./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/floats-cdfpl/sine_1.i --full-output -ea --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8bd4bc60 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -ea -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/floats-cdfpl/sine_1.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 4ccd5df08f7e8357932b3db8452991b9377b2a54 .................................................................................................................................................................................................................................................................................................................. Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -ea -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/floats-cdfpl/sine_1.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 4ccd5df08f7e8357932b3db8452991b9377b2a54 ....................................................................................................................................................................................................................................................................................................................................... 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 0.1.25-8bd4bc6 [2020-07-28 17:18:00,133 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-28 17:18:00,136 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-28 17:18:00,154 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-28 17:18:00,155 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-28 17:18:00,157 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-28 17:18:00,159 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-28 17:18:00,173 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-28 17:18:00,174 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-28 17:18:00,175 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-28 17:18:00,177 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-28 17:18:00,179 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-28 17:18:00,179 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-28 17:18:00,184 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-28 17:18:00,185 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-28 17:18:00,186 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-28 17:18:00,187 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-28 17:18:00,188 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-28 17:18:00,190 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-28 17:18:00,192 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-28 17:18:00,194 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-28 17:18:00,195 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-28 17:18:00,196 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-28 17:18:00,197 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-28 17:18:00,200 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-28 17:18:00,200 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-28 17:18:00,200 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-28 17:18:00,201 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-28 17:18:00,202 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-28 17:18:00,203 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-28 17:18:00,203 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-28 17:18:00,204 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-28 17:18:00,205 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-28 17:18:00,206 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-28 17:18:00,207 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-28 17:18:00,207 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-28 17:18:00,208 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-28 17:18:00,208 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-28 17:18:00,209 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-28 17:18:00,210 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-28 17:18:00,211 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-28 17:18:00,211 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-28 17:18:00,228 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-28 17:18:00,228 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-28 17:18:00,230 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-28 17:18:00,230 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-28 17:18:00,231 INFO L138 SettingsManager]: * Use SBE=true [2020-07-28 17:18:00,231 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-28 17:18:00,231 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-28 17:18:00,231 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-28 17:18:00,232 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-28 17:18:00,232 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-28 17:18:00,232 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-28 17:18:00,233 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-28 17:18:00,233 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-28 17:18:00,233 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-28 17:18:00,234 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-28 17:18:00,234 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-28 17:18:00,234 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-28 17:18:00,235 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-28 17:18:00,235 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-28 17:18:00,235 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-28 17:18:00,235 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-28 17:18:00,236 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-28 17:18:00,236 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-28 17:18:00,236 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-28 17:18:00,237 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-28 17:18:00,237 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-28 17:18:00,237 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-28 17:18:00,238 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-28 17:18:00,238 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-28 17:18:00,238 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux 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 -> 4ccd5df08f7e8357932b3db8452991b9377b2a54 [2020-07-28 17:18:00,578 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-28 17:18:00,591 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-28 17:18:00,595 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-28 17:18:00,597 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-28 17:18:00,597 INFO L275 PluginConnector]: CDTParser initialized [2020-07-28 17:18:00,598 