./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_0250a.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 7b2dab56 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_e2b92e4d-2ef2-4311-bd2a-00ee60871873/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_e2b92e4d-2ef2-4311-bd2a-00ee60871873/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_e2b92e4d-2ef2-4311-bd2a-00ee60871873/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_e2b92e4d-2ef2-4311-bd2a-00ee60871873/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0250a.c -s /tmp/vcloud-vcloud-master/worker/run_dir_e2b92e4d-2ef2-4311-bd2a-00ee60871873/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_e2b92e4d-2ef2-4311-bd2a-00ee60871873/bin/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4be0bc4cd46b95b0d49f59a081442b7e454af9af ................................................................................................................................................................................................................................................................................................................. Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_e2b92e4d-2ef2-4311-bd2a-00ee60871873/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_e2b92e4d-2ef2-4311-bd2a-00ee60871873/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_e2b92e4d-2ef2-4311-bd2a-00ee60871873/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_e2b92e4d-2ef2-4311-bd2a-00ee60871873/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0250a.c -s /tmp/vcloud-vcloud-master/worker/run_dir_e2b92e4d-2ef2-4311-bd2a-00ee60871873/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_e2b92e4d-2ef2-4311-bd2a-00ee60871873/bin/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4be0bc4cd46b95b0d49f59a081442b7e454af9af ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-7b2dab5 [2020-12-09 17:43:34,664 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-09 17:43:34,666 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-09 17:43:34,714 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-09 17:43:34,714 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-09 17:43:34,715 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-09 17:43:34,717 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-09 17:43:34,719 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-09 17:43:34,721 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-09 17:43:34,721 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-09 17:43:34,722 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-09 17:43:34,723 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-09 17:43:34,724 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-09 17:43:34,725 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-09 17:43:34,726 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-09 17:43:34,727 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-09 17:43:34,728 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-09 17:43:34,728 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-09 17:43:34,730 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-09 17:43:34,732 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-09 17:43:34,733 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-09 17:43:34,735 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-09 17:43:34,736 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-09 17:43:34,737 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-09 17:43:34,740 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-09 17:43:34,741 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-09 17:43:34,741 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-09 17:43:34,742 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-09 17:43:34,743 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-09 17:43:34,744 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-09 17:43:34,744 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-09 17:43:34,745 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-09 17:43:34,746 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-09 17:43:34,747 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-09 17:43:34,749 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-09 17:43:34,749 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-09 17:43:34,749 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-09 17:43:34,750 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-09 17:43:34,750 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-09 17:43:34,750 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-09 17:43:34,751 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-09 17:43:34,752 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_e2b92e4d-2ef2-4311-bd2a-00ee60871873/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2020-12-09 17:43:34,775 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-09 17:43:34,775 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-09 17:43:34,776 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-09 17:43:34,776 INFO L138 SettingsManager]: * User list type=DISABLED [2020-12-09 17:43:34,776 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-12-09 17:43:34,776 INFO L138 SettingsManager]: * Explicit value domain=true [2020-12-09 17:43:34,777 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-12-09 17:43:34,777 INFO L138 SettingsManager]: * Octagon Domain=false [2020-12-09 17:43:34,777 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-12-09 17:43:34,777 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-12-09 17:43:34,777 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-12-09 17:43:34,777 INFO L138 SettingsManager]: * Interval Domain=false [2020-12-09 17:43:34,778 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-12-09 17:43:34,778 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-12-09 17:43:34,778 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-12-09 17:43:34,779 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-09 17:43:34,779 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-09 17:43:34,779 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-09 17:43:34,779 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-09 17:43:34,780 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-09 17:43:34,780 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-09 17:43:34,780 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-09 17:43:34,780 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-09 17:43:34,780 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-12-09 17:43:34,780 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-09 17:43:34,781 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-09 17:43:34,781 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-09 17:43:34,781 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-09 17:43:34,781 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-09 17:43:34,781 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-09 17:43:34,782 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-09 17:43:34,782 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-09 17:43:34,782 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-09 17:43:34,782 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-09 17:43:34,783 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-12-09 17:43:34,783 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-09 17:43:34,783 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-09 17:43:34,783 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-09 17:43:34,783 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-09 17:43:34,784 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_e2b92e4d-2ef2-4311-bd2a-00ee60871873/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_e2b92e4d-2ef2-4311-bd2a-00ee60871873/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4be0bc4cd46b95b0d49f59a081442b7e454af9af [2020-12-09 17:43:34,953 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-09 17:43:34,972 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-09 17:43:34,975 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-09 17:43:34,976 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-09 17:43:34,976 INFO L275 PluginConnector]: CDTParser initialized [2020-12-09 17:43:34,977 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_e2b92e4d-2ef2-4311-bd2a-00ee60871873/bin/utaipan/../../sv-benchmarks/c/float-newlib/float_req_bl_0250a.c [2020-12-09 17:43:35,017 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e2b92e4d-2ef2-4311-bd2a-00ee60871873/bin/utaipan/data/4337d1284/07ee1f8c32fc42758f9b7dcc07ff557d/FLAGc1bc4432d [2020-12-09 17:43:35,400 INFO L306 CDTParser]: Found 1 translation units. [2020-12-09 17:43:35,401 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_e2b92e4d-2ef2-4311-bd2a-00ee60871873/sv-benchmarks/c/float-newlib/float_req_bl_0250a.c [2020-12-09 17:43:35,407 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e2b92e4d-2ef2-4311-bd2a-00ee60871873/bin/utaipan/data/4337d1284/07ee1f8c32fc42758f9b7dcc07ff557d/FLAGc1bc4432d [2020-12-09 17:43:35,802 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_e2b92e4d-2ef2-4311-bd2a-00ee60871873/bin/utaipan/data/4337d1284/07ee1f8c32fc42758f9b7dcc07ff557d [2020-12-09 17:43:35,806 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-09 17:43:35,807 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-09 17:43:35,809 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-09 17:43:35,809 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-09 17:43:35,813 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-09 17:43:35,814 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 05:43:35" (1/1) ... [2020-12-09 17:43:35,816 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67f13a41 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:43:35, skipping insertion in model container [2020-12-09 17:43:35,816 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 05:43:35" (1/1) ... [2020-12-09 17:43:35,824 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-09 17:43:35,842 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-09 17:43:35,977 