./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_0981.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 69874e26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_8358c629-8044-4710-8209-0a8a040ce6bf/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_8358c629-8044-4710-8209-0a8a040ce6bf/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_8358c629-8044-4710-8209-0a8a040ce6bf/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_8358c629-8044-4710-8209-0a8a040ce6bf/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0981.c -s /tmp/vcloud-vcloud-master/worker/run_dir_8358c629-8044-4710-8209-0a8a040ce6bf/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_8358c629-8044-4710-8209-0a8a040ce6bf/bin/uautomizer --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6005d8de02a0f27497af4601202b8d2f9899b59a ............................................................................................................................................................................................................................................................................................................... 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_8358c629-8044-4710-8209-0a8a040ce6bf/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_8358c629-8044-4710-8209-0a8a040ce6bf/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_8358c629-8044-4710-8209-0a8a040ce6bf/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_8358c629-8044-4710-8209-0a8a040ce6bf/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0981.c -s /tmp/vcloud-vcloud-master/worker/run_dir_8358c629-8044-4710-8209-0a8a040ce6bf/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_8358c629-8044-4710-8209-0a8a040ce6bf/bin/uautomizer --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6005d8de02a0f27497af4601202b8d2f9899b59a ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-69874e2 [2020-12-01 15:52:40,360 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 15:52:40,367 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 15:52:40,427 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 15:52:40,428 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 15:52:40,433 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 15:52:40,438 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 15:52:40,443 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 15:52:40,446 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 15:52:40,455 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 15:52:40,456 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 15:52:40,458 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 15:52:40,459 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 15:52:40,463 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 15:52:40,465 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 15:52:40,467 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 15:52:40,468 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 15:52:40,470 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 15:52:40,476 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 15:52:40,483 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 15:52:40,486 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 15:52:40,488 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 15:52:40,490 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 15:52:40,491 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 15:52:40,498 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 15:52:40,498 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 15:52:40,499 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 15:52:40,501 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 15:52:40,502 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 15:52:40,503 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 15:52:40,504 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 15:52:40,505 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 15:52:40,507 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 15:52:40,509 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 15:52:40,510 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 15:52:40,510 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 15:52:40,511 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 15:52:40,511 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 15:52:40,512 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 15:52:40,513 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 15:52:40,513 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 15:52:40,516 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_8358c629-8044-4710-8209-0a8a040ce6bf/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-12-01 15:52:40,562 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 15:52:40,563 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 15:52:40,565 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 15:52:40,566 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 15:52:40,566 INFO L138 SettingsManager]: * Use SBE=true [2020-12-01 15:52:40,566 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 15:52:40,566 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 15:52:40,567 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-01 15:52:40,567 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 15:52:40,567 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 15:52:40,569 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-01 15:52:40,569 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 15:52:40,569 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-01 15:52:40,569 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 15:52:40,570 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 15:52:40,570 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 15:52:40,570 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-01 15:52:40,570 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 15:52:40,571 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-01 15:52:40,571 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 15:52:40,571 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-01 15:52:40,571 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-01 15:52:40,572 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 15:52:40,572 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 15:52:40,572 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-01 15:52:40,572 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-01 15:52:40,573 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-01 15:52:40,573 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-01 15:52:40,573 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-01 15:52:40,574 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_8358c629-8044-4710-8209-0a8a040ce6bf/bin/uautomizer/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_8358c629-8044-4710-8209-0a8a040ce6bf/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6005d8de02a0f27497af4601202b8d2f9899b59a [2020-12-01 15:52:40,845 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 15:52:40,900 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 15:52:40,903 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 15:52:40,905 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 15:52:40,906 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 15:52:40,907 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_8358c629-8044-4710-8209-0a8a040ce6bf/bin/uautomizer/../../sv-benchmarks/c/float-newlib/float_req_bl_0981.c [2020-12-01 15:52:40,987 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_8358c629-8044-4710-8209-0a8a040ce6bf/bin/uautomizer/data/63320eb42/c55435f0e0da43abbe64047f862363b4/FLAGb20af99c7 [2020-12-01 15:52:41,532 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 15:52:41,534 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_8358c629-8044-4710-8209-0a8a040ce6bf/sv-benchmarks/c/float-newlib/float_req_bl_0981.c [2020-12-01 15:52:41,544 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_8358c629-8044-4710-8209-0a8a040ce6bf/bin/uautomizer/data/63320eb42/c55435f0e0da43abbe64047f862363b4/FLAGb20af99c7 [2020-12-01 15:52:41,891 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_8358c629-8044-4710-8209-0a8a040ce6bf/bin/uautomizer/data/63320eb42/c55435f0e0da43abbe64047f862363b4 [2020-12-01 15:52:41,894 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 15:52:41,896 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 15:52:41,900 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 15:52:41,900 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 15:52:41,919 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 15:52:41,922 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 03:52:41" (1/1) ... [2020-12-01 15:52:41,923 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66b40c3b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:52:41, skipping insertion in model container [2020-12-01 15:52:41,923 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 03:52:41" (1/1) ... [2020-12-01 15:52:41,931 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 15:52:41,955 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 15:52:42,234 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 15:52:42,244 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 15:52:42,290 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 15:52:42,306 INFO L208 MainTranslator]: Completed translation [2020-12-01 15:52:42,307 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:52:42 WrapperNode [2020-12-01 15:52:42,307 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 15:52:42,308 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 15:52:42,308 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 15:52:42,309 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 15:52:42,316 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:52:42" (1/1) ... [2020-12-01 15:52:42,327 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:52:42" (1/1) ... [2020-12-01 15:52:42,368 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 15:52:42,369 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 15:52:42,369 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 