./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_0260.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_59f9129d-a17e-49d4-8199-715164377490/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_59f9129d-a17e-49d4-8199-715164377490/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_59f9129d-a17e-49d4-8199-715164377490/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_59f9129d-a17e-49d4-8199-715164377490/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0260.c -s /tmp/vcloud-vcloud-master/worker/run_dir_59f9129d-a17e-49d4-8199-715164377490/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_59f9129d-a17e-49d4-8199-715164377490/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f4df82ea580918989808f581f8b270f0b85e6120 ............................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_59f9129d-a17e-49d4-8199-715164377490/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_59f9129d-a17e-49d4-8199-715164377490/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_59f9129d-a17e-49d4-8199-715164377490/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_59f9129d-a17e-49d4-8199-715164377490/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0260.c -s /tmp/vcloud-vcloud-master/worker/run_dir_59f9129d-a17e-49d4-8199-715164377490/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_59f9129d-a17e-49d4-8199-715164377490/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f4df82ea580918989808f581f8b270f0b85e6120 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-11-15 20:09:41,617 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-15 20:09:41,619 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-15 20:09:41,637 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-15 20:09:41,637 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-15 20:09:41,638 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-15 20:09:41,640 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-15 20:09:41,642 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-15 20:09:41,644 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-15 20:09:41,652 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-15 20:09:41,653 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-15 20:09:41,654 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-15 20:09:41,654 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-15 20:09:41,655 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-15 20:09:41,656 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-15 20:09:41,656 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-15 20:09:41,657 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-15 20:09:41,658 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-15 20:09:41,660 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-15 20:09:41,662 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-15 20:09:41,664 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-15 20:09:41,665 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-15 20:09:41,666 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-15 20:09:41,666 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-15 20:09:41,669 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-15 20:09:41,669 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-15 20:09:41,670 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-15 20:09:41,670 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-15 20:09:41,671 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-15 20:09:41,672 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-15 20:09:41,672 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-15 20:09:41,673 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-15 20:09:41,673 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-15 20:09:41,674 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-15 20:09:41,675 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-15 20:09:41,675 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-15 20:09:41,676 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-15 20:09:41,676 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-15 20:09:41,676 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-15 20:09:41,677 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-15 20:09:41,678 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-15 20:09:41,678 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_59f9129d-a17e-49d4-8199-715164377490/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-15 20:09:41,694 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-15 20:09:41,694 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-15 20:09:41,695 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-15 20:09:41,696 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-15 20:09:41,696 INFO L138 SettingsManager]: * Use SBE=true [2019-11-15 20:09:41,696 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-15 20:09:41,696 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-15 20:09:41,696 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-15 20:09:41,697 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-15 20:09:41,697 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-15 20:09:41,697 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-15 20:09:41,697 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-15 20:09:41,697 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-15 20:09:41,698 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-15 20:09:41,698 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-15 20:09:41,698 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-15 20:09:41,698 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-15 20:09:41,699 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-15 20:09:41,699 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-15 20:09:41,699 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-15 20:09:41,699 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-15 20:09:41,699 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-15 20:09:41,700 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-15 20:09:41,700 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-15 20:09:41,700 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-15 20:09:41,700 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-15 20:09:41,701 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-15 20:09:41,701 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-15 20:09:41,701 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_59f9129d-a17e-49d4-8199-715164377490/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(__VERIFIER_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 -> f4df82ea580918989808f581f8b270f0b85e6120 [2019-11-15 20:09:41,727 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-15 20:09:41,739 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-15 20:09:41,744 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-15 20:09:41,745 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-15 20:09:41,746 INFO L275 PluginConnector]: CDTParser initialized [2019-11-15 20:09:41,747 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_59f9129d-a17e-49d4-8199-715164377490/bin/uautomizer/../../sv-benchmarks/c/float-newlib/float_req_bl_0260.c [2019-11-15 20:09:41,817 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_59f9129d-a17e-49d4-8199-715164377490/bin/uautomizer/data/319bb7d1c/6665a184980048a4b71237849a659767/FLAG1c6c591c3 [2019-11-15 20:09:42,225 INFO L306 CDTParser]: Found 1 translation units. [2019-11-15 20:09:42,226 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_59f9129d-a17e-49d4-8199-715164377490/sv-benchmarks/c/float-newlib/float_req_bl_0260.c [2019-11-15 20:09:42,233 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_59f9129d-a17e-49d4-8199-715164377490/bin/uautomizer/data/319bb7d1c/6665a184980048a4b71237849a659767/FLAG1c6c591c3 [2019-11-15 20:09:42,247 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_59f9129d-a17e-49d4-8199-715164377490/bin/uautomizer/data/319bb7d1c/6665a184980048a4b71237849a659767 [2019-11-15 20:09:42,250 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-15 20:09:42,251 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-15 20:09:42,252 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-15 20:09:42,252 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-15 20:09:42,255 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-15 20:09:42,257 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 08:09:42" (1/1) ... [2019-11-15 20:09:42,259 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a1f1e6a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:09:42, skipping insertion in model container [2019-11-15 20:09:42,259 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 08:09:42" (1/1) ... [2019-11-15 20:09:42,266 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-15 20:09:42,303 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-15 20:09:42,553 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 20:09:42,557 INFO L188 MainTranslator]: