./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_1052a.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_02e9cc2a-55a1-488a-8f41-ffbd53981801/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_02e9cc2a-55a1-488a-8f41-ffbd53981801/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_02e9cc2a-55a1-488a-8f41-ffbd53981801/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_02e9cc2a-55a1-488a-8f41-ffbd53981801/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1052a.c -s /tmp/vcloud-vcloud-master/worker/run_dir_02e9cc2a-55a1-488a-8f41-ffbd53981801/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_02e9cc2a-55a1-488a-8f41-ffbd53981801/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 269c6e32b98d41be14ec8894bc32516e2df9c183 ............................................................................................................................................................................................................................................................................................. 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_02e9cc2a-55a1-488a-8f41-ffbd53981801/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_02e9cc2a-55a1-488a-8f41-ffbd53981801/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_02e9cc2a-55a1-488a-8f41-ffbd53981801/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_02e9cc2a-55a1-488a-8f41-ffbd53981801/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1052a.c -s /tmp/vcloud-vcloud-master/worker/run_dir_02e9cc2a-55a1-488a-8f41-ffbd53981801/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_02e9cc2a-55a1-488a-8f41-ffbd53981801/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 269c6e32b98d41be14ec8894bc32516e2df9c183 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-07 17:13:36,184 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 17:13:36,185 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 17:13:36,195 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 17:13:36,195 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 17:13:36,195 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 17:13:36,196 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 17:13:36,198 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 17:13:36,199 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 17:13:36,199 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 17:13:36,200 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 17:13:36,201 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 17:13:36,201 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 17:13:36,202 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 17:13:36,202 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 17:13:36,203 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 17:13:36,204 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 17:13:36,204 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 17:13:36,206 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 17:13:36,207 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 17:13:36,208 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 17:13:36,209 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 17:13:36,210 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 17:13:36,210 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 17:13:36,212 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 17:13:36,212 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 17:13:36,212 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 17:13:36,212 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 17:13:36,213 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 17:13:36,213 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 17:13:36,213 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 17:13:36,214 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 17:13:36,215 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 17:13:36,215 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 17:13:36,216 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 17:13:36,216 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 17:13:36,217 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 17:13:36,217 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 17:13:36,217 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 17:13:36,218 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 17:13:36,218 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 17:13:36,219 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_02e9cc2a-55a1-488a-8f41-ffbd53981801/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-12-07 17:13:36,231 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 17:13:36,231 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 17:13:36,232 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 17:13:36,232 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 17:13:36,233 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 17:13:36,233 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 17:13:36,233 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 17:13:36,233 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 17:13:36,233 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 17:13:36,234 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 17:13:36,234 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 17:13:36,234 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 17:13:36,234 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 17:13:36,234 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 17:13:36,235 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 17:13:36,235 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 17:13:36,235 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 17:13:36,235 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 17:13:36,235 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 17:13:36,236 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 17:13:36,236 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 17:13:36,236 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 17:13:36,236 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 17:13:36,236 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 17:13:36,236 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 17:13:36,237 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-07 17:13:36,237 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 17:13:36,237 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 17:13:36,237 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 17:13:36,237 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_02e9cc2a-55a1-488a-8f41-ffbd53981801/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 -> 269c6e32b98d41be14ec8894bc32516e2df9c183 [2019-12-07 17:13:36,346 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 17:13:36,354 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 17:13:36,357 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 17:13:36,358 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 17:13:36,359 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 17:13:36,359 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_02e9cc2a-55a1-488a-8f41-ffbd53981801/bin/uautomizer/../../sv-benchmarks/c/float-newlib/float_req_bl_1052a.c [2019-12-07 17:13:36,399 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_02e9cc2a-55a1-488a-8f41-ffbd53981801/bin/uautomizer/data/8bdc518b8/16b705a6ff594612ab151719bd4c5ec7/FLAG6be52dbc5 [2019-12-07 17:13:36,721 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 17:13:36,722 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_02e9cc2a-55a1-488a-8f41-ffbd53981801/sv-benchmarks/c/float-newlib/float_req_bl_1052a.c [2019-12-07 17:13:36,726 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_02e9cc2a-55a1-488a-8f41-ffbd53981801/bin/uautomizer/data/8bdc518b8/16b705a6ff594612ab151719bd4c5ec7/FLAG6be52dbc5 [2019-12-07 17:13:36,734 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_02e9cc2a-55a1-488a-8f41-ffbd53981801/bin/uautomizer/data/8bdc518b8/16b705a6ff594612ab151719bd4c5ec7 [2019-12-07 17:13:36,736 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 17:13:36,737 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 17:13:36,737 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 17:13:36,737 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 17:13:36,739 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 17:13:36,740 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 05:13:36" (1/1) ... [2019-12-07 17:13:36,741 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@408e5454 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:13:36, skipping insertion in model container [2019-12-07 17:13:36,741 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 05:13:36" (1/1) ... [2019-12-07 17:13:36,746 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 17:13:36,758 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 17:13:36,905 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 17:13:36,908 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 17:13:36,928 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 17:13:36,942 INFO L208 MainTranslator]: Completed translation [2019-12-07 17:13:36,942 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:13:36 WrapperNode [2019-12-07 17:13:36,942 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 17:13:36,943 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 17:13:36,943 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 17:13:36,943 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 17:13:36,948 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:13:36" (1/1) ... [2019-12-07 17:13:36,954 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:13:36" (1/1) ... [2019-12-07 17:13:36,970 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 17:13:36,970 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 17:13:36,970 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 17:13:36,970 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 17:13:36,977 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:13:36" (1/1) ... [2019-12-07 17:13:36,977 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:13:36" (1/1) ... [2019-12-07 17:13:36,978 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:13:36" (1/1) ... [2019-12-07 