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/floats-cdfpl/sine_1.i [2020-07-28 17:18:00,665 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1880dd8ed/3880fe8733f94944b14fafd8a5995fbc/FLAGdd784a4a0 [2020-07-28 17:18:01,113 INFO L306 CDTParser]: Found 1 translation units. [2020-07-28 17:18:01,114 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cdfpl/sine_1.i [2020-07-28 17:18:01,121 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1880dd8ed/3880fe8733f94944b14fafd8a5995fbc/FLAGdd784a4a0 [2020-07-28 17:18:01,552 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1880dd8ed/3880fe8733f94944b14fafd8a5995fbc [2020-07-28 17:18:01,556 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-28 17:18:01,560 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-07-28 17:18:01,561 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-28 17:18:01,563 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-28 17:18:01,568 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-28 17:18:01,570 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 05:18:01" (1/1) ... [2020-07-28 17:18:01,574 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@733dd5b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:18:01, skipping insertion in model container [2020-07-28 17:18:01,574 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 05:18:01" (1/1) ... [2020-07-28 17:18:01,583 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-28 17:18:01,608 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-28 17:18:01,803 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 17:18:01,809 INFO L203 MainTranslator]: Completed pre-run [2020-07-28 17:18:01,830 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 17:18:01,846 INFO L208 MainTranslator]: Completed translation [2020-07-28 17:18:01,846 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:18:01 WrapperNode [2020-07-28 17:18:01,847 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-28 17:18:01,848 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-07-28 17:18:01,848 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-07-28 17:18:01,848 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-07-28 17:18:01,858 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:18:01" (1/1) ... [2020-07-28 17:18:01,865 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:18:01" (1/1) ... [2020-07-28 17:18:01,975 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-07-28 17:18:01,976 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-28 17:18:01,976 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-28 17:18:01,976 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-28 17:18:01,986 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:18:01" (1/1) ... [2020-07-28 17:18:01,986 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:18:01" (1/1) ... [2020-07-28 17:18:01,987 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:18:01" (1/1) ... [2020-07-28 17:18:01,988 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:18:01" (1/1) ... [2020-07-28 17:18:01,998 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:18:01" (1/1) ... [2020-07-28 17:18:02,001 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:18:01" (1/1) ... [2020-07-28 17:18:02,008 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:18:01" (1/1) ... [2020-07-28 17:18:02,010 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-28 17:18:02,011 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-28 17:18:02,011 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-28 17:18:02,011 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-28 17:18:02,012 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:18:01" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-28 17:18:02,080 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-28 17:18:02,081 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-28 17:18:02,413 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-28 17:18:02,413 INFO L295 CfgBuilder]: Removed 6 assume(true) statements. [2020-07-28 17:18:02,417 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 05:18:02 BoogieIcfgContainer [2020-07-28 17:18:02,417 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-28 17:18:02,419 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-28 17:18:02,419 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-28 17:18:02,423 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-28 17:18:02,424 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.07 05:18:01" (1/3) ... [2020-07-28 17:18:02,425 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30134758 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 05:18:02, skipping insertion in model container [2020-07-28 17:18:02,425 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:18:01" (2/3) ... [2020-07-28 17:18:02,433 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30134758 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 05:18:02, skipping insertion in model container [2020-07-28 17:18:02,433 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 05:18:02" (3/3) ... [2020-07-28 17:18:02,435 INFO L109 eAbstractionObserver]: Analyzing ICFG sine_1.i [2020-07-28 17:18:02,444 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-28 17:18:02,451 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-28 17:18:02,465 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-28 17:18:02,485 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-28 17:18:02,485 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-28 17:18:02,486 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-28 17:18:02,486 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-28 17:18:02,486 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-28 17:18:02,486 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-28 17:18:02,486 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-28 17:18:02,486 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-28 17:18:02,502 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states. [2020-07-28 17:18:02,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-07-28 17:18:02,508 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 17:18:02,509 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2020-07-28 17:18:02,510 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 17:18:02,516 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 17:18:02,517 INFO L82 PathProgramCache]: Analyzing trace with hash 29679877, now seen corresponding path program 1 times [2020-07-28 17:18:02,526 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 17:18:02,526 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [877111591] [2020-07-28 17:18:02,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 17:18:02,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 