./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_0970b.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 678e0110 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_54e13cc4-5f5e-4bf9-b571-51a5ad1b5d33/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_54e13cc4-5f5e-4bf9-b571-51a5ad1b5d33/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_54e13cc4-5f5e-4bf9-b571-51a5ad1b5d33/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_54e13cc4-5f5e-4bf9-b571-51a5ad1b5d33/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0970b.c -s /tmp/vcloud-vcloud-master/worker/run_dir_54e13cc4-5f5e-4bf9-b571-51a5ad1b5d33/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_54e13cc4-5f5e-4bf9-b571-51a5ad1b5d33/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 c2b759759a3d71804d881b2ee189e6dc13f7a855 ...................................................................................................................................................................................................................................................................................................... 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_54e13cc4-5f5e-4bf9-b571-51a5ad1b5d33/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_54e13cc4-5f5e-4bf9-b571-51a5ad1b5d33/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_54e13cc4-5f5e-4bf9-b571-51a5ad1b5d33/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_54e13cc4-5f5e-4bf9-b571-51a5ad1b5d33/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0970b.c -s /tmp/vcloud-vcloud-master/worker/run_dir_54e13cc4-5f5e-4bf9-b571-51a5ad1b5d33/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_54e13cc4-5f5e-4bf9-b571-51a5ad1b5d33/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 c2b759759a3d71804d881b2ee189e6dc13f7a855 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-20 05:33:11,149 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 05:33:11,151 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 05:33:11,163 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 05:33:11,164 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 05:33:11,165 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 05:33:11,166 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 05:33:11,169 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 05:33:11,171 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 05:33:11,172 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 05:33:11,173 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 05:33:11,175 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 05:33:11,175 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 05:33:11,176 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 05:33:11,177 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 05:33:11,179 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 05:33:11,180 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 05:33:11,181 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 05:33:11,183 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 05:33:11,185 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 05:33:11,187 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 05:33:11,188 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 05:33:11,189 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 05:33:11,190 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 05:33:11,193 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 05:33:11,193 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 05:33:11,193 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 05:33:11,194 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 05:33:11,195 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 05:33:11,196 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 05:33:11,196 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 05:33:11,197 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 05:33:11,198 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 05:33:11,198 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 05:33:11,200 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 05:33:11,200 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 05:33:11,201 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 05:33:11,201 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 05:33:11,201 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 05:33:11,202 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 05:33:11,203 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 05:33:11,204 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_54e13cc4-5f5e-4bf9-b571-51a5ad1b5d33/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-20 05:33:11,219 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 05:33:11,219 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 05:33:11,220 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 05:33:11,220 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 05:33:11,221 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 05:33:11,221 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 05:33:11,221 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 05:33:11,221 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 05:33:11,222 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 05:33:11,222 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 05:33:11,222 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 05:33:11,222 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 05:33:11,223 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 05:33:11,223 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 05:33:11,223 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 05:33:11,224 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 05:33:11,224 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 05:33:11,224 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 05:33:11,224 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 05:33:11,225 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 05:33:11,225 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-20 05:33:11,225 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-20 05:33:11,225 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 05:33:11,226 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 05:33:11,226 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 05:33:11,226 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-20 05:33:11,226 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-20 05:33:11,227 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 05:33:11,227 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_54e13cc4-5f5e-4bf9-b571-51a5ad1b5d33/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 -> c2b759759a3d71804d881b2ee189e6dc13f7a855 [2019-11-20 05:33:11,388 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 05:33:11,400 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 05:33:11,403 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 05:33:11,405 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 05:33:11,405 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 05:33:11,406 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_54e13cc4-5f5e-4bf9-b571-51a5ad1b5d33/bin/uautomizer/../../sv-benchmarks/c/float-newlib/double_req_bl_0970b.c [2019-11-20 05:33:11,477 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_54e13cc4-5f5e-4bf9-b571-51a5ad1b5d33/bin/uautomizer/data/a737e116a/cb88f1ff3615435992bf07f9041ca3f7/FLAGf3c516a60 [2019-11-20 05:33:11,900 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 05:33:11,901 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_54e13cc4-5f5e-4bf9-b571-51a5ad1b5d33/sv-benchmarks/c/float-newlib/double_req_bl_0970b.c [2019-11-20 05:33:11,912 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_54e13cc4-5f5e-4bf9-b571-51a5ad1b5d33/bin/uautomizer/data/a737e116a/cb88f1ff3615435992bf07f9041ca3f7/FLAGf3c516a60 [2019-11-20 05:33:12,210 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_54e13cc4-5f5e-4bf9-b571-51a5ad1b5d33/bin/uautomizer/data/a737e116a/cb88f1ff3615435992bf07f9041ca3f7 [2019-11-20 05:33:12,214 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 05:33:12,215 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 05:33:12,216 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 05:33:12,217 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 05:33:12,222 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 05:33:12,223 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:33:12" (1/1) ... [2019-11-20 05:33:12,226 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49173172 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:33:12, skipping insertion in model container [2019-11-20 05:33:12,226 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:33:12" (1/1) ... [2019-11-20 05:33:12,236 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 05:33:12,262 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 05:33:12,526 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 05:33:12,531 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 05:33:12,584 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 05:33:12,609 INFO L192 MainTranslator]: Completed translation [2019-11-20 05:33:12,609 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:33:12 WrapperNode [2019-11-20 05:33:12,609 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 05:33:12,610 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 05:33:12,610 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 05:33:12,611 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 05:33:12,620 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:33:12" (1/1) ... [2019-11-20 05:33:12,632 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:33:12" (1/1) ... [2019-11-20 05:33:12,676 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 05:33:12,676 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 05:33:12,676 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 05:33:12,677 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 05:33:12,685 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:33:12" (1/1) ... [2019-11-20 05:33:12,685 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:33:12" (1/1) ... [2019-11-20 05:33:12,690 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:33:12" (1/1) ... [2019-11-20 05:33:12,690 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:33:12" (1/1) ... [2019-11-20 05:33:12,704 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:33:12" (1/1) ... [2019-11-20 05:33:12,710 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:33:12" (1/1) ... [2019-11-20 05:33:12,714 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:33:12" (1/1) ... [2019-11-20 05:33:12,718 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 05:33:12,719 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 05:33:12,719 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 05:33:12,719 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 05:33:12,720 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:33:12" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_54e13cc4-5f5e-4bf9-b571-51a5ad1b5d33/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-20 05:33:12,828 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-20 05:33:12,829 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-11-20 05:33:12,829 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-20 05:33:12,829 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-11-20 05:33:12,830 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 05:33:12,830 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 05:33:12,831 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-20 05:33:12,831 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-20 05:33:13,418 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 05:33:13,418 INFO L285 CfgBuilder]: Removed 22 assume(true) statements. [2019-11-20 05:33:13,419 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:33:13 BoogieIcfgContainer [2019-11-20 05:33:13,419 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 05:33:13,420 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-20 05:33:13,421 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-20 05:33:13,424 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-20 05:33:13,424 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 05:33:12" (1/3) ... [2019-11-20 05:33:13,425 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@84bf3f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 05:33:13, skipping insertion in model container [2019-11-20 05:33:13,425 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:33:12" (2/3) ... [2019-11-20 05:33:13,425 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@84bf3f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 05:33:13, skipping insertion in model container [2019-11-20 05:33:13,426 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:33:13" (3/3) ... [2019-11-20 05:33:13,427 INFO L109 eAbstractionObserver]: Analyzing ICFG double_req_bl_0970b.c [2019-11-20 05:33:13,437 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-20 05:33:13,444 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-20 05:33:13,453 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-20 05:33:13,474 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-20 05:33:13,474 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-20 05:33:13,474 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-20 05:33:13,474 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-20 05:33:13,475 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-20 05:33:13,475 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-20 05:33:13,475 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-20 05:33:13,475 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-20 05:33:13,491 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states. [2019-11-20 05:33:13,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-11-20 05:33:13,498 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 05:33:13,498 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 05:33:13,499 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 05:33:13,505 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:33:13,505 INFO L82 PathProgramCache]: Analyzing trace with hash 1032073611, now seen corresponding path program 1 times [2019-11-20 05:33:13,514 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 05:33:13,515 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1703684598] [2019-11-20 05:33:13,515 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 05:33:13,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:33:13,643 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 05:33:13,644 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1703684598] [2019-11-20 05:33:13,645 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 05:33:13,645 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-20 05:33:13,646 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [679452899] [2019-11-20 05:33:13,651 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-20 05:33:13,651 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 05:33:13,665 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-20 05:33:13,666 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-20 05:33:13,668 INFO L87 Difference]: Start difference. First operand 42 states. Second operand 2 states. [2019-11-20 05:33:13,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 05:33:13,690 INFO L93 Difference]: Finished difference Result 82 states and 136 transitions. [2019-11-20 05:33:13,690 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-20 05:33:13,691 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2019-11-20 05:33:13,692 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 05:33:13,702 INFO L225 Difference]: With dead ends: 82 [2019-11-20 05:33:13,702 INFO L226 Difference]: Without dead ends: 39 [2019-11-20 05:33:13,707 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 [2019-11-20 05:33:13,720 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2019-11-20 05:33:13,735 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39. [2019-11-20 