./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_0250a.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_4582a88c-bed1-4a73-83d9-8c68987e9983/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_4582a88c-bed1-4a73-83d9-8c68987e9983/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_4582a88c-bed1-4a73-83d9-8c68987e9983/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_4582a88c-bed1-4a73-83d9-8c68987e9983/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0250a.c -s /tmp/vcloud-vcloud-master/worker/run_dir_4582a88c-bed1-4a73-83d9-8c68987e9983/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_4582a88c-bed1-4a73-83d9-8c68987e9983/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_4582a88c-bed1-4a73-83d9-8c68987e9983/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_4582a88c-bed1-4a73-83d9-8c68987e9983/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_4582a88c-bed1-4a73-83d9-8c68987e9983/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_4582a88c-bed1-4a73-83d9-8c68987e9983/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0250a.c -s /tmp/vcloud-vcloud-master/worker/run_dir_4582a88c-bed1-4a73-83d9-8c68987e9983/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_4582a88c-bed1-4a73-83d9-8c68987e9983/bin/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4be0bc4cd46b95b0d49f59a081442b7e454af9af ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-22 12:56:18,183 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-22 12:56:18,185 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-22 12:56:18,248 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-22 12:56:18,249 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-22 12:56:18,250 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-22 12:56:18,251 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-22 12:56:18,254 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-22 12:56:18,256 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-22 12:56:18,257 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-22 12:56:18,258 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-22 12:56:18,259 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-22 12:56:18,260 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-22 12:56:18,261 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-22 12:56:18,270 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-22 12:56:18,273 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-22 12:56:18,274 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-22 12:56:18,281 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-22 12:56:18,284 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-22 12:56:18,293 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-22 12:56:18,296 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-22 12:56:18,297 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-22 12:56:18,298 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-22 12:56:18,299 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-22 12:56:18,302 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-22 12:56:18,302 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-22 12:56:18,303 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-22 12:56:18,304 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-22 12:56:18,304 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-22 12:56:18,305 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-22 12:56:18,305 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-22 12:56:18,306 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-22 12:56:18,307 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-22 12:56:18,308 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-22 12:56:18,309 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-22 12:56:18,309 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-22 12:56:18,312 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-22 12:56:18,312 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-22 12:56:18,312 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-22 12:56:18,313 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-22 12:56:18,314 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-22 12:56:18,319 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_4582a88c-bed1-4a73-83d9-8c68987e9983/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2020-11-22 12:56:18,354 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-22 12:56:18,355 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-22 12:56:18,355 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-22 12:56:18,356 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-22 12:56:18,356 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-22 12:56:18,356 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-22 12:56:18,356 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-11-22 12:56:18,356 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-22 12:56:18,356 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-22 12:56:18,357 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-11-22 12:56:18,357 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-11-22 12:56:18,357 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-22 12:56:18,357 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-11-22 12:56:18,357 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-11-22 12:56:18,358 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-11-22 12:56:18,365 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-22 12:56:18,365 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-22 12:56:18,365 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-22 12:56:18,366 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-22 12:56:18,366 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-22 12:56:18,366 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-22 12:56:18,366 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-22 12:56:18,366 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-22 12:56:18,367 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-22 12:56:18,367 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-22 12:56:18,367 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-22 12:56:18,367 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-22 12:56:18,368 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-22 12:56:18,368 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-22 12:56:18,370 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-22 12:56:18,370 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-22 12:56:18,371 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-22 12:56:18,371 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-22 12:56:18,371 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-22 12:56:18,371 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-22 12:56:18,371 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-11-22 12:56:18,373 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-22 12:56:18,373 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-22 12:56:18,373 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-22 12:56:18,373 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-22 12:56:18,373 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_4582a88c-bed1-4a73-83d9-8c68987e9983/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_4582a88c-bed1-4a73-83d9-8c68987e9983/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4be0bc4cd46b95b0d49f59a081442b7e454af9af [2020-11-22 12:56:18,611 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-22 12:56:18,631 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-22 12:56:18,634 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-22 12:56:18,635 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-22 12:56:18,636 INFO L275 PluginConnector]: CDTParser initialized [2020-11-22 12:56:18,637 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_4582a88c-bed1-4a73-83d9-8c68987e9983/bin/utaipan/../../sv-benchmarks/c/float-newlib/float_req_bl_0250a.c [2020-11-22 12:56:18,727 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_4582a88c-bed1-4a73-83d9-8c68987e9983/bin/utaipan/data/2c6011eca/007d1de71bcb4543bb414466fef0b06d/FLAG9599e65bc [2020-11-22 12:56:19,170 INFO L306 CDTParser]: Found 1 translation units. [2020-11-22 12:56:19,174 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_4582a88c-bed1-4a73-83d9-8c68987e9983/sv-benchmarks/c/float-newlib/float_req_bl_0250a.c [2020-11-22 12:56:19,186 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_4582a88c-bed1-4a73-83d9-8c68987e9983/bin/utaipan/data/2c6011eca/007d1de71bcb4543bb414466fef0b06d/FLAG9599e65bc [2020-11-22 12:56:19,571 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_4582a88c-bed1-4a73-83d9-8c68987e9983/bin/utaipan/data/2c6011eca/007d1de71bcb4543bb414466fef0b06d [2020-11-22 12:56:19,573 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-22 12:56:19,574 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-22 12:56:19,584 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-22 12:56:19,585 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-22 12:56:19,591 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-22 12:56:19,591 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 12:56:19" (1/1) ... [2020-11-22 12:56:19,593 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@90118c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:56:19, skipping insertion in model container [2020-11-22 12:56:19,593 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 12:56:19" (1/1) ... [2020-11-22 12:56:19,601 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-22 12:56:19,645 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-22 12:56:19,930 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 12:56:19,939 INFO L203 MainTranslator]: Completed pre-run [2020-11-22 12:56:20,008 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 12:56:20,028 INFO L208 MainTranslator]: Completed translation [2020-11-22 12:56:20,028 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:56:20 WrapperNode [2020-11-22 12:56:20,028 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-22 12:56:20,029 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-22 12:56:20,029 