./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_0730a.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_a93d18f5-d05e-4264-86bd-b5c2fbd18560/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_a93d18f5-d05e-4264-86bd-b5c2fbd18560/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_a93d18f5-d05e-4264-86bd-b5c2fbd18560/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_a93d18f5-d05e-4264-86bd-b5c2fbd18560/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0730a.c -s /tmp/vcloud-vcloud-master/worker/run_dir_a93d18f5-d05e-4264-86bd-b5c2fbd18560/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_a93d18f5-d05e-4264-86bd-b5c2fbd18560/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 890580debe4a85623aba698da780d7a7a0a13661 ............................................................................................................................................................................................................................................................................................................... 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_a93d18f5-d05e-4264-86bd-b5c2fbd18560/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_a93d18f5-d05e-4264-86bd-b5c2fbd18560/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_a93d18f5-d05e-4264-86bd-b5c2fbd18560/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_a93d18f5-d05e-4264-86bd-b5c2fbd18560/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0730a.c -s /tmp/vcloud-vcloud-master/worker/run_dir_a93d18f5-d05e-4264-86bd-b5c2fbd18560/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_a93d18f5-d05e-4264-86bd-b5c2fbd18560/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 890580debe4a85623aba698da780d7a7a0a13661 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-30 03:14:33,155 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-30 03:14:33,158 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-30 03:14:33,275 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-30 03:14:33,276 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-30 03:14:33,277 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-30 03:14:33,280 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-30 03:14:33,285 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-30 03:14:33,288 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-30 03:14:33,291 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-30 03:14:33,292 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-30 03:14:33,294 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-30 03:14:33,295 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-30 03:14:33,297 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-30 03:14:33,299 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-30 03:14:33,301 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-30 03:14:33,303 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-30 03:14:33,305 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-30 03:14:33,308 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-30 03:14:33,319 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-30 03:14:33,329 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-30 03:14:33,332 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-30 03:14:33,334 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-30 03:14:33,335 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-30 03:14:33,340 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-30 03:14:33,341 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-30 03:14:33,341 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-30 03:14:33,343 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-30 03:14:33,344 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-30 03:14:33,345 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-30 03:14:33,346 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-30 03:14:33,347 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-30 03:14:33,349 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-30 03:14:33,350 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-30 03:14:33,352 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-30 03:14:33,352 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-30 03:14:33,353 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-30 03:14:33,354 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-30 03:14:33,354 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-30 03:14:33,355 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-30 03:14:33,356 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-30 03:14:33,357 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_a93d18f5-d05e-4264-86bd-b5c2fbd18560/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2020-11-30 03:14:33,390 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-30 03:14:33,403 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-30 03:14:33,404 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-30 03:14:33,405 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-30 03:14:33,405 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-30 03:14:33,405 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-30 03:14:33,406 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-11-30 03:14:33,406 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-30 03:14:33,406 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-30 03:14:33,407 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-11-30 03:14:33,408 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-11-30 03:14:33,409 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-30 03:14:33,409 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-11-30 03:14:33,409 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-11-30 03:14:33,410 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-11-30 03:14:33,411 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-30 03:14:33,411 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-30 03:14:33,411 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-30 03:14:33,412 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-30 03:14:33,412 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-30 03:14:33,412 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-30 03:14:33,413 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-30 03:14:33,413 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-30 03:14:33,413 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-30 03:14:33,414 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-30 03:14:33,414 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-30 03:14:33,414 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-30 03:14:33,415 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-30 03:14:33,415 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-30 03:14:33,418 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-30 03:14:33,418 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-30 03:14:33,418 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-30 03:14:33,419 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-30 03:14:33,419 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-30 03:14:33,419 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-30 03:14:33,420 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-11-30 03:14:33,420 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-30 03:14:33,420 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-30 03:14:33,421 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-30 03:14:33,421 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-30 03:14:33,421 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_a93d18f5-d05e-4264-86bd-b5c2fbd18560/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_a93d18f5-d05e-4264-86bd-b5c2fbd18560/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 890580debe4a85623aba698da780d7a7a0a13661 [2020-11-30 03:14:33,776 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-30 03:14:33,832 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-30 03:14:33,838 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-30 03:14:33,840 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-30 03:14:33,841 INFO L275 PluginConnector]: CDTParser initialized [2020-11-30 03:14:33,842 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_a93d18f5-d05e-4264-86bd-b5c2fbd18560/bin/utaipan/../../sv-benchmarks/c/float-newlib/float_req_bl_0730a.c [2020-11-30 03:14:33,933 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_a93d18f5-d05e-4264-86bd-b5c2fbd18560/bin/utaipan/data/c806d252c/76d4ccf996184a3eba4fca97fb2100ec/FLAG896763610 [2020-11-30 03:14:34,530 INFO L306 CDTParser]: Found 1 translation units. [2020-11-30 03:14:34,531 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_a93d18f5-d05e-4264-86bd-b5c2fbd18560/sv-benchmarks/c/float-newlib/float_req_bl_0730a.c [2020-11-30 03:14:34,540 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_a93d18f5-d05e-4264-86bd-b5c2fbd18560/bin/utaipan/data/c806d252c/76d4ccf996184a3eba4fca97fb2100ec/FLAG896763610 [2020-11-30 03:14:34,898 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_a93d18f5-d05e-4264-86bd-b5c2fbd18560/bin/utaipan/data/c806d252c/76d4ccf996184a3eba4fca97fb2100ec [2020-11-30 03:14:34,918 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-30 03:14:34,920 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-30 03:14:34,922 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-30 03:14:34,923 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-30 03:14:34,927 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-30 03:14:34,928 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 03:14:34" (1/1) ... [2020-11-30 03:14:34,930 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b555936 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 03:14:34, skipping insertion in model container [2020-11-30 03:14:34,931 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 03:14:34" (1/1) ... [2020-11-30 03:14:34,938 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-30 03:14:34,963 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-30 03:14:35,272 