Completed pre-run [2019-11-15 20:09:42,602 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 20:09:42,624 INFO L192 MainTranslator]: Completed translation [2019-11-15 20:09:42,624 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:09:42 WrapperNode [2019-11-15 20:09:42,624 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-15 20:09:42,625 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-15 20:09:42,625 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-15 20:09:42,625 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-15 20:09:42,631 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:09:42" (1/1) ... [2019-11-15 20:09:42,642 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:09:42" (1/1) ... [2019-11-15 20:09:42,676 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-15 20:09:42,676 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-15 20:09:42,676 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-15 20:09:42,676 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-15 20:09:42,684 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:09:42" (1/1) ... [2019-11-15 20:09:42,685 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:09:42" (1/1) ... [2019-11-15 20:09:42,688 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:09:42" (1/1) ... [2019-11-15 20:09:42,688 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:09:42" (1/1) ... [2019-11-15 20:09:42,700 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:09:42" (1/1) ... [2019-11-15 20:09:42,706 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:09:42" (1/1) ... [2019-11-15 20:09:42,709 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:09:42" (1/1) ... [2019-11-15 20:09:42,713 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-15 20:09:42,713 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-15 20:09:42,713 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-15 20:09:42,713 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-15 20:09:42,714 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:09:42" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_59f9129d-a17e-49d4-8199-715164377490/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 [2019-11-15 20:09:42,785 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-15 20:09:42,785 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-11-15 20:09:42,785 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-15 20:09:42,786 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-11-15 20:09:42,786 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-15 20:09:42,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-15 20:09:42,786 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-15 20:09:42,786 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-15 20:09:43,249 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-15 20:09:43,249 INFO L284 CfgBuilder]: Removed 28 assume(true) statements. [2019-11-15 20:09:43,251 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 08:09:43 BoogieIcfgContainer [2019-11-15 20:09:43,251 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-15 20:09:43,252 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-15 20:09:43,252 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-15 20:09:43,254 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-15 20:09:43,254 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.11 08:09:42" (1/3) ... [2019-11-15 20:09:43,255 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33dc967b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 08:09:43, skipping insertion in model container [2019-11-15 20:09:43,255 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:09:42" (2/3) ... [2019-11-15 20:09:43,256 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33dc967b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 08:09:43, skipping insertion in model container [2019-11-15 20:09:43,256 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 08:09:43" (3/3) ... [2019-11-15 20:09:43,258 INFO L109 eAbstractionObserver]: Analyzing ICFG float_req_bl_0260.c [2019-11-15 20:09:43,265 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-15 20:09:43,271 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-15 20:09:43,278 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-15 20:09:43,298 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-15 20:09:43,299 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-15 20:09:43,299 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-15 20:09:43,299 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-15 20:09:43,299 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-15 20:09:43,299 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-15 20:09:43,299 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-15 20:09:43,299 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-15 20:09:43,313 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states. [2019-11-15 20:09:43,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-11-15 20:09:43,319 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 20:09:43,320 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 20:09:43,321 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 20:09:43,326 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 20:09:43,327 INFO L82 PathProgramCache]: Analyzing trace with hash -1900532880, now seen corresponding path program 1 times [2019-11-15 20:09:43,334 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 20:09:43,335 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [869969121] [2019-11-15 20:09:43,335 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 20:09:43,335 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 20:09:43,335 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 20:09:43,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:09:43,429 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 20:09:43,430 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [869969121] [2019-11-15 20:09:43,430 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 20:09:43,431 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-15 20:09:43,431 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1319333471] [2019-11-15 20:09:43,434 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-15 20:09:43,435 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 20:09:43,447 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-15 20:09:43,448 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-15 20:09:43,450 INFO L87 Difference]: Start difference. First operand 56 states. Second operand 2 states. [2019-11-15 20:09:43,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 20:09:43,470 INFO L93 Difference]: Finished difference Result 110 states and 178 transitions. [2019-11-15 20:09:43,470 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-15 20:09:43,472 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 9 [2019-11-15 20:09:43,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 20:09:43,482 INFO L225 Difference]: With dead ends: 110 [2019-11-15 20:09:43,482 INFO L226 Difference]: Without dead ends: 53 [2019-11-15 20:09:43,485 INFO L600 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 [2019-11-15 20:09:43,501 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2019-11-15 20:09:43,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2019-11-15 20:09:43,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2019-11-15 20:09:43,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 70 transitions. [2019-11-15 20:09:43,521 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 70 transitions. Word has length 9 [2019-11-15 20:09:43,521 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 20:09:43,521 INFO L462 AbstractCegarLoop]: Abstraction has 53 states and 70 transitions. [2019-11-15 20:09:43,521 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-15 20:09:43,522 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 70 transitions. [2019-11-15 20:09:43,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-11-15 20:09:43,522 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 20:09:43,522 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 20:09:43,523 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 20:09:43,523 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 20:09:43,523 INFO L82 PathProgramCache]: Analyzing trace with hash 1487817933, now seen corresponding path program 1 times [2019-11-15 20:09:43,523 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 20:09:43,523 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [328204472] [2019-11-15 20:09:43,524 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 20:09:43,524 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 20:09:43,524 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 20:09:43,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 20:09:43,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 20:09:43,610 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-15 20:09:43,610 INFO L445 BasicCegarLoop]: Counterexample might