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-22 12:56:20,029 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-22 12:56:20,039 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:56:20" (1/1) ... [2020-11-22 12:56:20,050 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:56:20" (1/1) ... [2020-11-22 12:56:20,092 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-22 12:56:20,092 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-22 12:56:20,092 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-22 12:56:20,093 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-22 12:56:20,101 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:56:20" (1/1) ... [2020-11-22 12:56:20,101 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:56:20" (1/1) ... [2020-11-22 12:56:20,106 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:56:20" (1/1) ... [2020-11-22 12:56:20,106 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:56:20" (1/1) ... [2020-11-22 12:56:20,117 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:56:20" (1/1) ... [2020-11-22 12:56:20,123 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:56:20" (1/1) ... [2020-11-22 12:56:20,126 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:56:20" (1/1) ... [2020-11-22 12:56:20,130 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-22 12:56:20,131 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-22 12:56:20,131 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-22 12:56:20,132 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-22 12:56:20,145 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:56:20" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4582a88c-bed1-4a73-83d9-8c68987e9983/bin/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-22 12:56:20,234 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-22 12:56:20,235 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-22 12:56:20,235 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-11-22 12:56:20,235 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-22 12:56:20,235 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-11-22 12:56:20,235 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-22 12:56:20,235 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-22 12:56:20,235 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-22 12:56:20,237 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-22 12:56:21,197 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-22 12:56:21,197 INFO L298 CfgBuilder]: Removed 30 assume(true) statements. [2020-11-22 12:56:21,199 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 12:56:21 BoogieIcfgContainer [2020-11-22 12:56:21,199 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-22 12:56:21,201 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-22 12:56:21,201 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-22 12:56:21,204 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-22 12:56:21,204 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 12:56:19" (1/3) ... [2020-11-22 12:56:21,205 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45145ec9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 12:56:21, skipping insertion in model container [2020-11-22 12:56:21,205 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:56:20" (2/3) ... [2020-11-22 12:56:21,206 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45145ec9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 12:56:21, skipping insertion in model container [2020-11-22 12:56:21,206 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 12:56:21" (3/3) ... [2020-11-22 12:56:21,207 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_0250a.c [2020-11-22 12:56:21,218 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-22 12:56:21,222 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-22 12:56:21,233 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-22 12:56:21,264 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-22 12:56:21,266 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-22 12:56:21,266 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-22 12:56:21,266 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-22 12:56:21,266 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-22 12:56:21,266 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-22 12:56:21,267 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-22 12:56:21,267 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-22 12:56:21,283 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states. [2020-11-22 12:56:21,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-11-22 12:56:21,288 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 12:56:21,289 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2020-11-22 12:56:21,289 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 12:56:21,295 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 12:56:21,296 INFO L82 PathProgramCache]: Analyzing trace with hash 97023805, now seen corresponding path program 1 times [2020-11-22 12:56:21,305 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-22 12:56:21,305 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1631438987] [2020-11-22 12:56:21,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-22 12:56:21,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 12:56:21,485 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 12:56:21,486 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1631438987] [2020-11-22 12:56:21,486 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-22 12:56:21,487 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-22 12:56:21,488 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1788371991] [2020-11-22 12:56:21,492 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-22 12:56:21,492 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-11-22 12:56:21,509 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-22 12:56:21,509 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-22 12:56:21,511 INFO L87 Difference]: Start difference. First operand 42 states. Second operand 2 states. [2020-11-22 12:56:21,537 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 12:56:21,538 INFO L93 Difference]: Finished difference Result 83 states and 135 transitions. [2020-11-22 12:56:21,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-22 12:56:21,540 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 7 [2020-11-22 12:56:21,540 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 12:56:21,570 INFO L225 Difference]: With dead ends: 83 [2020-11-22 12:56:21,570 INFO L226 Difference]: Without dead ends: 40 [2020-11-22 12:56:21,573 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-22 12:56:21,588 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2020-11-22 12:56:21,611 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2020-11-22 12:56:21,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2020-11-22 12:56:21,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 51 transitions. [2020-11-22 12:56:21,615 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 51 transitions. Word has length 7 [2020-11-22 12:56:21,615 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 12:56:21,616 INFO L481 AbstractCegarLoop]: Abstraction has 40 states and 51 transitions. [2020-11-22 12:56:21,616 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-22 12:56:21,616 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 51 transitions. [2020-11-22 12:56:21,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-11-22 12:56:21,616 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 12:56:21,617 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-11-22 12:56:21,617 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-22 12:56:21,617 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 12:56:21,620 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 12:56:21,621 INFO L82 PathProgramCache]: Analyzing trace with hash 937928444, now seen corresponding path program 1 times [2020-11-22 12:56:21,621 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-22 12:56:21,622 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [581370436] [2020-11-22 12:56:21,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-22 12:56:21,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-22 12:56:21,701 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-22 12:56:21,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-22 12:56:21,760 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-22 12:56:21,797 INFO L173 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2020-11-22 12:56:21,797 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-11-22 12:56:21,798 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-22 12:56:21,844 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 12:56:21 BoogieIcfgContainer [2020-11-22 12:56:21,844 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-22 12:56:21,845 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-22 12:56:21,845 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-22 12:56:21,845 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-22 12:56:21,846 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 12:56:21" (3/4) ... [2020-11-22 12:56:21,849 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-11-22 12:56:21,850 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-22 12:56:21,853 INFO L168 Benchmark]: Toolchain (without parser) took 2276.28 ms. Allocated memory is still 107.0 MB. Free memory was 75.8 MB in the beginning and 54.3 MB in the end (delta: 21.5 MB). Peak memory consumption was 19.1 MB. Max. memory is 16.1 GB. [2020-11-22 12:56:21,854 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 79.7 MB. Free memory was 38.4 MB in the beginning and 38.4 MB in the end (delta: 40.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-22 12:56:21,855 INFO L168 Benchmark]: CACSL2BoogieTranslator took 444.29 ms. Allocated memory is still 107.0 MB. Free memory was 75.5 MB in the beginning and 79.5 MB in the end (delta: -3.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-22 12:56:21,856 INFO L168 Benchmark]: Boogie Procedure Inliner took 62.44 ms. Allocated memory is still 107.0 MB. Free memory was 79.5 MB in the beginning and 77.