17:18:02,642 INFO L280 TraceCheckUtils]: 0: Hoare triple {13#true} havoc main_#res;havoc main_#t~nondet0, main_~IN~0, main_~x~0, main_~result~0;main_~IN~0 := main_#t~nondet0;havoc main_#t~nondet0;assume_abort_if_not_#in~cond := (if ~someBinaryFLOATComparisonOperation(main_~IN~0, ~someUnaryFLOAToperation(1.57079632679)) && ~someBinaryFLOATComparisonOperation(main_~IN~0, 1.57079632679) then 1 else 0);havoc assume_abort_if_not_~cond;assume_abort_if_not_~cond := assume_abort_if_not_#in~cond; {13#true} is VALID [2020-07-28 17:18:02,643 INFO L280 TraceCheckUtils]: 1: Hoare triple {13#true} assume 0 == assume_abort_if_not_~cond;assume false; {14#false} is VALID [2020-07-28 17:18:02,644 INFO L280 TraceCheckUtils]: 2: Hoare triple {14#false} main_~x~0 := main_~IN~0;main_~result~0 := ~someBinaryArithmeticFLOAToperation(~someBinaryArithmeticFLOAToperation(~someBinaryArithmeticFLOAToperation(main_~x~0, ~someBinaryArithmeticFLOAToperation(~someBinaryArithmeticFLOAToperation(~someBinaryArithmeticFLOAToperation(main_~x~0, main_~x~0), main_~x~0), 6.0)), ~someBinaryArithmeticFLOAToperation(~someBinaryArithmeticFLOAToperation(~someBinaryArithmeticFLOAToperation(~someBinaryArithmeticFLOAToperation(~someBinaryArithmeticFLOAToperation(main_~x~0, main_~x~0), main_~x~0), main_~x~0), main_~x~0), 120.0)), ~someBinaryArithmeticFLOAToperation(~someBinaryArithmeticFLOAToperation(~someBinaryArithmeticFLOAToperation(~someBinaryArithmeticFLOAToperation(~someBinaryArithmeticFLOAToperation(~someBinaryArithmeticFLOAToperation(~someBinaryArithmeticFLOAToperation(main_~x~0, main_~x~0), main_~x~0), main_~x~0), main_~x~0), main_~x~0), main_~x~0), 5040.0)); {14#false} is VALID [2020-07-28 17:18:02,644 INFO L280 TraceCheckUtils]: 3: Hoare triple {14#false} assume !(~someBinaryDOUBLEComparisonOperation(main_~result~0, 0.99) && ~someBinaryDOUBLEComparisonOperation(main_~result~0, ~someUnaryDOUBLEoperation(0.99))); {14#false} is VALID [2020-07-28 17:18:02,644 INFO L280 TraceCheckUtils]: 4: Hoare triple {14#false} assume !false; {14#false} is VALID [2020-07-28 17:18:02,647 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 17:18:02,648 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [877111591] [2020-07-28 17:18:02,649 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-28 17:18:02,649 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-28 17:18:02,650 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1458247864] [2020-07-28 17:18:02,654 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 5 [2020-07-28 17:18:02,656 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 17:18:02,659 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states. [2020-07-28 17:18:02,683 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 5 edges. 5 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 17:18:02,683 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-28 17:18:02,684 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-28 17:18:02,692 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-28 17:18:02,693 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-28 17:18:02,695 INFO L87 Difference]: Start difference. First operand 10 states. Second operand 2 states. [2020-07-28 17:18:02,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 17:18:02,738 INFO L93 Difference]: Finished difference Result 18 states and 19 transitions. [2020-07-28 17:18:02,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-28 17:18:02,739 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 5 [2020-07-28 17:18:02,739 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 17:18:02,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-07-28 17:18:02,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 19 transitions. [2020-07-28 17:18:02,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-07-28 17:18:02,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 19 transitions. [2020-07-28 17:18:02,749 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states and 19 transitions. [2020-07-28 17:18:02,806 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 19 edges. 19 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 17:18:02,820 INFO L225 Difference]: With dead ends: 18 [2020-07-28 17:18:02,822 INFO L226 Difference]: Without dead ends: 6 [2020-07-28 17:18:02,826 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-28 17:18:02,840 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6 states. [2020-07-28 17:18:02,848 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6 to 6. [2020-07-28 17:18:02,848 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 17:18:02,849 INFO L82 GeneralOperation]: Start isEquivalent. First operand 6 states. Second operand 6 states. [2020-07-28 17:18:02,849 INFO L74 IsIncluded]: Start isIncluded. First operand 6 states. Second operand 6 states. [2020-07-28 17:18:02,849 INFO L87 Difference]: Start difference. First operand 6 states. Second operand 6 states. [2020-07-28 17:18:02,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 17:18:02,851 INFO L93 Difference]: Finished difference Result 6 states and 5 transitions. [2020-07-28 17:18:02,851 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 5 transitions. [2020-07-28 17:18:02,852 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 17:18:02,852 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 17:18:02,852 INFO L74 IsIncluded]: Start isIncluded. First operand 6 states. Second operand 6 states. [2020-07-28 17:18:02,852 INFO L87 Difference]: Start difference. First operand 6 states. Second operand 6 states. [2020-07-28 17:18:02,853 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 17:18:02,854 INFO L93 Difference]: Finished difference Result 6 states and 5 transitions. [2020-07-28 17:18:02,854 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 5 transitions. [2020-07-28 17:18:02,854 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 17:18:02,855 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 17:18:02,855 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 17:18:02,855 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 17:18:02,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-28 17:18:02,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 5 transitions. [2020-07-28 17:18:02,858 INFO L78 Accepts]: Start accepts. Automaton has 6 states and 5 transitions. Word has length 5 [2020-07-28 17:18:02,858 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 17:18:02,859 INFO L479 AbstractCegarLoop]: Abstraction has 6 states and 5 transitions. [2020-07-28 17:18:02,859 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-28 17:18:02,859 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 5 transitions. [2020-07-28 17:18:02,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-07-28 