./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/floats-cdfpl/square_2_false-unreach-call_true-termination.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_461c7e76-d648-48f5-9567-04a8f03675cd/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_461c7e76-d648-48f5-9567-04a8f03675cd/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_461c7e76-d648-48f5-9567-04a8f03675cd/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_461c7e76-d648-48f5-9567-04a8f03675cd/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/floats-cdfpl/square_2_false-unreach-call_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_461c7e76-d648-48f5-9567-04a8f03675cd/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_461c7e76-d648-48f5-9567-04a8f03675cd/bin-2019/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 30af8e98893bfcc9c7b0879f6e0cde9a5cbf7714 .......................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_461c7e76-d648-48f5-9567-04a8f03675cd/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_461c7e76-d648-48f5-9567-04a8f03675cd/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_461c7e76-d648-48f5-9567-04a8f03675cd/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_461c7e76-d648-48f5-9567-04a8f03675cd/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/floats-cdfpl/square_2_false-unreach-call_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_461c7e76-d648-48f5-9567-04a8f03675cd/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_461c7e76-d648-48f5-9567-04a8f03675cd/bin-2019/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 30af8e98893bfcc9c7b0879f6e0cde9a5cbf7714 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 12:56:28,195 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 12:56:28,196 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 12:56:28,203 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 12:56:28,203 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 12:56:28,204 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 12:56:28,205 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 12:56:28,206 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 12:56:28,207 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 12:56:28,207 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 12:56:28,208 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 12:56:28,208 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 12:56:28,209 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 12:56:28,209 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 12:56:28,210 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 12:56:28,211 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 12:56:28,211 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 12:56:28,212 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 12:56:28,214 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 12:56:28,215 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 12:56:28,215 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 12:56:28,216 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 12:56:28,218 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 12:56:28,218 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 12:56:28,218 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 12:56:28,219 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 12:56:28,219 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 12:56:28,220 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 12:56:28,220 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 12:56:28,221 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 12:56:28,221 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 12:56:28,222 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 12:56:28,222 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 12:56:28,222 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 12:56:28,223 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 12:56:28,223 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 12:56:28,223 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_461c7e76-d648-48f5-9567-04a8f03675cd/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-23 12:56:28,233 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 12:56:28,233 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 12:56:28,233 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 12:56:28,233 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 12:56:28,234 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 12:56:28,234 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 12:56:28,234 INFO L133 SettingsManager]: * Use SBE=true [2018-11-23 12:56:28,234 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 12:56:28,235 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 12:56:28,235 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 12:56:28,235 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 12:56:28,235 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 12:56:28,235 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 12:56:28,235 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 12:56:28,235 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 12:56:28,235 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 12:56:28,236 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 12:56:28,236 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 12:56:28,236 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 12:56:28,236 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 12:56:28,236 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 12:56:28,236 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 12:56:28,236 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 12:56:28,237 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 12:56:28,237 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 12:56:28,237 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 12:56:28,237 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 12:56:28,237 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-23 12:56:28,237 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 12:56:28,237 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 12:56:28,237 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 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/working_dir_461c7e76-d648-48f5-9567-04a8f03675cd/bin-2019/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 -> 30af8e98893bfcc9c7b0879f6e0cde9a5cbf7714 [2018-11-23 12:56:28,261 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 12:56:28,269 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 12:56:28,272 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 12:56:28,273 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 12:56:28,273 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 12:56:28,274 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_461c7e76-d648-48f5-9567-04a8f03675cd/bin-2019/uautomizer/../../sv-benchmarks/c/floats-cdfpl/square_2_false-unreach-call_true-termination.i [2018-11-23 12:56:28,310 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_461c7e76-d648-48f5-9567-04a8f03675cd/bin-2019/uautomizer/data/4448948b6/c260a42bff3c4ebdb7ae7dda4df40162/FLAG8d5cc6607 [2018-11-23 12:56:28,705 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 12:56:28,705 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_461c7e76-d648-48f5-9567-04a8f03675cd/sv-benchmarks/c/floats-cdfpl/square_2_false-unreach-call_true-termination.i [2018-11-23 12:56:28,709 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_461c7e76-d648-48f5-9567-04a8f03675cd/bin-2019/uautomizer/data/4448948b6/c260a42bff3c4ebdb7ae7dda4df40162/FLAG8d5cc6607 [2018-11-23 12:56:28,719 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_461c7e76-d648-48f5-9567-04a8f03675cd/bin-2019/uautomizer/data/4448948b6/c260a42bff3c4ebdb7ae7dda4df40162 [2018-11-23 12:56:28,722 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 12:56:28,723 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 12:56:28,723 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 12:56:28,723 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 12:56:28,725 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 12:56:28,726 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:56:28" (1/1) ... [2018-11-23 12:56:28,727 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@33c486bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:56:28, skipping insertion in model container [2018-11-23 12:56:28,728 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:56:28" (1/1) ... [2018-11-23 12:56:28,734 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 12:56:28,746 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 12:56:28,855 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 12:56:28,857 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 12:56:28,867 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 