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_e2b92e4d-2ef2-4311-bd2a-00ee60871873/sv-benchmarks/c/float-newlib/float_req_bl_0250a.c[5433,5446] [2020-12-09 17:43:35,979 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 17:43:35,986 INFO L203 MainTranslator]: Completed pre-run [2020-12-09 17:43:36,018 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_e2b92e4d-2ef2-4311-bd2a-00ee60871873/sv-benchmarks/c/float-newlib/float_req_bl_0250a.c[5433,5446] [2020-12-09 17:43:36,019 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 17:43:36,030 INFO L208 MainTranslator]: Completed translation [2020-12-09 17:43:36,031 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:43:36 WrapperNode [2020-12-09 17:43:36,031 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-09 17:43:36,031 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-09 17:43:36,032 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-09 17:43:36,032 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-09 17:43:36,037 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:43:36" (1/1) ... [2020-12-09 17:43:36,045 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:43:36" (1/1) ... [2020-12-09 17:43:36,066 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-09 17:43:36,067 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-09 17:43:36,067 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-09 17:43:36,067 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-09 17:43:36,073 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:43:36" (1/1) ... [2020-12-09 17:43:36,073 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:43:36" (1/1) ... [2020-12-09 17:43:36,076 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:43:36" (1/1) ... [2020-12-09 17:43:36,076 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:43:36" (1/1) ... [2020-12-09 17:43:36,083 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:43:36" (1/1) ... [2020-12-09 17:43:36,088 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:43:36" (1/1) ... [2020-12-09 17:43:36,090 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:43:36" (1/1) ... [2020-12-09 17:43:36,092 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-09 17:43:36,093 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-09 17:43:36,093 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-09 17:43:36,093 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-09 17:43:36,094 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:43:36" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e2b92e4d-2ef2-4311-bd2a-00ee60871873/bin/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-09 17:43:36,146 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-09 17:43:36,146 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-09 17:43:36,146 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-12-09 17:43:36,147 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-12-09 17:43:36,147 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-12-09 17:43:36,147 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-09 17:43:36,147 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-09 17:43:36,147 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-12-09 17:43:36,147 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-09 17:43:36,587 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-09 17:43:36,588 INFO L299 CfgBuilder]: Removed 28 assume(true) statements. [2020-12-09 17:43:36,589 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 05:43:36 BoogieIcfgContainer [2020-12-09 17:43:36,589 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-09 17:43:36,590 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-09 17:43:36,590 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-09 17:43:36,593 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-09 17:43:36,593 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 05:43:35" (1/3) ... [2020-12-09 17:43:36,594 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42857b78 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 05:43:36, skipping insertion in model container [2020-12-09 17:43:36,594 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:43:36" (2/3) ... [2020-12-09 17:43:36,594 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42857b78 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 05:43:36, skipping insertion in model container [2020-12-09 17:43:36,594 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 05:43:36" (3/3) ... [2020-12-09 17:43:36,595 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_0250a.c [2020-12-09 17:43:36,605 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-09 17:43:36,607 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-09 17:43:36,614 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-09 17:43:36,631 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-09 17:43:36,631 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-09 17:43:36,631 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-09 17:43:36,632 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-09 17:43:36,632 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-09 17:43:36,632 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-09 17:43:36,632 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-09 17:43:36,632 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-09 17:43:36,641 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states. [2020-12-09 17:43:36,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-12-09 17:43:36,645 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 17:43:36,645 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2020-12-09 17:43:36,645 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 17:43:36,649 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 17:43:36,649 INFO L82 PathProgramCache]: Analyzing trace with hash -1677985479, now seen corresponding path program 1 times [2020-12-09 17:43:36,655 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 17:43:36,656 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [189377750] [2020-12-09 17:43:36,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 17:43:36,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 17:43:36,757 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 17:43:36,758 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [189377750] [2020-12-09 17:43:36,758 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 17:43:36,758 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-09 17:43:36,759 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1851522617] [2020-12-09 17:43:36,763 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-09 17:43:36,763 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 17:43:36,775 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-09 17:43:36,776 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-09 17:43:36,777 INFO L87 Difference]: Start difference. First operand 42 states. Second operand 2 states. [2020-12-09 17:43:36,794 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 17:43:36,794 INFO L93 Difference]: Finished difference Result 83 states and 135 transitions. [2020-12-09 17:43:36,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-09 17:43:36,795 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 7 [2020-12-09 17:43:36,795 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 17:43:36,803 INFO L225 Difference]: With dead ends: 83 [2020-12-09 17:43:36,803 INFO L226 Difference]: Without dead ends: 40 [2020-12-09 17:43:36,806 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-09 17:43:36,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2020-12-09 17:43:36,832 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2020-12-09 17:43:36,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2020-12-09 17:43:36,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 51 transitions. [2020-12-09 17:43:36,835 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 51 transitions. Word has length 7 [2020-12-09 17:43:36,835 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 17:43:36,835 INFO L481 AbstractCegarLoop]: Abstraction has 40 states and 51 transitions. [2020-12-09 17:43:36,836 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-09 17:43:36,836 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 51 transitions. [2020-12-09 17:43:36,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-12-09 17:43:36,836 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 17:43:36,836 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 17:43:36,836 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-09 17:43:36,836 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 17:43:36,837 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 17:43:36,837 INFO L82 PathProgramCache]: Analyzing trace with hash 1747273148, now seen corresponding path program 1 times [2020-12-09 17:43:36,837 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 17:43:36,837 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [742932096] [2020-12-09 17:43:36,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 17:43:36,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-09 17:43:36,867 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-09 17:43:36,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-09 17:43:36,888 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-09 17:43:36,905 INFO L173 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2020-12-09 17:43:36,905 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-12-09 17:43:36,906 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-09 17:43:36,927 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 05:43:36 BoogieIcfgContainer [2020-12-09 17:43:36,927 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-09 17:43:36,928 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-09 17:43:36,928 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-09 17:43:36,928 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-09 17:43:36,928 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 05:43:36" (3/4) ... [2020-12-09 17:43:36,930 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-12-09 17:43:36,930 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-09 17:43:36,932 INFO L168 Benchmark]: Toolchain (without parser) took 1123.87 ms. Allocated memory is still 117.4 MB. Free memory was 95.8 MB in the beginning and 62.0 MB in the end (delta: 33.8 MB). Peak memory consumption was 31.6 MB. Max. memory is 16.1 GB. [2020-12-09 17:43:36,932 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 117.4 MB. Free memory is still 82.1 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-09 17:43:36,933 INFO L168 Benchmark]: CACSL2BoogieTranslator took 222.06 ms. Allocated memory is still 117.4 MB. Free memory was 95.8 MB in the beginning and 89.5 MB in the end (delta: 6.