05:33:13,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2019-11-20 05:33:13,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 53 transitions. [2019-11-20 05:33:13,738 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 53 transitions. Word has length 10 [2019-11-20 05:33:13,738 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 05:33:13,738 INFO L462 AbstractCegarLoop]: Abstraction has 39 states and 53 transitions. [2019-11-20 05:33:13,738 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-20 05:33:13,739 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 53 transitions. [2019-11-20 05:33:13,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-11-20 05:33:13,739 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 05:33:13,739 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 05:33:13,739 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 05:33:13,740 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:33:13,740 INFO L82 PathProgramCache]: Analyzing trace with hash -1303233586, now seen corresponding path program 1 times [2019-11-20 05:33:13,740 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 05:33:13,740 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1249933973] [2019-11-20 05:33:13,740 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 05:33:13,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 05:33:13,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 05:33:13,853 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 05:33:13,853 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-11-20 05:33:13,894 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 05:33:13 BoogieIcfgContainer [2019-11-20 05:33:13,894 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-20 05:33:13,895 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 05:33:13,895 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 05:33:13,895 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 05:33:13,896 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:33:13" (3/4) ... [2019-11-20 05:33:13,899 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-20 05:33:13,900 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 05:33:13,902 INFO L168 Benchmark]: Toolchain (without parser) took 1686.05 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 152.6 MB). Free memory was 950.1 MB in the beginning and 1.1 GB in the end (delta: -122.9 MB). Peak memory consumption was 29.6 MB. Max. memory is 11.5 GB. [2019-11-20 05:33:13,902 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 05:33:13,903 INFO L168 Benchmark]: CACSL2BoogieTranslator took 393.53 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 152.6 MB). Free memory was 950.1 MB in the beginning and 1.1 GB in the end (delta: -192.3 MB). Peak memory consumption was 23.3 MB. Max. memory is 11.5 GB. [2019-11-20 05:33:13,904 INFO L168 Benchmark]: Boogie Procedure Inliner took 65.74 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-11-20 05:33:13,904 INFO L168 Benchmark]: Boogie Preprocessor took 42.36 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 05:33:13,905 INFO L168 Benchmark]: RCFGBuilder took 700.66 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: 36.1 MB). Peak memory consumption was 36.1 MB. Max. memory is 11.5 GB. [2019-11-20 05:33:13,906 INFO L168 Benchmark]: TraceAbstraction took 473.87 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: 26.6 MB). Peak memory consumption was 26.6 MB. Max. memory is 11.5 GB. [2019-11-20 05:33:13,906 INFO L168 Benchmark]: Witness Printer took 4.94 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 05:33:13,910 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 393.53 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 152.6 MB). Free memory was 950.1 MB in the beginning and 1.1 GB in the end (delta: -192.3 MB). Peak memory consumption was 23.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 65.74 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 42.36 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 700.66 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: 36.1 MB). Peak memory consumption was 36.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 473.87 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: 26.6 MB). Peak memory consumption was 26.6 MB. Max. memory is 11.5 GB. * Witness Printer took 4.94 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 175]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 161, overapproximation of bitwiseOr at line 132, overapproximation of someBinaryArithmeticDOUBLEoperation at line 133. Possible FailurePath: [L17-L26] static const double ln2_hi_log = 6.93147180369123816490e-01, ln2_lo_log = 1.90821492927058770002e-10, two54_log = 1.80143985094819840000e+16, Lg1_log = 6.666666666666735130e-01, Lg2_log = 3.999999999940941908e-01, Lg3_log = 2.857142874366239149e-01, Lg4_log = 2.222219843214978396e-01, Lg5_log = 1.818357216161805012e-01, Lg6_log = 1.531383769920937332e-01, Lg7_log = 1.479819860511658591e-01; [L28] static const double zero = 0.0; [L111-L114] static const double two54_log10 = 1.80143985094819840000e+16, ivln10_log10 = 4.34294481903251816668e-01, log10_2hi_log10 = 3.01029995663611771306e-01, log10_2lo_log10 = 3.69423907715893078616e-13; [L116] static const double zero_log10 = 0.0; VAL [ivln10_log10=108573620475812954167/250000000000000000000, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, two54_log=18014398509481984, two54_log10=18014398509481984, zero=0, zero_log10=0] [L170] double x = -1.0 / 0.0; [L119] double y, z; [L120] __int32_t i, k, hx; [L121] __uint32_t lx; VAL [ivln10_log10=108573620475812954167/250000000000000000000, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, two54_log=18014398509481984, two54_log10=18014398509481984, zero=0, zero_log10=0] [L124] ieee_double_shape_type ew_u; [L125] ew_u.value = (x) [L126] EXPR ew_u.parts.msw [L126] (hx) = ew_u.parts.msw [L127] EXPR ew_u.parts.lsw [L127] (lx) = ew_u.parts.lsw [L130] k = 0 VAL [ivln10_log10=108573620475812954167/250000000000000000000, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, two54_log=18014398509481984, two54_log10=18014398509481984, zero=0, zero_log10=0] [L131] COND TRUE hx < 0x00100000 VAL [ivln10_log10=108573620475812954167/250000000000000000000, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, two54_log=18014398509481984, two54_log10=18014398509481984, zero=0, zero_log10=0] [L132] COND TRUE ((hx & 0x7fffffff) | lx) == 0 [L133] return -two54_log10 / zero_log10; VAL [ivln10_log10=108573620475812954167/250000000000000000000, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, two54_log=18014398509481984, two54_log10=18014398509481984, zero=0, zero_log10=0] [L171] double res = __ieee754_log10(x); [L161] return x != x; VAL [ivln10_log10=108573620475812954167/250000000000000000000, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, two54_log=18014398509481984, two54_log10=18014398509481984, zero=0, zero_log10=0] [L174] COND TRUE !isnan_double(res) [L175] __VERIFIER_error() VAL [ivln10_log10=108573620475812954167/250000000000000000000, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, log10_2hi_log10=150514997831805885653/500000000000000000000, log10_2lo_log10=46177988464486634827/125000000000000000000000000000000, two54_log=18014398509481984, two54_log10=18014398509481984, zero=0, zero_log10=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 42 locations, 1 error locations. Result: UNSAFE, OverallTime: 0.4s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 56 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=42occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 21 NumberOfCodeBlocks, 21 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 81 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-678e011 [2019-11-20 05:33:16,014 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 05:33:16,016 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 05:33:16,030 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 05:33:16,030 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 05:33:16,031 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 