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 03:14:35,285 INFO L203 MainTranslator]: Completed pre-run [2020-11-30 03:14:35,319 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 03:14:35,338 INFO L208 MainTranslator]: Completed translation [2020-11-30 03:14:35,339 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 03:14:35 WrapperNode [2020-11-30 03:14:35,339 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-30 03:14:35,341 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-30 03:14:35,343 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-30 03:14:35,343 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-30 03:14:35,354 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 03:14:35" (1/1) ... [2020-11-30 03:14:35,373 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 03:14:35" (1/1) ... [2020-11-30 03:14:35,409 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-30 03:14:35,410 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-30 03:14:35,411 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-30 03:14:35,411 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-30 03:14:35,424 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 03:14:35" (1/1) ... [2020-11-30 03:14:35,429 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 03:14:35" (1/1) ... [2020-11-30 03:14:35,433 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 03:14:35" (1/1) ... [2020-11-30 03:14:35,435 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 03:14:35" (1/1) ... [2020-11-30 03:14:35,448 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 03:14:35" (1/1) ... [2020-11-30 03:14:35,464 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 03:14:35" (1/1) ... [2020-11-30 03:14:35,467 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 03:14:35" (1/1) ... [2020-11-30 03:14:35,470 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-30 03:14:35,472 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-30 03:14:35,479 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-30 03:14:35,479 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-30 03:14:35,482 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 03:14:35" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a93d18f5-d05e-4264-86bd-b5c2fbd18560/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 [2020-11-30 03:14:35,549 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-30 03:14:35,549 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-30 03:14:35,549 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-11-30 03:14:35,550 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-30 03:14:35,550 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-11-30 03:14:35,550 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-30 03:14:35,550 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-30 03:14:35,550 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-30 03:14:35,551 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-30 03:14:38,535 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-30 03:14:38,536 INFO L298 CfgBuilder]: Removed 18 assume(true) statements. [2020-11-30 03:14:38,538 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 03:14:38 BoogieIcfgContainer [2020-11-30 03:14:38,539 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-30 03:14:38,541 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-30 03:14:38,541 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-30 03:14:38,547 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-30 03:14:38,548 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.11 03:14:34" (1/3) ... [2020-11-30 03:14:38,549 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ed43d1c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 03:14:38, skipping insertion in model container [2020-11-30 03:14:38,549 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 03:14:35" (2/3) ... [2020-11-30 03:14:38,550 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ed43d1c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 03:14:38, skipping insertion in model container [2020-11-30 03:14:38,550 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 03:14:38" (3/3) ... [2020-11-30 03:14:38,552 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_0730a.c [2020-11-30 03:14:38,565 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-30 03:14:38,571 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-30 03:14:38,586 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-30 03:14:38,631 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-30 03:14:38,633 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-30 03:14:38,634 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-30 03:14:38,634 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-30 03:14:38,634 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-30 03:14:38,635 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-30 03:14:38,635 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-30 03:14:38,635 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-30 03:14:38,655 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states. [2020-11-30 03:14:38,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-11-30 03:14:38,663 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 03:14:38,665 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 03:14:38,665 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 03:14:38,674 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 03:14:38,674 INFO L82 PathProgramCache]: Analyzing trace with hash -93620772, now seen corresponding path program 1 times [2020-11-30 03:14:38,686 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-30 03:14:38,687 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [517370205] [2020-11-30 03:14:38,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 03:14:38,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 03:14:38,831 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 03:14:38,832 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [517370205] [2020-11-30 03:14:38,833 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 03:14:38,834 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-30 03:14:38,835 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [798633892] [2020-11-30 03:14:38,840 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-30 03:14:38,840 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-11-30 03:14:38,856 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-30 03:14:38,857 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-30 03:14:38,859 INFO L87 Difference]: Start difference. First operand 23 states. Second operand 2 states. [2020-11-30 03:14:38,880 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 03:14:38,881 INFO L93 Difference]: Finished difference Result 45 states and 69 transitions. [2020-11-30 03:14:38,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-30 03:14:38,883 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 9 [2020-11-30 03:14:38,884 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 03:14:38,904 INFO L225 Difference]: With dead ends: 45 [2020-11-30 03:14:38,915 INFO L226 Difference]: Without dead ends: 21 [2020-11-30 03:14:38,919 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 [2020-11-30 03:14:38,942 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2020-11-30 03:14:38,960 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2020-11-30 03:14:38,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2020-11-30 03:14:38,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 26 transitions. [2020-11-30 03:14:38,966 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 26 transitions. Word has length 9 [2020-11-30 03:14:38,966 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 03:14:38,967 INFO L481 AbstractCegarLoop]: Abstraction has 21 states and 26 transitions. [2020-11-30 03:14:38,967 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-30 03:14:38,967 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 26 transitions. [2020-11-30 03:14:38,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-11-30 03:14:38,969 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 03:14:38,969 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 03:14:38,969 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-30 03:14:38,970 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 03:14:38,973 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 03:14:38,973 INFO L82 PathProgramCache]: Analyzing trace with hash -157536693, now seen corresponding path program 1 times [2020-11-30 03:14:38,974 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-30 03:14:38,974 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1526359921] [2020-11-30 03:14:38,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 03:14:39,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 03:14:39,127 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 03:14:39,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 03:14:39,217 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 03:14:39,267 INFO L173 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2020-11-30 03:14:39,268 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-11-30 03:14:39,269 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-30 03:14:39,324 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.11 03:14:39 BoogieIcfgContainer [2020-11-30 03:14:39,324 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-30 03:14:39,325 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-30 03:14:39,325 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-30 03:14:39,326 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-30 03:14:39,327 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 03:14:38" (3/4) ... [2020-11-30 03:14:39,331 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-11-30 03:14:39,331 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-30 03:14:39,336 INFO L168 Benchmark]: Toolchain (without parser) took 4412.84 ms. Allocated memory was 98.6 MB in the beginning and 119.5 MB in the end (delta: 21.0 MB). Free memory was 69.8 MB in the beginning and 63.5 MB in the end (delta: 6.3 MB). Peak memory consumption was 28.3 MB. Max. memory is 16.1 GB. [2020-11-30 03:14:39,337 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 98.6 MB. Free memory was 57.8 MB in the beginning and 57.7 MB in the end (delta: 42.