17:13:36,979 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:13:36" (1/1) ... [2019-12-07 17:13:36,984 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:13:36" (1/1) ... [2019-12-07 17:13:36,987 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:13:36" (1/1) ... [2019-12-07 17:13:36,988 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:13:36" (1/1) ... [2019-12-07 17:13:36,990 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 17:13:36,990 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 17:13:36,990 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 17:13:36,991 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 17:13:36,991 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:13:36" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_02e9cc2a-55a1-488a-8f41-ffbd53981801/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 [2019-12-07 17:13:37,030 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-12-07 17:13:37,031 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-07 17:13:37,031 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-12-07 17:13:37,031 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 17:13:37,031 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 17:13:37,031 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-12-07 17:13:37,031 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 17:13:37,031 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-07 17:13:37,201 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 17:13:37,201 INFO L287 CfgBuilder]: Removed 14 assume(true) statements. [2019-12-07 17:13:37,202 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 05:13:37 BoogieIcfgContainer [2019-12-07 17:13:37,202 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 17:13:37,202 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 17:13:37,203 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 17:13:37,205 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 17:13:37,205 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 05:13:36" (1/3) ... [2019-12-07 17:13:37,206 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@dd50c71 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 05:13:37, skipping insertion in model container [2019-12-07 17:13:37,206 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:13:36" (2/3) ... [2019-12-07 17:13:37,206 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@dd50c71 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 05:13:37, skipping insertion in model container [2019-12-07 17:13:37,206 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 05:13:37" (3/3) ... [2019-12-07 17:13:37,208 INFO L109 eAbstractionObserver]: Analyzing ICFG float_req_bl_1052a.c [2019-12-07 17:13:37,214 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 17:13:37,218 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-07 17:13:37,225 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-12-07 17:13:37,241 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 17:13:37,241 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 17:13:37,241 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 17:13:37,241 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 17:13:37,241 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 17:13:37,241 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 17:13:37,241 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 17:13:37,241 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 17:13:37,252 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states. [2019-12-07 17:13:37,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-12-07 17:13:37,256 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 17:13:37,257 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 17:13:37,257 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 17:13:37,260 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:13:37,261 INFO L82 PathProgramCache]: Analyzing trace with hash -2064187560, now seen corresponding path program 1 times [2019-12-07 17:13:37,266 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:13:37,266 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1150930457] [2019-12-07 17:13:37,266 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:13:37,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:13:37,339 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 17:13:37,339 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1150930457] [2019-12-07 17:13:37,340 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 17:13:37,340 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-07 17:13:37,340 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1009884647] [2019-12-07 17:13:37,343 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 17:13:37,343 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 17:13:37,352 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 17:13:37,352 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 17:13:37,353 INFO L87 Difference]: Start difference. First operand 29 states. Second operand 2 states. [2019-12-07 17:13:37,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 17:13:37,366 INFO L93 Difference]: Finished difference Result 56 states and 86 transitions. [2019-12-07 17:13:37,366 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 17:13:37,366 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 12 [2019-12-07 17:13:37,367 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 17:13:37,373 INFO L225 Difference]: With dead ends: 56 [2019-12-07 17:13:37,373 INFO L226 Difference]: Without dead ends: 26 [2019-12-07 17:13:37,375 INFO L630 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 [2019-12-07 17:13:37,386 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2019-12-07 17:13:37,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26. [2019-12-07 17:13:37,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2019-12-07 17:13:37,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 34 transitions. [2019-12-07 17:13:37,402 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 34 transitions. Word has length 12 [2019-12-07 17:13:37,402 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 17:13:37,402 INFO L462 AbstractCegarLoop]: Abstraction has 26 states and 34 transitions. [2019-12-07 17:13:37,402 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 17:13:37,402 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 34 transitions. [2019-12-07 17:13:37,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-12-07 17:13:37,403 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 17:13:37,403 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 17:13:37,403 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 17:13:37,403 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:13:37,403 INFO L82 PathProgramCache]: Analyzing trace with hash -1026834198, now seen corresponding path program 1 times [2019-12-07 17:13:37,403 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:13:37,403 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [237970852] [2019-12-07 17:13:37,404 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:13:37,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:13:37,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:13:37,504 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 17:13:37,505 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-12-07 17:13:37,525 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 05:13:37 BoogieIcfgContainer [2019-12-07 17:13:37,525 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 17:13:37,525 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 17:13:37,525 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 17:13:37,525 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 17:13:37,526 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 05:13:37" (3/4) ... [2019-12-07 17:13:37,528 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-12-07 17:13:37,528 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 17:13:37,530 INFO L168 Benchmark]: Toolchain (without parser) took 792.90 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 97.0 MB). Free memory was 948.9 MB in the beginning and 1.0 GB in the end (delta: -87.3 MB). Peak memory consumption was 9.7 MB. Max. memory is 11.5 GB. [2019-12-07 17:13:37,530 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 963.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 17:13:37,531 INFO L168 Benchmark]: CACSL2BoogieTranslator took 205.42 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 97.0 MB). Free memory was 948.9 MB in the beginning and 1.1 GB in the end (delta: -141.9 MB). Peak memory consumption was 23.0 MB. Max. memory is 11.5 GB. [2019-12-07 17:13:37,531 INFO L168 Benchmark]: Boogie Procedure Inliner took 27.25 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 17:13:37,532 INFO L168 Benchmark]: Boogie Preprocessor took 20.11 ms. Allocated memory is still 1.1 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. [2019-12-07 17:13:37,532 INFO L168 Benchmark]: RCFGBuilder took 211.39 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 22.4 MB). Peak memory consumption was 22.4 MB. Max. memory is 11.5 GB. [2019-12-07 17:13:37,532 INFO L168 Benchmark]: TraceAbstraction took 322.60 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 26.8 MB). Peak memory consumption was 26.8 MB. Max. memory is 11.5 GB. [2019-12-07 17:13:37,533 INFO L168 Benchmark]: Witness Printer took 3.21 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 17:13:37,535 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 963.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 205.42 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 97.0 MB). Free memory was 948.9 MB in the beginning and 1.1 GB in the end (delta: -141.9 MB). Peak memory consumption was 23.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 27.25 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 20.11 ms. Allocated memory is still 1.1 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 211.39 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 22.4 MB). Peak memory consumption was 22.