05:33:16,033 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 05:33:16,035 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 05:33:16,048 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 05:33:16,050 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 05:33:16,051 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 05:33:16,052 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 05:33:16,053 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 05:33:16,056 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 05:33:16,058 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 05:33:16,059 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 05:33:16,060 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 05:33:16,061 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 05:33:16,062 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 05:33:16,065 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 05:33:16,066 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 05:33:16,067 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 05:33:16,068 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 05:33:16,069 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 05:33:16,072 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 05:33:16,072 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 05:33:16,072 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 05:33:16,073 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 05:33:16,073 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 05:33:16,074 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 05:33:16,075 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 05:33:16,075 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 05:33:16,076 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 05:33:16,077 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 05:33:16,078 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 05:33:16,078 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 05:33:16,079 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 05:33:16,079 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 05:33:16,079 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 05:33:16,080 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 05:33:16,081 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 05:33:16,081 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_54e13cc4-5f5e-4bf9-b571-51a5ad1b5d33/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-20 05:33:16,096 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 05:33:16,097 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 05:33:16,098 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 05:33:16,098 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 05:33:16,098 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 05:33:16,099 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 05:33:16,099 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 05:33:16,099 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 05:33:16,100 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 05:33:16,100 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 05:33:16,100 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 05:33:16,100 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 05:33:16,101 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-20 05:33:16,101 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-20 05:33:16,101 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 05:33:16,101 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 05:33:16,102 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 05:33:16,102 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 05:33:16,102 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 05:33:16,103 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 05:33:16,103 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 05:33:16,103 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-20 05:33:16,103 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-20 05:33:16,104 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 05:33:16,104 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 05:33:16,104 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 05:33:16,104 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-20 05:33:16,105 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-20 05:33:16,105 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 05:33:16,105 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-20 05:33:16,105 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_54e13cc4-5f5e-4bf9-b571-51a5ad1b5d33/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 -> c2b759759a3d71804d881b2ee189e6dc13f7a855 [2019-11-20 05:33:16,407 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 05:33:16,419 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 05:33:16,422 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 05:33:16,424 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 05:33:16,424 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 05:33:16,425 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_54e13cc4-5f5e-4bf9-b571-51a5ad1b5d33/bin/uautomizer/../../sv-benchmarks/c/float-newlib/double_req_bl_0970b.c [2019-11-20 05:33:16,499 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_54e13cc4-5f5e-4bf9-b571-51a5ad1b5d33/bin/uautomizer/data/52966ecc7/e3e1b78c26fd41ab86b2638287d9e161/FLAGd26e26e79 [2019-11-20 05:33:17,012 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 05:33:17,013 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_54e13cc4-5f5e-4bf9-b571-51a5ad1b5d33/sv-benchmarks/c/float-newlib/double_req_bl_0970b.c [2019-11-20 05:33:17,021 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_54e13cc4-5f5e-4bf9-b571-51a5ad1b5d33/bin/uautomizer/data/52966ecc7/e3e1b78c26fd41ab86b2638287d9e161/FLAGd26e26e79 [2019-11-20 05:33:17,333 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_54e13cc4-5f5e-4bf9-b571-51a5ad1b5d33/bin/uautomizer/data/52966ecc7/e3e1b78c26fd41ab86b2638287d9e161 [2019-11-20 05:33:17,336 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 05:33:17,338 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 05:33:17,339 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 05:33:17,339 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 05:33:17,343 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 05:33:17,344 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:33:17" (1/1) ... [2019-11-20 05:33:17,346 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ce182c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:33:17, skipping insertion in model container [2019-11-20 05:33:17,347 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:33:17" (1/1) ... [2019-11-20 05:33:17,354 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 05:33:17,380 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 05:33:17,631 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 05:33:17,638 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 05:33:17,707 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 05:33:17,810 INFO L192 MainTranslator]: Completed translation [2019-11-20 05:33:17,810 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:33:17 WrapperNode [2019-11-20 05:33:17,810 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 05:33:17,811 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 05:33:17,811 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 05:33:17,811 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 05:33:17,819 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:33:17" (1/1) ... [2019-11-20 05:33:17,834 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:33:17" (1/1) ... [2019-11-20 05:33:17,872 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 05:33:17,878 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 05:33:17,879 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 05:33:17,879 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 05:33:17,889 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:33:17" (1/1) ... [2019-11-20 