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-22 12:56:21,857 INFO L168 Benchmark]: Boogie Preprocessor took 38.24 ms. Allocated memory is still 107.0 MB. Free memory was 76.9 MB in the beginning and 75.3 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-22 12:56:21,858 INFO L168 Benchmark]: RCFGBuilder took 1068.06 ms. Allocated memory is still 107.0 MB. Free memory was 75.3 MB in the beginning and 78.9 MB in the end (delta: -3.6 MB). Peak memory consumption was 46.1 MB. Max. memory is 16.1 GB. [2020-11-22 12:56:21,859 INFO L168 Benchmark]: TraceAbstraction took 643.50 ms. Allocated memory is still 107.0 MB. Free memory was 78.9 MB in the beginning and 55.2 MB in the end (delta: 23.7 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.1 GB. [2020-11-22 12:56:21,860 INFO L168 Benchmark]: Witness Printer took 5.00 ms. Allocated memory is still 107.0 MB. Free memory was 55.2 MB in the beginning and 54.3 MB in the end (delta: 866.2 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-22 12:56:21,871 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 79.7 MB. Free memory was 38.4 MB in the beginning and 38.4 MB in the end (delta: 40.3 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 444.29 ms. Allocated memory is still 107.0 MB. Free memory was 75.5 MB in the beginning and 79.5 MB in the end (delta: -3.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 62.44 ms. Allocated memory is still 107.0 MB. Free memory was 79.5 MB in the beginning and 77.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 38.24 ms. Allocated memory is still 107.0 MB. Free memory was 76.9 MB in the beginning and 75.3 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1068.06 ms. Allocated memory is still 107.0 MB. Free memory was 75.3 MB in the beginning and 78.9 MB in the end (delta: -3.6 MB). Peak memory consumption was 46.1 MB. Max. memory is 16.1 GB. * TraceAbstraction took 643.50 ms. Allocated memory is still 107.0 MB. Free memory was 78.9 MB in the beginning and 55.2 MB in the end (delta: 23.7 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.1 GB. * Witness Printer took 5.00 ms. Allocated memory is still 107.0 MB. Free memory was 55.2 MB in the beginning and 54.3 MB in the end (delta: 866.2 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 3]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 60, overapproximation of someUnaryDOUBLEoperation at line 149, overapproximation of bitwiseAnd at line 163, overapproximation of someUnaryFLOAToperation at line 147, overapproximation of someBinaryArithmeticFLOAToperation at line 166. Possible FailurePath: [L14] static const float huge_floor = 1.0e30; [L62] static const float one_sqrt = 1.0, tiny_sqrt = 1.0e-30; [L145-L153] static const float one_asin = 1.0000000000e+00, huge_asin = 1.000e+30, pio2_hi_asin = 1.57079637050628662109375f, pio2_lo_asin = -4.37113900018624283e-8f, pio4_hi_asin = 0.785398185253143310546875f, pS0_asin = 1.6666667163e-01, pS1_asin = -3.2556581497e-01, pS2_asin = 2.0121252537e-01, pS3_asin = -4.0055535734e-02, pS4_asin = 7.9153501429e-04, pS5_asin = 3.4793309169e-05, qS1_asin = -2.4033949375e+00, qS2_asin = 2.0209457874e+00, qS3_asin = -6.8828397989e-01, qS4_asin = 7.7038154006e-02; [L230] float x = 1.0f / 0.0f; [L156] float t, w, p, q, c, r, s; [L157] __int32_t hx, ix; VAL [huge_asin=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] [L159] ieee_float_shape_type gf_u; [L160] gf_u.value = (x) [L161] EXPR gf_u.word [L161] (hx) = gf_u.word [L163] ix = hx & 0x7fffffff VAL [huge_asin=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] [L164] COND TRUE ix == 0x3f800000 [L166] return x * pio2_hi_asin + x * pio2_lo_asin; VAL [huge_asin=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] [L231] float res = __ieee754_asinf(x); [L60] return x != x; [L234] COND TRUE !isnan_float(res) [L3] __assert_fail("0", "float_req_bl_0250a.c", 3, "reach_error") VAL [huge_asin=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 42 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.5s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 53 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=42occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 15 NumberOfCodeBlocks, 15 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 6 ConstructedInterpolants, 0 QuantifiedInterpolants, 36 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-a4ecdab [2020-11-22 12:56:24,288 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-22 12:56:24,290 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-22 12:56:24,332 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-22 12:56:24,333 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-22 12:56:24,338 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-22 12:56:24,341 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-22 12:56:24,346 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-22 12:56:24,350 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-22 12:56:24,358 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-22 12:56:24,359 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-22 12:56:24,365 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-22 12:56:24,366 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-22 12:56:24,371 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-22 12:56:24,374 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-22 12:56:24,375 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-22 12:56:24,377 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-22 12:56:24,379 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-22 12:56:24,386 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-22 12:56:24,389 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-22 12:56:24,395 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-22 12:56:24,397 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-22 12:56:24,399 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-22 12:56:24,401 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-22 12:56:24,408 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-22 12:56:24,412 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-22 12:56:24,413 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-22 12:56:24,414 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-22 12:56:24,416 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-22 12:56:24,417 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-22 12:56:24,417 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-22 12:56:24,418 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-22 12:56:24,421 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-22 12:56:24,421 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-22 12:56:24,423 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-22 12:56:24,424 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-22 12:56:24,425 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-22 12:56:24,425 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-22 12:56:24,425 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-22 12:56:24,427 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-22 12:56:24,428 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-22 12:56:24,429 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_4582a88c-bed1-4a73-83d9-8c68987e9983/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2020-11-22 12:56:24,487 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-22 12:56:24,489 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-22 12:56:24,491 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-22 12:56:24,491 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-22 12:56:24,491 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-22 12:56:24,492 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-22 12:56:24,492 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-22 12:56:24,492 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-22 12:56:24,492 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-22 12:56:24,494 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-22 12:56:24,495 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-22 12:56:24,495 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-22 12:56:24,495 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-22 12:56:24,496 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-22 12:56:24,496 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-22 12:56:24,496 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-22 12:56:24,496 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-22 12:56:24,497 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-11-22 12:56:24,497 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-11-22 12:56:24,497 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-22 12:56:24,497 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-22 12:56:24,497 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-22 12:56:24,498 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-22 12:56:24,498 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-22 12:56:24,498 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-22 12:56:24,498 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-22 12:56:24,499 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-22 12:56:24,499 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-22 12:56:24,499 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-22 12:56:24,499 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-22 12:56:24,500 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-22 12:56:24,500 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-11-22 12:56:24,500 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-11-22 12:56:24,500 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-22 12:56:24,501 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-22 12:56:24,501 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-22 12:56:24,501 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_4582a88c-bed1-4a73-83d9-8c68987e9983/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_4582a88c-bed1-4a73-83d9-8c68987e9983/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4be0bc4cd46b95b0d49f59a081442b7e454af9af [2020-11-22 12:56:24,912 