be feasible [2019-11-15 20:09:43,643 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.11 08:09:43 BoogieIcfgContainer [2019-11-15 20:09:43,643 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-15 20:09:43,644 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-15 20:09:43,644 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-15 20:09:43,644 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-15 20:09:43,645 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 08:09:43" (3/4) ... [2019-11-15 20:09:43,648 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-15 20:09:43,648 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-15 20:09:43,650 INFO L168 Benchmark]: Toolchain (without parser) took 1398.83 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.0 MB). Free memory was 946.2 MB in the beginning and 1.1 GB in the end (delta: -106.8 MB). Peak memory consumption was 23.2 MB. Max. memory is 11.5 GB. [2019-11-15 20:09:43,651 INFO L168 Benchmark]: CDTParser took 0.34 ms. Allocated memory is still 1.0 GB. Free memory is still 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 20:09:43,651 INFO L168 Benchmark]: CACSL2BoogieTranslator took 372.53 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.0 MB). Free memory was 946.2 MB in the beginning and 1.1 GB in the end (delta: -173.5 MB). Peak memory consumption was 22.9 MB. Max. memory is 11.5 GB. [2019-11-15 20:09:43,652 INFO L168 Benchmark]: Boogie Procedure Inliner took 50.95 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 20:09:43,652 INFO L168 Benchmark]: Boogie Preprocessor took 36.76 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-11-15 20:09:43,653 INFO L168 Benchmark]: RCFGBuilder took 537.81 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 34.5 MB). Peak memory consumption was 34.5 MB. Max. memory is 11.5 GB. [2019-11-15 20:09:43,653 INFO L168 Benchmark]: TraceAbstraction took 391.63 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 26.8 MB). Peak memory consumption was 26.8 MB. Max. memory is 11.5 GB. [2019-11-15 20:09:43,654 INFO L168 Benchmark]: Witness Printer took 4.61 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 20:09:43,656 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34 ms. Allocated memory is still 1.0 GB. Free memory is still 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 372.53 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.0 MB). Free memory was 946.2 MB in the beginning and 1.1 GB in the end (delta: -173.5 MB). Peak memory consumption was 22.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 50.95 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 36.76 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 537.81 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 34.5 MB). Peak memory consumption was 34.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 391.63 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 26.8 MB). Peak memory consumption was 26.8 MB. Max. memory is 11.5 GB. * Witness Printer took 4.61 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 188]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 13, overapproximation of someUnaryDOUBLEoperation at line 102, overapproximation of bitwiseAnd at line 116, overapproximation of someUnaryFLOAToperation at line 100, overapproximation of someBinaryArithmeticFLOAToperation at line 119. Possible FailurePath: [L15] static const float one_sqrt = 1.0, tiny_sqrt = 1.0e-30; [L98-L106] static const float one_asin = 1.0000000000e+00, huge_asin = 1.000e+30, pio2_hi_asin = 1.57079637050628662109375f, pio2_lo_asin = -4.37113900018624283e-8f, pio4_hi_asin = 0.785398185253143310546875f, pS0_asin = 1.6666667163e-01, pS1_asin = -3.2556581497e-01, pS2_asin = 2.0121252537e-01, pS3_asin = -4.0055535734e-02, pS4_asin = 7.9153501429e-04, pS5_asin = 3.4793309169e-05, qS1_asin = -2.4033949375e+00, qS2_asin = 2.0209457874e+00, qS3_asin = -6.8828397989e-01, qS4_asin = 7.7038154006e-02; VAL [huge_asin=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] [L183] float x = 0.0f / 0.0f; [L109] float t, w, p, q, c, r, s; [L110] __int32_t hx, ix; VAL [huge_asin=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] [L112] ieee_float_shape_type gf_u; [L113] gf_u.value = (x) [L114] EXPR gf_u.word [L114] (hx) = gf_u.word [L116] ix = hx & 0x7fffffff VAL [huge_asin=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] [L117] COND TRUE ix == 0x3f800000 [L119] return x * pio2_hi_asin + x * pio2_lo_asin; VAL [huge_asin=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] [L184] float res = __ieee754_asinf(x); [L13] return x != x; VAL [huge_asin=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] [L187] COND TRUE !isnan_float(res) [L188] __VERIFIER_error() VAL [huge_asin=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 56 locations, 1 error locations. Result: UNSAFE, OverallTime: 0.3s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 73 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=56occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 19 NumberOfCodeBlocks, 19 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 64 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, 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 0.1.24-cad4683 [2019-11-15 20:09:45,736 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-15 20:09:45,737 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-15 20:09:45,747 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-15 20:09:45,748 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-15 20:09:45,748 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-15 20:09:45,750 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-15 20:09:45,751 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-15 20:09:45,753 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-15 20:09:45,754 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-15 20:09:45,755 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-15 20:09:45,756 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-15 20:09:45,756 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-15 20:09:45,757 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-15 20:09:45,758 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-15 20:09:45,759 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-15 20:09:45,760 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-15 20:09:45,760 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-15 20:09:45,762 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-15 20:09:45,765 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-15 20:09:45,766 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-15 20:09:45,767 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-15 20:09:45,769 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-15 20:09:45,769 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-15 20:09:45,772 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-15 20:09:45,773 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-15 20:09:45,773 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-15 20:09:45,774 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-15 20:09:45,774 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-15 20:09:45,775 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-15 20:09:45,776 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-15 20:09:45,785 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-15 20:09:45,786 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-15 20:09:45,787 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-15 20:09:45,788 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-15 20:09:45,788 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-15 20:09:45,788 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-15 20:09:45,789 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-15 20:09:45,789 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-15 20:09:45,790 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-15 20:09:45,790 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-15 20:09:45,791 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_59f9129d-a17e-49d4-8199-715164377490/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-15 20:09:45,814 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-15 20:09:45,815 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-15 20:09:45,816 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-15 20:09:45,816 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-15 20:09:45,816 INFO L138 SettingsManager]: * Use SBE=true [2019-11-15 20:09:45,816 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-15 20:09:45,817 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-15 20:09:45,818 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-15 20:09:45,818 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-15 20:09:45,819 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-15 20:09:45,819 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-15 20:09:45,819 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-15 