17:18:02,859 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 17:18:02,860 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2020-07-28 17:18:02,860 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-28 17:18:02,861 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 17:18:02,861 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 17:18:02,861 INFO L82 PathProgramCache]: Analyzing trace with hash 29739459, now seen corresponding path program 1 times [2020-07-28 17:18:02,861 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-28 17:18:02,862 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [577808199] [2020-07-28 17:18:02,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-28 17:18:02,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-28 17:18:02,870 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-28 17:18:02,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-28 17:18:02,877 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-28 17:18:02,895 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-28 17:18:02,896 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-07-28 17:18:02,898 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-28 17:18:02,913 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-28 17:18:02,913 WARN L170 areAnnotationChecker]: L4 has no Hoare annotation [2020-07-28 17:18:02,913 WARN L170 areAnnotationChecker]: L4 has no Hoare annotation [2020-07-28 17:18:02,913 WARN L170 areAnnotationChecker]: L3 has no Hoare annotation [2020-07-28 17:18:02,913 WARN L170 areAnnotationChecker]: L16 has no Hoare annotation [2020-07-28 17:18:02,914 WARN L170 areAnnotationChecker]: L16 has no Hoare annotation [2020-07-28 17:18:02,914 WARN L170 areAnnotationChecker]: L17 has no Hoare annotation [2020-07-28 17:18:02,914 WARN L170 areAnnotationChecker]: L17 has no Hoare annotation [2020-07-28 17:18:02,914 WARN L170 areAnnotationChecker]: L16-2 has no Hoare annotation [2020-07-28 17:18:02,914 WARN L170 areAnnotationChecker]: L19 has no Hoare annotation [2020-07-28 17:18:02,914 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-28 17:18:02,915 INFO L163 areAnnotationChecker]: CFG has 0 edges. 0 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. 0 times interpolants missing. [2020-07-28 17:18:02,917 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.07 05:18:02 BoogieIcfgContainer [2020-07-28 17:18:02,917 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-28 17:18:02,917 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-07-28 17:18:02,918 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-07-28 17:18:02,918 INFO L275 PluginConnector]: Witness Printer initialized [2020-07-28 17:18:02,919 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 05:18:02" (3/4) ... [2020-07-28 17:18:02,922 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-07-28 17:18:02,923 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-07-28 17:18:02,926 INFO L168 Benchmark]: Toolchain (without parser) took 1367.76 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.8 MB). Free memory was 961.6 MB in the beginning and 1.1 GB in the end (delta: -127.2 MB). Peak memory consumption was 19.6 MB. Max. memory is 11.5 GB. [2020-07-28 17:18:02,926 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 1.0 GB. Free memory is still 987.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-28 17:18:02,927 INFO L168 Benchmark]: CACSL2BoogieTranslator took 286.19 ms. Allocated memory is still 1.0 GB. Free memory was 961.6 MB in the beginning and 950.8 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2020-07-28 17:18:02,928 INFO L168 Benchmark]: Boogie Procedure Inliner took 127.64 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.8 MB). Free memory was 950.8 MB in the beginning and 1.1 GB in the end (delta: -192.3 MB). Peak memory consumption was 9.6 MB. Max. memory is 11.5 GB. [2020-07-28 17:18:02,929 INFO L168 Benchmark]: Boogie Preprocessor took 34.73 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2020-07-28 17:18:02,930 INFO L168 Benchmark]: RCFGBuilder took 406.96 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: 13.8 MB). Peak memory consumption was 13.8 MB. Max. memory is 11.5 GB. [2020-07-28 17:18:02,931 INFO L168 Benchmark]: TraceAbstraction took 498.25 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: 33.7 MB). Peak memory consumption was 33.7 MB. Max. memory is 11.5 GB. [2020-07-28 17:18:02,932 INFO L168 Benchmark]: Witness Printer took 5.20 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. [2020-07-28 17:18:02,937 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - AssertionsEnabledResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 1.0 GB. Free memory is still 987.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 286.19 ms. Allocated memory is still 1.0 GB. Free memory was 961.6 MB in the beginning and 950.8 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 127.64 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.8 MB). Free memory was 950.8 MB in the beginning and 1.1 GB in the end (delta: -192.3 MB). Peak memory consumption was 9.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 34.73 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 406.96 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: 13.8 MB). Peak memory consumption was 13.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 498.25 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: 33.7 MB). Peak memory consumption was 33.7 MB. Max. memory is 11.5 GB. * Witness Printer took 5.20 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: 17]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 10, overapproximation of someBinaryDOUBLEComparisonOperation at line 16, overapproximation of someBinaryArithmeticFLOAToperation at line 14. Possible FailurePath: [L9] float IN = __VERIFIER_nondet_float(); [L4] COND FALSE !(!cond) [L12] float x = IN; [L14] float result = x - (x*x*x)/6.0f + (x*x*x*x*x)/120.0f + (x*x*x*x*x*x*x)/5040.0f; [L16] COND TRUE !(result <= 0.99 && result >= -0.99) [L17] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 10 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.4s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 9 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=10occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 10 NumberOfCodeBlocks, 10 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 4 ConstructedInterpolants, 0 QuantifiedInterpolants, 16 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.25-8bd4bc6 [2020-07-28 17:18:04,961 INFO L177 SettingsManager]: Resetting all preferences to default values... 