15:52:42,369 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 15:52:42,378 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:52:42" (1/1) ... [2020-12-01 15:52:42,378 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:52:42" (1/1) ... [2020-12-01 15:52:42,383 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:52:42" (1/1) ... [2020-12-01 15:52:42,383 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:52:42" (1/1) ... [2020-12-01 15:52:42,395 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:52:42" (1/1) ... [2020-12-01 15:52:42,401 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:52:42" (1/1) ... [2020-12-01 15:52:42,404 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:52:42" (1/1) ... [2020-12-01 15:52:42,409 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 15:52:42,410 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 15:52:42,410 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 15:52:42,410 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 15:52:42,411 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:52:42" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8358c629-8044-4710-8209-0a8a040ce6bf/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-01 15:52:42,474 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-01 15:52:42,474 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 15:52:42,476 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-12-01 15:52:42,476 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-12-01 15:52:42,477 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-12-01 15:52:42,477 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 15:52:42,477 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 15:52:42,478 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-12-01 15:52:42,478 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-01 15:52:42,978 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 15:52:42,978 INFO L298 CfgBuilder]: Removed 26 assume(true) statements. [2020-12-01 15:52:42,980 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 03:52:42 BoogieIcfgContainer [2020-12-01 15:52:42,980 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 15:52:42,982 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-01 15:52:42,982 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-01 15:52:42,986 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-01 15:52:42,986 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.12 03:52:41" (1/3) ... [2020-12-01 15:52:42,987 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4fc3cbbe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 03:52:42, skipping insertion in model container [2020-12-01 15:52:42,987 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:52:42" (2/3) ... [2020-12-01 15:52:42,988 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4fc3cbbe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 03:52:42, skipping insertion in model container [2020-12-01 15:52:42,988 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 03:52:42" (3/3) ... [2020-12-01 15:52:42,989 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_0981.c [2020-12-01 15:52:43,003 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-01 15:52:43,007 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-01 15:52:43,018 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-01 15:52:43,042 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-01 15:52:43,043 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-01 15:52:43,043 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-01 15:52:43,043 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-01 15:52:43,043 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-01 15:52:43,043 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-01 15:52:43,044 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-01 15:52:43,044 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-01 15:52:43,058 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states. [2020-12-01 15:52:43,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-12-01 15:52:43,063 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:52:43,064 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 15:52:43,064 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 15:52:43,068 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:52:43,069 INFO L82 PathProgramCache]: Analyzing trace with hash 1655029915, now seen corresponding path program 1 times [2020-12-01 15:52:43,077 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:52:43,077 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [467908238] [2020-12-01 15:52:43,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:52:43,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:52:43,212 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 15:52:43,213 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [467908238] [2020-12-01 15:52:43,213 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 15:52:43,214 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-01 15:52:43,214 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [481282056] [2020-12-01 15:52:43,218 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-01 15:52:43,219 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:52:43,231 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-01 15:52:43,232 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-01 15:52:43,233 INFO L87 Difference]: Start difference. First operand 48 states. Second operand 2 states. [2020-12-01 15:52:43,253 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:52:43,253 INFO L93 Difference]: Finished difference Result 93 states and 151 transitions. [2020-12-01 15:52:43,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-01 15:52:43,255 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2020-12-01 15:52:43,255 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:52:43,264 INFO L225 Difference]: With dead ends: 93 [2020-12-01 15:52:43,264 INFO L226 Difference]: Without dead ends: 44 [2020-12-01 15:52:43,266 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-01 15:52:43,282 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2020-12-01 15:52:43,296 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44. [2020-12-01 15:52:43,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2020-12-01 15:52:43,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 58 transitions. [2020-12-01 15:52:43,300 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 58 transitions. Word has length 11 [2020-12-01 15:52:43,300 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:52:43,300 INFO L481 AbstractCegarLoop]: Abstraction has 44 states and 58 transitions. [2020-12-01 15:52:43,301 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-01 15:52:43,301 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 58 transitions. [2020-12-01 15:52:43,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-12-01 15:52:43,301 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:52:43,302 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 15:52:43,302 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-01 15:52:43,302 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 15:52:43,303 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:52:43,303 INFO L82 PathProgramCache]: Analyzing trace with hash 1598915326, now seen corresponding path program 1 times [2020-12-01 15:52:43,303 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:52:43,304 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [222919744] [2020-12-01 15:52:43,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:52:43,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 15:52:43,358 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 15:52:43,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 15:52:43,411 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 15:52:43,464 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-12-01 15:52:43,465 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-12-01 15:52:43,465 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-01 15:52:43,505 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.12 03:52:43 BoogieIcfgContainer [2020-12-01 15:52:43,505 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-01 15:52:43,506 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-01 15:52:43,506 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-01 15:52:43,506 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-01 15:52:43,507 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 03:52:42" (3/4) ... [2020-12-01 15:52:43,510 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-12-01 15:52:43,510 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-01 15:52:43,512 INFO L168 Benchmark]: Toolchain (without parser) took 1615.48 ms. Allocated memory was 75.5 MB in the beginning and 92.3 MB in the end (delta: 16.8 MB). Free memory was 41.0 MB in the beginning and 44.1 MB in the end (delta: -3.1 MB). Peak memory consumption was 12.3 MB. Max. memory is 16.1 GB. [2020-12-01 15:52:43,513 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 75.5 MB. Free memory was 57.3 MB in the beginning and 57.2 MB in the end (delta: 61.8 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 15:52:43,514 INFO L168 Benchmark]: CACSL2BoogieTranslator took 407.71 ms. Allocated memory was 75.5 MB in the beginning and 92.3 MB in the end (delta: 16.8 MB). Free memory was 40.8 MB in the beginning and 67.2 MB in the end (delta: -26.