20:09:45,819 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-15 20:09:45,819 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-15 20:09:45,819 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-15 20:09:45,820 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-15 20:09:45,820 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-15 20:09:45,820 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-15 20:09:45,820 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-15 20:09:45,821 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-15 20:09:45,821 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-15 20:09:45,821 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-15 20:09:45,821 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-15 20:09:45,821 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-15 20:09:45,822 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-15 20:09:45,822 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-15 20:09:45,822 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-15 20:09:45,822 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-15 20:09:45,822 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-15 20:09:45,822 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-15 20:09:45,823 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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_59f9129d-a17e-49d4-8199-715164377490/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(__VERIFIER_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 -> f4df82ea580918989808f581f8b270f0b85e6120 [2019-11-15 20:09:45,851 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-15 20:09:45,864 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-15 20:09:45,866 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-15 20:09:45,868 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-15 20:09:45,868 INFO L275 PluginConnector]: CDTParser initialized [2019-11-15 20:09:45,869 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_59f9129d-a17e-49d4-8199-715164377490/bin/uautomizer/../../sv-benchmarks/c/float-newlib/float_req_bl_0260.c [2019-11-15 20:09:45,939 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_59f9129d-a17e-49d4-8199-715164377490/bin/uautomizer/data/9dba45f9a/14aa0e234b014198942e67b63f4d8797/FLAG33839a1af [2019-11-15 20:09:46,315 INFO L306 CDTParser]: Found 1 translation units. [2019-11-15 20:09:46,316 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_59f9129d-a17e-49d4-8199-715164377490/sv-benchmarks/c/float-newlib/float_req_bl_0260.c [2019-11-15 20:09:46,324 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_59f9129d-a17e-49d4-8199-715164377490/bin/uautomizer/data/9dba45f9a/14aa0e234b014198942e67b63f4d8797/FLAG33839a1af [2019-11-15 20:09:46,684 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_59f9129d-a17e-49d4-8199-715164377490/bin/uautomizer/data/9dba45f9a/14aa0e234b014198942e67b63f4d8797 [2019-11-15 20:09:46,686 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-15 20:09:46,688 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-15 20:09:46,689 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-15 20:09:46,689 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-15 20:09:46,692 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-15 20:09:46,693 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 08:09:46" (1/1) ... [2019-11-15 20:09:46,696 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a6a5db5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:09:46, skipping insertion in model container [2019-11-15 20:09:46,696 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 08:09:46" (1/1) ... [2019-11-15 20:09:46,703 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-15 20:09:46,746 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-15 20:09:47,012 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 20:09:47,027 INFO L188 MainTranslator]: Completed pre-run [2019-11-15 20:09:47,134 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 20:09:47,156 INFO L192 MainTranslator]: Completed translation [2019-11-15 20:09:47,157 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:09:47 WrapperNode [2019-11-15 20:09:47,157 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-15 20:09:47,157 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-15 20:09:47,157 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-15 20:09:47,157 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-15 20:09:47,163 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:09:47" (1/1) ... [2019-11-15 20:09:47,176 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:09:47" (1/1) ... [2019-11-15 20:09:47,217 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-15 20:09:47,218 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-15 20:09:47,218 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-15 20:09:47,218 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-15 20:09:47,226 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:09:47" (1/1) ... [2019-11-15 20:09:47,226 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:09:47" (1/1) ... [2019-11-15 20:09:47,233 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:09:47" (1/1) ... [2019-11-15 20:09:47,234 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:09:47" (1/1) ... [2019-11-15 20:09:47,251 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:09:47" (1/1) ... [2019-11-15 20:09:47,257 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:09:47" (1/1) ... [2019-11-15 20:09:47,261 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:09:47" (1/1) ... [2019-11-15 20:09:47,266 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-15 20:09:47,266 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-15 20:09:47,266 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-15 20:09:47,266 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-15 20:09:47,274 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:09:47" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_59f9129d-a17e-49d4-8199-715164377490/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 [2019-11-15 20:09:47,325 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-15 20:09:47,326 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2019-11-15 20:09:47,326 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-11-15 20:09:47,326 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-15 20:09:47,326 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-15 20:09:47,326 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2019-11-15 20:09:47,326 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-11-15 20:09:47,326 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-15 20:09:57,249 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-15 20:09:57,249 INFO L284 CfgBuilder]: Removed 28 assume(true) statements. [2019-11-15 20:09:57,250 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 08:09:57 BoogieIcfgContainer [2019-11-15 20:09:57,250 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-15 20:09:57,251 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-15 20:09:57,251 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-15 20:09:57,253 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-15 20:09:57,254 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.11 08:09:46" (1/3) ... [2019-11-15 20:09:57,254 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57a19879 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 08:09:57, skipping insertion in model container [2019-11-15 20:09:57,254 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 08:09:47" (2/3) ... [2019-11-15 20:09:57,255 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57a19879 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 08:09:57, skipping insertion in model container [2019-11-15 20:09:57,255 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 08:09:57" (3/3) ... [2019-11-15 20:09:57,257 INFO L109 eAbstractionObserver]: Analyzing ICFG float_req_bl_0260.c [2019-11-15 20:09:57,265 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-15 20:09:57,270 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-15 20:09:57,280 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-15 20:09:57,298 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-15 20:09:57,298 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-15 20:09:57,298 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-15 20:09:57,298 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-15 20:09:57,298 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-15 20:09:57,299 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-15 20:09:57,299 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-15 20:09:57,299 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-15 20:09:57,311 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states. [2019-11-15 20:09:57,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-11-15 20:09:57,316 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 20:09:57,317 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 