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 322.60 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 26.8 MB). Peak memory consumption was 26.8 MB. Max. memory is 11.5 GB. * Witness Printer took 3.21 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 80]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryArithmeticFLOAToperation at line 75, overapproximation of bitwiseAnd at line 64. Possible FailurePath: [L11] static const float huge_floor = 1.0e30; VAL [huge_floor=1000000000000000000000000000000] [L75] float x = 1.0f / 0.0f; [L14] __int32_t i0, j0; [L15] __uint32_t i, ix; VAL [huge_floor=1000000000000000000000000000000] [L17] ieee_float_shape_type gf_u; [L18] gf_u.value = (x) [L19] EXPR gf_u.word [L19] (i0) = gf_u.word [L21] ix = (i0 & 0x7fffffff) [L22] j0 = (ix >> 23) - 0x7f VAL [huge_floor=1000000000000000000000000000000] [L23] COND FALSE !(j0 < 23) VAL [huge_floor=1000000000000000000000000000000] [L43] COND FALSE !(!((ix) < 0x7f800000L)) [L46] return x; VAL [huge_floor=1000000000000000000000000000000] [L76] float res = floor_float(x); [L58] __int32_t ix; VAL [huge_floor=1000000000000000000000000000000] [L60] ieee_float_shape_type gf_u; [L61] gf_u.value = (x) [L62] EXPR gf_u.word [L62] (ix) = gf_u.word [L64] ix &= 0x7fffffff [L65] return ((ix) == 0x7f800000L); VAL [huge_floor=1000000000000000000000000000000] [L79] COND TRUE !isinf_float(res) [L80] __VERIFIER_error() VAL [huge_floor=1000000000000000000000000000000] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 29 locations, 1 error locations. Result: UNSAFE, OverallTime: 0.2s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 37 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=29occurred 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, 26 NumberOfCodeBlocks, 26 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 11 ConstructedInterpolants, 0 QuantifiedInterpolants, 121 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 0.1.25-f470102 [2019-12-07 17:13:38,948 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 17:13:38,950 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 17:13:38,958 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 17:13:38,958 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 17:13:38,959 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 17:13:38,960 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 17:13:38,961 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 17:13:38,962 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 17:13:38,963 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 17:13:38,963 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 17:13:38,964 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 17:13:38,964 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 17:13:38,965 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 17:13:38,966 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 17:13:38,966 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 17:13:38,967 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 17:13:38,968 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 17:13:38,969 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 17:13:38,971 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 17:13:38,972 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 17:13:38,973 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 17:13:38,974 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 17:13:38,974 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 17:13:38,976 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 17:13:38,976 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 17:13:38,976 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 17:13:38,977 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 17:13:38,977 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 17:13:38,978 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 17:13:38,978 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 17:13:38,978 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 17:13:38,979 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 17:13:38,979 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 17:13:38,980 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 17:13:38,980 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 17:13:38,981 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 17:13:38,981 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 17:13:38,981 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 17:13:38,982 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 17:13:38,982 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 17:13:38,982 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_02e9cc2a-55a1-488a-8f41-ffbd53981801/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-12-07 17:13:38,993 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 17:13:38,993 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 17:13:38,994 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 17:13:38,994 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 17:13:38,994 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 17:13:38,994 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 17:13:38,994 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 17:13:38,994 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 17:13:38,994 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 17:13:38,995 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 17:13:38,995 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 17:13:38,995 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 17:13:38,995 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-12-07 17:13:38,995 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-12-07 17:13:38,995 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 17:13:38,995 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 17:13:38,995 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 17:13:38,996 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 17:13:38,996 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 17:13:38,996 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 17:13:38,996 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 17:13:38,996 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 17:13:38,996 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 17:13:38,996 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 17:13:38,997 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 17:13:38,997 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 17:13:38,997 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-12-07 17:13:38,997 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-12-07 17:13:38,997 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 17:13:38,997 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 17:13:38,997 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 17:13:38,997 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_02e9cc2a-55a1-488a-8f41-ffbd53981801/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 -> 269c6e32b98d41be14ec8894bc32516e2df9c183 [2019-12-07 17:13:39,177 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 17:13:39,188 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 17:13:39,191 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 17:13:39,192 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 17:13:39,192 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 17:13:39,193 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_02e9cc2a-55a1-488a-8f41-ffbd53981801/bin/uautomizer/../../sv-benchmarks/c/float-newlib/float_req_bl_1052a.c [2019-12-07 17:13:39,241 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_02e9cc2a-55a1-488a-8f41-ffbd53981801/bin/uautomizer/data/85d137b93/144e5a9c5ca544e5b8cc04acdca93be2/FLAG369e1fe14 [2019-12-07 17:13:39,635 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 17:13:39,635 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_02e9cc2a-55a1-488a-8f41-ffbd53981801/sv-benchmarks/c/float-newlib/float_req_bl_1052a.c [2019-12-07 17:13:39,640 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_02e9cc2a-55a1-488a-8f41-ffbd53981801/bin/uautomizer/data/85d137b93/144e5a9c5ca544e5b8cc04acdca93be2/FLAG369e1fe14 [2019-12-07 17:13:40,025 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_02e9cc2a-55a1-488a-8f41-ffbd53981801/bin/uautomizer/data/85d137b93/144e5a9c5ca544e5b8cc04acdca93be2 [2019-12-07 17:13:40,031 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 17:13:40,033 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 17:13:40,034 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 17:13:40,035 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 17:13:40,039 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 17:13:40,039 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 05:13:40" (1/1) ... [2019-12-07 17:13:40,042 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@667a6a91 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:13:40, skipping insertion in model container [2019-12-07 17:13:40,042 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 05:13:40" (1/1) ... [2019-12-07 17:13:40,049 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 17:13:40,062 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 17:13:40,172 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 17:13:40,176 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 17:13:40,196 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 17:13:40,212 INFO L208 MainTranslator]: Completed translation [2019-12-07 17:13:40,212 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:13:40 WrapperNode [2019-12-07 17:13:40,212 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 17:13:40,213 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 17:13:40,213 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 17:13:40,213 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 17:13:40,247 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:13:40" (1/1) ... [2019-12-07 17:13:40,255 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:13:40" (1/1) ... [2019-12-07 17:13:40,271 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 17:13:40,272 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 17:13:40,272 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 17:13:40,272 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 17:13:40,278 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:13:40" (1/1) ... [2019-12-07 17:13:40,278 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:13:40" (1/1) ... [2019-12-07 