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-12-01 15:52:43,515 INFO L168 Benchmark]: Boogie Procedure Inliner took 60.01 ms. Allocated memory is still 92.3 MB. Free memory was 67.2 MB in the beginning and 64.9 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 15:52:43,516 INFO L168 Benchmark]: Boogie Preprocessor took 40.28 ms. Allocated memory is still 92.3 MB. Free memory was 64.9 MB in the beginning and 63.0 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 15:52:43,517 INFO L168 Benchmark]: RCFGBuilder took 570.50 ms. Allocated memory is still 92.3 MB. Free memory was 63.0 MB in the beginning and 71.0 MB in the end (delta: -7.9 MB). Peak memory consumption was 31.8 MB. Max. memory is 16.1 GB. [2020-12-01 15:52:43,518 INFO L168 Benchmark]: TraceAbstraction took 523.23 ms. Allocated memory is still 92.3 MB. Free memory was 70.5 MB in the beginning and 44.5 MB in the end (delta: 26.0 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.1 GB. [2020-12-01 15:52:43,518 INFO L168 Benchmark]: Witness Printer took 4.65 ms. Allocated memory is still 92.3 MB. Free memory was 44.5 MB in the beginning and 44.1 MB in the end (delta: 412.8 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 15:52:43,522 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 75.5 MB. Free memory was 57.3 MB in the beginning and 57.2 MB in the end (delta: 61.8 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 407.71 ms. Allocated memory was 75.5 MB in the beginning and 92.3 MB in the end (delta: 16.8 MB). Free memory was 40.8 MB in the beginning and 67.2 MB in the end (delta: -26.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 60.01 ms. Allocated memory is still 92.3 MB. Free memory was 67.2 MB in the beginning and 64.9 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 40.28 ms. Allocated memory is still 92.3 MB. Free memory was 64.9 MB in the beginning and 63.0 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 570.50 ms. Allocated memory is still 92.3 MB. Free memory was 63.0 MB in the beginning and 71.0 MB in the end (delta: -7.9 MB). Peak memory consumption was 31.8 MB. Max. memory is 16.1 GB. * TraceAbstraction took 523.23 ms. Allocated memory is still 92.3 MB. Free memory was 70.5 MB in the beginning and 44.5 MB in the end (delta: 26.0 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.1 GB. * Witness Printer took 4.65 ms. Allocated memory is still 92.3 MB. Free memory was 44.5 MB in the beginning and 44.1 MB in the end (delta: 412.8 kB). There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 3]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryArithmeticFLOAToperation at line 118, overapproximation of bitwiseAnd at line 153. Possible FailurePath: [L13-L17] static const float ln2_hi_log = 6.9313812256e-01, ln2_lo_log = 9.0580006145e-06, two25_log = 3.355443200e+07, Lg1_log = 6.6666668653e-01, Lg2_log = 4.0000000596e-01, Lg3_log = 2.8571429849e-01, Lg4_log = 2.2222198546e-01, Lg5_log = 1.8183572590e-01, Lg6_log = 1.5313838422e-01, Lg7_log = 1.4798198640e-01; [L19] static const float zero_log = 0.0; [L99-L102] static const float two25_log10 = 3.3554432000e+07, ivln10_log10 = 4.3429449201e-01, log10_2hi_log10 = 3.0102920532e-01, log10_2lo_log10 = 7.9034151668e-07; [L104] static const float zero = 0.0; VAL [ivln10_log10=43429449201/100000000000, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, log10_2hi_log10=7525730133/25000000000, log10_2lo_log10=19758537917/25000000000000000, two25_log=33554432, two25_log10=33554432, zero=0, zero_log=0] [L165] float x = 1.0f / 0.0f; [L107] float y, z; [L108] __int32_t i, k, hx; VAL [ivln10_log10=43429449201/100000000000, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, log10_2hi_log10=7525730133/25000000000, log10_2lo_log10=19758537917/25000000000000000, two25_log=33554432, two25_log10=33554432, zero=0, zero_log=0] [L111] ieee_float_shape_type gf_u; [L112] gf_u.value = (x) [L113] EXPR gf_u.word [L113] (hx) = gf_u.word [L116] k = 0 VAL [ivln10_log10=43429449201/100000000000, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, log10_2hi_log10=7525730133/25000000000, log10_2lo_log10=19758537917/25000000000000000, two25_log=33554432, two25_log10=33554432, zero=0, zero_log=0] [L117] COND TRUE ((hx & 0x7fffffff) == 0) [L118] return -two25_log10 / zero; VAL [ivln10_log10=43429449201/100000000000, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, log10_2hi_log10=7525730133/25000000000, log10_2lo_log10=19758537917/25000000000000000, two25_log=33554432, two25_log10=33554432, zero=0, zero_log=0] [L166] float res = __ieee754_log10f(x); [L147] __int32_t ix; VAL [ivln10_log10=43429449201/100000000000, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, log10_2hi_log10=7525730133/25000000000, log10_2lo_log10=19758537917/25000000000000000, two25_log=33554432, two25_log10=33554432, zero=0, zero_log=0] [L149] ieee_float_shape_type gf_u; [L150] gf_u.value = (x) [L151] EXPR gf_u.word [L151] (ix) = gf_u.word [L153] ix &= 0x7fffffff [L154] return ((ix) == 0x7f800000L); VAL [ivln10_log10=43429449201/100000000000, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, log10_2hi_log10=7525730133/25000000000, log10_2lo_log10=19758537917/25000000000000000, two25_log=33554432, two25_log10=33554432, zero=0, zero_log=0] [L169] COND TRUE !isinf_float(res) [L3] __assert_fail("0", "float_req_bl_0981.c", 3, "reach_error") VAL [ivln10_log10=43429449201/100000000000, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, log10_2hi_log10=7525730133/25000000000, log10_2lo_log10=19758537917/25000000000000000, two25_log=33554432, two25_log10=33554432, zero=0, zero_log=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 48 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.4s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 61 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=48occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 24 NumberOfCodeBlocks, 24 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 100 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 0.2.0-69874e2 [2020-12-01 15:52:46,003 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 15:52:46,005 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 15:52:46,046 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 15:52:46,047 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 15:52:46,048 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 15:52:46,051 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 15:52:46,054 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 15:52:46,056 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 15:52:46,058 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 15:52:46,059 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 15:52:46,066 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 15:52:46,073 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 15:52:46,075 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 15:52:46,076 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 15:52:46,081 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 15:52:46,082 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 15:52:46,083 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 15:52:46,086 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 15:52:46,088 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 15:52:46,090 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 15:52:46,092 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 15:52:46,093 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 15:52:46,094 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 15:52:46,098 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 15:52:46,098 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 15:52:46,099 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 15:52:46,100 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 15:52:46,101 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 15:52:46,102 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 15:52:46,102 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 15:52:46,104 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 15:52:46,104 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 15:52:46,105 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 15:52:46,107 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 15:52:46,107 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 15:52:46,108 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 15:52:46,109 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 15:52:46,109 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 15:52:46,110 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 15:52:46,111 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 15:52:46,114 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_8358c629-8044-4710-8209-0a8a040ce6bf/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-12-01 15:52:46,167 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 15:52:46,168 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 15:52:46,171 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 15:52:46,171 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 15:52:46,171 INFO L138 SettingsManager]: * Use SBE=true [2020-12-01 15:52:46,171 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 15:52:46,172 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 15:52:46,172 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 15:52:46,172 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 15:52:46,172 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-01 15:52:46,173 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 15:52:46,174 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-01 15:52:46,174 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-12-01 15:52:46,174 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-12-01 15:52:46,174 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 15:52:46,174 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 15:52:46,174 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 15:52:46,175 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-01 15:52:46,175 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 15:52:46,175 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-01 15:52:46,175 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 15:52:46,175 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-01 15:52:46,176 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-01 15:52:46,176 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 15:52:46,176 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 15:52:46,176 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-01 15:52:46,176 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-12-01 15:52:46,177 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-12-01 15:52:46,177 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-01 15:52:46,177 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-01 15:52:46,177 