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[2020-07-28 17:18:05,028 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-28 17:18:05,029 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-28 17:18:05,030 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-28 17:18:05,031 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-28 17:18:05,032 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-28 17:18:05,032 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-28 17:18:05,033 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-28 17:18:05,034 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-28 17:18:05,034 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-28 17:18:05,035 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-28 17:18:05,036 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-28 17:18:05,037 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-07-28 17:18:05,051 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-28 17:18:05,052 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-28 17:18:05,053 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-28 17:18:05,054 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-28 17:18:05,054 INFO L138 SettingsManager]: * Use SBE=true [2020-07-28 17:18:05,054 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-28 17:18:05,055 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-28 17:18:05,055 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-28 17:18:05,055 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-28 17:18:05,055 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-28 17:18:05,056 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-28 17:18:05,056 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-28 17:18:05,056 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-07-28 17:18:05,056 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-07-28 17:18:05,057 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-28 17:18:05,057 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-28 17:18:05,057 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-28 17:18:05,058 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-28 17:18:05,058 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-28 17:18:05,058 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-28 17:18:05,058 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-28 17:18:05,059 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-28 17:18:05,059 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-28 17:18:05,059 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-28 17:18:05,060 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-28 17:18:05,060 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-28 17:18:05,060 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-07-28 17:18:05,061 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-07-28 17:18:05,061 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-28 17:18:05,061 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-28 17:18:05,061 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-07-28 17:18:05,062 INFO L138 SettingsManager]: * Logic for external solver=AUFBV Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux 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 -> 4ccd5df08f7e8357932b3db8452991b9377b2a54 [2020-07-28 17:18:05,360 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-28 17:18:05,373 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-28 17:18:05,377 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-28 17:18:05,378 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-28 17:18:05,379 INFO L275 PluginConnector]: CDTParser initialized [2020-07-28 17:18:05,380 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/floats-cdfpl/sine_1.i [2020-07-28 17:18:05,440 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/292a4121c/79abedd7debf468691c8542a18a28c4b/FLAG43092896c [2020-07-28 17:18:05,876 INFO L306 CDTParser]: Found 1 translation units. [2020-07-28 17:18:05,877 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/floats-cdfpl/sine_1.i [2020-07-28 17:18:05,885 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/292a4121c/79abedd7debf468691c8542a18a28c4b/FLAG43092896c [2020-07-28 17:18:06,229 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/292a4121c/79abedd7debf468691c8542a18a28c4b [2020-07-28 17:18:06,233 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-28 17:18:06,236 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-07-28 17:18:06,238 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-28 17:18:06,238 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-28 17:18:06,242 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-28 17:18:06,245 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 05:18:06" (1/1) ... [2020-07-28 17:18:06,248 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@17874fac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:18:06, skipping insertion in model container [2020-07-28 17:18:06,249 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.07 05:18:06" (1/1) ... [2020-07-28 17:18:06,257 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-28 17:18:06,278 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-28 17:18:06,470 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 17:18:06,479 INFO L203 MainTranslator]: Completed pre-run [2020-07-28 17:18:06,501 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-28 17:18:06,519 INFO L208 MainTranslator]: Completed translation [2020-07-28 17:18:06,520 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:18:06 WrapperNode [2020-07-28 17:18:06,520 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-28 17:18:06,521 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-07-28 17:18:06,521 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-07-28 17:18:06,521 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-07-28 17:18:06,531 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:18:06" (1/1) ... [2020-07-28 17:18:06,540 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:18:06" (1/1) ... [2020-07-28 17:18:06,619 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-07-28 17:18:06,620 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-28 17:18:06,620 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-28 17:18:06,620 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-28 17:18:06,631 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:18:06" (1/1) ... [2020-07-28 17:18:06,631 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:18:06" (1/1) ... [2020-07-28 17:18:06,634 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:18:06" (1/1) ... [2020-07-28 17:18:06,634 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:18:06" (1/1) ... [2020-07-28 17:18:06,643 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:18:06" (1/1) ... [2020-07-28 17:18:06,645 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:18:06" (1/1) ... [2020-07-28 