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-12-09 17:43:36,933 INFO L168 Benchmark]: Boogie Procedure Inliner took 34.64 ms. Allocated memory is still 117.4 MB. Free memory was 89.5 MB in the beginning and 87.1 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-09 17:43:36,934 INFO L168 Benchmark]: Boogie Preprocessor took 26.08 ms. Allocated memory is still 117.4 MB. Free memory was 87.1 MB in the beginning and 85.3 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-09 17:43:36,934 INFO L168 Benchmark]: RCFGBuilder took 496.10 ms. Allocated memory is still 117.4 MB. Free memory was 85.3 MB in the beginning and 86.6 MB in the end (delta: -1.2 MB). Peak memory consumption was 40.6 MB. Max. memory is 16.1 GB. [2020-12-09 17:43:36,935 INFO L168 Benchmark]: TraceAbstraction took 337.05 ms. Allocated memory is still 117.4 MB. Free memory was 85.6 MB in the beginning and 62.0 MB in the end (delta: 23.6 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.1 GB. [2020-12-09 17:43:36,935 INFO L168 Benchmark]: Witness Printer took 2.86 ms. Allocated memory is still 117.4 MB. Free memory is still 62.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-09 17:43:36,937 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 117.4 MB. Free memory is still 82.1 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 222.06 ms. Allocated memory is still 117.4 MB. Free memory was 95.8 MB in the beginning and 89.5 MB in the end (delta: 6.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 34.64 ms. Allocated memory is still 117.4 MB. Free memory was 89.5 MB in the beginning and 87.1 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 26.08 ms. Allocated memory is still 117.4 MB. Free memory was 87.1 MB in the beginning and 85.3 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 496.10 ms. Allocated memory is still 117.4 MB. Free memory was 85.3 MB in the beginning and 86.6 MB in the end (delta: -1.2 MB). Peak memory consumption was 40.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 337.05 ms. Allocated memory is still 117.4 MB. Free memory was 85.6 MB in the beginning and 62.0 MB in the end (delta: 23.6 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.1 GB. * Witness Printer took 2.86 ms. Allocated memory is still 117.4 MB. Free memory is still 62.0 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 235]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 60, overapproximation of someUnaryDOUBLEoperation at line 149, overapproximation of bitwiseAnd at line 163, overapproximation of someUnaryFLOAToperation at line 147, overapproximation of someBinaryArithmeticFLOAToperation at line 166. Possible FailurePath: [L14] static const float huge_floor = 1.0e30; [L62] static const float one_sqrt = 1.0, tiny_sqrt = 1.0e-30; [L145-L153] static const float one_asin = 1.0000000000e+00, huge_asin = 1.000e+30, pio2_hi_asin = 1.57079637050628662109375f, pio2_lo_asin = -4.37113900018624283e-8f, pio4_hi_asin = 0.785398185253143310546875f, pS0_asin = 1.6666667163e-01, pS1_asin = -3.2556581497e-01, pS2_asin = 2.0121252537e-01, pS3_asin = -4.0055535734e-02, pS4_asin = 7.9153501429e-04, pS5_asin = 3.4793309169e-05, qS1_asin = -2.4033949375e+00, qS2_asin = 2.0209457874e+00, qS3_asin = -6.8828397989e-01, qS4_asin = 7.7038154006e-02; [L230] float x = 1.0f / 0.0f; [L156] float t, w, p, q, c, r, s; [L157] __int32_t hx, ix; VAL [huge_asin=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] [L159] ieee_float_shape_type gf_u; [L160] gf_u.value = (x) [L161] EXPR gf_u.word [L161] (hx) = gf_u.word [L163] ix = hx & 0x7fffffff VAL [huge_asin=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] [L164] COND TRUE ix == 0x3f800000 [L166] return x * pio2_hi_asin + x * pio2_lo_asin; VAL [huge_asin=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] [L231] float res = __ieee754_asinf(x); [L60] return x != x; [L234] COND TRUE !isnan_float(res) [L235] reach_error() VAL [huge_asin=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 42 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.2s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 53 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=42occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 15 NumberOfCodeBlocks, 15 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 6 ConstructedInterpolants, 0 QuantifiedInterpolants, 36 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-7b2dab5 [2020-12-09 17:43:38,502 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-09 17:43:38,503 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-09 17:43:38,528 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-09 17:43:38,528 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-09 17:43:38,529 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-09 17:43:38,530 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-09 17:43:38,532 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-09 17:43:38,534 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-09 17:43:38,534 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-09 17:43:38,535 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-09 17:43:38,536 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-09 17:43:38,537 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-09 17:43:38,538 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-09 17:43:38,538 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-09 17:43:38,539 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-09 17:43:38,540 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-09 17:43:38,541 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-09 17:43:38,542 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-09 17:43:38,544 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-09 17:43:38,545 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-09 17:43:38,547 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-09 17:43:38,548 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-09 17:43:38,548 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-09 17:43:38,551 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-09 17:43:38,551 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-09 17:43:38,551 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-09 17:43:38,552 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-09 17:43:38,552 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-09 17:43:38,553 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-09 17:43:38,553 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-09 17:43:38,554 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-09 17:43:38,555 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-09 17:43:38,555 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-09 17:43:38,556 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-09 17:43:38,556 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-09 17:43:38,556 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-09 17:43:38,557 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-09 17:43:38,557 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-09 17:43:38,557 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-09 17:43:38,558 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-09 17:43:38,558 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_e2b92e4d-2ef2-4311-bd2a-00ee60871873/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2020-12-09 17:43:38,575 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-09 17:43:38,575 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-09 17:43:38,576 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-09 17:43:38,576 INFO L138 SettingsManager]: * User list type=DISABLED [2020-12-09 17:43:38,576 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-12-09 17:43:38,576 INFO L138 SettingsManager]: * Explicit value domain=true [2020-12-09 17:43:38,577 INFO L138 SettingsManager]: * Octagon Domain=false [2020-12-09 17:43:38,577 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-12-09 17:43:38,577 INFO L138 SettingsManager]: * Interval Domain=false [2020-12-09 17:43:38,577 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-09 17:43:38,577 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-09 17:43:38,578 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-09 17:43:38,578 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-09 17:43:38,578 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-09 17:43:38,578 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-09 17:43:38,578 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-09 17:43:38,578 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-12-09 17:43:38,578 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-12-09 17:43:38,578 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-12-09 17:43:38,579 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-09 17:43:38,579 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-09 17:43:38,579 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-09 17:43:38,579 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-09 17:43:38,579 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-09 17:43:38,579 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-09 17:43:38,579 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-09 17:43:38,580 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-09 17:43:38,580 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-09 17:43:38,580 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-09 17:43:38,580 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-09 17:43:38,580 