20:09:57,318 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 20:09:57,322 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 20:09:57,322 INFO L82 PathProgramCache]: Analyzing trace with hash -1900532880, now seen corresponding path program 1 times [2019-11-15 20:09:57,331 INFO L157 tionRefinementEngine]: Executing refinement strategy WOLF [2019-11-15 20:09:57,331 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1834712682] [2019-11-15 20:09:57,332 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_59f9129d-a17e-49d4-8199-715164377490/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 [2019-11-15 20:09:57,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:09:57,563 INFO L256 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 1 conjunts are in the unsatisfiable core [2019-11-15 20:09:57,568 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 20:09:57,578 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 20:09:57,579 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-11-15 20:09:57,582 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 20:09:57,583 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1834712682] [2019-11-15 20:09:57,584 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-15 20:09:57,584 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-11-15 20:09:57,584 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1790619097] [2019-11-15 20:09:57,587 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-15 20:09:57,588 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-15 20:09:57,596 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-15 20:09:57,597 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-15 20:09:57,598 INFO L87 Difference]: Start difference. First operand 56 states. Second operand 2 states. [2019-11-15 20:09:57,626 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 20:09:57,626 INFO L93 Difference]: Finished difference Result 110 states and 178 transitions. [2019-11-15 20:09:57,626 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-15 20:09:57,628 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 9 [2019-11-15 20:09:57,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 20:09:57,637 INFO L225 Difference]: With dead ends: 110 [2019-11-15 20:09:57,638 INFO L226 Difference]: Without dead ends: 53 [2019-11-15 20:09:57,640 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-15 20:09:57,653 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2019-11-15 20:09:57,666 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2019-11-15 20:09:57,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2019-11-15 20:09:57,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 70 transitions. [2019-11-15 20:09:57,670 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 70 transitions. Word has length 9 [2019-11-15 20:09:57,670 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 20:09:57,671 INFO L462 AbstractCegarLoop]: Abstraction has 53 states and 70 transitions. [2019-11-15 20:09:57,671 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-15 20:09:57,671 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 70 transitions. [2019-11-15 20:09:57,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-11-15 20:09:57,672 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 20:09:57,672 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 20:09:57,886 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-11-15 20:09:57,890 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 20:09:57,891 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 20:09:57,891 INFO L82 PathProgramCache]: Analyzing trace with hash 1487817933, now seen corresponding path program 1 times [2019-11-15 20:09:57,891 INFO L157 tionRefinementEngine]: Executing refinement strategy WOLF [2019-11-15 20:09:57,892 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [379307671] [2019-11-15 20:09:57,892 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_59f9129d-a17e-49d4-8199-715164377490/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 [2019-11-15 20:09:58,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:09:58,144 INFO L256 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 8 conjunts are in the unsatisfiable core [2019-11-15 20:09:58,146 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 20:09:58,220 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 20:09:58,221 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-11-15 20:09:58,289 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 20:09:58,290 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [379307671] [2019-11-15 20:09:58,290 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-15 20:09:58,290 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2019-11-15 20:09:58,290 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1834635701] [2019-11-15 20:09:58,292 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-15 20:09:58,292 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-15 20:09:58,292 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-15 20:09:58,293 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-11-15 20:09:58,293 INFO L87 Difference]: Start difference. First operand 53 states and 70 transitions. Second operand 8 states. [2019-11-15 20:09:58,698 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 20:09:58,698 INFO L93 Difference]: Finished difference Result 58 states and 74 transitions. [2019-11-15 20:09:58,699 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-15 20:09:58,699 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 10 [2019-11-15 20:09:58,699 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 20:09:58,699 INFO L225 Difference]: With dead ends: 58 [2019-11-15 20:09:58,700 INFO L226 Difference]: Without dead ends: 12 [2019-11-15 20:09:58,701 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2019-11-15 20:09:58,701 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states. [2019-11-15 20:09:58,703 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 12. [2019-11-15 20:09:58,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2019-11-15 20:09:58,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 11 transitions. [2019-11-15 20:09:58,704 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 11 transitions. Word has length 10 [2019-11-15 20:09:58,704 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 20:09:58,704 INFO L462 AbstractCegarLoop]: Abstraction has 12 states and 11 transitions. [2019-11-15 20:09:58,704 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-15 20:09:58,704 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 11 transitions. [2019-11-15 20:09:58,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-11-15 20:09:58,705 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 20:09:58,705 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 20:09:58,905 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-11-15 20:09:58,906 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 20:09:58,906 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 20:09:58,906 INFO L82 PathProgramCache]: Analyzing trace with hash -1242404338, now seen corresponding path program 1 times [2019-11-15 20:09:58,907 INFO L157 tionRefinementEngine]: Executing refinement strategy WOLF [2019-11-15 20:09:58,907 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [551759643] [2019-11-15 20:09:58,907 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_59f9129d-a17e-49d4-8199-715164377490/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 [2019-11-15 20:09:59,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 20:09:59,238 INFO L256 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 10 conjunts are in the unsatisfiable core [2019-11-15 20:09:59,240 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 20:09:59,287 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 20:09:59,287 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-11-15 20:09:59,955 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 20:09:59,956 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [551759643] [2019-11-15 20:09:59,956 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-15 20:09:59,956 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6, 5] imperfect sequences [] total 8 [2019-11-15 20:09:59,956 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [335751188] [2019-11-15 20:09:59,957 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-15 20:09:59,957 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-15 20:09:59,957 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-15 20:09:59,958 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2019-11-15 20:09:59,958 INFO L87 Difference]: Start difference. First operand 12 states and 11 transitions. Second operand 8 states. [2019-11-15 20:10:00,478 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 20:10:00,478 INFO L93 Difference]: Finished difference Result 12 states and 11 transitions. [2019-11-15 20:10:00,478 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-15 