17:13:40,281 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:13:40" (1/1) ... [2019-12-07 17:13:40,281 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:13:40" (1/1) ... [2019-12-07 17:13:40,288 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:13:40" (1/1) ... [2019-12-07 17:13:40,292 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:13:40" (1/1) ... [2019-12-07 17:13:40,293 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:13:40" (1/1) ... [2019-12-07 17:13:40,296 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 17:13:40,296 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 17:13:40,296 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 17:13:40,296 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 17:13:40,297 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:13:40" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_02e9cc2a-55a1-488a-8f41-ffbd53981801/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 [2019-12-07 17:13:40,336 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 17:13:40,336 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2019-12-07 17:13:40,336 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-12-07 17:13:40,336 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 17:13:40,336 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 17:13:40,337 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2019-12-07 17:13:40,337 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-12-07 17:13:40,337 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-07 17:13:40,772 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 17:13:40,773 INFO L287 CfgBuilder]: Removed 14 assume(true) statements. [2019-12-07 17:13:40,773 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 05:13:40 BoogieIcfgContainer [2019-12-07 17:13:40,773 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 17:13:40,774 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 17:13:40,774 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 17:13:40,776 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 17:13:40,776 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 05:13:40" (1/3) ... [2019-12-07 17:13:40,776 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b19d832 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 05:13:40, skipping insertion in model container [2019-12-07 17:13:40,776 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:13:40" (2/3) ... [2019-12-07 17:13:40,777 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b19d832 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 05:13:40, skipping insertion in model container [2019-12-07 17:13:40,777 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 05:13:40" (3/3) ... [2019-12-07 17:13:40,778 INFO L109 eAbstractionObserver]: Analyzing ICFG float_req_bl_1052a.c [2019-12-07 17:13:40,784 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 17:13:40,788 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-07 17:13:40,795 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-12-07 17:13:40,810 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 17:13:40,810 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 17:13:40,810 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 17:13:40,810 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 17:13:40,810 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 17:13:40,810 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 17:13:40,810 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 17:13:40,810 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 17:13:40,819 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states. [2019-12-07 17:13:40,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-12-07 17:13:40,824 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 17:13:40,824 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 17:13:40,824 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 17:13:40,828 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:13:40,828 INFO L82 PathProgramCache]: Analyzing trace with hash -2064187560, now seen corresponding path program 1 times [2019-12-07 17:13:40,835 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-12-07 17:13:40,836 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2059635986] [2019-12-07 17:13:40,836 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_02e9cc2a-55a1-488a-8f41-ffbd53981801/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 [2019-12-07 17:13:40,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:13:40,918 INFO L264 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 1 conjunts are in the unsatisfiable core [2019-12-07 17:13:40,921 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 17:13:40,931 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 17:13:40,931 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 17:13:40,934 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 17:13:40,934 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2059635986] [2019-12-07 17:13:40,935 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 17:13:40,935 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-12-07 17:13:40,936 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2144006479] [2019-12-07 17:13:40,938 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 17:13:40,938 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-12-07 17:13:40,947 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 17:13:40,947 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 17:13:40,948 INFO L87 Difference]: Start difference. First operand 29 states. Second operand 2 states. [2019-12-07 17:13:40,960 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 17:13:40,960 INFO L93 Difference]: Finished difference Result 56 states and 86 transitions. [2019-12-07 17:13:40,961 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 17:13:40,961 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 12 [2019-12-07 17:13:40,962 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 17:13:40,968 INFO L225 Difference]: With dead ends: 56 [2019-12-07 17:13:40,968 INFO L226 Difference]: Without dead ends: 26 [2019-12-07 17:13:40,971 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 17:13:40,986 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2019-12-07 17:13:40,998 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26. [2019-12-07 17:13:40,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2019-12-07 17:13:41,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 34 transitions. [2019-12-07 17:13:41,001 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 34 transitions. Word has length 12 [2019-12-07 17:13:41,002 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 17:13:41,002 INFO L462 AbstractCegarLoop]: Abstraction has 26 states and 34 transitions. [2019-12-07 17:13:41,002 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 17:13:41,002 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 34 transitions. [2019-12-07 17:13:41,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-12-07 17:13:41,002 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 17:13:41,002 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 17:13:41,203 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-12-07 17:13:41,204 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 17:13:41,204 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:13:41,205 INFO L82 PathProgramCache]: Analyzing trace with hash -1026834198, now seen corresponding path program 1 times [2019-12-07 17:13:41,207 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-12-07 17:13:41,207 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [333274370] [2019-12-07 17:13:41,208 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_02e9cc2a-55a1-488a-8f41-ffbd53981801/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 [2019-12-07 17:13:41,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:13:41,343 INFO L264 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 8 conjunts are in the unsatisfiable core [2019-12-07 17:13:41,346 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 17:13:41,416 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 17:13:41,417 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 17:13:41,484 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 17:13:41,484 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [333274370] [2019-12-07 17:13:41,485 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 17:13:41,485 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2019-12-07 17:13:41,485 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1678802346] [2019-12-07 17:13:41,486 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-12-07 17:13:41,486 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-12-07 17:13:41,486 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-12-07 17:13:41,486 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-12-07 17:13:41,486 INFO L87 Difference]: Start difference. First operand 26 states and 34 transitions. Second operand 8 states. [2019-12-07 17:13:41,839 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 17:13:41,839 INFO L93 Difference]: Finished difference Result 49 states and 55 transitions. [2019-12-07 17:13:41,840 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-12-07 17:13:41,840 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 14 [2019-12-07 17:13:41,840 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 17:13:41,841 INFO L225 Difference]: With dead ends: 49 [2019-12-07 17:13:41,841 INFO L226 Difference]: Without dead ends: 36 [2019-12-07 17:13:41,842 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2019-12-07 17:13:41,842 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2019-12-07 17:13:41,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 25. [2019-12-07 17:13:41,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2019-12-07 17:13:41,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 29 transitions. [2019-12-07 17:13:41,847 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 29 transitions. Word has length 14 [2019-12-07 17:13:41,847 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 17:13:41,847 INFO L462 AbstractCegarLoop]: Abstraction has 25 states and 29 transitions. [2019-12-07 17:13:41,848 