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-01 15:52:46,177 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_8358c629-8044-4710-8209-0a8a040ce6bf/bin/uautomizer/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_8358c629-8044-4710-8209-0a8a040ce6bf/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6005d8de02a0f27497af4601202b8d2f9899b59a [2020-12-01 15:52:46,586 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 15:52:46,626 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 15:52:46,630 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 15:52:46,632 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 15:52:46,632 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 15:52:46,633 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_8358c629-8044-4710-8209-0a8a040ce6bf/bin/uautomizer/../../sv-benchmarks/c/float-newlib/float_req_bl_0981.c [2020-12-01 15:52:46,712 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_8358c629-8044-4710-8209-0a8a040ce6bf/bin/uautomizer/data/000aeb810/1960ad263fe84eee97c4c9d650b04f54/FLAG302a8550a [2020-12-01 15:52:47,218 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 15:52:47,222 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_8358c629-8044-4710-8209-0a8a040ce6bf/sv-benchmarks/c/float-newlib/float_req_bl_0981.c [2020-12-01 15:52:47,234 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_8358c629-8044-4710-8209-0a8a040ce6bf/bin/uautomizer/data/000aeb810/1960ad263fe84eee97c4c9d650b04f54/FLAG302a8550a [2020-12-01 15:52:47,555 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_8358c629-8044-4710-8209-0a8a040ce6bf/bin/uautomizer/data/000aeb810/1960ad263fe84eee97c4c9d650b04f54 [2020-12-01 15:52:47,558 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 15:52:47,562 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 15:52:47,564 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 15:52:47,564 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 15:52:47,568 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 15:52:47,569 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 03:52:47" (1/1) ... [2020-12-01 15:52:47,578 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29667fef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:52:47, skipping insertion in model container [2020-12-01 15:52:47,578 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 03:52:47" (1/1) ... [2020-12-01 15:52:47,586 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 15:52:47,626 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 15:52:47,894 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 15:52:47,943 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 15:52:48,028 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 15:52:48,047 INFO L208 MainTranslator]: Completed translation [2020-12-01 15:52:48,048 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:52:48 WrapperNode [2020-12-01 15:52:48,048 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 15:52:48,049 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 15:52:48,050 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 15:52:48,050 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 15:52:48,057 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:52:48" (1/1) ... [2020-12-01 15:52:48,072 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:52:48" (1/1) ... [2020-12-01 15:52:48,103 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 15:52:48,103 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 15:52:48,104 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 15:52:48,104 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 15:52:48,112 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:52:48" (1/1) ... [2020-12-01 15:52:48,113 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:52:48" (1/1) ... [2020-12-01 15:52:48,119 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:52:48" (1/1) ... [2020-12-01 15:52:48,120 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:52:48" (1/1) ... [2020-12-01 15:52:48,133 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:52:48" (1/1) ... [2020-12-01 15:52:48,139 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:52:48" (1/1) ... [2020-12-01 15:52:48,143 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:52:48" (1/1) ... [2020-12-01 15:52:48,148 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 15:52:48,149 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 15:52:48,149 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 15:52:48,149 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 15:52:48,150 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:52:48" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8358c629-8044-4710-8209-0a8a040ce6bf/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-01 15:52:48,237 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-12-01 15:52:48,238 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 15:52:48,238 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2020-12-01 15:52:48,239 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-12-01 15:52:48,239 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 15:52:48,239 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 15:52:48,239 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2020-12-01 15:52:48,241 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-12-01 15:52:48,242 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-01 15:53:16,663 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 15:53:16,664 INFO L298 CfgBuilder]: Removed 26 assume(true) statements. [2020-12-01 15:53:16,665 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 03:53:16 BoogieIcfgContainer [2020-12-01 15:53:16,665 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 15:53:16,667 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-01 15:53:16,667 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-01 15:53:16,670 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-01 15:53:16,670 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.12 03:52:47" (1/3) ... [2020-12-01 15:53:16,671 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e5436ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 03:53:16, skipping insertion in model container [2020-12-01 15:53:16,671 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:52:48" (2/3) ... [2020-12-01 15:53:16,672 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e5436ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 03:53:16, skipping insertion in model container [2020-12-01 15:53:16,672 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 03:53:16" (3/3) ... [2020-12-01 15:53:16,673 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_0981.c [2020-12-01 15:53:16,684 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-01 15:53:16,687 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-01 15:53:16,695 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-01 15:53:16,718 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-01 15:53:16,718 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-01 15:53:16,718 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-01 15:53:16,719 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-01 15:53:16,719 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-01 15:53:16,719 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-01 15:53:16,719 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-01 15:53:16,719 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-01 15:53:16,732 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states. [2020-12-01 15:53:16,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-12-01 15:53:16,737 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:53:16,737 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 15:53:16,738 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 15:53:16,743 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:53:16,743 INFO L82 PathProgramCache]: Analyzing trace with hash 1655029915, now seen corresponding path program 1 times [2020-12-01 15:53:16,755 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-12-01 15:53:16,755 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [508213092] [2020-12-01 15:53:16,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8358c629-8044-4710-8209-0a8a040ce6bf/bin/uautomizer/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2020-12-01 15:53:17,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:53:17,586 INFO L263 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 1 conjunts are in the unsatisfiable core [2020-12-01 15:53:17,590 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 15:53:17,622 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 15:53:17,623 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-01 15:53:17,645 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 15:53:17,646 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [508213092] [2020-12-01 15:53:17,647 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-12-01 15:53:17,647 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-12-01 15:53:17,648 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1209249389] [2020-12-01 15:53:17,652 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-01 15:53:17,653 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-12-01 15:53:17,666 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-01 15:53:17,666 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-01 15:53:17,668 INFO L87 Difference]: Start difference. First operand 48 states. Second operand 2 states. [2020-12-01 15:53:17,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:53:17,689 INFO L93 Difference]: Finished difference Result 93 states and 151 transitions. [2020-12-01 15:53:17,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-01 15:53:17,691 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2020-12-01 15:53:17,691 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:53:17,700 INFO L225 Difference]: With dead ends: 93 [2020-12-01 15:53:17,700 INFO L226 Difference]: Without dead ends: 44 [2020-12-01 15:53:17,703 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 [2020-12-01 15:53:17,719 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2020-12-01 