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-12-09 17:43:38,580 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2020-12-09 17:43:38,580 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-09 17:43:38,580 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-09 17:43:38,581 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-09 17:43:38,581 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_e2b92e4d-2ef2-4311-bd2a-00ee60871873/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_e2b92e4d-2ef2-4311-bd2a-00ee60871873/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4be0bc4cd46b95b0d49f59a081442b7e454af9af [2020-12-09 17:43:38,825 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-09 17:43:38,846 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-09 17:43:38,848 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-09 17:43:38,849 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-09 17:43:38,850 INFO L275 PluginConnector]: CDTParser initialized [2020-12-09 17:43:38,851 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_e2b92e4d-2ef2-4311-bd2a-00ee60871873/bin/utaipan/../../sv-benchmarks/c/float-newlib/float_req_bl_0250a.c [2020-12-09 17:43:38,896 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e2b92e4d-2ef2-4311-bd2a-00ee60871873/bin/utaipan/data/838892935/b0eb5f7c88a64870bbbea9bbd9b7afb7/FLAGdd8b5bb5a [2020-12-09 17:43:39,273 INFO L306 CDTParser]: Found 1 translation units. [2020-12-09 17:43:39,274 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_e2b92e4d-2ef2-4311-bd2a-00ee60871873/sv-benchmarks/c/float-newlib/float_req_bl_0250a.c [2020-12-09 17:43:39,280 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e2b92e4d-2ef2-4311-bd2a-00ee60871873/bin/utaipan/data/838892935/b0eb5f7c88a64870bbbea9bbd9b7afb7/FLAGdd8b5bb5a [2020-12-09 17:43:39,290 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_e2b92e4d-2ef2-4311-bd2a-00ee60871873/bin/utaipan/data/838892935/b0eb5f7c88a64870bbbea9bbd9b7afb7 [2020-12-09 17:43:39,292 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-09 17:43:39,293 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-09 17:43:39,294 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-09 17:43:39,294 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-09 17:43:39,297 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-09 17:43:39,297 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 05:43:39" (1/1) ... [2020-12-09 17:43:39,298 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f8e3fc6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:43:39, skipping insertion in model container [2020-12-09 17:43:39,299 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 05:43:39" (1/1) ... [2020-12-09 17:43:39,303 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-09 17:43:39,321 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-09 17:43:39,457 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_e2b92e4d-2ef2-4311-bd2a-00ee60871873/sv-benchmarks/c/float-newlib/float_req_bl_0250a.c[5433,5446] [2020-12-09 17:43:39,460 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 17:43:39,470 INFO L203 MainTranslator]: Completed pre-run [2020-12-09 17:43:39,523 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_e2b92e4d-2ef2-4311-bd2a-00ee60871873/sv-benchmarks/c/float-newlib/float_req_bl_0250a.c[5433,5446] [2020-12-09 17:43:39,523 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 17:43:39,537 INFO L208 MainTranslator]: Completed translation [2020-12-09 17:43:39,538 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:43:39 WrapperNode [2020-12-09 17:43:39,538 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-09 17:43:39,538 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-09 17:43:39,539 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-09 17:43:39,539 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-09 17:43:39,543 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:43:39" (1/1) ... [2020-12-09 17:43:39,554 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:43:39" (1/1) ... [2020-12-09 17:43:39,575 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-09 17:43:39,576 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-09 17:43:39,576 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-09 17:43:39,576 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-09 17:43:39,582 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:43:39" (1/1) ... [2020-12-09 17:43:39,583 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:43:39" (1/1) ... [2020-12-09 17:43:39,587 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:43:39" (1/1) ... [2020-12-09 17:43:39,587 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:43:39" (1/1) ... [2020-12-09 17:43:39,597 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:43:39" (1/1) ... [2020-12-09 17:43:39,601 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:43:39" (1/1) ... [2020-12-09 17:43:39,604 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:43:39" (1/1) ... [2020-12-09 17:43:39,608 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-09 17:43:39,609 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-09 17:43:39,609 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-09 17:43:39,609 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-09 17:43:39,610 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:43:39" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e2b92e4d-2ef2-4311-bd2a-00ee60871873/bin/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-09 17:43:39,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-12-09 17:43:39,673 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-09 17:43:39,673 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2020-12-09 17:43:39,673 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-12-09 17:43:39,673 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-09 17:43:39,674 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-09 17:43:39,674 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2020-12-09 17:43:39,674 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-12-09 17:43:39,674 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-09 17:43:52,622 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-09 17:43:52,622 INFO L299 CfgBuilder]: Removed 28 assume(true) statements. [2020-12-09 17:43:52,623 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 05:43:52 BoogieIcfgContainer [2020-12-09 17:43:52,623 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-09 17:43:52,625 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-09 17:43:52,625 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-09 17:43:52,628 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-09 17:43:52,628 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 05:43:39" (1/3) ... [2020-12-09 17:43:52,628 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d2b430 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 05:43:52, skipping insertion in model container [2020-12-09 17:43:52,629 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:43:39" (2/3) ... [2020-12-09 17:43:52,629 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d2b430 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 05:43:52, skipping insertion in model container [2020-12-09 17:43:52,629 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 05:43:52" (3/3) ... [2020-12-09 17:43:52,630 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_0250a.c [2020-12-09 17:43:52,641 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-09 17:43:52,643 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-09 17:43:52,651 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-09 17:43:52,667 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-09 17:43:52,668 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-09 17:43:52,668 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-09 17:43:52,668 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-09 17:43:52,668 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-09 17:43:52,668 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-09 17:43:52,668 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-09 17:43:52,668 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-09 17:43:52,678 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states. [2020-12-09 17:43:52,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-12-09 17:43:52,681 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 17:43:52,682 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 17:43:52,682 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 17:43:52,686 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 17:43:52,686 INFO L82 PathProgramCache]: Analyzing trace with hash -1900532880, now seen corresponding path program 1 times [2020-12-09 17:43:52,694 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 17:43:52,694 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1650286508] [2020-12-09 17:43:52,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e2b92e4d-2ef2-4311-bd2a-00ee60871873/bin/utaipan/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2020-12-09 17:43:53,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 17:43:53,214 INFO L263 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 1 conjunts are in the unsatisfiable core [2020-12-09 17:43:53,217 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 17:43:53,234 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 17:43:53,234 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 17:43:53,235 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1650286508] [2020-12-09 17:43:53,235 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 17:43:53,235 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-09 17:43:53,236 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [704574457] [2020-12-09 17:43:53,238 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-09 17:43:53,238 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 17:43:53,246 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-09 17:43:53,247 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-09 17:43:53,248 INFO L87 Difference]: Start difference. First operand 56 states. Second operand 2 