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-12-07 17:13:41,848 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 29 transitions. [2019-12-07 17:13:41,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-12-07 17:13:41,848 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 17:13:41,849 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 17:13:42,049 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-12-07 17:13:42,051 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 17:13:42,051 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:13:42,052 INFO L82 PathProgramCache]: Analyzing trace with hash -217487572, now seen corresponding path program 1 times [2019-12-07 17:13:42,053 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-12-07 17:13:42,054 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [378139983] [2019-12-07 17:13:42,055 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_02e9cc2a-55a1-488a-8f41-ffbd53981801/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 [2019-12-07 17:13:42,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:13:42,192 INFO L264 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 15 conjunts are in the unsatisfiable core [2019-12-07 17:13:42,194 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 17:13:42,241 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 17:13:42,268 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 17:13:42,268 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 17:13:42,884 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 17:13:42,885 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [378139983] [2019-12-07 17:13:42,885 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 17:13:42,885 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8, 8] imperfect sequences [] total 15 [2019-12-07 17:13:42,886 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [208413855] [2019-12-07 17:13:42,886 INFO L442 AbstractCegarLoop]: Interpolant automaton has 15 states [2019-12-07 17:13:42,886 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-12-07 17:13:42,887 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2019-12-07 17:13:42,887 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=176, Unknown=0, NotChecked=0, Total=210 [2019-12-07 17:13:42,888 INFO L87 Difference]: Start difference. First operand 25 states and 29 transitions. Second operand 15 states. [2019-12-07 17:13:43,466 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 17:13:43,467 INFO L93 Difference]: Finished difference Result 33 states and 36 transitions. [2019-12-07 17:13:43,467 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-12-07 17:13:43,467 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 14 [2019-12-07 17:13:43,467 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 17:13:43,468 INFO L225 Difference]: With dead ends: 33 [2019-12-07 17:13:43,468 INFO L226 Difference]: Without dead ends: 24 [2019-12-07 17:13:43,468 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 12 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=99, Invalid=281, Unknown=0, NotChecked=0, Total=380 [2019-12-07 17:13:43,469 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2019-12-07 17:13:43,471 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 24. [2019-12-07 17:13:43,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2019-12-07 17:13:43,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 26 transitions. [2019-12-07 17:13:43,472 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 26 transitions. Word has length 14 [2019-12-07 17:13:43,472 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 17:13:43,472 INFO L462 AbstractCegarLoop]: Abstraction has 24 states and 26 transitions. [2019-12-07 17:13:43,472 INFO L463 AbstractCegarLoop]: Interpolant automaton has 15 states. [2019-12-07 17:13:43,472 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 26 transitions. [2019-12-07 17:13:43,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-12-07 17:13:43,473 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 17:13:43,473 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 17:13:43,673 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-12-07 17:13:43,674 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 17:13:43,674 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:13:43,675 INFO L82 PathProgramCache]: Analyzing trace with hash 1158240359, now seen corresponding path program 1 times [2019-12-07 17:13:43,675 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-12-07 17:13:43,676 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [478119570] [2019-12-07 17:13:43,676 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_02e9cc2a-55a1-488a-8f41-ffbd53981801/bin/uautomizer/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2019-12-07 17:13:43,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:13:43,844 INFO L264 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 9 conjunts are in the unsatisfiable core [2019-12-07 17:13:43,845 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 17:13:43,896 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 17:13:43,897 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 17:13:43,985 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 17:13:43,985 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [478119570] [2019-12-07 17:13:43,985 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 17:13:43,985 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2019-12-07 17:13:43,986 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1484293734] [2019-12-07 17:13:43,986 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-12-07 17:13:43,986 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-12-07 17:13:43,987 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-12-07 17:13:43,987 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-12-07 17:13:43,987 INFO L87 Difference]: Start difference. First operand 24 states and 26 transitions. Second operand 8 states. [2019-12-07 17:13:44,075 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 17:13:44,075 INFO L93 Difference]: Finished difference Result 24 states and 26 transitions. [2019-12-07 17:13:44,075 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-07 17:13:44,075 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 18 [2019-12-07 17:13:44,075 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 17:13:44,075 INFO L225 Difference]: With dead ends: 24 [2019-12-07 17:13:44,075 INFO L226 Difference]: Without dead ends: 0 [2019-12-07 17:13:44,076 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2019-12-07 17:13:44,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-12-07 17:13:44,076 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-12-07 17:13:44,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-12-07 17:13:44,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-12-07 17:13:44,076 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 18 [2019-12-07 17:13:44,076 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 17:13:44,076 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 17:13:44,077 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-12-07 17:13:44,077 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-12-07 17:13:44,077 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-07 17:13:44,277 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2019-12-07 17:13:44,283 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-12-07 17:13:44,464 INFO L246 CegarLoopResult]: For program point L23(lines 23 47) no Hoare annotation was computed. [2019-12-07 17:13:44,464 INFO L246 CegarLoopResult]: For program point L48(lines 48 52) no Hoare annotation was computed. [2019-12-07 17:13:44,464 INFO L246 CegarLoopResult]: For program point L48-1(lines 13 54) no Hoare annotation was computed. [2019-12-07 17:13:44,464 INFO L246 CegarLoopResult]: For program point L48-2(lines 48 52) no Hoare annotation was computed. [2019-12-07 17:13:44,464 INFO L246 CegarLoopResult]: For program point L36(lines 36 40) no Hoare annotation was computed. [2019-12-07 17:13:44,465 INFO L242 CegarLoopResult]: At program point L65(lines 57 66) the Hoare annotation is: (let ((.cse0 (let ((.cse1 (fp.div roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven 1.0) (_ +zero 8 24)))) (fp.add roundNearestTiesToEven .cse1 .cse1)))) (and (= (_ bv0 32) (bvadd |ULTIMATE.start_isinf_float_#res| (_ bv4294967295 32))) (= |ULTIMATE.start_floor_float_#res| .cse0) (exists ((ULTIMATE.start_floor_float_~i0~0 (_ BitVec 32)) (currentRoundingMode RoundingMode)) (and (= (fp ((_ extract 31 31) ULTIMATE.start_floor_float_~i0~0) ((_ extract 30 23) ULTIMATE.start_floor_float_~i0~0) ((_ extract 22 0) ULTIMATE.start_floor_float_~i0~0)) (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24))) (= (bvand (_ bv2147483647 32) ULTIMATE.start_floor_float_~i0~0) ULTIMATE.start_floor_float_~ix~0))) (= (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)) ULTIMATE.start_floor_float_~x) (= (fp ((_ extract 31 31) ULTIMATE.start_isinf_float_~ix~1) ((_ extract 30 23) ULTIMATE.start_isinf_float_~ix~1) ((_ extract 22 0) ULTIMATE.start_isinf_float_~ix~1)) .cse0) (= currentRoundingMode roundNearestTiesToEven) (= ULTIMATE.start_isinf_float_~x .cse0))) [2019-12-07 17:13:44,465 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-12-07 17:13:44,465 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-12-07 17:13:44,465 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-12-07 17:13:44,465 INFO L246 CegarLoopResult]: For program point L28(lines 28 30) no Hoare annotation was computed. [2019-12-07 17:13:44,465 INFO L246 CegarLoopResult]: For program point L24(lines 24 41) no Hoare annotation was computed. [2019-12-07 17:13:44,465 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 80) no Hoare annotation was computed. [2019-12-07 17:13:44,465 INFO L242 CegarLoopResult]: At program point L53(lines 13 54) the Hoare annotation is: (and (= |ULTIMATE.start_floor_float_#res| (let ((.cse0 (fp.div roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven 1.0) (_ +zero 8 24)))) (fp.add roundNearestTiesToEven .cse0 .cse0))) (exists ((ULTIMATE.start_floor_float_~i0~0 (_ BitVec 32)) (currentRoundingMode RoundingMode)) (and (= (fp ((_ extract 31 31) ULTIMATE.start_floor_float_~i0~0) ((_ extract 30 23) ULTIMATE.start_floor_float_~i0~0) ((_ extract 22 