SDslu, 95 SDs, 0 SdLazy, 89 SolverSat, 12 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 114 GetRequests, 76 SyntacticMatches, 1 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 11.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=41occurred 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, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 7 PreInvPairs, 12 NumberOfFragments, 242 HoareAnnotationTreeSize, 7 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 36 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.7s SatisfiabilityAnalysisTime, 11.0s InterpolantComputationTime, 56 NumberOfCodeBlocks, 56 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 104 ConstructedInterpolants, 21 QuantifiedInterpolants, 9485 SizeOfPredicates, 27 NumberOfNonLiveVariables, 358 ConjunctsInSsa, 33 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...