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 03:14:39,339 INFO L168 Benchmark]: CACSL2BoogieTranslator took 417.37 ms. Allocated memory is still 98.6 MB. Free memory was 69.6 MB in the beginning and 74.6 MB in the end (delta: -5.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-30 03:14:39,341 INFO L168 Benchmark]: Boogie Procedure Inliner took 68.90 ms. Allocated memory is still 98.6 MB. Free memory was 74.6 MB in the beginning and 73.1 MB in the end (delta: 1.6 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 03:14:39,342 INFO L168 Benchmark]: Boogie Preprocessor took 60.14 ms. Allocated memory is still 98.6 MB. Free memory was 72.9 MB in the beginning and 71.5 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-30 03:14:39,343 INFO L168 Benchmark]: RCFGBuilder took 3067.19 ms. Allocated memory was 98.6 MB in the beginning and 119.5 MB in the end (delta: 21.0 MB). Free memory was 71.5 MB in the beginning and 87.7 MB in the end (delta: -16.2 MB). Peak memory consumption was 29.2 MB. Max. memory is 16.1 GB. [2020-11-30 03:14:39,344 INFO L168 Benchmark]: TraceAbstraction took 783.10 ms. Allocated memory is still 119.5 MB. Free memory was 87.1 MB in the beginning and 64.1 MB in the end (delta: 23.1 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.1 GB. [2020-11-30 03:14:39,345 INFO L168 Benchmark]: Witness Printer took 6.96 ms. Allocated memory is still 119.5 MB. Free memory is still 63.5 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 03:14:39,357 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 98.6 MB. Free memory was 57.8 MB in the beginning and 57.7 MB in the end (delta: 42.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 417.37 ms. Allocated memory is still 98.6 MB. Free memory was 69.6 MB in the beginning and 74.6 MB in the end (delta: -5.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 68.90 ms. Allocated memory is still 98.6 MB. Free memory was 74.6 MB in the beginning and 73.1 MB in the end (delta: 1.6 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 60.14 ms. Allocated memory is still 98.6 MB. Free memory was 72.9 MB in the beginning and 71.5 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 3067.19 ms. Allocated memory was 98.6 MB in the beginning and 119.5 MB in the end (delta: 21.0 MB). Free memory was 71.5 MB in the beginning and 87.7 MB in the end (delta: -16.2 MB). Peak memory consumption was 29.2 MB. Max. memory is 16.1 GB. * TraceAbstraction took 783.10 ms. Allocated memory is still 119.5 MB. Free memory was 87.1 MB in the beginning and 64.1 MB in the end (delta: 23.1 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.1 GB. * Witness Printer took 6.96 ms. Allocated memory is still 119.5 MB. Free memory is still 63.5 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 3]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryArithmeticFLOAToperation at line 29, overapproximation of bitwiseAnd at line 91. Possible FailurePath: [L14] static const float one_sqrt = 1.0, tiny_sqrt = 1.0e-30; [L103] float x = 1.0f / 0.0f; [L17] float z; [L18] __uint32_t r, hx; [L19] __int32_t ix, s, q, m, t, i; VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000] [L22] ieee_float_shape_type gf_u; [L23] gf_u.value = (x) [L24] EXPR gf_u.word [L24] (ix) = gf_u.word [L26] hx = ix & 0x7fffffff VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000] [L28] COND TRUE !((hx) < 0x7f800000L) [L29] return x * x + x; VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000] [L105] float res = __ieee754_sqrtf(x); [L85] __int32_t ix; VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000] [L87] ieee_float_shape_type gf_u; [L88] gf_u.value = (x) [L89] EXPR gf_u.word [L89] (ix) = gf_u.word [L91] ix &= 0x7fffffff [L92] return ((ix) == 0x7f800000L); [L108] COND TRUE !isinf_float(res) [L3] __assert_fail("0", "float_req_bl_0730a.c", 3, "reach_error") VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 23 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.6s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 28 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=23occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 20 NumberOfCodeBlocks, 20 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 64 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-a4ecdab [2020-11-30 03:14:42,385 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-30 03:14:42,388 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-30 03:14:42,445 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-30 03:14:42,446 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-30 03:14:42,456 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-30 03:14:42,459 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-30 03:14:42,464 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-30 03:14:42,468 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-30 03:14:42,475 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-30 03:14:42,477 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-30 03:14:42,483 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-30 03:14:42,484 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-30 03:14:42,491 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-30 03:14:42,493 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-30 03:14:42,495 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-30 03:14:42,497 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-30 03:14:42,501 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-30 03:14:42,506 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-30 03:14:42,515 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-30 03:14:42,518 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-30 03:14:42,519 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-30 03:14:42,529 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-30 03:14:42,530 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-30 03:14:42,534 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-30 03:14:42,534 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-30 03:14:42,535 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-30 03:14:42,536 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-30 03:14:42,537 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-30 03:14:42,538 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-30 03:14:42,538 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-30 03:14:42,540 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-30 03:14:42,547 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-30 03:14:42,547 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-30 03:14:42,549 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-30 03:14:42,550 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-30 03:14:42,551 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-30 03:14:42,551 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-30 03:14:42,552 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-30 03:14:42,554 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-30 03:14:42,555 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-30 03:14:42,556 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_a93d18f5-d05e-4264-86bd-b5c2fbd18560/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2020-11-30 03:14:42,612 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-30 03:14:42,613 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-30 03:14:42,614 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-30 03:14:42,615 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-30 03:14:42,615 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-30 03:14:42,615 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-30 03:14:42,615 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-30 03:14:42,616 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-30 03:14:42,616 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-30 03:14:42,618 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-30 03:14:42,619 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-30 03:14:42,619 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-30 03:14:42,620 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-30 03:14:42,620 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-30 03:14:42,620 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-30 03:14:42,620 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-30 03:14:42,621 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-30 03:14:42,621 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-11-30 03:14:42,621 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-11-30 03:14:42,621 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-30 03:14:42,622 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-30 03:14:42,622 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-30 03:14:42,622 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-30 03:14:42,622 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-30 03:14:42,623 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-30 03:14:42,623 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-30 03:14:42,623 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-30 03:14:42,623 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-30 03:14:42,624 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-30 03:14:42,624 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-30 03:14:42,624 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-30 03:14:42,624 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-11-30 03:14:42,625 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-11-30 03:14:42,625 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-30 03:14:42,625 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-30 03:14:42,626 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-30 03:14:42,626 