12:56:28,876 INFO L195 MainTranslator]: Completed translation [2018-11-23 12:56:28,876 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:56:28 WrapperNode [2018-11-23 12:56:28,876 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 12:56:28,877 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 12:56:28,877 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 12:56:28,877 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 12:56:28,882 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:56:28" (1/1) ... [2018-11-23 12:56:28,885 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:56:28" (1/1) ... [2018-11-23 12:56:28,889 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 12:56:28,889 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 12:56:28,889 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 12:56:28,889 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 12:56:28,894 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:56:28" (1/1) ... [2018-11-23 12:56:28,894 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:56:28" (1/1) ... [2018-11-23 12:56:28,895 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:56:28" (1/1) ... [2018-11-23 12:56:28,895 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:56:28" (1/1) ... [2018-11-23 12:56:28,897 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:56:28" (1/1) ... [2018-11-23 12:56:28,898 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:56:28" (1/1) ... [2018-11-23 12:56:28,899 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:56:28" (1/1) ... [2018-11-23 12:56:28,899 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 12:56:28,900 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 12:56:28,900 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 12:56:28,900 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 12:56:28,900 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:56:28" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_461c7e76-d648-48f5-9567-04a8f03675cd/bin-2019/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 [2018-11-23 12:56:28,967 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 12:56:28,967 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 12:56:28,967 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 12:56:28,967 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 12:56:28,967 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 12:56:28,968 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 12:56:29,053 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 12:56:29,053 INFO L280 CfgBuilder]: Removed 0 assue(true) statements. [2018-11-23 12:56:29,053 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:56:29 BoogieIcfgContainer [2018-11-23 12:56:29,053 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 12:56:29,054 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 12:56:29,054 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 12:56:29,056 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 12:56:29,056 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 12:56:28" (1/3) ... [2018-11-23 12:56:29,056 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@aea34f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 12:56:29, skipping insertion in model container [2018-11-23 12:56:29,056 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:56:28" (2/3) ... [2018-11-23 12:56:29,057 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@aea34f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 12:56:29, skipping insertion in model container [2018-11-23 12:56:29,057 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:56:29" (3/3) ... [2018-11-23 12:56:29,058 INFO L112 eAbstractionObserver]: Analyzing ICFG square_2_false-unreach-call_true-termination.i [2018-11-23 12:56:29,064 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 12:56:29,068 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 12:56:29,077 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 12:56:29,102 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-23 12:56:29,103 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 12:56:29,103 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 12:56:29,103 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 12:56:29,103 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 12:56:29,103 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 12:56:29,103 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 12:56:29,103 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 12:56:29,103 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 12:56:29,116 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states. [2018-11-23 12:56:29,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-11-23 12:56:29,119 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 12:56:29,119 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-23 12:56:29,121 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 12:56:29,125 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:56:29,126 INFO L82 PathProgramCache]: Analyzing trace with hash -2109216782, now seen corresponding path program 1 times [2018-11-23 12:56:29,127 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 12:56:29,128 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 12:56:29,166 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:56:29,166 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:56:29,166 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:56:29,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 12:56:29,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 12:56:29,200 INFO L469 BasicCegarLoop]: Counterexample might be feasible ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator [?] CALL call ULTIMATE.init(); [?] assume true; [?] RET #16#return; [?] CALL call #t~ret2 := main(); [?] ~IN~0 := #t~nondet1;havoc #t~nondet1;assume 0 != (if ~someBinaryFLOATComparisonOperation(~IN~0, 0.0) && ~someBinaryFLOATComparisonOperation(~IN~0, 1.0) then 1 else 0);~x~0 := ~IN~0;~result~0 := ~someBinaryArithmeticFLOAToperation(~someBinaryArithmeticFLOAToperation(~someBinaryArithmeticFLOAToperation(~someBinaryArithmeticFLOAToperation(1.0, ~someBinaryArithmeticFLOAToperation(0.5, ~x~0)), ~someBinaryArithmeticFLOAToperation(~someBinaryArithmeticFLOAToperation(0.125, ~x~0), ~x~0)), ~someBinaryArithmeticFLOAToperation(~someBinaryArithmeticFLOAToperation(~someBinaryArithmeticFLOAToperation(0.0625, ~x~0), ~x~0), ~x~0)), ~someBinaryArithmeticFLOAToperation(~someBinaryArithmeticFLOAToperation(~someBinaryArithmeticFLOAToperation(~someBinaryArithmeticFLOAToperation(0.0390625, ~x~0), ~x~0), ~x~0), ~x~0)); VAL [main_~IN~0=0.0, main_~x~0=0.0] [?] assume !(~someBinaryFLOATComparisonOperation(~result~0, 0.0) && ~someBinaryFLOATComparisonOperation(~result~0, 1.398)); VAL [main_~IN~0=0.0, main_~x~0=0.0] [?] assume !false; VAL [main_~IN~0=0.0, main_~x~0=0.0] [?] CALL call ULTIMATE.init(); [?] ensures true; [?] RET call ULTIMATE.init(); [?] CALL call #t~ret2 := main(); [L6] ~IN~0 := #t~nondet1; [L6] havoc #t~nondet1; [L7] assume 0 != (if ~someBinaryFLOATComparisonOperation(~IN~0, 0.0) && ~someBinaryFLOATComparisonOperation(~IN~0, 1.0) then 1 else 0); [L9] ~x~0 := ~IN~0; [L11-L12] ~result~0 := ~someBinaryArithmeticFLOAToperation(~someBinaryArithmeticFLOAToperation(~someBinaryArithmeticFLOAToperation(~someBinaryArithmeticFLOAToperation(1.0, ~someBinaryArithmeticFLOAToperation(0.5, ~x~0)), ~someBinaryArithmeticFLOAToperation(~someBinaryArithmeticFLOAToperation(0.125, ~x~0), ~x~0)), ~someBinaryArithmeticFLOAToperation(~someBinaryArithmeticFLOAToperation(~someBinaryArithmeticFLOAToperation(0.0625, ~x~0), ~x~0), ~x~0)), ~someBinaryArithmeticFLOAToperation(~someBinaryArithmeticFLOAToperation(~someBinaryArithmeticFLOAToperation(~someBinaryArithmeticFLOAToperation(0.0390625, ~x~0), ~x~0), ~x~0), ~x~0)); VAL [~IN~0=0.0, ~x~0=0.0] [L14-L15] assume !(~someBinaryFLOATComparisonOperation(~result~0, 0.0) && ~someBinaryFLOATComparisonOperation(~result~0, 1.398)); VAL [~IN~0=0.0, ~x~0=0.0] [L15] assert false; VAL [~IN~0=0.0, ~x~0=0.0] ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.preprocessor.BoogiePreprocessorBacktranslator [?] CALL call ULTIMATE.init(); [?] ensures true; [?] RET call ULTIMATE.init(); [?] CALL call #t~ret2 := main(); [L6] ~IN~0 := #t~nondet1; [L6] havoc #t~nondet1; [L7] assume 0 != (if ~someBinaryFLOATComparisonOperation(~IN~0, 0.0) && ~someBinaryFLOATComparisonOperation(~IN~0, 1.0) then 1 else 0); [L9] ~x~0 := ~IN~0; [L11-L12] ~result~0 := ~someBinaryArithmeticFLOAToperation(~someBinaryArithmeticFLOAToperation(~someBinaryArithmeticFLOAToperation(~someBinaryArithmeticFLOAToperation(1.0, ~someBinaryArithmeticFLOAToperation(0.5, ~x~0)), ~someBinaryArithmeticFLOAToperation(~someBinaryArithmeticFLOAToperation(0.125, ~x~0), ~x~0)), ~someBinaryArithmeticFLOAToperation(~someBinaryArithmeticFLOAToperation(~someBinaryArithmeticFLOAToperation(0.0625, ~x~0), ~x~0), ~x~0)), ~someBinaryArithmeticFLOAToperation(~someBinaryArithmeticFLOAToperation(~someBinaryArithmeticFLOAToperation(~someBinaryArithmeticFLOAToperation(0.0390625, ~x~0), ~x~0), ~x~0), ~x~0)); VAL [~IN~0=0.0, ~x~0=0.0] [L14-L15] assume !