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-22 12:56:24,935 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-22 12:56:24,938 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-22 12:56:24,939 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-22 12:56:24,942 INFO L275 PluginConnector]: CDTParser initialized [2020-11-22 12:56:24,943 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_4582a88c-bed1-4a73-83d9-8c68987e9983/bin/utaipan/../../sv-benchmarks/c/float-newlib/float_req_bl_0250a.c [2020-11-22 12:56:25,024 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_4582a88c-bed1-4a73-83d9-8c68987e9983/bin/utaipan/data/8e98249fa/dbf5b83815b147af90ebaed18c2f7cc2/FLAG2c871cc18 [2020-11-22 12:56:25,561 INFO L306 CDTParser]: Found 1 translation units. [2020-11-22 12:56:25,562 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_4582a88c-bed1-4a73-83d9-8c68987e9983/sv-benchmarks/c/float-newlib/float_req_bl_0250a.c [2020-11-22 12:56:25,570 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_4582a88c-bed1-4a73-83d9-8c68987e9983/bin/utaipan/data/8e98249fa/dbf5b83815b147af90ebaed18c2f7cc2/FLAG2c871cc18 [2020-11-22 12:56:25,864 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_4582a88c-bed1-4a73-83d9-8c68987e9983/bin/utaipan/data/8e98249fa/dbf5b83815b147af90ebaed18c2f7cc2 [2020-11-22 12:56:25,866 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-22 12:56:25,868 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-22 12:56:25,869 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-22 12:56:25,869 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-22 12:56:25,877 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-22 12:56:25,878 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 12:56:25" (1/1) ... [2020-11-22 12:56:25,880 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4de91d41 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:56:25, skipping insertion in model container [2020-11-22 12:56:25,887 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 12:56:25" (1/1) ... [2020-11-22 12:56:25,892 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-22 12:56:25,919 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-22 12:56:26,143 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 12:56:26,167 INFO L203 MainTranslator]: Completed pre-run [2020-11-22 12:56:26,282 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 12:56:26,319 INFO L208 MainTranslator]: Completed translation [2020-11-22 12:56:26,320 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:56:26 WrapperNode [2020-11-22 12:56:26,320 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-22 12:56:26,321 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-22 12:56:26,322 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-22 12:56:26,322 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-22 12:56:26,328 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:56:26" (1/1) ... [2020-11-22 12:56:26,342 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:56:26" (1/1) ... [2020-11-22 12:56:26,381 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-22 12:56:26,382 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-22 12:56:26,382 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-22 12:56:26,382 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-22 12:56:26,392 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:56:26" (1/1) ... [2020-11-22 12:56:26,393 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:56:26" (1/1) ... [2020-11-22 12:56:26,404 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:56:26" (1/1) ... [2020-11-22 12:56:26,404 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:56:26" (1/1) ... [2020-11-22 12:56:26,446 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:56:26" (1/1) ... [2020-11-22 12:56:26,452 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:56:26" (1/1) ... [2020-11-22 12:56:26,456 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:56:26" (1/1) ... [2020-11-22 12:56:26,469 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-22 12:56:26,474 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-22 12:56:26,474 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-22 12:56:26,476 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-22 12:56:26,476 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:56:26" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4582a88c-bed1-4a73-83d9-8c68987e9983/bin/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-22 12:56:26,559 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-11-22 12:56:26,559 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-22 12:56:26,562 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2020-11-22 12:56:26,562 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-11-22 12:56:26,562 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-22 12:56:26,562 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-22 12:56:26,563 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2020-11-22 12:56:26,563 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-11-22 12:56:26,563 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-22 12:56:37,274 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-22 12:56:37,274 INFO L298 CfgBuilder]: Removed 30 assume(true) statements. [2020-11-22 12:56:37,276 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 12:56:37 BoogieIcfgContainer [2020-11-22 12:56:37,276 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-22 12:56:37,278 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-22 12:56:37,278 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-22 12:56:37,282 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-22 12:56:37,282 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 12:56:25" (1/3) ... [2020-11-22 12:56:37,283 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c2eab6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 12:56:37, skipping insertion in model container [2020-11-22 12:56:37,283 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:56:26" (2/3) ... [2020-11-22 12:56:37,284 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c2eab6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 12:56:37, skipping insertion in model container [2020-11-22 12:56:37,284 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 12:56:37" (3/3) ... [2020-11-22 12:56:37,286 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_0250a.c [2020-11-22 12:56:37,297 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-22 12:56:37,302 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-22 12:56:37,315 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-22 12:56:37,339 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-22 12:56:37,339 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-22 12:56:37,340 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-22 12:56:37,340 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-22 12:56:37,340 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-22 12:56:37,340 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-22 12:56:37,340 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-22 12:56:37,340 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-22 12:56:37,354 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states. [2020-11-22 12:56:37,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-11-22 12:56:37,359 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 12:56:37,360 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-22 12:56:37,360 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 12:56:37,366 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 12:56:37,366 INFO L82 PathProgramCache]: Analyzing trace with hash -1900532880, now seen corresponding path program 1 times [2020-11-22 12:56:37,378 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 12:56:37,379 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [559593948] [2020-11-22 12:56:37,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4582a88c-bed1-4a73-83d9-8c68987e9983/bin/utaipan/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2020-11-22 12:56:38,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 12:56:38,283 INFO L263 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 1 conjunts are in the unsatisfiable core [2020-11-22 12:56:38,288 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 12:56:38,302 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 12:56:38,303 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 12:56:38,306 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 12:56:38,307 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [559593948] [2020-11-22 12:56:38,308 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 12:56:38,308 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-11-22 12:56:38,309 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1507317038] [2020-11-22 12:56:38,314 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-22 12:56:38,315 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 12:56:38,327 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-22 12:56:38,328 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-22 12:56:38,330 INFO L87 Difference]: Start difference. First operand 57 states. Second operand 2 states. [2020-11-22 12:56:38,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 12:56:38,351 INFO L93 Difference]: Finished difference Result 111 states and 179 transitions. [2020-11-22 12:56:38,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-22 12:56:38,353 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 9 [2020-11-22 12:56:38,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 12:56:38,362 INFO L225 Difference]: With dead ends: 111 [2020-11-22 12:56:38,362 INFO L226 Difference]: Without dead ends: 53 [2020-11-22 12:56:38,365 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-22 12:56:38,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2020-11-22 12:56:38,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2020-11-22 12:56:38,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2020-11-22 12:56:38,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 70 transitions. [2020-11-22 12:56:38,413 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 70 