15:53:17,733 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44. [2020-12-01 15:53:17,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2020-12-01 15:53:17,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 58 transitions. [2020-12-01 15:53:17,737 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 58 transitions. Word has length 11 [2020-12-01 15:53:17,738 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:53:17,738 INFO L481 AbstractCegarLoop]: Abstraction has 44 states and 58 transitions. [2020-12-01 15:53:17,738 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-01 15:53:17,738 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 58 transitions. [2020-12-01 15:53:17,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-12-01 15:53:17,739 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:53:17,739 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 15:53:17,973 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-12-01 15:53:17,973 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 15:53:17,974 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:53:17,974 INFO L82 PathProgramCache]: Analyzing trace with hash 1598915326, now seen corresponding path program 1 times [2020-12-01 15:53:17,975 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-12-01 15:53:17,975 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2066407092] [2020-12-01 15:53:17,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8358c629-8044-4710-8209-0a8a040ce6bf/bin/uautomizer/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2020-12-01 15:53:18,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:53:18,621 INFO L263 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 7 conjunts are in the unsatisfiable core [2020-12-01 15:53:18,623 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 15:53:18,775 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 15:53:18,775 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-01 15:53:18,975 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 15:53:18,976 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2066407092] [2020-12-01 15:53:18,976 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-12-01 15:53:18,976 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2020-12-01 15:53:18,976 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [474535912] [2020-12-01 15:53:18,977 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-01 15:53:18,978 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-12-01 15:53:18,979 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-01 15:53:18,979 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-12-01 15:53:18,979 INFO L87 Difference]: Start difference. First operand 44 states and 58 transitions. Second operand 6 states. [2020-12-01 15:53:19,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:53:19,296 INFO L93 Difference]: Finished difference Result 52 states and 65 transitions. [2020-12-01 15:53:19,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-01 15:53:19,297 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 13 [2020-12-01 15:53:19,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:53:19,298 INFO L225 Difference]: With dead ends: 52 [2020-12-01 15:53:19,298 INFO L226 Difference]: Without dead ends: 16 [2020-12-01 15:53:19,299 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-12-01 15:53:19,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2020-12-01 15:53:19,302 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2020-12-01 15:53:19,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2020-12-01 15:53:19,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 15 transitions. [2020-12-01 15:53:19,303 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 15 transitions. Word has length 13 [2020-12-01 15:53:19,303 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:53:19,303 INFO L481 AbstractCegarLoop]: Abstraction has 16 states and 15 transitions. [2020-12-01 15:53:19,303 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-01 15:53:19,303 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 15 transitions. [2020-12-01 15:53:19,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-12-01 15:53:19,304 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:53:19,304 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 15:53:19,518 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-12-01 15:53:19,518 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 15:53:19,519 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:53:19,519 INFO L82 PathProgramCache]: Analyzing trace with hash -1749203143, now seen corresponding path program 1 times [2020-12-01 15:53:19,519 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-12-01 15:53:19,519 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1093350508] [2020-12-01 15:53:19,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8358c629-8044-4710-8209-0a8a040ce6bf/bin/uautomizer/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2020-12-01 15:53:19,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:53:20,023 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 15 conjunts are in the unsatisfiable core [2020-12-01 15:53:20,025 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 15:53:20,299 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-01 15:53:20,492 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 15:53:20,492 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-01 15:53:22,442 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 15:53:22,442 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1093350508] [2020-12-01 15:53:22,443 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-12-01 15:53:22,443 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8, 8] imperfect sequences [] total 15 [2020-12-01 15:53:22,443 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [241800818] [2020-12-01 15:53:22,444 INFO L461 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-12-01 15:53:22,444 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-12-01 15:53:22,445 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-12-01 15:53:22,445 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=176, Unknown=0, NotChecked=0, Total=210 [2020-12-01 15:53:22,446 INFO L87 Difference]: Start difference. First operand 16 states and 15 transitions. Second operand 15 states. [2020-12-01 15:53:23,343 WARN L197 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 31 [2020-12-01 15:53:23,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:53:23,345 INFO L93 Difference]: Finished difference Result 16 states and 15 transitions. [2020-12-01 15:53:23,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-12-01 15:53:23,345 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 15 [2020-12-01 15:53:23,345 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:53:23,345 INFO L225 Difference]: With dead ends: 16 [2020-12-01 15:53:23,345 INFO L226 Difference]: Without dead ends: 0 [2020-12-01 15:53:23,346 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 14 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=99, Invalid=281, Unknown=0, NotChecked=0, Total=380 [2020-12-01 15:53:23,346 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-01 15:53:23,346 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-01 15:53:23,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-01 15:53:23,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-01 15:53:23,347 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 15 [2020-12-01 15:53:23,347 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:53:23,347 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-01 15:53:23,347 INFO L482 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-12-01 15:53:23,347 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-01 15:53:23,347 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-01 15:53:23,548 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-12-01 15:53:23,549 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-12-01 15:53:23,879 WARN L197 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 36 [2020-12-01 15:53:24,206 WARN L197 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 25 DAG size of output: 25 [2020-12-01 15:53:24,376 WARN L197 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 23 DAG size of output: 23 [2020-12-01 15:53:24,379 INFO L262 CegarLoopResult]: For program point L126-1(lines 126 130) no Hoare annotation was computed. [2020-12-01 15:53:24,379 INFO L258 CegarLoopResult]: At program point L126-2(lines 126 130) the Hoare annotation is: false [2020-12-01 15:53:24,380 INFO L262 CegarLoopResult]: For program point L110-1(lines 110 114) no Hoare annotation was computed. [2020-12-01 15:53:24,380 INFO L258 CegarLoopResult]: At program point L110-2(lines 110 114) the Hoare annotation is: (and (= currentRoundingMode roundNearestTiesToEven) (exists ((currentRoundingMode RoundingMode)) (= ULTIMATE.start___ieee754_log10f_~x (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24))))) [2020-12-01 15:53:24,380 INFO L262 CegarLoopResult]: For program point L110-3(lines 110 114) no Hoare annotation was computed. [2020-12-01 15:53:24,380 INFO L262 CegarLoopResult]: For program point L36(lines 36 37) no Hoare annotation was computed. [2020-12-01 15:53:24,380 INFO L262 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-12-01 15:53:24,380 INFO L262 CegarLoopResult]: For program point L3-1(line 3) no Hoare annotation was computed. [2020-12-01 15:53:24,380 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-12-01 15:53:24,380 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-12-01 15:53:24,380 INFO L262 CegarLoopResult]: For program point L119(lines 119 120) no Hoare annotation was computed. [2020-12-01 15:53:24,380 INFO L262 CegarLoopResult]: For program point L86(lines 86 90) no Hoare annotation was computed. [2020-12-01 15:53:24,380 INFO L262 CegarLoopResult]: For program point L169(lines 169 172) no Hoare annotation was computed. [2020-12-01 15:53:24,381 INFO L262 CegarLoopResult]: For program point L136-1(lines 136 140) no Hoare annotation was computed. [2020-12-01 15:53:24,381 INFO L258 CegarLoopResult]: At program point L136-2(lines 136 140) the Hoare annotation is: false [2020-12-01 15:53:24,381 INFO L262 CegarLoopResult]: For program point L136-3(lines 136 140) no Hoare annotation was computed. [2020-12-01 15:53:24,381 INFO L258 CegarLoopResult]: At program point L95(lines 21 97) the Hoare annotation is: false [2020-12-01 15:53:24,381 INFO L262 CegarLoopResult]: For program point L38(lines 38 46) no Hoare annotation was computed. [2020-12-01 15:53:24,381 INFO L262 CegarLoopResult]: For program point L38-1(lines 38 46) no Hoare annotation was computed. [2020-12-01 15:53:24,381 INFO L258 CegarLoopResult]: At program point L154(lines 146 155) the Hoare annotation is: (let ((.cse0 (let ((.cse1 (fp.div roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven 1.0) (_ +zero 8 24)))) (fp.add roundNearestTiesToEven .