states. [2020-12-09 17:43:53,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 17:43:53,262 INFO L93 Difference]: Finished difference Result 110 states and 178 transitions. [2020-12-09 17:43:53,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-09 17:43:53,263 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 9 [2020-12-09 17:43:53,263 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 17:43:53,269 INFO L225 Difference]: With dead ends: 110 [2020-12-09 17:43:53,270 INFO L226 Difference]: Without dead ends: 53 [2020-12-09 17:43:53,271 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-09 17:43:53,282 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2020-12-09 17:43:53,293 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2020-12-09 17:43:53,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2020-12-09 17:43:53,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 70 transitions. [2020-12-09 17:43:53,296 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 70 transitions. Word has length 9 [2020-12-09 17:43:53,296 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 17:43:53,296 INFO L481 AbstractCegarLoop]: Abstraction has 53 states and 70 transitions. [2020-12-09 17:43:53,296 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-09 17:43:53,296 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 70 transitions. [2020-12-09 17:43:53,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-12-09 17:43:53,297 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 17:43:53,297 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 17:43:53,498 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-12-09 17:43:53,498 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 17:43:53,499 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 17:43:53,499 INFO L82 PathProgramCache]: Analyzing trace with hash 1487817933, now seen corresponding path program 1 times [2020-12-09 17:43:53,499 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 17:43:53,500 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1384789888] [2020-12-09 17:43:53,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e2b92e4d-2ef2-4311-bd2a-00ee60871873/bin/utaipan/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2020-12-09 17:43:53,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 17:43:54,003 INFO L263 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 8 conjunts are in the unsatisfiable core [2020-12-09 17:43:54,004 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 17:43:54,199 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 17:43:54,199 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 17:43:54,199 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1384789888] [2020-12-09 17:43:54,200 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 17:43:54,200 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-09 17:43:54,200 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1702703154] [2020-12-09 17:43:54,201 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-09 17:43:54,201 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 17:43:54,202 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-09 17:43:54,202 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-09 17:43:54,202 INFO L87 Difference]: Start difference. First operand 53 states and 70 transitions. Second operand 5 states. [2020-12-09 17:43:55,391 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 17:43:55,391 INFO L93 Difference]: Finished difference Result 58 states and 74 transitions. [2020-12-09 17:43:55,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-09 17:43:55,392 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 10 [2020-12-09 17:43:55,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 17:43:55,393 INFO L225 Difference]: With dead ends: 58 [2020-12-09 17:43:55,393 INFO L226 Difference]: Without dead ends: 12 [2020-12-09 17:43:55,394 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-12-09 17:43:55,394 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states. [2020-12-09 17:43:55,397 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 12. [2020-12-09 17:43:55,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2020-12-09 17:43:55,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 11 transitions. [2020-12-09 17:43:55,397 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 11 transitions. Word has length 10 [2020-12-09 17:43:55,398 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 17:43:55,398 INFO L481 AbstractCegarLoop]: Abstraction has 12 states and 11 transitions. [2020-12-09 17:43:55,398 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-09 17:43:55,398 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 11 transitions. [2020-12-09 17:43:55,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-12-09 17:43:55,399 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 17:43:55,399 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 17:43:55,599 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-12-09 17:43:55,601 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 17:43:55,603 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 17:43:55,604 INFO L82 PathProgramCache]: Analyzing trace with hash -1242404338, now seen corresponding path program 1 times [2020-12-09 17:43:55,605 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 17:43:55,606 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1615384025] [2020-12-09 17:43:55,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e2b92e4d-2ef2-4311-bd2a-00ee60871873/bin/utaipan/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2020-12-09 17:43:56,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 17:43:56,177 INFO L263 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 11 conjunts are in the unsatisfiable core [2020-12-09 17:43:56,178 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 17:43:56,519 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 17:43:56,520 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 17:43:56,520 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1615384025] [2020-12-09 17:43:56,520 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 17:43:56,520 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-12-09 17:43:56,520 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [174837469] [2020-12-09 17:43:56,521 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-12-09 17:43:56,521 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 17:43:56,522 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-12-09 17:43:56,522 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-12-09 17:43:56,522 INFO L87 Difference]: Start difference. First operand 12 states and 11 transitions. Second operand 7 states. [2020-12-09 17:43:57,981 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 17:43:57,982 INFO L93 Difference]: Finished difference Result 12 states and 11 transitions. [2020-12-09 17:43:57,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-12-09 17:43:57,982 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 11 [2020-12-09 17:43:57,982 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 17:43:57,982 INFO L225 Difference]: With dead ends: 12 [2020-12-09 17:43:57,982 INFO L226 Difference]: Without dead ends: 0 [2020-12-09 17:43:57,983 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2020-12-09 17:43:57,983 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-09 17:43:57,983 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-09 17:43:57,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-09 17:43:57,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-09 17:43:57,984 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 11 [2020-12-09 17:43:57,984 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 17:43:57,984 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-09 17:43:57,984 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-12-09 17:43:57,984 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-09 17:43:57,984 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-09 17:43:58,185 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-12-09 17:43:58,189 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-12-09 17:43:58,572 WARN L197 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 30 [2020-12-09 17:43:58,818 WARN L197 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 33 [2020-12-09 17:43:58,865 INFO L262 CegarLoopResult]: For program point L85(lines 85 89) no Hoare annotation was computed. [2020-12-09 17:43:58,865 INFO L262 CegarLoopResult]: For program point L85-2(lines 85 89) no Hoare annotation was computed. [2020-12-09 17:43:58,865 INFO L262 CegarLoopResult]: For program point L234(lines 234 237) no Hoare annotation was computed. [2020-12-09 17:43:58,865 INFO L262 CegarLoopResult]: For program point L201-1(lines 201 205) no Hoare annotation was computed. [2020-12-09 17:43:58,865 INFO L258 CegarLoopResult]: At program point L201-2(lines 201 205) the Hoare annotation is: false [2020-12-09 17:43:58,865 INFO L262 CegarLoopResult]: For program point L102(lines 102 106) no Hoare annotation was computed. [2020-12-09 17:43:58,866 INFO L262 CegarLoopResult]: For program point L69-1(lines 69 73) no Hoare annotation was computed. [2020-12-09 17:43:58,866 INFO L262 CegarLoopResult]: For program point L102-2(lines 102 106) no Hoare annotation was computed. [2020-12-09 17:43:58,866 INFO L258 CegarLoopResult]: At program point L69-2(lines 69 73) the Hoare annotation is: false [2020-12-09 17:43:58,866 INFO L262 CegarLoopResult]: For program point L69-3(lines 69 73) no Hoare annotation was computed. [2020-12-09 17:43:58,866 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-12-09 17:43:58,866 INFO L262 CegarLoopResult]: For program point L86-2(lines 86 87) no Hoare annotation was computed. [2020-12-09 17:43:58,866 INFO L258 CegarLoopResult]: At program point L86-3(lines 86 87) the Hoare annotation is: false [2020-12-09 17:43:58,866 INFO L262 CegarLoopResult]: For program point L86-4(lines 86 87) no Hoare annotation was computed. [2020-12-09 17:43:58,866 INFO L262 CegarLoopResult]: For program point L235(line 235) no Hoare annotation was computed. [2020-12-09 