(~someBinaryFLOATComparisonOperation(~result~0, 0.0) && ~someBinaryFLOATComparisonOperation(~result~0, 1.398)); VAL [~IN~0=0.0, ~x~0=0.0] [L15] assert false; VAL [~IN~0=0.0, ~x~0=0.0] [?] CALL call ULTIMATE.init(); [?] RET call ULTIMATE.init(); [?] CALL call #t~ret2 := main(); [L6] ~IN~0 := #t~nondet1; [L6] havoc #t~nondet1; [L7] assume 0 != (if ~someBinaryFLOATComparisonOperation(~IN~0, 0.0) && ~someBinaryFLOATComparisonOperation(~IN~0, 1.0) then 1 else 0); [L9] ~x~0 := ~IN~0; [L11-L12] ~result~0 := ~someBinaryArithmeticFLOAToperation(~someBinaryArithmeticFLOAToperation(~someBinaryArithmeticFLOAToperation(~someBinaryArithmeticFLOAToperation(1.0, ~someBinaryArithmeticFLOAToperation(0.5, ~x~0)), ~someBinaryArithmeticFLOAToperation(~someBinaryArithmeticFLOAToperation(0.125, ~x~0), ~x~0)), ~someBinaryArithmeticFLOAToperation(~someBinaryArithmeticFLOAToperation(~someBinaryArithmeticFLOAToperation(0.0625, ~x~0), ~x~0), ~x~0)), ~someBinaryArithmeticFLOAToperation(~someBinaryArithmeticFLOAToperation(~someBinaryArithmeticFLOAToperation(~someBinaryArithmeticFLOAToperation(0.0390625, ~x~0), ~x~0), ~x~0), ~x~0)); VAL [~IN~0=0.0, ~x~0=0.0] [L14] COND TRUE !(~someBinaryFLOATComparisonOperation(~result~0, 0.0) && ~someBinaryFLOATComparisonOperation(~result~0, 1.398)) VAL [~IN~0=0.0, ~x~0=0.0] [L15] assert false; VAL [~IN~0=0.0, ~x~0=0.0] ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator [?] CALL call ULTIMATE.init(); [?] RET call ULTIMATE.init(); [?] CALL call #t~ret2 := main(); [L6] ~IN~0 := #t~nondet1; [L6] havoc #t~nondet1; [L7] assume 0 != (if ~someBinaryFLOATComparisonOperation(~IN~0, 0.0) && ~someBinaryFLOATComparisonOperation(~IN~0, 1.0) then 1 else 0); [L9] ~x~0 := ~IN~0; [L11-L12] ~result~0 := ~someBinaryArithmeticFLOAToperation(~someBinaryArithmeticFLOAToperation(~someBinaryArithmeticFLOAToperation(~someBinaryArithmeticFLOAToperation(1.0, ~someBinaryArithmeticFLOAToperation(0.5, ~x~0)), ~someBinaryArithmeticFLOAToperation(~someBinaryArithmeticFLOAToperation(0.125, ~x~0), ~x~0)), ~someBinaryArithmeticFLOAToperation(~someBinaryArithmeticFLOAToperation(~someBinaryArithmeticFLOAToperation(0.0625, ~x~0), ~x~0), ~x~0)), ~someBinaryArithmeticFLOAToperation(~someBinaryArithmeticFLOAToperation(~someBinaryArithmeticFLOAToperation(~someBinaryArithmeticFLOAToperation(0.0390625, ~x~0), ~x~0), ~x~0), ~x~0)); VAL [~IN~0=0.0, ~x~0=0.0] [L14] COND TRUE !(~someBinaryFLOATComparisonOperation(~result~0, 0.0) && ~someBinaryFLOATComparisonOperation(~result~0, 1.398)) VAL [~IN~0=0.0, ~x~0=0.0] [L15] assert false; VAL [~IN~0=0.0, ~x~0=0.0] [?] CALL call ULTIMATE.init(); [?] RET call ULTIMATE.init(); [?] CALL call #t~ret2 := main(); [L6] ~IN~0 := #t~nondet1; [L6] havoc #t~nondet1; [L7] assume 0 != (if ~someBinaryFLOATComparisonOperation(~IN~0, 0.0) && ~someBinaryFLOATComparisonOperation(~IN~0, 1.0) then 1 else 0); [L9] ~x~0 := ~IN~0; [L11-L12] ~result~0 := ~someBinaryArithmeticFLOAToperation(~someBinaryArithmeticFLOAToperation(~someBinaryArithmeticFLOAToperation(~someBinaryArithmeticFLOAToperation(1.0, ~someBinaryArithmeticFLOAToperation(0.5, ~x~0)), ~someBinaryArithmeticFLOAToperation(~someBinaryArithmeticFLOAToperation(0.125, ~x~0), ~x~0)), ~someBinaryArithmeticFLOAToperation(~someBinaryArithmeticFLOAToperation(~someBinaryArithmeticFLOAToperation(0.0625, ~x~0), ~x~0), ~x~0)), ~someBinaryArithmeticFLOAToperation(~someBinaryArithmeticFLOAToperation(~someBinaryArithmeticFLOAToperation(~someBinaryArithmeticFLOAToperation(0.0390625, ~x~0), ~x~0), ~x~0), ~x~0)); VAL [~IN~0=0.0, ~x~0=0.0] [L14] COND TRUE !(~someBinaryFLOATComparisonOperation(~result~0, 0.0) && ~someBinaryFLOATComparisonOperation(~result~0, 1.398)) VAL [~IN~0=0.0, ~x~0=0.0] [L15] assert false; VAL [~IN~0=0.0, ~x~0=0.0] ----- ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieBacktranslator [?] CALL call ULTIMATE.init(); [?] RET call ULTIMATE.init(); [?] CALL call #t~ret2 := main(); [L6] ~IN~0 := #t~nondet1; [L6] havoc #t~nondet1; [L7] assume 0 != (if ~someBinaryFLOATComparisonOperation(~IN~0, 0.0) && ~someBinaryFLOATComparisonOperation(~IN~0, 1.0) then 1 else 0); [L9] ~x~0 := ~IN~0; [L11-L12] ~result~0 := ~someBinaryArithmeticFLOAToperation(~someBinaryArithmeticFLOAToperation(~someBinaryArithmeticFLOAToperation(~someBinaryArithmeticFLOAToperation(1.0, ~someBinaryArithmeticFLOAToperation(0.5, ~x~0)), ~someBinaryArithmeticFLOAToperation(~someBinaryArithmeticFLOAToperation(0.125, ~x~0), ~x~0)), ~someBinaryArithmeticFLOAToperation(~someBinaryArithmeticFLOAToperation(~someBinaryArithmeticFLOAToperation(0.0625, ~x~0), ~x~0), ~x~0)), ~someBinaryArithmeticFLOAToperation(~someBinaryArithmeticFLOAToperation(~someBinaryArithmeticFLOAToperation(~someBinaryArithmeticFLOAToperation(0.0390625, ~x~0), ~x~0), ~x~0), ~x~0)); VAL [~IN~0=0.0, ~x~0=0.0] [L14] COND TRUE !(~someBinaryFLOATComparisonOperation(~result~0, 0.0) && ~someBinaryFLOATComparisonOperation(~result~0, 1.398)) VAL [~IN~0=0.0, ~x~0=0.0] [L15] assert false; VAL [~IN~0=0.0, ~x~0=0.0] [L6] float IN = __VERIFIER_nondet_float(); [L9] float x = IN; [L11-L12] float result = 1.0f + 0.5f*x - 0.125f*x*x + 0.0625f*x*x*x - 0.0390625f*x*x*x*x; VAL [IN=0, x=0] [L14] COND TRUE !(result >= 0.0f && result < 1.398f) VAL [IN=0, x=0] [L15] __VERIFIER_error() VAL [IN=0, x=0] ----- [2018-11-23 12:56:29,217 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 12:56:29 BoogieIcfgContainer [2018-11-23 12:56:29,217 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 12:56:29,218 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 12:56:29,218 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 12:56:29,218 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 12:56:29,218 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:56:29" (3/4) ... [2018-11-23 12:56:29,221 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-23 12:56:29,221 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 12:56:29,222 INFO L168 Benchmark]: Toolchain (without parser) took 499.51 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 139.5 MB). Free memory was 959.3 MB in the beginning and 1.1 GB in the end (delta: -155.2 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 12:56:29,223 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 12:56:29,223 INFO L168 Benchmark]: CACSL2BoogieTranslator took 153.30 ms. Allocated memory is still 1.0 GB. Free memory was 959.3 MB in the beginning and 948.5 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-23 12:56:29,224 INFO L168 Benchmark]: Boogie Procedure Inliner took 12.19 ms. Allocated memory is still 1.0 GB. Free memory was 948.5 MB in the beginning and 945.8 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-23 12:56:29,225 INFO L168 Benchmark]: Boogie Preprocessor took 10.61 ms. Allocated memory is still 1.0 GB. Free memory is still 945.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 12:56:29,225 INFO L168 Benchmark]: RCFGBuilder took 153.42 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 139.5 MB). Free memory was 945.8 MB in the beginning and 1.1 GB in the end (delta: -182.1 MB). Peak memory consumption was 14.4 MB. Max. memory is 11.5 GB. [2018-11-23 12:56:29,226 INFO L168 Benchmark]: TraceAbstraction took 163.89 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: 13.5 MB). Peak memory consumption was 13.5 MB. Max. memory is 11.5 GB. [2018-11-23 12:56:29,226 INFO L168 Benchmark]: Witness Printer took 3.33 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. [2018-11-23 12:56:29,229 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 153.30 ms. Allocated memory is still 1.0 GB. Free memory was 959.3 MB in the beginning and 948.5 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 12.19 ms. Allocated memory is still 1.0 GB. Free memory was 948.5 MB in the beginning and 945.8 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 10.61 ms. Allocated memory is still 1.0 GB. Free memory is still 945.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 153.42 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 139.5 MB). Free memory was 945.8 MB in the beginning and 1.1 GB in the end (delta: -182.1 MB). Peak memory consumption was 14.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 163.89 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: 13.5 MB). Peak memory consumption was 13.5 MB. Max. memory is 11.5 GB. * Witness Printer took 3.33 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: 15]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 14, overapproximation of someBinaryArithmeticFLOAToperation at line 12. Possible FailurePath: [L6] float IN = __VERIFIER_nondet_float(); [L9] float x = IN; [L11-L12] float result = 1.0f + 0.5f*x - 0.125f*x*x + 0.0625f*x*x*x - 0.0390625f*x*x*x*x; VAL [IN=0, x=0] [L14] COND TRUE !