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))) (exists ((currentRoundingMode RoundingMode)) (= (fp ((_ extract 31 31) ULTIMATE.start___ieee754_log10f_~hx~0) ((_ extract 30 23) ULTIMATE.start___ieee754_log10f_~hx~0) ((_ extract 22 0) ULTIMATE.start___ieee754_log10f_~hx~0)) (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)))) (= currentRoundingMode roundNearestTiesToEven) (= .cse0 |ULTIMATE.start___ieee754_log10f_#res|) (= (bvadd |ULTIMATE.start_isinf_float_#res| (_ bv4294967295 32)) (_ bv0 32)) (exists ((currentRoundingMode RoundingMode)) (= ULTIMATE.start___ieee754_log10f_~x (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)))) (= .cse0 ULTIMATE.start_isinf_float_~x))) [2020-12-01 15:53:24,381 INFO L262 CegarLoopResult]: For program point L121(lines 121 122) no Hoare annotation was computed. [2020-12-01 15:53:24,381 INFO L262 CegarLoopResult]: For program point L32(lines 32 33) no Hoare annotation was computed. [2020-12-01 15:53:24,381 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-12-01 15:53:24,382 INFO L262 CegarLoopResult]: For program point L123(lines 123 131) no Hoare annotation was computed. [2020-12-01 15:53:24,382 INFO L262 CegarLoopResult]: For program point L123-1(lines 123 131) no Hoare annotation was computed. [2020-12-01 15:53:24,382 INFO L262 CegarLoopResult]: For program point L57(lines 57 73) no Hoare annotation was computed. [2020-12-01 15:53:24,382 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-12-01 15:53:24,382 INFO L262 CegarLoopResult]: For program point L148-1(lines 148 152) no Hoare annotation was computed. [2020-12-01 15:53:24,382 INFO L258 CegarLoopResult]: At program point L148-2(lines 148 152) the Hoare annotation is: (let ((.cse0 (let ((.cse1 (fp.div roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven 1.0) (_ +zero 8 24)))) (fp.add roundNearestTiesToEven .cse1 .cse1)))) (and (exists ((currentRoundingMode RoundingMode)) (= (fp ((_ extract 31 31) ULTIMATE.start___ieee754_log10f_~hx~0) ((_ extract 30 23) ULTIMATE.start___ieee754_log10f_~hx~0) ((_ extract 22 0) ULTIMATE.start___ieee754_log10f_~hx~0)) (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)))) (= currentRoundingMode roundNearestTiesToEven) (= .cse0 |ULTIMATE.start___ieee754_log10f_#res|) (exists ((currentRoundingMode RoundingMode)) (= ULTIMATE.start___ieee754_log10f_~x (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)))) (= .cse0 ULTIMATE.start_isinf_float_~x))) [2020-12-01 15:53:24,382 INFO L262 CegarLoopResult]: For program point L148-3(lines 148 152) no Hoare annotation was computed. [2020-12-01 15:53:24,382 INFO L265 CegarLoopResult]: At program point L173(lines 157 174) the Hoare annotation is: true [2020-12-01 15:53:24,382 INFO L262 CegarLoopResult]: For program point L41-1(lines 41 45) no Hoare annotation was computed. [2020-12-01 15:53:24,383 INFO L258 CegarLoopResult]: At program point L41-2(lines 41 45) the Hoare annotation is: false [2020-12-01 15:53:24,383 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-12-01 15:53:24,383 INFO L262 CegarLoopResult]: For program point L58(lines 58 65) no Hoare annotation was computed. [2020-12-01 15:53:24,384 INFO L262 CegarLoopResult]: For program point L25-1(lines 25 29) no Hoare annotation was computed. [2020-12-01 15:53:24,385 INFO L258 CegarLoopResult]: At program point L25-2(lines 25 29) the Hoare annotation is: false [2020-12-01 15:53:24,385 INFO L262 CegarLoopResult]: For program point L25-3(lines 25 29) no Hoare annotation was computed. [2020-12-01 15:53:24,385 INFO L262 CegarLoopResult]: For program point L50-1(lines 50 54) no Hoare annotation was computed. [2020-12-01 15:53:24,385 INFO L258 CegarLoopResult]: At program point L50-2(lines 50 54) the Hoare annotation is: false [2020-12-01 15:53:24,385 INFO L262 CegarLoopResult]: For program point L50-3(lines 50 54) no Hoare annotation was computed. [2020-12-01 15:53:24,385 INFO L262 CegarLoopResult]: For program point L67(lines 67 72) no Hoare annotation was computed. [2020-12-01 15:53:24,385 INFO L262 CegarLoopResult]: For program point L34(lines 34 35) no Hoare annotation was computed. [2020-12-01 15:53:24,386 INFO L262 CegarLoopResult]: For program point L92(lines 92 95) no Hoare annotation was computed. [2020-12-01 15:53:24,386 INFO L262 CegarLoopResult]: For program point L59(lines 59 64) no Hoare annotation was computed. [2020-12-01 15:53:24,386 INFO L262 CegarLoopResult]: For program point L117(lines 117 118) no Hoare annotation was computed. [2020-12-01 15:53:24,386 INFO L262 CegarLoopResult]: For program point L84(lines 84 96) no Hoare annotation was computed. [2020-12-01 15:53:24,387 INFO L258 CegarLoopResult]: At program point L142(lines 106 143) the Hoare annotation is: (and (exists ((currentRoundingMode RoundingMode)) (= (fp ((_ extract 31 31) ULTIMATE.start___ieee754_log10f_~hx~0) ((_ extract 30 23) ULTIMATE.start___ieee754_log10f_~hx~0) ((_ extract 22 0) ULTIMATE.start___ieee754_log10f_~hx~0)) (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)))) (= currentRoundingMode roundNearestTiesToEven) (= (let ((.cse0 (fp.div roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven 1.0) (_ +zero 8 24)))) (fp.add roundNearestTiesToEven .cse0 .cse0)) |ULTIMATE.start___ieee754_log10f_#res|) (exists ((currentRoundingMode RoundingMode)) (= ULTIMATE.start___ieee754_log10f_~x (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24))))) [2020-12-01 15:53:24,400 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-01 15:53:24,401 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-01 15:53:24,402 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-01 15:53:24,402 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-01 15:53:24,402 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-01 15:53:24,402 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-01 15:53:24,402 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-01 15:53:24,403 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-01 15:53:24,403 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-01 15:53:24,403 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-01 15:53:24,403 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-01 15:53:24,404 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-01 15:53:24,404 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-01 15:53:24,404 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-01 15:53:24,404 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-01 15:53:24,404 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-01 15:53:24,404 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-01 15:53:24,405 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-01 15:53:24,405 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-01 15:53:24,405 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-01 15:53:24,408 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-12-01 15:53:24,412 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-01 15:53:24,412 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-01 15:53:24,412 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-01 15:53:24,412 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-01 15:53:24,413 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-01 15:53:24,414 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-01 15:53:24,417 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-01 15:53:24,417 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-01 15:53:24,417 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-01 15:53:24,418 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-01 15:53:24,418 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-01 15:53:24,418 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-01 15:53:24,418 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-01 15:53:24,418 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-01 15:53:24,418 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-01 15:53:24,419 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-01 15:53:24,419 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-01 15:53:24,424 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-01 15:53:24,424 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-01 15:53:24,424 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-01 15:53:24,425 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-12-01 15:53:24,427 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-01 15:53:24,427 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-01 15:53:24,428 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-01 15:53:24,429 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-12-01 15:53:24,429 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-01 15:53:24,429 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-01 15:53:24,435 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-01 15:53:24,436 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-12-01 15:53:24,436 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-01 15:53:24,437 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-01 15:53:24,437 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-01 15:53:24,437 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-01 15:53:24,437 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-01 15:53:24,437 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-01 15:53:24,437 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-01 15:53:24,440 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-01 15:53:24,441 