17:43:58,867 INFO L262 CegarLoopResult]: For program point L169(lines 169 184) no Hoare annotation was computed. [2020-12-09 17:43:58,867 INFO L262 CegarLoopResult]: For program point L169-1(lines 169 184) no Hoare annotation was computed. [2020-12-09 17:43:58,867 INFO L262 CegarLoopResult]: For program point L170(lines 170 183) no Hoare annotation was computed. [2020-12-09 17:43:58,867 INFO L262 CegarLoopResult]: For program point L137(lines 137 141) no Hoare annotation was computed. [2020-12-09 17:43:58,867 INFO L262 CegarLoopResult]: For program point L137-1(lines 130 143) no Hoare annotation was computed. [2020-12-09 17:43:58,867 INFO L262 CegarLoopResult]: For program point L137-2(lines 137 141) no Hoare annotation was computed. [2020-12-09 17:43:58,867 INFO L258 CegarLoopResult]: At program point L220(lines 155 221) the Hoare annotation is: (and (= |ULTIMATE.start___ieee754_asinf_#res| (let ((.cse0 (let ((.cse1 (fp.div roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven 1.0) (_ +zero 8 24)))) (fp.sub roundNearestTiesToEven .cse1 .cse1)))) (fp.div roundNearestTiesToEven .cse0 .cse0))) (exists ((currentRoundingMode RoundingMode)) (= (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)) (fp ((_ extract 31 31) ULTIMATE.start___ieee754_asinf_~hx~1) ((_ extract 30 23) ULTIMATE.start___ieee754_asinf_~hx~1) ((_ extract 22 0) ULTIMATE.start___ieee754_asinf_~hx~1)))) (= currentRoundingMode roundNearestTiesToEven) (exists ((ULTIMATE.start___ieee754_asinf_~hx~1 (_ BitVec 32)) (currentRoundingMode RoundingMode)) (and (= ULTIMATE.start___ieee754_asinf_~ix~3 (bvand (_ bv2147483647 32) ULTIMATE.start___ieee754_asinf_~hx~1)) (= (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)) (fp ((_ extract 31 31) ULTIMATE.start___ieee754_asinf_~hx~1) ((_ extract 30 23) ULTIMATE.start___ieee754_asinf_~hx~1) ((_ extract 22 0) ULTIMATE.start___ieee754_asinf_~hx~1))))) (exists ((currentRoundingMode RoundingMode)) (= ULTIMATE.start___ieee754_asinf_~x (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24))))) [2020-12-09 17:43:58,868 INFO L262 CegarLoopResult]: For program point L171(lines 171 172) no Hoare annotation was computed. [2020-12-09 17:43:58,868 INFO L262 CegarLoopResult]: For program point L123-1(lines 123 127) no Hoare annotation was computed. [2020-12-09 17:43:58,868 INFO L258 CegarLoopResult]: At program point L123-2(lines 123 127) the Hoare annotation is: false [2020-12-09 17:43:58,868 INFO L262 CegarLoopResult]: For program point L123-3(lines 123 127) no Hoare annotation was computed. [2020-12-09 17:43:58,868 INFO L265 CegarLoopResult]: At program point L239(lines 223 240) the Hoare annotation is: true [2020-12-09 17:43:58,868 INFO L262 CegarLoopResult]: For program point L206(lines 206 210) no Hoare annotation was computed. [2020-12-09 17:43:58,868 INFO L262 CegarLoopResult]: For program point L206-1(lines 198 216) no Hoare annotation was computed. [2020-12-09 17:43:58,868 INFO L262 CegarLoopResult]: For program point L206-2(lines 206 210) no Hoare annotation was computed. [2020-12-09 17:43:58,868 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-12-09 17:43:58,869 INFO L262 CegarLoopResult]: For program point L158-1(lines 158 162) no Hoare annotation was computed. [2020-12-09 17:43:58,869 INFO L258 CegarLoopResult]: At program point L158-2(lines 158 162) the Hoare annotation is: (and (= currentRoundingMode roundNearestTiesToEven) (exists ((currentRoundingMode RoundingMode)) (= ULTIMATE.start___ieee754_asinf_~x (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24))))) [2020-12-09 17:43:58,869 INFO L262 CegarLoopResult]: For program point L92(lines 92 93) no Hoare annotation was computed. [2020-12-09 17:43:58,869 INFO L262 CegarLoopResult]: For program point L158-3(lines 158 162) no Hoare annotation was computed. [2020-12-09 17:43:58,869 INFO L262 CegarLoopResult]: For program point L92-2(lines 92 93) no Hoare annotation was computed. [2020-12-09 17:43:58,869 INFO L258 CegarLoopResult]: At program point L142(lines 130 143) the Hoare annotation is: false [2020-12-09 17:43:58,869 INFO L262 CegarLoopResult]: For program point L76(lines 76 77) no Hoare annotation was computed. [2020-12-09 17:43:58,869 INFO L258 CegarLoopResult]: At program point L60(line 60) the Hoare annotation is: (and (= |ULTIMATE.start___ieee754_asinf_#res| (let ((.cse0 (let ((.cse1 (fp.div roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven 1.0) (_ +zero 8 24)))) (fp.sub roundNearestTiesToEven .cse1 .cse1)))) (fp.div roundNearestTiesToEven .cse0 .cse0))) (exists ((currentRoundingMode RoundingMode)) (= (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)) (fp ((_ extract 31 31) ULTIMATE.start___ieee754_asinf_~hx~1) ((_ extract 30 23) ULTIMATE.start___ieee754_asinf_~hx~1) ((_ extract 22 0) ULTIMATE.start___ieee754_asinf_~hx~1)))) (= currentRoundingMode roundNearestTiesToEven) (exists ((ULTIMATE.start___ieee754_asinf_~hx~1 (_ BitVec 32)) (currentRoundingMode RoundingMode)) (and (= ULTIMATE.start___ieee754_asinf_~ix~3 (bvand (_ bv2147483647 32) ULTIMATE.start___ieee754_asinf_~hx~1)) (= (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)) (fp ((_ extract 31 31) ULTIMATE.start___ieee754_asinf_~hx~1) ((_ extract 30 23) ULTIMATE.start___ieee754_asinf_~hx~1) ((_ extract 22 0) ULTIMATE.start___ieee754_asinf_~hx~1))))) (= (_ bv1 32) |ULTIMATE.start_isnan_float_#res|) (exists ((currentRoundingMode RoundingMode)) (= ULTIMATE.start___ieee754_asinf_~x (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24))))) [2020-12-09 17:43:58,870 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-12-09 17:43:58,870 INFO L262 CegarLoopResult]: For program point L111(lines 111 120) no Hoare annotation was computed. [2020-12-09 17:43:58,870 INFO L258 CegarLoopResult]: At program point L128(lines 64 129) the Hoare annotation is: false [2020-12-09 17:43:58,870 INFO L262 CegarLoopResult]: For program point L79(lines 79 80) no Hoare annotation was computed. [2020-12-09 17:43:58,870 INFO L262 CegarLoopResult]: For program point L195(lines 195 216) no Hoare annotation was computed. [2020-12-09 17:43:58,870 INFO L262 CegarLoopResult]: For program point L195-2(lines 155 221) no Hoare annotation was computed. [2020-12-09 17:43:58,870 INFO L262 CegarLoopResult]: For program point L113(lines 113 119) no Hoare annotation was computed. [2020-12-09 17:43:58,870 INFO L262 CegarLoopResult]: For program point L81(lines 81 82) no Hoare annotation was computed. [2020-12-09 17:43:58,870 INFO L262 CegarLoopResult]: For program point L164(lines 164 184) no Hoare annotation was computed. [2020-12-09 17:43:58,870 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-12-09 17:43:58,871 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 235) no Hoare annotation was computed. [2020-12-09 17:43:58,871 INFO L262 CegarLoopResult]: For program point L115(lines 115 118) no Hoare annotation was computed. [2020-12-09 17:43:58,871 INFO L262 CegarLoopResult]: For program point L132-1(lines 132 136) no Hoare annotation was computed. [2020-12-09 17:43:58,871 INFO L258 CegarLoopResult]: At program point L132-2(lines 132 136) the Hoare annotation is: false [2020-12-09 17:43:58,871 INFO L258 CegarLoopResult]: At program point L100-2(lines 100 109) the Hoare annotation is: false [2020-12-09 17:43:58,871 INFO L262 CegarLoopResult]: For program point L100-3(lines 64 129) no Hoare annotation was computed. [2020-12-09 17:43:58,871 INFO L262 CegarLoopResult]: For program point L167(lines 167 184) no Hoare annotation was computed. [2020-12-09 17:43:58,880 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 17:43:58,881 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 17:43:58,881 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 17:43:58,881 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 17:43:58,882 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 17:43:58,882 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 17:43:58,882 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 17:43:58,882 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 17:43:58,882 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 17:43:58,882 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 17:43:58,883 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 17:43:58,883 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 17:43:58,883 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 17:43:58,883 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 17:43:58,883 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-12-09 17:43:58,884 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 17:43:58,884 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 17:43:58,884 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-12-09 17:43:58,884 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-12-09 17:43:58,884 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-12-09 17:43:58,884 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 17:43:58,884 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 17:43:58,888 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 17:43:58,889 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 17:43:58,889 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 17:43:58,889 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 17:43:58,889 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 17:43:58,889 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 17:43:58,889 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 17:43:58,890 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 17:43:58,890 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 17:43:58,890 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 17:43:58,890 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 17:43:58,890 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 17:43:58,890 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 17:43:58,890 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 17:43:58,891 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-12-09 17:43:58,891 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 17:43:58,891 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 17:43:58,891 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-12-09 