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_a93d18f5-d05e-4264-86bd-b5c2fbd18560/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_a93d18f5-d05e-4264-86bd-b5c2fbd18560/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 890580debe4a85623aba698da780d7a7a0a13661 [2020-11-30 03:14:43,168 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-30 03:14:43,206 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-30 03:14:43,209 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-30 03:14:43,211 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-30 03:14:43,215 INFO L275 PluginConnector]: CDTParser initialized [2020-11-30 03:14:43,216 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_a93d18f5-d05e-4264-86bd-b5c2fbd18560/bin/utaipan/../../sv-benchmarks/c/float-newlib/float_req_bl_0730a.c [2020-11-30 03:14:43,313 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_a93d18f5-d05e-4264-86bd-b5c2fbd18560/bin/utaipan/data/0bfba7ac4/6af7e785f8b24313865af5a1af1e3569/FLAG0dcb3670d [2020-11-30 03:14:43,906 INFO L306 CDTParser]: Found 1 translation units. [2020-11-30 03:14:43,907 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_a93d18f5-d05e-4264-86bd-b5c2fbd18560/sv-benchmarks/c/float-newlib/float_req_bl_0730a.c [2020-11-30 03:14:43,916 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_a93d18f5-d05e-4264-86bd-b5c2fbd18560/bin/utaipan/data/0bfba7ac4/6af7e785f8b24313865af5a1af1e3569/FLAG0dcb3670d [2020-11-30 03:14:44,315 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_a93d18f5-d05e-4264-86bd-b5c2fbd18560/bin/utaipan/data/0bfba7ac4/6af7e785f8b24313865af5a1af1e3569 [2020-11-30 03:14:44,327 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-30 03:14:44,329 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-30 03:14:44,331 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-30 03:14:44,331 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-30 03:14:44,355 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-30 03:14:44,356 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 03:14:44" (1/1) ... [2020-11-30 03:14:44,358 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c45baa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 03:14:44, skipping insertion in model container [2020-11-30 03:14:44,359 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 03:14:44" (1/1) ... [2020-11-30 03:14:44,373 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-30 03:14:44,409 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-30 03:14:44,618 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 03:14:44,634 INFO L203 MainTranslator]: Completed pre-run [2020-11-30 03:14:44,675 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 03:14:44,713 INFO L208 MainTranslator]: Completed translation [2020-11-30 03:14:44,728 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 03:14:44 WrapperNode [2020-11-30 03:14:44,728 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-30 03:14:44,730 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-30 03:14:44,730 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-30 03:14:44,731 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-30 03:14:44,751 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 03:14:44" (1/1) ... [2020-11-30 03:14:44,782 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 03:14:44" (1/1) ... [2020-11-30 03:14:44,831 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-30 03:14:44,832 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-30 03:14:44,833 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-30 03:14:44,833 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-30 03:14:44,846 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 03:14:44" (1/1) ... [2020-11-30 03:14:44,846 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 03:14:44" (1/1) ... [2020-11-30 03:14:44,874 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 03:14:44" (1/1) ... [2020-11-30 03:14:44,874 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 03:14:44" (1/1) ... [2020-11-30 03:14:44,886 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 03:14:44" (1/1) ... [2020-11-30 03:14:44,909 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 03:14:44" (1/1) ... [2020-11-30 03:14:44,912 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 03:14:44" (1/1) ... [2020-11-30 03:14:44,917 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-30 03:14:44,918 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-30 03:14:44,918 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-30 03:14:44,918 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-30 03:14:44,919 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 03:14:44" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a93d18f5-d05e-4264-86bd-b5c2fbd18560/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 [2020-11-30 03:14:45,013 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-11-30 03:14:45,013 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-30 03:14:45,016 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2020-11-30 03:14:45,016 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-11-30 03:14:45,017 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-30 03:14:45,017 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-30 03:14:45,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2020-11-30 03:14:45,018 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-11-30 03:14:45,018 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-30 03:14:46,562 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-30 03:14:46,563 INFO L298 CfgBuilder]: Removed 18 assume(true) statements. [2020-11-30 03:14:46,566 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 03:14:46 BoogieIcfgContainer [2020-11-30 03:14:46,566 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-30 03:14:46,574 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-30 03:14:46,574 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-30 03:14:46,578 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-30 03:14:46,579 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.11 03:14:44" (1/3) ... [2020-11-30 03:14:46,580 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ec767f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 03:14:46, skipping insertion in model container [2020-11-30 03:14:46,580 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 03:14:44" (2/3) ... [2020-11-30 03:14:46,581 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ec767f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 03:14:46, skipping insertion in model container [2020-11-30 03:14:46,581 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 03:14:46" (3/3) ... [2020-11-30 03:14:46,583 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_0730a.c [2020-11-30 03:14:46,597 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-30 03:14:46,602 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-30 03:14:46,617 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-30 03:14:46,645 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-30 03:14:46,646 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-30 03:14:46,646 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-30 03:14:46,646 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-30 03:14:46,646 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-30 03:14:46,646 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-30 03:14:46,646 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-30 03:14:46,647 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-30 03:14:46,671 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states. [2020-11-30 03:14:46,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-11-30 03:14:46,680 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 03:14:46,681 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 03:14:46,681 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 03:14:46,689 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 03:14:46,689 INFO L82 PathProgramCache]: Analyzing trace with hash 175857115, now seen corresponding path program 1 times [2020-11-30 03:14:46,705 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-30 03:14:46,706 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1352280325] [2020-11-30 03:14:46,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a93d18f5-d05e-4264-86bd-b5c2fbd18560/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 [2020-11-30 03:14:47,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 03:14:47,061 INFO L263 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 1 conjunts are in the unsatisfiable core [2020-11-30 03:14:47,070 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 03:14:47,095 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 03:14:47,095 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-30 03:14:47,106 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 03:14:47,108 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1352280325] [2020-11-30 03:14:47,109 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-30 03:14:47,109 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-11-30 03:14:47,110 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1087416468] [2020-11-30 03:14:47,116 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-30 03:14:47,117 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-30 03:14:47,137 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-30 03:14:47,139 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-30 03:14:47,142 INFO L87 Difference]: Start difference. First operand 37 states. Second operand 2 states. [2020-11-30 03:14:47,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 03:14:47,191 INFO L93 Difference]: Finished difference Result 71 states and 109 transitions. [2020-11-30 03:14:47,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-30 03:14:47,193 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2020-11-30 03:14:47,193 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 03:14:47,209 INFO L225 Difference]: With dead ends: 71 [2020-11-30 03:14:47,210 INFO L226 Difference]: Without dead ends: 33 [2020-11-30 03:14:47,214 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-30 