transitions. Word has length 9 [2020-11-22 12:56:38,414 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 12:56:38,414 INFO L481 AbstractCegarLoop]: Abstraction has 53 states and 70 transitions. [2020-11-22 12:56:38,414 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-22 12:56:38,414 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 70 transitions. [2020-11-22 12:56:38,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-11-22 12:56:38,415 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 12:56:38,415 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-22 12:56:38,630 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-11-22 12:56:38,630 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 12:56:38,631 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 12:56:38,631 INFO L82 PathProgramCache]: Analyzing trace with hash 1487817933, now seen corresponding path program 1 times [2020-11-22 12:56:38,632 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 12:56:38,632 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [440451126] [2020-11-22 12:56:38,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4582a88c-bed1-4a73-83d9-8c68987e9983/bin/utaipan/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2020-11-22 12:56:39,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 12:56:39,347 INFO L263 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 8 conjunts are in the unsatisfiable core [2020-11-22 12:56:39,348 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 12:56:39,470 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 12:56:39,471 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 12:56:39,571 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 12:56:39,571 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [440451126] [2020-11-22 12:56:39,571 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 12:56:39,571 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2020-11-22 12:56:39,571 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [194304903] [2020-11-22 12:56:39,573 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-11-22 12:56:39,573 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 12:56:39,573 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-11-22 12:56:39,574 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-11-22 12:56:39,574 INFO L87 Difference]: Start difference. First operand 53 states and 70 transitions. Second operand 8 states. [2020-11-22 12:56:40,064 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 12:56:40,065 INFO L93 Difference]: Finished difference Result 58 states and 74 transitions. [2020-11-22 12:56:40,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-22 12:56:40,066 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 10 [2020-11-22 12:56:40,066 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 12:56:40,066 INFO L225 Difference]: With dead ends: 58 [2020-11-22 12:56:40,067 INFO L226 Difference]: Without dead ends: 12 [2020-11-22 12:56:40,068 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2020-11-22 12:56:40,068 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states. [2020-11-22 12:56:40,071 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 12. [2020-11-22 12:56:40,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2020-11-22 12:56:40,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 11 transitions. [2020-11-22 12:56:40,072 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 11 transitions. Word has length 10 [2020-11-22 12:56:40,072 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 12:56:40,072 INFO L481 AbstractCegarLoop]: Abstraction has 12 states and 11 transitions. [2020-11-22 12:56:40,072 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-11-22 12:56:40,073 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 11 transitions. [2020-11-22 12:56:40,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-11-22 12:56:40,073 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 12:56:40,073 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-22 12:56:40,274 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-11-22 12:56:40,274 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 12:56:40,275 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 12:56:40,275 INFO L82 PathProgramCache]: Analyzing trace with hash -1242404338, now seen corresponding path program 1 times [2020-11-22 12:56:40,275 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 12:56:40,275 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1510981673] [2020-11-22 12:56:40,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4582a88c-bed1-4a73-83d9-8c68987e9983/bin/utaipan/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2020-11-22 12:56:40,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 12:56:40,941 INFO L263 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 11 conjunts are in the unsatisfiable core [2020-11-22 12:56:40,942 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 12:56:41,068 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 12:56:41,068 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 12:56:41,698 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 12:56:41,699 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1510981673] [2020-11-22 12:56:41,699 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 12:56:41,699 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 5] imperfect sequences [] total 9 [2020-11-22 12:56:41,699 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [231273842] [2020-11-22 12:56:41,700 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-11-22 12:56:41,700 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 12:56:41,702 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-11-22 12:56:41,702 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2020-11-22 12:56:41,702 INFO L87 Difference]: Start difference. First operand 12 states and 11 transitions. Second operand 9 states. [2020-11-22 12:56:42,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 12:56:42,409 INFO L93 Difference]: Finished difference Result 12 states and 11 transitions. [2020-11-22 12:56:42,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-11-22 12:56:42,409 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 11 [2020-11-22 12:56:42,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 12:56:42,409 INFO L225 Difference]: With dead ends: 12 [2020-11-22 12:56:42,409 INFO L226 Difference]: Without dead ends: 0 [2020-11-22 12:56:42,410 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 11 SyntacticMatches, 2 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2020-11-22 12:56:42,410 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-22 12:56:42,410 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-22 12:56:42,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-22 12:56:42,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-22 12:56:42,411 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 11 [2020-11-22 12:56:42,411 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 12:56:42,411 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-22 12:56:42,411 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-11-22 12:56:42,411 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-22 12:56:42,411 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-22 12:56:42,611 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-11-22 12:56:42,613 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-22 12:56:42,832 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 30 [2020-11-22 12:56:42,980 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 33 [2020-11-22 12:56:42,995 INFO L274 CegarLoopResult]: For program point L85(lines 85 89) no Hoare annotation was computed. [2020-11-22 12:56:42,996 INFO L274 CegarLoopResult]: For program point L85-2(lines 85 89) no Hoare annotation was computed. [2020-11-22 12:56:42,996 INFO L274 CegarLoopResult]: For program point L234(lines 234 237) no Hoare annotation was computed. [2020-11-22 12:56:42,996 INFO L274 CegarLoopResult]: For program point L201-1(lines 201 205) no Hoare annotation was computed. [2020-11-22 12:56:42,996 INFO L270 CegarLoopResult]: At program point L201-2(lines 201 205) the Hoare annotation is: false [2020-11-22 12:56:42,996 INFO L274 CegarLoopResult]: For program point L102(lines 102 106) no Hoare annotation was computed. [2020-11-22 12:56:42,996 INFO L274 CegarLoopResult]: For program point L69-1(lines 69 73) no Hoare annotation was computed. [2020-11-22 12:56:42,996 INFO L274 CegarLoopResult]: For program point L102-2(lines 102 106) no Hoare annotation was computed. [2020-11-22 12:56:42,996 INFO L270 CegarLoopResult]: At program point L69-2(lines 69 73) the Hoare annotation is: false [2020-11-22 12:56:42,996 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-11-22 12:56:42,997 INFO L274 CegarLoopResult]: For program point L69-3(lines 69 73) no Hoare annotation was computed. [2020-11-22 12:56:42,997 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-11-22 12:56:42,997 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-22 12:56:42,997 INFO L274 CegarLoopResult]: For program point L86-2(lines 86 87) no Hoare annotation was computed. [2020-11-22 12:56:42,997 INFO L270 CegarLoopResult]: At program point L86-3(lines 86 87) the Hoare annotation is: false [2020-11-22 12:56:42,997 INFO L274 CegarLoopResult]: For program point L86-4(lines 86 87) no Hoare annotation was computed. [2020-11-22 12:56:42,997 INFO L274 CegarLoopResult]: For program point L169(lines 169 184) no Hoare annotation was computed. [2020-11-22 12:56:42,997 INFO L274 CegarLoopResult]: For program point L169-1(lines 169 184) no Hoare annotation was computed. [2020-11-22 12:56:42,997 INFO L274 CegarLoopResult]: For program point L170(lines 170 183) no Hoare annotation was computed. [2020-11-22 12:56:42,997 INFO L274 CegarLoopResult]: For program point L137(lines 137 141) no Hoare annotation was computed. [2020-11-22 12:56:42,998 INFO L274 CegarLoopResult]: For program point L137-1(lines 130 143) no Hoare annotation was computed. [2020-11-22 12:56:42,998 INFO L274 CegarLoopResult]: For program point L137-2(lines 137 141) no Hoare annotation was computed. [2020-11-22 12:56:42,998 INFO