17:43:58,891 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-12-09 17:43:58,891 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-12-09 17:43:58,891 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 17:43:58,892 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 17:43:58,893 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 17:43:58,893 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 17:43:58,893 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 17:43:58,893 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 17:43:58,893 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 17:43:58,893 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 17:43:58,894 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 17:43:58,894 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 17:43:58,894 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 17:43:58,894 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 17:43:58,894 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 17:43:58,894 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 17:43:58,894 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 17:43:58,895 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 17:43:58,895 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-12-09 17:43:58,895 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 17:43:58,895 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 17:43:58,895 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-12-09 17:43:58,895 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-12-09 17:43:58,896 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-12-09 17:43:58,896 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 17:43:58,896 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 17:43:58,897 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 17:43:58,897 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 17:43:58,897 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 17:43:58,897 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 17:43:58,897 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 17:43:58,897 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 17:43:58,897 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 17:43:58,898 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 17:43:58,898 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 17:43:58,898 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 17:43:58,898 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 17:43:58,898 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 17:43:58,898 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 17:43:58,898 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 17:43:58,899 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-12-09 17:43:58,899 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 17:43:58,899 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 17:43:58,899 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-12-09 17:43:58,899 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-12-09 17:43:58,899 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-12-09 17:43:58,899 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 17:43:58,899 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 17:43:58,900 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 17:43:58,900 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 17:43:58,901 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 17:43:58,901 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 17:43:58,901 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 17:43:58,901 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 17:43:58,903 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 05:43:58 BoogieIcfgContainer [2020-12-09 17:43:58,903 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-09 17:43:58,903 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-09 17:43:58,903 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-09 17:43:58,903 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-09 17:43:58,904 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 05:43:52" (3/4) ... [2020-12-09 17:43:58,906 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-09 17:43:58,914 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2020-12-09 17:43:58,915 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2020-12-09 17:43:58,915 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-09 17:43:58,915 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-09 17:43:58,931 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven && (\exists currentRoundingMode : FloatRoundingMode :: x == ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE())) [2020-12-09 17:43:58,931 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\result == ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.sub~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE())), ~fp.sub~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()))) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE()) == ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]))) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && (\exists ULTIMATE.start___ieee754_asinf_~hx~1 : bv32, currentRoundingMode : FloatRoundingMode :: ix == ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_asinf_~hx~1) && ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE()) == ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_asinf_~hx~1[31:31], ULTIMATE.start___ieee754_asinf_~hx~1[30:23], ULTIMATE.start___ieee754_asinf_~hx~1[22:0]))) && (\exists currentRoundingMode : FloatRoundingMode :: x == ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE())) [2020-12-09 17:43:58,932 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((\result == ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.sub~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE())), ~fp.sub~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()))) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE()) == ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]))) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && (\exists ULTIMATE.start___ieee754_asinf_~hx~1 : bv32, currentRoundingMode : FloatRoundingMode :: ix == ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_asinf_~hx~1) && ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE()) == ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_asinf_~hx~1[31:31], ULTIMATE.start___ieee754_asinf_~hx~1[30:23], ULTIMATE.start___ieee754_asinf_~hx~1[22:0]))) && 1bv32 == \result) && (\exists currentRoundingMode : FloatRoundingMode :: x == ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE())) [2020-12-09 17:43:58,953 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_e2b92e4d-2ef2-4311-bd2a-00ee60871873/bin/utaipan/witness.graphml [2020-12-09 17:43:58,953 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-09 17:43:58,954 INFO L168 Benchmark]: Toolchain (without parser) took 19660.18 ms. Allocated memory was 71.3 MB in the beginning and 94.4 MB in the end (delta: 23.1 MB). Free memory was 55.1 MB in the beginning and 53.5 MB in the end (delta: 1.5 MB). Peak memory consumption was 23.4 MB. Max. memory is 16.1 GB. [2020-12-09 17:43:58,954 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 71.3 MB. Free memory is still 54.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-09 17:43:58,954 INFO L168 Benchmark]: CACSL2BoogieTranslator took 243.85 ms. Allocated memory is still 71.3 MB. Free memory was 54.9 MB in the beginning and 52.2 MB in the end (delta: 2.7 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-12-09 17:43:58,955 INFO L168 Benchmark]: Boogie Procedure Inliner took 37.22 ms. Allocated memory is still 71.3 MB. Free memory was 52.2 MB in the beginning and 49.8 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-09 17:43:58,955 INFO L168 Benchmark]: Boogie Preprocessor took 32.17 ms. Allocated memory is still 71.3 MB. Free memory was 49.8 MB in the beginning and 47.4 MB in the end (delta: 2.4 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-12-09 17:43:58,955 INFO L168 Benchmark]: RCFGBuilder took 13014.78 ms. Allocated memory was 71.3 MB in the beginning and 94.4 MB in the end (delta: 23.1 MB). Free memory was 47.4 MB in the beginning and 59.8 MB in the end (delta: -12.4 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. [2020-12-09 17:43:58,956 INFO L168 Benchmark]: TraceAbstraction took 6277.75 ms. Allocated memory is still 94.4 MB. Free memory was 59.4 MB in the beginning and 58.5 MB in the end (delta: 922.4 kB). Peak memory consumption was 22.1 MB. Max. memory is 16.1 GB. [2020-12-09 17:43:58,956 INFO L168 Benchmark]: Witness Printer took 49.81 ms. Allocated memory is still 94.4 MB. Free memory was 58.5 MB in the beginning and 53.5 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-12-09 17:43:58,958 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 71.3 MB. Free memory is still 54.7 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 243.85 ms. Allocated memory is still 71.3 MB. Free memory was 54.9 MB in the beginning and 52.2 MB in the end (delta: 2.7 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 37.22 ms. Allocated memory is still 71.3 MB. Free memory was 52.2 MB in the beginning and 49.8 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 32.17 ms. Allocated memory is still 71.3 MB. Free memory was 49.8 MB in the beginning and 47.4 MB in the end (delta: 2.4 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 13014.78 ms. Allocated memory was 71.3 MB in the beginning and 94.4 MB in the end (delta: 23.1 MB). Free memory was 47.4 MB in the beginning and 59.8 MB in the end (delta: -12.4 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. * TraceAbstraction took 6277.75 ms. Allocated memory is still 94.4 MB. Free memory was 59.4 MB in the beginning and 58.5 MB in the end (delta: 922.4 kB). Peak memory consumption was 22.1 MB. Max. memory is 16.1 GB. * Witness Printer took 49.81 ms. Allocated memory is still 94.4 MB. Free memory was 58.5 MB in the beginning and 53.5 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 235]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 