05:33:17,889 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:33:17" (1/1) ... [2019-11-20 05:33:17,895 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:33:17" (1/1) ... [2019-11-20 05:33:17,896 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:33:17" (1/1) ... [2019-11-20 05:33:17,911 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:33:17" (1/1) ... [2019-11-20 05:33:17,917 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:33:17" (1/1) ... [2019-11-20 05:33:17,921 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:33:17" (1/1) ... [2019-11-20 05:33:17,926 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 05:33:17,927 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 05:33:17,927 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 05:33:17,927 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 05:33:17,928 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:33:17" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_54e13cc4-5f5e-4bf9-b571-51a5ad1b5d33/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-20 05:33:18,001 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2019-11-20 05:33:18,001 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2019-11-20 05:33:18,001 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-20 05:33:18,001 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-11-20 05:33:18,002 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 05:33:18,002 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 05:33:18,002 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-11-20 05:33:18,002 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-20 05:33:49,468 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 05:33:49,468 INFO L285 CfgBuilder]: Removed 22 assume(true) statements. [2019-11-20 05:33:49,469 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:33:49 BoogieIcfgContainer [2019-11-20 05:33:49,469 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 05:33:49,470 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-20 05:33:49,471 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-20 05:33:49,473 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-20 05:33:49,473 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 05:33:17" (1/3) ... [2019-11-20 05:33:49,474 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75adc351 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 05:33:49, skipping insertion in model container [2019-11-20 05:33:49,474 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:33:17" (2/3) ... [2019-11-20 05:33:49,474 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75adc351 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 05:33:49, skipping insertion in model container [2019-11-20 05:33:49,475 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:33:49" (3/3) ... [2019-11-20 05:33:49,476 INFO L109 eAbstractionObserver]: Analyzing ICFG double_req_bl_0970b.c [2019-11-20 05:33:49,484 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-20 05:33:49,490 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-20 05:33:49,498 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-20 05:33:49,521 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-20 05:33:49,521 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-20 05:33:49,521 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-20 05:33:49,521 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-20 05:33:49,521 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-20 05:33:49,521 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-20 05:33:49,522 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-20 05:33:49,522 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-20 05:33:49,534 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states. [2019-11-20 05:33:49,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-11-20 05:33:49,539 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 05:33:49,540 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 05:33:49,540 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 05:33:49,546 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:33:49,546 INFO L82 PathProgramCache]: Analyzing trace with hash 1032073611, now seen corresponding path program 1 times [2019-11-20 05:33:49,555 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-20 05:33:49,556 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1256704555] [2019-11-20 05:33:49,556 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_54e13cc4-5f5e-4bf9-b571-51a5ad1b5d33/bin/uautomizer/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2019-11-20 05:33:50,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:33:50,525 INFO L255 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 1 conjunts are in the unsatisfiable core [2019-11-20 05:33:50,530 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 05:33:50,541 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 05:33:50,541 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-20 05:33:50,545 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 05:33:50,546 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1256704555] [2019-11-20 05:33:50,547 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-20 05:33:50,547 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-11-20 05:33:50,548 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2097358601] [2019-11-20 05:33:50,551 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-20 05:33:50,551 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-20 05:33:50,564 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-20 05:33:50,565 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-20 05:33:50,567 INFO L87 Difference]: Start difference. First operand 42 states. Second operand 2 states. [2019-11-20 05:33:50,585 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 05:33:50,586 INFO L93 Difference]: Finished difference Result 82 states and 136 transitions. [2019-11-20 05:33:50,586 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-20 05:33:50,587 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2019-11-20 05:33:50,588 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 05:33:50,597 INFO L225 Difference]: With dead ends: 82 [2019-11-20 05:33:50,597 INFO L226 Difference]: Without dead ends: 39 [2019-11-20 05:33:50,600 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-20 05:33:50,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2019-11-20 05:33:50,630 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39. [2019-11-20 05:33:50,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2019-11-20 05:33:50,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 53 transitions. [2019-11-20 05:33:50,634 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 53 transitions. Word has length 10 [2019-11-20 05:33:50,634 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 05:33:50,635 INFO L462 AbstractCegarLoop]: Abstraction has 39 states and 53 transitions. [2019-11-20 05:33:50,635 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-20 05:33:50,635 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 53 transitions. [2019-11-20 05:33:50,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-11-20 05:33:50,636 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 05:33:50,636 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 05:33:50,850 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-11-20 05:33:50,850 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 05:33:50,850 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:33:50,850 INFO L82 PathProgramCache]: Analyzing trace with hash -1303233586, now seen corresponding path program 1 times [2019-11-20 05:33:50,851 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-20 05:33:50,851 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [641014460] [2019-11-20 05:33:50,852 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_54e13cc4-5f5e-4bf9-b571-51a5ad1b5d33/bin/uautomizer/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2019-11-20 05:33:51,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:33:51,741 