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-01 15:53:24,442 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-01 15:53:24,442 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-01 15:53:24,442 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-01 15:53:24,442 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-01 15:53:24,442 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-01 15:53:24,443 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-01 15:53:24,444 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-12-01 15:53:24,446 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-01 15:53:24,452 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-01 15:53:24,452 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-01 15:53:24,452 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-01 15:53:24,453 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-01 15:53:24,453 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-01 15:53:24,453 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-01 15:53:24,453 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-01 15:53:24,453 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-01 15:53:24,453 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-01 15:53:24,454 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-01 15:53:24,454 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-01 15:53:24,454 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-01 15:53:24,455 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-01 15:53:24,455 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-01 15:53:24,455 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-12-01 15:53:24,456 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-01 15:53:24,457 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-01 15:53:24,457 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-01 15:53:24,458 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-01 15:53:24,458 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-01 15:53:24,459 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-01 15:53:24,459 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-01 15:53:24,459 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-01 15:53:24,459 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-01 15:53:24,459 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-01 15:53:24,459 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-12-01 15:53:24,460 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-01 15:53:24,460 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-01 15:53:24,460 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-01 15:53:24,461 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-01 15:53:24,461 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-01 15:53:24,461 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-01 15:53:24,462 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-01 15:53:24,462 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-01 15:53:24,462 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-01 15:53:24,462 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-01 15:53:24,462 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-12-01 15:53:24,464 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.12 03:53:24 BoogieIcfgContainer [2020-12-01 15:53:24,465 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-01 15:53:24,465 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-01 15:53:24,465 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-01 15:53:24,466 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-01 15:53:24,466 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 03:53:16" (3/4) ... [2020-12-01 15:53:24,469 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-01 15:53:24,484 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2020-12-01 15:53:24,485 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2020-12-01 15:53:24,485 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-01 15:53:24,486 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-01 15:53:24,511 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven && (\exists currentRoundingMode : FloatRoundingMode :: x == ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE())) [2020-12-01 15:53:24,512 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\exists currentRoundingMode : FloatRoundingMode :: ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) == ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE())) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && ~fp.add~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())) == \result) && (\exists currentRoundingMode : FloatRoundingMode :: x == ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE())) [2020-12-01 15:53:24,513 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((\exists currentRoundingMode : FloatRoundingMode :: ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) == ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE())) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && ~fp.add~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())) == \result) && (\exists currentRoundingMode : FloatRoundingMode :: x == ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE()))) && ~fp.add~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())) == x [2020-12-01 15:53:24,514 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((~fp.add~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~LONGDOUBLE(ix[31:31], ix[30:23], ix[22:0]) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) == ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE()))) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && ~fp.add~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())) == \result) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && (\exists currentRoundingMode : FloatRoundingMode :: x == ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE()))) && ~fp.add~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())) == x [2020-12-01 15:53:24,579 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_8358c629-8044-4710-8209-0a8a040ce6bf/bin/uautomizer/witness.graphml [2020-12-01 15:53:24,580 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-01 15:53:24,581 INFO L168 Benchmark]: Toolchain (without parser) took 37018.31 ms. Allocated memory was 54.5 MB in the beginning and 67.1 MB in the end (delta: 12.6 MB). Free memory was 32.8 MB in the beginning and 38.0 MB in the end (delta: -5.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-12-01 15:53:24,581 INFO L168 Benchmark]: CDTParser took 0.47 ms. Allocated memory is still 54.5 MB. Free memory was 36.3 MB in the beginning and 36.3 MB in the end (delta: 25.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 15:53:24,581 INFO L168 Benchmark]: CACSL2BoogieTranslator took 484.55 ms. Allocated memory is still 54.5 MB. Free memory was 32.6 MB in the beginning and 34.5 MB in the end (delta: -1.8 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. [2020-12-01 15:53:24,582 INFO L168 Benchmark]: Boogie Procedure Inliner took 53.46 ms. Allocated memory is still 54.5 MB. Free memory was 34.5 MB in the beginning and 32.1 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 15:53:24,582 INFO L168 Benchmark]: Boogie Preprocessor took 44.43 ms. Allocated memory is still 54.5 MB. Free memory was 32.0 MB in the beginning and 29.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 15:53:24,583 INFO L168 Benchmark]: RCFGBuilder took 28517.03 ms. Allocated memory was 54.5 MB in the beginning and 67.1 MB in the end (delta: 12.6 MB). Free memory was 29.7 MB in the beginning and 45.1 MB in the end (delta: -15.4 MB). Peak memory consumption was 17.0 MB. Max. memory is 16.1 GB. [2020-12-01 15:53:24,583 INFO L168 Benchmark]: TraceAbstraction took 7797.90 ms. Allocated memory is still 67.1 MB. Free memory was 44.8 MB in the beginning and 44.0 MB in the end (delta: 822.0 kB). Peak memory consumption was 22.0 MB. Max. memory is 16.1 GB. [2020-12-01 15:53:24,583 INFO L168 Benchmark]: Witness Printer took 114.52 ms. Allocated memory is still 67.1 MB. Free memory was 43.5 MB in the beginning and 38.0 MB in the end (delta: 5.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-12-01 15:53:24,585 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.47 ms. Allocated memory is still 54.5 MB. Free memory was 36.3 MB in the beginning and 36.3 MB in the end (delta: 25.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 484.55 ms. Allocated memory is still 54.5 MB. Free memory was 32.6 MB in the beginning and 34.5 MB in the end (delta: -1.8 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 53.46 ms. Allocated memory is still 54.5 MB. Free memory was 34.5 MB in the beginning and 32.1 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 44.43 ms. Allocated memory is still 54.5 MB. Free memory was 32.0 MB in the beginning and 29.