(result >= 0.0f && result < 1.398f) VAL [IN=0, x=0] [L15] __VERIFIER_error() VAL [IN=0, x=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 13 locations, 1 error locations. UNSAFE Result, 0.1s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=13occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: 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 0.1.23-aa41828 [2018-11-23 12:56:30,628 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 12:56:30,629 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 12:56:30,637 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 12:56:30,637 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 12:56:30,638 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 12:56:30,638 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 12:56:30,639 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 12:56:30,641 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 12:56:30,641 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 12:56:30,642 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 12:56:30,642 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 12:56:30,643 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 12:56:30,644 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 12:56:30,644 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 12:56:30,645 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 12:56:30,645 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 12:56:30,647 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 12:56:30,649 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 12:56:30,650 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 12:56:30,651 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 12:56:30,651 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 12:56:30,654 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 12:56:30,654 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 12:56:30,654 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 12:56:30,655 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 12:56:30,656 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 12:56:30,656 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 12:56:30,657 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 12:56:30,657 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 12:56:30,657 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 12:56:30,658 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 12:56:30,658 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 12:56:30,658 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 12:56:30,659 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 12:56:30,660 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 12:56:30,660 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_461c7e76-d648-48f5-9567-04a8f03675cd/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-11-23 12:56:30,671 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 12:56:30,671 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 12:56:30,671 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 12:56:30,672 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 12:56:30,672 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 12:56:30,672 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 12:56:30,672 INFO L133 SettingsManager]: * Use SBE=true [2018-11-23 12:56:30,672 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 12:56:30,673 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 12:56:30,673 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 12:56:30,673 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 12:56:30,673 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 12:56:30,673 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 12:56:30,673 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 12:56:30,673 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-23 12:56:30,673 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-23 12:56:30,674 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 12:56:30,674 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 12:56:30,674 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 12:56:30,674 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 12:56:30,674 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 12:56:30,674 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 12:56:30,674 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 12:56:30,674 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 12:56:30,675 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 12:56:30,675 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 12:56:30,675 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 12:56:30,675 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 12:56:30,675 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-11-23 12:56:30,675 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 12:56:30,675 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-23 12:56:30,675 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-23 12:56:30,675 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 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/working_dir_461c7e76-d648-48f5-9567-04a8f03675cd/bin-2019/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 -> 30af8e98893bfcc9c7b0879f6e0cde9a5cbf7714 [2018-11-23 12:56:30,705 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 12:56:30,712 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 12:56:30,714 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 12:56:30,715 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 12:56:30,716 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 12:56:30,716 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_461c7e76-d648-48f5-9567-04a8f03675cd/bin-2019/uautomizer/../../sv-benchmarks/c/floats-cdfpl/square_2_false-unreach-call_true-termination.i [2018-11-23 12:56:30,751 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_461c7e76-d648-48f5-9567-04a8f03675cd/bin-2019/uautomizer/data/c7c031375/4930370e0343456486389b5820aecd81/FLAG706d32b76 [2018-11-23 12:56:31,070 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 12:56:31,070 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_461c7e76-d648-48f5-9567-04a8f03675cd/sv-benchmarks/c/floats-cdfpl/square_2_false-unreach-call_true-termination.i [2018-11-23 12:56:31,073 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_461c7e76-d648-48f5-9567-04a8f03675cd/bin-2019/uautomizer/data/c7c031375/4930370e0343456486389b5820aecd81/FLAG706d32b76 [2018-11-23 12:56:31,509 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_461c7e76-d648-48f5-9567-04a8f03675cd/bin-2019/uautomizer/data/c7c031375/4930370e0343456486389b5820aecd81 [2018-11-23 12:56:31,511 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 12:56:31,512 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 12:56:31,513 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 12:56:31,513 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 12:56:31,516 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 12:56:31,516 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:56:31" (1/1) ... [2018-11-23 12:56:31,519 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29d0518e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:56:31, skipping insertion in model container [2018-11-23 12:56:31,519 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:56:31" (1/1) ... [2018-11-23 12:56:31,527 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 12:56:31,539 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 12:56:31,652 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 12:56:31,658 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 12:56:31,671 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 12:56:31,683 INFO L195 MainTranslator]: Completed translation [2018-11-23 12:56:31,683 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:56:31 WrapperNode [2018-11-23 12:56:31,683 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 12:56:31,684 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 12:56:31,684 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 12:56:31,684 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 12:56:31,690 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:56:31" (1/1) ... [2018-11-23 12:56:31,695 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:56:31" (1/1) ... [2018-11-23 12:56:31,699 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 12:56:31,700 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 12:56:31,700 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 12:56:31,700 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 12:56:31,705 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:56:31" (1/1) ... [2018-11-23 12:56:31,705 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:56:31" (1/1) ... [2018-11-23 