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 7 conjunts are in the unsatisfiable core [2019-11-20 05:33:51,743 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 05:33:51,809 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 05:33:51,809 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-20 05:33:51,890 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 05:33:51,890 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [641014460] [2019-11-20 05:33:51,890 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-20 05:33:51,890 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2019-11-20 05:33:51,891 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [575632419] [2019-11-20 05:33:51,892 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-20 05:33:51,892 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-20 05:33:51,892 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-20 05:33:51,893 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-11-20 05:33:51,893 INFO L87 Difference]: Start difference. First operand 39 states and 53 transitions. Second operand 6 states. [2019-11-20 05:33:55,120 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 05:33:55,120 INFO L93 Difference]: Finished difference Result 44 states and 57 transitions. [2019-11-20 05:33:55,153 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-20 05:33:55,153 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 11 [2019-11-20 05:33:55,154 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 05:33:55,154 INFO L225 Difference]: With dead ends: 44 [2019-11-20 05:33:55,154 INFO L226 Difference]: Without dead ends: 13 [2019-11-20 05:33:55,156 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-11-20 05:33:55,157 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2019-11-20 05:33:55,158 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2019-11-20 05:33:55,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2019-11-20 05:33:55,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 12 transitions. [2019-11-20 05:33:55,160 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 12 transitions. Word has length 11 [2019-11-20 05:33:55,160 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 05:33:55,160 INFO L462 AbstractCegarLoop]: Abstraction has 13 states and 12 transitions. [2019-11-20 05:33:55,160 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-20 05:33:55,160 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 12 transitions. [2019-11-20 05:33:55,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-11-20 05:33:55,161 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 05:33:55,161 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 05:33:55,364 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-11-20 05:33:55,364 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 05:33:55,364 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:33:55,364 INFO L82 PathProgramCache]: Analyzing trace with hash -1811167824, now seen corresponding path program 1 times [2019-11-20 05:33:55,365 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-20 05:33:55,365 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1737274764] [2019-11-20 05:33:55,365 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_54e13cc4-5f5e-4bf9-b571-51a5ad1b5d33/bin/uautomizer/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2019-11-20 05:33:56,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:33:56,329 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 11 conjunts are in the unsatisfiable core [2019-11-20 05:33:56,330 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 05:33:56,431 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 05:33:56,431 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-20 05:34:00,653 WARN L860 $PredicateComparison]: unable to prove that (= (fp.div roundNearestTiesToEven (let ((.cse0 (fp.div roundNearestTiesToEven (fp.neg ((_ to_fp 11 53) roundNearestTiesToEven 1.0)) (_ +zero 11 53)))) (fp.sub roundNearestTiesToEven .cse0 .cse0)) (_ +zero 11 53)) (fp.div roundNearestTiesToEven (fp.sub roundNearestTiesToEven c_ULTIMATE.start___ieee754_log10_~x c_ULTIMATE.start___ieee754_log10_~x) c_~zero_log10~0)) is different from true [2019-11-20 05:34:00,669 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 05:34:00,669 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1737274764] [2019-11-20 05:34:00,669 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-20 05:34:00,669 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 10 [2019-11-20 05:34:00,670 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1132023433] [2019-11-20 05:34:00,670 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-11-20 05:34:00,670 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-20 05:34:00,671 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-11-20 05:34:00,671 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=55, Unknown=1, NotChecked=14, Total=90 [2019-11-20 05:34:00,671 INFO L87 Difference]: Start difference. First operand 13 states and 12 transitions. Second operand 10 states. [2019-11-20 05:34:03,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 05:34:03,528 INFO L93 Difference]: Finished difference Result 13 states and 12 transitions. [2019-11-20 05:34:03,529 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-20 05:34:03,529 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 12 [2019-11-20 05:34:03,529 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 05:34:03,529 INFO L225 Difference]: With dead ends: 13 [2019-11-20 05:34:03,529 INFO L226 Difference]: Without dead ends: 0 [2019-11-20 05:34:03,530 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 12 SyntacticMatches, 3 SemanticMatches, 11 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 4.9s TimeCoverageRelationStatistics Valid=44, Invalid=91, Unknown=1, NotChecked=20, Total=156 [2019-11-20 05:34:03,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-20 05:34:03,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-20 05:34:03,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-20 05:34:03,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-20 05:34:03,531 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 12 [2019-11-20 05:34:03,531 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 05:34:03,531 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 05:34:03,531 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-11-20 05:34:03,531 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-20 05:34:03,532 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-20 05:34:03,732 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-11-20 05:34:03,736 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-20 05:34:03,885 INFO L440 ceAbstractionStarter]: At program point L35-2(lines 35 40) the Hoare annotation is: false [2019-11-20 05:34:03,885 INFO L444 ceAbstractionStarter]: For program point L35-3(lines 35 40) no Hoare annotation was computed. [2019-11-20 05:34:03,886 INFO L444 ceAbstractionStarter]: For program point L44(lines 44 45) no Hoare annotation was computed. [2019-11-20 05:34:03,886 INFO L444 ceAbstractionStarter]: For program point L69(lines 69 85) no Hoare annotation was computed. [2019-11-20 05:34:03,886 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-20 05:34:03,886 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-20 05:34:03,886 INFO L444 ceAbstractionStarter]: For program point L61-1(lines 61 66) no Hoare annotation was computed. [2019-11-20 05:34:03,887 INFO L440 ceAbstractionStarter]: At program point L61-2(lines 61 66) the Hoare annotation is: false [2019-11-20 05:34:03,887 INFO L444 ceAbstractionStarter]: For program point L61-3(lines 61 66) no Hoare annotation was computed. [2019-11-20 05:34:03,887 INFO L444 ceAbstractionStarter]: For program point L70(lines 70 77) no Hoare annotation was computed. [2019-11-20 05:34:03,887 INFO L440 ceAbstractionStarter]: At program point L161(line 161) the Hoare annotation is: (let ((.cse0 (fp.div roundNearestTiesToEven (fp.neg ((_ to_fp 11 53) roundNearestTiesToEven 1.0)) (_ +zero 11 53)))) (and (= (_ +zero 11 