20:10:00,478 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 11 [2019-11-15 20:10:00,478 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 20:10:00,479 INFO L225 Difference]: With dead ends: 12 [2019-11-15 20:10:00,479 INFO L226 Difference]: Without dead ends: 0 [2019-11-15 20:10:00,479 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 12 SyntacticMatches, 2 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2019-11-15 20:10:00,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-15 20:10:00,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-15 20:10:00,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-15 20:10:00,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-15 20:10:00,480 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 11 [2019-11-15 20:10:00,481 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 20:10:00,481 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-15 20:10:00,481 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-15 20:10:00,481 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-15 20:10:00,481 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-15 20:10:00,682 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-11-15 20:10:00,685 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-15 20:10:00,808 INFO L443 ceAbstractionStarter]: For program point L85-1(lines 85 89) no Hoare annotation was computed. [2019-11-15 20:10:00,809 INFO L439 ceAbstractionStarter]: At program point L85-2(lines 85 89) the Hoare annotation is: false [2019-11-15 20:10:00,809 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-15 20:10:00,809 INFO L439 ceAbstractionStarter]: At program point L53-2(lines 53 62) the Hoare annotation is: false [2019-11-15 20:10:00,809 INFO L443 ceAbstractionStarter]: For program point L53-3(lines 17 82) no Hoare annotation was computed. [2019-11-15 20:10:00,809 INFO L443 ceAbstractionStarter]: For program point L120(lines 120 137) no Hoare annotation was computed. [2019-11-15 20:10:00,809 INFO L443 ceAbstractionStarter]: For program point L38(lines 38 42) no Hoare annotation was computed. [2019-11-15 20:10:00,810 INFO L443 ceAbstractionStarter]: For program point L38-2(lines 38 42) no Hoare annotation was computed. [2019-11-15 20:10:00,810 INFO L443 ceAbstractionStarter]: For program point L187(lines 187 190) no Hoare annotation was computed. [2019-11-15 20:10:00,810 INFO L443 ceAbstractionStarter]: For program point L154-1(lines 154 158) no Hoare annotation was computed. [2019-11-15 20:10:00,810 INFO L439 ceAbstractionStarter]: At program point L154-2(lines 154 158) the Hoare annotation is: false [2019-11-15 20:10:00,810 INFO L443 ceAbstractionStarter]: For program point L55(lines 55 59) no Hoare annotation was computed. [2019-11-15 20:10:00,810 INFO L443 ceAbstractionStarter]: For program point L22-1(lines 22 26) no Hoare annotation was computed. [2019-11-15 20:10:00,810 INFO L443 ceAbstractionStarter]: For program point L55-2(lines 55 59) no Hoare annotation was computed. [2019-11-15 20:10:00,811 INFO L439 ceAbstractionStarter]: At program point L22-2(lines 22 26) the Hoare annotation is: false [2019-11-15 20:10:00,811 INFO L443 ceAbstractionStarter]: For program point L22-3(lines 22 26) no Hoare annotation was computed. [2019-11-15 20:10:00,811 INFO L443 ceAbstractionStarter]: For program point L39-2(lines 39 40) no Hoare annotation was computed. [2019-11-15 20:10:00,811 INFO L439 ceAbstractionStarter]: At program point L39-3(lines 39 40) the Hoare annotation is: false [2019-11-15 20:10:00,811 INFO L443 ceAbstractionStarter]: For program point L39-4(lines 39 40) no Hoare annotation was computed. [2019-11-15 20:10:00,811 INFO L443 ceAbstractionStarter]: For program point L188(line 188) no Hoare annotation was computed. [2019-11-15 20:10:00,811 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 188) no Hoare annotation was computed. [2019-11-15 20:10:00,812 INFO L443 ceAbstractionStarter]: For program point L122(lines 122 137) no Hoare annotation was computed. [2019-11-15 20:10:00,812 INFO L443 ceAbstractionStarter]: For program point L122-1(lines 122 137) no Hoare annotation was computed. [2019-11-15 20:10:00,812 INFO L443 ceAbstractionStarter]: For program point L123(lines 123 136) no Hoare annotation was computed. [2019-11-15 20:10:00,812 INFO L443 ceAbstractionStarter]: For program point L90(lines 90 94) no Hoare annotation was computed. [2019-11-15 20:10:00,812 INFO L443 ceAbstractionStarter]: For program point L90-1(lines 83 96) no Hoare annotation was computed. [2019-11-15 20:10:00,812 INFO L443 ceAbstractionStarter]: For program point L90-2(lines 90 94) no Hoare annotation was computed. [2019-11-15 20:10:00,813 INFO L439 ceAbstractionStarter]: At program point L173(lines 108 174) the Hoare annotation is: (let ((.cse1 (fp.div roundNearestTiesToEven (_ +zero 8 24) (_ +zero 8 24)))) (and (= |ULTIMATE.start___ieee754_asinf_#res| (let ((.cse0 (fp.sub roundNearestTiesToEven .cse1 .cse1))) (fp.div roundNearestTiesToEven .cse0 .cse0))) (= ULTIMATE.start___ieee754_asinf_~x .cse1) (= (fp ((_ extract 31 31) ULTIMATE.start___ieee754_asinf_~hx~1) ((_ extract 30 23) ULTIMATE.start___ieee754_asinf_~hx~1) ((_ extract 22 0) ULTIMATE.start___ieee754_asinf_~hx~1)) .cse1) (exists ((ULTIMATE.start___ieee754_asinf_~hx~1 (_ BitVec 32))) (and (= ULTIMATE.start___ieee754_asinf_~ix~2 (bvand (_ bv2147483647 32) ULTIMATE.start___ieee754_asinf_~hx~1)) (= (fp ((_ extract 31 31) ULTIMATE.start___ieee754_asinf_~hx~1) ((_ extract 30 23) ULTIMATE.start___ieee754_asinf_~hx~1) ((_ extract 22 0) ULTIMATE.start___ieee754_asinf_~hx~1)) (fp.div roundNearestTiesToEven (_ +zero 8 24) (_ +zero 8 24))))))) [2019-11-15 20:10:00,813 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-15 20:10:00,813 INFO L443 ceAbstractionStarter]: For program point L124(lines 124 125) no Hoare annotation was computed. [2019-11-15 20:10:00,813 INFO L443 ceAbstractionStarter]: For program point L76-1(lines 76 80) no Hoare annotation was computed. [2019-11-15 20:10:00,813 INFO L439 ceAbstractionStarter]: At program point L76-2(lines 76 80) the Hoare annotation is: false [2019-11-15 20:10:00,813 INFO L443 ceAbstractionStarter]: For program point L76-3(lines 76 80) no Hoare annotation was computed. [2019-11-15 20:10:00,813 INFO L446 ceAbstractionStarter]: At program point L192(lines 176 193) the Hoare annotation is: true [2019-11-15 20:10:00,813 INFO L443 ceAbstractionStarter]: For program point L159(lines 159 163) no Hoare annotation was computed. [2019-11-15 20:10:00,814 INFO L443 ceAbstractionStarter]: For program point L159-1(lines 151 169) no Hoare annotation was computed. [2019-11-15 20:10:00,814 INFO L443 ceAbstractionStarter]: For program point L159-2(lines 159 163) no Hoare annotation was computed. [2019-11-15 20:10:00,814 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-15 20:10:00,814 INFO L443 ceAbstractionStarter]: For program point L111-1(lines 111 115) no Hoare annotation was computed. [2019-11-15 20:10:00,814 INFO L439 ceAbstractionStarter]: At program point L111-2(lines 111 115) the Hoare annotation is: (= ULTIMATE.start___ieee754_asinf_~x (fp.div roundNearestTiesToEven (_ +zero 8 24) (_ +zero 8 24))) [2019-11-15 20:10:00,814 INFO L443 ceAbstractionStarter]: For program point L45(lines 45 46) no Hoare annotation was computed. [2019-11-15 20:10:00,814 INFO L443 ceAbstractionStarter]: For program point L111-3(lines 111 115) no Hoare annotation was computed. [2019-11-15 20:10:00,815 INFO L443 ceAbstractionStarter]: For program point L45-2(lines 45 46) no Hoare annotation was computed. [2019-11-15 20:10:00,815 INFO L439 ceAbstractionStarter]: At program point L95(lines 83 96) the Hoare annotation is: false [2019-11-15 20:10:00,815 INFO L443 ceAbstractionStarter]: For program point L29(lines 29 30) no Hoare annotation was computed. [2019-11-15 20:10:00,815 INFO L439 ceAbstractionStarter]: At program point L13(line 13) the Hoare annotation is: (let ((.cse1 (fp.div roundNearestTiesToEven (_ +zero 8 24) (_ +zero 8 24)))) (and (= (_ bv1 32) |ULTIMATE.start_isnan_float_#res|) (= |ULTIMATE.start___ieee754_asinf_#res| (let ((.cse0 (fp.sub roundNearestTiesToEven .cse1 .cse1))) (fp.div roundNearestTiesToEven .cse0 .cse0))) (= ULTIMATE.start___ieee754_asinf_~x .cse1) (= (fp ((_ extract 31 31) ULTIMATE.start___ieee754_asinf_~hx~1) ((_ extract 30 23) ULTIMATE.start___ieee754_asinf_~hx~1) ((_ extract 22 0) ULTIMATE.start___ieee754_asinf_~hx~1)) .cse1) (exists ((ULTIMATE.start___ieee754_asinf_~hx~1 (_ BitVec 32))) (and (= ULTIMATE.start___ieee754_asinf_~ix~2 (bvand (_ bv2147483647 32) ULTIMATE.start___ieee754_asinf_~hx~1)) (= (fp ((_ extract 31 31) ULTIMATE.start___ieee754_asinf_~hx~1) ((_ extract 30 23) ULTIMATE.start___ieee754_asinf_~hx~1) ((_ extract 22 0) ULTIMATE.start___ieee754_asinf_~hx~1)) (fp.div roundNearestTiesToEven (_ +zero 8 24) (_ +zero 8 24))))))) [2019-11-15 20:10:00,815 INFO L443 ceAbstractionStarter]: For program point L64(lines 64 73) no Hoare annotation was computed. [2019-11-15 20:10:00,815 INFO L439 ceAbstractionStarter]: At program point L81(lines 17 82) the Hoare annotation is: false [2019-11-15 20:10:00,816 INFO L443 ceAbstractionStarter]: For program point L32(lines 32 33) no Hoare annotation was computed. [2019-11-15 20:10:00,816 INFO L443 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-15 20:10:00,816 INFO L443 ceAbstractionStarter]: For program point L148(lines 148 169) no Hoare annotation was computed. [2019-11-15 20:10:00,816 INFO L443 ceAbstractionStarter]: For program point L148-2(lines 108 174) no Hoare annotation was computed. [2019-11-15 20:10:00,816 INFO L443 ceAbstractionStarter]: For program point L66(lines 66 72) no Hoare annotation was computed. [2019-11-15 20:10:00,816 INFO L443 ceAbstractionStarter]: For program point L34(lines 34 35) no Hoare annotation was computed. [2019-11-15 20:10:00,816 INFO L443 ceAbstractionStarter]: For program point L117(lines 117 137) no Hoare annotation was computed. [2019-11-15 20:10:00,816 INFO L443 ceAbstractionStarter]: For program point L68(lines 68 71) no Hoare annotation was computed. [2019-11-15 20:10:00,826 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 20:10:00,827 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 20:10:00,827 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 20:10:00,827 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 20:10:00,827 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 20:10:00,827 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 20:10:00,828 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 20:10:00,828 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 20:10:00,828 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 20:10:00,828 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-15 20:10:00,828 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-15 20:10:00,829 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-15 20:10:00,829 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-15 20:10:00,829 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 20:10:00,832 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 20:10:00,832 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 20:10:00,833 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 20:10:00,833 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 20:10:00,833 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 20:10:00,833 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 20:10:00,833 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 20:10:00,834 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 20:10:00,834 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 20:10:00,834 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-15 20:10:00,834 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-15 20:10:00,834 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-15 20:10:00,835 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-15 20:10:00,835 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 20:10:00,836 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 20:10:00,836 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 20:10:00,837 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 20:10:00,837 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 20:10:00,837 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 20:10:00,837 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 20:10:00,838 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 20:10:00,838 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 20:10:00,838 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 20:10:00,838 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-15 20:10:00,838 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-15 20:10:00,839 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-15 20:10:00,839 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-15 20:10:00,839 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 20:10:00,839 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 20:10:00,840 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 20:10:00,840 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 20:10:00,840 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 20:10:00,840 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 20:10:00,840 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 20:10:00,841 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 20:10:00,841 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 20:10:00,841 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 20:10:00,841 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-15 20:10:00,842 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-15 20:10:00,842 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-15 20:10:00,842 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-15 20:10:00,842 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 20:10:00,843 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 20:10:00,843 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 20:10:00,845 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.11 08:10:00 BoogieIcfgContainer [2019-11-15 20:10:00,846 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-15 20:10:00,846 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-15 20:10:00,846 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-15 20:10:00,846 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-15 20:10:00,847 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 08:09:57" (3/4) ... [2019-11-15 20:10:00,850 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-15 20:10:00,863 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2019-11-15 20:10:00,864 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-11-15 20:10:00,890 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\result == ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.sub~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE())), ~fp.sub~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()))) && x == ~fp.div~FLOAT(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE())) && ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) == ~fp.div~FLOAT(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE())) && (\exists ULTIMATE.start___ieee754_asinf_~hx~1 : bv32 :: ix == ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_asinf_~hx~1) && ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_asinf_~hx~1[31:31], ULTIMATE.start___ieee754_asinf_~hx~1[30:23], ULTIMATE.start___ieee754_asinf_~hx~1[22:0]) == ~fp.div~FLOAT(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE())) [2019-11-15 20:10:00,891 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((1bv32 == \result && \result == ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.sub~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE())), ~fp.sub~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE())))) && x == ~fp.div~FLOAT(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE())) && ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) == ~fp.div~FLOAT(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE())) && (\exists ULTIMATE.start___ieee754_asinf_~hx~1 : bv32 :: ix == ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_asinf_~hx~1) && ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_asinf_~hx~1[31:31], ULTIMATE.start___ieee754_asinf_~hx~1[30:23], ULTIMATE.start___ieee754_asinf_~hx~1[22:0]) == ~fp.div~FLOAT(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE())) [2019-11-15 20:10:00,930 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_59f9129d-a17e-49d4-8199-715164377490/bin/uautomizer/witness.graphml [2019-11-15 20:10:00,930 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-15 20:10:00,932 INFO L168 Benchmark]: Toolchain (without parser) took 14244.45 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.2 MB). Free memory was 945.6 MB in the beginning and 956.3 MB in the end (delta: -10.7 MB). Peak memory consumption was 122.5 MB. Max. memory is 11.5 GB. [2019-11-15 20:10:00,933 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 1.0 GB. Free memory is still 972.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 20:10:00,933 INFO L168 Benchmark]: CACSL2BoogieTranslator took 468.38 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.2 MB). Free memory was 945.6 MB in the beginning and 1.1 GB in the end (delta: -176.5 MB). Peak memory consumption was 28.7 MB. Max. memory is 11.5 GB. [2019-11-15 20:10:00,934 INFO L168 Benchmark]: Boogie Procedure Inliner took 60.37 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-11-15 20:10:00,934 INFO L168 Benchmark]: Boogie Preprocessor took 47.93 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 20:10:00,934 INFO L168 Benchmark]: RCFGBuilder took 9984.32 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 45.7 MB). Peak memory consumption was 45.7 MB. Max. memory is 11.5 GB. [2019-11-15 20:10:00,935 INFO L168 Benchmark]: TraceAbstraction took 3594.59 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 962.9 MB in the end (delta: 106.9 MB). Peak memory consumption was 106.9 MB. Max. memory is 11.5 GB. [2019-11-15 20:10:00,935 INFO L168 Benchmark]: Witness Printer took 84.52 ms. Allocated memory is still 1.2 GB. Free memory was 962.9 MB in the beginning and 956.3 MB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-11-15 20:10:00,937 INFO L335 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 1.0 GB. Free memory is still 972.