17:18:06,647 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:18:06" (1/1) ... [2020-07-28 17:18:06,650 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-28 17:18:06,651 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-28 17:18:06,651 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-28 17:18:06,651 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-28 17:18:06,652 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:18:06" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-28 17:18:06,729 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-28 17:18:06,731 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-28 17:18:10,210 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-28 17:18:10,211 INFO L295 CfgBuilder]: Removed 6 assume(true) statements. [2020-07-28 17:18:10,217 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 05:18:10 BoogieIcfgContainer [2020-07-28 17:18:10,217 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-28 17:18:10,219 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-28 17:18:10,219 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-28 17:18:10,222 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-28 17:18:10,223 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.07 05:18:06" (1/3) ... [2020-07-28 17:18:10,224 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ef8aaf8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 05:18:10, skipping insertion in model container [2020-07-28 17:18:10,224 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.07 05:18:06" (2/3) ... [2020-07-28 17:18:10,225 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ef8aaf8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.07 05:18:10, skipping insertion in model container [2020-07-28 17:18:10,225 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 05:18:10" (3/3) ... [2020-07-28 17:18:10,227 INFO L109 eAbstractionObserver]: Analyzing ICFG sine_1.i [2020-07-28 17:18:10,236 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-28 17:18:10,242 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-28 17:18:10,257 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-28 17:18:10,279 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-28 17:18:10,279 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-28 17:18:10,279 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-28 17:18:10,280 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-28 17:18:10,280 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-28 17:18:10,281 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-28 17:18:10,281 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-28 17:18:10,281 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-28 17:18:10,295 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states. [2020-07-28 17:18:10,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-07-28 17:18:10,300 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 17:18:10,301 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2020-07-28 17:18:10,301 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 17:18:10,307 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 17:18:10,308 INFO L82 PathProgramCache]: Analyzing trace with hash 889508712, now seen corresponding path program 1 times [2020-07-28 17:18:10,320 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-07-28 17:18:10,321 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2082592389] [2020-07-28 17:18:10,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2020-07-28 17:18:10,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 17:18:10,904 INFO L263 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 1 conjunts are in the unsatisfiable core [2020-07-28 17:18:10,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-28 17:18:10,918 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-28 17:18:10,952 INFO L280 TraceCheckUtils]: 0: Hoare triple {14#true} currentRoundingMode := ~roundNearestTiesToEven; {14#true} is VALID [2020-07-28 17:18:10,953 INFO L280 TraceCheckUtils]: 1: Hoare triple {14#true} havoc main_#res;havoc main_#t~nondet0, main_~IN~0, main_~x~0, main_~result~0;main_~IN~0 := main_#t~nondet0;havoc main_#t~nondet0;assume_abort_if_not_#in~cond := (if ~fp.gt~FLOAT(main_~IN~0, ~fp.neg~FLOAT(~to_fp~FLOAT(currentRoundingMode, 1.57079632679))) && ~fp.lt~FLOAT(main_~IN~0, ~to_fp~FLOAT(currentRoundingMode, 1.57079632679)) then 1bv32 else 0bv32);havoc assume_abort_if_not_~cond;assume_abort_if_not_~cond := assume_abort_if_not_#in~cond; {14#true} is VALID [2020-07-28 17:18:10,955 INFO L280 TraceCheckUtils]: 2: Hoare triple {14#true} assume 0bv32 == assume_abort_if_not_~cond;assume false; {15#false} is VALID [2020-07-28 17:18:10,955 INFO L280 TraceCheckUtils]: 3: Hoare triple {15#false} main_~x~0 := main_~IN~0;main_~result~0 := ~fp.add~FLOAT(currentRoundingMode, ~fp.add~FLOAT(currentRoundingMode, ~fp.sub~FLOAT(currentRoundingMode, main_~x~0, ~fp.div~FLOAT(currentRoundingMode, ~fp.mul~FLOAT(currentRoundingMode, ~fp.mul~FLOAT(currentRoundingMode, main_~x~0, main_~x~0), main_~x~0), ~to_fp~FLOAT(currentRoundingMode, 6.0))), ~fp.div~FLOAT(currentRoundingMode, ~fp.mul~FLOAT(currentRoundingMode, ~fp.mul~FLOAT(currentRoundingMode, ~fp.mul~FLOAT(currentRoundingMode, ~fp.mul~FLOAT(currentRoundingMode, main_~x~0, main_~x~0), main_~x~0), main_~x~0), main_~x~0), ~to_fp~FLOAT(currentRoundingMode, 120.0))), ~fp.div~FLOAT(currentRoundingMode, ~fp.mul~FLOAT(currentRoundingMode, ~fp.mul~FLOAT(currentRoundingMode, ~fp.mul~FLOAT(currentRoundingMode, ~fp.mul~FLOAT(currentRoundingMode, ~fp.mul~FLOAT(currentRoundingMode, ~fp.mul~FLOAT(currentRoundingMode, main_~x~0, main_~x~0), main_~x~0), main_~x~0), main_~x~0), main_~x~0), main_~x~0), ~to_fp~FLOAT(currentRoundingMode, 5040.0))); {15#false} is VALID [2020-07-28 17:18:10,956 INFO L280 TraceCheckUtils]: 4: Hoare triple {15#false} assume !(~fp.leq~DOUBLE(~convertFLOATToDOUBLE(currentRoundingMode, main_~result~0), ~to_fp~DOUBLE(currentRoundingMode, 0.99)) && ~fp.geq~DOUBLE(~convertFLOATToDOUBLE(currentRoundingMode, main_~result~0), ~fp.neg~DOUBLE(~to_fp~DOUBLE(currentRoundingMode, 0.99)))); {15#false} is VALID [2020-07-28 17:18:10,956 INFO L280 TraceCheckUtils]: 5: Hoare triple {15#false} assume !false; {15#false} is VALID [2020-07-28 17:18:10,961 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 17:18:10,962 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-28 17:18:10,972 INFO L280 TraceCheckUtils]: 5: Hoare triple {15#false} assume !false; {15#false} is VALID [2020-07-28 17:18:10,973 INFO L280 TraceCheckUtils]: 4: Hoare triple {15#false} assume !