12:56:31,706 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:56:31" (1/1) ... [2018-11-23 12:56:31,706 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:56:31" (1/1) ... [2018-11-23 12:56:31,710 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:56:31" (1/1) ... [2018-11-23 12:56:31,711 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:56:31" (1/1) ... [2018-11-23 12:56:31,712 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:56:31" (1/1) ... [2018-11-23 12:56:31,714 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 12:56:31,714 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 12:56:31,714 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 12:56:31,714 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 12:56:31,715 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:56:31" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_461c7e76-d648-48f5-9567-04a8f03675cd/bin-2019/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 [2018-11-23 12:56:31,797 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 12:56:31,797 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 12:56:31,797 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 12:56:31,797 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 12:56:31,797 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 12:56:31,797 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 12:56:33,944 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 12:56:33,945 INFO L280 CfgBuilder]: Removed 0 assue(true) statements. [2018-11-23 12:56:33,945 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:56:33 BoogieIcfgContainer [2018-11-23 12:56:33,945 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 12:56:33,946 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 12:56:33,946 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 12:56:33,948 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 12:56:33,949 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 12:56:31" (1/3) ... [2018-11-23 12:56:33,949 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@499c89c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 12:56:33, skipping insertion in model container [2018-11-23 12:56:33,949 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:56:31" (2/3) ... [2018-11-23 12:56:33,950 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@499c89c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 12:56:33, skipping insertion in model container [2018-11-23 12:56:33,950 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:56:33" (3/3) ... [2018-11-23 12:56:33,951 INFO L112 eAbstractionObserver]: Analyzing ICFG square_2_false-unreach-call_true-termination.i [2018-11-23 12:56:33,957 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 12:56:33,961 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 12:56:33,969 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 12:56:33,986 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-23 12:56:33,986 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 12:56:33,987 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 12:56:33,987 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 12:56:33,987 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 12:56:33,987 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 12:56:33,987 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 12:56:33,987 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 12:56:33,988 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 12:56:34,000 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states. [2018-11-23 12:56:34,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-11-23 12:56:34,004 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 12:56:34,004 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-23 12:56:34,006 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 12:56:34,009 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:56:34,009 INFO L82 PathProgramCache]: Analyzing trace with hash -2109216782, now seen corresponding path program 1 times [2018-11-23 12:56:34,012 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-23 12:56:34,012 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_461c7e76-d648-48f5-9567-04a8f03675cd/bin-2019/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 [2018-11-23 12:56:34,016 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:57:05,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 12:57:50,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 12:57:50,287 INFO L469 BasicCegarLoop]: Counterexample might be feasible ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator [?] CALL call ULTIMATE.init(); [?] assume true; [?] RET #16#return; [?] CALL call #t~ret2 := main(); [?] ~IN~0 := #t~nondet1;havoc #t~nondet1;assume 0bv32 != (if ~fp.geq~FLOAT(~IN~0, ~Pluszero~FLOAT()) && ~fp.lt~FLOAT(~IN~0, ~to_fp~FLOAT(~roundNearestTiesToEven, 1.0)) then 1bv32 else 0bv32);~x~0 := ~IN~0;~result~0 := ~fp.sub~FLOAT(~roundNearestTiesToEven, ~fp.add~FLOAT(~roundNearestTiesToEven, ~fp.sub~FLOAT(~roundNearestTiesToEven, ~fp.add~FLOAT(~roundNearestTiesToEven, ~to_fp~FLOAT(~roundNearestTiesToEven, 1.0), ~fp.mul~FLOAT(~roundNearestTiesToEven, ~to_fp~FLOAT(~roundNearestTiesToEven, 0.5), ~x~0)), ~fp.mul~FLOAT(~roundNearestTiesToEven, ~fp.mul~FLOAT(~roundNearestTiesToEven, ~to_fp~FLOAT(~roundNearestTiesToEven, 0.125), ~x~0), ~x~0)), ~fp.mul~FLOAT(~roundNearestTiesToEven, ~fp.mul~FLOAT(~roundNearestTiesToEven, ~fp.mul~FLOAT(~roundNearestTiesToEven, ~to_fp~FLOAT(~roundNearestTiesToEven, 0.0625), ~x~0), ~x~0), ~x~0)), ~fp.mul~FLOAT(~roundNearestTiesToEven, ~fp.mul~FLOAT(~roundNearestTiesToEven, ~fp.mul~FLOAT(~roundNearestTiesToEven, ~fp.mul~FLOAT(~roundNearestTiesToEven, ~to_fp~FLOAT(~roundNearestTiesToEven, 0.0390625), ~x~0), ~x~0), ~x~0), ~x~0)); VAL [main_~IN~0=(fp #b0 #b01111110 #b11111111111111111111110), main_~result~0=(fp #b0 #b01111111 #b01100110000000000000000), main_~x~0=(fp #b0 #b01111110 #b11111111111111111111110)] [?] assume !(~fp.geq~FLOAT(~result~0, ~Pluszero~FLOAT()) && ~fp.lt~FLOAT(~result~0, ~to_fp~FLOAT(~roundNearestTiesToEven, 1.398))); VAL [main_~IN~0=(fp #b0 #b01111110 #b11111111111111111111110), main_~result~0=(fp #b0 #b01111111 #b01100110000000000000000), main_~x~0=(fp #b0 #b01111110 #b11111111111111111111110)] [?] assume !false; VAL [main_~IN~0=(fp #b0 #b01111110 #b11111111111111111111110), main_~result~0=(fp #b0 #b01111111 #b01100110000000000000000), main_~x~0=(fp #b0 #b01111110 #b11111111111111111111110)] [?] CALL call ULTIMATE.init(); [?] ensures true; [?] RET call ULTIMATE.init(); [?] CALL call #t~ret2 := main(); [L6] ~IN~0 := #t~nondet1; [L6] havoc #t~nondet1; [L7] assume 0bv32 != (if ~fp.geq~FLOAT(~IN~0, ~Pluszero~FLOAT()) && ~fp.lt~FLOAT(~IN~0, ~to_fp~FLOAT(~roundNearestTiesToEven, 1.0)) then 1bv32 else 0bv32); [L9] ~x~0 := ~IN~0; [L11-L12] ~result~0 := ~fp.sub~FLOAT(~roundNearestTiesToEven, ~fp.add~FLOAT(~roundNearestTiesToEven, ~fp.sub~FLOAT(~roundNearestTiesToEven, ~fp.add~FLOAT(~roundNearestTiesToEven, ~to_fp~FLOAT(~roundNearestTiesToEven, 1.0), ~fp.mul~FLOAT(~roundNearestTiesToEven, ~to_fp~FLOAT(~roundNearestTiesToEven, 0.5), ~x~0)), ~fp.mul~FLOAT(~roundNearestTiesToEven, ~fp.mul~FLOAT(~roundNearestTiesToEven, ~to_fp~FLOAT(~roundNearestTiesToEven, 0.125), ~x~0), ~x~0)), ~fp.mul~FLOAT(~roundNearestTiesToEven, ~fp.mul~FLOAT(~roundNearestTiesToEven, ~fp.mul~FLOAT(~roundNearestTiesToEven, ~to_fp~FLOAT(~roundNearestTiesToEven, 0.0625), ~x~0), ~x~0), ~x~0)), ~fp.mul~FLOAT(~roundNearestTiesToEven, ~fp.mul~FLOAT(~roundNearestTiesToEven, ~fp.mul~FLOAT(~roundNearestTiesToEven, ~fp.mul~FLOAT(~roundNearestTiesToEven, ~to_fp~FLOAT(~roundNearestTiesToEven, 0.0390625), ~x~0), ~x~0), ~x~0), ~x~0)); VAL [~IN~0=~fp~LONGDOUBLE(0bv1, 126bv8, 8388606bv23), ~result~0=~fp~LONGDOUBLE(0bv1, 127bv8, 3342336bv23), ~x~0=~fp~LONGDOUBLE(0bv1, 126bv8, 8388606bv23)] [L14-L15] assume !(~fp.geq~FLOAT(~result~0, ~Pluszero~FLOAT()) && ~fp.lt~FLOAT(~result~0, ~to_fp~FLOAT(~roundNearestTiesToEven, 1.398))); VAL [~IN~0=~fp~LONGDOUBLE(0bv1, 126bv8, 8388606bv23), ~result~0=~fp~LONGDOUBLE(0bv1, 127bv8, 3342336bv23), ~x~0=~fp~LONGDOUBLE(0bv1, 126bv8, 8388606bv23)] [L15] assert false; VAL [~IN~0=~fp~LONGDOUBLE(0bv1, 126bv8, 8388606bv23), ~result~0=~fp~LONGDOUBLE(0bv1, 127bv8, 3342336bv23), ~x~0=~fp~LONGDOUBLE(0bv1, 126bv8, 8388606bv23)] ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.preprocessor.BoogiePreprocessorBacktranslator [?] CALL call ULTIMATE.init(); [?] ensures true; [?] RET call ULTIMATE.init(); [?] CALL call #t~ret2 := main(); [L6] ~IN~0 := #t~nondet1; [L6] havoc #t~nondet1; [L7] assume 0bv32 != (if ~fp.geq~FLOAT(~IN~0, ~Pluszero~FLOAT()) && ~fp.lt~FLOAT(~IN~0, ~to_fp~FLOAT(~roundNearestTiesToEven, 1.0)) then 1bv32 else 0bv32); [L9] ~x~0 := ~IN~0; [L11-L12] ~result~0 := ~fp.sub~FLOAT(~roundNearestTiesToEven, ~fp.add~FLOAT(~roundNearestTiesToEven, ~fp.sub~FLOAT(~roundNearestTiesToEven, ~fp.add~FLOAT(~roundNearestTiesToEven, ~to_fp~FLOAT(~roundNearestTiesToEven, 1.0), ~fp.mul~FLOAT(~roundNearestTiesToEven, ~to_fp~FLOAT(~roundNearestTiesToEven, 0.5), ~x~0)), ~fp.mul~FLOAT(~roundNearestTiesToEven, ~fp.mul~FLOAT(~roundNearestTiesToEven, ~to_fp~FLOAT(~roundNearestTiesToEven, 0.125), ~x~0), ~x~0)), ~fp.mul~FLOAT(~roundNearestTiesToEven, ~fp.mul~FLOAT(~roundNearestTiesToEven, ~fp.mul~FLOAT(~roundNearestTiesToEven, ~to_fp~FLOAT(~roundNearestTiesToEven, 0.0625), ~x~0), ~x~0), ~x~0)), ~fp.mul~FLOAT(~roundNearestTiesToEven, ~fp.mul~FLOAT(~roundNearestTiesToEven, ~fp.mul~FLOAT(~roundNearestTiesToEven, ~fp.mul~FLOAT(~roundNearestTiesToEven, ~to_fp~FLOAT(~roundNearestTiesToEven, 0.0390625), ~x~0), ~x~0), ~x~0), ~x~0)); VAL [~IN~0=~fp~LONGDOUBLE(0bv1, 126bv8, 8388606bv23), ~result~0=~fp~LONGDOUBLE(0bv1, 127bv8, 3342336bv23), ~x~0=~fp~LONGDOUBLE(0bv1, 126bv8, 8388606bv23)] [L14-L15] assume !