03:14:47,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2020-11-30 03:14:47,261 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2020-11-30 03:14:47,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2020-11-30 03:14:47,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 43 transitions. [2020-11-30 03:14:47,269 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 43 transitions. Word has length 11 [2020-11-30 03:14:47,269 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 03:14:47,269 INFO L481 AbstractCegarLoop]: Abstraction has 33 states and 43 transitions. [2020-11-30 03:14:47,270 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-30 03:14:47,270 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 43 transitions. [2020-11-30 03:14:47,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-11-30 03:14:47,271 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 03:14:47,272 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 03:14:47,485 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-11-30 03:14:47,486 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 03:14:47,488 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 03:14:47,489 INFO L82 PathProgramCache]: Analyzing trace with hash -1305768564, now seen corresponding path program 1 times [2020-11-30 03:14:47,493 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-30 03:14:47,493 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [374766346] [2020-11-30 03:14:47,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a93d18f5-d05e-4264-86bd-b5c2fbd18560/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 [2020-11-30 03:14:47,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 03:14:47,836 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 15 conjunts are in the unsatisfiable core [2020-11-30 03:14:47,839 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 03:14:48,014 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-30 03:14:48,083 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 03:14:48,087 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-30 03:14:57,403 WARN L193 SmtUtils]: Spent 470.00 ms on a formula simplification that was a NOOP. DAG size: 17 [2020-11-30 03:14:57,451 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 03:14:57,452 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [374766346] [2020-11-30 03:14:57,452 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-30 03:14:57,453 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8, 8] imperfect sequences [] total 15 [2020-11-30 03:14:57,453 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1683571961] [2020-11-30 03:14:57,455 INFO L461 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-11-30 03:14:57,455 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-30 03:14:57,456 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-11-30 03:14:57,457 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=176, Unknown=0, NotChecked=0, Total=210 [2020-11-30 03:14:57,457 INFO L87 Difference]: Start difference. First operand 33 states and 43 transitions. Second operand 15 states. [2020-11-30 03:14:59,113 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 29 [2020-11-30 03:14:59,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 03:14:59,580 INFO L93 Difference]: Finished difference Result 41 states and 50 transitions. [2020-11-30 03:14:59,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-11-30 03:14:59,581 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 13 [2020-11-30 03:14:59,582 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 03:14:59,583 INFO L225 Difference]: With dead ends: 41 [2020-11-30 03:14:59,583 INFO L226 Difference]: Without dead ends: 33 [2020-11-30 03:14:59,585 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 10 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 9.8s TimeCoverageRelationStatistics Valid=99, Invalid=281, Unknown=0, NotChecked=0, Total=380 [2020-11-30 03:14:59,585 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2020-11-30 03:14:59,589 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2020-11-30 03:14:59,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2020-11-30 03:14:59,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 41 transitions. [2020-11-30 03:14:59,591 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 41 transitions. Word has length 13 [2020-11-30 03:14:59,591 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 03:14:59,591 INFO L481 AbstractCegarLoop]: Abstraction has 33 states and 41 transitions. [2020-11-30 03:14:59,592 INFO L482 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-11-30 03:14:59,592 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 41 transitions. [2020-11-30 03:14:59,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-11-30 03:14:59,593 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 03:14:59,593 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 03:14:59,808 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-11-30 03:14:59,808 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 03:14:59,809 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 03:14:59,809 INFO L82 PathProgramCache]: Analyzing trace with hash -358919737, now seen corresponding path program 1 times [2020-11-30 03:14:59,810 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-30 03:14:59,810 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1848288945] [2020-11-30 03:14:59,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a93d18f5-d05e-4264-86bd-b5c2fbd18560/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 [2020-11-30 03:15:00,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 03:15:00,147 INFO L263 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 8 conjunts are in the unsatisfiable core [2020-11-30 03:15:00,149 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 03:15:00,295 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 03:15:00,295 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-30 03:15:00,449 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 03:15:00,449 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1848288945] [2020-11-30 03:15:00,450 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-30 03:15:00,450 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2020-11-30 03:15:00,450 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1365662693] [2020-11-30 03:15:00,451 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-11-30 03:15:00,451 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-30 03:15:00,452 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-11-30 03:15:00,452 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-11-30 03:15:00,453 INFO L87 Difference]: Start difference. First operand 33 states and 41 transitions. Second operand 8 states. [2020-11-30 03:15:00,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 03:15:00,582 INFO L93 Difference]: Finished difference Result 33 states and 41 transitions. [2020-11-30 03:15:00,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-30 03:15:00,582 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 15 [2020-11-30 03:15:00,582 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 03:15:00,582 INFO L225 Difference]: With dead ends: 33 [2020-11-30 03:15:00,583 INFO L226 Difference]: Without dead ends: 0 [2020-11-30 03:15:00,583 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2020-11-30 03:15:00,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-30 03:15:00,584 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-30 03:15:00,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-30 03:15:00,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-30 03:15:00,584 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 15 [2020-11-30 03:15:00,584 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 03:15:00,585 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-30 03:15:00,585 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-11-30 03:15:00,585 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-30 03:15:00,585 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-30 03:15:00,796 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-11-30 03:15:00,799 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-30 03:15:00,979 INFO L270 CegarLoopResult]: At program point L52-2(lines 52 61) the Hoare annotation is: false [2020-11-30 03:15:00,980 INFO L274 CegarLoopResult]: For program point L52-3(lines 16 81) no Hoare annotation was computed. [2020-11-30 03:15:00,980 INFO L274 CegarLoopResult]: For program point L44(lines 44 45) no Hoare annotation was computed. [2020-11-30 03:15:00,980 INFO L274 CegarLoopResult]: For program point L44-2(lines 44 45) no Hoare annotation was computed. [2020-11-30 03:15:00,980 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-11-30 03:15:00,980 INFO L274 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-11-30 03:15:00,980 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-11-30 03:15:00,980 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-30 03:15:00,980 INFO L274 CegarLoopResult]: For program point L28(lines 28 29) no Hoare annotation was computed. [2020-11-30 03:15:00,981 INFO L274 CegarLoopResult]: For program point L86-1(lines 86 90) no Hoare annotation was computed. [2020-11-30 03:15:00,981 INFO L270 CegarLoopResult]: At program point L86-2(lines 86 90) the Hoare annotation is: (let ((.cse0 (let ((.cse1 (fp.div roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven 1.0) (_ +zero 8 24)))) (fp.add roundNearestTiesToEven (fp.mul roundNearestTiesToEven .cse1 .cse1) .cse1)))) (and (= currentRoundingMode roundNearestTiesToEven) (= .cse0 ULTIMATE.start_isinf_float_~x) (= ULTIMATE.start___ieee754_sqrtf_~x (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24))) (= |ULTIMATE.start___ieee754_sqrtf_#res| .cse0))) [2020-11-30 03:15:00,981 INFO L274 CegarLoopResult]: For program point L86-3(lines 86 90) no Hoare annotation was computed. [2020-11-30 03:15:00,981 INFO L274 CegarLoopResult]: For program point L37(lines 37 41) no Hoare annotation was computed. [2020-11-30 03:15:00,981 INFO L274 CegarLoopResult]: For program point L37-2(lines 37 