53) ~zero_log10~0) (= ULTIMATE.start___ieee754_log10_~x .cse0) (= |ULTIMATE.start___ieee754_log10_#res| (fp.div roundNearestTiesToEven (fp.sub roundNearestTiesToEven .cse0 .cse0) (_ +zero 11 53))) (= (_ bv1 32) |ULTIMATE.start_isnan_double_#res|))) [2019-11-20 05:34:03,887 INFO L444 ceAbstractionStarter]: For program point L79(lines 79 84) no Hoare annotation was computed. [2019-11-20 05:34:03,887 INFO L444 ceAbstractionStarter]: For program point L46(lines 46 47) no Hoare annotation was computed. [2019-11-20 05:34:03,888 INFO L444 ceAbstractionStarter]: For program point L104(lines 104 107) no Hoare annotation was computed. [2019-11-20 05:34:03,888 INFO L444 ceAbstractionStarter]: For program point L71(lines 71 76) no Hoare annotation was computed. [2019-11-20 05:34:03,888 INFO L444 ceAbstractionStarter]: For program point L96(lines 96 108) no Hoare annotation was computed. [2019-11-20 05:34:03,888 INFO L447 ceAbstractionStarter]: At program point L179(lines 163 180) the Hoare annotation is: true [2019-11-20 05:34:03,888 INFO L444 ceAbstractionStarter]: For program point L138-1(lines 138 142) no Hoare annotation was computed. [2019-11-20 05:34:03,888 INFO L440 ceAbstractionStarter]: At program point L138-2(lines 138 142) the Hoare annotation is: false [2019-11-20 05:34:03,889 INFO L444 ceAbstractionStarter]: For program point L131(lines 131 143) no Hoare annotation was computed. [2019-11-20 05:34:03,889 INFO L444 ceAbstractionStarter]: For program point L131-1(lines 118 158) no Hoare annotation was computed. [2019-11-20 05:34:03,889 INFO L444 ceAbstractionStarter]: For program point L98(lines 98 102) no Hoare annotation was computed. [2019-11-20 05:34:03,889 INFO L444 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-20 05:34:03,889 INFO L444 ceAbstractionStarter]: For program point L123-1(lines 123 128) no Hoare annotation was computed. [2019-11-20 05:34:03,890 INFO L440 ceAbstractionStarter]: At program point L123-2(lines 123 128) the Hoare annotation is: (and (= (_ +zero 11 53) ~zero_log10~0) (= ULTIMATE.start___ieee754_log10_~x (fp.div roundNearestTiesToEven (fp.neg ((_ to_fp 11 53) roundNearestTiesToEven 1.0)) (_ +zero 11 53)))) [2019-11-20 05:34:03,890 INFO L444 ceAbstractionStarter]: For program point L123-3(lines 123 128) no Hoare annotation was computed. [2019-11-20 05:34:03,890 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 175) no Hoare annotation was computed. [2019-11-20 05:34:03,890 INFO L440 ceAbstractionStarter]: At program point L107(lines 30 109) the Hoare annotation is: false [2019-11-20 05:34:03,890 INFO L444 ceAbstractionStarter]: For program point L132(lines 132 133) no Hoare annotation was computed. [2019-11-20 05:34:03,890 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-20 05:34:03,891 INFO L440 ceAbstractionStarter]: At program point L157(lines 118 158) the Hoare annotation is: (let ((.cse0 (fp.div roundNearestTiesToEven (fp.neg ((_ to_fp 11 53) roundNearestTiesToEven 1.0)) (_ +zero 11 53)))) (and (= (_ +zero 11 53) ~zero_log10~0) (= ULTIMATE.start___ieee754_log10_~x .cse0) (= |ULTIMATE.start___ieee754_log10_#res| (fp.div roundNearestTiesToEven (fp.sub roundNearestTiesToEven .cse0 .cse0) (_ +zero 11 53))))) [2019-11-20 05:34:03,891 INFO L444 ceAbstractionStarter]: For program point L50-1(lines 50 54) no Hoare annotation was computed. [2019-11-20 05:34:03,891 INFO L440 ceAbstractionStarter]: At program point L50-2(lines 50 54) the Hoare annotation is: false [2019-11-20 05:34:03,891 INFO L444 ceAbstractionStarter]: For program point L174(lines 174 177) no Hoare annotation was computed. [2019-11-20 05:34:03,893 INFO L444 ceAbstractionStarter]: For program point L150-1(lines 150 155) no Hoare annotation was computed. [2019-11-20 05:34:03,893 INFO L440 ceAbstractionStarter]: At program point L150-2(lines 150 155) the Hoare annotation is: false [2019-11-20 05:34:03,893 INFO L444 ceAbstractionStarter]: For program point L150-3(lines 150 155) no Hoare annotation was computed. [2019-11-20 05:34:03,894 INFO L444 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2019-11-20 05:34:03,894 INFO L444 ceAbstractionStarter]: For program point L43(lines 43 55) no Hoare annotation was computed. [2019-11-20 05:34:03,895 INFO L444 ceAbstractionStarter]: For program point L43-1(lines 30 109) no Hoare annotation was computed. [2019-11-20 05:34:03,895 INFO L444 ceAbstractionStarter]: For program point L134(lines 134 135) no Hoare annotation was computed. [2019-11-20 05:34:03,896 INFO L444 ceAbstractionStarter]: For program point L35-1(lines 35 40) no Hoare annotation was computed. [2019-11-20 05:34:03,920 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 05:34:03,921 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 05:34:03,922 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 05:34:03,922 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 05:34:03,922 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 05:34:03,923 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 05:34:03,923 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 05:34:03,923 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 05:34:03,927 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 05:34:03,932 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 05:34:03,932 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 05:34:03,932 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 05:34:03,933 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 05:34:03,933 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 05:34:03,933 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 05:34:03,933 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 05:34:03,936 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 05:34:03,936 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 05:34:03,936 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 05:34:03,937 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 05:34:03,937 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 05:34:03,937 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 05:34:03,938 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 05:34:03,938 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 05:34:03,939 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 05:34:03,939 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 05:34:03,939 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 05:34:03,940 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 05:34:03,940 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 05:34:03,940 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 05:34:03,940 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 05:34:03,941 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 05:34:03,942 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 05:34:03,942 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 05:34:03,943 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 05:34:03,944 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 05:34:03,947 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 05:34:03 BoogieIcfgContainer [2019-11-20 05:34:03,947 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-20 05:34:03,949 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 05:34:03,953 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 05:34:03,954 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 05:34:03,954 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:33:49" (3/4) ... [2019-11-20 05:34:03,959 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-20 05:34:03,979 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2019-11-20 05:34:03,979 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-11-20 05:34:03,980 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-20 05:34:04,011 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (~Pluszero~LONGDOUBLE() == zero_log10 && x == ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE())) && \result == ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.sub~DOUBLE(~roundNearestTiesToEven, ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE())), ~Pluszero~LONGDOUBLE()) [2019-11-20 