(~fp.geq~FLOAT(~result~0, ~Pluszero~FLOAT()) && ~fp.lt~FLOAT(~result~0, ~to_fp~FLOAT(~roundNearestTiesToEven, 1.398))); VAL [~IN~0=~fp~LONGDOUBLE(0bv1, 126bv8, 8388606bv23), ~result~0=~fp~LONGDOUBLE(0bv1, 127bv8, 3342336bv23), ~x~0=~fp~LONGDOUBLE(0bv1, 126bv8, 8388606bv23)] [L15] assert false; VAL [~IN~0=~fp~LONGDOUBLE(0bv1, 126bv8, 8388606bv23), ~result~0=~fp~LONGDOUBLE(0bv1, 127bv8, 3342336bv23), ~x~0=~fp~LONGDOUBLE(0bv1, 126bv8, 8388606bv23)] [?] CALL call ULTIMATE.init(); [?] RET call ULTIMATE.init(); [?] CALL call #t~ret2 := main(); [L6] ~IN~0 := #t~nondet1; [L6] havoc #t~nondet1; [L7] assume 0bv32 != (if ~fp.geq~FLOAT(~IN~0, ~Pluszero~FLOAT()) && ~fp.lt~FLOAT(~IN~0, ~to_fp~FLOAT(~roundNearestTiesToEven, 1.0)) then 1bv32 else 0bv32); [L9] ~x~0 := ~IN~0; [L11-L12] ~result~0 := ~fp.sub~FLOAT(~roundNearestTiesToEven, ~fp.add~FLOAT(~roundNearestTiesToEven, ~fp.sub~FLOAT(~roundNearestTiesToEven, ~fp.add~FLOAT(~roundNearestTiesToEven, ~to_fp~FLOAT(~roundNearestTiesToEven, 1.0), ~fp.mul~FLOAT(~roundNearestTiesToEven, ~to_fp~FLOAT(~roundNearestTiesToEven, 0.5), ~x~0)), ~fp.mul~FLOAT(~roundNearestTiesToEven, ~fp.mul~FLOAT(~roundNearestTiesToEven, ~to_fp~FLOAT(~roundNearestTiesToEven, 0.125), ~x~0), ~x~0)), ~fp.mul~FLOAT(~roundNearestTiesToEven, ~fp.mul~FLOAT(~roundNearestTiesToEven, ~fp.mul~FLOAT(~roundNearestTiesToEven, ~to_fp~FLOAT(~roundNearestTiesToEven, 0.0625), ~x~0), ~x~0), ~x~0)), ~fp.mul~FLOAT(~roundNearestTiesToEven, ~fp.mul~FLOAT(~roundNearestTiesToEven, ~fp.mul~FLOAT(~roundNearestTiesToEven, ~fp.mul~FLOAT(~roundNearestTiesToEven, ~to_fp~FLOAT(~roundNearestTiesToEven, 0.0390625), ~x~0), ~x~0), ~x~0), ~x~0)); VAL [~IN~0=~fp~LONGDOUBLE(0bv1, 126bv8, 8388606bv23), ~result~0=~fp~LONGDOUBLE(0bv1, 127bv8, 3342336bv23), ~x~0=~fp~LONGDOUBLE(0bv1, 126bv8, 8388606bv23)] [L14] COND TRUE !(~fp.geq~FLOAT(~result~0, ~Pluszero~FLOAT()) && ~fp.lt~FLOAT(~result~0, ~to_fp~FLOAT(~roundNearestTiesToEven, 1.398))) VAL [~IN~0=~fp~LONGDOUBLE(0bv1, 126bv8, 8388606bv23), ~result~0=~fp~LONGDOUBLE(0bv1, 127bv8, 3342336bv23), ~x~0=~fp~LONGDOUBLE(0bv1, 126bv8, 8388606bv23)] [L15] assert false; VAL [~IN~0=~fp~LONGDOUBLE(0bv1, 126bv8, 8388606bv23), ~result~0=~fp~LONGDOUBLE(0bv1, 127bv8, 3342336bv23), ~x~0=~fp~LONGDOUBLE(0bv1, 126bv8, 8388606bv23)] ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator [?] CALL call ULTIMATE.init(); [?] RET call ULTIMATE.init(); [?] CALL call #t~ret2 := main(); [L6] ~IN~0 := #t~nondet1; [L6] havoc #t~nondet1; [L7] assume 0bv32 != (if ~fp.geq~FLOAT(~IN~0, ~Pluszero~FLOAT()) && ~fp.lt~FLOAT(~IN~0, ~to_fp~FLOAT(~roundNearestTiesToEven, 1.0)) then 1bv32 else 0bv32); [L9] ~x~0 := ~IN~0; [L11-L12] ~result~0 := ~fp.sub~FLOAT(~roundNearestTiesToEven, ~fp.add~FLOAT(~roundNearestTiesToEven, ~fp.sub~FLOAT(~roundNearestTiesToEven, ~fp.add~FLOAT(~roundNearestTiesToEven, ~to_fp~FLOAT(~roundNearestTiesToEven, 1.0), ~fp.mul~FLOAT(~roundNearestTiesToEven, ~to_fp~FLOAT(~roundNearestTiesToEven, 0.5), ~x~0)), ~fp.mul~FLOAT(~roundNearestTiesToEven, ~fp.mul~FLOAT(~roundNearestTiesToEven, ~to_fp~FLOAT(~roundNearestTiesToEven, 0.125), ~x~0), ~x~0)), ~fp.mul~FLOAT(~roundNearestTiesToEven, ~fp.mul~FLOAT(~roundNearestTiesToEven, ~fp.mul~FLOAT(~roundNearestTiesToEven, ~to_fp~FLOAT(~roundNearestTiesToEven, 0.0625), ~x~0), ~x~0), ~x~0)), ~fp.mul~FLOAT(~roundNearestTiesToEven, ~fp.mul~FLOAT(~roundNearestTiesToEven, ~fp.mul~FLOAT(~roundNearestTiesToEven, ~fp.mul~FLOAT(~roundNearestTiesToEven, ~to_fp~FLOAT(~roundNearestTiesToEven, 0.0390625), ~x~0), ~x~0), ~x~0), ~x~0)); VAL [~IN~0=~fp~LONGDOUBLE(0bv1, 126bv8, 8388606bv23), ~result~0=~fp~LONGDOUBLE(0bv1, 127bv8, 3342336bv23), ~x~0=~fp~LONGDOUBLE(0bv1, 126bv8, 8388606bv23)] [L14] COND TRUE !(~fp.geq~FLOAT(~result~0, ~Pluszero~FLOAT()) && ~fp.lt~FLOAT(~result~0, ~to_fp~FLOAT(~roundNearestTiesToEven, 1.398))) VAL [~IN~0=~fp~LONGDOUBLE(0bv1, 126bv8, 8388606bv23), ~result~0=~fp~LONGDOUBLE(0bv1, 127bv8, 3342336bv23), ~x~0=~fp~LONGDOUBLE(0bv1, 126bv8, 8388606bv23)] [L15] assert false; VAL [~IN~0=~fp~LONGDOUBLE(0bv1, 126bv8, 8388606bv23), ~result~0=~fp~LONGDOUBLE(0bv1, 127bv8, 3342336bv23), ~x~0=~fp~LONGDOUBLE(0bv1, 126bv8, 8388606bv23)] [?] CALL call ULTIMATE.init(); [?] RET call ULTIMATE.init(); [?] CALL call #t~ret2 := main(); [L6] ~IN~0 := #t~nondet1; [L6] havoc #t~nondet1; [L7] assume 0bv32 != (if ~fp.geq~FLOAT(~IN~0, ~Pluszero~FLOAT()) && ~fp.lt~FLOAT(~IN~0, ~to_fp~FLOAT(~roundNearestTiesToEven, 1.0)) then 1bv32 else 0bv32); [L9] ~x~0 := ~IN~0; [L11-L12] ~result~0 := ~fp.sub~FLOAT(~roundNearestTiesToEven, ~fp.add~FLOAT(~roundNearestTiesToEven, ~fp.sub~FLOAT(~roundNearestTiesToEven, ~fp.add~FLOAT(~roundNearestTiesToEven, ~to_fp~FLOAT(~roundNearestTiesToEven, 1.0), ~fp.mul~FLOAT(~roundNearestTiesToEven, ~to_fp~FLOAT(~roundNearestTiesToEven, 0.5), ~x~0)), ~fp.mul~FLOAT(~roundNearestTiesToEven, ~fp.mul~FLOAT(~roundNearestTiesToEven, ~to_fp~FLOAT(~roundNearestTiesToEven, 0.125), ~x~0), ~x~0)), ~fp.mul~FLOAT(~roundNearestTiesToEven, ~fp.mul~FLOAT(~roundNearestTiesToEven, ~fp.mul~FLOAT(~roundNearestTiesToEven, ~to_fp~FLOAT(~roundNearestTiesToEven, 0.0625), ~x~0), ~x~0), ~x~0)), ~fp.mul~FLOAT(~roundNearestTiesToEven, ~fp.mul~FLOAT(~roundNearestTiesToEven, ~fp.mul~FLOAT(~roundNearestTiesToEven, ~fp.mul~FLOAT(~roundNearestTiesToEven, ~to_fp~FLOAT(~roundNearestTiesToEven, 0.0390625), ~x~0), ~x~0), ~x~0), ~x~0)); VAL [~IN~0=~fp~LONGDOUBLE(0bv1, 126bv8, 8388606bv23), ~result~0=~fp~LONGDOUBLE(0bv1, 127bv8, 3342336bv23), ~x~0=~fp~LONGDOUBLE(0bv1, 126bv8, 8388606bv23)] [L14] COND TRUE !(~fp.geq~FLOAT(~result~0, ~Pluszero~FLOAT()) && ~fp.lt~FLOAT(~result~0, ~to_fp~FLOAT(~roundNearestTiesToEven, 1.398))) VAL [~IN~0=~fp~LONGDOUBLE(0bv1, 126bv8, 8388606bv23), ~result~0=~fp~LONGDOUBLE(0bv1, 127bv8, 3342336bv23), ~x~0=~fp~LONGDOUBLE(0bv1, 126bv8, 8388606bv23)] [L15] assert false; VAL [~IN~0=~fp~LONGDOUBLE(0bv1, 126bv8, 8388606bv23), ~result~0=~fp~LONGDOUBLE(0bv1, 127bv8, 3342336bv23), ~x~0=~fp~LONGDOUBLE(0bv1, 126bv8, 8388606bv23)] ----- ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieBacktranslator [?] CALL call ULTIMATE.init(); [?] RET call ULTIMATE.init(); [?] CALL call #t~ret2 := main(); [L6] ~IN~0 := #t~nondet1; [L6] havoc #t~nondet1; [L7] assume 0bv32 != (if ~fp.geq~FLOAT(~IN~0, ~Pluszero~FLOAT()) && ~fp.lt~FLOAT(~IN~0, ~to_fp~FLOAT(~roundNearestTiesToEven, 1.0)) then 1bv32 else 0bv32); [L9] ~x~0 := ~IN~0; [L11-L12] ~result~0 := ~fp.sub~FLOAT(~roundNearestTiesToEven, ~fp.add~FLOAT(~roundNearestTiesToEven, ~fp.sub~FLOAT(~roundNearestTiesToEven, ~fp.add~FLOAT(~roundNearestTiesToEven, ~to_fp~FLOAT(~roundNearestTiesToEven, 1.0), ~fp.mul~FLOAT(~roundNearestTiesToEven, ~to_fp~FLOAT(~roundNearestTiesToEven, 0.5), ~x~0)), ~fp.mul~FLOAT(~roundNearestTiesToEven, ~fp.mul~FLOAT(~roundNearestTiesToEven, ~to_fp~FLOAT(~roundNearestTiesToEven, 0.125), ~x~0), ~x~0)), ~fp.mul~FLOAT(~roundNearestTiesToEven, ~fp.mul~FLOAT(~roundNearestTiesToEven, ~fp.mul~FLOAT(~roundNearestTiesToEven, ~to_fp~FLOAT(~roundNearestTiesToEven, 0.0625), ~x~0), ~x~0), ~x~0)), ~fp.mul~FLOAT(~roundNearestTiesToEven, ~fp.mul~FLOAT(~roundNearestTiesToEven, ~fp.mul~FLOAT(~roundNearestTiesToEven, ~fp.mul~FLOAT(~roundNearestTiesToEven, ~to_fp~FLOAT(~roundNearestTiesToEven, 0.0390625), ~x~0), ~x~0), ~x~0), ~x~0)); VAL [~IN~0=~fp~LONGDOUBLE(0bv1, 126bv8, 8388606bv23), ~result~0=~fp~LONGDOUBLE(0bv1, 127bv8, 3342336bv23), ~x~0=~fp~LONGDOUBLE(0bv1, 126bv8, 8388606bv23)] [L14] COND TRUE !(~fp.geq~FLOAT(~result~0, ~Pluszero~FLOAT()) && ~fp.lt~FLOAT(~result~0, ~to_fp~FLOAT(~roundNearestTiesToEven, 1.398))) VAL [~IN~0=~fp~LONGDOUBLE(0bv1, 126bv8, 8388606bv23), ~result~0=~fp~LONGDOUBLE(0bv1, 127bv8, 3342336bv23), ~x~0=~fp~LONGDOUBLE(0bv1, 126bv8, 8388606bv23)] [L15] assert false; VAL [~IN~0=~fp~LONGDOUBLE(0bv1, 126bv8, 8388606bv23), ~result~0=~fp~LONGDOUBLE(0bv1, 127bv8, 3342336bv23), ~x~0=~fp~LONGDOUBLE(0bv1, 126bv8, 8388606bv23)] [L6] float IN = __VERIFIER_nondet_float(); [L9] float x = IN; [L11-L12] float result = 1.0f + 0.5f*x - 0.125f*x*x + 0.0625f*x*x*x - 0.0390625f*x*x*x*x; VAL [IN=0.9999998807907104, result=1.3984375, x=0.9999998807907104] [L14] COND TRUE !