L270 CegarLoopResult]: At program point L220(lines 155 221) the Hoare annotation is: (and (= |ULTIMATE.start___ieee754_asinf_#res| (let ((.cse0 (let ((.cse1 (fp.div roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven 1.0) (_ +zero 8 24)))) (fp.sub roundNearestTiesToEven .cse1 .cse1)))) (fp.div roundNearestTiesToEven .cse0 .cse0))) (exists ((currentRoundingMode RoundingMode)) (= (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)) (fp ((_ extract 31 31) ULTIMATE.start___ieee754_asinf_~hx~1) ((_ extract 30 23) ULTIMATE.start___ieee754_asinf_~hx~1) ((_ extract 22 0) ULTIMATE.start___ieee754_asinf_~hx~1)))) (= currentRoundingMode roundNearestTiesToEven) (exists ((ULTIMATE.start___ieee754_asinf_~hx~1 (_ BitVec 32)) (currentRoundingMode RoundingMode)) (and (= ULTIMATE.start___ieee754_asinf_~ix~3 (bvand (_ bv2147483647 32) ULTIMATE.start___ieee754_asinf_~hx~1)) (= (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)) (fp ((_ extract 31 31) ULTIMATE.start___ieee754_asinf_~hx~1) ((_ extract 30 23) ULTIMATE.start___ieee754_asinf_~hx~1) ((_ extract 22 0) ULTIMATE.start___ieee754_asinf_~hx~1))))) (exists ((currentRoundingMode RoundingMode)) (= ULTIMATE.start___ieee754_asinf_~x (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24))))) [2020-11-22 12:56:42,998 INFO L274 CegarLoopResult]: For program point L171(lines 171 172) no Hoare annotation was computed. [2020-11-22 12:56:42,998 INFO L274 CegarLoopResult]: For program point L123-1(lines 123 127) no Hoare annotation was computed. [2020-11-22 12:56:42,998 INFO L270 CegarLoopResult]: At program point L123-2(lines 123 127) the Hoare annotation is: false [2020-11-22 12:56:42,998 INFO L274 CegarLoopResult]: For program point L123-3(lines 123 127) no Hoare annotation was computed. [2020-11-22 12:56:42,998 INFO L277 CegarLoopResult]: At program point L239(lines 223 240) the Hoare annotation is: true [2020-11-22 12:56:42,999 INFO L274 CegarLoopResult]: For program point L206(lines 206 210) no Hoare annotation was computed. [2020-11-22 12:56:42,999 INFO L274 CegarLoopResult]: For program point L206-1(lines 198 216) no Hoare annotation was computed. [2020-11-22 12:56:42,999 INFO L274 CegarLoopResult]: For program point L206-2(lines 206 210) no Hoare annotation was computed. [2020-11-22 12:56:42,999 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-22 12:56:42,999 INFO L274 CegarLoopResult]: For program point L158-1(lines 158 162) no Hoare annotation was computed. [2020-11-22 12:56:42,999 INFO L270 CegarLoopResult]: At program point L158-2(lines 158 162) the Hoare annotation is: (and (= currentRoundingMode roundNearestTiesToEven) (exists ((currentRoundingMode RoundingMode)) (= ULTIMATE.start___ieee754_asinf_~x (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24))))) [2020-11-22 12:56:42,999 INFO L274 CegarLoopResult]: For program point L92(lines 92 93) no Hoare annotation was computed. [2020-11-22 12:56:42,999 INFO L274 CegarLoopResult]: For program point L158-3(lines 158 162) no Hoare annotation was computed. [2020-11-22 12:56:42,999 INFO L274 CegarLoopResult]: For program point L92-2(lines 92 93) no Hoare annotation was computed. [2020-11-22 12:56:42,999 INFO L270 CegarLoopResult]: At program point L142(lines 130 143) the Hoare annotation is: false [2020-11-22 12:56:43,000 INFO L274 CegarLoopResult]: For program point L76(lines 76 77) no Hoare annotation was computed. [2020-11-22 12:56:43,000 INFO L270 CegarLoopResult]: At program point L60(line 60) the Hoare annotation is: (and (= |ULTIMATE.start___ieee754_asinf_#res| (let ((.cse0 (let ((.cse1 (fp.div roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven 1.0) (_ +zero 8 24)))) (fp.sub roundNearestTiesToEven .cse1 .cse1)))) (fp.div roundNearestTiesToEven .cse0 .cse0))) (exists ((currentRoundingMode RoundingMode)) (= (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)) (fp ((_ extract 31 31) ULTIMATE.start___ieee754_asinf_~hx~1) ((_ extract 30 23) ULTIMATE.start___ieee754_asinf_~hx~1) ((_ extract 22 0) ULTIMATE.start___ieee754_asinf_~hx~1)))) (= currentRoundingMode roundNearestTiesToEven) (exists ((ULTIMATE.start___ieee754_asinf_~hx~1 (_ BitVec 32)) (currentRoundingMode RoundingMode)) (and (= ULTIMATE.start___ieee754_asinf_~ix~3 (bvand (_ bv2147483647 32) ULTIMATE.start___ieee754_asinf_~hx~1)) (= (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)) (fp ((_ extract 31 31) ULTIMATE.start___ieee754_asinf_~hx~1) ((_ extract 30 23) ULTIMATE.start___ieee754_asinf_~hx~1) ((_ extract 22 0) ULTIMATE.start___ieee754_asinf_~hx~1))))) (= (_ bv1 32) |ULTIMATE.start_isnan_float_#res|) (exists ((currentRoundingMode RoundingMode)) (= ULTIMATE.start___ieee754_asinf_~x (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24))))) [2020-11-22 12:56:43,000 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-22 12:56:43,000 INFO L274 CegarLoopResult]: For program point L111(lines 111 120) no Hoare annotation was computed. [2020-11-22 12:56:43,000 INFO L270 CegarLoopResult]: At program point L128(lines 64 129) the Hoare annotation is: false [2020-11-22 12:56:43,000 INFO L274 CegarLoopResult]: For program point L79(lines 79 80) no Hoare annotation was computed. [2020-11-22 12:56:43,000 INFO L274 CegarLoopResult]: For program point L195(lines 195 216) no Hoare annotation was computed. [2020-11-22 12:56:43,000 INFO L274 CegarLoopResult]: For program point L195-2(lines 155 221) no Hoare annotation was computed. [2020-11-22 12:56:43,001 INFO L274 CegarLoopResult]: For program point L113(lines 113 119) no Hoare annotation was computed. [2020-11-22 12:56:43,001 INFO L274 CegarLoopResult]: For program point L81(lines 81 82) no Hoare annotation was computed. [2020-11-22 12:56:43,001 INFO L274 CegarLoopResult]: For program point L164(lines 164 184) no Hoare annotation was computed. [2020-11-22 12:56:43,001 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-22 12:56:43,001 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-22 12:56:43,001 INFO L274 CegarLoopResult]: For program point L115(lines 115 118) no Hoare annotation was computed. [2020-11-22 12:56:43,001 INFO L274 CegarLoopResult]: For program point L132-1(lines 132 136) no Hoare annotation was computed. [2020-11-22 12:56:43,001 INFO L270 CegarLoopResult]: At program point L132-2(lines 132 136) the Hoare annotation is: false [2020-11-22 12:56:43,001 INFO L270 CegarLoopResult]: At program point L100-2(lines 100 109) the Hoare annotation is: false [2020-11-22 12:56:43,001 INFO L274 CegarLoopResult]: For program point L100-3(lines 64 129) no Hoare annotation was computed. [2020-11-22 12:56:43,001 INFO L274 CegarLoopResult]: For program point L167(lines 167 184) no Hoare annotation was computed. [2020-11-22 12:56:43,020 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-22 12:56:43,021 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-22 12:56:43,021 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-22 12:56:43,022 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-22 12:56:43,022 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-22 12:56:43,022 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-22 12:56:43,022 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-22 12:56:43,023 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-22 12:56:43,023 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-22 12:56:43,024 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-22 12:56:43,024 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-22 12:56:43,024 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-22 12:56:43,024 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-22 12:56:43,025 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-22 12:56:43,025 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-11-22 12:56:43,025 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-22 12:56:43,028 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-22 12:56:43,028 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-11-22 12:56:43,028 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-11-22 12:56:43,028 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-11-22 12:56:43,029 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-22 12:56:43,030 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-22 12:56:43,032 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-22 12:56:43,036 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-22 12:56:43,037 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-22 12:56:43,037 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-22 12:56:43,037 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-22 12:56:43,038 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-22 12:56:43,038 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-22 12:56:43,038 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-22 12:56:43,038 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-22 12:56:43,038 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-22 12:56:43,039 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-22 12:56:43,040 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-22 12:56:43,040 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-22 12:56:43,040 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-22 12:56:43,040 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-22 12:56:43,046 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-11-22 12:56:43,047 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-22 12:56:43,047 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-22 12:56:43,047 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-11-22 12:56:43,047 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-11-22 12:56:43,048 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-11-22 12:56:43,048 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-22 12:56:43,048 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-22 12:56:43,048 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-22 12:56:43,049 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-22 12:56:43,049 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-22 12:56:43,050 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-22 12:56:43,050 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-22 12:56:43,050 