(~fp.leq~DOUBLE(~convertFLOATToDOUBLE(currentRoundingMode, main_~result~0), ~to_fp~DOUBLE(currentRoundingMode, 0.99)) && ~fp.geq~DOUBLE(~convertFLOATToDOUBLE(currentRoundingMode, main_~result~0), ~fp.neg~DOUBLE(~to_fp~DOUBLE(currentRoundingMode, 0.99)))); {15#false} is VALID [2020-07-28 17:18:10,973 INFO L280 TraceCheckUtils]: 3: Hoare triple {15#false} main_~x~0 := main_~IN~0;main_~result~0 := ~fp.add~FLOAT(currentRoundingMode, ~fp.add~FLOAT(currentRoundingMode, ~fp.sub~FLOAT(currentRoundingMode, main_~x~0, ~fp.div~FLOAT(currentRoundingMode, ~fp.mul~FLOAT(currentRoundingMode, ~fp.mul~FLOAT(currentRoundingMode, main_~x~0, main_~x~0), main_~x~0), ~to_fp~FLOAT(currentRoundingMode, 6.0))), ~fp.div~FLOAT(currentRoundingMode, ~fp.mul~FLOAT(currentRoundingMode, ~fp.mul~FLOAT(currentRoundingMode, ~fp.mul~FLOAT(currentRoundingMode, ~fp.mul~FLOAT(currentRoundingMode, main_~x~0, main_~x~0), main_~x~0), main_~x~0), main_~x~0), ~to_fp~FLOAT(currentRoundingMode, 120.0))), ~fp.div~FLOAT(currentRoundingMode, ~fp.mul~FLOAT(currentRoundingMode, ~fp.mul~FLOAT(currentRoundingMode, ~fp.mul~FLOAT(currentRoundingMode, ~fp.mul~FLOAT(currentRoundingMode, ~fp.mul~FLOAT(currentRoundingMode, ~fp.mul~FLOAT(currentRoundingMode, main_~x~0, main_~x~0), main_~x~0), main_~x~0), main_~x~0), main_~x~0), main_~x~0), ~to_fp~FLOAT(currentRoundingMode, 5040.0))); {15#false} is VALID [2020-07-28 17:18:10,974 INFO L280 TraceCheckUtils]: 2: Hoare triple {14#true} assume 0bv32 == assume_abort_if_not_~cond;assume false; {15#false} is VALID [2020-07-28 17:18:10,975 INFO L280 TraceCheckUtils]: 1: Hoare triple {14#true} havoc main_#res;havoc main_#t~nondet0, main_~IN~0, main_~x~0, main_~result~0;main_~IN~0 := main_#t~nondet0;havoc main_#t~nondet0;assume_abort_if_not_#in~cond := (if ~fp.gt~FLOAT(main_~IN~0, ~fp.neg~FLOAT(~to_fp~FLOAT(currentRoundingMode, 1.57079632679))) && ~fp.lt~FLOAT(main_~IN~0, ~to_fp~FLOAT(currentRoundingMode, 1.57079632679)) then 1bv32 else 0bv32);havoc assume_abort_if_not_~cond;assume_abort_if_not_~cond := assume_abort_if_not_#in~cond; {14#true} is VALID [2020-07-28 17:18:10,975 INFO L280 TraceCheckUtils]: 0: Hoare triple {14#true} currentRoundingMode := ~roundNearestTiesToEven; {14#true} is VALID [2020-07-28 17:18:10,975 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-28 17:18:10,977 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2082592389] [2020-07-28 17:18:10,978 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-07-28 17:18:10,978 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-07-28 17:18:10,979 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1434052060] [2020-07-28 17:18:10,985 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 6 [2020-07-28 17:18:10,987 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-28 17:18:10,991 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states. [2020-07-28 17:18:13,448 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 6 edges. 6 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 17:18:13,448 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-28 17:18:13,449 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-07-28 17:18:13,456 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-28 17:18:13,457 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-28 17:18:13,459 INFO L87 Difference]: Start difference. First operand 11 states. Second operand 2 states. [2020-07-28 17:18:16,742 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 17:18:16,743 INFO L93 Difference]: Finished difference Result 19 states and 20 transitions. [2020-07-28 17:18:16,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-28 17:18:16,743 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 6 [2020-07-28 17:18:16,744 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-28 17:18:16,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-07-28 17:18:16,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 20 transitions. [2020-07-28 17:18:16,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-07-28 17:18:16,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 20 transitions. [2020-07-28 17:18:16,753 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states and 20 transitions. [2020-07-28 17:18:21,309 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 20 edges. 20 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-28 17:18:21,319 INFO L225 Difference]: With dead ends: 19 [2020-07-28 17:18:21,319 INFO L226 Difference]: Without dead ends: 7 [2020-07-28 17:18:21,322 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-28 17:18:21,339 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states. [2020-07-28 17:18:21,350 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2020-07-28 17:18:21,350 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-28 17:18:21,351 INFO L82 GeneralOperation]: Start isEquivalent. First operand 7 states. Second operand 7 states. [2020-07-28 17:18:21,352 INFO L74 IsIncluded]: Start isIncluded. First operand 7 states. Second operand 7 states. [2020-07-28 17:18:21,352 INFO L87 Difference]: Start difference. First operand 7 states. Second operand 7 states. [2020-07-28 17:18:21,355 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 17:18:21,356 INFO L93 Difference]: Finished difference Result 7 states and 6 transitions. [2020-07-28 17:18:21,356 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 6 transitions. [2020-07-28 17:18:21,357 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 17:18:21,357 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 17:18:21,357 INFO L74 IsIncluded]: Start isIncluded. First operand 7 states. Second operand 7 states. [2020-07-28 17:18:21,358 INFO L87 Difference]: Start difference. First operand 7 states. Second operand 7 states. [2020-07-28 17:18:21,359 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-28 17:18:21,359 INFO L93 Difference]: Finished difference Result 7 states and 6 transitions. [2020-07-28 17:18:21,360 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 6 transitions. [2020-07-28 17:18:21,360 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-28 17:18:21,360 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-28 17:18:21,361 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-28 17:18:21,361 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-28 17:18:21,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2020-07-28 17:18:21,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 6 transitions. [2020-07-28 17:18:21,368 INFO L78 Accepts]: Start accepts. Automaton has 7 states and 6 transitions. Word has length 6 [2020-07-28 17:18:21,369 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-28 17:18:21,369 INFO L479 AbstractCegarLoop]: Abstraction has 7 states and 6 transitions. [2020-07-28 17:18:21,369 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-28 17:18:21,369 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 6 transitions. [2020-07-28 