0) ULTIMATE.start_floor_float_~i0~0)) (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24))) (= (bvand (_ bv2147483647 32) ULTIMATE.start_floor_float_~i0~0) ULTIMATE.start_floor_float_~ix~0))) (= (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)) ULTIMATE.start_floor_float_~x) (= currentRoundingMode roundNearestTiesToEven)) [2019-12-07 17:13:44,465 INFO L246 CegarLoopResult]: For program point L16-1(lines 16 20) no Hoare annotation was computed. [2019-12-07 17:13:44,465 INFO L242 CegarLoopResult]: At program point L16-2(lines 16 20) the Hoare annotation is: (and (= (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)) ULTIMATE.start_floor_float_~x) (= currentRoundingMode roundNearestTiesToEven)) [2019-12-07 17:13:44,466 INFO L246 CegarLoopResult]: For program point L16-3(lines 16 20) no Hoare annotation was computed. [2019-12-07 17:13:44,466 INFO L246 CegarLoopResult]: For program point L37(lines 37 38) no Hoare annotation was computed. [2019-12-07 17:13:44,466 INFO L246 CegarLoopResult]: For program point L37-2(lines 37 38) no Hoare annotation was computed. [2019-12-07 17:13:44,466 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-12-07 17:13:44,466 INFO L246 CegarLoopResult]: For program point L25(lines 25 31) no Hoare annotation was computed. [2019-12-07 17:13:44,466 INFO L246 CegarLoopResult]: For program point L79(lines 79 82) no Hoare annotation was computed. [2019-12-07 17:13:44,466 INFO L246 CegarLoopResult]: For program point L34(lines 34 35) no Hoare annotation was computed. [2019-12-07 17:13:44,466 INFO L246 CegarLoopResult]: For program point L26(lines 26 30) no Hoare annotation was computed. [2019-12-07 17:13:44,466 INFO L246 CegarLoopResult]: For program point L59-1(lines 59 63) no Hoare annotation was computed. [2019-12-07 17:13:44,466 INFO L242 CegarLoopResult]: At program point L59-2(lines 59 63) the Hoare annotation is: (let ((.cse0 (let ((.cse1 (fp.div roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven 1.0) (_ +zero 8 24)))) (fp.add roundNearestTiesToEven .cse1 .cse1)))) (and (= |ULTIMATE.start_floor_float_#res| .cse0) (exists ((ULTIMATE.start_floor_float_~i0~0 (_ BitVec 32)) (currentRoundingMode RoundingMode)) (and (= (fp ((_ extract 31 31) ULTIMATE.start_floor_float_~i0~0) ((_ extract 30 23) ULTIMATE.start_floor_float_~i0~0) ((_ extract 22 0) ULTIMATE.start_floor_float_~i0~0)) (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24))) (= (bvand (_ bv2147483647 32) ULTIMATE.start_floor_float_~i0~0) ULTIMATE.start_floor_float_~ix~0))) (= (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)) ULTIMATE.start_floor_float_~x) (= currentRoundingMode roundNearestTiesToEven) (= ULTIMATE.start_isinf_float_~x .cse0))) [2019-12-07 17:13:44,466 INFO L246 CegarLoopResult]: For program point L59-3(lines 59 63) no Hoare annotation was computed. [2019-12-07 17:13:44,467 INFO L249 CegarLoopResult]: At program point L84(lines 68 85) the Hoare annotation is: true [2019-12-07 17:13:44,467 INFO L246 CegarLoopResult]: For program point L80(line 80) no Hoare annotation was computed. [2019-12-07 17:13:44,467 INFO L246 CegarLoopResult]: For program point L43(lines 43 46) no Hoare annotation was computed. [2019-12-07 17:13:44,473 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 17:13:44,474 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 17:13:44,474 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 17:13:44,474 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 17:13:44,474 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 17:13:44,475 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2019-12-07 17:13:44,475 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2019-12-07 17:13:44,475 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2019-12-07 17:13:44,475 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 17:13:44,475 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 17:13:44,475 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2019-12-07 17:13:44,476 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 17:13:44,477 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 17:13:44,477 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 17:13:44,477 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 17:13:44,480 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 17:13:44,480 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 17:13:44,480 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 17:13:44,480 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 17:13:44,480 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 17:13:44,480 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2019-12-07 17:13:44,481 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2019-12-07 17:13:44,481 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2019-12-07 17:13:44,481 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 17:13:44,481 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 17:13:44,481 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2019-12-07 17:13:44,481 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 17:13:44,481 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 17:13:44,482 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 17:13:44,482 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 17:13:44,483 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 17:13:44,483 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 17:13:44,483 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 17:13:44,483 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 17:13:44,483 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 17:13:44,484 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2019-12-07 17:13:44,484 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2019-12-07 17:13:44,484 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2019-12-07 17:13:44,484 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 17:13:44,484 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 17:13:44,484 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2019-12-07 17:13:44,485 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 17:13:44,485 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 17:13:44,485 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 17:13:44,485 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 17:13:44,485 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 17:13:44,485 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 17:13:44,485 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 17:13:44,485 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 17:13:44,486 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 17:13:44,486 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 17:13:44,486 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 17:13:44,486 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 17:13:44,486 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 17:13:44,487 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 17:13:44,487 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 17:13:44,487 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 17:13:44,487 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 17:13:44,488 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 17:13:44,488 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 17:13:44,488 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2019-12-07 17:13:44,488 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2019-12-07 17:13:44,488 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2019-12-07 17:13:44,488 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 17:13:44,488 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 17:13:44,489 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2019-12-07 17:13:44,489 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 17:13:44,489 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 17:13:44,489 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 17:13:44,489 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 17:13:44,489 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 17:13:44,490 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 17:13:44,490 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 17:13:44,490 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 17:13:44,490 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 17:13:44,490 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 17:13:44,490 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 17:13:44,491 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 17:13:44,491 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 17:13:44,491 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 17:13:44,491 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 17:13:44,492 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 17:13:44,492 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 17:13:44,492 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 17:13:44,492 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 17:13:44,492 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 17:13:44,492 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 17:13:44,493 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 17:13:44,493 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 17:13:44,493 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 17:13:44,493 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 17:13:44,493 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 17:13:44,493 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 17:13:44,494 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2019-12-07 17:13:44,494 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2019-12-07 17:13:44,494 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2019-12-07 17:13:44,494 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 17:13:44,494 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 17:13:44,494 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2019-12-07 17:13:44,494 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 17:13:44,495 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 17:13:44,495 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 17:13:44,495 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 17:13:44,495 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 