223]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 64]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 155]: Loop Invariant [2020-12-09 17:43:58,964 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 17:43:58,964 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 17:43:58,964 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 17:43:58,964 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 17:43:58,964 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 17:43:58,964 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 17:43:58,964 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 17:43:58,965 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 17:43:58,965 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 17:43:58,965 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 17:43:58,965 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 17:43:58,965 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 17:43:58,965 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 17:43:58,965 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 17:43:58,965 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-12-09 17:43:58,965 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 17:43:58,965 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 17:43:58,966 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-12-09 17:43:58,966 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-12-09 17:43:58,966 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-12-09 17:43:58,966 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 17:43:58,966 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 17:43:58,967 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 17:43:58,967 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 17:43:58,967 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 17:43:58,967 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 17:43:58,967 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 17:43:58,967 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 17:43:58,967 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 17:43:58,967 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 17:43:58,967 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 17:43:58,968 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 17:43:58,968 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 17:43:58,968 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 17:43:58,968 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 17:43:58,968 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 17:43:58,968 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-12-09 17:43:58,969 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 17:43:58,969 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 17:43:58,969 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-12-09 17:43:58,969 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-12-09 17:43:58,969 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-12-09 17:43:58,969 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 17:43:58,969 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] Derived loop invariant: (((\result == ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.sub~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE())), ~fp.sub~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()))) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE()) == ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]))) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && (\exists ULTIMATE.start___ieee754_asinf_~hx~1 : bv32, currentRoundingMode : FloatRoundingMode :: ix == ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_asinf_~hx~1) && ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE()) == ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_asinf_~hx~1[31:31], ULTIMATE.start___ieee754_asinf_~hx~1[30:23], ULTIMATE.start___ieee754_asinf_~hx~1[22:0]))) && (\exists currentRoundingMode : FloatRoundingMode :: x == ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE())) - InvariantResult [Line: 60]: Loop Invariant [2020-12-09 17:43:58,970 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 17:43:58,970 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 17:43:58,970 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 17:43:58,970 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 17:43:58,970 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 17:43:58,970 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 17:43:58,970 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 17:43:58,971 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 17:43:58,971 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 17:43:58,971 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 17:43:58,971 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 17:43:58,971 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 17:43:58,971 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 17:43:58,971 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 17:43:58,971 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-12-09 17:43:58,971 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 17:43:58,971 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 17:43:58,971 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-12-09 17:43:58,972 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-12-09 17:43:58,972 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-12-09 17:43:58,972 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 17:43:58,972 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 17:43:58,972 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 17:43:58,973 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 17:43:58,973 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 17:43:58,973 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 17:43:58,973 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 17:43:58,973 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 17:43:58,973 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 17:43:58,973 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 17:43:58,973 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 17:43:58,973 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 17:43:58,973 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 17:43:58,974 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 17:43:58,974 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 17:43:58,974 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 17:43:58,974 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-12-09 17:43:58,974 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 17:43:58,974 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 17:43:58,974 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-12-09 17:43:58,974 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-12-09 17:43:58,974 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-12-09 17:43:58,974 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 17:43:58,975 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] Derived loop invariant: ((((\result == ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.sub~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE())), ~fp.sub~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()))) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE()) == ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]))) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && (\exists ULTIMATE.start___ieee754_asinf_~hx~1 : bv32, currentRoundingMode : FloatRoundingMode :: ix == ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_asinf_~hx~1) && ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE()) == ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_asinf_~hx~1[31:31], ULTIMATE.start___ieee754_asinf_~hx~1[30:23], ULTIMATE.start___ieee754_asinf_~hx~1[22:0]))) && 1bv32 == \result) && (\exists currentRoundingMode : FloatRoundingMode :: x == ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE())) - InvariantResult [Line: 158]: Loop Invariant [2020-12-09 17:43:58,975 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 17:43:58,975 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 17:43:58,975 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 17:43:58,975 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 17:43:58,976 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 17:43:58,976 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] Derived loop invariant: unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven && (\exists currentRoundingMode : FloatRoundingMode :: x == ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE())) - InvariantResult [Line: 201]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 132]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 100]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 69]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 86]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 130]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 123]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 56 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 5.5s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 2.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 84 SDtfs, 36 SDslu, 16 SDs, 0 SdLazy, 22 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 32 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=56occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 12 LocationsWithAnnotation, 12 PreInvPairs, 16 NumberOfFragments, 187 HoareAnnotationTreeSize, 12 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 12 FomulaSimplificationsInter, 24 FormulaSimplificationTreeSizeReductionInter, 0.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 1.3s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 30 NumberOfCodeBlocks, 30 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 27 ConstructedInterpolants, 4 QuantifiedInterpolants, 1669 SizeOfPredicates, 16 NumberOfNonLiveVariables, 179 ConjunctsInSsa, 20 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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...