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-22 12:56:43,050 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-22 12:56:43,051 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-22 12:56:43,051 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-22 12:56:43,051 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-22 12:56:43,051 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-22 12:56:43,051 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-22 12:56:43,052 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-22 12:56:43,052 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-22 12:56:43,052 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-22 12:56:43,052 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-11-22 12:56:43,052 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-22 12:56:43,053 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-22 12:56:43,053 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-11-22 12:56:43,053 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-11-22 12:56:43,053 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-11-22 12:56:43,053 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-22 12:56:43,056 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-22 12:56:43,058 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-22 12:56:43,065 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-22 12:56:43,066 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-22 12:56:43,066 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-22 12:56:43,066 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-22 12:56:43,066 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-22 12:56:43,066 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-22 12:56:43,066 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-22 12:56:43,067 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-22 12:56:43,067 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-22 12:56:43,067 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-22 12:56:43,067 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-22 12:56:43,068 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-22 12:56:43,069 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-22 12:56:43,069 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-22 12:56:43,069 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-11-22 12:56:43,070 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-22 12:56:43,070 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-22 12:56:43,070 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-11-22 12:56:43,070 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-11-22 12:56:43,070 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-11-22 12:56:43,071 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-22 12:56:43,071 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-22 12:56:43,071 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-22 12:56:43,072 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-22 12:56:43,072 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-22 12:56:43,072 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-22 12:56:43,073 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-22 12:56:43,073 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-22 12:56:43,073 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-22 12:56:43,073 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-22 12:56:43,073 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-22 12:56:43,076 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 12:56:43 BoogieIcfgContainer [2020-11-22 12:56:43,076 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-22 12:56:43,077 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-22 12:56:43,077 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-22 12:56:43,077 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-22 12:56:43,078 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 12:56:37" (3/4) ... [2020-11-22 12:56:43,080 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-22 12:56:43,100 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2020-11-22 12:56:43,101 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2020-11-22 12:56:43,101 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-22 12:56:43,101 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-22 12:56:43,129 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven && (\exists currentRoundingMode : FloatRoundingMode :: x == ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE())) [2020-11-22 12:56:43,130 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\result == ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.sub~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE())), ~fp.sub~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()))) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE()) == ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]))) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && (\exists ULTIMATE.start___ieee754_asinf_~hx~1 : bv32, currentRoundingMode : FloatRoundingMode :: ix == ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_asinf_~hx~1) && ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE()) == ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_asinf_~hx~1[31:31], ULTIMATE.start___ieee754_asinf_~hx~1[30:23], ULTIMATE.start___ieee754_asinf_~hx~1[22:0]))) && (\exists currentRoundingMode : FloatRoundingMode :: x == ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE())) [2020-11-22 12:56:43,132 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((\result == ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.sub~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE())), ~fp.sub~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()))) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE()) == ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]))) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && (\exists ULTIMATE.start___ieee754_asinf_~hx~1 : bv32, currentRoundingMode : FloatRoundingMode :: ix == ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_asinf_~hx~1) && ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE()) == ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_asinf_~hx~1[31:31], ULTIMATE.start___ieee754_asinf_~hx~1[30:23], ULTIMATE.start___ieee754_asinf_~hx~1[22:0]))) && 1bv32 == \result) && (\exists currentRoundingMode : FloatRoundingMode :: x == ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE())) [2020-11-22 12:56:43,186 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_4582a88c-bed1-4a73-83d9-8c68987e9983/bin/utaipan/witness.graphml [2020-11-22 12:56:43,186 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-22 12:56:43,188 INFO L168 Benchmark]: Toolchain (without parser) took 17319.92 ms. Allocated memory is still 81.8 MB. Free memory was 65.1 MB in the beginning and 40.0 MB in the end (delta: 25.1 MB). Peak memory consumption was 25.4 MB. Max. memory is 16.1 GB. [2020-11-22 12:56:43,189 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 58.7 MB. Free memory is still 41.1 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-22 12:56:43,189 INFO L168 Benchmark]: CACSL2BoogieTranslator took 451.60 ms. Allocated memory is still 81.8 MB. Free memory was 64.9 MB in the beginning and 62.6 MB in the end (delta: 2.3 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-11-22 12:56:43,190 INFO L168 Benchmark]: Boogie Procedure Inliner took 59.96 ms. Allocated memory is still 81.8 MB. Free memory was 62.6 MB in the beginning and 60.1 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-22 12:56:43,190 INFO L168 Benchmark]: Boogie Preprocessor took 91.34 ms. Allocated memory is still 81.8 MB. Free memory was 60.1 MB in the beginning and 57.7 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-22 12:56:43,191 INFO L168 Benchmark]: RCFGBuilder took 10802.33 ms. Allocated memory is still 81.8 MB. Free memory was 57.7 MB in the beginning and 56.2 MB in the end (delta: 1.5 MB). Peak memory consumption was 29.7 MB. Max. memory is 16.1 GB. [2020-11-22 12:56:43,191 INFO L168 Benchmark]: TraceAbstraction took 5798.03 ms. Allocated memory is still 81.8 MB. Free memory was 55.5 MB in the beginning and 45.1 MB in the end (delta: 10.4 MB). Peak memory consumption was 26.2 MB. Max. memory is 16.1 GB. [2020-11-22 12:56:43,191 INFO L168 Benchmark]: Witness Printer took 109.74 ms. Allocated memory is still 81.8 MB. Free memory was 45.1 MB in the beginning and 40.0 MB in the end (delta: 5.1 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-11-22 12:56:43,194 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 58.7 MB. Free memory is still 41.1 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 451.60 ms. Allocated memory is still 81.8 MB. Free memory was 64.9 MB in the beginning and 62.6 MB in the end (delta: 2.3 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 59.96 ms. Allocated memory is still 81.8 MB. Free memory was 62.6 MB in the beginning and 60.1 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 91.34 ms. Allocated memory is still 81.8 MB. Free memory was 60.1 MB in the beginning and 57.7 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 10802.33 ms. Allocated memory is still 81.8 MB. Free memory was 57.7 MB in the beginning and 56.2 MB in the end (delta: 1.5 MB). Peak memory consumption was 29.7 MB. Max. memory is 16.1 GB. * TraceAbstraction took 5798.03 ms. Allocated memory is still 81.8 MB. Free memory was 55.5 MB in the beginning and 45.1 MB in the end (delta: 10.4 MB). Peak memory consumption was 26.2 MB. Max. memory is 16.1 GB. * Witness Printer took 109.74 ms. Allocated memory is still 81.8 MB. Free memory was 45.1 MB in the beginning and 40.0 MB in the end (delta: 5.1 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 223]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 64]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 155]: Loop Invariant [2020-11-22 12:56:43,211 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-22 12:56:43,211 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-22 12:56:43,212 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-22 12:56:43,212 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-22 12:56:43,212 