(result >= 0.0f && result < 1.398f) VAL [IN=0.9999998807907104, result=1.3984375, x=0.9999998807907104] [L15] __VERIFIER_error() VAL [IN=0.9999998807907104, result=1.3984375, x=0.9999998807907104] ----- [2018-11-23 12:57:50,310 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 12:57:50 BoogieIcfgContainer [2018-11-23 12:57:50,310 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 12:57:50,310 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 12:57:50,310 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 12:57:50,310 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 12:57:50,311 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:56:33" (3/4) ... [2018-11-23 12:57:50,312 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator [?] CALL call ULTIMATE.init(); [?] assume true; [?] RET #16#return; [?] CALL call #t~ret2 := main(); [?] ~IN~0 := #t~nondet1;havoc #t~nondet1;assume 0bv32 != (if ~fp.geq~FLOAT(~IN~0, ~Pluszero~FLOAT()) && ~fp.lt~FLOAT(~IN~0, ~to_fp~FLOAT(~roundNearestTiesToEven, 1.0)) then 1bv32 else 0bv32);~x~0 := ~IN~0;~result~0 := ~fp.sub~FLOAT(~roundNearestTiesToEven, ~fp.add~FLOAT(~roundNearestTiesToEven, ~fp.sub~FLOAT(~roundNearestTiesToEven, ~fp.add~FLOAT(~roundNearestTiesToEven, ~to_fp~FLOAT(~roundNearestTiesToEven, 1.0), ~fp.mul~FLOAT(~roundNearestTiesToEven, ~to_fp~FLOAT(~roundNearestTiesToEven, 0.5), ~x~0)), ~fp.mul~FLOAT(~roundNearestTiesToEven, ~fp.mul~FLOAT(~roundNearestTiesToEven, ~to_fp~FLOAT(~roundNearestTiesToEven, 0.125), ~x~0), ~x~0)), ~fp.mul~FLOAT(~roundNearestTiesToEven, ~fp.mul~FLOAT(~roundNearestTiesToEven, ~fp.mul~FLOAT(~roundNearestTiesToEven, ~to_fp~FLOAT(~roundNearestTiesToEven, 0.0625), ~x~0), ~x~0), ~x~0)), ~fp.mul~FLOAT(~roundNearestTiesToEven, ~fp.mul~FLOAT(~roundNearestTiesToEven, ~fp.mul~FLOAT(~roundNearestTiesToEven, ~fp.mul~FLOAT(~roundNearestTiesToEven, ~to_fp~FLOAT(~roundNearestTiesToEven, 0.0390625), ~x~0), ~x~0), ~x~0), ~x~0)); VAL [main_~IN~0=(fp #b0 #b01111110 #b11111111111111111111110), main_~result~0=(fp #b0 #b01111111 #b01100110000000000000000), main_~x~0=(fp #b0 #b01111110 #b11111111111111111111110)] [?] assume !(~fp.geq~FLOAT(~result~0, ~Pluszero~FLOAT()) && ~fp.lt~FLOAT(~result~0, ~to_fp~FLOAT(~roundNearestTiesToEven, 1.398))); VAL [main_~IN~0=(fp #b0 #b01111110 #b11111111111111111111110), main_~result~0=(fp #b0 #b01111111 #b01100110000000000000000), main_~x~0=(fp #b0 #b01111110 #b11111111111111111111110)] [?] assume !false; VAL [main_~IN~0=(fp #b0 #b01111110 #b11111111111111111111110), main_~result~0=(fp #b0 #b01111111 #b01100110000000000000000), main_~x~0=(fp #b0 #b01111110 #b11111111111111111111110)] [?] CALL call ULTIMATE.init(); [?] ensures true; [?] RET call ULTIMATE.init(); [?] CALL call #t~ret2 := main(); [L6] ~IN~0 := #t~nondet1; [L6] havoc #t~nondet1; [L7] assume 0bv32 != (if ~fp.geq~FLOAT(~IN~0, ~Pluszero~FLOAT()) && ~fp.lt~FLOAT(~IN~0, ~to_fp~FLOAT(~roundNearestTiesToEven, 1.0)) then 1bv32 else 0bv32); [L9] ~x~0 := ~IN~0; [L11-L12] ~result~0 := ~fp.sub~FLOAT(~roundNearestTiesToEven, ~fp.add~FLOAT(~roundNearestTiesToEven, ~fp.sub~FLOAT(~roundNearestTiesToEven, ~fp.add~FLOAT(~roundNearestTiesToEven, ~to_fp~FLOAT(~roundNearestTiesToEven, 1.0), ~fp.mul~FLOAT(~roundNearestTiesToEven, ~to_fp~FLOAT(~roundNearestTiesToEven, 0.5), ~x~0)), ~fp.mul~FLOAT(~roundNearestTiesToEven, ~fp.mul~FLOAT(~roundNearestTiesToEven, ~to_fp~FLOAT(~roundNearestTiesToEven, 0.125), ~x~0), ~x~0)), ~fp.mul~FLOAT(~roundNearestTiesToEven, ~fp.mul~FLOAT(~roundNearestTiesToEven, ~fp.mul~FLOAT(~roundNearestTiesToEven, ~to_fp~FLOAT(~roundNearestTiesToEven, 0.0625), ~x~0), ~x~0), ~x~0)), ~fp.mul~FLOAT(~roundNearestTiesToEven, ~fp.mul~FLOAT(~roundNearestTiesToEven, ~fp.mul~FLOAT(~roundNearestTiesToEven, ~fp.mul~FLOAT(~roundNearestTiesToEven, ~to_fp~FLOAT(~roundNearestTiesToEven, 0.0390625), ~x~0), ~x~0), ~x~0), ~x~0)); VAL [~IN~0=~fp~LONGDOUBLE(0bv1, 126bv8, 8388606bv23), ~result~0=~fp~LONGDOUBLE(0bv1, 127bv8, 3342336bv23), ~x~0=~fp~LONGDOUBLE(0bv1, 126bv8, 8388606bv23)] [L14-L15] assume !(~fp.geq~FLOAT(~result~0, ~Pluszero~FLOAT()) && ~fp.lt~FLOAT(~result~0, ~to_fp~FLOAT(~roundNearestTiesToEven, 1.398))); VAL [~IN~0=~fp~LONGDOUBLE(0bv1, 126bv8, 8388606bv23), ~result~0=~fp~LONGDOUBLE(0bv1, 127bv8, 3342336bv23), ~x~0=~fp~LONGDOUBLE(0bv1, 126bv8, 8388606bv23)] [L15] assert false; VAL [~IN~0=~fp~LONGDOUBLE(0bv1, 126bv8, 8388606bv23), ~result~0=~fp~LONGDOUBLE(0bv1, 127bv8, 3342336bv23), ~x~0=~fp~LONGDOUBLE(0bv1, 126bv8, 8388606bv23)] ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.preprocessor.BoogiePreprocessorBacktranslator [?] CALL call ULTIMATE.init(); [?] ensures true; [?] RET call ULTIMATE.init(); [?] CALL call #t~ret2 := main(); [L6] ~IN~0 := #t~nondet1; [L6] havoc #t~nondet1; [L7] assume 0bv32 != (if ~fp.geq~FLOAT(~IN~0, ~Pluszero~FLOAT()) && ~fp.lt~FLOAT(~IN~0, ~to_fp~FLOAT(~roundNearestTiesToEven, 1.0)) then 1bv32 else 0bv32); [L9] ~x~0 := ~IN~0; [L11-L12] ~result~0 := ~fp.sub~FLOAT(~roundNearestTiesToEven, ~fp.add~FLOAT(~roundNearestTiesToEven, ~fp.sub~FLOAT(~roundNearestTiesToEven, ~fp.add~FLOAT(~roundNearestTiesToEven, ~to_fp~FLOAT(~roundNearestTiesToEven, 1.0), ~fp.mul~FLOAT(~roundNearestTiesToEven, ~to_fp~FLOAT(~roundNearestTiesToEven, 0.5), ~x~0)), ~fp.mul~FLOAT(~roundNearestTiesToEven, ~fp.mul~FLOAT(~roundNearestTiesToEven, ~to_fp~FLOAT(~roundNearestTiesToEven, 0.125), ~x~0), ~x~0)), ~fp.mul~FLOAT(~roundNearestTiesToEven, ~fp.mul~FLOAT(~roundNearestTiesToEven, ~fp.mul~FLOAT(~roundNearestTiesToEven, ~to_fp~FLOAT(~roundNearestTiesToEven, 0.0625), ~x~0), ~x~0), ~x~0)), ~fp.mul~FLOAT(~roundNearestTiesToEven, ~fp.mul~FLOAT(~roundNearestTiesToEven, ~fp.mul~FLOAT(~roundNearestTiesToEven, ~fp.mul~FLOAT(~roundNearestTiesToEven, ~to_fp~FLOAT(~roundNearestTiesToEven, 0.0390625), ~x~0), ~x~0), ~x~0), ~x~0)); VAL [~IN~0=~fp~LONGDOUBLE(0bv1, 126bv8, 8388606bv23), ~result~0=~fp~LONGDOUBLE(0bv1, 127bv8, 3342336bv23), ~x~0=~fp~LONGDOUBLE(0bv1, 126bv8, 8388606bv23)] [L14-L15] assume !(~fp.geq~FLOAT(~result~0, ~Pluszero~FLOAT()) && ~fp.lt~FLOAT(~result~0, ~to_fp~FLOAT(~roundNearestTiesToEven, 1.398))); VAL [~IN~0=~fp~LONGDOUBLE(0bv1, 126bv8, 8388606bv23), ~result~0=~fp~LONGDOUBLE(0bv1, 127bv8, 3342336bv23), ~x~0=~fp~LONGDOUBLE(0bv1, 126bv8, 8388606bv23)] [L15] assert false; VAL [~IN~0=~fp~LONGDOUBLE(0bv1, 126bv8, 8388606bv23), ~result~0=~fp~LONGDOUBLE(0bv1, 127bv8, 3342336bv23), ~x~0=~fp~LONGDOUBLE(0bv1, 126bv8, 8388606bv23)] [?] CALL call ULTIMATE.init(); [?] RET call ULTIMATE.init(); [?] CALL call #t~ret2 := main(); [L6] ~IN~0 := #t~nondet1; [L6] havoc #t~nondet1; [L7] assume 0bv32 != (if ~fp.geq~FLOAT(~IN~0, ~Pluszero~FLOAT()) && ~fp.lt~FLOAT(~IN~0, ~to_fp~FLOAT(~roundNearestTiesToEven, 1.0)) then 1bv32 else 0bv32); [L9] ~x~0 := ~IN~0; [L11-L12] ~result~0 := ~fp.sub~FLOAT(~roundNearestTiesToEven, ~fp.add~FLOAT(~roundNearestTiesToEven, ~fp.sub~FLOAT(~roundNearestTiesToEven, ~fp.add~FLOAT(~roundNearestTiesToEven, ~to_fp~FLOAT(~roundNearestTiesToEven, 1.0), ~fp.mul~FLOAT(~roundNearestTiesToEven, ~to_fp~FLOAT(~roundNearestTiesToEven, 0.5), ~x~0)), ~fp.mul~FLOAT(~roundNearestTiesToEven, ~fp.mul~FLOAT(~roundNearestTiesToEven, ~to_fp~FLOAT(~roundNearestTiesToEven, 0.125), ~x~0), ~x~0)), ~fp.mul~FLOAT(~roundNearestTiesToEven, ~fp.mul~FLOAT(~roundNearestTiesToEven, ~fp.mul~FLOAT(~roundNearestTiesToEven, ~to_fp~FLOAT(~roundNearestTiesToEven, 0.0625), ~x~0), ~x~0), ~x~0)), ~fp.mul~FLOAT(~roundNearestTiesToEven, ~fp.mul~FLOAT(~roundNearestTiesToEven, ~fp.mul~FLOAT(~roundNearestTiesToEven, ~fp.mul~FLOAT(~roundNearestTiesToEven, ~to_fp~FLOAT(~roundNearestTiesToEven, 0.0390625), ~x~0), ~x~0), ~x~0), ~x~0)); VAL [~IN~0=~fp~LONGDOUBLE(0bv1, 126bv8, 8388606bv23), ~result~0=~fp~LONGDOUBLE(0bv1, 127bv8, 3342336bv23), ~x~0=~fp~LONGDOUBLE(0bv1, 126bv8, 8388606bv23)] [L14] COND TRUE !(~fp.geq~FLOAT(~result~0, ~Pluszero~FLOAT()) && ~fp.lt~FLOAT(~result~0, ~to_fp~FLOAT(~roundNearestTiesToEven, 1.398))) VAL [~IN~0=~fp~LONGDOUBLE(0bv1, 126bv8, 8388606bv23), ~result~0=~fp~LONGDOUBLE(0bv1, 127bv8, 3342336bv23), ~x~0=~fp~LONGDOUBLE(0bv1, 126bv8, 8388606bv23)] [L15] assert false; VAL [~IN~0=~fp~LONGDOUBLE(0bv1, 126bv8, 8388606bv23), ~result~0=~fp~LONGDOUBLE(0bv1, 127bv8, 3342336bv23), ~x~0=~fp~LONGDOUBLE(0bv1, 126bv8, 8388606bv23)] ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator [?] CALL call ULTIMATE.init(); [?] RET call ULTIMATE.init(); [?] CALL call #t~ret2 := main(); [L6] ~IN~0 := #t~nondet1; [L6] havoc #t~nondet1; [L7] assume 0bv32 != (if ~fp.geq~FLOAT(~IN~0, ~Pluszero~FLOAT()) && ~fp.lt~FLOAT(~IN~0, ~to_fp~FLOAT(~roundNearestTiesToEven, 1.0)) then 1bv32 else 0bv32); [L9] ~x~0 := ~IN~0; [L11-L12] ~result~0 := ~fp.sub~FLOAT(~roundNearestTiesToEven, ~fp.add~FLOAT(~roundNearestTiesToEven, ~fp.sub~FLOAT(~roundNearestTiesToEven, ~fp.add~FLOAT(~roundNearestTiesToEven, ~to_fp~FLOAT(~roundNearestTiesToEven, 1.0), ~fp.mul~FLOAT(~roundNearestTiesToEven, ~to_fp~FLOAT(~roundNearestTiesToEven, 0.5), ~x~0)), ~fp.mul~FLOAT(~roundNearestTiesToEven, ~fp.mul~FLOAT(~roundNearestTiesToEven, ~to_fp~FLOAT(~roundNearestTiesToEven, 0.125), ~x~0), ~x~0)), ~fp.mul~FLOAT(~roundNearestTiesToEven, ~fp.mul~FLOAT(~roundNearestTiesToEven, ~fp.mul~FLOAT(~roundNearestTiesToEven, ~to_fp~FLOAT(~roundNearestTiesToEven, 0.0625), ~x~0), ~x~0), ~x~0)), ~fp.mul~FLOAT(~roundNearestTiesToEven, ~fp.mul~FLOAT(~roundNearestTiesToEven, ~fp.mul~FLOAT(~roundNearestTiesToEven, ~fp.mul~FLOAT(~roundNearestTiesToEven, ~to_fp~FLOAT(~roundNearestTiesToEven, 0.0390625), ~x~0), ~x~0), ~x~0), ~x~0)); VAL [~IN~0=~fp~LONGDOUBLE(0bv1, 126bv8, 8388606bv23), ~result~0=~fp~LONGDOUBLE(0bv1, 127bv8, 3342336bv23), ~x~0=~fp~LONGDOUBLE(0bv1, 126bv8, 8388606bv23)] [L14] COND TRUE !