17:13:44,495 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 17:13:44,495 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 17:13:44,495 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 17:13:44,496 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 17:13:44,496 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 17:13:44,496 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 17:13:44,496 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 17:13:44,496 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 17:13:44,497 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 17:13:44,497 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2019-12-07 17:13:44,497 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2019-12-07 17:13:44,497 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2019-12-07 17:13:44,497 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 17:13:44,497 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 17:13:44,498 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2019-12-07 17:13:44,498 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 17:13:44,498 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 17:13:44,498 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 17:13:44,498 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 17:13:44,498 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 17:13:44,498 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 17:13:44,499 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 17:13:44,499 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 17:13:44,499 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 17:13:44,501 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 05:13:44 BoogieIcfgContainer [2019-12-07 17:13:44,501 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 17:13:44,501 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 17:13:44,501 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 17:13:44,501 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 17:13:44,502 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 05:13:40" (3/4) ... [2019-12-07 17:13:44,504 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-07 17:13:44,512 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2019-12-07 17:13:44,513 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2019-12-07 17:13:44,513 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-07 17:13:44,531 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\result == ~fp.add~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE())) && (\exists ULTIMATE.start_floor_float_~i0~0 : bv32, currentRoundingMode : FloatRoundingMode :: ~fp~LONGDOUBLE(ULTIMATE.start_floor_float_~i0~0[31:31], ULTIMATE.start_floor_float_~i0~0[30:23], ULTIMATE.start_floor_float_~i0~0[22:0]) == ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE()) && ~bvand32(2147483647bv32, ULTIMATE.start_floor_float_~i0~0) == ix)) && ~fp.div~FLOAT(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0), ~Pluszero~LONGDOUBLE()) == x) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven [2019-12-07 17:13:44,532 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\result == ~fp.add~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE())) && (\exists ULTIMATE.start_floor_float_~i0~0 : bv32, currentRoundingMode : FloatRoundingMode :: ~fp~LONGDOUBLE(ULTIMATE.start_floor_float_~i0~0[31:31], ULTIMATE.start_floor_float_~i0~0[30:23], ULTIMATE.start_floor_float_~i0~0[22:0]) == ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE()) && ~bvand32(2147483647bv32, ULTIMATE.start_floor_float_~i0~0) == ix)) && ~fp.div~FLOAT(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0), ~Pluszero~LONGDOUBLE()) == x) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && x == ~fp.add~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE())) [2019-12-07 17:13:44,532 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((0bv32 == ~bvadd64(\result, 4294967295bv32) && \result == ~fp.add~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()))) && (\exists ULTIMATE.start_floor_float_~i0~0 : bv32, currentRoundingMode : FloatRoundingMode :: ~fp~LONGDOUBLE(ULTIMATE.start_floor_float_~i0~0[31:31], ULTIMATE.start_floor_float_~i0~0[30:23], ULTIMATE.start_floor_float_~i0~0[22:0]) == ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE()) && ~bvand32(2147483647bv32, ULTIMATE.start_floor_float_~i0~0) == ix)) && ~fp.div~FLOAT(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0), ~Pluszero~LONGDOUBLE()) == x) && ~fp~LONGDOUBLE(ix[31:31], ix[30:23], ix[22:0]) == ~fp.add~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()))) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && x == ~fp.add~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE())) [2019-12-07 17:13:44,550 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_02e9cc2a-55a1-488a-8f41-ffbd53981801/bin/uautomizer/witness.graphml [2019-12-07 17:13:44,550 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 17:13:44,551 INFO L168 Benchmark]: Toolchain (without parser) took 4518.76 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 123.7 MB). Free memory was 951.0 MB in the beginning and 899.9 MB in the end (delta: 51.1 MB). Peak memory consumption was 174.9 MB. Max. memory is 11.5 GB. [2019-12-07 17:13:44,551 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 17:13:44,552 INFO L168 Benchmark]: CACSL2BoogieTranslator took 178.22 ms. Allocated memory is still 1.0 GB. Free memory was 951.0 MB in the beginning and 934.9 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2019-12-07 17:13:44,552 INFO L168 Benchmark]: Boogie Procedure Inliner took 58.58 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 123.7 MB). Free memory was 934.9 MB in the beginning and 1.1 GB in the end (delta: -176.9 MB). Peak memory consumption was 9.8 MB. Max. memory is 11.5 GB. [2019-12-07 17:13:44,552 INFO L168 Benchmark]: Boogie Preprocessor took 24.41 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. [2019-12-07 17:13:44,553 INFO L168 Benchmark]: RCFGBuilder took 477.34 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: 26.0 MB). Peak memory consumption was 26.0 MB. Max. memory is 11.5 GB. [2019-12-07 17:13:44,553 INFO L168 Benchmark]: TraceAbstraction took 3726.89 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 899.9 MB in the end (delta: 186.0 MB). Peak memory consumption was 186.0 MB. Max. memory is 11.5 GB. [2019-12-07 17:13:44,553 INFO L168 Benchmark]: Witness Printer took 48.67 ms. Allocated memory is still 1.2 GB. Free memory is still 899.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 17:13:44,554 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 178.22 ms. Allocated memory is still 1.0 GB. Free memory was 951.0 MB in the beginning and 934.9 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 58.58 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 123.7 MB). Free memory was 934.9 MB in the beginning and 1.1 GB in the end (delta: -176.9 MB). Peak memory consumption was 9.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 24.41 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 477.34 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: 26.0 MB). Peak memory consumption was 26.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 3726.89 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 899.9 MB in the end (delta: 186.0 MB). Peak memory consumption was 186.0 MB. Max. memory is 11.5 GB. * Witness Printer took 48.67 ms. Allocated memory is still 1.2 GB. Free memory is still 899.9 MB. There was no memory consumed. 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 Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation 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_floor_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation 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_floor_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,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 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 80]: 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: 13]: Loop Invariant [2019-12-07 17:13:44,561 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 17:13:44,561 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 17:13:44,562 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 17:13:44,562 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 17:13:44,562 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 17:13:44,562 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2019-12-07 17:13:44,562 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2019-12-07 17:13:44,563 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2019-12-07 17:13:44,563 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 17:13:44,563 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 17:13:44,563 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2019-12-07 17:13:44,563 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 17:13:44,563 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 17:13:44,564 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 17:13:44,564 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 17:13:44,564 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 17:13:44,564 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 17:13:44,564 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 17:13:44,565 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 17:13:44,565 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 17:13:44,565 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2019-12-07 17:13:44,565 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2019-12-07 17:13:44,565 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2019-12-07 17:13:44,565 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 17:13:44,565 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 17:13:44,566 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2019-12-07 17:13:44,566 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 17:13:44,566 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 17:13:44,566 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 17:13:44,566 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: ((\result == ~fp.add~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE())) && (\exists ULTIMATE.start_floor_float_~i0~0 : bv32, currentRoundingMode : FloatRoundingMode :: ~fp~LONGDOUBLE(ULTIMATE.start_floor_float_~i0~0[31:31], ULTIMATE.start_floor_float_~i0~0[30:23], ULTIMATE.start_floor_float_~i0~0[22:0]) == ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE()) && ~bvand32(2147483647bv32, ULTIMATE.start_floor_float_~i0~0) == ix)) && ~fp.div~FLOAT(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0), ~Pluszero~LONGDOUBLE()) == x) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven - InvariantResult [Line: 57]: Loop Invariant [2019-12-07 17:13:44,566 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 17:13:44,567 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 17:13:44,567 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 17:13:44,567 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 17:13:44,567 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 17:13:44,567 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2019-12-07 17:13:44,567 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2019-12-07 17:13:44,567 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2019-12-07 17:13:44,568 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 17:13:44,568 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 17:13:44,568 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2019-12-07 17:13:44,568 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 17:13:44,568 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 17:13:44,568 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 17:13:44,568 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 17:13:44,569 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 17:13:44,569 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 17:13:44,569 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 17:13:44,569 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 17:13:44,569 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 17:13:44,569 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 17:13:44,569 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 17:13:44,569 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 17:13:44,570 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 17:13:44,570 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 17:13:44,570 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 17:13:44,570 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 17:13:44,571 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 17:13:44,571 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 17:13:44,571 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 17:13:44,571 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2019-12-07 17:13:44,571 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2019-12-07 17:13:44,571 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2019-12-07 17:13:44,571 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 17:13:44,571 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 17:13:44,572 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2019-12-07 17:13:44,572 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 17:13:44,572 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 17:13:44,572 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 17:13:44,572 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 17:13:44,572 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 17:13:44,572 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 17:13:44,573 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 17:13:44,573 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 17:13:44,573 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 17:13:44,573 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 17:13:44,573 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 17:13:44,573 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 17:13:44,573 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 17:13:44,573 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: (((((0bv32 == ~bvadd64(\result, 4294967295bv32) && \result == ~fp.add~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()))) && (\exists ULTIMATE.start_floor_float_~i0~0 : bv32, currentRoundingMode : FloatRoundingMode :: ~fp~LONGDOUBLE(ULTIMATE.start_floor_float_~i0~0[31:31], ULTIMATE.start_floor_float_~i0~0[30:23], ULTIMATE.start_floor_float_~i0~0[22:0]) == ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE()) && ~bvand32(2147483647bv32, ULTIMATE.start_floor_float_~i0~0) == ix)) && ~fp.div~FLOAT(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0), ~Pluszero~LONGDOUBLE()) == x) && ~fp~LONGDOUBLE(ix[31:31], ix[30:23], ix[22:0]) == ~fp.add~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()))) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && x == ~fp.add~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE())) - InvariantResult [Line: 16]: Loop Invariant [2019-12-07 17:13:44,574 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 17:13:44,574 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 17:13:44,574 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 17:13:44,574 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 17:13:44,575 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 17:13:44,575 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 17:13:44,575 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 17:13:44,575 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: ~fp.div~FLOAT(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0), ~Pluszero~LONGDOUBLE()) == x && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven - InvariantResult [Line: 59]: Loop Invariant [2019-12-07 17:13:44,575 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 17:13:44,575 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 17:13:44,575 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 17:13:44,576 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 17:13:44,576 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 17:13:44,576 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2019-12-07 17:13:44,576 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2019-12-07 17:13:44,576 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2019-12-07 17:13:44,576 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 17:13:44,576 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 17:13:44,577 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2019-12-07 17:13:44,577 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 17:13:44,577 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 17:13:44,577 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 17:13:44,577 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 17:13:44,577 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 17:13:44,577 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 17:13:44,577 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 17:13:44,578 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 17:13:44,578 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 17:13:44,578 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 17:13:44,578 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 17:13:44,578 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 17:13:44,578 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 17:13:44,579 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 17:13:44,579 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2019-12-07 17:13:44,579 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2019-12-07 17:13:44,579 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2019-12-07 17:13:44,579 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 17:13:44,579 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-12-07 17:13:44,579 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_floor_float_~i0~0,QUANTIFIED] [2019-12-07 17:13:44,580 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 17:13:44,580 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 17:13:44,580 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 17:13:44,580 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 17:13:44,580 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 17:13:44,580 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 17:13:44,580 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 17:13:44,580 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 17:13:44,581 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: (((\result == ~fp.add~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE())) && (\exists ULTIMATE.start_floor_float_~i0~0 : bv32, currentRoundingMode : FloatRoundingMode :: ~fp~LONGDOUBLE(ULTIMATE.start_floor_float_~i0~0[31:31], ULTIMATE.start_floor_float_~i0~0[30:23], ULTIMATE.start_floor_float_~i0~0[22:0]) == ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE()) && ~bvand32(2147483647bv32, ULTIMATE.start_floor_float_~i0~0) == ix)) && ~fp.div~FLOAT(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0), ~Pluszero~LONGDOUBLE()) == x) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && x == ~fp.add~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0), ~Pluszero~LONGDOUBLE())) - InvariantResult [Line: 68]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 29 locations, 1 error locations. Result: SAFE, OverallTime: 3.4s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 1.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, HoareTripleCheckerStatistics: 72 SDtfs, 151 SDslu, 195 SDs, 0 SdLazy, 140 SolverSat, 20 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 118 GetRequests, 82 SyntacticMatches, 1 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 1.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=29occurred 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, 4 MinimizatonAttempts, 11 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 5 LocationsWithAnnotation, 5 PreInvPairs, 10 NumberOfFragments, 219 HoareAnnotationTreeSize, 5 FomulaSimplifications, 141 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 5 FomulaSimplificationsInter, 9 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 58 NumberOfCodeBlocks, 58 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 108 ConstructedInterpolants, 18 QuantifiedInterpolants, 8287 SizeOfPredicates, 28 NumberOfNonLiveVariables, 173 ConjunctsInSsa, 33 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 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...