41) no Hoare annotation was computed. [2020-11-30 03:15:00,981 INFO L274 CegarLoopResult]: For program point L54(lines 54 58) no Hoare annotation was computed. [2020-11-30 03:15:00,982 INFO L274 CegarLoopResult]: For program point L21-1(lines 21 25) no Hoare annotation was computed. [2020-11-30 03:15:00,982 INFO L274 CegarLoopResult]: For program point L54-2(lines 54 58) no Hoare annotation was computed. [2020-11-30 03:15:00,982 INFO L270 CegarLoopResult]: At program point L21-2(lines 21 25) the Hoare annotation is: (and (= currentRoundingMode roundNearestTiesToEven) (= ULTIMATE.start___ieee754_sqrtf_~x (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)))) [2020-11-30 03:15:00,982 INFO L274 CegarLoopResult]: For program point L21-3(lines 21 25) no Hoare annotation was computed. [2020-11-30 03:15:00,982 INFO L274 CegarLoopResult]: For program point L38-2(lines 38 39) no Hoare annotation was computed. [2020-11-30 03:15:00,982 INFO L270 CegarLoopResult]: At program point L38-3(lines 38 39) the Hoare annotation is: false [2020-11-30 03:15:00,982 INFO L274 CegarLoopResult]: For program point L38-4(lines 38 39) no Hoare annotation was computed. [2020-11-30 03:15:00,982 INFO L274 CegarLoopResult]: For program point L63(lines 63 72) no Hoare annotation was computed. [2020-11-30 03:15:00,983 INFO L277 CegarLoopResult]: At program point L113(lines 95 114) the Hoare annotation is: true [2020-11-30 03:15:00,983 INFO L270 CegarLoopResult]: At program point L80(lines 16 81) the Hoare annotation is: (and (= currentRoundingMode roundNearestTiesToEven) (= ULTIMATE.start___ieee754_sqrtf_~x (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24))) (= |ULTIMATE.start___ieee754_sqrtf_#res| (let ((.cse0 (fp.div roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven 1.0) (_ +zero 8 24)))) (fp.add roundNearestTiesToEven (fp.mul roundNearestTiesToEven .cse0 .cse0) .cse0)))) [2020-11-30 03:15:00,983 INFO L274 CegarLoopResult]: For program point L31(lines 31 32) no Hoare annotation was computed. [2020-11-30 03:15:00,983 INFO L274 CegarLoopResult]: For program point L65(lines 65 71) no Hoare annotation was computed. [2020-11-30 03:15:00,983 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-11-30 03:15:00,983 INFO L274 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-30 03:15:00,983 INFO L274 CegarLoopResult]: For program point L33(lines 33 34) no Hoare annotation was computed. [2020-11-30 03:15:00,984 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-30 03:15:00,986 INFO L274 CegarLoopResult]: For program point L108(lines 108 111) no Hoare annotation was computed. [2020-11-30 03:15:00,987 INFO L274 CegarLoopResult]: For program point L75-1(lines 75 79) no Hoare annotation was computed. [2020-11-30 03:15:00,987 INFO L270 CegarLoopResult]: At program point L75-2(lines 75 79) the Hoare annotation is: false [2020-11-30 03:15:00,987 INFO L274 CegarLoopResult]: For program point L75-3(lines 75 79) no Hoare annotation was computed. [2020-11-30 03:15:00,987 INFO L274 CegarLoopResult]: For program point L67(lines 67 70) no Hoare annotation was computed. [2020-11-30 03:15:00,988 INFO L270 CegarLoopResult]: At program point L92(lines 84 93) the Hoare annotation is: (let ((.cse0 (let ((.cse1 (fp.div roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven 1.0) (_ +zero 8 24)))) (fp.add roundNearestTiesToEven (fp.mul roundNearestTiesToEven .cse1 .cse1) .cse1)))) (and (= .cse0 (fp ((_ extract 31 31) ULTIMATE.start_isinf_float_~ix~1) ((_ extract 30 23) ULTIMATE.start_isinf_float_~ix~1) ((_ extract 22 0) ULTIMATE.start_isinf_float_~ix~1))) (= currentRoundingMode roundNearestTiesToEven) (= .cse0 ULTIMATE.start_isinf_float_~x) (= (bvadd |ULTIMATE.start_isinf_float_#res| (_ bv4294967295 32)) (_ bv0 32)) (= ULTIMATE.start___ieee754_sqrtf_~x (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24))) (= |ULTIMATE.start___ieee754_sqrtf_#res| .cse0))) [2020-11-30 03:15:01,003 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 03:15:01,004 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 03:15:01,005 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 03:15:01,005 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 03:15:01,005 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 03:15:01,006 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 03:15:01,006 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 03:15:01,006 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 03:15:01,006 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 03:15:01,008 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 03:15:01,009 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 03:15:01,009 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 03:15:01,015 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 03:15:01,018 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 03:15:01,018 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 03:15:01,019 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 03:15:01,019 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 03:15:01,019 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 03:15:01,019 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 03:15:01,020 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 03:15:01,020 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 03:15:01,021 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 03:15:01,021 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 03:15:01,021 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 03:15:01,024 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 03:15:01,026 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 03:15:01,026 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 03:15:01,026 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 03:15:01,027 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 03:15:01,027 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 03:15:01,028 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 03:15:01,028 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 03:15:01,028 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 03:15:01,029 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 03:15:01,030 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 03:15:01,034 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 03:15:01,034 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 03:15:01,034 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 03:15:01,035 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 03:15:01,035 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 03:15:01,035 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 03:15:01,036 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 03:15:01,036 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 03:15:01,037 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 03:15:01,037 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 03:15:01,037 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 03:15:01,037 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 03:15:01,038 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 03:15:01,038 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 03:15:01,039 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 03:15:01,039 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 03:15:01,039 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 03:15:01,040 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 03:15:01,040 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 03:15:01,041 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 03:15:01,042 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 03:15:01,053 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 03:15:01,054 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 03:15:01,054 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 03:15:01,054 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 03:15:01,055 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 03:15:01,055 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 03:15:01,055 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 03:15:01,055 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 03:15:01,056 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 03:15:01,056 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 03:15:01,056 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 03:15:01,058 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 03:15:01,058 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 03:15:01,058 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 03:15:01,058 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 03:15:01,059 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 03:15:01,064 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 03:15:01,064 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 03:15:01,064 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 03:15:01,065 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 03:15:01,065 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 03:15:01,065 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 03:15:01,068 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 03:15:01,069 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 03:15:01,070 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 03:15:01,082 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 03:15:01,082 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 03:15:01,082 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 03:15:01,083 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 03:15:01,083 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 03:15:01,083 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 03:15:01,084 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 03:15:01,084 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 03:15:01,085 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 03:15:01,085 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 03:15:01,085 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 03:15:01,085 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 