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-22 12:56:43,212 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-22 12:56:43,212 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-22 12:56:43,212 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-22 12:56:43,213 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-22 12:56:43,213 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-22 12:56:43,213 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-22 12:56:43,213 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-22 12:56:43,213 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-22 12:56:43,214 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-22 12:56:43,214 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-11-22 12:56:43,214 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-22 12:56:43,214 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-22 12:56:43,214 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-11-22 12:56:43,214 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-11-22 12:56:43,214 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-11-22 12:56:43,215 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-22 12:56:43,215 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-22 12:56:43,215 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-22 12:56:43,216 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-22 12:56:43,216 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-22 12:56:43,216 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-22 12:56:43,216 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-22 12:56:43,216 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-22 12:56:43,217 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-22 12:56:43,217 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-22 12:56:43,217 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-22 12:56:43,217 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-22 12:56:43,217 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-22 12:56:43,217 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-22 12:56:43,218 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-22 12:56:43,222 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-22 12:56:43,222 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-22 12:56:43,222 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-11-22 12:56:43,222 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-22 12:56:43,224 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-22 12:56:43,224 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-11-22 12:56:43,225 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-11-22 12:56:43,225 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-11-22 12:56:43,225 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-22 12:56:43,225 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-22 12:56:43,225 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: (((\result == ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.sub~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE())), ~fp.sub~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()))) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE()) == ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]))) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && (\exists ULTIMATE.start___ieee754_asinf_~hx~1 : bv32, currentRoundingMode : FloatRoundingMode :: ix == ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_asinf_~hx~1) && ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE()) == ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_asinf_~hx~1[31:31], ULTIMATE.start___ieee754_asinf_~hx~1[30:23], ULTIMATE.start___ieee754_asinf_~hx~1[22:0]))) && (\exists currentRoundingMode : FloatRoundingMode :: x == ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE())) - InvariantResult [Line: 60]: Loop Invariant [2020-11-22 12:56:43,226 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-22 12:56:43,227 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-22 12:56:43,227 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-22 12:56:43,227 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-22 12:56:43,227 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-22 12:56:43,227 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-22 12:56:43,227 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-22 12:56:43,228 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-22 12:56:43,228 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-22 12:56:43,228 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-22 12:56:43,228 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-22 12:56:43,228 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-22 12:56:43,228 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-22 12:56:43,229 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-22 12:56:43,229 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-11-22 12:56:43,229 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-22 12:56:43,229 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-22 12:56:43,229 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-11-22 12:56:43,229 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-11-22 12:56:43,229 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-11-22 12:56:43,234 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-22 12:56:43,234 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-22 12:56:43,235 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-22 12:56:43,235 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-22 12:56:43,236 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-22 12:56:43,236 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-22 12:56:43,236 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-22 12:56:43,236 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-22 12:56:43,236 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-22 12:56:43,237 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-22 12:56:43,237 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-22 12:56:43,237 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-22 12:56:43,237 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-22 12:56:43,237 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-22 12:56:43,238 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-22 12:56:43,238 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-22 12:56:43,239 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-22 12:56:43,239 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-11-22 12:56:43,239 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-22 12:56:43,239 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-22 12:56:43,240 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-11-22 12:56:43,240 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-11-22 12:56:43,240 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-11-22 12:56:43,240 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-22 12:56:43,240 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-22 12:56:43,240 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: ((((\result == ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.sub~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE())), ~fp.sub~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()))) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE()) == ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]))) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && (\exists ULTIMATE.start___ieee754_asinf_~hx~1 : bv32, currentRoundingMode : FloatRoundingMode :: ix == ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_asinf_~hx~1) && ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE()) == ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_asinf_~hx~1[31:31], ULTIMATE.start___ieee754_asinf_~hx~1[30:23], ULTIMATE.start___ieee754_asinf_~hx~1[22:0]))) && 1bv32 == \result) && (\exists currentRoundingMode : FloatRoundingMode :: x == ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE())) - InvariantResult [Line: 158]: Loop Invariant [2020-11-22 12:56:43,246 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-22 12:56:43,246 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-22 12:56:43,246 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-22 12:56:43,246 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-22 12:56:43,247 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-22 12:56:43,247 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-22 12:56:43,247 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-11-22 12:56:43,247 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven && (\exists currentRoundingMode : FloatRoundingMode :: x == ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE())) - InvariantResult [Line: 201]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 132]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 100]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 69]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 86]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 130]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 123]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 57 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 5.2s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 1.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 84 SDtfs, 42 SDslu, 22 SDs, 0 SdLazy, 26 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 59 GetRequests, 39 SyntacticMatches, 2 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 1.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=57occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 12 LocationsWithAnnotation, 12 PreInvPairs, 16 NumberOfFragments, 187 HoareAnnotationTreeSize, 12 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 12 FomulaSimplificationsInter, 24 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.8s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 30 NumberOfCodeBlocks, 30 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 54 ConstructedInterpolants, 5 QuantifiedInterpolants, 2608 SizeOfPredicates, 17 NumberOfNonLiveVariables, 183 ConjunctsInSsa, 20 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...