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 468.38 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.2 MB). Free memory was 945.6 MB in the beginning and 1.1 GB in the end (delta: -176.5 MB). Peak memory consumption was 28.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 60.37 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 47.93 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 9984.32 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 45.7 MB). Peak memory consumption was 45.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 3594.59 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 962.9 MB in the end (delta: 106.9 MB). Peak memory consumption was 106.9 MB. Max. memory is 11.5 GB. * Witness Printer took 84.52 ms. Allocated memory is still 1.2 GB. Free memory was 962.9 MB in the beginning and 956.3 MB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,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[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,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[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,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[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,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 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 188]: 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: 83]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 76]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 176]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 17]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 108]: Loop Invariant [2019-11-15 20:10:00,944 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 20:10:00,944 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 20:10:00,944 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 20:10:00,945 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 20:10:00,945 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 20:10:00,945 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 20:10:00,945 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 20:10:00,945 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 20:10:00,946 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 20:10:00,946 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-15 20:10:00,946 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-15 20:10:00,946 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-15 20:10:00,946 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-15 20:10:00,947 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 20:10:00,947 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 20:10:00,948 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 20:10:00,948 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 20:10:00,948 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 20:10:00,948 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 20:10:00,948 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 20:10:00,949 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 20:10:00,949 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 20:10:00,949 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 20:10:00,949 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-15 20:10:00,949 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-15 20:10:00,950 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-15 20:10:00,950 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-15 20:10:00,950 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: ((\result == ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.sub~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE())), ~fp.sub~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()))) && x == ~fp.div~FLOAT(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE())) && ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) == ~fp.div~FLOAT(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE())) && (\exists ULTIMATE.start___ieee754_asinf_~hx~1 : bv32 :: ix == ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_asinf_~hx~1) && ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_asinf_~hx~1[31:31], ULTIMATE.start___ieee754_asinf_~hx~1[30:23], ULTIMATE.start___ieee754_asinf_~hx~1[22:0]) == ~fp.div~FLOAT(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE())) - InvariantResult [Line: 13]: Loop Invariant [2019-11-15 20:10:00,951 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 20:10:00,951 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 20:10:00,951 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 20:10:00,951 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 20:10:00,952 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 20:10:00,952 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 20:10:00,952 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 20:10:00,952 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 20:10:00,952 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 20:10:00,953 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-15 20:10:00,953 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-15 20:10:00,953 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-15 20:10:00,953 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-15 20:10:00,953 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 20:10:00,954 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 20:10:00,954 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 20:10:00,954 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 20:10:00,955 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 20:10:00,955 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 20:10:00,955 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 20:10:00,955 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 20:10:00,955 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 20:10:00,956 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 20:10:00,956 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-15 20:10:00,956 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-15 20:10:00,956 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-15 20:10:00,956 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2019-11-15 20:10:00,957 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: (((1bv32 == \result && \result == ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.sub~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE())), ~fp.sub~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE())))) && x == ~fp.div~FLOAT(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE())) && ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) == ~fp.div~FLOAT(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE())) && (\exists ULTIMATE.start___ieee754_asinf_~hx~1 : bv32 :: ix == ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_asinf_~hx~1) && ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_asinf_~hx~1[31:31], ULTIMATE.start___ieee754_asinf_~hx~1[30:23], ULTIMATE.start___ieee754_asinf_~hx~1[22:0]) == ~fp.div~FLOAT(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE())) - InvariantResult [Line: 111]: Loop Invariant [2019-11-15 20:10:00,957 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-15 20:10:00,958 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: x == ~fp.div~FLOAT(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()) - InvariantResult [Line: 154]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 85]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 53]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 22]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 39]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 56 locations, 1 error locations. Result: SAFE, OverallTime: 3.5s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 0.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, HoareTripleCheckerStatistics: 85 SDtfs, 41 SDslu, 24 SDs, 0 SdLazy, 21 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 59 GetRequests, 40 SyntacticMatches, 2 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=56occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 12 LocationsWithAnnotation, 12 PreInvPairs, 16 NumberOfFragments, 142 HoareAnnotationTreeSize, 12 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 12 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 30 NumberOfCodeBlocks, 30 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 54 ConstructedInterpolants, 2 QuantifiedInterpolants, 2029 SizeOfPredicates, 14 NumberOfNonLiveVariables, 129 ConjunctsInSsa, 19 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, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...