03:15:01,086 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 03:15:01,086 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 03:15:01,086 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 03:15:01,086 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 03:15:01,087 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 03:15:01,087 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 03:15:01,087 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 03:15:01,087 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 03:15:01,088 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 03:15:01,088 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 03:15:01,088 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 03:15:01,088 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 03:15:01,089 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 03:15:01,089 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 03:15:01,089 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 03:15:01,090 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 03:15:01,090 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 03:15:01,091 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 03:15:01,091 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 03:15:01,091 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 03:15:01,091 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 03:15:01,092 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 03:15:01,092 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 03:15:01,092 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 03:15:01,092 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 03:15:01,093 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 03:15:01,093 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 03:15:01,093 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 03:15:01,093 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 03:15:01,094 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 03:15:01,094 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 03:15:01,094 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 03:15:01,097 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 03:15:01,097 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 03:15:01,097 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 03:15:01,100 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.11 03:15:01 BoogieIcfgContainer [2020-11-30 03:15:01,100 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-30 03:15:01,101 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-30 03:15:01,101 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-30 03:15:01,101 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-30 03:15:01,102 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 03:14:46" (3/4) ... [2020-11-30 03:15:01,105 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-11-30 03:15:01,118 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2020-11-30 03:15:01,119 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-11-30 03:15:01,119 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-30 03:15:01,120 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-11-30 03:15:01,149 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven && x == ~fp.div~FLOAT(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0), ~Pluszero~LONGDOUBLE())) && \result == ~fp.add~FLOAT(~roundNearestTiesToEven, ~fp.mul~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.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE())) [2020-11-30 03:15:01,150 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven && ~fp.add~FLOAT(~roundNearestTiesToEven, ~fp.mul~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.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE())) == x) && x == ~fp.div~FLOAT(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0), ~Pluszero~LONGDOUBLE())) && \result == ~fp.add~FLOAT(~roundNearestTiesToEven, ~fp.mul~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.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE())) [2020-11-30 03:15:01,151 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((~fp.add~FLOAT(~roundNearestTiesToEven, ~fp.mul~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.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE())) == ~fp~LONGDOUBLE(ix[31:31], ix[30:23], ix[22:0]) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && ~fp.add~FLOAT(~roundNearestTiesToEven, ~fp.mul~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.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE())) == x) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && x == ~fp.div~FLOAT(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0), ~Pluszero~LONGDOUBLE())) && \result == ~fp.add~FLOAT(~roundNearestTiesToEven, ~fp.mul~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.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE())) [2020-11-30 03:15:01,207 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_a93d18f5-d05e-4264-86bd-b5c2fbd18560/bin/utaipan/witness.graphml [2020-11-30 03:15:01,208 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-30 03:15:01,209 INFO L168 Benchmark]: Toolchain (without parser) took 16879.51 ms. Allocated memory was 60.8 MB in the beginning and 73.4 MB in the end (delta: 12.6 MB). Free memory was 40.9 MB in the beginning and 41.9 MB in the end (delta: -945.1 kB). Peak memory consumption was 11.6 MB. Max. memory is 16.1 GB. [2020-11-30 03:15:01,210 INFO L168 Benchmark]: CDTParser took 0.32 ms. Allocated memory is still 60.8 MB. Free memory is still 42.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 03:15:01,210 INFO L168 Benchmark]: CACSL2BoogieTranslator took 397.51 ms. Allocated memory is still 60.8 MB. Free memory was 40.6 MB in the beginning and 44.2 MB in the end (delta: -3.6 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2020-11-30 03:15:01,211 INFO L168 Benchmark]: Boogie Procedure Inliner took 101.56 ms. Allocated memory is still 60.8 MB. Free memory was 44.2 MB in the beginning and 42.4 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-30 03:15:01,211 INFO L168 Benchmark]: Boogie Preprocessor took 84.48 ms. Allocated memory is still 60.8 MB. Free memory was 42.4 MB in the beginning and 40.7 MB in the end (delta: 1.7 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 03:15:01,212 INFO L168 Benchmark]: RCFGBuilder took 1654.02 ms. Allocated memory is still 60.8 MB. Free memory was 40.5 MB in the beginning and 36.8 MB in the end (delta: 3.7 MB). Peak memory consumption was 20.2 MB. Max. memory is 16.1 GB. [2020-11-30 03:15:01,218 INFO L168 Benchmark]: TraceAbstraction took 14526.49 ms. Allocated memory was 60.8 MB in the beginning and 73.4 MB in the end (delta: 12.6 MB). Free memory was 36.6 MB in the beginning and 45.5 MB in the end (delta: -8.9 MB). Peak memory consumption was 24.1 MB. Max. memory is 16.1 GB. [2020-11-30 03:15:01,223 INFO L168 Benchmark]: Witness Printer took 106.93 ms. Allocated memory is still 73.4 MB. Free memory was 45.5 MB in the beginning and 41.9 MB in the end (delta: 3.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-30 03:15:01,225 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32 ms. Allocated memory is still 60.8 MB. Free memory is still 42.6 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 397.51 ms. Allocated memory is still 60.8 MB. Free memory was 40.6 MB in the beginning and 44.2 MB in the end (delta: -3.6 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 101.56 ms. Allocated memory is still 60.8 MB. Free memory was 44.2 MB in the beginning and 42.4 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 84.48 ms. Allocated memory is still 60.8 MB. Free memory was 42.4 MB in the beginning and 40.7 MB in the end (delta: 1.7 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 1654.02 ms. Allocated memory is still 60.8 MB. Free memory was 40.5 MB in the beginning and 36.8 MB in the end (delta: 3.7 MB). Peak memory consumption was 20.2 MB. Max. memory is 16.1 GB. * TraceAbstraction took 14526.49 ms. Allocated memory was 60.8 MB in the beginning and 73.4 MB in the end (delta: 12.6 MB). Free memory was 36.6 MB in the beginning and 45.5 MB in the end (delta: -8.9 MB). Peak memory consumption was 24.1 MB. Max. memory is 16.1 GB. * Witness Printer took 106.93 ms. Allocated memory is still 73.4 MB. Free memory was 45.5 MB in the beginning and 41.9 MB in the end (delta: 3.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 16]: Loop Invariant [2020-11-30 03:15:01,242 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 03:15:01,242 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 03:15:01,243 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 03:15:01,243 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 03:15:01,243 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 03:15:01,243 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 03:15:01,243 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 03:15:01,243 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 03:15:01,243 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 03:15:01,244 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 03:15:01,245 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 03:15:01,245 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 03:15:01,245 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 03:15:01,245 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 03:15:01,246 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 03:15:01,246 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 03:15:01,246 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 03:15:01,246 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 03:15:01,246 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 03:15:01,246 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 03:15:01,247 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 03:15:01,247 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 03:15:01,247 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 03:15:01,247 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: (unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven && x == ~fp.div~FLOAT(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0), ~Pluszero~LONGDOUBLE())) && \result == ~fp.add~FLOAT(~roundNearestTiesToEven, ~fp.mul~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.