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 28517.03 ms. Allocated memory was 54.5 MB in the beginning and 67.1 MB in the end (delta: 12.6 MB). Free memory was 29.7 MB in the beginning and 45.1 MB in the end (delta: -15.4 MB). Peak memory consumption was 17.0 MB. Max. memory is 16.1 GB. * TraceAbstraction took 7797.90 ms. Allocated memory is still 67.1 MB. Free memory was 44.8 MB in the beginning and 44.0 MB in the end (delta: 822.0 kB). Peak memory consumption was 22.0 MB. Max. memory is 16.1 GB. * Witness Printer took 114.52 ms. Allocated memory is still 67.1 MB. Free memory was 43.5 MB in the beginning and 38.0 MB in the end (delta: 5.5 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 Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] * 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 * 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: 21]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 146]: Loop Invariant [2020-12-01 15:53:24,614 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-01 15:53:24,615 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-01 15:53:24,615 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-01 15:53:24,615 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-01 15:53:24,615 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-01 15:53:24,615 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-01 15:53:24,615 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-01 15:53:24,616 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-01 15:53:24,616 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-01 15:53:24,616 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-01 15:53:24,616 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-01 15:53:24,617 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-01 15:53:24,617 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-01 15:53:24,617 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-01 15:53:24,617 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-01 15:53:24,617 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-01 15:53:24,617 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-01 15:53:24,618 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-01 15:53:24,618 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-01 15:53:24,618 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-01 15:53:24,619 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-12-01 15:53:24,621 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-01 15:53:24,621 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-01 15:53:24,621 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-01 15:53:24,621 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-01 15:53:24,621 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-01 15:53:24,622 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-01 15:53:24,622 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-01 15:53:24,622 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-01 15:53:24,622 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-01 15:53:24,623 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-01 15:53:24,623 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-01 15:53:24,623 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-01 15:53:24,623 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-01 15:53:24,623 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-01 15:53:24,624 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-01 15:53:24,624 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-01 15:53:24,624 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-01 15:53:24,624 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-01 15:53:24,624 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-01 15:53:24,624 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-01 15:53:24,624 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: (((((~fp.add~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~LONGDOUBLE(ix[31:31], ix[30:23], ix[22:0]) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) == ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE()))) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && ~fp.add~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())) == \result) && ~bvadd64(\result, 4294967295bv32) == 0bv32) && (\exists currentRoundingMode : FloatRoundingMode :: x == ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE()))) && ~fp.add~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())) == x - InvariantResult [Line: 50]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 136]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 110]: Loop Invariant [2020-12-01 15:53:24,626 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-01 15:53:24,626 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-01 15:53:24,626 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-01 15:53:24,627 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-12-01 15:53:24,628 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-01 15:53:24,628 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-01 15:53:24,628 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-01 15:53:24,628 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven && (\exists currentRoundingMode : FloatRoundingMode :: x == ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE())) - InvariantResult [Line: 126]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 25]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 41]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 148]: Loop Invariant [2020-12-01 15:53:24,629 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-01 15:53:24,629 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-01 15:53:24,630 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-01 15:53:24,630 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-01 15:53:24,630 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-01 15:53:24,630 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-01 15:53:24,630 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-01 15:53:24,630 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-01 15:53:24,631 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-01 15:53:24,631 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-01 15:53:24,631 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-01 15:53:24,631 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-01 15:53:24,631 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-01 15:53:24,631 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-01 15:53:24,633 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-01 15:53:24,633 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-12-01 15:53:24,634 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-01 15:53:24,634 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-01 15:53:24,634 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-01 15:53:24,634 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-01 15:53:24,634 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-01 15:53:24,635 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-01 15:53:24,635 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-01 15:53:24,635 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-01 15:53:24,635 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-01 15:53:24,635 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-01 15:53:24,635 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-01 15:53:24,639 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-01 15:53:24,639 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-01 15:53:24,639 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-01 15:53:24,640 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-01 15:53:24,640 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: ((((\exists currentRoundingMode : FloatRoundingMode :: ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) == ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE())) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && ~fp.add~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())) == \result) && (\exists currentRoundingMode : FloatRoundingMode :: x == ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE()))) && ~fp.add~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())) == x - InvariantResult [Line: 157]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 106]: Loop Invariant [2020-12-01 15:53:24,641 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-01 15:53:24,641 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-01 15:53:24,641 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-01 15:53:24,641 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-01 15:53:24,641 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-01 15:53:24,641 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-01 15:53:24,642 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-01 15:53:24,642 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-01 15:53:24,642 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-01 15:53:24,642 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-01 15:53:24,642 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2020-12-01 15:53:24,643 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-01 15:53:24,644 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-01 15:53:24,644 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-01 15:53:24,644 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-01 15:53:24,644 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-01 15:53:24,644 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-01 15:53:24,644 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-01 15:53:24,644 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-01 15:53:24,645 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-01 15:53:24,645 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-01 15:53:24,645 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: (((\exists currentRoundingMode : FloatRoundingMode :: ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) == ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE())) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && ~fp.add~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())) == \result) && (\exists currentRoundingMode : FloatRoundingMode :: x == ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE())) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 48 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 6.8s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 1.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 78 SDtfs, 56 SDslu, 43 SDs, 0 SdLazy, 46 SolverSat, 10 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 78 GetRequests, 54 SyntacticMatches, 1 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 3.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=48occurred 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, 11 LocationsWithAnnotation, 11 PreInvPairs, 16 NumberOfFragments, 211 HoareAnnotationTreeSize, 11 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 11 FomulaSimplificationsInter, 32 FormulaSimplificationTreeSizeReductionInter, 0.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 1.6s SatisfiabilityAnalysisTime, 2.9s InterpolantComputationTime, 39 NumberOfCodeBlocks, 39 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 72 ConstructedInterpolants, 13 QuantifiedInterpolants, 6428 SizeOfPredicates, 18 NumberOfNonLiveVariables, 204 ConjunctsInSsa, 23 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...