17:18:21,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-07-28 17:18:21,371 INFO L414 BasicCegarLoop]: Found error trace [2020-07-28 17:18:21,371 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2020-07-28 17:18:21,585 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-07-28 17:18:21,585 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-28 17:18:21,585 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-28 17:18:21,586 INFO L82 PathProgramCache]: Analyzing trace with hash 889568294, now seen corresponding path program 1 times [2020-07-28 17:18:21,586 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-07-28 17:18:21,587 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1720442881] [2020-07-28 17:18:21,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2020-07-28 17:18:25,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-28 17:18:25,667 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-28 17:18:50,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-28 17:18:50,090 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-28 17:18:50,182 INFO L174 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2020-07-28 17:18:50,183 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-07-28 17:18:50,385 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-07-28 17:18:50,404 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-28 17:18:50,405 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-28 17:18:50,405 WARN L170 areAnnotationChecker]: L4 has no Hoare annotation [2020-07-28 17:18:50,405 WARN L170 areAnnotationChecker]: L4 has no Hoare annotation [2020-07-28 17:18:50,405 WARN L170 areAnnotationChecker]: L3 has no Hoare annotation [2020-07-28 17:18:50,405 WARN L170 areAnnotationChecker]: L16 has no Hoare annotation [2020-07-28 17:18:50,405 WARN L170 areAnnotationChecker]: L16 has no Hoare annotation [2020-07-28 17:18:50,406 WARN L170 areAnnotationChecker]: L17 has no Hoare annotation [2020-07-28 17:18:50,406 WARN L170 areAnnotationChecker]: L17 has no Hoare annotation [2020-07-28 17:18:50,406 WARN L170 areAnnotationChecker]: L16-2 has no Hoare annotation [2020-07-28 17:18:50,406 WARN L170 areAnnotationChecker]: L19 has no Hoare annotation [2020-07-28 17:18:50,406 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-28 17:18:50,407 INFO L163 areAnnotationChecker]: CFG has 0 edges. 0 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. 0 times interpolants missing. [2020-07-28 17:18:50,409 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.07 05:18:50 BoogieIcfgContainer [2020-07-28 17:18:50,409 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-28 17:18:50,409 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-07-28 17:18:50,410 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-07-28 17:18:50,410 INFO L275 PluginConnector]: Witness Printer initialized [2020-07-28 17:18:50,410 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.07 05:18:10" (3/4) ... [2020-07-28 17:18:50,413 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-07-28 17:18:50,451 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-07-28 17:18:50,452 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-07-28 17:18:50,455 INFO L168 Benchmark]: Toolchain (without parser) took 44220.13 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.4 MB). Free memory was 950.8 MB in the beginning and 1.1 GB in the end (delta: -112.3 MB). Peak memory consumption was 25.1 MB. Max. memory is 11.5 GB. [2020-07-28 17:18:50,456 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 1.0 GB. Free memory is still 981.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-28 17:18:50,457 INFO L168 Benchmark]: CACSL2BoogieTranslator took 282.63 ms. Allocated memory is still 1.0 GB. Free memory was 950.8 MB in the beginning and 940.1 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2020-07-28 17:18:50,459 INFO L168 Benchmark]: Boogie Procedure Inliner took 98.80 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.4 MB). Free memory was 940.1 MB in the beginning and 1.1 GB in the end (delta: -187.1 MB). Peak memory consumption was 9.7 MB. Max. memory is 11.5 GB. [2020-07-28 17:18:50,459 INFO L168 Benchmark]: Boogie Preprocessor took 30.25 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. [2020-07-28 17:18:50,460 INFO L168 Benchmark]: RCFGBuilder took 3567.03 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: 12.7 MB). Peak memory consumption was 12.7 MB. Max. memory is 11.5 GB. [2020-07-28 17:18:50,461 INFO L168 Benchmark]: TraceAbstraction took 40190.39 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: 51.4 MB). Peak memory consumption was 51.4 MB. Max. memory is 11.5 GB. [2020-07-28 17:18:50,462 INFO L168 Benchmark]: Witness Printer took 42.54 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. [2020-07-28 17:18:50,465 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - AssertionsEnabledResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 1.0 GB. Free memory is still 981.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 282.63 ms. Allocated memory is still 1.0 GB. Free memory was 950.8 MB in the beginning and 940.1 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 98.80 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.4 MB). Free memory was 940.1 MB in the beginning and 1.1 GB in the end (delta: -187.1 MB). Peak memory consumption was 9.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 30.25 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 3567.03 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: 12.7 MB). Peak memory consumption was 12.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 40190.39 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: 51.4 MB). Peak memory consumption was 51.4 MB. Max. memory is 11.5 GB. * Witness Printer took 42.54 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: 17]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L9] float IN = __VERIFIER_nondet_float(); [L4] COND FALSE !(!cond) [L12] float x = IN; [L14] float result = x - (x*x*x)/6.0f + (x*x*x*x*x)/120.0f + (x*x*x*x*x*x*x)/5040.0f; [L16] COND TRUE !(result <= 0.99 && result >= -0.99) [L17] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 11 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 40.1s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 7.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 10 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 10 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=11occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 4.5s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 12 NumberOfCodeBlocks, 12 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 50 SizeOfPredicates, 0 NumberOfNonLiveVariables, 11 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...