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE())) - InvariantResult [Line: 95]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 84]: Loop Invariant [2020-11-30 03:15:01,248 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 03:15:01,248 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 03:15:01,249 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 03:15:01,249 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 03:15:01,249 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 03:15:01,249 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 03:15:01,250 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 03:15:01,250 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 03:15:01,250 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 03:15:01,250 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 03:15:01,251 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 03:15:01,251 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 03:15:01,251 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 03:15:01,251 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 03:15:01,251 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 03:15:01,252 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 03:15:01,252 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 03:15:01,252 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 03:15:01,253 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 03:15:01,253 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 03:15:01,253 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 03:15:01,253 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 03:15:01,253 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 03:15:01,253 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 03:15:01,254 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 03:15:01,254 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 03:15:01,258 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 03:15:01,258 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 03:15:01,259 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 03:15:01,259 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 03:15:01,260 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 03:15:01,260 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 03:15:01,260 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 03:15:01,260 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 03:15:01,260 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 03:15:01,260 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 03:15:01,261 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 03:15:01,261 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 03:15:01,261 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 03:15:01,261 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 03:15:01,261 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 03:15:01,261 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 03:15:01,262 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 03:15:01,262 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 03:15:01,262 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 03:15:01,262 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 03:15:01,262 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 03:15:01,265 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 03:15:01,266 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 03:15:01,266 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 03:15:01,266 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 03:15:01,266 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 03:15:01,266 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 03:15:01,267 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 03:15:01,267 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 03:15:01,268 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: ((((~fp.add~FLOAT(~roundNearestTiesToEven, ~fp.mul~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.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE())) == ~fp~LONGDOUBLE(ix[31:31], ix[30:23], ix[22:0]) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && ~fp.add~FLOAT(~roundNearestTiesToEven, ~fp.mul~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.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE())) == x) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && x == ~fp.div~FLOAT(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0), ~Pluszero~LONGDOUBLE())) && \result == ~fp.add~FLOAT(~roundNearestTiesToEven, ~fp.mul~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.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE())) - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 21]: Loop Invariant [2020-11-30 03:15:01,269 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 03:15:01,269 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 03:15:01,269 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 03:15:01,270 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 03:15:01,270 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 03:15:01,271 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 03:15:01,271 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 03:15:01,271 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven && x == ~fp.div~FLOAT(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0), ~Pluszero~LONGDOUBLE()) - InvariantResult [Line: 38]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 75]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 86]: Loop Invariant [2020-11-30 03:15:01,272 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 03:15:01,272 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 03:15:01,272 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 03:15:01,272 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 03:15:01,273 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 03:15:01,273 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 03:15:01,273 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 03:15:01,273 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 03:15:01,273 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 03:15:01,274 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 03:15:01,274 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 03:15:01,274 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 03:15:01,274 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 03:15:01,275 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 03:15:01,275 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 03:15:01,275 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 03:15:01,275 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 03:15:01,275 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 03:15:01,275 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 03:15:01,276 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 03:15:01,276 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 03:15:01,276 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 03:15:01,277 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 03:15:01,277 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 03:15:01,277 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 03:15:01,278 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 03:15:01,279 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 03:15:01,279 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 03:15:01,280 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 03:15:01,281 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 03:15:01,281 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 03:15:01,281 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 03:15:01,281 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 03:15:01,282 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 03:15:01,282 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 03:15:01,282 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 03:15:01,282 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-11-30 03:15:01,282 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 03:15:01,282 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-11-30 03:15:01,283 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: ((unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven && ~fp.add~FLOAT(~roundNearestTiesToEven, ~fp.mul~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.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE())) == x) && x == ~fp.div~FLOAT(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0), ~Pluszero~LONGDOUBLE())) && \result == ~fp.add~FLOAT(~roundNearestTiesToEven, ~fp.mul~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.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE())) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 37 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 14.1s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 2.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 81 SDtfs, 110 SDslu, 234 SDs, 0 SdLazy, 92 SolverSat, 10 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 79 GetRequests, 52 SyntacticMatches, 1 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 10.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=37occurred 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, 8 LocationsWithAnnotation, 8 PreInvPairs, 13 NumberOfFragments, 207 HoareAnnotationTreeSize, 8 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 8 FomulaSimplificationsInter, 9 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 10.0s InterpolantComputationTime, 39 NumberOfCodeBlocks, 39 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 72 ConstructedInterpolants, 11 QuantifiedInterpolants, 5636 SizeOfPredicates, 19 NumberOfNonLiveVariables, 162 ConjunctsInSsa, 24 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...