05:34:04,012 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((~Pluszero~LONGDOUBLE() == zero_log10 && x == ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE())) && \result == ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.sub~DOUBLE(~roundNearestTiesToEven, ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE())), ~Pluszero~LONGDOUBLE())) && 1bv32 == \result [2019-11-20 05:34:04,075 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_54e13cc4-5f5e-4bf9-b571-51a5ad1b5d33/bin/uautomizer/witness.graphml [2019-11-20 05:34:04,075 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 05:34:04,077 INFO L168 Benchmark]: Toolchain (without parser) took 46739.19 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 171.4 MB). Free memory was 955.1 MB in the beginning and 999.5 MB in the end (delta: -44.5 MB). Peak memory consumption was 127.0 MB. Max. memory is 11.5 GB. [2019-11-20 05:34:04,077 INFO L168 Benchmark]: CDTParser took 0.29 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. [2019-11-20 05:34:04,078 INFO L168 Benchmark]: CACSL2BoogieTranslator took 472.07 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 171.4 MB). Free memory was 955.1 MB in the beginning and 1.2 GB in the end (delta: -206.1 MB). Peak memory consumption was 26.6 MB. Max. memory is 11.5 GB. [2019-11-20 05:34:04,078 INFO L168 Benchmark]: Boogie Procedure Inliner took 66.87 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 05:34:04,078 INFO L168 Benchmark]: Boogie Preprocessor took 48.16 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 05:34:04,079 INFO L168 Benchmark]: RCFGBuilder took 31542.85 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 44.6 MB). Peak memory consumption was 44.6 MB. Max. memory is 11.5 GB. [2019-11-20 05:34:04,079 INFO L168 Benchmark]: TraceAbstraction took 14477.07 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 110.6 MB). Peak memory consumption was 110.6 MB. Max. memory is 11.5 GB. [2019-11-20 05:34:04,080 INFO L168 Benchmark]: Witness Printer took 127.05 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 999.5 MB in the end (delta: 6.4 MB). Peak memory consumption was 6.4 MB. Max. memory is 11.5 GB. [2019-11-20 05:34:04,082 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 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 472.07 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 171.4 MB). Free memory was 955.1 MB in the beginning and 1.2 GB in the end (delta: -206.1 MB). Peak memory consumption was 26.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 66.87 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 48.16 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 31542.85 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 44.6 MB). Peak memory consumption was 44.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 14477.07 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 110.6 MB). Peak memory consumption was 110.6 MB. Max. memory is 11.5 GB. * Witness Printer took 127.05 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 999.5 MB in the end (delta: 6.4 MB). Peak memory consumption was 6.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 175]: 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: 50]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 61]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 161]: Loop Invariant [2019-11-20 05:34:04,088 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 05:34:04,089 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 05:34:04,089 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 05:34:04,089 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 05:34:04,089 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 05:34:04,089 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 05:34:04,090 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 05:34:04,090 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 05:34:04,091 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 05:34:04,091 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 05:34:04,091 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 05:34:04,091 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 05:34:04,091 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 05:34:04,092 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 05:34:04,092 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 05:34:04,092 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: ((~Pluszero~LONGDOUBLE() == zero_log10 && x == ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE())) && \result == ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.sub~DOUBLE(~roundNearestTiesToEven, ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE())), ~Pluszero~LONGDOUBLE())) && 1bv32 == \result - InvariantResult [Line: 35]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 118]: Loop Invariant [2019-11-20 05:34:04,093 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 05:34:04,093 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 05:34:04,093 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 05:34:04,094 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 05:34:04,094 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 05:34:04,094 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 05:34:04,094 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 05:34:04,094 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 05:34:04,095 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 05:34:04,095 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 05:34:04,096 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 05:34:04,096 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 05:34:04,096 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 05:34:04,096 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 05:34:04,096 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 05:34:04,097 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: (~Pluszero~LONGDOUBLE() == zero_log10 && x == ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE())) && \result == ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.sub~DOUBLE(~roundNearestTiesToEven, ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()), ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE())), ~Pluszero~LONGDOUBLE()) - InvariantResult [Line: 138]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 163]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 123]: Loop Invariant [2019-11-20 05:34:04,097 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 05:34:04,098 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 05:34:04,098 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-20 05:34:04,098 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: ~Pluszero~LONGDOUBLE() == zero_log10 && x == ~fp.div~DOUBLE(~roundNearestTiesToEven, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()) - InvariantResult [Line: 150]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 42 locations, 1 error locations. Result: SAFE, OverallTime: 14.3s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 6.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, HoareTripleCheckerStatistics: 70 SDtfs, 21 SDslu, 42 SDs, 0 SdLazy, 20 SolverSat, 2 SolverUnsat, 1 SolverUnknown, 0 SolverNotchecked, 5.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 65 GetRequests, 46 SyntacticMatches, 3 SemanticMatches, 16 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 5.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=42occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 10 LocationsWithAnnotation, 10 PreInvPairs, 14 NumberOfFragments, 91 HoareAnnotationTreeSize, 10 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 10 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 2.4s SatisfiabilityAnalysisTime, 4.6s InterpolantComputationTime, 33 NumberOfCodeBlocks, 33 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 60 ConstructedInterpolants, 9 QuantifiedInterpolants, 5084 SizeOfPredicates, 16 NumberOfNonLiveVariables, 144 ConjunctsInSsa, 19 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...