(~fp.geq~FLOAT(~result~0, ~Pluszero~FLOAT()) && ~fp.lt~FLOAT(~result~0, ~to_fp~FLOAT(~roundNearestTiesToEven, 1.398))) VAL [~IN~0=~fp~LONGDOUBLE(0bv1, 126bv8, 8388606bv23), ~result~0=~fp~LONGDOUBLE(0bv1, 127bv8, 3342336bv23), ~x~0=~fp~LONGDOUBLE(0bv1, 126bv8, 8388606bv23)] [L15] assert false; VAL [~IN~0=~fp~LONGDOUBLE(0bv1, 126bv8, 8388606bv23), ~result~0=~fp~LONGDOUBLE(0bv1, 127bv8, 3342336bv23), ~x~0=~fp~LONGDOUBLE(0bv1, 126bv8, 8388606bv23)] [?] CALL call ULTIMATE.init(); [?] RET call ULTIMATE.init(); [?] CALL call #t~ret2 := main(); [L6] ~IN~0 := #t~nondet1; [L6] havoc #t~nondet1; [L7] assume 0bv32 != (if ~fp.geq~FLOAT(~IN~0, ~Pluszero~FLOAT()) && ~fp.lt~FLOAT(~IN~0, ~to_fp~FLOAT(~roundNearestTiesToEven, 1.0)) then 1bv32 else 0bv32); [L9] ~x~0 := ~IN~0; [L11-L12] ~result~0 := ~fp.sub~FLOAT(~roundNearestTiesToEven, ~fp.add~FLOAT(~roundNearestTiesToEven, ~fp.sub~FLOAT(~roundNearestTiesToEven, ~fp.add~FLOAT(~roundNearestTiesToEven, ~to_fp~FLOAT(~roundNearestTiesToEven, 1.0), ~fp.mul~FLOAT(~roundNearestTiesToEven, ~to_fp~FLOAT(~roundNearestTiesToEven, 0.5), ~x~0)), ~fp.mul~FLOAT(~roundNearestTiesToEven, ~fp.mul~FLOAT(~roundNearestTiesToEven, ~to_fp~FLOAT(~roundNearestTiesToEven, 0.125), ~x~0), ~x~0)), ~fp.mul~FLOAT(~roundNearestTiesToEven, ~fp.mul~FLOAT(~roundNearestTiesToEven, ~fp.mul~FLOAT(~roundNearestTiesToEven, ~to_fp~FLOAT(~roundNearestTiesToEven, 0.0625), ~x~0), ~x~0), ~x~0)), ~fp.mul~FLOAT(~roundNearestTiesToEven, ~fp.mul~FLOAT(~roundNearestTiesToEven, ~fp.mul~FLOAT(~roundNearestTiesToEven, ~fp.mul~FLOAT(~roundNearestTiesToEven, ~to_fp~FLOAT(~roundNearestTiesToEven, 0.0390625), ~x~0), ~x~0), ~x~0), ~x~0)); VAL [~IN~0=~fp~LONGDOUBLE(0bv1, 126bv8, 8388606bv23), ~result~0=~fp~LONGDOUBLE(0bv1, 127bv8, 3342336bv23), ~x~0=~fp~LONGDOUBLE(0bv1, 126bv8, 8388606bv23)] [L14] COND TRUE !(~fp.geq~FLOAT(~result~0, ~Pluszero~FLOAT()) && ~fp.lt~FLOAT(~result~0, ~to_fp~FLOAT(~roundNearestTiesToEven, 1.398))) VAL [~IN~0=~fp~LONGDOUBLE(0bv1, 126bv8, 8388606bv23), ~result~0=~fp~LONGDOUBLE(0bv1, 127bv8, 3342336bv23), ~x~0=~fp~LONGDOUBLE(0bv1, 126bv8, 8388606bv23)] [L15] assert false; VAL [~IN~0=~fp~LONGDOUBLE(0bv1, 126bv8, 8388606bv23), ~result~0=~fp~LONGDOUBLE(0bv1, 127bv8, 3342336bv23), ~x~0=~fp~LONGDOUBLE(0bv1, 126bv8, 8388606bv23)] ----- ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieBacktranslator [?] CALL call ULTIMATE.init(); [?] RET call ULTIMATE.init(); [?] CALL call #t~ret2 := main(); [L6] ~IN~0 := #t~nondet1; [L6] havoc #t~nondet1; [L7] assume 0bv32 != (if ~fp.geq~FLOAT(~IN~0, ~Pluszero~FLOAT()) && ~fp.lt~FLOAT(~IN~0, ~to_fp~FLOAT(~roundNearestTiesToEven, 1.0)) then 1bv32 else 0bv32); [L9] ~x~0 := ~IN~0; [L11-L12] ~result~0 := ~fp.sub~FLOAT(~roundNearestTiesToEven, ~fp.add~FLOAT(~roundNearestTiesToEven, ~fp.sub~FLOAT(~roundNearestTiesToEven, ~fp.add~FLOAT(~roundNearestTiesToEven, ~to_fp~FLOAT(~roundNearestTiesToEven, 1.0), ~fp.mul~FLOAT(~roundNearestTiesToEven, ~to_fp~FLOAT(~roundNearestTiesToEven, 0.5), ~x~0)), ~fp.mul~FLOAT(~roundNearestTiesToEven, ~fp.mul~FLOAT(~roundNearestTiesToEven, ~to_fp~FLOAT(~roundNearestTiesToEven, 0.125), ~x~0), ~x~0)), ~fp.mul~FLOAT(~roundNearestTiesToEven, ~fp.mul~FLOAT(~roundNearestTiesToEven, ~fp.mul~FLOAT(~roundNearestTiesToEven, ~to_fp~FLOAT(~roundNearestTiesToEven, 0.0625), ~x~0), ~x~0), ~x~0)), ~fp.mul~FLOAT(~roundNearestTiesToEven, ~fp.mul~FLOAT(~roundNearestTiesToEven, ~fp.mul~FLOAT(~roundNearestTiesToEven, ~fp.mul~FLOAT(~roundNearestTiesToEven, ~to_fp~FLOAT(~roundNearestTiesToEven, 0.0390625), ~x~0), ~x~0), ~x~0), ~x~0)); VAL [~IN~0=~fp~LONGDOUBLE(0bv1, 126bv8, 8388606bv23), ~result~0=~fp~LONGDOUBLE(0bv1, 127bv8, 3342336bv23), ~x~0=~fp~LONGDOUBLE(0bv1, 126bv8, 8388606bv23)] [L14] COND TRUE !(~fp.geq~FLOAT(~result~0, ~Pluszero~FLOAT()) && ~fp.lt~FLOAT(~result~0, ~to_fp~FLOAT(~roundNearestTiesToEven, 1.398))) VAL [~IN~0=~fp~LONGDOUBLE(0bv1, 126bv8, 8388606bv23), ~result~0=~fp~LONGDOUBLE(0bv1, 127bv8, 3342336bv23), ~x~0=~fp~LONGDOUBLE(0bv1, 126bv8, 8388606bv23)] [L15] assert false; VAL [~IN~0=~fp~LONGDOUBLE(0bv1, 126bv8, 8388606bv23), ~result~0=~fp~LONGDOUBLE(0bv1, 127bv8, 3342336bv23), ~x~0=~fp~LONGDOUBLE(0bv1, 126bv8, 8388606bv23)] [L6] float IN = __VERIFIER_nondet_float(); [L9] float x = IN; [L11-L12] float result = 1.0f + 0.5f*x - 0.125f*x*x + 0.0625f*x*x*x - 0.0390625f*x*x*x*x; VAL [IN=0.9999998807907104, result=1.3984375, x=0.9999998807907104] [L14] COND TRUE !(result >= 0.0f && result < 1.398f) VAL [IN=0.9999998807907104, result=1.3984375, x=0.9999998807907104] [L15] __VERIFIER_error() VAL [IN=0.9999998807907104, result=1.3984375, x=0.9999998807907104] ----- [2018-11-23 12:57:50,348 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_461c7e76-d648-48f5-9567-04a8f03675cd/bin-2019/uautomizer/witness.graphml [2018-11-23 12:57:50,348 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 12:57:50,349 INFO L168 Benchmark]: Toolchain (without parser) took 78837.67 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.0 MB). Free memory was 949.7 MB in the beginning and 1.1 GB in the end (delta: -134.1 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 12:57:50,350 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 12:57:50,351 INFO L168 Benchmark]: CACSL2BoogieTranslator took 171.20 ms. Allocated memory is still 1.0 GB. Free memory was 949.7 MB in the beginning and 939.0 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-23 12:57:50,351 INFO L168 Benchmark]: Boogie Procedure Inliner took 15.29 ms. Allocated memory is still 1.0 GB. Free memory was 939.0 MB in the beginning and 933.6 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-23 12:57:50,352 INFO L168 Benchmark]: Boogie Preprocessor took 14.09 ms. Allocated memory is still 1.0 GB. Free memory is still 933.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 12:57:50,352 INFO L168 Benchmark]: RCFGBuilder took 2231.24 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.0 MB). Free memory was 933.6 MB in the beginning and 1.1 GB in the end (delta: -174.8 MB). Peak memory consumption was 20.4 MB. Max. memory is 11.5 GB. [2018-11-23 12:57:50,353 INFO L168 Benchmark]: TraceAbstraction took 76364.23 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: 24.6 MB). Peak memory consumption was 24.6 MB. Max. memory is 11.5 GB. [2018-11-23 12:57:50,353 INFO L168 Benchmark]: Witness Printer took 38.35 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. [2018-11-23 12:57:50,355 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 171.20 ms. Allocated memory is still 1.0 GB. Free memory was 949.7 MB in the beginning and 939.0 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 15.29 ms. Allocated memory is still 1.0 GB. Free memory was 939.0 MB in the beginning and 933.6 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 14.09 ms. Allocated memory is still 1.0 GB. Free memory is still 933.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 2231.24 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.0 MB). Free memory was 933.6 MB in the beginning and 1.1 GB in the end (delta: -174.8 MB). Peak memory consumption was 20.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 76364.23 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: 24.6 MB). Peak memory consumption was 24.6 MB. Max. memory is 11.5 GB. * Witness Printer took 38.35 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: - CounterExampleResult [Line: 15]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L6] float IN = __VERIFIER_nondet_float(); [L9] float x = IN; [L11-L12] float result = 1.0f + 0.5f*x - 0.125f*x*x + 0.0625f*x*x*x - 0.0390625f*x*x*x*x; VAL [IN=0.9999998807907104, result=1.3984375, x=0.9999998807907104] [L14] COND TRUE !(result >= 0.0f && result < 1.398f) VAL [IN=0.9999998807907104, result=1.3984375, x=0.9999998807907104] [L15] __VERIFIER_error() VAL [IN=0.9999998807907104, result=1.3984375, x=0.9999998807907104] - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 13 locations, 1 error locations. UNSAFE Result, 76.3s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=13occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 31.3s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...